2025SELab2-project-Dwengo/backend/src/services/teacher-invitations.ts
2025-04-22 16:04:52 +00:00

91 lines
3.9 KiB
TypeScript

import { fetchTeacher } from './teachers.js';
import { getTeacherInvitationRepository } from '../data/repositories.js';
import { mapToInvitation, mapToTeacherInvitationDTO } from '../interfaces/teacher-invitation.js';
import { addClassTeacher, fetchClass } from './classes.js';
import { TeacherInvitationData, TeacherInvitationDTO } from '@dwengo-1/common/interfaces/teacher-invitation';
import { ConflictException } from '../exceptions/conflict-exception.js';
import { NotFoundException } from '../exceptions/not-found-exception.js';
import { TeacherInvitation } from '../entities/classes/teacher-invitation.entity.js';
import { ClassStatus } from '@dwengo-1/common/util/class-join-request';
export async function getAllInvitations(username: string, sent: boolean): Promise<TeacherInvitationDTO[]> {
const teacher = await fetchTeacher(username);
const teacherInvitationRepository = getTeacherInvitationRepository();
let invitations;
if (sent) {
invitations = await teacherInvitationRepository.findAllInvitationsBy(teacher);
} else {
invitations = await teacherInvitationRepository.findAllInvitationsFor(teacher);
}
return invitations.map(mapToTeacherInvitationDTO);
}
export async function createInvitation(data: TeacherInvitationData): Promise<TeacherInvitationDTO> {
const teacherInvitationRepository = getTeacherInvitationRepository();
const sender = await fetchTeacher(data.sender);
const receiver = await fetchTeacher(data.receiver);
const cls = await fetchClass(data.class);
if (!cls.teachers.contains(sender)) {
throw new ConflictException('The teacher sending the invite is not part of the class');
}
if (cls.teachers.contains(receiver)) {
throw new ConflictException('The teacher receiving the invite is already part of the class');
}
const newInvitation = mapToInvitation(sender, receiver, cls);
await teacherInvitationRepository.save(newInvitation, { preventOverwrite: true });
return mapToTeacherInvitationDTO(newInvitation);
}
async function fetchInvitation(usernameSender: string, usernameReceiver: string, classId: string): Promise<TeacherInvitation> {
const sender = await fetchTeacher(usernameSender);
const receiver = await fetchTeacher(usernameReceiver);
const cls = await fetchClass(classId);
const teacherInvitationRepository = getTeacherInvitationRepository();
const invite = await teacherInvitationRepository.findBy(cls, sender, receiver);
if (!invite) {
throw new NotFoundException('Teacher invite not found');
}
return invite;
}
export async function getInvitation(sender: string, receiver: string, classId: string): Promise<TeacherInvitationDTO> {
const invitation = await fetchInvitation(sender, receiver, classId);
return mapToTeacherInvitationDTO(invitation);
}
export async function updateInvitation(data: TeacherInvitationData): Promise<TeacherInvitationDTO> {
const invitation = await fetchInvitation(data.sender, data.receiver, data.class);
invitation.status = ClassStatus.Declined;
if (data.accepted) {
invitation.status = ClassStatus.Accepted;
await addClassTeacher(data.class, data.receiver);
}
const teacherInvitationRepository = getTeacherInvitationRepository();
await teacherInvitationRepository.save(invitation);
return mapToTeacherInvitationDTO(invitation);
}
export async function deleteInvitation(data: TeacherInvitationData): Promise<TeacherInvitationDTO> {
const invitation = await fetchInvitation(data.sender, data.receiver, data.class);
const sender = await fetchTeacher(data.sender);
const receiver = await fetchTeacher(data.receiver);
const cls = await fetchClass(data.class);
const teacherInvitationRepository = getTeacherInvitationRepository();
await teacherInvitationRepository.deleteBy(cls, sender, receiver);
return mapToTeacherInvitationDTO(invitation);
}