77 lines
4.4 KiB
TypeScript
77 lines
4.4 KiB
TypeScript
import { AnyEntity, EntityManager, EntityName, EntityRepository } from '@mikro-orm/core';
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import { forkEntityManager } from '../orm.js';
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import { StudentRepository } from './users/student-repository.js';
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import { Student } from '../entities/users/student.entity.js';
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import { Teacher } from '../entities/users/teacher.entity.js';
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import { TeacherRepository } from './users/teacher-repository.js';
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import { Class } from '../entities/classes/class.entity.js';
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import { ClassRepository } from './classes/class-repository.js';
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import { ClassJoinRequest } from '../entities/classes/class-join-request.entity.js';
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import { ClassJoinRequestRepository } from './classes/class-join-request-repository.js';
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import { TeacherInvitationRepository } from './classes/teacher-invitation-repository.js';
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import { TeacherInvitation } from '../entities/classes/teacher-invitation.entity.js';
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import { Assignment } from '../entities/assignments/assignment.entity.js';
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import { AssignmentRepository } from './assignments/assignment-repository.js';
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import { GroupRepository } from './assignments/group-repository.js';
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import { Group } from '../entities/assignments/group.entity.js';
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import { Submission } from '../entities/assignments/submission.entity.js';
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import { SubmissionRepository } from './assignments/submission-repository.js';
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import { Question } from '../entities/questions/question.entity.js';
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import { QuestionRepository } from './questions/question-repository.js';
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import { Answer } from '../entities/questions/answer.entity.js';
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import { AnswerRepository } from './questions/answer-repository.js';
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import { LearningObject } from '../entities/content/learning-object.entity.js';
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import { LearningObjectRepository } from './content/learning-object-repository.js';
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import { LearningPath } from '../entities/content/learning-path.entity.js';
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import { LearningPathRepository } from './content/learning-path-repository.js';
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import { AttachmentRepository } from './content/attachment-repository.js';
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import { Attachment } from '../entities/content/attachment.entity.js';
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import { LearningPathNode } from '../entities/content/learning-path-node.entity.js';
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import { LearningPathTransition } from '../entities/content/learning-path-transition.entity.js';
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let entityManager: EntityManager | undefined;
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/**
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* Execute all the database operations within the function f in a single transaction.
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*/
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export function transactional<T>(f: () => Promise<T>) {
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entityManager?.transactional(f);
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}
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function repositoryGetter<T extends AnyEntity, R extends EntityRepository<T>>(entity: EntityName<T>): () => R {
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let cachedRepo: R | undefined;
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return (): R => {
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if (!cachedRepo) {
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if (!entityManager) {
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entityManager = forkEntityManager();
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}
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cachedRepo = entityManager.getRepository(entity) as R;
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}
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return cachedRepo;
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};
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}
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/* Users */
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export const getStudentRepository = repositoryGetter<Student, StudentRepository>(Student);
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export const getTeacherRepository = repositoryGetter<Teacher, TeacherRepository>(Teacher);
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/* Classes */
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export const getClassRepository = repositoryGetter<Class, ClassRepository>(Class);
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export const getClassJoinRequestRepository = repositoryGetter<ClassJoinRequest, ClassJoinRequestRepository>(ClassJoinRequest);
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export const getTeacherInvitationRepository = repositoryGetter<TeacherInvitation, TeacherInvitationRepository>(TeacherInvitation);
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/* Assignments */
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export const getAssignmentRepository = repositoryGetter<Assignment, AssignmentRepository>(Assignment);
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export const getGroupRepository = repositoryGetter<Group, GroupRepository>(Group);
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export const getSubmissionRepository = repositoryGetter<Submission, SubmissionRepository>(Submission);
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/* Questions and answers */
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export const getQuestionRepository = repositoryGetter<Question, QuestionRepository>(Question);
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export const getAnswerRepository = repositoryGetter<Answer, AnswerRepository>(Answer);
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/* Learning content */
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export const getLearningObjectRepository = repositoryGetter<LearningObject, LearningObjectRepository>(LearningObject);
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export const getLearningPathRepository = repositoryGetter<LearningPath, LearningPathRepository>(LearningPath);
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export const getLearningPathNodeRepository = repositoryGetter(LearningPathNode);
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export const getLearningPathTransitionRepository = repositoryGetter(LearningPathTransition);
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export const getAttachmentRepository = repositoryGetter<Attachment, AttachmentRepository>(Attachment);
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