feat: POST method voor assignment geimplementeerd

backend/src/controllers/assignments.ts

@@ -1,5 +1,7 @@
 import { Request, Response } from 'express';
-import { getAllAssignments, getAssignment, getAssignmentsSubmissions } from '../services/assignments.js';
+import { createAssignment, getAllAssignments, getAssignment, getAssignmentsSubmissions } from '../services/assignments.js';
+import { AssignmentDTO, mapToAssignment, mapToAssignmentDTO } from '../interfaces/assignment.js';
+import { getAssignmentRepository, getClassRepository } from '../data/repositories.js';
 
 // Typescript is annoy with with parameter forwarding from class.ts
 interface AssignmentParams {
@@ -21,6 +23,34 @@ export async function getAllAssignmentsHandler(
     });
 }
 
+export async function createAssignmentHandler(
+    req: Request<AssignmentParams>,
+    res: Response,
+): Promise<void> {
+    const classid = req.params.classid;
+    const assignmentData = req.body as AssignmentDTO;
+
+    if (!assignmentData.description 
+        || !assignmentData.language 
+        || !assignmentData.learningPath 
+        || !assignmentData.title
+    ) {
+        res.status(400).json({
+            error: 'Missing one or more required fields: title, description, learningPath, title',
+        });
+        return;
+    }
+
+    const assignment = createAssignment(classid, assignmentData);
+
+    if (!assignment) {
+        res.status(500).json({ error: "Could not create assignment "});
+        return;
+    }
+
+    res.status(201).json({ assignment: assignment });
+}
+
 export async function getAssignmentHandler(
     req: Request<AssignmentParams>,
     res: Response

backend/src/entities/assignments/assignment.entity.ts

@@ -25,8 +25,8 @@ export class Assignment {
     })
     within!: Class;
 
-    @PrimaryKey({ type: 'number' })
+    @PrimaryKey({ type: 'number', autoincrement: true })
-    id!: number;
+    id?: number;
 
     @Property({ type: 'string' })
     title!: string;

backend/src/interfaces/assignment.ts

@@ -1,4 +1,7 @@
+import { FALLBACK_LANG } from '../config.js';
 import { Assignment } from '../entities/assignments/assignment.entity.js';
+import { Class } from '../entities/classes/class.entity.js';
+import { languageMap } from '../entities/content/language.js';
 import { GroupDTO, mapToGroupDTO } from './group.js';
 
 export interface AssignmentDTO {
@@ -13,7 +16,7 @@ export interface AssignmentDTO {
 
 export function mapToAssignmentDTOId(assignment: Assignment): AssignmentDTO {
     return {
-        id: assignment.id,
+        id: assignment.id!,
         class: assignment.within.classId,
         title: assignment.title,
         description: assignment.description,
@@ -25,7 +28,7 @@ export function mapToAssignmentDTOId(assignment: Assignment): AssignmentDTO {
 
 export function mapToAssignmentDTO(assignment: Assignment): AssignmentDTO {
     return {
-        id: assignment.id,
+        id: assignment.id!,
         class: assignment.within.classId,
         title: assignment.title,
         description: assignment.description,
@@ -34,3 +37,16 @@ export function mapToAssignmentDTO(assignment: Assignment): AssignmentDTO {
         // Groups: assignment.groups.map(mapToGroupDTO),
     };
 }
+
+export function mapToAssignment(assignmentData: AssignmentDTO, cls: Class): Assignment {
+    const assignment = new Assignment();
+    assignment.title = assignmentData.title;
+    assignment.description = assignmentData.description;
+    assignment.learningPathHruid = assignmentData.learningPath;
+    assignment.learningPathLanguage = languageMap[assignmentData.language] || FALLBACK_LANG;
+    assignment.within = cls;
+
+    console.log(assignment);
+
+    return assignment;
+}

backend/src/routes/assignments.ts

@@ -1,5 +1,6 @@
 import express from 'express';
 import {
+    createAssignmentHandler,
     getAllAssignmentsHandler,
     getAssignmentHandler,
     getAssignmentsSubmissionsHandler,
@@ -11,6 +12,8 @@ const router = express.Router({ mergeParams: true });
 // Root endpoint used to search objects
 router.get('/', getAllAssignmentsHandler);
 
+router.post('/', createAssignmentHandler);
+
 // Information about an assignment with id 'id'
 router.get('/:id', getAssignmentHandler);
 

backend/src/services/assignments.ts

@@ -4,8 +4,10 @@ import {
     getGroupRepository,
     getSubmissionRepository,
 } from '../data/repositories.js';
+import { Assignment } from '../entities/assignments/assignment.entity.js';
 import {
     AssignmentDTO,
+    mapToAssignment,
     mapToAssignmentDTO,
     mapToAssignmentDTOId,
 } from '../interfaces/assignment.js';
@@ -33,6 +35,31 @@ export async function getAllAssignments(
     return assignments.map(mapToAssignmentDTOId);
 }
 
+export async function createAssignment(
+    classid: string,
+    assignmentData: AssignmentDTO,
+): Promise<Assignment | null> {
+    const classRepository = getClassRepository();
+    const cls = await classRepository.findById(classid);
+
+    if  (!cls) {
+        return null;
+    }
+
+    const assignment = mapToAssignment(assignmentData, cls);
+    const assignmentRepository = getAssignmentRepository();
+
+    try {
+        const newAssignment = assignmentRepository.create(assignment);
+        await assignmentRepository.save(newAssignment);
+
+        return newAssignment;
+    } catch(e) {
+        return null;
+    }
+
+}
+
 export async function getAssignment(
     classid: string,
     id: number