fix: problee m met mergen en zorgen student Gerald in db komt bij npm run dev runnen

backend/package.json

@@ -7,7 +7,7 @@
     "main": "dist/app.js",
     "scripts": {
         "build": "cross-env NODE_ENV=production tsc --build",
-        "dev": "cross-env NODE_ENV=development tsx watch --env-file=.env.development.local src/app.ts",
+        "dev": "cross-env NODE_ENV=development tsx seed.ts; tsx watch --env-file=.env.development.local src/app.ts",
         "start": "cross-env NODE_ENV=production node --env-file=.env dist/app.js",
         "format": "prettier --write src/",
         "format-check": "prettier --check src/",

backend/seed.ts

@@ -0,0 +1,69 @@
+import { forkEntityManager, initORM } from "./src/orm.js";
+import dotenv from 'dotenv';
+import { makeTestAssignemnts } from "./tests/test_assets/assignments/assignments.testdata.js";
+import { makeTestGroups } from "./tests/test_assets/assignments/groups.testdata.js";
+import { makeTestSubmissions } from "./tests/test_assets/assignments/submission.testdata.js";
+import { makeTestClassJoinRequests } from "./tests/test_assets/classes/class-join-requests.testdata.js";
+import { makeTestClasses } from "./tests/test_assets/classes/classes.testdata.js";
+import { makeTestTeacherInvitations } from "./tests/test_assets/classes/teacher-invitations.testdata.js";
+import { makeTestAttachments } from "./tests/test_assets/content/attachments.testdata.js";
+import { makeTestLearningObjects } from "./tests/test_assets/content/learning-objects.testdata.js";
+import { makeTestLearningPaths } from "./tests/test_assets/content/learning-paths.testdata.js";
+import { makeTestAnswers } from "./tests/test_assets/questions/answers.testdata.js";
+import { makeTestQuestions } from "./tests/test_assets/questions/questions.testdata.js";
+import { makeTestStudents } from "./tests/test_assets/users/students.testdata.js";
+import { makeTestTeachers } from "./tests/test_assets/users/teachers.testdata.js";
+
+export async function seedDatabase() {
+    dotenv.config({ path: '.env.development.local' });
+    const orm = await initORM();
+    await orm.schema.clearDatabase();
+
+    const em = forkEntityManager();
+
+    console.log("seeding database...")
+
+    const students = makeTestStudents(em);
+    const teachers = makeTestTeachers(em);
+    const learningObjects = makeTestLearningObjects(em);
+    const learningPaths = makeTestLearningPaths(em);
+    const classes = makeTestClasses(em, students, teachers);
+    const assignments = makeTestAssignemnts(em, classes);
+    const groups = makeTestGroups(em, students, assignments);
+
+    assignments[0].groups = groups.slice(0, 3);
+    assignments[1].groups = groups.slice(3, 4);
+
+    const teacherInvitations = makeTestTeacherInvitations(em, teachers, classes);
+    const classJoinRequests = makeTestClassJoinRequests(em, students, classes);
+    const attachments = makeTestAttachments(em, learningObjects);
+
+    learningObjects[1].attachments = attachments;
+
+    const questions = makeTestQuestions(em, students);
+    const answers = makeTestAnswers(em, teachers, questions);
+    const submissions = makeTestSubmissions(em, students, groups);
+
+    // Persist all entities
+    await em.persistAndFlush([
+        ...students,
+        ...teachers,
+        ...learningObjects,
+        ...learningPaths,
+        ...classes,
+        ...assignments,
+        ...groups,
+        ...teacherInvitations,
+        ...classJoinRequests,
+        ...attachments,
+        ...questions,
+        ...answers,
+        ...submissions,
+    ]);
+
+    console.log('Development database seeded successfully!');
+
+    await orm.close();
+}
+
+seedDatabase().catch(console.error);

backend/src/orm.ts

@@ -1,10 +1,10 @@
-import { EntityManager, MikroORM } from '@mikro-orm/core';
+import { Connection, EntityManager, IDatabaseDriver, MikroORM } from '@mikro-orm/core';
 import config from './mikro-orm.config.js';
 import { envVars, getEnvVar } from './util/envVars.js';
 import { getLogger, Logger } from './logging/initalize.js';
 
 let orm: MikroORM | undefined;
-export async function initORM(testingMode = false): Promise<void> {
+export async function initORM(testingMode = false): Promise<MikroORM<IDatabaseDriver<Connection>, EntityManager<IDatabaseDriver<Connection>>>> {
     const logger: Logger = getLogger();
 
     logger.info('Initializing ORM');
@@ -25,6 +25,8 @@ export async function initORM(testingMode = false): Promise<void> {
             );
         }
     }
+
+    return orm;
 }
 export function forkEntityManager(): EntityManager {
     if (!orm) {

backend/tests/test_assets/users/students.testdata.ts

@@ -1,5 +1,6 @@
 import { EntityManager } from '@mikro-orm/core';
 import { Student } from '../../../src/entities/users/student.entity';
+import { fixupRule } from '@eslint/compat';
 
 // 🔓 Ruwe testdata array — herbruikbaar in assertions
 export const TEST_STUDENTS = [
@@ -11,6 +12,8 @@ export const TEST_STUDENTS = [
     { username: 'TheDoors', firstName: 'Jim', lastName: 'Morisson' },
     // ⚠️ Deze mag niet gebruikt worden in elke test!
     { username: 'Nirvana', firstName: 'Kurt', lastName: 'Cobain' },
+    // makes sure when logged in as leerling1, there exists a corresponding user
+    { username: 'testleerling1', firstName: 'Gerald', lastName: 'Schmittinger'},
 ];
 
 // 🏗️ Functie die ORM entities maakt uit de data array