refactor: steek seed in tool folder

backend/tool/seed.ts

@@ -0,0 +1,72 @@
+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";
+import { getLogger, Logger } from '../src/logging/initalize.js';
+
+const logger: Logger = getLogger();
+
+export async function seedDatabase() : Promise<void> {
+    dotenv.config({ path: '.env.development.local' });
+    const orm = await initORM();
+    await orm.schema.clearDatabase();
+
+    const em = forkEntityManager();
+
+    logger.info("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,
+    ]);
+
+    logger.info('Development database seeded successfully!');
+
+    await orm.close();
+}
+
+seedDatabase().catch(logger.error);