feat(backend): Controller en route voor het aanmaken van leerobjecten aangemaakt.

backend/package.json

@@ -31,6 +31,7 @@
         "cross-env": "^7.0.3",
         "dotenv": "^16.4.7",
         "express": "^5.0.1",
+        "express-fileupload": "^1.5.1",
         "express-jwt": "^8.5.1",
         "gift-pegjs": "^1.0.2",
         "isomorphic-dompurify": "^2.22.0",
@@ -51,6 +52,7 @@
         "@mikro-orm/cli": "6.4.12",
         "@types/cors": "^2.8.17",
         "@types/express": "^5.0.0",
+        "@types/express-fileupload": "^1.5.1",
         "@types/js-yaml": "^4.0.9",
         "@types/node": "^22.13.4",
         "@types/response-time": "^2.3.8",

backend/src/controllers/learning-objects.ts

@@ -7,6 +7,7 @@ import { BadRequestException } from '../exceptions/bad-request-exception.js';
 import { NotFoundException } from '../exceptions/not-found-exception.js';
 import { envVars, getEnvVar } from '../util/envVars.js';
 import { FilteredLearningObject, LearningObjectIdentifierDTO, LearningPathIdentifier } from '@dwengo-1/common/interfaces/learning-content';
+import {UploadedFile} from "express-fileupload";
 
 function getLearningObjectIdentifierFromRequest(req: Request): LearningObjectIdentifierDTO {
     if (!req.params.hruid) {
@@ -72,3 +73,10 @@ export async function getAttachment(req: Request, res: Response): Promise<void>
     }
     res.setHeader('Content-Type', attachment.mimeType).send(attachment.content);
 }
+
+export async function handlePostLearningObject(req: Request, res: Response): Promise<void> {
+    if (!req.files || !req.files[0]) {
+        throw new BadRequestException('No file uploaded');
+    }
+    await learningObjectService.storeLearningObject((req.files[0] as UploadedFile).tempFilePath);
+}

backend/src/routes/learning-objects.ts

@@ -1,8 +1,15 @@
 import express from 'express';
-import { getAllLearningObjects, getAttachment, getLearningObject, getLearningObjectHTML } from '../controllers/learning-objects.js';
+import {
+    getAllLearningObjects,
+    getAttachment,
+    getLearningObject,
+    getLearningObjectHTML,
+    handlePostLearningObject
+} from '../controllers/learning-objects.js';
 
 import submissionRoutes from './submissions.js';
 import questionRoutes from './questions.js';
+import fileUpload from "express-fileupload";
 
 const router = express.Router();
 
@@ -18,6 +25,8 @@ const router = express.Router();
 // Example 2: http://localhost:3000/learningObject?full=true&hruid=un_artificiele_intelligentie
 router.get('/', getAllLearningObjects);
 
+router.post('/', fileUpload({useTempFiles: true}), handlePostLearningObject)
+
 // Parameter: hruid of learning object
 // Query: language
 // Route to fetch data of one learning object based on its hruid

backend/src/services/learning-objects/learning-object-service.ts

@@ -9,6 +9,7 @@ import {
 } from '@dwengo-1/common/interfaces/learning-content';
 import {getLearningObjectRepository} from "../../data/repositories";
 import {processLearningObjectZip} from "./learning-object-zip-processing-service";
+import {BadRequestException} from "../../exceptions/bad-request-exception";
 
 function getProvider(id: LearningObjectIdentifierDTO): LearningObjectProvider {
     if (id.hruid.startsWith(getEnvVar(envVars.UserContentPrefix))) {
@@ -58,7 +59,7 @@ const learningObjectService = {
         const learningObject = await processLearningObjectZip(learningObjectPath);
 
         if (!learningObject.hruid.startsWith(getEnvVar(envVars.UserContentPrefix))) {
-            throw Error("Learning object name must start with the user content prefix!");
+            throw new BadRequestException("Learning object name must start with the user content prefix!");
         }
 
         await learningObjectRepository.save(learningObject, {preventOverwrite: true});

backend/src/services/learning-objects/learning-object-zip-processing-service.ts

@@ -1,8 +1,9 @@
 import unzipper from 'unzipper';
 import mime from 'mime-types';
-import {LearningObjectMetadata} from "@dwengo-1/common/dist/interfaces/learning-content";
 import {LearningObject} from "../../entities/content/learning-object.entity";
 import {getAttachmentRepository, getLearningObjectRepository} from "../../data/repositories";
+import {BadRequestException} from "../../exceptions/bad-request-exception";
+import {LearningObjectMetadata} from "@dwengo-1/common/dist/interfaces/learning-content";
 
 /**
  * Process an uploaded zip file and construct a LearningObject from its contents.
@@ -20,7 +21,7 @@ export async function processLearningObjectZip(filePath: string): Promise<Learni
 
     for (const file of zip.files) {
         if (file.type === "Directory") {
-            throw Error("The learning object zip file should not contain directories.");
+            throw new BadRequestException("The learning object zip file should not contain directories.");
         } else if (file.path === "metadata.json") {
             metadata = await processMetadataJson(file);
         } else if (file.path.startsWith("index.")) {
@@ -34,10 +35,10 @@ export async function processLearningObjectZip(filePath: string): Promise<Learni
     }
 
     if (!metadata) {
-        throw Error("Missing metadata.json file");
+        throw new BadRequestException("Missing metadata.json file");
     }
     if (!content) {
-        throw Error("Missing index file");
+        throw new BadRequestException("Missing index file");
     }
 
     const learningObject = learningObjectRepo.create(metadata);