Merge pull request #214 from SELab-2/fix/213-assignment-and-group-questions

fix: Assignments en group questions

backend/src/controllers/assignments.ts

@@ -4,6 +4,7 @@ import {
     deleteAssignment,
     getAllAssignments,
     getAssignment,
+    getAssignmentsQuestions,
     getAssignmentsSubmissions,
     putAssignment,
 } from '../services/assignments.js';
@@ -13,6 +14,19 @@ import { BadRequestException } from '../exceptions/bad-request-exception.js';
 import { Assignment } from '../entities/assignments/assignment.entity.js';
 import { EntityDTO } from '@mikro-orm/core';
 
+function getAssignmentParams(req: Request): { classid: string; assignmentNumber: number; full: boolean } {
+    const classid = req.params.classid;
+    const assignmentNumber = Number(req.params.id);
+    const full = req.query.full === 'true';
+    requireFields({ assignmentNumber, classid });
+
+    if (isNaN(assignmentNumber)) {
+        throw new BadRequestException('Assignment id should be a number');
+    }
+
+    return { classid, assignmentNumber, full };
+}
+
 export async function getAllAssignmentsHandler(req: Request, res: Response): Promise<void> {
     const classId = req.params.classid;
     const full = req.query.full === 'true';
@@ -38,58 +52,42 @@ export async function createAssignmentHandler(req: Request, res: Response): Prom
 }
 
 export async function getAssignmentHandler(req: Request, res: Response): Promise<void> {
-    const id = Number(req.params.id);
-    const classid = req.params.classid;
-    requireFields({ id, classid });
+    const { classid, assignmentNumber } = getAssignmentParams(req);
 
-    if (isNaN(id)) {
-        throw new BadRequestException('Assignment id should be a number');
-    }
-
-    const assignment = await getAssignment(classid, id);
+    const assignment = await getAssignment(classid, assignmentNumber);
 
     res.json({ assignment });
 }
 
 export async function putAssignmentHandler(req: Request, res: Response): Promise<void> {
-    const id = Number(req.params.id);
-    const classid = req.params.classid;
-    requireFields({ id, classid });
-
-    if (isNaN(id)) {
-        throw new BadRequestException('Assignment id should be a number');
-    }
+    const { classid, assignmentNumber } = getAssignmentParams(req);
 
     const assignmentData = req.body as Partial<EntityDTO<Assignment>>;
-    const assignment = await putAssignment(classid, id, assignmentData);
+    const assignment = await putAssignment(classid, assignmentNumber, assignmentData);
 
     res.json({ assignment });
 }
 
 export async function deleteAssignmentHandler(req: Request, res: Response): Promise<void> {
-    const id = Number(req.params.id);
-    const classid = req.params.classid;
-    requireFields({ id, classid });
+    const { classid, assignmentNumber } = getAssignmentParams(req);
 
-    if (isNaN(id)) {
-        throw new BadRequestException('Assignment id should be a number');
-    }
+    const assignment = await deleteAssignment(classid, assignmentNumber);
 
-    const assignment = await deleteAssignment(classid, id);
     res.json({ assignment });
 }
 
 export async function getAssignmentsSubmissionsHandler(req: Request, res: Response): Promise<void> {
-    const classid = req.params.classid;
-    const assignmentNumber = Number(req.params.id);
-    const full = req.query.full === 'true';
-    requireFields({ assignmentNumber, classid });
-
-    if (isNaN(assignmentNumber)) {
-        throw new BadRequestException('Assignment id should be a number');
-    }
+    const { classid, assignmentNumber, full } = getAssignmentParams(req);
 
     const submissions = await getAssignmentsSubmissions(classid, assignmentNumber, full);
 
     res.json({ submissions });
 }
+
+export async function getAssignmentQuestionsHandler(req: Request, res: Response): Promise<void> {
+    const { classid, assignmentNumber, full } = getAssignmentParams(req);
+
+    const questions = await getAssignmentsQuestions(classid, assignmentNumber, full);
+
+    res.json({ questions });
+}

backend/src/controllers/groups.ts

@@ -1,5 +1,5 @@
 import { Request, Response } from 'express';
-import { createGroup, deleteGroup, getAllGroups, getGroup, getGroupSubmissions, putGroup } from '../services/groups.js';
+import { createGroup, deleteGroup, getAllGroups, getGroup, getGroupQuestions, getGroupSubmissions, putGroup } from '../services/groups.js';
 import { GroupDTO } from '@dwengo-1/common/interfaces/group';
 import { requireFields } from './error-helper.js';
 import { BadRequestException } from '../exceptions/bad-request-exception.js';
@@ -84,7 +84,7 @@ export async function createGroupHandler(req: Request, res: Response): Promise<v
     res.status(201).json({ group });
 }
 
-export async function getGroupSubmissionsHandler(req: Request, res: Response): Promise<void> {
+function getGroupParams(req: Request): { classId: string; assignmentId: number; groupId: number; full: boolean } {
     const classId = req.params.classid;
     const assignmentId = Number(req.params.assignmentid);
     const groupId = Number(req.params.groupid);
@@ -100,7 +100,21 @@ export async function getGroupSubmissionsHandler(req: Request, res: Response): P
         throw new BadRequestException('Group id must be a number');
     }
 
+    return { classId, assignmentId, groupId, full };
+}
+
+export async function getGroupSubmissionsHandler(req: Request, res: Response): Promise<void> {
+    const { classId, assignmentId, groupId, full } = getGroupParams(req);
+
     const submissions = await getGroupSubmissions(classId, assignmentId, groupId, full);
 
     res.json({ submissions });
 }
+
+export async function getGroupQuestionsHandler(req: Request, res: Response): Promise<void> {
+    const { classId, assignmentId, groupId, full } = getGroupParams(req);
+
+    const questions = await getGroupQuestions(classId, assignmentId, groupId, full);
+
+    res.json({ questions });
+}

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

@@ -62,9 +62,7 @@ export class QuestionRepository extends DwengoEntityRepository<Question> {
 
     public async findAllByAssignment(assignment: Assignment): Promise<Question[]> {
         return this.find({
-            inGroup: {
-                $contained: assignment.groups,
-            },
+            inGroup: assignment.groups.getItems(),
             learningObjectHruid: assignment.learningPathHruid,
             learningObjectLanguage: assignment.learningPathLanguage,
         });
@@ -77,6 +75,13 @@ export class QuestionRepository extends DwengoEntityRepository<Question> {
         });
     }
 
+    public async findAllByGroup(inGroup: Group): Promise<Question[]> {
+        return this.findAll({
+            where: { inGroup },
+            orderBy: { timestamp: 'DESC' },
+        });
+    }
+
     /**
      * Looks up all questions for the given learning object which were asked as part of the given assignment.
      * When forStudentUsername is set, only the questions within the given user's group are shown.

backend/src/routes/assignments.ts

@@ -4,6 +4,7 @@ import {
     deleteAssignmentHandler,
     getAllAssignmentsHandler,
     getAssignmentHandler,
+    getAssignmentQuestionsHandler,
     getAssignmentsSubmissionsHandler,
     putAssignmentHandler,
 } from '../controllers/assignments.js';
@@ -23,11 +24,7 @@ router.delete('/:id', deleteAssignmentHandler);
 
 router.get('/:id/submissions', getAssignmentsSubmissionsHandler);
 
-router.get('/:id/questions', (_req, res) => {
-    res.json({
-        questions: ['0'],
-    });
-});
+router.get('/:id/questions', getAssignmentQuestionsHandler);
 
 router.use('/:assignmentid/groups', groupRouter);
 

backend/src/routes/groups.ts

@@ -4,6 +4,7 @@ import {
     deleteGroupHandler,
     getAllGroupsHandler,
     getGroupHandler,
+    getGroupQuestionsHandler,
     getGroupSubmissionsHandler,
     putGroupHandler,
 } from '../controllers/groups.js';
@@ -23,4 +24,6 @@ router.delete('/:groupid', deleteGroupHandler);
 
 router.get('/:groupid/submissions', getGroupSubmissionsHandler);
 
+router.get('/:groupid/questions', getGroupQuestionsHandler);
+
 export default router;

backend/src/services/groups.ts

@@ -1,5 +1,5 @@
 import { EntityDTO } from '@mikro-orm/core';
-import { getGroupRepository, getSubmissionRepository } from '../data/repositories.js';
+import { getGroupRepository, getQuestionRepository, getSubmissionRepository } from '../data/repositories.js';
 import { Group } from '../entities/assignments/group.entity.js';
 import { mapToGroupDTO, mapToGroupDTOId } from '../interfaces/group.js';
 import { mapToSubmissionDTO, mapToSubmissionDTOId } from '../interfaces/submission.js';
@@ -12,6 +12,8 @@ import { fetchClass } from './classes.js';
 import { BadRequestException } from '../exceptions/bad-request-exception.js';
 import { Student } from '../entities/users/student.entity.js';
 import { Class } from '../entities/classes/class.entity.js';
+import { QuestionDTO, QuestionId } from '@dwengo-1/common/interfaces/question';
+import { mapToQuestionDTO, mapToQuestionDTOId } from '../interfaces/question.js';
 
 async function assertMembersInClass(members: Student[], cls: Class): Promise<void> {
     if (!members.every((student) => cls.students.contains(student))) {
@@ -121,3 +123,21 @@ export async function getGroupSubmissions(
 
     return submissions.map(mapToSubmissionDTOId);
 }
+
+export async function getGroupQuestions(
+    classId: string,
+    assignmentNumber: number,
+    groupNumber: number,
+    full: boolean
+): Promise<QuestionDTO[] | QuestionId[]> {
+    const group = await fetchGroup(classId, assignmentNumber, groupNumber);
+
+    const questionRepository = getQuestionRepository();
+    const questions = await questionRepository.findAllByGroup(group);
+
+    if (full) {
+        return questions.map(mapToQuestionDTO);
+    }
+
+    return questions.map(mapToQuestionDTOId);
+}