chore: Update package-lock.json

chore: `**/tests/` niet in docker container

backend/Dockerfile

@@ -1,3 +1,5 @@
+#syntax=docker/dockerfile:1.7-labs
+
 FROM node:22 AS build-stage
 
 WORKDIR /app/dwengo
@@ -17,7 +19,7 @@ RUN npm install --silent
 # Root tsconfig.json
 COPY tsconfig.json tsconfig.build.json ./
 
-COPY backend ./backend
+COPY --exclude=backend/tests/ backend ./backend
 COPY common ./common
 COPY docs ./docs
 

backend/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@dwengo-1/backend",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "description": "Backend for Dwengo-1",
     "private": true,
     "type": "module",

backend/src/controllers/assignments.ts

@@ -11,8 +11,7 @@ import {
 import { AssignmentDTO } from '@dwengo-1/common/interfaces/assignment';
 import { requireFields } from './error-helper.js';
 import { BadRequestException } from '../exceptions/bad-request-exception.js';
-import { Assignment } from '../entities/assignments/assignment.entity.js';
-import { EntityDTO } from '@mikro-orm/core';
+import { FALLBACK_LANG } from '../config.js';
 
 function getAssignmentParams(req: Request): { classid: string; assignmentNumber: number; full: boolean } {
     const classid = req.params.classid;
@@ -38,14 +37,19 @@ export async function getAllAssignmentsHandler(req: Request, res: Response): Pro
 
 export async function createAssignmentHandler(req: Request, res: Response): Promise<void> {
     const classid = req.params.classid;
-    const description = req.body.description;
-    const language = req.body.language;
-    const learningPath = req.body.learningPath;
+    const description = req.body.description || '';
+    const language = req.body.language || FALLBACK_LANG;
+    const learningPath = req.body.learningPath || '';
     const title = req.body.title;
 
-    requireFields({ description, language, learningPath, title });
+    requireFields({ title });
 
-    const assignmentData = req.body as AssignmentDTO;
+    const assignmentData = {
+        description: description,
+        language: language,
+        learningPath: learningPath,
+        title: title,
+    } as AssignmentDTO;
     const assignment = await createAssignment(classid, assignmentData);
 
     res.json({ assignment });
@@ -62,7 +66,7 @@ export async function getAssignmentHandler(req: Request, res: Response): Promise
 export async function putAssignmentHandler(req: Request, res: Response): Promise<void> {
     const { classid, assignmentNumber } = getAssignmentParams(req);
 
-    const assignmentData = req.body as Partial<EntityDTO<Assignment>>;
+    const assignmentData = req.body as Partial<AssignmentDTO>;
     const assignment = await putAssignment(classid, assignmentNumber, assignmentData);
 
     res.json({ assignment });

backend/src/controllers/learning-paths.ts

@@ -1,4 +1,4 @@
-import { Request, Response } from 'express';
+import { Response } from 'express';
 import { themes } from '../data/themes.js';
 import { FALLBACK_LANG } from '../config.js';
 import learningPathService from '../services/learning-paths/learning-path-service.js';
@@ -15,7 +15,7 @@ import { requireFields } from './error-helper.js';
 /**
  * Fetch learning paths based on query parameters.
  */
-export async function getLearningPaths(req: Request, res: Response): Promise<void> {
+export async function getLearningPaths(req: AuthenticatedRequest, res: Response): Promise<void> {
     const admin = req.query.admin;
     if (admin) {
         const paths = await learningPathService.getLearningPathsAdministratedBy(admin as string);
@@ -59,6 +59,19 @@ export async function getLearningPaths(req: Request, res: Response): Promise<voi
             return;
         } else {
             hruidList = themes.flatMap((theme) => theme.hruids);
+
+            const apiLearningPathResponse = await learningPathService.fetchLearningPaths(hruidList, language as Language, 'All themes', forGroup);
+            const apiLearningPaths: LearningPath[] = apiLearningPathResponse.data || [];
+            let allLearningPaths: LearningPath[] = apiLearningPaths;
+
+            if (req.auth) {
+                const adminUsername = req.auth.username;
+                const userLearningPaths = (await learningPathService.getLearningPathsAdministratedBy(adminUsername)) || [];
+                allLearningPaths = apiLearningPaths.concat(userLearningPaths);
+            }
+
+            res.json(allLearningPaths);
+            return;
         }
 
         const learningPaths = await learningPathService.fetchLearningPaths(

backend/src/controllers/teachers.ts

@@ -7,6 +7,7 @@ import {
     getJoinRequestsByClass,
     getStudentsByTeacher,
     getTeacher,
+    getTeacherAssignments,
     updateClassJoinRequestStatus,
 } from '../services/teachers.js';
 import { requireFields } from './error-helper.js';
@@ -59,6 +60,16 @@ export async function getTeacherClassHandler(req: Request, res: Response): Promi
     res.json({ classes });
 }
 
+export async function getTeacherAssignmentsHandler(req: Request, res: Response): Promise<void> {
+    const username = req.params.username;
+    const full = req.query.full === 'true';
+    requireFields({ username });
+
+    const assignments = await getTeacherAssignments(username, full);
+
+    res.json({ assignments });
+}
+
 export async function getTeacherStudentHandler(req: Request, res: Response): Promise<void> {
     const username = req.params.username;
     const full = req.query.full === 'true';

backend/src/data/assignments/assignment-repository.ts

@@ -7,7 +7,7 @@ export class AssignmentRepository extends DwengoEntityRepository<Assignment> {
         return this.findOne({ within: within, id: id }, { populate: ['groups', 'groups.members'] });
     }
     public async findByClassIdAndAssignmentId(withinClass: string, id: number): Promise<Assignment | null> {
-        return this.findOne({ within: { classId: withinClass }, id: id });
+        return this.findOne({ within: { classId: withinClass }, id: id }, { populate: ['groups', 'groups.members'] });
     }
     public async findAllByResponsibleTeacher(teacherUsername: string): Promise<Assignment[]> {
         return this.findAll({
@@ -20,6 +20,7 @@ export class AssignmentRepository extends DwengoEntityRepository<Assignment> {
                     },
                 },
             },
+            populate: ['groups', 'groups.members'],
         });
     }
     public async findAllAssignmentsInClass(within: Class): Promise<Assignment[]> {

backend/src/data/assignments/group-repository.ts

@@ -28,4 +28,9 @@ export class GroupRepository extends DwengoEntityRepository<Group> {
             groupNumber: groupNumber,
         });
     }
+    public async deleteAllByAssignment(assignment: Assignment): Promise<void> {
+        return this.deleteAllWhere({
+            assignment: assignment,
+        });
+    }
 }

backend/src/data/content/learning-path-repository.ts

@@ -7,14 +7,20 @@ import { LearningPathTransition } from '../../entities/content/learning-path-tra
 
 export class LearningPathRepository extends DwengoEntityRepository<LearningPath> {
     public async findByHruidAndLanguage(hruid: string, language: Language): Promise<LearningPath | null> {
-        return this.findOne({ hruid: hruid, language: language }, { populate: ['nodes', 'nodes.transitions', 'admins'] });
+        return this.findOne(
+            {
+                hruid: hruid,
+                language: language,
+            },
+            { populate: ['nodes', 'nodes.transitions', 'admins'] }
+        );
     }
 
     /**
      * Returns all learning paths which have the given language and whose title OR description contains the
      * query string.
      *
-     * @param query The query string we want to seach for in the title or description.
+     * @param query The query string we want to search for in the title or description.
      * @param language The language of the learning paths we want to find.
      */
     public async findByQueryStringAndLanguage(query: string, language: Language): Promise<LearningPath[]> {

backend/src/data/dwengo-entity-repository.ts

@@ -1,12 +1,25 @@
-import { EntityRepository, FilterQuery } from '@mikro-orm/core';
+import { EntityRepository, FilterQuery, SyntaxErrorException } from '@mikro-orm/core';
 import { EntityAlreadyExistsException } from '../exceptions/entity-already-exists-exception.js';
+import { getLogger } from '../logging/initalize.js';
 
 export abstract class DwengoEntityRepository<T extends object> extends EntityRepository<T> {
     public async save(entity: T, options?: { preventOverwrite?: boolean }): Promise<void> {
         if (options?.preventOverwrite && (await this.findOne(entity))) {
             throw new EntityAlreadyExistsException(`A ${this.getEntityName()} with this identifier already exists.`);
         }
-        await this.getEntityManager().persistAndFlush(entity);
+        try {
+            await this.getEntityManager().persistAndFlush(entity);
+        } catch (e: unknown) {
+            // Workaround for MikroORM bug: Sometimes, queries are generated with random syntax errors.
+            // The faulty query is then retried everytime something is persisted. By clearing the entity
+            // Manager in that case, we make sure that future queries will work.
+            if (e instanceof SyntaxErrorException) {
+                getLogger().error('SyntaxErrorException caught => entity manager cleared.');
+                this.em.clear();
+            } else {
+                throw e;
+            }
+        }
     }
     public async deleteWhere(query: FilterQuery<T>): Promise<void> {
         const toDelete = await this.findOne(query);
@@ -16,4 +29,13 @@ export abstract class DwengoEntityRepository<T extends object> extends EntityRep
             await em.flush();
         }
     }
+    public async deleteAllWhere(query: FilterQuery<T>): Promise<void> {
+        const toDelete = await this.find(query);
+        const em = this.getEntityManager();
+
+        if (toDelete) {
+            em.remove(toDelete);
+            await em.flush();
+        }
+    }
 }

backend/src/data/questions/question-repository.ts

@@ -18,13 +18,9 @@ export class QuestionRepository extends DwengoEntityRepository<Question> {
             content: question.content,
             timestamp: new Date(),
         });
-        questionEntity.learningObjectHruid = question.loId.hruid;
-        questionEntity.learningObjectLanguage = question.loId.language;
-        questionEntity.learningObjectVersion = question.loId.version;
-        questionEntity.author = question.author;
-        questionEntity.inGroup = question.inGroup;
-        questionEntity.content = question.content;
-        return await this.insert(questionEntity);
+        // Don't check for overwrite since this is impossible anyway due to autoincrement.
+        await this.save(questionEntity, { preventOverwrite: false });
+        return questionEntity;
     }
     public async findAllQuestionsAboutLearningObject(loId: LearningObjectIdentifier): Promise<Question[]> {
         return this.findAll({

backend/src/entities/questions/question.entity.ts

@@ -6,6 +6,9 @@ import { Group } from '../assignments/group.entity.js';
 
 @Entity({ repository: () => QuestionRepository })
 export class Question {
+    @PrimaryKey({ type: 'integer', autoincrement: true })
+    sequenceNumber?: number;
+
     @PrimaryKey({ type: 'string' })
     learningObjectHruid!: string;
 
@@ -18,9 +21,6 @@ export class Question {
     @PrimaryKey({ type: 'number' })
     learningObjectVersion = 1;
 
-    @PrimaryKey({ type: 'integer', autoincrement: true })
-    sequenceNumber?: number;
-
     @ManyToOne({ entity: () => Group })
     inGroup!: Group;
 

backend/src/interfaces/assignment.ts

@@ -20,7 +20,7 @@ export function mapToAssignmentDTO(assignment: Assignment): AssignmentDTO {
         description: assignment.description,
         learningPath: assignment.learningPathHruid,
         language: assignment.learningPathLanguage,
-        deadline: assignment.deadline ?? new Date(),
+        deadline: assignment.deadline ?? null,
         groups: assignment.groups.map((group) => mapToGroupDTO(group, assignment.within)),
     };
 }

backend/src/middleware/auth/checks/submission-checks.ts

@@ -7,10 +7,16 @@ import { authorize } from './auth-checks.js';
 import { FALLBACK_LANG } from '../../../config.js';
 import { mapToUsername } from '../../../interfaces/user.js';
 import { AccountType } from '@dwengo-1/common/util/account-types';
+import { fetchClass } from '../../../services/classes.js';
+import { fetchGroup } from '../../../services/groups.js';
+import { requireFields } from '../../../controllers/error-helper.js';
+import { SubmissionDTO } from '@dwengo-1/common/interfaces/submission';
 
-export const onlyAllowSubmitter = authorize(
-    (auth: AuthenticationInfo, req: AuthenticatedRequest) => (req.body as { submitter: string }).submitter === auth.username
-);
+export const onlyAllowSubmitter = authorize((auth: AuthenticationInfo, req: AuthenticatedRequest) => {
+    const submittedFor = (req.body as SubmissionDTO).submitter.username;
+    const submittedBy = auth.username;
+    return submittedFor === submittedBy;
+});
 
 export const onlyAllowIfHasAccessToSubmission = authorize(async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
     const { hruid: lohruid, id: submissionNumber } = req.params;
@@ -26,3 +32,17 @@ export const onlyAllowIfHasAccessToSubmission = authorize(async (auth: Authentic
 
     return submission.onBehalfOf.members.map(mapToUsername).includes(auth.username);
 });
+
+export const onlyAllowIfHasAccessToSubmissionFromParams = authorize(async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
+    const { classId, assignmentId, forGroup } = req.query;
+
+    requireFields({ classId, assignmentId, forGroup });
+
+    if (auth.accountType === AccountType.Teacher) {
+        const cls = await fetchClass(classId as string);
+        return cls.teachers.map(mapToUsername).includes(auth.username);
+    }
+
+    const group = await fetchGroup(classId as string, Number(assignmentId as string), Number(forGroup as string));
+    return group.members.map(mapToUsername).includes(auth.username);
+});

backend/src/routes/submissions.ts

@@ -1,10 +1,14 @@
 import express from 'express';
 import { createSubmissionHandler, deleteSubmissionHandler, getSubmissionHandler, getSubmissionsHandler } from '../controllers/submissions.js';
-import { onlyAllowIfHasAccessToSubmission, onlyAllowSubmitter } from '../middleware/auth/checks/submission-checks.js';
-import { adminOnly, studentsOnly } from '../middleware/auth/checks/auth-checks.js';
+import {
+    onlyAllowIfHasAccessToSubmission,
+    onlyAllowIfHasAccessToSubmissionFromParams,
+    onlyAllowSubmitter,
+} from '../middleware/auth/checks/submission-checks.js';
+import { studentsOnly } from '../middleware/auth/checks/auth-checks.js';
 const router = express.Router({ mergeParams: true });
 
-router.get('/', adminOnly, getSubmissionsHandler);
+router.get('/', onlyAllowIfHasAccessToSubmissionFromParams, getSubmissionsHandler);
 
 router.post('/', studentsOnly, onlyAllowSubmitter, createSubmissionHandler);
 

backend/src/routes/teachers.ts

@@ -4,6 +4,7 @@ import {
     deleteTeacherHandler,
     getAllTeachersHandler,
     getStudentJoinRequestHandler,
+    getTeacherAssignmentsHandler,
     getTeacherClassHandler,
     getTeacherHandler,
     getTeacherStudentHandler,
@@ -28,6 +29,8 @@ router.get('/:username/classes', preventImpersonation, getTeacherClassHandler);
 
 router.get('/:username/students', preventImpersonation, getTeacherStudentHandler);
 
+router.get(`/:username/assignments`, getTeacherAssignmentsHandler);
+
 router.get('/:username/joinRequests/:classId', onlyAllowTeacherOfClass, getStudentJoinRequestHandler);
 
 router.put('/:username/joinRequests/:classId/:studentUsername', onlyAllowTeacherOfClass, updateStudentJoinRequestHandler);

backend/src/services/assignments.ts

@@ -14,10 +14,13 @@ import { mapToSubmissionDTO, mapToSubmissionDTOId } from '../interfaces/submissi
 import { fetchClass } from './classes.js';
 import { QuestionDTO, QuestionId } from '@dwengo-1/common/interfaces/question';
 import { SubmissionDTO, SubmissionDTOId } from '@dwengo-1/common/interfaces/submission';
-import { EntityDTO } from '@mikro-orm/core';
+import { EntityDTO, ForeignKeyConstraintViolationException } from '@mikro-orm/core';
 import { putObject } from './service-helper.js';
 import { fetchStudents } from './students.js';
 import { ServerErrorException } from '../exceptions/server-error-exception.js';
+import { BadRequestException } from '../exceptions/bad-request-exception.js';
+import { ConflictException } from '../exceptions/conflict-exception.js';
+import { PostgreSqlExceptionConverter } from '@mikro-orm/postgresql';
 
 export async function fetchAssignment(classid: string, assignmentNumber: number): Promise<Assignment> {
     const classRepository = getClassRepository();
@@ -59,7 +62,7 @@ export async function createAssignment(classid: string, assignmentData: Assignme
 
     if (assignmentData.groups) {
         /*
-        For some reason when trying to add groups, it does not work when using the original assignment variable. 
+        For some reason when trying to add groups, it does not work when using the original assignment variable.
         The assignment needs to be refetched in order for it to work.
         */
 
@@ -93,10 +96,45 @@ export async function getAssignment(classid: string, id: number): Promise<Assign
     return mapToAssignmentDTO(assignment);
 }
 
-export async function putAssignment(classid: string, id: number, assignmentData: Partial<EntityDTO<Assignment>>): Promise<AssignmentDTO> {
+function hasDuplicates(arr: string[]): boolean {
+    return new Set(arr).size !== arr.length;
+}
+
+export async function putAssignment(classid: string, id: number, assignmentData: Partial<AssignmentDTO>): Promise<AssignmentDTO> {
     const assignment = await fetchAssignment(classid, id);
 
-    await putObject<Assignment>(assignment, assignmentData, getAssignmentRepository());
+    if (assignmentData.groups) {
+        if (hasDuplicates(assignmentData.groups.flat() as string[])) {
+            throw new BadRequestException('Student can only be in one group');
+        }
+
+        const studentLists = await Promise.all((assignmentData.groups as string[][]).map(async (group) => await fetchStudents(group)));
+
+        try {
+            const groupRepository = getGroupRepository();
+            await groupRepository.deleteAllByAssignment(assignment);
+
+            await Promise.all(
+                studentLists.map(async (students) => {
+                    const newGroup = groupRepository.create({
+                        assignment: assignment,
+                        members: students,
+                    });
+                    await groupRepository.save(newGroup);
+                })
+            );
+        } catch (e: unknown) {
+            if (e instanceof ForeignKeyConstraintViolationException || e instanceof PostgreSqlExceptionConverter) {
+                throw new ConflictException('Cannot update assigment with questions or submissions');
+            } else {
+                throw e;
+            }
+        }
+
+        delete assignmentData.groups;
+    }
+
+    await putObject<Assignment>(assignment, assignmentData as Partial<EntityDTO<Assignment>>, getAssignmentRepository());
 
     return mapToAssignmentDTO(assignment);
 }
@@ -106,7 +144,16 @@ export async function deleteAssignment(classid: string, id: number): Promise<Ass
     const cls = await fetchClass(classid);
 
     const assignmentRepository = getAssignmentRepository();
-    await assignmentRepository.deleteByClassAndId(cls, id);
+
+    try {
+        await assignmentRepository.deleteByClassAndId(cls, id);
+    } catch (e: unknown) {
+        if (e instanceof ForeignKeyConstraintViolationException || e instanceof PostgreSqlExceptionConverter) {
+            throw new ConflictException('Cannot delete assigment with questions or submissions');
+        } else {
+            throw e;
+        }
+    }
 
     return mapToAssignmentDTO(assignment);
 }

backend/src/services/learning-paths/database-learning-path-provider.ts

@@ -70,6 +70,8 @@ async function convertLearningPath(learningPath: LearningPathEntity, order: numb
     // Convert the learning object notes as retrieved from the database into the expected response format-
     const convertedNodes = await convertNodes(nodesToLearningObjects, personalizedFor);
 
+    const nodesActuallyOnPath = traverseLearningPath(convertedNodes);
+
     return {
         _id: `${learningPath.hruid}/${learningPath.language}`, // For backwards compatibility with the original Dwengo API.
         __order: order,
@@ -79,8 +81,8 @@ async function convertLearningPath(learningPath: LearningPathEntity, order: numb
         image: image,
         title: learningPath.title,
         nodes: convertedNodes,
-        num_nodes: learningPath.nodes.length,
-        num_nodes_left: convertedNodes.filter((it) => !it.done).length,
+        num_nodes: nodesActuallyOnPath.length,
+        num_nodes_left: nodesActuallyOnPath.filter((it) => !it.done).length,
         keywords: keywords.join(' '),
         target_ages: targetAges,
         max_age: Math.max(...targetAges),
@@ -180,7 +182,6 @@ function convertTransition(
         return {
             _id: String(index), // Retained for backwards compatibility. The index uniquely identifies the transition within the learning path.
             default: false, // We don't work with default transitions but retain this for backwards compatibility.
-            condition: transition.condition,
             next: {
                 _id: nextNode._id ? nextNode._id + index : v4(), // Construct a unique ID for the transition for backwards compatibility.
                 hruid: transition.next.learningObjectHruid,
@@ -191,6 +192,29 @@ function convertTransition(
     }
 }
 
+/**
+ * Start from the start node and then always take the first transition until there are no transitions anymore.
+ * Returns the traversed nodes as an array. (This effectively filters outs nodes that cannot be reached.)
+ */
+function traverseLearningPath(nodes: LearningObjectNode[]): LearningObjectNode[] {
+    const traversedNodes: LearningObjectNode[] = [];
+    let currentNode = nodes.find((it) => it.start_node);
+
+    while (currentNode) {
+        traversedNodes.push(currentNode);
+
+        const next = currentNode.transitions[0]?.next;
+
+        if (next) {
+            currentNode = nodes.find((it) => it.learningobject_hruid === next.hruid && it.language === next.language && it.version === next.version);
+        } else {
+            currentNode = undefined;
+        }
+    }
+
+    return traversedNodes;
+}
+
 /**
  * Service providing access to data about learning paths from the database.
  */

backend/src/services/learning-paths/dwengo-api-learning-path-provider.ts

@@ -62,6 +62,7 @@ const dwengoApiLearningPathProvider: LearningPathProvider = {
             data: learningPaths,
         };
     },
+
     async searchLearningPaths(query: string, language: string, personalizedFor: Group): Promise<LearningPath[]> {
         const apiUrl = `${DWENGO_API_BASE}/learningPath/search`;
         const params = { all: query, language };
@@ -75,7 +76,8 @@ const dwengoApiLearningPathProvider: LearningPathProvider = {
     },
 
     async getLearningPathsAdministratedBy(_adminUsername: string) {
-        return []; // Learning paths fetched from the Dwengo API cannot be administrated by a user.
+        // Dwengo API does not have the concept of admins, so we cannot filter by them.
+        return [];
     },
 };
 

backend/src/services/students.ts

@@ -10,7 +10,7 @@ import { mapToClassDTO } from '../interfaces/class.js';
 import { mapToGroupDTO, mapToGroupDTOId } from '../interfaces/group.js';
 import { mapToStudent, mapToStudentDTO } from '../interfaces/student.js';
 import { mapToSubmissionDTO, mapToSubmissionDTOId } from '../interfaces/submission.js';
-import { getAllAssignments } from './assignments.js';
+import { fetchAssignment } from './assignments.js';
 import { mapToQuestionDTO, mapToQuestionDTOId } from '../interfaces/question.js';
 import { mapToStudentRequest, mapToStudentRequestDTO } from '../interfaces/student-request.js';
 import { Student } from '../entities/users/student.entity.js';
@@ -26,6 +26,7 @@ import { ClassJoinRequestDTO } from '@dwengo-1/common/interfaces/class-join-requ
 import { ConflictException } from '../exceptions/conflict-exception.js';
 import { Submission } from '../entities/assignments/submission.entity.js';
 import { mapToUsername } from '../interfaces/user.js';
+import { mapToAssignmentDTO, mapToAssignmentDTOId } from '../interfaces/assignment.js';
 
 export async function getAllStudents(full: boolean): Promise<StudentDTO[] | string[]> {
     const studentRepository = getStudentRepository();
@@ -50,8 +51,7 @@ export async function fetchStudent(username: string): Promise<Student> {
 }
 
 export async function fetchStudents(usernames: string[]): Promise<Student[]> {
-    const members = await Promise.all(usernames.map(async (username) => await fetchStudent(username)));
-    return members;
+    return await Promise.all(usernames.map(async (username) => await fetchStudent(username)));
 }
 
 export async function getStudent(username: string): Promise<StudentDTO> {
@@ -102,10 +102,14 @@ export async function getStudentClasses(username: string, full: boolean): Promis
 export async function getStudentAssignments(username: string, full: boolean): Promise<AssignmentDTO[] | AssignmentDTOId[]> {
     const student = await fetchStudent(username);
 
-    const classRepository = getClassRepository();
-    const classes = await classRepository.findByStudent(student);
+    const groupRepository = getGroupRepository();
+    const groups = await groupRepository.findAllGroupsWithStudent(student);
+    const assignments = await Promise.all(groups.map(async (group) => await fetchAssignment(group.assignment.within.classId!, group.assignment.id!)));
 
-    return (await Promise.all(classes.map(async (cls) => await getAllAssignments(cls.classId!, full)))).flat();
+    if (full) {
+        return assignments.map(mapToAssignmentDTO);
+    }
+    return assignments.map(mapToAssignmentDTOId);
 }
 
 export async function getStudentGroups(username: string, full: boolean): Promise<GroupDTO[] | GroupDTOId[]> {

backend/src/services/submissions.ts

@@ -1,12 +1,13 @@
-import { getAssignmentRepository, getGroupRepository, getSubmissionRepository } from '../data/repositories.js';
+import { getSubmissionRepository } from '../data/repositories.js';
 import { LearningObjectIdentifier } from '../entities/content/learning-object-identifier.js';
 import { NotFoundException } from '../exceptions/not-found-exception.js';
 import { mapToSubmission, mapToSubmissionDTO } from '../interfaces/submission.js';
 import { SubmissionDTO } from '@dwengo-1/common/interfaces/submission';
 import { fetchStudent } from './students.js';
-import { getExistingGroupFromGroupDTO } from './groups.js';
+import { fetchGroup, getExistingGroupFromGroupDTO } from './groups.js';
 import { Submission } from '../entities/assignments/submission.entity.js';
 import { Language } from '@dwengo-1/common/util/language';
+import { fetchAssignment } from './assignments.js';
 
 export async function fetchSubmission(loId: LearningObjectIdentifier, submissionNumber: number): Promise<Submission> {
     const submissionRepository = getSubmissionRepository();
@@ -64,15 +65,18 @@ export async function getSubmissionsForLearningObjectAndAssignment(
     groupId?: number
 ): Promise<SubmissionDTO[]> {
     const loId = new LearningObjectIdentifier(learningObjectHruid, language, version);
-    const assignment = await getAssignmentRepository().findByClassIdAndAssignmentId(classId, assignmentId);
 
-    let submissions: Submission[];
-    if (groupId !== undefined) {
-        const group = await getGroupRepository().findByAssignmentAndGroupNumber(assignment!, groupId);
-        submissions = await getSubmissionRepository().findAllSubmissionsForLearningObjectAndGroup(loId, group!);
-    } else {
-        submissions = await getSubmissionRepository().findAllSubmissionsForLearningObjectAndAssignment(loId, assignment!);
+    try {
+        let submissions: Submission[];
+        if (groupId !== undefined) {
+            const group = await fetchGroup(classId, assignmentId, groupId);
+            submissions = await getSubmissionRepository().findAllSubmissionsForLearningObjectAndGroup(loId, group);
+        } else {
+            const assignment = await fetchAssignment(classId, assignmentId);
+            submissions = await getSubmissionRepository().findAllSubmissionsForLearningObjectAndAssignment(loId, assignment);
+        }
+        return submissions.map((s) => mapToSubmissionDTO(s));
+    } catch (_) {
+        return [];
     }
-
-    return submissions.map((s) => mapToSubmissionDTO(s));
 }

backend/src/services/teachers.ts

@@ -1,4 +1,4 @@
-import { getClassJoinRequestRepository, getClassRepository, getTeacherRepository } from '../data/repositories.js';
+import { getAssignmentRepository, getClassJoinRequestRepository, getClassRepository, getTeacherRepository } from '../data/repositories.js';
 import { mapToClassDTO } from '../interfaces/class.js';
 import { mapToTeacher, mapToTeacherDTO } from '../interfaces/teacher.js';
 import { Teacher } from '../entities/users/teacher.entity.js';
@@ -18,6 +18,8 @@ import { StudentDTO } from '@dwengo-1/common/interfaces/student';
 import { ClassJoinRequestDTO } from '@dwengo-1/common/interfaces/class-join-request';
 import { ClassStatus } from '@dwengo-1/common/util/class-join-request';
 import { ConflictException } from '../exceptions/conflict-exception.js';
+import { AssignmentDTO, AssignmentDTOId } from '@dwengo-1/common/interfaces/assignment';
+import { mapToAssignmentDTO, mapToAssignmentDTOId } from '../interfaces/assignment.js';
 import { mapToUsername } from '../interfaces/user.js';
 
 export async function getAllTeachers(full: boolean): Promise<TeacherDTO[] | string[]> {
@@ -91,6 +93,17 @@ export async function getClassesByTeacher(username: string, full: boolean): Prom
     return classes.map((cls) => cls.id);
 }
 
+export async function getTeacherAssignments(username: string, full: boolean): Promise<AssignmentDTO[] | AssignmentDTOId[]> {
+    const assignmentRepository = getAssignmentRepository();
+    const assignments = await assignmentRepository.findAllByResponsibleTeacher(username);
+
+    if (full) {
+        return assignments.map(mapToAssignmentDTO);
+    }
+
+    return assignments.map(mapToAssignmentDTOId);
+}
+
 export async function getStudentsByTeacher(username: string, full: boolean): Promise<StudentDTO[] | string[]> {
     const classes: ClassDTO[] = await fetchClassesByTeacher(username);
 

backend/tests/controllers/students.test.ts

@@ -14,6 +14,7 @@ import {
     getStudentRequestsHandler,
     deleteClassJoinRequestHandler,
     getStudentRequestHandler,
+    getStudentAssignmentsHandler,
 } from '../../src/controllers/students.js';
 import { getDireStraits, getNoordkaap, getTheDoors, TEST_STUDENTS } from '../test_assets/users/students.testdata.js';
 import { NotFoundException } from '../../src/exceptions/not-found-exception.js';
@@ -150,6 +151,19 @@ describe('Student controllers', () => {
         expect(result.groups).to.have.length.greaterThan(0);
     });
 
+    it('Student assignments', async () => {
+        const group = getTestGroup01();
+        const member = group.members[0];
+        req = { params: { username: member.username }, query: {} };
+
+        await getStudentAssignmentsHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ assignments: expect.anything() }));
+
+        const result = jsonMock.mock.lastCall?.[0];
+        expect(result.assignments).to.have.length.greaterThan(0);
+    });
+
     it('Student submissions', async () => {
         const submission = getSubmission01();
         req = { params: { username: submission.submitter.username }, query: { full: 'true' } };

backend/tests/services/learning-path/database-learning-path-provider.test.ts

@@ -14,11 +14,14 @@ import {
     testLearningObjectEssayQuestion,
     testLearningObjectMultipleChoice,
 } from '../../test_assets/content/learning-objects.testdata';
-import { testLearningPathWithConditions } from '../../test_assets/content/learning-paths.testdata';
+import { testLearningPath02, testLearningPathWithConditions } from '../../test_assets/content/learning-paths.testdata';
 import { mapToLearningPath } from '../../../src/services/learning-paths/learning-path-service';
 import { getTestGroup01, getTestGroup02 } from '../../test_assets/assignments/groups.testdata';
 import { Group } from '../../../src/entities/assignments/group.entity.js';
+import { Teacher } from '../../../src/entities/users/teacher.entity.js';
 import { RequiredEntityData } from '@mikro-orm/core';
+import { getFooFighters, getLimpBizkit } from '../../test_assets/users/teachers.testdata';
+import { mapToTeacherDTO } from '../../../src/interfaces/teacher';
 
 function expectBranchingObjectNode(result: LearningPathResponse): LearningObjectNode {
     const branchingObjectMatches = result.data![0].nodes.filter((it) => it.learningobject_hruid === testLearningObjectMultipleChoice.hruid);
@@ -33,6 +36,8 @@ describe('DatabaseLearningPathProvider', () => {
     let finalLearningObject: RequiredEntityData<LearningObject>;
     let groupA: Group;
     let groupB: Group;
+    let teacherA: Teacher;
+    let teacherB: Teacher;
 
     beforeAll(async () => {
         await setupTestApp();
@@ -42,6 +47,8 @@ describe('DatabaseLearningPathProvider', () => {
         finalLearningObject = testLearningObjectEssayQuestion;
         groupA = getTestGroup01();
         groupB = getTestGroup02();
+        teacherA = getFooFighters();
+        teacherB = getLimpBizkit();
 
         // Place different submissions for group A and B.
         const submissionRepo = getSubmissionRepository();
@@ -140,4 +147,18 @@ describe('DatabaseLearningPathProvider', () => {
             expect(result.length).toBe(0);
         });
     });
+
+    describe('getLearningPathsAdministratedBy', () => {
+        it('returns the learning path owned by the admin', async () => {
+            const expectedLearningPath = mapToLearningPath(testLearningPath02, [mapToTeacherDTO(teacherB)]);
+            const result = await databaseLearningPathProvider.getLearningPathsAdministratedBy([teacherB], expectedLearningPath.language);
+            expect(result.length).toBe(1);
+            expect(result[0].title).toBe(expectedLearningPath.title);
+            expect(result[0].description).toBe(expectedLearningPath.description);
+        });
+        it('returns an empty result when querying admins that do not have custom learning paths', async () => {
+            const result = await databaseLearningPathProvider.getLearningPathsAdministratedBy([teacherA], testLearningPath.language);
+            expect(result.length).toBe(0);
+        });
+    });
 });

backend/tests/test_assets/assignments/groups.testdata.ts

@@ -51,7 +51,7 @@ export function makeTestGroups(em: EntityManager): Group[] {
      */
     group05 = em.create(Group, {
         assignment: getAssignment04(),
-        groupNumber: 21001,
+        groupNumber: 21006,
         members: [getNoordkaap(), getDireStraits()],
     });
 

backend/tests/test_assets/content/learning-paths.testdata.ts

@@ -14,10 +14,12 @@ import {
     testLearningObjectMultipleChoice,
     testLearningObjectPnNotebooks,
 } from './learning-objects.testdata';
+import { getLimpBizkit } from '../users/teachers.testdata';
 
 export function makeTestLearningPaths(_em: EntityManager): LearningPath[] {
     const learningPath01 = mapToLearningPath(testLearningPath01, []);
     const learningPath02 = mapToLearningPath(testLearningPath02, []);
+    learningPath02.admins = [getLimpBizkit()];
 
     const partiallyDatabasePartiallyDwengoApiLearningPath = mapToLearningPath(testPartiallyDatabaseAndPartiallyDwengoApiLearningPath, []);
     const learningPathWithConditions = mapToLearningPath(testLearningPathWithConditions, []);

backend/tool/seedORM.ts

@@ -5,8 +5,22 @@ import { makeTestTeachers } from '../tests/test_assets/users/teachers.testdata';
 import { makeTestLearningObjects } from '../tests/test_assets/content/learning-objects.testdata';
 import { makeTestLearningPaths } from '../tests/test_assets/content/learning-paths.testdata';
 import { makeTestClasses } from '../tests/test_assets/classes/classes.testdata';
-import { makeTestAssignemnts } from '../tests/test_assets/assignments/assignments.testdata';
-import { getTestGroup01, getTestGroup02, getTestGroup03, getTestGroup04, makeTestGroups } from '../tests/test_assets/assignments/groups.testdata';
+import {
+    getAssignment01,
+    getAssignment02,
+    getAssignment04,
+    getConditionalPathAssignment,
+    makeTestAssignemnts,
+} from '../tests/test_assets/assignments/assignments.testdata';
+import {
+    getGroup1ConditionalLearningPath,
+    getTestGroup01,
+    getTestGroup02,
+    getTestGroup03,
+    getTestGroup04,
+    getTestGroup05,
+    makeTestGroups,
+} from '../tests/test_assets/assignments/groups.testdata';
 import { Group } from '../src/entities/assignments/group.entity';
 import { makeTestTeacherInvitations } from '../tests/test_assets/classes/teacher-invitations.testdata';
 import { makeTestClassJoinRequests } from '../tests/test_assets/classes/class-join-requests.testdata';
@@ -36,8 +50,14 @@ export async function seedORM(orm: MikroORM): Promise<void> {
 
     const groups = makeTestGroups(em);
 
-    assignments[0].groups = new Collection<Group>([getTestGroup01(), getTestGroup02(), getTestGroup03()]);
-    assignments[1].groups = new Collection<Group>([getTestGroup04()]);
+    let assignment = getAssignment01();
+    assignment.groups = new Collection<Group>([getTestGroup01(), getTestGroup02(), getTestGroup03()]);
+    assignment = getAssignment02();
+    assignment.groups = new Collection<Group>([getTestGroup04()]);
+    assignment = getAssignment04();
+    assignment.groups = new Collection<Group>([getTestGroup05()]);
+    assignment = getConditionalPathAssignment();
+    assignment.groups = new Collection<Group>([getGroup1ConditionalLearningPath()]);
 
     const teacherInvitations = makeTestTeacherInvitations(em);
     const classJoinRequests = makeTestClassJoinRequests(em);

common/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@dwengo-1/common",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "description": "Common types and utilities for Dwengo-1",
     "private": true,
     "type": "module",

common/src/interfaces/assignment.ts

@@ -7,7 +7,7 @@ export interface AssignmentDTO {
     description: string;
     learningPath: string;
     language: string;
-    deadline: Date;
+    deadline: Date | null;
     groups: GroupDTO[] | string[][];
 }
 

common/src/util/match-mode.ts

@@ -0,0 +1,10 @@
+export enum MatchMode {
+    /**
+     * Match any
+     */
+    ANY = 'ANY',
+    /**
+     * Match all
+     */
+    ALL = 'ALL',
+}

compose.production.yml

@@ -60,7 +60,7 @@ services:
         extends:
             file: ./compose.yml
             service: idp
-        command: ['start', '--http-port', '7080', '--https-port', '7443', '--import-realm']
+        command: ['start', '--http-port', '7080', '--https-port', '7443']
         networks:
             - dwengo-1
         labels:

compose.yml

@@ -20,7 +20,7 @@ services:
         image: quay.io/keycloak/keycloak:latest
         ports:
             - '7080:7080'
-        #     - '7443:7443'
+        #    - '7443:7443'
         command: ['start-dev', '--http-port', '7080', '--https-port', '7443', '--import-realm']
         restart: unless-stopped
         volumes:

docs/api/generate.ts

@@ -2,7 +2,7 @@ import swaggerAutogen from 'swagger-autogen';
 
 const doc = {
     info: {
-        version: '0.1.0',
+        version: '1.0.0',
         title: 'Dwengo-1 Backend API',
         description: 'Dwengo-1 Backend API using Express, based on VZW Dwengo',
         license: {

docs/package.json

@@ -1,6 +1,6 @@
 {
     "name": "dwengo-1-docs",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "description": "Documentation for Dwengo-1",
     "private": true,
     "scripts": {

frontend/Dockerfile

@@ -1,3 +1,5 @@
+#syntax=docker/dockerfile:1.7-labs
+
 FROM node:22 AS build-stage
 
 # install simple http server for serving static content
@@ -26,7 +28,7 @@ RUN npm run build --workspace=common
 
 WORKDIR /app/dwengo/frontend
 
-COPY frontend ./
+COPY --exclude=frontend/tests/ frontend ./
 
 RUN npx vite build
 

frontend/package.json

@@ -1,6 +1,6 @@
 {
     "name": "dwengo-1-frontend",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "description": "Frontend for Dwengo-1",
     "private": true,
     "type": "module",
@@ -17,7 +17,6 @@
         "test:e2e": "playwright test"
     },
     "dependencies": {
-        "@dwengo-1/common": "^0.2.0",
         "@tanstack/react-query": "^5.69.0",
         "@tanstack/vue-query": "^5.69.0",
         "@vueuse/core": "^13.1.0",

frontend/src/assets/assignment.css

@@ -18,10 +18,19 @@
     font-size: 1.1rem;
 }
 
-.top-right-btn {
-    position: absolute;
-    right: 2%;
-    color: red;
+.top-buttons-wrapper {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 1rem;
+    position: relative;
+}
+
+.right-buttons {
+    display: flex;
+    gap: 0.5rem;
+    align-items: center;
+    color: #0e6942;
 }
 
 .group-section {

frontend/src/components/DiscussionSideBarElement.vue

@@ -0,0 +1,45 @@
+<script setup lang="ts">
+    import type { LearningObject } from "@/data-objects/learning-objects/learning-object";
+    import type { LearningPath } from "@/data-objects/learning-paths/learning-path";
+    import { useLearningObjectListForPathQuery } from "@/queries/learning-objects";
+    import { useRoute } from "vue-router";
+    import UsingQueryResult from "@/components/UsingQueryResult.vue";
+    import QuestionNotification from "@/components/QuestionNotification.vue";
+
+    const route = useRoute();
+
+    const props = defineProps<{
+        path: LearningPath;
+        activeObjectId: string;
+    }>();
+
+    const learningObjects = useLearningObjectListForPathQuery(props.path);
+</script>
+
+<template>
+    <using-query-result
+        :query-result="learningObjects"
+        v-slot="learningObjects: { data: LearningObject[] }"
+    >
+        <template
+            v-for="node in learningObjects.data"
+            :key="node.key"
+        >
+            <v-list-item
+                link
+                :to="{
+                    path: `/discussion-reload/${props.path.hruid}/${node.language}/${node.key}`,
+                    query: route.query,
+                }"
+                :title="node.title"
+                :active="node.key === props.activeObjectId"
+            >
+                <template v-slot:append>
+                    <QuestionNotification :node="node"></QuestionNotification>
+                </template>
+            </v-list-item>
+        </template>
+    </using-query-result>
+</template>
+
+<style scoped></style>

frontend/src/components/DiscussionsSideBar.vue

@@ -0,0 +1,93 @@
+<script setup lang="ts">
+    import type { LearningPath } from "@/data-objects/learning-paths/learning-path.ts";
+    import UsingQueryResult from "@/components/UsingQueryResult.vue";
+    import DiscussionSideBarElement from "@/components/DiscussionSideBarElement.vue";
+    import { useI18n } from "vue-i18n";
+    import { useGetAllLearningPaths } from "@/queries/learning-paths.ts";
+    import { ref, watch } from "vue";
+    import { useRoute } from "vue-router";
+
+    const { t, locale } = useI18n();
+    const route = useRoute();
+
+    const props = defineProps<{
+        learningObjectHruid: string;
+    }>();
+
+    const navigationDrawerShown = ref(true);
+    const currentLocale = ref(locale.value);
+    const expanded = ref([route.params.hruid]);
+
+    watch(locale, (newLocale) => {
+        currentLocale.value = newLocale;
+    });
+
+    const allLearningPathsResult = useGetAllLearningPaths(() => currentLocale.value);
+</script>
+
+<template>
+    <v-navigation-drawer
+        v-model="navigationDrawerShown"
+        :width="350"
+        app
+    >
+        <div class="d-flex flex-column h-100">
+            <v-list-item>
+                <template v-slot:title>
+                    <div class="title">{{ t("discussions") }}</div>
+                </template>
+            </v-list-item>
+            <v-divider></v-divider>
+            <div class="nav-scroll-area">
+                <v-expansion-panels v-model="expanded">
+                    <using-query-result
+                        :query-result="allLearningPathsResult"
+                        v-slot="learningPaths: { data: LearningPath[] }"
+                    >
+                        <v-expansion-panel
+                            v-for="learningPath in learningPaths.data"
+                            :key="learningPath.hruid"
+                            :value="learningPath.hruid"
+                        >
+                            <v-expansion-panel-title>
+                                {{ learningPath.title }}
+                            </v-expansion-panel-title>
+                            <v-expansion-panel-text>
+                                <v-lazy>
+                                    <DiscussionSideBarElement
+                                        :path="learningPath"
+                                        :activeObjectId="props.learningObjectHruid"
+                                    />
+                                </v-lazy>
+                            </v-expansion-panel-text>
+                        </v-expansion-panel>
+                    </using-query-result>
+                </v-expansion-panels>
+            </div>
+        </div>
+    </v-navigation-drawer>
+    <div class="control-bar-above-content">
+        <v-btn
+            :icon="navigationDrawerShown ? 'mdi-menu-open' : 'mdi-menu'"
+            class="navigation-drawer-toggle-button"
+            variant="plain"
+            @click="navigationDrawerShown = !navigationDrawerShown"
+        ></v-btn>
+    </div>
+</template>
+
+<style scoped>
+    .title {
+        color: #0e6942;
+        text-transform: uppercase;
+        font-weight: bolder;
+        padding-top: 2%;
+        font-size: 36px;
+    }
+
+    .nav-scroll-area {
+        overflow-y: auto;
+        flex-grow: 1;
+        min-height: 0;
+    }
+</style>

frontend/src/components/DwengoTable.vue

@@ -0,0 +1,52 @@
+<template>
+    <v-table class="table">
+        <thead>
+            <tr
+                v-for="name in columns"
+                :key="column"
+            >
+                <th class="header">{{ name }}</th>
+            </tr>
+        </thead>
+        <tbody>
+            <tr
+                v-for="([item1, item2, item3], index) in listItems"
+                :key="index"
+            >
+                <td></td>
+                <td>
+                    <v-btn
+                        :to="`/class/${c.id}`"
+                        variant="text"
+                    >
+                        {{ c.displayName }}
+                        <v-icon end> mdi-menu-right </v-icon>
+                    </v-btn>
+                </td>
+                <td>
+                    <span v-if="!isMdAndDown">{{ c.id }}</span>
+                    <span
+                        v-else
+                        style="cursor: pointer"
+                        @click="openCodeDialog(c.id)"
+                        ><v-icon icon="mdi-eye"></v-icon
+                    ></span>
+                </td>
+
+                <td>{{ c.students.length }}</td>
+            </tr>
+        </tbody>
+    </v-table>
+</template>
+
+<script>
+    export default {
+        name: "columnList",
+        props: {
+            items: {
+                type: Array,
+                required: true,
+            },
+        },
+    };
+</script>

frontend/src/components/GroupProgressRow.vue

@@ -0,0 +1,47 @@
+<script setup lang="ts">
+    import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
+    import { computed } from "vue";
+    import type { Language } from "@/data-objects/language.ts";
+    import { calculateProgress } from "@/utils/assignment-utils.ts";
+
+    const props = defineProps<{
+        groupNumber: number;
+        learningPath: string;
+        language: Language;
+        assignmentId: number;
+        classId: string;
+    }>();
+
+    const query = useGetLearningPathQuery(
+        () => props.learningPath,
+        () => props.language,
+        () => ({
+            forGroup: props.groupNumber,
+            assignmentNo: props.assignmentId,
+            classId: props.classId,
+        }),
+    );
+
+    const progress = computed(() => {
+        if (!query.data.value) return 0;
+        return calculateProgress(query.data.value);
+    });
+
+    const progressColor = computed(() => {
+        if (progress.value < 50) return "error";
+        if (progress.value < 80) return "warning";
+        return "success";
+    });
+</script>
+
+<template>
+    <v-progress-linear
+        :model-value="progress"
+        :color="progressColor"
+        height="25"
+    >
+        <template v-slot:default="{ value }">
+            <strong>{{ Math.ceil(value) }}%</strong>
+        </template>
+    </v-progress-linear>
+</template>

frontend/src/components/GroupSubmissionStatus.vue

@@ -0,0 +1,58 @@
+<script setup lang="ts">
+    import { useI18n } from "vue-i18n";
+    import UsingQueryResult from "@/components/UsingQueryResult.vue";
+    import type { SubmissionsResponse } from "@/controllers/submissions.ts";
+    import { ref, watch } from "vue";
+    import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
+
+    const props = defineProps<{
+        learningPathHruid: string;
+        language: string;
+        group: object;
+        assignmentId: number;
+        classId: string;
+        goToGroupSubmissionLink: (groupNo: number) => void;
+    }>();
+
+    const emit = defineEmits<(e: "update:hasSubmission", hasSubmission: boolean) => void>();
+
+    const { t } = useI18n();
+    const hasMadeProgress = ref(false);
+
+    const getLearningPathQuery = useGetLearningPathQuery(
+        () => props.learningPathHruid,
+        () => props.language,
+        () => ({
+            forGroup: props.group.originalGroupNo,
+            assignmentNo: props.assignmentId,
+            classId: props.classId,
+        }),
+    );
+
+    watch(
+        () => getLearningPathQuery.data.value,
+        (learningPath) => {
+            if (learningPath) {
+                hasMadeProgress.value = learningPath.amountOfNodes !== learningPath.amountOfNodesLeft;
+                emit("update:hasSubmission", hasMadeProgress.value);
+            }
+        },
+        { immediate: true },
+    );
+</script>
+
+<template>
+    <using-query-result
+        :query-result="getLearningPathQuery"
+        v-slot="{ data }: { data: SubmissionsResponse }"
+    >
+        <v-btn
+            :color="hasMadeProgress ? 'green' : 'red'"
+            variant="text"
+            :to="hasMadeProgress ? goToGroupSubmissionLink(props.group.originalGroupNo) : undefined"
+            :disabled="!hasMadeProgress"
+        >
+            {{ hasMadeProgress ? t("submission") : t("noSubmissionsYet") }}
+        </v-btn>
+    </using-query-result>
+</template>

frontend/src/components/MenuBar.vue

@@ -87,14 +87,13 @@
             >
                 {{ t("classes") }}
             </v-btn>
-            <!-- TODO Re-enable this button when the discussion page is ready -->
-            <!--            <v-btn-->
-            <!--                class="menu_item"-->
-            <!--                variant="text"-->
-            <!--                to="/user/discussion"-->
-            <!--            >-->
-            <!--                {{ t("discussions") }}-->
-            <!--            </v-btn>-->
+            <v-btn
+                class="menu_item"
+                variant="text"
+                to="/discussion"
+            >
+                {{ t("discussions") }}
+            </v-btn>
         </v-toolbar-items>
         <v-menu
             open-on-hover
@@ -149,7 +148,8 @@
             </template>
 
             <template v-slot:default="{ isActive }">
-                <v-card :title="t('logoutVerification')">
+                <v-card>
+                    <v-card-title class="logout-verification-title">{{ t("logoutVerification") }}</v-card-title>
                     <v-card-actions>
                         <v-spacer></v-spacer>
 
@@ -230,7 +230,7 @@
             </v-list-item>
 
             <v-list-item
-                to="/user/discussion"
+                to="/discussion"
                 link
             >
                 <v-list-item-title class="menu_item">{{ t("discussions") }}</v-list-item-title>
@@ -298,6 +298,13 @@
         margin-left: 10px;
     }
 
+    .logout-verification-title {
+        word-wrap: break-word;
+        overflow-wrap: break-word;
+        white-space: normal;
+        text-overflow: unset;
+    }
+
     @media (max-width: 700px) {
         .menu {
             display: none;

frontend/src/components/QandA.vue

@@ -1,6 +1,9 @@
 <script setup lang="ts">
     import type { QuestionDTO } from "@dwengo-1/common/interfaces/question";
     import SingleQuestion from "./SingleQuestion.vue";
+    import { useI18n } from "vue-i18n";
+
+    const { t } = useI18n();
 
     defineProps<{
         questions: QuestionDTO[];
@@ -8,13 +11,28 @@
 </script>
 <template>
     <div class="space-y-4">
-        <div
-            v-for="question in questions"
-            :key="(question.sequenceNumber, question.content)"
-            class="border rounded-2xl p-4 shadow-sm bg-white"
-        >
-            <SingleQuestion :question="question"></SingleQuestion>
+        <div v-if="questions.length != 0">
+            <div
+                v-for="question in questions"
+                :key="(question.sequenceNumber, question.content)"
+            >
+                <SingleQuestion :question="question"></SingleQuestion>
+            </div>
+        </div>
+        <div v-else>
+            <p class="no-questions">{{ t("no-questions") }}</p>
         </div>
     </div>
 </template>
-<style scoped></style>
+<style scoped>
+    .no-questions {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        height: 40vh;
+        text-align: center;
+        font-size: 18px;
+        color: #666;
+        padding: 0 20px;
+    }
+</style>

frontend/src/components/QuestionBox.vue

@@ -0,0 +1,89 @@
+<script setup lang="ts">
+    import authService from "@/services/auth/auth-service.ts";
+    import { computed, type ComputedRef, ref } from "vue";
+    import type { GroupDTOId } from "@dwengo-1/common/interfaces/group";
+    import type { QuestionData } from "@dwengo-1/common/interfaces/question";
+    import type { LearningObjectIdentifierDTO } from "@dwengo-1/interfaces/learning-content";
+    import { useCreateQuestionMutation } from "@/queries/questions.ts";
+    import { useI18n } from "vue-i18n";
+    import { AccountType } from "@dwengo-1/common/util/account-types.ts";
+
+    const props = defineProps<{
+        learningObjectHruid: string;
+        learningObjectLanguage: string;
+        learningObjectVersion: number;
+        forGroup?: GroupDTOId | undefined;
+        withTitle?: boolean;
+    }>();
+
+    const { t } = useI18n();
+
+    const emit = defineEmits(["updated"]);
+
+    const questionInput = ref("");
+
+    const loID: ComputedRef<LearningObjectIdentifierDTO> = computed(() => ({
+        hruid: props.learningObjectHruid as string,
+        language: props.learningObjectLanguage,
+        version: props.learningObjectVersion,
+    }));
+    const createQuestionMutation = useCreateQuestionMutation(loID);
+
+    const showQuestionBox = computed(() => authService.authState.activeRole === AccountType.Student && props.forGroup);
+
+    function submitQuestion(): void {
+        if (props.forGroup && questionInput.value !== "") {
+            const questionData: QuestionData = {
+                author: authService.authState.user?.profile.preferred_username,
+                content: questionInput.value,
+                inGroup: props.forGroup,
+            };
+            createQuestionMutation.mutate(questionData, {
+                onSuccess: async () => {
+                    questionInput.value = ""; // Clear the input field after submission
+                    emit("updated");
+                },
+                onError: (_) => {
+                    // TODO Handle error
+                    // - console.error(e);
+                },
+            });
+        }
+    }
+</script>
+
+<template>
+    <h3 v-if="props.withTitle && showQuestionBox">{{ t("askAQuestion") }}:</h3>
+    <div
+        class="question-box"
+        v-if="showQuestionBox"
+    >
+        <v-textarea
+            :label="t('question-input-placeholder')"
+            v-model="questionInput"
+            class="question-field"
+            density="compact"
+            rows="1"
+            variant="outlined"
+            auto-grow
+        >
+            <template v-slot:append-inner>
+                <v-btn
+                    icon="mdi mdi-send"
+                    size="small"
+                    variant="plain"
+                    class="question-button"
+                    @click="submitQuestion"
+                />
+            </template>
+        </v-textarea>
+    </div>
+</template>
+
+<style scoped>
+    .question-box {
+        width: 100%;
+        max-width: 400px;
+        margin: 20px auto;
+    }
+</style>

frontend/src/components/SingleQuestion.vue

@@ -5,17 +5,34 @@
     import UsingQueryResult from "./UsingQueryResult.vue";
     import type { AnswersResponse } from "@/controllers/answers";
     import type { AnswerData, AnswerDTO } from "@dwengo-1/common/interfaces/answer";
+    import type { UserDTO } from "@dwengo-1/common/interfaces/user";
     import authService from "@/services/auth/auth-service";
+    import { useI18n } from "vue-i18n";
     import { AccountType } from "@dwengo-1/common/util/account-types";
 
+    const { t } = useI18n();
+
     const props = defineProps<{
         question: QuestionDTO;
     }>();
 
     const expanded = ref(false);
+    const answersContainer = ref<HTMLElement | null>(null); // Ref for the answers container
 
     function toggle(): void {
         expanded.value = !expanded.value;
+
+        // Scroll to the answers container if expanded
+        if (expanded.value && answersContainer.value) {
+            setTimeout(() => {
+                if (answersContainer.value) {
+                    answersContainer.value.scrollIntoView({
+                        behavior: "smooth",
+                        block: "start",
+                    });
+                }
+            }, 100);
+        }
     }
 
     function formatDate(timestamp: string | Date): string {
@@ -49,141 +66,121 @@
             createAnswerMutation.mutate(answerData, {
                 onSuccess: async () => {
                     answer.value = "";
+                    expanded.value = true;
                     await answersQuery.refetch();
                 },
             });
         }
     }
+
+    function displayNameFor(user: UserDTO) {
+        if (user.firstName && user.lastName) {
+            return `${user.firstName} ${user.lastName}`;
+        } else {
+            return user.username;
+        }
+    }
 </script>
 <template>
     <div class="space-y-4">
-        <div
-            class="flex justify-between items-center mb-2"
-            style="
-                margin-right: 5px;
-                margin-left: 5px;
-                font-weight: bold;
-                display: flex;
-                flex-direction: row;
-                justify-content: space-between;
-            "
-        >
-            <span class="font-semibold text-lg text-gray-800">{{
-                question.author.firstName + " " + question.author.lastName
-            }}</span>
-            <span class="text-sm text-gray-500">{{ formatDate(question.timestamp) }}</span>
-        </div>
-
-        <div
-            class="text-gray-700 mb-3"
-            style="margin-left: 10px"
-        >
-            {{ question.content }}
-        </div>
-        <div
-            v-if="authService.authState.activeRole === AccountType.Teacher"
-            class="answer-input-container"
-        >
-            <input
-                v-model="answer"
-                type="text"
-                placeholder="answer: ..."
-                class="answer-input"
-            />
-            <button
-                @click="submitAnswer"
-                class="submit-button"
+        <v-card class="question-card">
+            <v-card-title class="author-title">{{ displayNameFor(question.author) }}</v-card-title>
+            <v-card-subtitle>{{ formatDate(question.timestamp) }}</v-card-subtitle>
+            <v-card-text>
+                {{ question.content }}
+            </v-card-text>
+            <template
+                v-slot:actions
+                v-if="
+                    authService.authState.activeRole === AccountType.Teacher ||
+                    answersQuery.data?.value?.answers?.length > 0
+                "
             >
-                ▶
-            </button>
-        </div>
-        <using-query-result
-            :query-result="answersQuery"
-            v-slot="answersResponse: { data: AnswersResponse }"
-        >
-            <button
-                v-if="answersResponse.data.answers && answersResponse.data.answers.length > 0"
-                @click="toggle()"
-                class="text-blue-600 hover:underline text-sm"
-            >
-                {{ expanded ? "Hide Answers" : "Show Answers" }}
-            </button>
-
-            <div
-                v-if="expanded"
-                class="mt-3 pl-4 border-l-2 border-blue-200 space-y-2"
-            >
-                <div
-                    v-for="(answer, answerIndex) in answersResponse.data.answers as AnswerDTO[]"
-                    :key="answerIndex"
-                    class="text-gray-600"
-                >
-                    <div
-                        class="flex justify-between items-center mb-2"
-                        style="
-                            margin-right: 5px;
-                            margin-left: 5px;
-                            font-weight: bold;
-                            display: flex;
-                            flex-direction: row;
-                            justify-content: space-between;
-                        "
+                <div class="question-actions-container">
+                    <v-textarea
+                        v-if="authService.authState.activeRole === AccountType.Teacher"
+                        :label="t('answer-input-placeholder')"
+                        v-model="answer"
+                        class="answer-field"
+                        density="compact"
+                        rows="1"
+                        variant="outlined"
+                        auto-grow
                     >
-                        <span class="font-semibold text-lg text-gray-800">{{ answer.author.username }}</span>
-                        <span class="text-sm text-gray-500">{{ formatDate(answer.timestamp) }}</span>
-                    </div>
-
-                    <div
-                        class="text-gray-700 mb-3"
-                        style="margin-left: 10px"
+                        <template v-slot:append-inner>
+                            <v-btn
+                                icon="mdi mdi-send"
+                                size="small"
+                                variant="plain"
+                                class="answer-button"
+                                @click="submitAnswer"
+                            />
+                        </template>
+                    </v-textarea>
+                    <using-query-result
+                        :query-result="answersQuery"
+                        v-slot="answersResponse: { data: AnswersResponse }"
                     >
-                        {{ answer.content }}
-                    </div>
+                        <v-btn
+                            v-if="answersResponse.data.answers && answersResponse.data.answers.length > 0"
+                            @click="toggle()"
+                        >
+                            {{ expanded ? t("answers-toggle-hide") : t("answers-toggle-show") }}
+                        </v-btn>
+
+                        <div
+                            v-show="expanded"
+                            ref="answersContainer"
+                            class="mt-3 pl-4 border-l-2 border-blue-200 space-y-2"
+                        >
+                            <v-card
+                                v-for="(answer, answerIndex) in answersResponse.data.answers as AnswerDTO[]"
+                                :key="answerIndex"
+                                class="answer-card"
+                            >
+                                <v-card-title class="author-title">{{ displayNameFor(answer.author) }}</v-card-title>
+                                <v-card-subtitle>{{ formatDate(answer.timestamp) }}</v-card-subtitle>
+                                <v-card-text>
+                                    {{ answer.content }}
+                                </v-card-text>
+                            </v-card>
+                        </div>
+                    </using-query-result>
                 </div>
-            </div>
-        </using-query-result>
+            </template>
+        </v-card>
     </div>
 </template>
 <style scoped>
-    .answer-input {
-        flex-grow: 1;
-        outline: none;
-        border: none;
-        background: transparent;
-        color: #374151; /* gray-700 */
-        font-size: 0.875rem; /* smaller font size */
+    .answer-field {
+        max-width: 500px;
     }
 
-    .answer-input::placeholder {
-        color: #9ca3af; /* gray-400 */
+    .answer-button {
+        margin: auto;
     }
 
-    .submit-button {
-        margin-left: 0.25rem;
-        padding: 0.25rem;
-        background-color: #f3f4f6; /* gray-100 */
-        border-radius: 9999px;
-        transition: background-color 0.2s;
-        border: none;
-        cursor: pointer;
-    }
-
-    .submit-button:hover {
-        background-color: #e5e7eb; /* gray-200 */
-    }
-
-    .submit-icon {
-        width: 0.75rem;
-        height: 0.75rem;
-        color: #4b5563; /* gray-600 */
-    }
     .answer-input-container {
-        display: flex;
-        align-items: center;
-        border: 1px solid #d1d5db; /* gray-300 */
-        border-radius: 9999px;
-        padding: 0.5rem 1rem;
-        max-width: 28rem;
+        margin: 5px;
+    }
+
+    .question-card {
+        margin: 10px;
+    }
+
+    .question-actions-container {
         width: 100%;
+        margin-left: 10px;
+        margin-right: 10px;
+    }
+
+    .answer-card {
+        margin-top: 10px;
+        margin-bottom: 10px;
+    }
+
+    .author-title {
+        font-size: 14pt;
+        margin-bottom: -10px;
     }
 </style>

frontend/src/components/assignments/DeadlineSelector.vue

@@ -1,18 +1,42 @@
 <script setup lang="ts">
     import { ref, watch } from "vue";
-    import { deadlineRules } from "@/utils/assignment-rules.ts";
+    import { useI18n } from "vue-i18n";
 
-    const emit = defineEmits<(e: "update:deadline", value: Date) => void>();
+    const { t } = useI18n();
+
+    const emit = defineEmits<(e: "update:deadline", value: Date | null) => void>();
+    const props = defineProps<{ deadline: Date | null }>();
 
     const datetime = ref("");
 
+    datetime.value = props.deadline ? new Date(props.deadline).toISOString().slice(0, 16) : "";
+
     // Watch the datetime value and emit the update
     watch(datetime, (val) => {
         const newDate = new Date(val);
         if (!isNaN(newDate.getTime())) {
             emit("update:deadline", newDate);
+        } else {
+            emit("update:deadline", null);
         }
     });
+
+    const deadlineRules = [
+        (value: string): string | boolean => {
+            const selectedDateTime = new Date(value);
+            const now = new Date();
+
+            if (isNaN(selectedDateTime.getTime())) {
+                return t("deadline-invalid");
+            }
+
+            if (selectedDateTime <= now) {
+                return t("deadline-past");
+            }
+
+            return true;
+        },
+    ];
 </script>
 
 <template>

frontend/src/components/assignments/GroupSelector.vue

@@ -1,75 +1,680 @@
 <script setup lang="ts">
-    import { ref } from "vue";
+    import { computed, ref, watch } from "vue";
     import { useI18n } from "vue-i18n";
-    import UsingQueryResult from "@/components/UsingQueryResult.vue";
-    import type { StudentsResponse } from "@/controllers/students.ts";
-    import { useClassStudentsQuery } from "@/queries/classes.ts";
+    import { useClassStudentsQuery } from "@/queries/classes";
 
     const props = defineProps<{
         classId: string | undefined;
-        groups: string[][];
+        groups: object[];
     }>();
-    const emit = defineEmits(["groupCreated"]);
+    const emit = defineEmits(["close", "groupsUpdated", "done"]);
     const { t } = useI18n();
 
-    const selectedStudents = ref([]);
-
-    const studentQueryResult = useClassStudentsQuery(() => props.classId, true);
-
-    function filterStudents(data: StudentsResponse): { title: string; value: string }[] {
-        const students = data.students;
-        const studentsInGroups = props.groups.flat();
-
-        return students
-            ?.map((st) => ({
-                title: `${st.firstName} ${st.lastName}`,
-                value: st.username,
-            }))
-            .filter((student) => !studentsInGroups.includes(student.value));
+    interface StudentItem {
+        username: string;
+        fullName: string;
     }
 
-    function createGroup(): void {
-        if (selectedStudents.value.length) {
-            // Extract only usernames (student.value)
-            const usernames = selectedStudents.value.map((student) => student.value);
-            emit("groupCreated", usernames);
-            selectedStudents.value = []; // Reset selection after creating group
+    const { data: studentsData } = useClassStudentsQuery(() => props.classId, true);
+
+    // Dialog states for group editing
+    const activeDialog = ref<"random" | "dragdrop" | null>(null);
+
+    // Drag state for the drag and drop
+    const draggedItem = ref<{ groupIndex: number; studentIndex: number } | null>(null);
+
+    const currentGroups = ref<StudentItem[][]>([]);
+    const unassignedStudents = ref<StudentItem[]>([]);
+    const allStudents = ref<StudentItem[]>([]);
+
+    // Random groups state
+    const groupSize = ref(1);
+    const randomGroupsPreview = ref<StudentItem[][]>([]);
+
+    // Initialize data
+    watch(
+        () => [studentsData.value, props.groups],
+        ([studentsVal, existingGroups]) => {
+            if (!studentsVal) return;
+
+            // Initialize all students
+            allStudents.value = studentsVal.students.map((s) => ({
+                username: s.username,
+                fullName: `${s.firstName} ${s.lastName}`,
+            }));
+
+            // Initialize groups if they exist
+            if (existingGroups && existingGroups.length > 0) {
+                currentGroups.value = existingGroups.map((group) =>
+                    group.members.map((member) => ({
+                        username: member.username,
+                        fullName: `${member.firstName} ${member.lastName}`,
+                    })),
+                );
+                const assignedUsernames = new Set(
+                    existingGroups.flatMap((g) => g.members.map((m: StudentItem) => m.username)),
+                );
+                unassignedStudents.value = allStudents.value.filter((s) => !assignedUsernames.has(s.username));
+            } else {
+                currentGroups.value = [];
+                unassignedStudents.value = [...allStudents.value];
+            }
+
+            randomGroupsPreview.value = [...currentGroups.value];
+        },
+        { immediate: true },
+    );
+
+    /** Random groups functions */
+    function generateRandomGroups(): void {
+        if (groupSize.value < 1) return;
+
+        // Shuffle students
+        const shuffled = [...allStudents.value].sort(() => Math.random() - 0.5);
+
+        // Create new groups
+        const newGroups: StudentItem[][] = [];
+        const groupCount = Math.ceil(shuffled.length / groupSize.value);
+
+        for (let i = 0; i < groupCount; i++) {
+            newGroups.push([]);
         }
+
+        // Distribute students
+        shuffled.forEach((student, index) => {
+            const groupIndex = index % groupCount;
+            newGroups[groupIndex].push(student);
+        });
+
+        randomGroupsPreview.value = newGroups;
+    }
+
+    function saveRandomGroups(): void {
+        emit(
+            "groupsUpdated",
+            randomGroupsPreview.value.map((g) => g.map((s) => s.username)),
+        );
+        activeDialog.value = null;
+        emit("done");
+        emit("close");
+    }
+
+    function addNewGroup(): void {
+        currentGroups.value.push([]);
+    }
+
+    function removeGroup(index: number): void {
+        // Move students back to unassigned
+        unassignedStudents.value.push(...currentGroups.value[index]);
+        currentGroups.value.splice(index, 1);
+    }
+
+    /** Drag and drop functions */
+
+    // Touch state interface
+    interface TouchState {
+        isDragging: boolean;
+        startX: number;
+        startY: number;
+        currentGroupIndex: number;
+        currentStudentIndex: number;
+        element: HTMLElement | null;
+        clone: HTMLElement | null;
+        originalRect: DOMRect | null;
+        hasMoved: boolean;
+    }
+
+    const touchState = ref<TouchState>({
+        isDragging: false,
+        startX: 0,
+        startY: 0,
+        currentGroupIndex: -1,
+        currentStudentIndex: -1,
+        element: null,
+        clone: null,
+        originalRect: null,
+        hasMoved: false,
+    });
+
+    function handleTouchStart(event: TouchEvent, groupIndex: number, studentIndex: number): void {
+        if (event.touches.length > 1) return;
+
+        const touch = event.touches[0];
+        const target = event.target as HTMLElement;
+        // Target the chip directly instead of the draggable container
+        const chip = target.closest(".v-chip") as HTMLElement;
+
+        if (!chip) return;
+
+        // Get the chip's position relative to the viewport
+        const rect = chip.getBoundingClientRect();
+
+        touchState.value = {
+            isDragging: true,
+            startX: touch.clientX,
+            startY: touch.clientY,
+            currentGroupIndex: groupIndex,
+            currentStudentIndex: studentIndex,
+            element: chip,
+            clone: null,
+            originalRect: rect,
+            hasMoved: false,
+        };
+
+        // Clone only the chip
+        const clone = chip.cloneNode(true) as HTMLElement;
+        clone.classList.add("drag-clone");
+        clone.style.position = "fixed";
+        clone.style.zIndex = "10000";
+        clone.style.opacity = "0.9";
+        clone.style.pointerEvents = "none";
+        clone.style.width = `${rect.width}px`;
+        clone.style.height = `${rect.height}px`;
+        clone.style.left = `${rect.left}px`;
+        clone.style.top = `${rect.top}px`;
+        clone.style.transform = "scale(1.05)";
+        clone.style.boxShadow = "0 4px 8px rgba(0,0,0,0.3)";
+        clone.style.transition = "transform 0.1s";
+
+        // Ensure the clone has the same chip styling
+        clone.style.backgroundColor = getComputedStyle(chip).backgroundColor;
+        clone.style.color = getComputedStyle(chip).color;
+        clone.style.borderRadius = getComputedStyle(chip).borderRadius;
+        clone.style.padding = getComputedStyle(chip).padding;
+        clone.style.margin = "0"; // Remove any margin
+
+        document.body.appendChild(clone);
+        touchState.value.clone = clone;
+        chip.style.visibility = "hidden";
+
+        event.preventDefault();
+        event.stopPropagation();
+    }
+
+    function handleTouchMove(event: TouchEvent): void {
+        if (!touchState.value.isDragging || !touchState.value.clone || event.touches.length > 1) return;
+
+        const touch = event.touches[0];
+        const clone = touchState.value.clone;
+
+        const dx = Math.abs(touch.clientX - touchState.value.startX);
+        const dy = Math.abs(touch.clientY - touchState.value.startY);
+
+        if (dx > 5 || dy > 5) {
+            touchState.value.hasMoved = true;
+        }
+
+        clone.style.left = `${touch.clientX - clone.offsetWidth / 2}px`;
+        clone.style.top = `${touch.clientY - clone.offsetHeight / 2}px`;
+
+        document.querySelectorAll(".group-box").forEach((el) => {
+            el.classList.remove("highlight");
+        });
+
+        const elements = document.elementsFromPoint(touch.clientX, touch.clientY);
+        const dropTarget = elements.find((el) => el.classList.contains("group-box"));
+
+        if (dropTarget) {
+            dropTarget.classList.add("highlight");
+        }
+
+        event.preventDefault();
+        event.stopPropagation();
+    }
+
+    function handleTouchEnd(event: TouchEvent): void {
+        if (!touchState.value.isDragging) return;
+
+        const { currentGroupIndex, currentStudentIndex, clone, element, hasMoved } = touchState.value;
+
+        document.querySelectorAll(".group-box").forEach((el) => {
+            el.classList.remove("highlight");
+        });
+
+        if (clone?.parentNode) {
+            clone.parentNode.removeChild(clone);
+        }
+
+        if (element) {
+            element.style.visibility = "visible";
+        }
+
+        if (hasMoved && event.changedTouches.length > 0) {
+            const touch = event.changedTouches[0];
+            const elements = document.elementsFromPoint(touch.clientX, touch.clientY);
+            const dropTarget = elements.find((el) => el.classList.contains("group-box"));
+
+            if (dropTarget) {
+                const groupBoxes = document.querySelectorAll(".group-box");
+                const targetGroupIndex = Array.from(groupBoxes).indexOf(dropTarget);
+
+                if (targetGroupIndex !== currentGroupIndex) {
+                    const sourceArray =
+                        currentGroupIndex === -1 ? unassignedStudents.value : currentGroups.value[currentGroupIndex];
+                    const targetArray =
+                        targetGroupIndex === -1 ? unassignedStudents.value : currentGroups.value[targetGroupIndex];
+
+                    if (sourceArray && targetArray) {
+                        const [movedStudent] = sourceArray.splice(currentStudentIndex, 1);
+                        targetArray.push(movedStudent);
+                    }
+                }
+            }
+        }
+
+        touchState.value = {
+            isDragging: false,
+            startX: 0,
+            startY: 0,
+            currentGroupIndex: -1,
+            currentStudentIndex: -1,
+            element: null,
+            clone: null,
+            originalRect: null,
+            hasMoved: false,
+        };
+
+        event.preventDefault();
+        event.stopPropagation();
+    }
+
+    function handleDragStart(event: DragEvent, groupIndex: number, studentIndex: number): void {
+        draggedItem.value = { groupIndex, studentIndex };
+        if (event.dataTransfer) {
+            event.dataTransfer.effectAllowed = "move";
+            event.dataTransfer.setData("text/plain", "");
+        }
+    }
+
+    function handleDragOver(e: DragEvent, _: number): void {
+        e.preventDefault();
+        if (e.dataTransfer) {
+            e.dataTransfer.dropEffect = "move";
+        }
+    }
+
+    function handleDrop(e: DragEvent, targetGroupIndex: number, targetStudentIndex?: number): void {
+        e.preventDefault();
+        if (!draggedItem.value) return;
+
+        const { groupIndex: sourceGroupIndex, studentIndex: sourceStudentIndex } = draggedItem.value;
+        const sourceArray = sourceGroupIndex === -1 ? unassignedStudents.value : currentGroups.value[sourceGroupIndex];
+        const targetArray = targetGroupIndex === -1 ? unassignedStudents.value : currentGroups.value[targetGroupIndex];
+
+        const [movedStudent] = sourceArray.splice(sourceStudentIndex, 1);
+        if (targetStudentIndex !== undefined) {
+            targetArray.splice(targetStudentIndex, 0, movedStudent);
+        } else {
+            targetArray.push(movedStudent);
+        }
+
+        draggedItem.value = null;
+    }
+
+    function saveDragDrop(): void {
+        emit(
+            "groupsUpdated",
+            currentGroups.value
+                .filter((g) => g.length > 0) // Filter out empty groups
+                .map((g) => g.map((s) => s.username)),
+        );
+        activeDialog.value = null;
+        emit("done");
+        emit("close");
+    }
+
+    const showGroupsPreview = computed(() => currentGroups.value.length > 0 || unassignedStudents.value.length > 0);
+
+    function removeStudent(groupIndex: number, student: StudentItem): void {
+        const group = currentGroups.value[groupIndex];
+        currentGroups.value[groupIndex] = group.filter((s) => s.username !== student.username);
+        unassignedStudents.value.push(student);
     }
 </script>
 
 <template>
-    <using-query-result
-        :query-result="studentQueryResult"
-        v-slot="{ data }: { data: StudentsResponse }"
-    >
-        <h3>{{ t("create-groups") }}</h3>
-        <v-card-text>
-            <v-combobox
-                v-model="selectedStudents"
-                :items="filterStudents(data)"
-                item-title="title"
-                item-value="value"
-                :label="t('choose-students')"
-                variant="outlined"
-                clearable
-                multiple
-                hide-details
-                density="compact"
-                chips
-                append-inner-icon="mdi-magnify"
-            ></v-combobox>
+    <v-card class="pa-4 minimal-card">
+        <!-- Current groups and unassigned students Preview -->
+        <div
+            v-if="showGroupsPreview"
+            class="mb-6"
+        >
+            <h3 class="mb-2">{{ t("current-groups") }}</h3>
+            <div>
+                <div class="d-flex flex-wrap">
+                    <label>{{ currentGroups.length }}</label>
+                </div>
+            </div>
+        </div>
 
+        <v-row
+            justify="center"
+            class="mb-4"
+        >
             <v-btn
-                @click="createGroup"
                 color="primary"
-                class="mt-2"
-                size="small"
+                @click="activeDialog = 'random'"
+                prepend-icon="mdi-shuffle"
             >
-                {{ t("create-group") }}
+                {{ t("random-grouping") }}
             </v-btn>
-        </v-card-text>
-    </using-query-result>
+            <v-btn
+                color="secondary"
+                class="ml-4"
+                @click="activeDialog = 'dragdrop'"
+                prepend-icon="mdi-drag"
+            >
+                {{ t("drag-and-drop") }}
+            </v-btn>
+        </v-row>
+
+        <!-- Random Groups selection Dialog -->
+        <v-dialog
+            :model-value="activeDialog === 'random'"
+            @update:model-value="(val) => (val ? (activeDialog = 'random') : (activeDialog = null))"
+            max-width="600"
+        >
+            <v-card class="custom-dialog">
+                <v-card-title class="dialog-title">{{ t("auto-generate-groups") }}</v-card-title>
+                <v-card-text>
+                    <v-row align="center">
+                        <v-col cols="6">
+                            <v-text-field
+                                v-model.number="groupSize"
+                                type="number"
+                                min="1"
+                                :max="allStudents.length"
+                                :label="t('group-size-label')"
+                                dense
+                            />
+                        </v-col>
+                        <v-col cols="6">
+                            <v-btn
+                                color="primary"
+                                @click="generateRandomGroups"
+                                :disabled="groupSize < 1 || groupSize > allStudents.length"
+                                block
+                            >
+                                {{ t("generate-groups") }}
+                            </v-btn>
+                        </v-col>
+                    </v-row>
+
+                    <div class="mt-4">
+                        <div class="d-flex justify-space-between align-center mb-2">
+                            <strong>{{ t("preview") }}</strong>
+                            <span class="text-caption"> {{ randomGroupsPreview.length }} {{ t("groups") }} </span>
+                        </div>
+
+                        <v-expansion-panels>
+                            <v-expansion-panel
+                                v-for="(group, index) in randomGroupsPreview"
+                                :key="'random-preview-' + index"
+                            >
+                                <v-expansion-panel-title>
+                                    {{ t("group") }} {{ index + 1 }} ({{ group.length }} {{ t("members") }})
+                                </v-expansion-panel-title>
+                                <v-expansion-panel-text>
+                                    <v-chip
+                                        v-for="student in group"
+                                        :key="student.username"
+                                        class="ma-1"
+                                    >
+                                        {{ student.fullName }}
+                                    </v-chip>
+                                </v-expansion-panel-text>
+                            </v-expansion-panel>
+                        </v-expansion-panels>
+                    </div>
+                </v-card-text>
+
+                <v-card-actions class="dialog-actions">
+                    <v-spacer />
+                    <v-btn
+                        text
+                        @click="activeDialog = null"
+                        >{{ t("cancel") }}</v-btn
+                    >
+                    <v-btn
+                        color="success"
+                        @click="saveRandomGroups"
+                        :disabled="randomGroupsPreview.length === 0"
+                    >
+                        {{ t("save") }}
+                    </v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
+
+        <!-- Drag and Drop Dialog -->
+        <v-dialog
+            :model-value="activeDialog === 'dragdrop'"
+            @update:model-value="(val) => (val ? (activeDialog = 'dragdrop') : (activeDialog = null))"
+            max-width="900"
+        >
+            <v-card class="custom-dialog">
+                <v-card-title class="dialog-title d-flex justify-space-between align-center">
+                    <div>{{ t("drag-and-drop") }}</div>
+                    <v-btn
+                        color="primary"
+                        small
+                        @click="addNewGroup"
+                        >+</v-btn
+                    >
+                </v-card-title>
+
+                <v-card-text>
+                    <v-row>
+                        <!-- Groups Column -->
+                        <v-col
+                            cols="12"
+                            md="8"
+                        >
+                            <div
+                                v-if="currentGroups.length === 0"
+                                class="text-center py-4"
+                            >
+                                <div>
+                                    <v-icon
+                                        icon="mdi-information-outline"
+                                        size="small"
+                                    />
+                                    {{ t("currently-no-groups") }}
+                                </div>
+                            </div>
+
+                            <template v-else>
+                                <div
+                                    v-for="(group, groupIndex) in currentGroups"
+                                    :key="groupIndex"
+                                    class="mb-4"
+                                    @dragover.prevent="handleDragOver($event, groupIndex)"
+                                    @drop="handleDrop($event, groupIndex)"
+                                >
+                                    <div class="d-flex justify-space-between align-center mb-2">
+                                        <strong>{{ t("group") }} {{ groupIndex + 1 }}</strong>
+                                        <v-btn
+                                            icon
+                                            small
+                                            color="error"
+                                            @click="removeGroup(groupIndex)"
+                                        >
+                                            <v-icon>mdi-delete</v-icon>
+                                        </v-btn>
+                                    </div>
+
+                                    <div class="group-box pa-2">
+                                        <div
+                                            v-for="(student, studentIndex) in group"
+                                            :key="student.username"
+                                            class="draggable-item ma-1"
+                                            draggable="true"
+                                            @touchstart="handleTouchStart($event, groupIndex, studentIndex)"
+                                            @touchmove="handleTouchMove($event)"
+                                            @touchend="handleTouchEnd($event)"
+                                            @dragstart="handleDragStart($event, groupIndex, studentIndex)"
+                                            @dragover.prevent="handleDragOver($event, groupIndex)"
+                                            @drop="handleDrop($event, groupIndex, studentIndex)"
+                                        >
+                                            <v-chip
+                                                close
+                                                @click:close="removeStudent(groupIndex, student)"
+                                            >
+                                                {{ student.fullName }}
+                                            </v-chip>
+                                        </div>
+                                    </div>
+                                </div>
+                            </template>
+                        </v-col>
+
+                        <!-- Unassigned Students Column -->
+                        <v-col
+                            cols="12"
+                            md="4"
+                            @dragover.prevent="handleDragOver($event, -1)"
+                            @drop="handleDrop($event, -1)"
+                        >
+                            <div class="mb-2">
+                                <strong>{{ t("unassigned") }}</strong>
+                                <span class="text-caption ml-2">({{ unassignedStudents.length }})</span>
+                            </div>
+
+                            <div class="group-box pa-2">
+                                <div
+                                    v-for="(student, studentIndex) in unassignedStudents"
+                                    :key="student.username"
+                                    class="draggable-item ma-1"
+                                    draggable="true"
+                                    @touchstart="handleTouchStart($event, -1, studentIndex)"
+                                    @touchmove="handleTouchMove($event)"
+                                    @touchend="handleTouchEnd($event)"
+                                    @dragstart="handleDragStart($event, -1, studentIndex)"
+                                    @dragover.prevent="handleDragOver($event, -1)"
+                                    @drop="handleDrop($event, -1, studentIndex)"
+                                >
+                                    <v-chip>{{ student.fullName }}</v-chip>
+                                </div>
+                            </div>
+                        </v-col>
+                    </v-row>
+                </v-card-text>
+
+                <v-card-actions>
+                    <v-spacer />
+                    <v-btn
+                        text
+                        @click="activeDialog = null"
+                        >{{ t("cancel") }}</v-btn
+                    >
+                    <v-btn
+                        color="primary"
+                        @click="saveDragDrop"
+                    >
+                        {{ t("save") }}
+                    </v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
+    </v-card>
 </template>
 
-<style scoped></style>
+<style scoped>
+    .group-box {
+        min-height: 100px;
+        max-height: 200px;
+        overflow-y: auto;
+        background-color: #fafafa;
+        border-radius: 4px;
+        transition: all 0.2s;
+    }
+
+    .group-box.highlight {
+        background-color: #e3f2fd;
+        border: 2px dashed #2196f3;
+    }
+
+    .v-expansion-panel-text {
+        max-height: 200px;
+        overflow-y: auto;
+    }
+
+    .drag-clone {
+        z-index: 10000;
+        transform: scale(1.05);
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
+        transition: transform 0.1s;
+        will-change: transform;
+        pointer-events: none;
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        border-radius: 16px;
+        background-color: inherit;
+    }
+
+    .draggable-item {
+        display: inline-block;
+    }
+
+    .draggable-item .v-chip[style*="hidden"] {
+        visibility: hidden;
+        display: inline-block;
+    }
+
+    .custom-dialog {
+        border-radius: 16px;
+        padding: 24px;
+        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
+    }
+
+    .dialog-title {
+        color: #00796b; /* teal-like green */
+        font-weight: bold;
+        font-size: 1.25rem;
+        margin-bottom: 16px;
+    }
+
+    .dialog-actions {
+        display: flex;
+        justify-content: flex-end;
+        gap: 12px;
+        margin-top: 24px;
+    }
+
+    .v-btn.custom-green {
+        background-color: #43a047;
+        color: white;
+    }
+
+    .v-btn.custom-green:hover {
+        background-color: #388e3c;
+    }
+
+    .v-btn.custom-blue {
+        background-color: #1e88e5;
+        color: white;
+    }
+
+    .v-btn.custom-blue:hover {
+        background-color: #1565c0;
+    }
+
+    .v-btn.cancel-button {
+        background-color: #e0f2f1;
+        color: #00695c;
+    }
+
+    .minimal-card {
+        box-shadow: none; /* remove card shadow */
+        border: none; /* remove border */
+        background-color: transparent; /* make background transparent */
+        padding: 0; /* reduce padding */
+        margin-bottom: 1rem; /* keep some spacing below */
+    }
+
+    /* Optionally, keep some padding only around buttons */
+    .minimal-card > .v-row {
+        padding: 1rem 0; /* give vertical padding around buttons */
+    }
+</style>

frontend/src/controllers/assignments.ts

@@ -25,7 +25,7 @@ export class AssignmentController extends BaseController {
         return this.get<AssignmentResponse>(`/${num}`);
     }
 
-    async createAssignment(data: AssignmentDTO): Promise<AssignmentResponse> {
+    async createAssignment(data: Partial<AssignmentDTO>): Promise<AssignmentResponse> {
         return this.post<AssignmentResponse>(`/`, data);
     }
 
@@ -48,4 +48,12 @@ export class AssignmentController extends BaseController {
     async getGroups(assignmentNumber: number, full = true): Promise<GroupsResponse> {
         return this.get<GroupsResponse>(`/${assignmentNumber}/groups`, { full });
     }
+
+    async getSubmissionsByGroup(
+        assignmentNumber: number,
+        groupNumber: number,
+        full = true,
+    ): Promise<SubmissionsResponse> {
+        return this.get<SubmissionsResponse>(`/${assignmentNumber}/groups/${groupNumber}/submissions`, { full });
+    }
 }

frontend/src/controllers/questions.ts

@@ -14,10 +14,19 @@ export class QuestionController extends BaseController {
     loId: LearningObjectIdentifierDTO;
 
     constructor(loId: LearningObjectIdentifierDTO) {
-        super(`learningObject/${loId.hruid}/:${loId.version}/questions`);
+        super(`learningObject/${loId.hruid}/${loId.version}/questions`);
         this.loId = loId;
     }
 
+    async getAllGroup(
+        classId: string,
+        assignmentId: string,
+        forStudent: string,
+        full = true,
+    ): Promise<QuestionsResponse> {
+        return this.get<QuestionsResponse>("/", { lang: this.loId.language, full, classId, assignmentId, forStudent });
+    }
+
     async getAll(full = true): Promise<QuestionsResponse> {
         return this.get<QuestionsResponse>("/", { lang: this.loId.language, full });
     }

frontend/src/controllers/submissions.ts

@@ -23,7 +23,14 @@ export class SubmissionController extends BaseController {
         groupId?: number,
         full = true,
     ): Promise<SubmissionsResponse> {
-        return this.get<SubmissionsResponse>(`/`, { language, version, classId, assignmentId, groupId, full });
+        return this.get<SubmissionsResponse>(`/`, {
+            language,
+            version,
+            classId,
+            assignmentId,
+            forGroup: groupId,
+            full,
+        });
     }
 
     async getByNumber(
@@ -39,7 +46,7 @@ export class SubmissionController extends BaseController {
             version,
             classId,
             assignmentId,
-            groupId,
+            forGroup: groupId,
         });
     }
 

frontend/src/controllers/teachers.ts

@@ -2,6 +2,7 @@ import { BaseController } from "@/controllers/base-controller.ts";
 import type { JoinRequestResponse, JoinRequestsResponse, StudentsResponse } from "@/controllers/students.ts";
 import type { ClassesResponse } from "@/controllers/classes.ts";
 import type { TeacherDTO } from "@dwengo-1/common/interfaces/teacher";
+import type { AssignmentsResponse } from "./assignments";
 
 export interface TeachersResponse {
     teachers: TeacherDTO[] | string[];
@@ -35,6 +36,10 @@ export class TeacherController extends BaseController {
         return this.get<ClassesResponse>(`/${username}/classes`, { full });
     }
 
+    async getAssignments(username: string, full = true): Promise<AssignmentsResponse> {
+        return this.get<AssignmentsResponse>(`/${username}/assignments`, { full });
+    }
+
     async getStudents(username: string, full = false): Promise<StudentsResponse> {
         return this.get<StudentsResponse>(`/${username}/students`, { full });
     }

frontend/src/i18n/locale/de.json

@@ -105,7 +105,6 @@
     "assignLearningPath": "Als Aufgabe geben",
     "group": "Gruppe",
     "description": "Beschreibung",
-    "no-submission": "keine vorlage",
     "submission": "Einreichung",
     "progress": "Fortschritte",
     "remove": "entfernen",
@@ -166,5 +165,31 @@
     "pathContainsNonExistingLearningObjects": "Mindestens eines der in diesem Pfad referenzierten Lernobjekte existiert nicht.",
     "targetAgesMandatory": "Zielalter müssen angegeben werden.",
     "hintRemoveIfUnconditionalTransition": "(entfernen, wenn dies ein bedingungsloser Übergang sein soll)",
-    "hintKeywordsSeparatedBySpaces": "Schlüsselwörter durch Leerzeichen getrennt"
+    "hintKeywordsSeparatedBySpaces": "Schlüsselwörter durch Leerzeichen getrennt",
+    "title-required": "Titel darf nicht leer sein.",
+    "class-required": "Du musst eine Klasse auswählen.",
+    "deadline-invalid": "Ungültiges Datum oder Uhrzeit.",
+    "deadline-past": "Die Frist muss in der Zukunft liegen.",
+    "lp-required": "Du musst einen Lernpfad auswählen.",
+    "lp-invalid": "Der ausgewählte Lernpfad existiert nicht.",
+    "currently-no-groups": "Es gibt keine Gruppen für diese Aufgabe.",
+    "random-grouping": "Gruppen zufällig erstellen",
+    "drag-and-drop": "Gruppen manuell erstellen",
+    "generate-groups": "erzeugen",
+    "auto-generate-groups": "Gruppen gleicher Größe erstellen",
+    "preview": "Vorschau",
+    "current-groups": "Aktuelle Gruppen",
+    "group-size-label": "Gruppengröße",
+    "save": "Speichern",
+    "unassigned": "Nicht zugewiesen",
+    "questions": "Fragen",
+    "view-questions": "Fragen anzeigen auf ",
+    "question-input-placeholder": "Ihre Frage...",
+    "answer-input-placeholder": "Ihre Antwort...",
+    "answers-toggle-hide": "Antworten verstecken",
+    "answers-toggle-show": "Antworten anzeigen",
+    "no-questions": "Keine Fragen",
+    "no-discussion-tip": "Wählen Sie ein Lernobjekt aus, um dessen Fragen anzuzeigen",
+    "askAQuestion": "Eine Frage stellen",
+    "questionsCapitalized": "Fragen"
 }

frontend/src/i18n/locale/en.json

@@ -4,7 +4,7 @@
     "teacher": "teacher",
     "assignments": "Assignments",
     "classes": "Classes",
-    "discussions": "discussions",
+    "discussions": "Discussions",
     "logout": "log out",
     "error_title": "Error",
     "previous": "Previous",
@@ -104,7 +104,6 @@
     "assignLearningPath": "assign",
     "group": "Group",
     "description": "Description",
-    "no-submission": "no submission",
     "submission": "Submission",
     "progress": "Progress",
     "created": "created",
@@ -122,6 +121,7 @@
     "invite": "invite",
     "assignmentIndicator": "ASSIGNMENT",
     "searchAllLearningPathsTitle": "Search all learning paths",
+    "not-in-group-message": "You are not part of a group yet",
     "searchAllLearningPathsDescription": "You didn't find what you were looking for? Click here to search our whole database of available learning paths.",
     "no-students-found": "This class has no students.",
     "no-invitations-found": "You have no pending invitations.",
@@ -166,5 +166,31 @@
     "pathContainsNonExistingLearningObjects": "At least one of the learning objects referenced in this path does not exist.",
     "targetAgesMandatory": "Target ages must be specified.",
     "hintRemoveIfUnconditionalTransition": "(remove this if this should be an unconditional transition)",
-    "hintKeywordsSeparatedBySpaces": "Keywords separated by spaces"
+    "hintKeywordsSeparatedBySpaces": "Keywords separated by spaces",
+    "title-required": "Title cannot be empty.",
+    "class-required": "You must select a class.",
+    "deadline-invalid": "Invalid date or time.",
+    "deadline-past": "The deadline must be in the future.",
+    "lp-required": "You must select a learning path.",
+    "lp-invalid": "The selected learning path doesn't exist.",
+    "currently-no-groups": "There are no groups for this assignment.",
+    "random-grouping": "Randomly create groups",
+    "drag-and-drop": "Manually create groups",
+    "generate-groups": "generate",
+    "auto-generate-groups": "Create groups of equal size",
+    "preview": "Preview",
+    "current-groups": "Current groups",
+    "group-size-label": "Group size",
+    "save": "Save",
+    "unassigned": "Unassigned",
+    "questions": "questions",
+    "view-questions": "View questions in ",
+    "question-input-placeholder": "Your question...",
+    "answer-input-placeholder": "Your answer...",
+    "answers-toggle-hide": "Hide answers",
+    "answers-toggle-show": "Show answers",
+    "no-questions": "No questions asked yet",
+    "no-discussion-tip": "Choose a learning object to view its questions",
+    "askAQuestion": "Ask a question",
+    "questionsCapitalized": "Questions"
 }

frontend/src/i18n/locale/fr.json

@@ -88,7 +88,7 @@
     "deny": "refuser",
     "sent": "envoyé",
     "failed": "échoué",
-    "wrong": "quelque chose n'a pas fonctionné",
+    "wrong": "Il y a une erreur",
     "created": "créé",
     "callbackLoading": "Vous serez connecté...",
     "loginUnexpectedError": "La connexion a échoué",
@@ -98,14 +98,13 @@
     "groupSubmissions": "Soumissions de ce groupe",
     "taskCompleted": "Tâche terminée.",
     "submittedBy": "Soumis par",
-    "timestamp": "Horodatage",
+    "timestamp": "Date et heure",
     "loadSubmission": "Charger",
     "noSubmissionsYet": "Pas encore de soumissions.",
     "viewAsGroup": "Voir la progression du groupe...",
     "assignLearningPath": "donner comme tâche",
     "group": "Groupe",
     "description": "Description",
-    "no-submission": "aucune soumission",
     "submission": "Soumission",
     "progress": "Progrès",
     "remove": "supprimer",
@@ -167,5 +166,31 @@
     "pathContainsNonExistingLearningObjects": "Au moins un des objets d’apprentissage référencés dans ce chemin n’existe pas.",
     "targetAgesMandatory": "Les âges cibles doivent être spécifiés.",
     "hintRemoveIfUnconditionalTransition": "(supprimer ceci s’il s’agit d’une transition inconditionnelle)",
-    "hintKeywordsSeparatedBySpaces": "Mots-clés séparés par des espaces"
+    "hintKeywordsSeparatedBySpaces": "Mots-clés séparés par des espaces",
+    "title-required": "Le titre ne peut pas être vide.",
+    "class-required": "Vous devez sélectionner une classe.",
+    "deadline-invalid": "Date ou heure invalide.",
+    "deadline-past": "La date limite doit être dans le futur.",
+    "lp-required": "Vous devez sélectionner un parcours d'apprentissage.",
+    "lp-invalid": "Le parcours d'apprentissage sélectionné n'existe pas.",
+    "currently-no-groups": "Il n’y a pas de groupes pour cette tâche.",
+    "random-grouping": "Créer des groupes aléatoirement",
+    "drag-and-drop": "Créer des groupes manuellement",
+    "generate-groups": "générer",
+    "auto-generate-groups": "Créer des groupes de taille égale",
+    "preview": "Aperçu",
+    "current-groups": "Groupes actuels",
+    "group-size-label": "Taille des groupes",
+    "save": "Enregistrer",
+    "unassigned": "Non assigné",
+    "questions": "Questions",
+    "view-questions": "Voir les questions dans ",
+    "question-input-placeholder": "Votre question...",
+    "answer-input-placeholder": "Votre réponse...",
+    "answers-toggle-hide": "Masquer réponses",
+    "answers-toggle-show": "Afficher réponse",
+    "no-questions": "Aucune question trouvée",
+    "no-discussion-tip": "Sélectionnez un objet d'apprentissage pour afficher les questions qui s'y rapportent",
+    "askAQuestion": "Pose une question",
+    "questionsCapitalized": "Questions"
 }

frontend/src/i18n/locale/nl.json

@@ -4,7 +4,7 @@
     "teacher": "leerkracht",
     "assignments": "Opdrachten",
     "classes": "Klassen",
-    "discussions": "discussies",
+    "discussions": "Discussies",
     "logout": "log uit",
     "error_title": "Fout",
     "previous": "Vorige",
@@ -105,7 +105,6 @@
     "assignLearningPath": "Als opdracht geven",
     "group": "Groep",
     "description": "Beschrijving",
-    "no-submission": "geen indiening",
     "submission": "Indiening",
     "progress": "Vooruitgang",
     "remove": "verwijder",
@@ -166,5 +165,31 @@
     "pathContainsNonExistingLearningObjects": "Ten minste één van de leerobjecten in dit pad bestaat niet.",
     "targetAgesMandatory": "Doelleeftijden moeten worden opgegeven.",
     "hintRemoveIfUnconditionalTransition": "(verwijder dit voor onvoorwaardelijke overgangen)",
-    "hintKeywordsSeparatedBySpaces": "Trefwoorden gescheiden door spaties"
+    "hintKeywordsSeparatedBySpaces": "Trefwoorden gescheiden door spaties",
+    "title-required": "Titel mag niet leeg zijn.",
+    "class-required": "Je moet een klas selecteren.",
+    "deadline-invalid": "Ongeldige datum of tijd.",
+    "deadline-past": "De deadline moet in de toekomst liggen.",
+    "lp-required": "Je moet een leerpad selecteren.",
+    "lp-invalid": "Het geselecteerde leerpad bestaat niet.",
+    "currently-no-groups": "Er zijn geen groepen voor deze opdracht.",
+    "random-grouping": "Groepeer willekeurig",
+    "drag-and-drop": "Stel groepen handmatig samen",
+    "generate-groups": "genereren",
+    "auto-generate-groups": "Maak groepen van gelijke grootte",
+    "preview": "Voorbeeld",
+    "current-groups": "Huidige groepen",
+    "group-size-label": "Grootte van groepen",
+    "save": "Opslaan",
+    "unassigned": "Niet toegewezen",
+    "questions": "vragen",
+    "view-questions": "Bekijk vragen in ",
+    "question-input-placeholder": "Uw vraag...",
+    "answer-input-placeholder": "Uw antwoord...",
+    "answers-toggle-hide": "Verberg antwoorden",
+    "answers-toggle-show": "Toon antwoorden",
+    "no-questions": "Nog geen vragen gesteld",
+    "no-discussion-tip": "Kies een leerobject om zijn vragen te bekijken",
+    "askAQuestion": "Stel een vraag",
+    "questionsCapitalized": "Vragen"
 }

frontend/src/queries/assignments.ts

@@ -117,7 +117,7 @@ export function useAssignmentQuery(
 export function useCreateAssignmentMutation(): UseMutationReturnType<
     AssignmentResponse,
     Error,
-    { cid: string; data: AssignmentDTO },
+    { cid: string; data: Partial<AssignmentDTO> },
     unknown
 > {
     const queryClient = useQueryClient();
@@ -181,7 +181,7 @@ export function useAssignmentSubmissionsQuery(
 
     return useQuery({
         queryKey: computed(() => assignmentSubmissionsQueryKey(cid!, an!, f)),
-        queryFn: async () => new AssignmentController(cid!).getSubmissions(gn!, f),
+        queryFn: async () => new AssignmentController(cid!).getSubmissionsByGroup(an!, gn!, f),
         enabled: () => checkEnabled(cid, an, gn),
     });
 }

frontend/src/queries/questions.ts

@@ -9,6 +9,7 @@ import {
     useQueryClient,
     type UseQueryReturnType,
 } from "@tanstack/vue-query";
+import type { Language } from "@dwengo-1/common/util/language";
 
 export function questionsQueryKey(
     loId: LearningObjectIdentifierDTO,
@@ -17,6 +18,16 @@ export function questionsQueryKey(
     return ["questions", loId.hruid, loId.version!, loId.language, full];
 }
 
+export function questionsGroupQueryKey(
+    loId: LearningObjectIdentifierDTO,
+    classId: string,
+    assignmentId: string,
+    student: string,
+    full: boolean,
+): [string, string, number, Language, boolean, string, string, string] {
+    return ["questions", loId.hruid, loId.version!, loId.language, full, classId, assignmentId, student];
+}
+
 export function questionQueryKey(questionId: QuestionId): [string, string, number, string, number] {
     const loId = questionId.learningObjectIdentifier;
     return ["question", loId.hruid, loId.version!, loId.language, questionId.sequenceNumber];
@@ -33,6 +44,34 @@ export function useQuestionsQuery(
     });
 }
 
+export function useQuestionsGroupQuery(
+    loId: MaybeRefOrGetter<LearningObjectIdentifierDTO>,
+    classId: MaybeRefOrGetter<string>,
+    assignmentId: MaybeRefOrGetter<string>,
+    student: MaybeRefOrGetter<string>,
+    full: MaybeRefOrGetter<boolean> = true,
+): UseQueryReturnType<QuestionsResponse, Error> {
+    return useQuery({
+        queryKey: computed(() =>
+            questionsGroupQueryKey(
+                toValue(loId),
+                toValue(classId),
+                toValue(assignmentId),
+                toValue(student),
+                toValue(full),
+            ),
+        ),
+        queryFn: async () =>
+            new QuestionController(toValue(loId)).getAllGroup(
+                toValue(classId),
+                toValue(assignmentId),
+                toValue(student),
+                toValue(full),
+            ),
+        enabled: () => Boolean(toValue(loId)),
+    });
+}
+
 export function useQuestionQuery(
     questionId: MaybeRefOrGetter<QuestionId>,
 ): UseQueryReturnType<QuestionResponse, Error> {

frontend/src/queries/teachers.ts

@@ -12,6 +12,7 @@ import type { ClassesResponse } from "@/controllers/classes.ts";
 import type { JoinRequestResponse, JoinRequestsResponse, StudentsResponse } from "@/controllers/students.ts";
 import type { TeacherDTO } from "@dwengo-1/common/interfaces/teacher";
 import { studentJoinRequestQueryKey, studentJoinRequestsQueryKey } from "@/queries/students.ts";
+import type { AssignmentsResponse } from "@/controllers/assignments";
 
 const teacherController = new TeacherController();
 
@@ -28,6 +29,10 @@ function teacherClassesQueryKey(username: string, full: boolean): [string, strin
     return ["teacher-classes", username, full];
 }
 
+function teacherAssignmentsQueryKey(username: string, full: boolean): [string, string, boolean] {
+    return ["teacher-assignments", username, full];
+}
+
 function teacherStudentsQueryKey(username: string, full: boolean): [string, string, boolean] {
     return ["teacher-students", username, full];
 }
@@ -64,6 +69,17 @@ export function useTeacherClassesQuery(
     });
 }
 
+export function useTeacherAssignmentsQuery(
+    username: MaybeRefOrGetter<string | undefined>,
+    full: MaybeRefOrGetter<boolean> = false,
+): UseQueryReturnType<AssignmentsResponse, Error> {
+    return useQuery({
+        queryKey: computed(() => teacherAssignmentsQueryKey(toValue(username)!, toValue(full))),
+        queryFn: async () => teacherController.getAssignments(toValue(username)!, toValue(full)),
+        enabled: () => Boolean(toValue(username)),
+    });
+}
+
 export function useTeacherStudentsQuery(
     username: MaybeRefOrGetter<string | undefined>,
     full: MaybeRefOrGetter<boolean> = false,

frontend/src/router/index.ts

@@ -14,6 +14,8 @@ import UserHomePage from "@/views/homepage/UserHomePage.vue";
 import SingleTheme from "@/views/SingleTheme.vue";
 import LearningObjectView from "@/views/learning-paths/learning-object/LearningObjectView.vue";
 import authService from "@/services/auth/auth-service";
+import DiscussionForward from "@/views/discussions/DiscussionForward.vue";
+import NoDiscussion from "@/views/discussions/NoDiscussion.vue";
 import OwnLearningContentPage from "@/views/own-learning-content/OwnLearningContentPage.vue";
 import { allowRedirect, Redirect } from "@/utils/redirect.ts";
 
@@ -57,12 +59,6 @@ const router = createRouter({
                     name: "UserClasses",
                     component: UserClasses,
                 },
-                // TODO Re-enable this route when the discussion page is ready
-                // {
-                //     Path: "discussion",
-                //     Name: "UserDiscussions",
-                //     Component: UserDiscussions,
-                // },
             ],
         },
 
@@ -102,9 +98,23 @@ const router = createRouter({
             meta: { requiresAuth: true },
         },
         {
-            path: "/discussion/:id",
+            path: "/discussion",
+            name: "Discussions",
+            component: NoDiscussion,
+            meta: { requiresAuth: true },
+        },
+        {
+            path: "/discussion/:hruid/:language/:learningObjectHruid",
             name: "SingleDiscussion",
             component: SingleDiscussion,
+            props: true,
+            meta: { requiresAuth: true },
+        },
+        {
+            path: "/discussion-reload/:hruid/:language/:learningObjectHruid",
+            name: "DiscussionForwardWorkaround",
+            component: DiscussionForward,
+            props: true,
             meta: { requiresAuth: true },
         },
         {

frontend/src/utils/assignment-rules.ts

@@ -1,76 +0,0 @@
-/**
- * Validation rule for the assignment title.
- *
- * Ensures that the title is not empty.
- */
-export const assignmentTitleRules = [
-    (value: string): string | boolean => {
-        if (value?.length >= 1) {
-            return true;
-        } // Title must not be empty
-        return "Title cannot be empty.";
-    },
-];
-
-/**
- * Validation rule for the learning path selection.
- *
- * Ensures that a valid learning path is selected.
- */
-export const learningPathRules = [
-    (value: { hruid: string; title: string }): string | boolean => {
-        if (value && value.hruid) {
-            return true; // Valid if hruid is present
-        }
-        return "You must select a learning path.";
-    },
-];
-
-/**
- * Validation rule for the classes selection.
- *
- * Ensures that at least one class is selected.
- */
-export const classRules = [
-    (value: string): string | boolean => {
-        if (value) {
-            return true;
-        }
-        return "You must select at least one class.";
-    },
-];
-
-/**
- * Validation rule for the deadline field.
- *
- * Ensures that a valid deadline is selected and is in the future.
- */
-export const deadlineRules = [
-    (value: string): string | boolean => {
-        if (!value) {
-            return "You must set a deadline.";
-        }
-
-        const selectedDateTime = new Date(value);
-        const now = new Date();
-
-        if (isNaN(selectedDateTime.getTime())) {
-            return "Invalid date or time.";
-        }
-
-        if (selectedDateTime <= now) {
-            return "The deadline must be in the future.";
-        }
-
-        return true;
-    },
-];
-
-export const descriptionRules = [
-    (value: string): string | boolean => {
-        if (!value || value.trim() === "") {
-            return "Description cannot be empty.";
-        }
-        return true;
-    },
-];

frontend/src/utils/assignment-utils.ts

@@ -0,0 +1,5 @@
+import type { LearningPath } from "@/data-objects/learning-paths/learning-path.ts";
+
+export function calculateProgress(lp: LearningPath): number {
+    return ((lp.amountOfNodes - lp.amountOfNodesLeft) / lp.amountOfNodes) * 100;
+}

frontend/src/views/assignments/CreateAssignment.vue

@@ -1,19 +1,15 @@
 <script setup lang="ts">
     import { useI18n } from "vue-i18n";
     import { computed, onMounted, ref, watch } from "vue";
-    import GroupSelector from "@/components/assignments/GroupSelector.vue";
-    import { assignmentTitleRules, classRules, descriptionRules, learningPathRules } from "@/utils/assignment-rules.ts";
-    import DeadlineSelector from "@/components/assignments/DeadlineSelector.vue";
     import auth from "@/services/auth/auth-service.ts";
     import { useTeacherClassesQuery } from "@/queries/teachers.ts";
-    import { useRouter } from "vue-router";
+    import { useRouter, useRoute } from "vue-router";
     import { useGetAllLearningPaths } from "@/queries/learning-paths.ts";
     import UsingQueryResult from "@/components/UsingQueryResult.vue";
     import type { LearningPath } from "@/data-objects/learning-paths/learning-path.ts";
     import type { ClassesResponse } from "@/controllers/classes.ts";
     import type { AssignmentDTO } from "@dwengo-1/common/interfaces/assignment";
     import { useCreateAssignmentMutation } from "@/queries/assignments.ts";
-    import { useRoute } from "vue-router";
     import { AccountType } from "@dwengo-1/common/util/account-types";
 
     const route = useRoute();
@@ -23,12 +19,9 @@
     const username = ref<string>("");
 
     onMounted(async () => {
-        // Redirect student
         if (role.value === AccountType.Student) {
             await router.push("/user");
         }
-
-        // Get the user's username
         const user = await auth.loadUser();
         username.value = user?.profile?.preferred_username ?? "";
     });
@@ -36,32 +29,25 @@
     const language = computed(() => locale.value);
     const form = ref();
 
-    //Fetch all learning paths
     const learningPathsQueryResults = useGetAllLearningPaths(language);
-
-    // Fetch and store all the teacher's classes
     const classesQueryResults = useTeacherClassesQuery(username, true);
 
     const selectedClass = ref(undefined);
-
     const assignmentTitle = ref("");
-    const selectedLearningPath = ref(route.query.hruid || undefined);
 
-    // Disable combobox when learningPath prop is passed
-    const lpIsSelected = route.query.hruid !== undefined;
-    const deadline = ref(new Date());
-    const description = ref("");
-    const groups = ref<string[][]>([]);
+    const selectedLearningPath = ref<LearningPath | undefined>(undefined);
+    const lpIsSelected = ref(false);
 
-    // New group is added to the list
-    function addGroupToList(students: string[]): void {
-        if (students.length) {
-            groups.value = [...groups.value, students];
+    watch(learningPathsQueryResults.data, (data) => {
+        const hruidFromRoute = route.query.hruid?.toString();
+        if (!hruidFromRoute || !data) return;
+
+        // Verify if the hruid given in the url is valid before accepting it
+        const matchedLP = data.find((lp) => lp.hruid === hruidFromRoute);
+        if (matchedLP) {
+            selectedLearningPath.value = matchedLP;
+            lpIsSelected.value = true;
         }
-    }
-
-    watch(selectedClass, () => {
-        groups.value = [];
     });
 
     const { mutate, data, isSuccess } = useCreateAssignmentMutation();
@@ -76,134 +62,147 @@
         const { valid } = await form.value.validate();
         if (!valid) return;
 
-        let lp = selectedLearningPath.value;
-        if (!lpIsSelected) {
-            lp = selectedLearningPath.value?.hruid;
+        const lp = lpIsSelected.value
+            ? { hruid: route.query.hruid!.toString(), language: language.value }
+            : { hruid: selectedLearningPath.value!.hruid, language: selectedLearningPath.value!.language };
+
+        if (!lp) {
+            return;
         }
 
         const assignmentDTO: AssignmentDTO = {
             id: 0,
             within: selectedClass.value?.id || "",
             title: assignmentTitle.value,
-            description: description.value,
-            learningPath: lp || "",
-            deadline: deadline.value,
-            language: language.value,
-            groups: groups.value,
+            description: "",
+            learningPath: lp.hruid,
+            language: lp.language,
+            deadline: null,
+            groups: [],
         };
 
         mutate({ cid: assignmentDTO.within, data: assignmentDTO });
     }
+
+    const learningPathRules = [
+        (value: LearningPath): string | boolean => {
+            if (lpIsSelected.value) return true;
+
+            if (!value) return t("lp-required");
+
+            const allLPs = learningPathsQueryResults.data.value ?? [];
+            const valid = allLPs.some((lp) => lp.hruid === value?.hruid);
+            return valid || t("lp-invalid");
+        },
+    ];
+
+    const assignmentTitleRules = [
+        (value: string): string | boolean => {
+            if (value?.length >= 1) {
+                return true;
+            } // Title must not be empty
+            return t("title-required");
+        },
+    ];
+
+    const classRules = [
+        (value: string): string | boolean => {
+            if (value) {
+                return true;
+            }
+            return t("class-required");
+        },
+    ];
 </script>
 
 <template>
     <div class="main-container">
         <h1 class="h1">{{ t("new-assignment") }}</h1>
-        <v-card class="form-card">
+
+        <v-card class="form-card elevation-2 pa-6">
             <v-form
                 ref="form"
                 class="form-container"
                 validate-on="submit lazy"
                 @submit.prevent="submitFormHandler"
             >
-                <v-container class="step-container">
-                    <v-card-text>
-                        <v-text-field
-                            v-model="assignmentTitle"
-                            :label="t('title')"
-                            :rules="assignmentTitleRules"
-                            density="compact"
-                            variant="outlined"
-                            clearable
-                            required
-                        ></v-text-field>
-                    </v-card-text>
+                <v-container class="step-container pa-0">
+                    <!-- Title field -->
+                    <v-text-field
+                        v-model="assignmentTitle"
+                        :label="t('title')"
+                        :rules="assignmentTitleRules"
+                        density="comfortable"
+                        variant="solo-filled"
+                        prepend-inner-icon="mdi-format-title"
+                        clearable
+                        required
+                    />
 
+                    <!-- Learning Path keuze -->
                     <using-query-result
                         :query-result="learningPathsQueryResults"
                         v-slot="{ data }: { data: LearningPath[] }"
                     >
-                        <v-card-text>
-                            <v-combobox
-                                v-model="selectedLearningPath"
-                                :items="data"
-                                :label="t('choose-lp')"
-                                :rules="learningPathRules"
-                                variant="outlined"
-                                clearable
-                                hide-details
-                                density="compact"
-                                append-inner-icon="mdi-magnify"
-                                item-title="title"
-                                item-value="hruid"
-                                required
-                                :disabled="lpIsSelected"
-                                :filter="
-                                    (item, query: string) => item.title.toLowerCase().includes(query.toLowerCase())
-                                "
-                            ></v-combobox>
-                        </v-card-text>
+                        <v-combobox
+                            v-model="selectedLearningPath"
+                            :items="data"
+                            :label="t('choose-lp')"
+                            :rules="lpIsSelected ? [] : learningPathRules"
+                            variant="solo-filled"
+                            clearable
+                            item-title="title"
+                            :disabled="lpIsSelected"
+                            return-object
+                        />
                     </using-query-result>
 
+                    <!-- Klas keuze -->
                     <using-query-result
                         :query-result="classesQueryResults"
                         v-slot="{ data }: { data: ClassesResponse }"
                     >
-                        <v-card-text>
-                            <v-combobox
-                                v-model="selectedClass"
-                                :items="data?.classes ?? []"
-                                :label="t('pick-class')"
-                                :rules="classRules"
-                                variant="outlined"
-                                clearable
-                                hide-details
-                                density="compact"
-                                append-inner-icon="mdi-magnify"
-                                item-title="displayName"
-                                item-value="id"
-                                required
-                            ></v-combobox>
-                        </v-card-text>
+                        <v-combobox
+                            v-model="selectedClass"
+                            :items="data?.classes ?? []"
+                            :label="t('pick-class')"
+                            :rules="classRules"
+                            variant="solo-filled"
+                            clearable
+                            density="comfortable"
+                            chips
+                            hide-no-data
+                            hide-selected
+                            item-title="displayName"
+                            item-value="id"
+                            prepend-inner-icon="mdi-account-multiple"
+                        />
                     </using-query-result>
 
-                    <GroupSelector
-                        :classId="selectedClass?.id"
-                        :groups="groups"
-                        @groupCreated="addGroupToList"
-                    />
+                    <!-- Submit & Cancel -->
+                    <v-divider class="my-6" />
 
-                    <!-- Counter for created groups -->
-                    <v-card-text v-if="groups.length">
-                        <strong>Created Groups: {{ groups.length }}</strong>
-                    </v-card-text>
-                    <DeadlineSelector v-model:deadline="deadline" />
-                    <v-card-text>
-                        <v-textarea
-                            v-model="description"
-                            :label="t('description')"
-                            variant="outlined"
-                            density="compact"
-                            auto-grow
-                            rows="3"
-                            :rules="descriptionRules"
-                        ></v-textarea>
-                    </v-card-text>
-                    <v-card-text>
+                    <div class="d-flex justify-end ga-2">
                         <v-btn
-                            class="mt-2"
-                            color="secondary"
+                            color="primary"
                             type="submit"
-                            block
-                            >{{ t("submit") }}
+                            size="small"
+                            prepend-icon="mdi-check-circle"
+                            elevation="1"
+                        >
+                            {{ t("submit") }}
                         </v-btn>
+
                         <v-btn
                             to="/user/assignment"
                             color="grey"
-                            block
-                            >{{ t("cancel") }}
+                            size="small"
+                            variant="text"
+                            prepend-icon="mdi-close-circle"
+                        >
+                            {{ t("cancel") }}
                         </v-btn>
-                    </v-card-text>
+                    </div>
                 </v-container>
             </v-form>
         </v-card>
@@ -215,46 +214,55 @@
         display: flex;
         flex-direction: column;
         align-items: center;
-        justify-content: center;
+        justify-content: start;
+        padding-top: 32px;
         text-align: center;
     }
 
     .form-card {
-        display: flex;
-        flex-direction: column;
-        align-items: center;
-        justify-content: center;
-        width: 55%;
-        /*padding: 1%;*/
+        width: 100%;
+        max-width: 720px;
+        border-radius: 16px;
     }
 
     .form-container {
-        width: 100%;
         display: flex;
         flex-direction: column;
+        gap: 24px;
+        width: 100%;
     }
 
     .step-container {
         display: flex;
-        justify-content: center;
         flex-direction: column;
-        min-height: 200px;
+        gap: 24px;
     }
 
     @media (max-width: 1000px) {
         .form-card {
-            width: 70%;
+            width: 85%;
             padding: 1%;
         }
+    }
 
-        .step-container {
-            min-height: 300px;
+    @media (max-width: 600px) {
+        h1 {
+            font-size: 32px;
+            text-align: center;
+            margin-left: 0;
         }
     }
 
-    @media (max-width: 650px) {
-        .form-card {
-            width: 95%;
+    @media (max-width: 400px) {
+        h1 {
+            font-size: 24px;
+            text-align: center;
+            margin-left: 0;
         }
     }
+
+    .v-card {
+        border: 2px solid #0e6942;
+        border-radius: 12px;
+    }
 </style>

frontend/src/views/assignments/SingleAssignment.vue

@@ -1,13 +1,9 @@
 <script setup lang="ts">
     import auth from "@/services/auth/auth-service.ts";
-    import { computed, type Ref, ref, watchEffect } from "vue";
+    import { computed, ref } from "vue";
     import StudentAssignment from "@/views/assignments/StudentAssignment.vue";
     import TeacherAssignment from "@/views/assignments/TeacherAssignment.vue";
     import { useRoute } from "vue-router";
-    import type { Language } from "@/data-objects/language.ts";
-    import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
-    import type { LearningPath } from "@/data-objects/learning-paths/learning-path.ts";
-    import type { GroupDTO } from "@dwengo-1/common/interfaces/group";
     import { AccountType } from "@dwengo-1/common/util/account-types";
 
     const role = auth.authState.activeRole;
@@ -16,58 +12,18 @@
     const route = useRoute();
     const classId = ref<string>(route.params.classId as string);
     const assignmentId = ref(Number(route.params.id));
-
-    function useGroupsWithProgress(
-        groups: Ref<GroupDTO[]>,
-        hruid: Ref<string>,
-        language: Ref<string>,
-    ): { groupProgressMap: Map<number, number> } {
-        const groupProgressMap: Map<number, number> = new Map<number, number>();
-
-        watchEffect(() => {
-            // Clear existing entries to avoid stale data
-            groupProgressMap.clear();
-
-            const lang = ref(language.value as Language);
-
-            groups.value.forEach((group) => {
-                const groupKey = group.groupNumber;
-                const forGroup = ref({
-                    forGroup: groupKey,
-                    assignmentNo: assignmentId,
-                    classId: classId,
-                });
-
-                const query = useGetLearningPathQuery(hruid.value, lang, forGroup);
-
-                const data = query.data.value;
-
-                groupProgressMap.set(groupKey, data ? calculateProgress(data) : 0);
-            });
-        });
-
-        return {
-            groupProgressMap,
-        };
-    }
-
-    function calculateProgress(lp: LearningPath): number {
-        return ((lp.amountOfNodes - lp.amountOfNodesLeft) / lp.amountOfNodes) * 100;
-    }
 </script>
 
 <template>
     <TeacherAssignment
         :class-id="classId"
         :assignment-id="assignmentId"
-        :use-groups-with-progress="useGroupsWithProgress"
         v-if="isTeacher"
     >
     </TeacherAssignment>
     <StudentAssignment
         :class-id="classId"
         :assignment-id="assignmentId"
-        :use-groups-with-progress="useGroupsWithProgress"
         v-else
     >
     </StudentAssignment>

frontend/src/views/assignments/StudentAssignment.vue

@@ -1,28 +1,26 @@
 <script setup lang="ts">
-    import { ref, computed, type Ref } from "vue";
+    import { computed, type ComputedRef, ref, watchEffect } from "vue";
     import auth from "@/services/auth/auth-service.ts";
     import { useI18n } from "vue-i18n";
-    import { useAssignmentQuery } from "@/queries/assignments.ts";
     import UsingQueryResult from "@/components/UsingQueryResult.vue";
-    import type { AssignmentResponse } from "@/controllers/assignments.ts";
     import { asyncComputed } from "@vueuse/core";
     import { useStudentsByUsernamesQuery } from "@/queries/students.ts";
-    import { useGroupsQuery } from "@/queries/groups.ts";
     import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
     import type { Language } from "@/data-objects/language.ts";
+    import { calculateProgress } from "@/utils/assignment-utils.ts";
+    import type { LearningPath } from "@/data-objects/learning-paths/learning-path.ts";
     import type { GroupDTO } from "@dwengo-1/common/interfaces/group";
+    import { useAssignmentQuery } from "@/queries/assignments.ts";
+    import type { AssignmentDTO } from "@dwengo-1/common/interfaces/assignment";
+    import type { StudentDTO } from "@dwengo-1/common/interfaces/student";
 
     const props = defineProps<{
         classId: string;
         assignmentId: number;
-        useGroupsWithProgress: (
-            groups: Ref<GroupDTO[]>,
-            hruid: Ref<string>,
-            language: Ref<Language>,
-        ) => { groupProgressMap: Map<number, number> };
     }>();
 
     const { t } = useI18n();
+    const lang = ref();
     const learningPath = ref();
     // Get the user's username/id
     const username = asyncComputed(async () => {
@@ -30,45 +28,62 @@
         return user?.profile?.preferred_username ?? undefined;
     });
 
-    const assignmentQueryResult = useAssignmentQuery(() => props.classId, props.assignmentId);
-    learningPath.value = assignmentQueryResult.data.value?.assignment?.learningPath;
+    const assignmentQueryResult = useAssignmentQuery(props.classId, props.assignmentId);
 
-    const submitted = ref(false); //TODO: update by fetching submissions and check if group submitted
+    const assignment: ComputedRef<AssignmentDTO | undefined> = computed(
+        () => assignmentQueryResult.data.value?.assignment,
+    );
+
+    learningPath.value = assignment.value?.learningPath;
+
+    const group = computed(() => {
+        const groups = assignment.value?.groups as GroupDTO[];
+
+        if (!groups) return undefined;
+
+        // To "normalize" the group numbers, sort the groups and then renumber them
+        const renumbered = [...groups]
+            .sort((a, b) => a.groupNumber - b.groupNumber)
+            .map((group, index) => ({ ...group, groupNo: index + 1 }));
+        return renumbered.find((group) => group.members?.some((m) => (m as StudentDTO).username === username.value));
+    });
+
+    watchEffect(() => {
+        learningPath.value = assignment.value?.learningPath;
+        lang.value = assignment.value?.language as Language;
+    });
+
+    const learningPathParams = computed(() => {
+        if (!group.value || !learningPath.value || !lang.value) return undefined;
+
+        return {
+            forGroup: group.value.groupNumber,
+            assignmentNo: props.assignmentId,
+            classId: props.classId,
+        };
+    });
 
     const lpQueryResult = useGetLearningPathQuery(
-        computed(() => assignmentQueryResult.data.value?.assignment?.learningPath ?? ""),
-        computed(() => assignmentQueryResult.data.value?.assignment.language as Language),
+        () => learningPath.value,
+        () => lang.value,
+        () => learningPathParams.value,
     );
 
-    const groupsQueryResult = useGroupsQuery(props.classId, props.assignmentId, true);
-    const group = computed(() =>
-        groupsQueryResult?.data.value?.groups.find((group) =>
-            group.members?.some((m) => m.username === username.value),
-        ),
-    );
+    const progressColor = computed(() => {
+        const progress = calculateProgress(lpQueryResult.data.value as LearningPath);
+        if (progress >= 100) return "success";
+        if (progress >= 50) return "warning";
+        return "error";
+    });
 
-    const _groupArray = computed(() => (group.value ? [group.value] : []));
-    const progressValue = ref(0);
-    /* Crashes right now cause api data has inexistent hruid TODO: uncomment later and use it in progress bar
-Const {groupProgressMap} = props.useGroupsWithProgress(
-groupArray,
-learningPath,
-language
-);
-*/
-
-    // Assuming group.value.members is a list of usernames TODO: case when it's StudentDTO's
-    const studentQueries = useStudentsByUsernamesQuery(() => group.value?.members as string[]);
+    const studentQueries = useStudentsByUsernamesQuery(() => (group.value?.members as string[]) ?? undefined);
 </script>
 
 <template>
     <div class="container">
-        <using-query-result
-            :query-result="assignmentQueryResult"
-            v-slot="{ data }: { data: AssignmentResponse }"
-        >
+        <using-query-result :query-result="assignmentQueryResult">
             <v-card
-                v-if="data"
+                v-if="assignment"
                 class="assignment-card"
             >
                 <div class="top-buttons">
@@ -80,17 +95,8 @@ language
                     >
                         <v-icon>mdi-arrow-left</v-icon>
                     </v-btn>
-
-                    <v-chip
-                        v-if="submitted"
-                        class="ma-2 top-right-btn"
-                        label
-                        color="success"
-                    >
-                        {{ t("submitted") }}
-                    </v-chip>
                 </div>
-                <v-card-title class="text-h4 assignmentTopTitle">{{ data.assignment.title }}</v-card-title>
+                <v-card-title class="text-h4 assignmentTopTitle">{{ assignment.title }} </v-card-title>
 
                 <v-card-subtitle class="subtitle-section">
                     <using-query-result
@@ -99,7 +105,12 @@ language
                     >
                         <v-btn
                             v-if="lpData"
-                            :to="`/learningPath/${lpData.hruid}/${assignmentQueryResult.data.value?.assignment.language}/${lpData.startNode.learningobjectHruid}?forGroup=${group?.groupNumber}&assignmentNo=${assignmentId}&classId=${classId}`"
+                            :to="
+                                group
+                                    ? `/learningPath/${lpData.hruid}/${assignment.language}/${lpData.startNode.learningobjectHruid}?forGroup=${group.groupNumber}&assignmentNo=${assignment.id}&classId=${assignment.within}`
+                                    : undefined
+                            "
+                            :disabled="!group"
                             variant="tonal"
                             color="primary"
                         >
@@ -109,20 +120,19 @@ language
                 </v-card-subtitle>
 
                 <v-card-text class="description">
-                    {{ data.assignment.description }}
+                    {{ assignment.description }}
                 </v-card-text>
                 <v-card-text>
-                    <v-row
-                        align="center"
-                        no-gutters
-                    >
-                        <v-col cols="auto">
-                            <span class="progress-label">{{ t("progress") + ": " }}</span>
-                        </v-col>
-                        <v-col>
+                    <v-card-text>
+                        <h3 class="mb-2">{{ t("progress") }}</h3>
+                        <using-query-result
+                            :query-result="lpQueryResult"
+                            v-slot="{ data: learningPData }"
+                        >
                             <v-progress-linear
-                                :model-value="progressValue"
-                                color="primary"
+                                v-if="group"
+                                :model-value="calculateProgress(learningPData)"
+                                :color="progressColor"
                                 height="20"
                                 class="progress-bar"
                             >
@@ -130,16 +140,20 @@ language
                                     <strong>{{ Math.ceil(value) }}%</strong>
                                 </template>
                             </v-progress-linear>
-                        </v-col>
-                    </v-row>
+                        </using-query-result>
+                    </v-card-text>
                 </v-card-text>
 
-                <v-card-text class="group-section">
-                    <h3>{{ t("group") }}</h3>
-                    <div v-if="studentQueries">
+                <v-card-text
+                    class="group-section"
+                    v-if="group && studentQueries"
+                >
+                    <h3>{{ `${t("group")} ${group.groupNo}` }}</h3>
+
+                    <div>
                         <ul>
                             <li
-                                v-for="student in group?.members"
+                                v-for="student in group.members"
                                 :key="student.username"
                             >
                                 {{ student.firstName + " " + student.lastName }}
@@ -147,6 +161,21 @@ language
                         </ul>
                     </div>
                 </v-card-text>
+                <v-card-text
+                    class="group-section"
+                    v-else
+                >
+                    <h3>{{ t("group") }}</h3>
+                    <div>
+                        <v-alert class="empty-message">
+                            <v-icon
+                                icon="mdi-information-outline"
+                                size="small"
+                            />
+                            {{ t("currently-no-groups") }}
+                        </v-alert>
+                    </div>
+                </v-card-text>
             </v-card>
         </using-query-result>
     </div>
@@ -155,11 +184,6 @@ language
 <style scoped>
     @import "@/assets/assignment.css";
 
-    .progress-label {
-        font-weight: bold;
-        margin-right: 5px;
-    }
-
     .progress-bar {
         width: 40%;
     }

frontend/src/views/assignments/TeacherAssignment.vue

@@ -1,224 +1,494 @@
 <script setup lang="ts">
-    import { computed, type Ref, ref } from "vue";
+    import { computed, ref, watchEffect } from "vue";
     import { useI18n } from "vue-i18n";
-    import { useAssignmentQuery, useDeleteAssignmentMutation } from "@/queries/assignments.ts";
+    import {
+        useAssignmentQuery,
+        useDeleteAssignmentMutation,
+        useUpdateAssignmentMutation,
+    } from "@/queries/assignments.ts";
     import UsingQueryResult from "@/components/UsingQueryResult.vue";
     import { useGroupsQuery } from "@/queries/groups.ts";
     import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
     import type { Language } from "@/data-objects/language.ts";
     import type { AssignmentResponse } from "@/controllers/assignments.ts";
-    import type { GroupDTO } from "@dwengo-1/common/interfaces/group";
+    import type { GroupDTO, GroupDTOId } from "@dwengo-1/common/interfaces/group";
+    import GroupSubmissionStatus from "@/components/GroupSubmissionStatus.vue";
+    import GroupProgressRow from "@/components/GroupProgressRow.vue";
+    import type { AssignmentDTO } from "@dwengo-1/common/interfaces/assignment";
+    import GroupSelector from "@/components/assignments/GroupSelector.vue";
+    import DeadlineSelector from "@/components/assignments/DeadlineSelector.vue";
 
     const props = defineProps<{
         classId: string;
         assignmentId: number;
-        useGroupsWithProgress: (
-            groups: Ref<GroupDTO[]>,
-            hruid: Ref<string>,
-            language: Ref<Language>,
-        ) => { groupProgressMap: Map<number, number> };
     }>();
 
+    const isEditing = ref(false);
+
     const { t } = useI18n();
-    const groups = ref();
+    const lang = ref();
+    const groups = ref<GroupDTO[] | GroupDTOId[]>([]);
     const learningPath = ref();
+    const form = ref();
+
+    const editingLearningPath = ref(learningPath);
+    const description = ref("");
+    const deadline = ref<Date | null>(null);
+    const editGroups = ref(false);
 
     const assignmentQueryResult = useAssignmentQuery(() => props.classId, props.assignmentId);
-    learningPath.value = assignmentQueryResult.data.value?.assignment?.learningPath;
     // Get learning path object
     const lpQueryResult = useGetLearningPathQuery(
         computed(() => assignmentQueryResult.data.value?.assignment?.learningPath ?? ""),
-        computed(() => assignmentQueryResult.data.value?.assignment.language as Language),
+        computed(() => assignmentQueryResult.data.value?.assignment?.language as Language),
     );
 
     // Get all the groups withing the assignment
     const groupsQueryResult = useGroupsQuery(props.classId, props.assignmentId, true);
-    groups.value = groupsQueryResult.data.value?.groups;
+    groups.value = groupsQueryResult.data.value?.groups ?? [];
 
-    /* Crashes right now cause api data has inexistent hruid TODO: uncomment later and use it in progress bar
-Const {groupProgressMap} = props.useGroupsWithProgress(
-groups,
-learningPath,
-language
-);
-*/
+    watchEffect(() => {
+        const assignment = assignmentQueryResult.data.value?.assignment;
+        if (assignment) {
+            learningPath.value = assignment.learningPath;
+            lang.value = assignment.language as Language;
+            deadline.value = assignment.deadline ? new Date(assignment.deadline) : null;
+
+            if (lpQueryResult.data.value) {
+                editingLearningPath.value = lpQueryResult.data.value;
+            }
+        }
+    });
+
+    const hasSubmissions = ref<boolean>(false);
 
     const allGroups = computed(() => {
         const groups = groupsQueryResult.data.value?.groups;
+
         if (!groups) return [];
 
-        return groups.map((group) => ({
-            name: `${t("group")} ${group.groupNumber}`,
-            progress: 0, //GroupProgressMap[group.groupNumber],
+        // Sort by original groupNumber
+        const sortedGroups = [...groups].sort((a, b) => a.groupNumber - b.groupNumber);
+
+        // Assign new sequential numbers starting from 1
+        return sortedGroups.map((group, index) => ({
+            groupNo: index + 1, // New group number that will be used
+            name: `${t("group")} ${index + 1}`,
             members: group.members,
-            submitted: false, //TODO: fetch from submission
+            originalGroupNo: group.groupNumber,
         }));
     });
 
     const dialog = ref(false);
     const selectedGroup = ref({});
 
-    function openGroupDetails(group): void {
+    function openGroupDetails(group: object): void {
         selectedGroup.value = group;
         dialog.value = true;
     }
 
-    const headers = computed(() => [
-        { title: t("group"), align: "start", key: "name" },
-        { title: t("progress"), align: "center", key: "progress" },
-        { title: t("submission"), align: "center", key: "submission" },
-    ]);
+    const snackbar = ref({
+        visible: false,
+        message: "",
+        color: "success",
+    });
 
-    const { mutate } = useDeleteAssignmentMutation();
+    function showSnackbar(message: string, color: string): void {
+        snackbar.value.message = message;
+        snackbar.value.color = color;
+        snackbar.value.visible = true;
+    }
 
+    const deleteAssignmentMutation = useDeleteAssignmentMutation();
     async function deleteAssignment(num: number, clsId: string): Promise<void> {
-        mutate(
+        deleteAssignmentMutation.mutate(
             { cid: clsId, an: num },
             {
                 onSuccess: () => {
                     window.location.href = "/user/assignment";
                 },
+                onError: (e) => {
+                    showSnackbar(t("failed") + ": " + e.response.data.error || e.message, "error");
+                },
             },
         );
     }
+
+    function goToLearningPathLink(): string | undefined {
+        const assignment = assignmentQueryResult.data.value?.assignment;
+        const lp = lpQueryResult.data.value;
+
+        if (!assignment || !lp) return undefined;
+
+        return `/learningPath/${lp.hruid}/${assignment.language}/${lp.startNode.learningobjectHruid}?assignmentNo=${props.assignmentId}&classId=${props.classId}`;
+    }
+
+    function goToGroupSubmissionLink(groupNo: number): string | undefined {
+        const lp = lpQueryResult.data.value;
+        if (!lp) return undefined;
+
+        return `/learningPath/${lp.hruid}/${lp.language}/${lp.startNode.learningobjectHruid}?forGroup=${groupNo}&assignmentNo=${props.assignmentId}&classId=${props.classId}`;
+    }
+
+    const updateAssignmentMutate = useUpdateAssignmentMutation();
+
+    function updateAssignment(assignmentDTO): void {
+        updateAssignmentMutate.mutate(
+            {
+                cid: assignmentQueryResult.data.value?.assignment.within,
+                an: assignmentQueryResult.data.value?.assignment.id,
+                data: assignmentDTO,
+            },
+            {
+                onSuccess: async (newData) => {
+                    if (newData?.assignment) {
+                        await assignmentQueryResult.refetch();
+                    }
+                },
+                onError: (err: any) => {
+                    const message = err.response?.data?.error || err.message || t("unknownError");
+                    showSnackbar(t("failed") + ": " + message, "error");
+                },
+            },
+        );
+    }
+
+    async function saveChanges(): Promise<void> {
+        const { valid } = await form.value.validate();
+        if (!valid) return;
+
+        isEditing.value = false;
+
+        const assignmentDTO: AssignmentDTO = {
+            description: description.value,
+            deadline: deadline.value ?? null,
+        };
+
+        updateAssignment(assignmentDTO);
+    }
+
+    async function handleGroupsUpdated(updatedGroups: string[][]): Promise<void> {
+        const assignmentDTO: AssignmentDTO = {
+            groups: updatedGroups,
+        };
+        updateAssignment(assignmentDTO);
+    }
 </script>
 
 <template>
     <div class="container">
         <using-query-result
             :query-result="assignmentQueryResult"
-            v-slot="{ data }: { data: AssignmentResponse }"
+            v-slot="assignmentResponse: { data: AssignmentResponse }"
         >
-            <v-card
-                v-if="data"
-                class="assignment-card"
+            <v-container
+                fluid
+                class="ma-4"
             >
-                <div class="top-buttons">
-                    <v-btn
-                        icon
-                        variant="text"
-                        class="back-btn"
-                        to="/user/assignment"
+                <v-row
+                    no-gutters
+                    class="custom-breakpoint"
+                >
+                    <v-col
+                        cols="12"
+                        sm="6"
+                        md="6"
+                        class="responsive-col"
                     >
-                        <v-icon>mdi-arrow-left</v-icon>
-                    </v-btn>
-
-                    <v-btn
-                        icon
-                        variant="text"
-                        class="top-right-btn"
-                        @click="deleteAssignment(data.assignment.id, data.assignment.within)"
-                    >
-                        <v-icon>mdi-delete</v-icon>
-                    </v-btn>
-                </div>
-                <v-card-title class="text-h4 assignmentTopTitle">{{ data.assignment.title }}</v-card-title>
-                <v-card-subtitle class="subtitle-section">
-                    <using-query-result
-                        :query-result="lpQueryResult"
-                        v-slot="{ data: lpData }"
-                    >
-                        <v-btn
-                            v-if="lpData"
-                            :to="`/learningPath/${lpData.hruid}/${assignmentQueryResult.data.value?.assignment.language}/${lpData.startNode.learningobjectHruid}?assignmentNo=${assignmentId}&classId=${classId}`"
-                            variant="tonal"
-                            color="primary"
+                        <v-form
+                            ref="form"
+                            validate-on="submit lazy"
+                            @submit.prevent="saveChanges"
                         >
-                            {{ t("learning-path") }}
-                        </v-btn>
-                    </using-query-result>
-                </v-card-subtitle>
+                            <v-card
+                                v-if="assignmentResponse"
+                                class="assignment-card-teacher"
+                            >
+                                <div class="top-buttons">
+                                    <div class="top-buttons-wrapper">
+                                        <v-btn
+                                            icon
+                                            variant="text"
+                                            class="back-btn"
+                                            to="/user/assignment"
+                                        >
+                                            <v-icon>mdi-arrow-left</v-icon>
+                                        </v-btn>
+                                        <div class="right-buttons">
+                                            <v-btn
+                                                v-if="!isEditing"
+                                                icon
+                                                variant="text"
+                                                class="top_next_to_right_button"
+                                                @click="
+                                                    () => {
+                                                        isEditing = true;
+                                                        description = assignmentResponse.data.assignment.description;
+                                                    }
+                                                "
+                                            >
+                                                <v-icon>mdi-pencil</v-icon>
+                                            </v-btn>
+                                            <v-btn
+                                                v-else
+                                                variant="text"
+                                                class="top-right-btn"
+                                                @click="
+                                                    () => {
+                                                        isEditing = false;
+                                                        editingLearningPath = learningPath;
+                                                    }
+                                                "
+                                                >{{ t("cancel") }}
+                                            </v-btn>
 
-                <v-card-text class="description">
-                    {{ data.assignment.description }}
-                </v-card-text>
+                                            <v-btn
+                                                v-if="!isEditing"
+                                                icon
+                                                variant="text"
+                                                class="top-right-btn"
+                                                @click="
+                                                    deleteAssignment(
+                                                        assignmentResponse.data.assignment.id,
+                                                        assignmentResponse.data.assignment.within,
+                                                    )
+                                                "
+                                            >
+                                                <v-icon>mdi-delete</v-icon>
+                                            </v-btn>
+                                            <v-btn
+                                                v-else
+                                                icon
+                                                variant="text"
+                                                class="top_next_to_right_button"
+                                                @click="saveChanges"
+                                            >
+                                                <v-icon>mdi-content-save-edit-outline</v-icon>
+                                            </v-btn>
+                                        </div>
+                                    </div>
+                                </div>
+                                <v-card-title class="text-h4 assignmentTopTitle"
+                                    >{{ assignmentResponse.data.assignment.title }}
+                                </v-card-title>
+                                <v-card-subtitle class="subtitle-section">
+                                    <using-query-result
+                                        :query-result="lpQueryResult"
+                                        v-slot="{ data: lpData }"
+                                    >
+                                        <v-btn
+                                            v-if="lpData"
+                                            :to="goToLearningPathLink()"
+                                            variant="tonal"
+                                            color="primary"
+                                            :disabled="isEditing"
+                                        >
+                                            {{ t("learning-path") }}
+                                        </v-btn>
+                                        <v-alert
+                                            v-else
+                                            type="info"
+                                        >
+                                            {{ t("no-learning-path-selected") }}
+                                        </v-alert>
+                                    </using-query-result>
+                                </v-card-subtitle>
+                                <v-card-text v-if="isEditing">
+                                    <deadline-selector v-model:deadline="deadline" />
+                                </v-card-text>
+                                <v-card-text
+                                    v-if="!isEditing"
+                                    class="description"
+                                >
+                                    {{ assignmentResponse.data.assignment.description }}
+                                </v-card-text>
+                                <v-card-text v-else>
+                                    <v-textarea
+                                        v-model="description"
+                                        :label="t('description')"
+                                        variant="outlined"
+                                        density="compact"
+                                        auto-grow
+                                        rows="3"
+                                    ></v-textarea>
+                                </v-card-text>
+                            </v-card>
+                        </v-form>
 
-                <v-card-text class="group-section">
-                    <h3>{{ t("groups") }}</h3>
-                    <div class="table-scroll">
-                        <v-data-table
-                            :headers="headers"
-                            :items="allGroups"
-                            item-key="id"
-                            class="elevation-1"
+                        <!-- A pop up to show group members -->
+                        <v-dialog
+                            v-model="dialog"
+                            max-width="600"
+                            persistent
                         >
-                            <template #[`item.name`]="{ item }">
-                                <v-btn
-                                    @click="openGroupDetails(item)"
-                                    variant="text"
-                                    color="primary"
-                                >
-                                    {{ item.name }}
-                                </v-btn>
-                            </template>
+                            <v-card class="pa-4 rounded-xl elevation-6 group-members-dialog">
+                                <v-card-title class="text-h6 font-weight-bold">
+                                    {{ t("members") }}
+                                </v-card-title>
 
-                            <template #[`item.progress`]="{ item }">
-                                <v-progress-linear
-                                    :model-value="item.progress"
-                                    color="blue-grey"
-                                    height="25"
-                                >
-                                    <template v-slot:default="{ value }">
-                                        <strong>{{ Math.ceil(value) }}%</strong>
-                                    </template>
-                                </v-progress-linear>
-                            </template>
+                                <v-divider class="my-2" />
 
-                            <template #[`item.submission`]="{ item }">
-                                <v-btn
-                                    :to="item.submitted ? `${props.assignmentId}/submissions/` : undefined"
-                                    :color="item.submitted ? 'green' : 'red'"
-                                    variant="text"
-                                    class="text-capitalize"
-                                >
-                                    {{ item.submitted ? t("see-submission") : t("no-submission") }}
-                                </v-btn>
-                            </template>
-                        </v-data-table>
-                    </div>
-                </v-card-text>
+                                <v-card-text>
+                                    <v-list>
+                                        <v-list-item
+                                            v-for="(member, index) in selectedGroup.members"
+                                            :key="index"
+                                            class="py-2"
+                                        >
+                                            <v-list-item-content>
+                                                <v-list-item-title class="text-body-1">
+                                                    {{ member.firstName }} {{ member.lastName }}
+                                                </v-list-item-title>
+                                            </v-list-item-content>
+                                        </v-list-item>
+                                    </v-list>
+                                </v-card-text>
 
+                                <v-divider class="my-2" />
+
+                                <v-card-actions class="justify-end">
+                                    <v-btn
+                                        color="primary"
+                                        variant="outlined"
+                                        @click="dialog = false"
+                                        prepend-icon="mdi-close-circle"
+                                    >
+                                        {{ t("close") }}
+                                    </v-btn>
+                                </v-card-actions>
+                            </v-card>
+                        </v-dialog>
+                    </v-col>
+
+                    <!-- The second column of the screen -->
+                    <v-col
+                        cols="12"
+                        sm="6"
+                        md="6"
+                        class="responsive-col"
+                    >
+                        <div class="table-container">
+                            <v-table class="table">
+                                <thead>
+                                    <tr>
+                                        <th class="header">{{ t("group") }}</th>
+                                        <th class="header">{{ t("progress") }}</th>
+                                        <th class="header">{{ t("submission") }}</th>
+                                        <th class="header">
+                                            <v-btn
+                                                @click="editGroups = true"
+                                                variant="text"
+                                                :disabled="hasSubmissions"
+                                            >
+                                                <v-icon>mdi-pencil</v-icon>
+                                            </v-btn>
+                                        </th>
+                                    </tr>
+                                </thead>
+                                <tbody v-if="allGroups.length > 0">
+                                    <tr
+                                        v-for="g in allGroups"
+                                        :key="g.originalGroupNo"
+                                    >
+                                        <td>
+                                            <v-btn variant="text">
+                                                {{ g.name }}
+                                            </v-btn>
+                                        </td>
+
+                                        <td>
+                                            <GroupProgressRow
+                                                :group-number="g.originalGroupNo"
+                                                :learning-path="learningPath.hruid"
+                                                :language="lang"
+                                                :assignment-id="assignmentId"
+                                                :class-id="classId"
+                                            />
+                                        </td>
+
+                                        <td>
+                                            <GroupSubmissionStatus
+                                                :learning-path-hruid="learningPath.hruid"
+                                                :language="lang"
+                                                :group="g"
+                                                :assignment-id="assignmentId"
+                                                :class-id="classId"
+                                                :go-to-group-submission-link="goToGroupSubmissionLink"
+                                                @update:hasSubmission="
+                                                    (hasSubmission) =>
+                                                        (hasSubmissions = hasSubmissions || hasSubmission)
+                                                "
+                                            />
+                                        </td>
+
+                                        <!-- Edit icon -->
+                                        <td>
+                                            <v-btn
+                                                @click="openGroupDetails(g)"
+                                                variant="text"
+                                            >
+                                                <v-icon>mdi-eye</v-icon>
+                                            </v-btn>
+                                        </td>
+                                    </tr>
+                                </tbody>
+                                <template v-else>
+                                    <tbody>
+                                        <tr>
+                                            <td
+                                                colspan="4"
+                                                class="empty-message"
+                                            >
+                                                <v-icon
+                                                    icon="mdi-information-outline"
+                                                    size="small"
+                                                />
+                                                {{ t("currently-no-groups") }}
+                                            </td>
+                                        </tr>
+                                    </tbody>
+                                </template>
+                            </v-table>
+                        </div>
+                    </v-col>
+                </v-row>
                 <v-dialog
-                    v-model="dialog"
-                    max-width="50%"
+                    v-model="editGroups"
+                    max-width="800"
+                    persistent
                 >
                     <v-card>
-                        <v-card-title class="headline">{{ t("members") }}</v-card-title>
                         <v-card-text>
-                            <v-list>
-                                <v-list-item
-                                    v-for="(member, index) in selectedGroup.members"
-                                    :key="index"
-                                >
-                                    <v-list-item-content>
-                                        <v-list-item-title
-                                            >{{ member.firstName + " " + member.lastName }}
-                                        </v-list-item-title>
-                                    </v-list-item-content>
-                                </v-list-item>
-                            </v-list>
+                            <GroupSelector
+                                :groups="allGroups"
+                                :class-id="props.classId"
+                                :assignment-id="props.assignmentId"
+                                @groupsUpdated="handleGroupsUpdated"
+                                @close="editGroups = false"
+                            />
                         </v-card-text>
+
+                        <v-divider></v-divider>
+
                         <v-card-actions>
+                            <v-spacer></v-spacer>
                             <v-btn
-                                color="primary"
-                                @click="dialog = false"
-                                >Close
+                                text
+                                @click="editGroups = false"
+                            >
+                                {{ t("cancel") }}
                             </v-btn>
                         </v-card-actions>
                     </v-card>
                 </v-dialog>
-                <!--
-                <v-card-actions class="justify-end">
-                    <v-btn
-                        size="large"
-                        color="success"
-                        variant="text"
-                    >
-                        {{ t("view-submissions") }}
-                    </v-btn>
-                </v-card-actions>
-                -->
-            </v-card>
+            </v-container>
+            <v-snackbar
+                v-model="snackbar.visible"
+                :color="snackbar.color"
+                timeout="3000"
+            >
+                {{ snackbar.message }}
+            </v-snackbar>
         </using-query-result>
     </div>
 </template>
@@ -226,8 +496,130 @@ language
 <style scoped>
     @import "@/assets/assignment.css";
 
+    .assignment-card-teacher {
+        width: 80%;
+        padding: 2%;
+        border-radius: 12px;
+    }
+
     .table-scroll {
         overflow-x: auto;
         -webkit-overflow-scrolling: touch;
     }
+
+    .header {
+        font-weight: bold;
+        background-color: #0e6942;
+        color: white;
+        padding: 5px;
+    }
+
+    table thead th:first-child {
+        border-top-left-radius: 10px;
+    }
+
+    .table thead th:last-child {
+        border-top-right-radius: 10px;
+    }
+
+    .table tbody tr:nth-child(odd) {
+        background-color: white;
+    }
+
+    .table tbody tr:nth-child(even) {
+        background-color: #f6faf2;
+    }
+
+    td,
+    th {
+        border-bottom: 1px solid #0e6942;
+        border-top: 1px solid #0e6942;
+    }
+
+    h1 {
+        color: #0e6942;
+        text-transform: uppercase;
+        font-weight: bolder;
+        padding-top: 2%;
+        font-size: 50px;
+    }
+
+    h2 {
+        color: #0e6942;
+        font-size: 30px;
+    }
+
+    .link {
+        color: #0b75bb;
+        text-decoration: underline;
+    }
+
+    main {
+        margin-left: 30px;
+    }
+
+    .table-container {
+        width: 100%;
+        overflow-x: visible;
+    }
+
+    .table {
+        width: 100%;
+        min-width: auto;
+        table-layout: auto;
+    }
+
+    @media screen and (max-width: 1200px) {
+        h1 {
+            text-align: center;
+            padding-left: 0;
+        }
+
+        .join {
+            text-align: center;
+            align-items: center;
+            margin-left: 0;
+        }
+
+        .sheet {
+            width: 90%;
+        }
+
+        main {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            margin: 5px;
+        }
+
+        .custom-breakpoint {
+            flex-direction: column !important;
+        }
+
+        .table {
+            width: 100%;
+            display: block;
+            overflow-x: auto;
+        }
+
+        .table-container {
+            overflow-x: auto;
+        }
+
+        .responsive-col {
+            max-width: 100% !important;
+            flex-basis: 100% !important;
+        }
+
+        .assignment-card-teacher {
+            width: 100%;
+            border-radius: 12px;
+        }
+    }
+
+    .group-members-dialog {
+        max-height: 80vh;
+        overflow-y: auto;
+    }
 </style>

frontend/src/views/assignments/UserAssignments.vue

@@ -1,75 +1,79 @@
 <script setup lang="ts">
-    import { ref, computed, onMounted, watch } from "vue";
+    import { ref, computed, onMounted } from "vue";
     import { useI18n } from "vue-i18n";
     import { useRouter } from "vue-router";
+    import authState from "@/services/auth/auth-service.ts";
     import auth from "@/services/auth/auth-service.ts";
-    import { useTeacherClassesQuery } from "@/queries/teachers.ts";
-    import { useStudentClassesQuery } from "@/queries/students.ts";
-    import { ClassController } from "@/controllers/classes.ts";
-    import type { ClassDTO } from "@dwengo-1/common/interfaces/class";
-    import { asyncComputed } from "@vueuse/core";
+    import { useTeacherAssignmentsQuery, useTeacherClassesQuery } from "@/queries/teachers.ts";
+    import { useStudentAssignmentsQuery, useStudentClassesQuery } from "@/queries/students.ts";
     import { useDeleteAssignmentMutation } from "@/queries/assignments.ts";
-    import { AccountType } from "@dwengo-1/common/util/account-types";
-    import "../../assets/common.css";
+    import UsingQueryResult from "@/components/UsingQueryResult.vue";
 
     const { t, locale } = useI18n();
     const router = useRouter();
 
     const role = ref(auth.authState.activeRole);
-    const username = ref<string>("");
+    const isTeacher = computed(() => role.value === "teacher");
+    const username = ref<string | undefined>(undefined);
+    const isLoading = ref(false);
+    const isError = ref(false);
+    const errorMessage = ref<string>("");
 
-    const isTeacher = computed(() => role.value === AccountType.Teacher);
+    // Load current user before rendering the page
+    onMounted(async () => {
+        isLoading.value = true;
+        try {
+            const userObject = await authState.loadUser();
+            username.value = userObject!.profile.preferred_username;
+        } catch (error) {
+            isError.value = true;
+            errorMessage.value = error instanceof Error ? error.message : String(error);
+        } finally {
+            isLoading.value = false;
+        }
+    });
 
-    // Fetch and store all the teacher's classes
-    let classesQueryResults = undefined;
+    const classesQueryResult = isTeacher.value
+        ? useTeacherClassesQuery(username, true)
+        : useStudentClassesQuery(username, true);
 
-    if (isTeacher.value) {
-        classesQueryResults = useTeacherClassesQuery(username, true);
-    } else {
-        classesQueryResults = useStudentClassesQuery(username, true);
-    }
+    const assignmentsQueryResult = isTeacher.value
+        ? useTeacherAssignmentsQuery(username, true)
+        : useStudentAssignmentsQuery(username, true);
 
-    const classController = new ClassController();
+    const allAssignments = computed(() => {
+        const assignments = assignmentsQueryResult.data.value?.assignments;
+        if (!assignments) return [];
 
-    const assignments = asyncComputed(
-        async () => {
-            const classes = classesQueryResults?.data?.value?.classes;
-            if (!classes) return [];
+        const classes = classesQueryResult.data.value?.classes;
+        if (!classes) return [];
 
-            const result = await Promise.all(
-                (classes as ClassDTO[]).map(async (cls) => {
-                    const { assignments } = await classController.getAssignments(cls.id);
-                    return assignments.map((a) => ({
-                        id: a.id,
-                        class: cls,
-                        title: a.title,
-                        description: a.description,
-                        learningPath: a.learningPath,
-                        language: a.language,
-                        deadline: a.deadline,
-                        groups: a.groups,
-                    }));
-                }),
-            );
+        const result = assignments.map((a) => ({
+            id: a.id,
+            class: classes.find((cls) => cls?.id === a.within) ?? undefined,
+            title: a.title,
+            description: a.description,
+            learningPath: a.learningPath,
+            language: a.language,
+            deadline: a.deadline,
+            groups: a.groups,
+        }));
 
-            // Order the assignments by deadline
-            return result.flat().sort((a, b) => {
-                const now = Date.now();
-                const aTime = new Date(a.deadline).getTime();
-                const bTime = new Date(b.deadline).getTime();
+        // Order the assignments by deadline
+        return result.flat().sort((a, b) => {
+            const now = Date.now();
+            const aTime = new Date(a.deadline).getTime();
+            const bTime = new Date(b.deadline).getTime();
 
-                const aIsPast = aTime < now;
-                const bIsPast = bTime < now;
+            const aIsPast = aTime < now;
+            const bIsPast = bTime < now;
 
-                if (aIsPast && !bIsPast) return 1;
-                if (!aIsPast && bIsPast) return -1;
+            if (aIsPast && !bIsPast) return 1;
+            if (!aIsPast && bIsPast) return -1;
 
-                return aTime - bTime;
-            });
-        },
-        [],
-        { evaluating: true },
-    );
+            return aTime - bTime;
+        });
+    });
 
     async function goToCreateAssignment(): Promise<void> {
         await router.push("/assignment/create");
@@ -79,16 +83,35 @@
         await router.push(`/assignment/${clsId}/${id}`);
     }
 
-    const { mutate, data, isSuccess } = useDeleteAssignmentMutation();
-
-    watch([isSuccess, data], async ([success, oldData]) => {
-        if (success && oldData?.assignment) {
-            window.location.reload();
-        }
+    const snackbar = ref({
+        visible: false,
+        message: "",
+        color: "success",
     });
 
+    function showSnackbar(message: string, color: string): void {
+        snackbar.value.message = message;
+        snackbar.value.color = color;
+        snackbar.value.visible = true;
+    }
+
+    const deleteAssignmentMutation = useDeleteAssignmentMutation();
+
     async function goToDeleteAssignment(num: number, clsId: string): Promise<void> {
-        mutate({ cid: clsId, an: num });
+        deleteAssignmentMutation.mutate(
+            { cid: clsId, an: num },
+            {
+                onSuccess: async (data) => {
+                    if (data?.assignment) {
+                        await assignmentsQueryResult.refetch();
+                    }
+                    showSnackbar(t("success"), "success");
+                },
+                onError: (e) => {
+                    showSnackbar(t("failed") + ": " + e.response.data.error || e.message, "error");
+                },
+            },
+        );
     }
 
     function formatDate(date?: string | Date): string {
@@ -124,6 +147,11 @@
         const user = await auth.loadUser();
         username.value = user?.profile?.preferred_username ?? "";
     });
+
+    onMounted(async () => {
+        const user = await auth.loadUser();
+        username.value = user?.profile?.preferred_username ?? "";
+    });
 </script>
 
 <template>
@@ -132,68 +160,84 @@
 
         <v-btn
             v-if="isTeacher"
-            color="primary"
+            :style="{ backgroundColor: '#0E6942' }"
             class="mb-4 center-btn"
             @click="goToCreateAssignment"
         >
             {{ t("new-assignment") }}
         </v-btn>
 
-        <v-container>
-            <v-row>
-                <v-col
-                    v-for="assignment in assignments"
-                    :key="assignment.id"
-                    cols="12"
-                >
-                    <v-card class="assignment-card">
-                        <div class="top-content">
-                            <div class="assignment-title">{{ assignment.title }}</div>
-                            <div class="assignment-class">
-                                {{ t("class") }}:
-                                <span class="class-name">
-                                    {{ assignment.class.displayName }}
-                                </span>
+        <using-query-result :query-result="assignmentsQueryResult">
+            <v-container>
+                <v-row>
+                    <v-col
+                        v-for="assignment in allAssignments"
+                        :key="assignment.id"
+                        cols="12"
+                    >
+                        <v-card class="assignment-card">
+                            <div class="top-content">
+                                <div class="assignment-title">{{ assignment.title }}</div>
+                                <div class="assignment-class">
+                                    {{ t("class") }}:
+                                    <a
+                                        :href="`/class/${assignment?.class?.id}`"
+                                        class="class-name"
+                                    >
+                                        {{ assignment?.class?.displayName }}
+                                    </a>
+                                </div>
+                                <div
+                                    class="assignment-deadline"
+                                    :class="getDeadlineClass(assignment.deadline)"
+                                >
+                                    {{ t("deadline") }}:
+                                    <span>{{ formatDate(assignment.deadline) }}</span>
+                                </div>
                             </div>
-                            <div
-                                class="assignment-deadline"
-                                :class="getDeadlineClass(assignment.deadline)"
-                            >
-                                {{ t("deadline") }}:
-                                <span>{{ formatDate(assignment.deadline) }}</span>
+
+                            <div class="spacer"></div>
+
+                            <div class="button-row">
+                                <v-btn
+                                    color="primary"
+                                    variant="text"
+                                    @click="goToAssignmentDetails(assignment.id, assignment?.class?.id)"
+                                >
+                                    {{ t("view-assignment") }}
+                                </v-btn>
+                                <v-btn
+                                    v-if="isTeacher"
+                                    color="red"
+                                    variant="text"
+                                    @click="goToDeleteAssignment(assignment.id, assignment?.class?.id)"
+                                >
+                                    {{ t("delete") }}
+                                </v-btn>
                             </div>
+                        </v-card>
+                    </v-col>
+                </v-row>
+                <v-row v-if="allAssignments.length === 0">
+                    <v-col cols="12">
+                        <div class="no-assignments">
+                            <v-icon
+                                icon="mdi-information-outline"
+                                size="small"
+                            />
+                            {{ t("no-assignments") }}
                         </div>
-
-                        <div class="spacer"></div>
-
-                        <div class="button-row">
-                            <v-btn
-                                color="primary"
-                                variant="text"
-                                @click="goToAssignmentDetails(assignment.id, assignment.class.id)"
-                            >
-                                {{ t("view-assignment") }}
-                            </v-btn>
-                            <v-btn
-                                v-if="isTeacher"
-                                color="red"
-                                variant="text"
-                                @click="goToDeleteAssignment(assignment.id, assignment.class.id)"
-                            >
-                                {{ t("delete") }}
-                            </v-btn>
-                        </div>
-                    </v-card>
-                </v-col>
-            </v-row>
-            <v-row v-if="assignments.length === 0">
-                <v-col cols="12">
-                    <div class="no-assignments">
-                        {{ t("no-assignments") }}
-                    </div>
-                </v-col>
-            </v-row>
-        </v-container>
+                    </v-col>
+                </v-row>
+            </v-container>
+            <v-snackbar
+                v-model="snackbar.visible"
+                :color="snackbar.color"
+                timeout="3000"
+            >
+                {{ snackbar.message }}
+            </v-snackbar>
+        </using-query-result>
     </div>
 </template>
 
@@ -212,6 +256,7 @@
         color: white;
         transition: background-color 0.2s;
     }
+
     .center-btn:hover {
         background-color: #0e6942;
     }
@@ -225,6 +270,7 @@
             transform 0.2s,
             box-shadow 0.2s;
     }
+
     .assignment-card:hover {
         box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
     }
@@ -248,6 +294,10 @@
         margin-bottom: 0.2rem;
     }
 
+    .assignment-class a {
+        text-decoration: none;
+    }
+
     .class-name {
         font-weight: 600;
         color: #097180;

frontend/src/views/discussions/DiscussionForward.vue

@@ -0,0 +1,25 @@
+<script setup lang="ts">
+    import type { Language } from "@/data-objects/language";
+    import { onMounted } from "vue";
+    import { useRouter } from "vue-router";
+
+    const router = useRouter();
+
+    const props = defineProps<{
+        hruid: string;
+        language: Language;
+        learningObjectHruid?: string;
+    }>();
+
+    const discussionURL = "/discussion" + "/" + props.hruid + "/" + props.language + "/" + props.learningObjectHruid;
+
+    onMounted(async () => {
+        await router.replace(discussionURL);
+    });
+</script>
+
+<template>
+    <main></main>
+</template>
+
+<style scoped></style>

frontend/src/views/discussions/NoDiscussion.vue

@@ -0,0 +1,105 @@
+<script setup lang="ts">
+    import { useI18n } from "vue-i18n";
+    import DiscussionsSideBar from "@/components/DiscussionsSideBar.vue";
+
+    const { t } = useI18n();
+</script>
+
+<template>
+    <DiscussionsSideBar></DiscussionsSideBar>
+    <div>
+        <p class="no-discussion-tip">{{ t("no-discussion-tip") }}</p>
+    </div>
+</template>
+
+<style scoped>
+    .no-discussion-tip {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        height: 100vh;
+        text-align: center;
+        font-size: 18px;
+        color: #666;
+        padding: 0 20px;
+    }
+    .learning-path-title {
+        white-space: normal;
+    }
+    .search-field-container {
+        min-width: 250px;
+    }
+    .control-bar-above-content {
+        margin-left: 5px;
+        margin-right: 5px;
+        margin-bottom: -30px;
+        display: flex;
+        justify-content: space-between;
+    }
+    .learning-object-view-container {
+        padding-left: 20px;
+        padding-right: 20px;
+        padding-bottom: 20px;
+    }
+    .navigation-buttons-container {
+        padding: 20px;
+        display: flex;
+        justify-content: space-between;
+    }
+    .assignment-indicator {
+        position: absolute;
+        bottom: 10px;
+        left: 10px;
+        padding: 4px 12px;
+        border: 2px solid #f8bcbc;
+        border-radius: 20px;
+        color: #f36c6c;
+        background-color: rgba(248, 188, 188, 0.1);
+        font-weight: bold;
+        font-family: Arial, sans-serif;
+        font-size: 14px;
+        text-transform: uppercase;
+        z-index: 2; /* Less than modals/popups */
+    }
+    .question-box {
+        width: 100%;
+        max-width: 400px;
+        margin: 20px auto;
+        font-family: sans-serif;
+    }
+    .input-wrapper {
+        display: flex;
+        align-items: center;
+        border: 1px solid #ccc;
+        border-radius: 999px;
+        padding: 8px 12px;
+        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+    }
+
+    .question-input {
+        flex: 1;
+        border: none;
+        outline: none;
+        font-size: 14px;
+        background-color: transparent;
+    }
+
+    .question-input::placeholder {
+        color: #999;
+    }
+
+    .discussion-link {
+        margin-top: 8px;
+        font-size: 13px;
+        color: #444;
+    }
+
+    .discussion-link a {
+        color: #3b82f6; /* blue */
+        text-decoration: none;
+    }
+
+    .discussion-link a:hover {
+        text-decoration: underline;
+    }
+</style>

frontend/src/views/discussions/SingleDiscussion.vue

@@ -1,7 +1,195 @@
-<script setup lang="ts"></script>
+<script setup lang="ts">
+    import { Language } from "@/data-objects/language.ts";
+    import { computed, type ComputedRef, watch } from "vue";
+    import { useRoute } from "vue-router";
+    import { useGetLearningPathQuery } from "@/queries/learning-paths.ts";
+    import UsingQueryResult from "@/components/UsingQueryResult.vue";
+    import { LearningPathNode } from "@/data-objects/learning-paths/learning-path-node.ts";
+    import { useQuestionsQuery } from "@/queries/questions";
+    import type { QuestionsResponse } from "@/controllers/questions";
+    import type { LearningObjectIdentifierDTO } from "@dwengo-1/common/interfaces/learning-content";
+    import QandA from "@/components/QandA.vue";
+    import type { QuestionDTO } from "@dwengo-1/common/interfaces/question";
+    import DiscussionsSideBar from "@/components/DiscussionsSideBar.vue";
+    import QuestionBox from "@/components/QuestionBox.vue";
+    import { useI18n } from "vue-i18n";
+
+    const { t } = useI18n();
+
+    const route = useRoute();
+
+    const props = defineProps<{
+        hruid: string;
+        language: Language;
+        learningObjectHruid?: string;
+    }>();
+
+    interface LearningPathPageQuery {
+        forGroup?: string;
+        assignmentNo?: string;
+        classId?: string;
+    }
+
+    const query = computed(() => route.query as LearningPathPageQuery);
+
+    const forGroup = computed(() => {
+        if (query.value.forGroup && query.value.assignmentNo && query.value.classId) {
+            return {
+                forGroup: parseInt(query.value.forGroup),
+                assignmentNo: parseInt(query.value.assignmentNo),
+                classId: query.value.classId,
+            };
+        }
+        return undefined;
+    });
+
+    const learningPathQueryResult = useGetLearningPathQuery(props.hruid, props.language, forGroup);
+
+    const nodesList: ComputedRef<LearningPathNode[] | null> = computed(
+        () => learningPathQueryResult.data.value?.nodesAsList ?? null,
+    );
+
+    const currentNode = computed(() => {
+        const currentHruid = props.learningObjectHruid;
+        return nodesList.value?.find((it) => it.learningobjectHruid === currentHruid);
+    });
+
+    const getQuestionsQuery = useQuestionsQuery(
+        computed(
+            () =>
+                ({
+                    language: currentNode.value?.language,
+                    hruid: currentNode.value?.learningobjectHruid,
+                    version: currentNode.value?.version,
+                }) as LearningObjectIdentifierDTO,
+        ),
+    );
+
+    watch(
+        () => [route.params.hruid, route.params.language, route.params.learningObjectHruid],
+        () => {
+            //TODO: moet op een of andere manier createQuestionMutation opnieuw kunnen instellen
+            //      Momenteel opgelost door de DiscussionsForward page workaround
+        },
+    );
+</script>
 
 <template>
-    <main></main>
+    <DiscussionsSideBar :learningObjectHruid="props.learningObjectHruid"> </DiscussionsSideBar>
+    <div class="discussions-container">
+        <QuestionBox
+            :hruid="props.hruid"
+            :language="props.language"
+            :learningObjectHruid="props.learningObjectHruid"
+            :forGroup="forGroup"
+            withTitle
+        />
+        <h3>{{ t("questionsCapitalized") }}:</h3>
+        <using-query-result
+            :query-result="getQuestionsQuery"
+            v-slot="questionsResponse: { data: QuestionsResponse }"
+        >
+            <QandA :questions="(questionsResponse.data.questions as QuestionDTO[]) ?? []" />
+        </using-query-result>
+    </div>
 </template>
 
-<style scoped></style>
+<style scoped>
+    .discussions-container {
+        margin: 20px;
+    }
+
+    .learning-path-title {
+        white-space: normal;
+    }
+
+    .search-field-container {
+        min-width: 250px;
+    }
+
+    .control-bar-above-content {
+        margin-left: 5px;
+        margin-right: 5px;
+        margin-bottom: -30px;
+        display: flex;
+        justify-content: space-between;
+    }
+
+    .learning-object-view-container {
+        padding-left: 20px;
+        padding-right: 20px;
+        padding-bottom: 20px;
+    }
+
+    .navigation-buttons-container {
+        padding: 20px;
+        display: flex;
+        justify-content: space-between;
+    }
+
+    .assignment-indicator {
+        position: absolute;
+        bottom: 10px;
+        left: 10px;
+        padding: 4px 12px;
+        border: 2px solid #f8bcbc;
+        border-radius: 20px;
+        color: #f36c6c;
+        background-color: rgba(248, 188, 188, 0.1);
+        font-weight: bold;
+        font-family: Arial, sans-serif;
+        font-size: 14px;
+        text-transform: uppercase;
+        z-index: 2; /* Less than modals/popups */
+    }
+
+    .question-box {
+        width: 100%;
+        max-width: 400px;
+        margin: 20px auto;
+        font-family: sans-serif;
+    }
+
+    .input-wrapper {
+        display: flex;
+        align-items: center;
+        border: 1px solid #ccc;
+        border-radius: 999px;
+        padding: 8px 12px;
+        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+    }
+
+    .question-input {
+        flex: 1;
+        border: none;
+        outline: none;
+        font-size: 14px;
+        background-color: transparent;
+    }
+
+    .question-input::placeholder {
+        color: #999;
+    }
+
+    .send-button {
+        background: none;
+        border: none;
+        cursor: pointer;
+        font-size: 16px;
+        color: #555;
+        transition: color 0.2s ease;
+    }
+
+    .send-button:hover {
+        color: #000;
+    }
+
+    .discussion-link a {
+        color: #3b82f6; /* blue */
+        text-decoration: none;
+    }
+
+    .discussion-link a:hover {
+        text-decoration: underline;
+    }
+</style>

frontend/src/views/learning-paths/LearningPathGroupSelector.vue

@@ -16,18 +16,14 @@
 
     const groupsQuery = useGroupsQuery(props.classId, props.assignmentNumber, true);
 
-    interface GroupSelectorOption {
-        groupNumber: number | undefined;
-        label: string;
+    function sortedGroups(groups: GroupDTO[]): GroupDTO[] {
+        return [...groups].sort((a, b) => a.groupNumber - b.groupNumber);
     }
-
-    function groupOptions(groups: GroupDTO[]): GroupSelectorOption[] {
-        return [...groups]
-            .sort((a, b) => a.groupNumber - b.groupNumber)
-            .map((group, index) => ({
-                groupNumber: group.groupNumber,
-                label: `${index + 1}`,
-            }));
+    function groupOptions(groups: GroupDTO[]): number[] {
+        return sortedGroups(groups).map((group) => group.groupNumber);
+    }
+    function labelForGroup(groups: GroupDTO[], groupId: number): string {
+        return `${sortedGroups(groups).findIndex((group) => group.groupNumber === groupId) + 1}`;
     }
 </script>
 
@@ -40,7 +36,8 @@
             :label="t('viewAsGroup')"
             :items="groupOptions(data.groups)"
             v-model="model"
-            item-title="label"
+            :item-title="(item) => labelForGroup(data.groups, parseInt(`${item}`))"
+            :item-value="(item) => item"
             class="group-selector-cb"
             variant="outlined"
             clearable

frontend/src/views/learning-paths/LearningPathPage.vue

@@ -13,15 +13,13 @@
     import authService from "@/services/auth/auth-service.ts";
     import { LearningPathNode } from "@/data-objects/learning-paths/learning-path-node.ts";
     import LearningPathGroupSelector from "@/views/learning-paths/LearningPathGroupSelector.vue";
-    import { useCreateQuestionMutation, useQuestionsQuery } from "@/queries/questions";
+    import { useQuestionsGroupQuery, useQuestionsQuery } from "@/queries/questions";
     import type { QuestionsResponse } from "@/controllers/questions";
     import type { LearningObjectIdentifierDTO } from "@dwengo-1/common/interfaces/learning-content";
     import QandA from "@/components/QandA.vue";
-    import type { QuestionData, QuestionDTO } from "@dwengo-1/common/interfaces/question";
-    import { useStudentAssignmentsQuery, useStudentGroupsQuery } from "@/queries/students";
-    import type { AssignmentDTO } from "@dwengo-1/common/interfaces/assignment";
-    import type { GroupDTO } from "@dwengo-1/common/interfaces/group";
+    import type { QuestionDTO } from "@dwengo-1/common/interfaces/question";
     import QuestionNotification from "@/components/QuestionNotification.vue";
+    import QuestionBox from "@/components/QuestionBox.vue";
     import { AccountType } from "@dwengo-1/common/util/account-types";
 
     const router = useRouter();
@@ -58,7 +56,12 @@
     const learningObjectListQueryResult = useLearningObjectListForPathQuery(learningPathQueryResult.data);
 
     const nodesList: ComputedRef<LearningPathNode[] | null> = computed(
-        () => learningPathQueryResult.data.value?.nodesAsList ?? null,
+        () =>
+            learningPathQueryResult.data.value?.nodesAsList.filter(
+                (node) =>
+                    authService.authState.activeRole === AccountType.Teacher ||
+                    !getLearningObjectForNode(node)?.teacherExclusive,
+            ) ?? null,
     );
 
     const currentNode = computed(() => {
@@ -78,19 +81,44 @@
         return currentIndex < nodesList.value?.length ? nodesList.value?.[currentIndex - 1] : undefined;
     });
 
-    const getQuestionsQuery = useQuestionsQuery(
-        computed(
-            () =>
-                ({
-                    language: currentNode.value?.language,
-                    hruid: currentNode.value?.learningobjectHruid,
-                    version: currentNode.value?.version,
-                }) as LearningObjectIdentifierDTO,
-        ),
-    );
+    let getQuestionsQuery;
+
+    if (authService.authState.activeRole === AccountType.Student) {
+        getQuestionsQuery = useQuestionsGroupQuery(
+            computed(
+                () =>
+                    ({
+                        language: currentNode.value?.language,
+                        hruid: currentNode.value?.learningobjectHruid,
+                        version: currentNode.value?.version,
+                    }) as LearningObjectIdentifierDTO,
+            ),
+            computed(() => query.value.classId ?? ""),
+            computed(() => query.value.assignmentNo ?? ""),
+            computed(() => authService.authState.user?.profile.preferred_username ?? ""),
+        );
+    } else {
+        getQuestionsQuery = useQuestionsQuery(
+            computed(
+                () =>
+                    ({
+                        language: currentNode.value?.language,
+                        hruid: currentNode.value?.learningobjectHruid,
+                        version: currentNode.value?.version,
+                    }) as LearningObjectIdentifierDTO,
+            ),
+        );
+    }
 
     const navigationDrawerShown = ref(true);
 
+    function getLearningObjectForNode(node: LearningPathNode): LearningObject | undefined {
+        return learningObjectListQueryResult.data.value?.find(
+            (obj) =>
+                obj.key === node.learningobjectHruid && obj.language === node.language && obj.version === node.version,
+        );
+    }
+
     function isLearningObjectCompleted(learningObject: LearningObject): boolean {
         if (learningObjectListQueryResult.isSuccess) {
             return (
@@ -147,49 +175,29 @@
         });
     }
 
-    const studentAssignmentsQueryResult = useStudentAssignmentsQuery(
-        authService.authState.user?.profile.preferred_username,
+    const discussionLink = computed(
+        () =>
+            "/discussion" +
+            "/" +
+            props.hruid +
+            "/" +
+            currentNode.value?.language +
+            "/" +
+            currentNode.value?.learningobjectHruid,
     );
-    const pathIsAssignment = computed(() => {
-        const assignments = (studentAssignmentsQueryResult.data.value?.assignments as AssignmentDTO[]) || [];
-        return assignments.some(
-            (assignment) => assignment.learningPath === props.hruid && assignment.language === props.language,
+
+    /**
+     * Filter the given list of questions such that only the questions for the assignment and group specified
+     * in the query parameters are shown. This is relevant for teachers since they can view questions of all groups.
+     */
+    function filterQuestions(questions?: QuestionDTO[]): QuestionDTO[] {
+        return (
+            questions?.filter(
+                (q) =>
+                    q.inGroup.groupNumber === forGroup.value?.forGroup &&
+                    q.inGroup.assignment === forGroup.value?.assignmentNo,
+            ) ?? []
         );
-    });
-
-    const loID: LearningObjectIdentifierDTO = {
-        hruid: props.learningObjectHruid as string,
-        language: props.language,
-    };
-    const createQuestionMutation = useCreateQuestionMutation(loID);
-    const groupsQueryResult = useStudentGroupsQuery(authService.authState.user?.profile.preferred_username);
-
-    const questionInput = ref("");
-
-    function submitQuestion(): void {
-        const assignments = studentAssignmentsQueryResult.data.value?.assignments as AssignmentDTO[];
-        const assignment = assignments.find(
-            (assignment) => assignment.learningPath === props.hruid && assignment.language === props.language,
-        );
-        const groups = groupsQueryResult.data.value?.groups as GroupDTO[];
-        const group = groups?.find((group) => group.assignment === assignment?.id) as GroupDTO;
-        const questionData: QuestionData = {
-            author: authService.authState.user?.profile.preferred_username,
-            content: questionInput.value,
-            inGroup: group, //TODO: POST response zegt dat dit null is???
-        };
-        if (questionInput.value !== "") {
-            createQuestionMutation.mutate(questionData, {
-                onSuccess: async () => {
-                    questionInput.value = ""; // Clear the input field after submission
-                    await getQuestionsQuery.refetch(); // Reload the questions
-                },
-                onError: (_) => {
-                    // TODO Handle error
-                    // - console.error(e);
-                },
-            });
-        }
     }
 </script>
 
@@ -236,7 +244,7 @@
                         </p>
                     </template>
                 </v-list-item>
-                <v-list-itemF
+                <v-list-item
                     v-if="
                         query.classId && query.assignmentNo && authService.authState.activeRole === AccountType.Teacher
                     "
@@ -248,9 +256,9 @@
                             v-model="forGroupQueryParam"
                         />
                     </template>
-                </v-list-itemF>
+                </v-list-item>
                 <v-divider></v-divider>
-                <div>
+                <div class="nav-scroll-area">
                     <using-query-result
                         :query-result="learningObjectListQueryResult"
                         v-slot="learningObjects: { data: LearningObject[] }"
@@ -301,7 +309,7 @@
                 </v-list-item>
                 <v-list-item>
                     <div
-                        v-if="authService.authState.activeRole === AccountType.Student && pathIsAssignment"
+                        v-if="authService.authState.activeRole === AccountType.Student && forGroup"
                         class="assignment-indicator"
                     >
                         {{ t("assignmentIndicator") }}
@@ -329,25 +337,6 @@
                 v-if="currentNode"
             ></learning-object-view>
         </div>
-        <div
-            v-if="authService.authState.activeRole === AccountType.Student && pathIsAssignment"
-            class="question-box"
-        >
-            <div class="input-wrapper">
-                <input
-                    type="text"
-                    placeholder="question : ..."
-                    class="question-input"
-                    v-model="questionInput"
-                />
-                <button
-                    @click="submitQuestion"
-                    class="send-button"
-                >
-                    ▶
-                </button>
-            </div>
-        </div>
         <div class="navigation-buttons-container">
             <v-btn
                 prepend-icon="mdi-chevron-left"
@@ -367,15 +356,47 @@
             </v-btn>
         </div>
         <using-query-result
+            v-if="currentNode && forGroup"
             :query-result="getQuestionsQuery"
             v-slot="questionsResponse: { data: QuestionsResponse }"
         >
-            <QandA :questions="(questionsResponse.data.questions as QuestionDTO[]) ?? []" />
+            <v-divider :thickness="6"></v-divider>
+            <div class="question-header">
+                <span class="question-title">{{ t("questions") }}</span>
+                <span class="discussion-link-text">
+                    {{ t("view-questions") }}
+                    <router-link :to="discussionLink">
+                        {{ t("discussions") }}
+                    </router-link>
+                </span>
+            </div>
+            <QuestionBox
+                :learningObjectHruid="currentNode.learningobjectHruid"
+                :learningObjectLanguage="currentNode.language"
+                :learningObjectVersion="currentNode.version"
+                :forGroup="{
+                    assignment: forGroup.assignmentNo,
+                    class: forGroup.classId,
+                    groupNumber: forGroup.forGroup,
+                }"
+            />
+            <QandA :questions="filterQuestions(questionsResponse.data.questions as QuestionDTO[])" />
         </using-query-result>
     </using-query-result>
 </template>
 
 <style scoped>
+    .question-title {
+        color: #0e6942;
+        text-transform: uppercase;
+        font-weight: bolder;
+        font-size: 24px;
+    }
+    .question-header {
+        display: flex;
+        justify-content: space-between;
+        padding: 10px;
+    }
     .learning-path-title {
         white-space: normal;
     }
@@ -414,45 +435,6 @@
         text-transform: uppercase;
         z-index: 2; /* Less than modals/popups */
     }
-    .question-box {
-        width: 100%;
-        max-width: 400px;
-        margin: 20px auto;
-        font-family: sans-serif;
-    }
-    .input-wrapper {
-        display: flex;
-        align-items: center;
-        border: 1px solid #ccc;
-        border-radius: 999px;
-        padding: 8px 12px;
-        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
-    }
-
-    .question-input {
-        flex: 1;
-        border: none;
-        outline: none;
-        font-size: 14px;
-        background-color: transparent;
-    }
-
-    .question-input::placeholder {
-        color: #999;
-    }
-
-    .send-button {
-        background: none;
-        border: none;
-        cursor: pointer;
-        font-size: 16px;
-        color: #555;
-        transition: color 0.2s ease;
-    }
-
-    .send-button:hover {
-        color: #000;
-    }
 
     .discussion-link {
         margin-top: 8px;
@@ -468,4 +450,10 @@
     .discussion-link a:hover {
         text-decoration: underline;
     }
+
+    .nav-scroll-area {
+        overflow-y: auto;
+        flex-grow: 1;
+        min-height: 0;
+    }
 </style>

frontend/src/views/learning-paths/learning-object/submissions/LearningObjectSubmissionsView.vue

@@ -18,6 +18,15 @@
         version: number;
         group: { forGroup: number; assignmentNo: number; classId: string };
     }>();
+
+    function parseContent(content: string): SubmissionData {
+        if (content === "") {
+            return [];
+        }
+
+        return JSON.parse(content);
+    }
+
     const emit = defineEmits<(e: "update:submissionData", value: SubmissionData) => void>();
 
     const submissionQuery = useSubmissionsQuery(
@@ -35,7 +44,7 @@
     }
 
     function emitSubmission(submission: SubmissionDTO): void {
-        emitSubmissionData(JSON.parse(submission.content));
+        emitSubmissionData(parseContent(submission.content));
     }
 
     watch(submissionQuery.data, () => {
@@ -47,12 +56,13 @@
         }
     });
 
-    const lastSubmission = computed<SubmissionData>(() => {
+    const lastSubmission = computed<SubmissionData | undefined>(() => {
         const submissions = submissionQuery.data.value;
         if (!submissions || submissions.length === 0) {
             return undefined;
         }
-        return JSON.parse(submissions[submissions.length - 1].content);
+
+        return parseContent(submissions[submissions.length - 1].content);
     });
 
     const showSubmissionTable = computed(() => props.submissionData !== undefined && props.submissionData.length > 0);

frontend/src/views/own-learning-content/learning-paths/LearningPathPreviewCard.vue

@@ -89,6 +89,15 @@
                 props.selectedLearningPath.language !== parsedLearningPath.value.language),
     );
 
+    const selectedLearningPathLink = computed(() => {
+        if (!props.selectedLearningPath) {
+            return undefined;
+        }
+        const { hruid, language } = props.selectedLearningPath;
+        const startNode = props.selectedLearningPath.nodes.find((it) => it.start_node);
+        return `/learningPath/${hruid}/${language}/${startNode.learningobject_hruid}`;
+    });
+
     function getErrorMessage(): string | null {
         if (postError.value) {
             return t(extractErrorMessage(postError.value));
@@ -104,7 +113,43 @@
 </script>
 
 <template>
-    <v-card :title="props.selectedLearningPath ? t('editLearningPath') : t('newLearningPath')">
+    <v-card>
+        <template v-slot:title>
+            <div class="title-container">
+                <span class="title">{{
+                    props.selectedLearningPath ? t("editLearningPath") : t("newLearningPath")
+                }}</span>
+                <span class="actions">
+                    <v-btn
+                        @click="uploadLearningPath"
+                        prependIcon="mdi mdi-check"
+                        :loading="isPostPending || isPutPending"
+                        :disabled="parsedLearningPath.hruid === DEFAULT_LEARNING_PATH.hruid || isIdModified"
+                        variant="text"
+                    >
+                        {{ props.selectedLearningPath ? t("saveChanges") : t("create") }}
+                    </v-btn>
+                    <button-with-confirmation
+                        @confirm="deleteLearningPath"
+                        :disabled="!props.selectedLearningPath"
+                        :text="t('delete')"
+                        color="red"
+                        prependIcon="mdi mdi-delete"
+                        :confirmQueryText="t('learningPathDeleteQuery')"
+                        variant="text"
+                    />
+                    <v-btn
+                        :href="selectedLearningPathLink"
+                        target="_blank"
+                        prepend-icon="mdi mdi-open-in-new"
+                        :disabled="!props.selectedLearningPath"
+                        variant="text"
+                    >
+                        {{ t("open") }}
+                    </v-btn>
+                </span>
+            </div>
+        </template>
         <template v-slot:text>
             <json-editor-vue v-model="learningPath"></json-editor-vue>
             <v-alert
@@ -115,33 +160,21 @@
                 :text="getErrorMessage()!"
             ></v-alert>
         </template>
-        <template v-slot:actions>
-            <v-btn
-                @click="uploadLearningPath"
-                prependIcon="mdi mdi-check"
-                :loading="isPostPending || isPutPending"
-                :disabled="parsedLearningPath.hruid === DEFAULT_LEARNING_PATH.hruid || isIdModified"
-            >
-                {{ props.selectedLearningPath ? t("saveChanges") : t("create") }}
-            </v-btn>
-            <button-with-confirmation
-                @confirm="deleteLearningPath"
-                :disabled="!props.selectedLearningPath"
-                :text="t('delete')"
-                color="red"
-                prependIcon="mdi mdi-delete"
-                :confirmQueryText="t('learningPathDeleteQuery')"
-            />
-            <v-btn
-                :href="`/learningPath/${props.selectedLearningPath?.hruid}/${props.selectedLearningPath?.language}/start`"
-                target="_blank"
-                prepend-icon="mdi mdi-open-in-new"
-                :disabled="!props.selectedLearningPath"
-            >
-                {{ t("open") }}
-            </v-btn>
-        </template>
     </v-card>
 </template>
 
-<style scoped></style>
+<style scoped>
+    .title-container {
+        display: flex;
+        flex-direction: row;
+        flex-wrap: wrap;
+    }
+    .title {
+        flex: 1;
+    }
+    .actions {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 10px;
+    }
+</style>

frontend/tests/controllers/classes-controller.test.ts

@@ -1,10 +1,58 @@
-import { describe, expect, it } from "vitest";
+import { describe, it, expect, beforeEach } from "vitest";
 import { ClassController } from "../../src/controllers/classes";
 
-describe("Test controller classes", () => {
-    it("Get classes", async () => {
-        const controller = new ClassController();
-        const data = await controller.getAll(true);
-        expect(data.classes).to.have.length.greaterThan(0);
+describe("ClassController Tests", () => {
+    let controller: ClassController;
+    const testClassId = "X2J9QT";
+
+    beforeEach(() => {
+        controller = new ClassController();
+    });
+
+    it("should fetch all classes", async () => {
+        const result = await controller.getAll(true);
+        expect(result).toHaveProperty("classes");
+        expect(Array.isArray(result.classes)).toBe(true);
+        expect(result.classes.length).toBeGreaterThan(0);
+    });
+
+    it("should fetch a class by ID", async () => {
+        const result = await controller.getById(testClassId);
+        expect(result).toHaveProperty("class");
+        expect(result.class).toHaveProperty("id", testClassId);
+    });
+
+    it("should fetch students for a class", async () => {
+        const result = await controller.getStudents(testClassId, true);
+        expect(result).toHaveProperty("students");
+        expect(Array.isArray(result.students)).toBe(true);
+    });
+
+    it("should fetch teachers for a class", async () => {
+        const result = await controller.getTeachers(testClassId, true);
+        expect(result).toHaveProperty("teachers");
+        expect(Array.isArray(result.teachers)).toBe(true);
+    });
+
+    it("should fetch teacher invitations for a class", async () => {
+        const result = await controller.getTeacherInvitations(testClassId, true);
+        expect(result).toHaveProperty("invitations");
+        expect(Array.isArray(result.invitations)).toBe(true);
+    });
+
+    it("should fetch assignments for a class", async () => {
+        const result = await controller.getAssignments(testClassId, true);
+        expect(result).toHaveProperty("assignments");
+        expect(Array.isArray(result.assignments)).toBe(true);
+    });
+
+    it("should handle fetching a non-existent class", async () => {
+        const nonExistentId = "NON_EXISTENT_ID";
+        await expect(controller.getById(nonExistentId)).rejects.toThrow();
+    });
+
+    it("should handle deleting a non-existent class", async () => {
+        const nonExistentId = "NON_EXISTENT_ID";
+        await expect(controller.deleteClass(nonExistentId)).rejects.toThrow();
     });
 });

frontend/tests/utils/array-utils.test.ts

@@ -0,0 +1,49 @@
+import { copyArrayWith } from "../../src/utils/array-utils";
+import { describe, it, expect } from "vitest";
+
+describe("copyArrayWith", () => {
+    it("should replace the element at the specified index", () => {
+        const original = [1, 2, 3, 4];
+        const result = copyArrayWith(2, 99, original);
+        expect(result).toEqual([1, 2, 99, 4]);
+    });
+
+    it("should not modify the original array", () => {
+        const original = ["a", "b", "c"];
+        const result = copyArrayWith(1, "x", original);
+        expect(original).toEqual(["a", "b", "c"]); // Original remains unchanged
+        expect(result).toEqual(["a", "x", "c"]);
+    });
+
+    it("should handle replacing the first element", () => {
+        const original = [true, false, true];
+        const result = copyArrayWith(0, false, original);
+        expect(result).toEqual([false, false, true]);
+    });
+
+    it("should handle replacing the last element", () => {
+        const original = ["apple", "banana", "cherry"];
+        const result = copyArrayWith(2, "date", original);
+        expect(result).toEqual(["apple", "banana", "date"]);
+    });
+
+    it("should work with complex objects", () => {
+        const original = [{ id: 1 }, { id: 2 }, { id: 3 }];
+        const newValue = { id: 99 };
+        const result = copyArrayWith(1, newValue, original);
+        expect(result).toEqual([{ id: 1 }, { id: 99 }, { id: 3 }]);
+        expect(original[1].id).toBe(2); // Original remains unchanged
+    });
+
+    it("should allow setting to undefined", () => {
+        const original = [1, 2, 3];
+        const result = copyArrayWith(1, undefined, original);
+        expect(result).toEqual([1, undefined, 3]);
+    });
+
+    it("should allow setting to null", () => {
+        const original = [1, 2, 3];
+        const result = copyArrayWith(1, null, original);
+        expect(result).toEqual([1, null, 3]);
+    });
+});

frontend/tests/utils/assignment-utils.test.ts

@@ -0,0 +1,86 @@
+import { LearningPathNode } from "@dwengo-1/backend/dist/entities/content/learning-path-node.entity";
+import { calculateProgress } from "../../src/utils/assignment-utils";
+import { LearningPath } from "../../src/data-objects/learning-paths/learning-path";
+import { describe, it, expect } from "vitest";
+
+describe("calculateProgress", () => {
+    it("should return 0 when no nodes are completed", () => {
+        const lp = new LearningPath({
+            language: "en",
+            hruid: "test-path",
+            title: "Test Path",
+            description: "Test Description",
+            amountOfNodes: 10,
+            amountOfNodesLeft: 10,
+            keywords: ["test"],
+            targetAges: { min: 10, max: 15 },
+            startNode: {} as LearningPathNode,
+        });
+
+        expect(calculateProgress(lp)).toBe(0);
+    });
+
+    it("should return 100 when all nodes are completed", () => {
+        const lp = new LearningPath({
+            language: "en",
+            hruid: "test-path",
+            title: "Test Path",
+            description: "Test Description",
+            amountOfNodes: 10,
+            amountOfNodesLeft: 0,
+            keywords: ["test"],
+            targetAges: { min: 10, max: 15 },
+            startNode: {} as LearningPathNode,
+        });
+
+        expect(calculateProgress(lp)).toBe(100);
+    });
+
+    it("should return 50 when half of the nodes are completed", () => {
+        const lp = new LearningPath({
+            language: "en",
+            hruid: "test-path",
+            title: "Test Path",
+            description: "Test Description",
+            amountOfNodes: 10,
+            amountOfNodesLeft: 5,
+            keywords: ["test"],
+            targetAges: { min: 10, max: 15 },
+            startNode: {} as LearningPathNode,
+        });
+
+        expect(calculateProgress(lp)).toBe(50);
+    });
+
+    it("should handle floating point progress correctly", () => {
+        const lp = new LearningPath({
+            language: "en",
+            hruid: "test-path",
+            title: "Test Path",
+            description: "Test Description",
+            amountOfNodes: 3,
+            amountOfNodesLeft: 1,
+            keywords: ["test"],
+            targetAges: { min: 10, max: 15 },
+            startNode: {} as LearningPathNode,
+        });
+
+        expect(calculateProgress(lp)).toBeCloseTo(66.666, 2);
+    });
+
+    it("should handle edge case where amountOfNodesLeft is negative", () => {
+        const lp = new LearningPath({
+            language: "en",
+            hruid: "test-path",
+            title: "Test Path",
+            description: "Test Description",
+            amountOfNodes: 10,
+            amountOfNodesLeft: -5,
+            keywords: ["test"],
+            targetAges: { min: 10, max: 15 },
+            startNode: {} as LearningPathNode,
+        });
+
+        expect(calculateProgress(lp)).toBe(150);
+    });
+});

frontend/tests/utils/assingment-rules.test.ts

@@ -1,82 +0,0 @@
-import { describe, expect, it } from "vitest";
-import {
-    assignmentTitleRules,
-    classRules,
-    deadlineRules,
-    descriptionRules,
-    learningPathRules,
-} from "../../src/utils/assignment-rules";
-
-describe("Validation Rules", () => {
-    describe("assignmentTitleRules", () => {
-        it("should return true for a valid title", () => {
-            const result = assignmentTitleRules[0]("Valid Title");
-            expect(result).toBe(true);
-        });
-
-        it("should return an error message for an empty title", () => {
-            const result = assignmentTitleRules[0]("");
-            expect(result).toBe("Title cannot be empty.");
-        });
-    });
-
-    describe("learningPathRules", () => {
-        it("should return true for a valid learning path", () => {
-            const result = learningPathRules[0]({ hruid: "123", title: "Path Title" });
-            expect(result).toBe(true);
-        });
-
-        it("should return an error message for an invalid learning path", () => {
-            const result = learningPathRules[0]({ hruid: "", title: "" });
-            expect(result).toBe("You must select a learning path.");
-        });
-    });
-
-    describe("classRules", () => {
-        it("should return true for a valid class", () => {
-            const result = classRules[0]("Class 1");
-            expect(result).toBe(true);
-        });
-
-        it("should return an error message for an empty class", () => {
-            const result = classRules[0]("");
-            expect(result).toBe("You must select at least one class.");
-        });
-    });
-
-    describe("deadlineRules", () => {
-        it("should return true for a valid future deadline", () => {
-            const futureDate = new Date(Date.now() + 1000 * 60 * 60).toISOString();
-            const result = deadlineRules[0](futureDate);
-            expect(result).toBe(true);
-        });
-
-        it("should return an error message for a past deadline", () => {
-            const pastDate = new Date(Date.now() - 1000 * 60 * 60).toISOString();
-            const result = deadlineRules[0](pastDate);
-            expect(result).toBe("The deadline must be in the future.");
-        });
-
-        it("should return an error message for an invalid date", () => {
-            const result = deadlineRules[0]("invalid-date");
-            expect(result).toBe("Invalid date or time.");
-        });
-
-        it("should return an error message for an empty deadline", () => {
-            const result = deadlineRules[0]("");
-            expect(result).toBe("You must set a deadline.");
-        });
-    });
-
-    describe("descriptionRules", () => {
-        it("should return true for a valid description", () => {
-            const result = descriptionRules[0]("This is a valid description.");
-            expect(result).toBe(true);
-        });
-
-        it("should return an error message for an empty description", () => {
-            const result = descriptionRules[0]("");
-            expect(result).toBe("Description cannot be empty.");
-        });
-    });
-});

package-lock.json

@@ -1,12 +1,12 @@
 {
     "name": "dwengo-1",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "dwengo-1",
-            "version": "0.2.0",
+            "version": "1.0.0",
             "license": "MIT",
             "workspaces": [
                 "backend",
@@ -29,7 +29,7 @@
         },
         "backend": {
             "name": "@dwengo-1/backend",
-            "version": "0.2.0",
+            "version": "1.0.0",
             "dependencies": {
                 "@mikro-orm/core": "6.4.12",
                 "@mikro-orm/knex": "6.4.12",
@@ -95,20 +95,19 @@
         },
         "common": {
             "name": "@dwengo-1/common",
-            "version": "0.2.0"
+            "version": "1.0.0"
         },
         "docs": {
             "name": "dwengo-1-docs",
-            "version": "0.2.0",
+            "version": "1.0.0",
             "devDependencies": {
                 "swagger-autogen": "^2.23.7"
             }
         },
         "frontend": {
             "name": "dwengo-1-frontend",
-            "version": "0.2.0",
+            "version": "1.0.0",
             "dependencies": {
-                "@dwengo-1/common": "^0.2.0",
                 "@tanstack/react-query": "^5.69.0",
                 "@tanstack/vue-query": "^5.69.0",
                 "@vueuse/core": "^13.1.0",
@@ -184,9 +183,9 @@
             }
         },
         "node_modules/@asamuzakjp/css-color": {
-            "version": "3.1.7",
-            "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-3.1.7.tgz",
-            "integrity": "sha512-Ok5fYhtwdyJQmU1PpEv6Si7Y+A4cYb8yNM9oiIJC9TzXPMuN9fvdonKJqcnz9TbFqV6bQ8z0giRq0iaOpGZV2g==",
+            "version": "3.2.0",
+            "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-3.2.0.tgz",
+            "integrity": "sha512-K1A6z8tS3XsmCMM86xoWdn7Fkdn9m6RSVtocUrJYIwZnFVkng/PvkEoWtOWmP+Scc6saYWHWZYbndEEXxl24jw==",
             "license": "MIT",
             "dependencies": {
                 "@csstools/css-calc": "^2.1.3",
@@ -2515,9 +2514,9 @@
             }
         },
         "node_modules/@rollup/rollup-android-arm-eabi": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.40.2.tgz",
-            "integrity": "sha512-JkdNEq+DFxZfUwxvB58tHMHBHVgX23ew41g1OQinthJ+ryhdRk67O31S7sYw8u2lTjHUPFxwar07BBt1KHp/hg==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.41.0.tgz",
+            "integrity": "sha512-KxN+zCjOYHGwCl4UCtSfZ6jrq/qi88JDUtiEFk8LELEHq2Egfc/FgW+jItZiOLRuQfb/3xJSgFuNPC9jzggX+A==",
             "cpu": [
                 "arm"
             ],
@@ -2528,9 +2527,9 @@
             ]
         },
         "node_modules/@rollup/rollup-android-arm64": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.40.2.tgz",
-            "integrity": "sha512-13unNoZ8NzUmnndhPTkWPWbX3vtHodYmy+I9kuLxN+F+l+x3LdVF7UCu8TWVMt1POHLh6oDHhnOA04n8oJZhBw==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.41.0.tgz",
+            "integrity": "sha512-yDvqx3lWlcugozax3DItKJI5j05B0d4Kvnjx+5mwiUpWramVvmAByYigMplaoAQ3pvdprGCTCE03eduqE/8mPQ==",
             "cpu": [
                 "arm64"
             ],
@@ -2541,9 +2540,9 @@
             ]
         },
         "node_modules/@rollup/rollup-darwin-arm64": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.40.2.tgz",
-            "integrity": "sha512-Gzf1Hn2Aoe8VZzevHostPX23U7N5+4D36WJNHK88NZHCJr7aVMG4fadqkIf72eqVPGjGc0HJHNuUaUcxiR+N/w==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.41.0.tgz",
+            "integrity": "sha512-2KOU574vD3gzcPSjxO0eyR5iWlnxxtmW1F5CkNOHmMlueKNCQkxR6+ekgWyVnz6zaZihpUNkGxjsYrkTJKhkaw==",
             "cpu": [
                 "arm64"
             ],
@@ -2554,9 +2553,9 @@
             ]
         },
         "node_modules/@rollup/rollup-darwin-x64": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.40.2.tgz",
-            "integrity": "sha512-47N4hxa01a4x6XnJoskMKTS8XZ0CZMd8YTbINbi+w03A2w4j1RTlnGHOz/P0+Bg1LaVL6ufZyNprSg+fW5nYQQ==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.41.0.tgz",
+            "integrity": "sha512-gE5ACNSxHcEZyP2BA9TuTakfZvULEW4YAOtxl/A/YDbIir/wPKukde0BNPlnBiP88ecaN4BJI2TtAd+HKuZPQQ==",
             "cpu": [
                 "x64"
             ],
@@ -2567,9 +2566,9 @@
             ]
         },
         "node_modules/@rollup/rollup-freebsd-arm64": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.40.2.tgz",
-            "integrity": "sha512-8t6aL4MD+rXSHHZUR1z19+9OFJ2rl1wGKvckN47XFRVO+QL/dUSpKA2SLRo4vMg7ELA8pzGpC+W9OEd1Z/ZqoQ==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.41.0.tgz",
+            "integrity": "sha512-GSxU6r5HnWij7FoSo7cZg3l5GPg4HFLkzsFFh0N/b16q5buW1NAWuCJ+HMtIdUEi6XF0qH+hN0TEd78laRp7Dg==",
             "cpu": [
                 "arm64"
             ],
@@ -2580,9 +2579,9 @@
             ]
         },
         "node_modules/@rollup/rollup-freebsd-x64": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.40.2.tgz",
-            "integrity": "sha512-C+AyHBzfpsOEYRFjztcYUFsH4S7UsE9cDtHCtma5BK8+ydOZYgMmWg1d/4KBytQspJCld8ZIujFMAdKG1xyr4Q==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.41.0.tgz",
+            "integrity": "sha512-KGiGKGDg8qLRyOWmk6IeiHJzsN/OYxO6nSbT0Vj4MwjS2XQy/5emsmtoqLAabqrohbgLWJ5GV3s/ljdrIr8Qjg==",
             "cpu": [
                 "x64"
             ],
@@ -2593,9 +2592,9 @@
             ]
         },
         "node_modules/@rollup/rollup-linux-arm-gnueabihf": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.40.2.tgz",
-            "integrity": "sha512-de6TFZYIvJwRNjmW3+gaXiZ2DaWL5D5yGmSYzkdzjBDS3W+B9JQ48oZEsmMvemqjtAFzE16DIBLqd6IQQRuG9Q==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.41.0.tgz",
+            "integrity": "sha512-46OzWeqEVQyX3N2/QdiU/CMXYDH/lSHpgfBkuhl3igpZiaB3ZIfSjKuOnybFVBQzjsLwkus2mjaESy8H41SzvA==",
             "cpu": [
                 "arm"
             ],
@@ -2606,9 +2605,9 @@
             ]
         },
         "node_modules/@rollup/rollup-linux-arm-musleabihf": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.40.2.tgz",
-            "integrity": "sha512-urjaEZubdIkacKc930hUDOfQPysezKla/O9qV+O89enqsqUmQm8Xj8O/vh0gHg4LYfv7Y7UsE3QjzLQzDYN1qg==",
+            "version": "4.41.0",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.41.0.tgz",
+            "integrity": "sha512-lfgW3KtQP4YauqdPpcUZHPcqQXmTmH4nYU0cplNeW583CMkAGjtImw4PKli09NFi2iQgChk4e9erkwlfYem6Lg==",
             "cpu": [
                 "arm"
             ],
@@ -2619,9 +2618,9 @@
             ]
         },
         "node_modules/@rollup/rollup-linux-arm64-gnu": {
-            "version": "4.40.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.40.2.tgz",
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@@ -7804,9 +7803,9 @@
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@@ -8277,9 +8276,9 @@
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@@ -10079,9 +10078,9 @@
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-                "@rollup/rollup-win32-x64-msvc": "4.40.2",
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+                "@rollup/rollup-android-arm64": "4.41.0",
+                "@rollup/rollup-darwin-arm64": "4.41.0",
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+                "@rollup/rollup-linux-x64-gnu": "4.41.0",
+                "@rollup/rollup-linux-x64-musl": "4.41.0",
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@@ -10917,9 +10916,9 @@
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@@ -11044,14 +11043,13 @@
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+            "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.11.6.tgz",
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             "license": "MIT",
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-                "@pkgr/core": "^0.2.4",
-                "tslib": "^2.8.1"
+                "@pkgr/core": "^0.2.4"
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@@ -11849,9 +11847,9 @@
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@@ -11991,19 +11989,19 @@
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-                "@vitest/spy": "3.1.3",
-                "@vitest/utils": "3.1.3",
+                "@vitest/expect": "3.1.4",
+                "@vitest/mocker": "3.1.4",
+                "@vitest/pretty-format": "^3.1.4",
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@@ -12016,7 +12014,7 @@
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                 "tinyrainbow": "^2.0.0",
                 "vite": "^5.0.0 || ^6.0.0",
-                "vite-node": "3.1.3",
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@@ -12032,8 +12030,8 @@
                 "@edge-runtime/vm": "*",
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-                "@vitest/browser": "3.1.3",
-                "@vitest/ui": "3.1.3",
+                "@vitest/browser": "3.1.4",
+                "@vitest/ui": "3.1.4",
                 "happy-dom": "*",
                 "jsdom": "*"
             },

package.json

@@ -1,6 +1,6 @@
 {
     "name": "dwengo-1",
-    "version": "0.2.0",
+    "version": "1.0.0",
     "description": "Monorepo for Dwengo-1",
     "private": true,
     "type": "module",