2025SELab2-project-Dwengo/backend/src/services/class.ts

87 lines
2.3 KiB
TypeScript

import {
getClassRepository,
getTeacherInvitationRepository,
} from '../data/repositories.js';
import { ClassDTO, mapToClassDTO } from '../interfaces/class.js';
import { mapToStudentDTO, StudentDTO } from '../interfaces/student.js';
import {
mapToTeacherInvitationDTO,
mapToTeacherInvitationDTOIds,
TeacherInvitationDTO,
} from '../interfaces/teacher-invitation.js';
export async function getAllClasses(
full: boolean
): Promise<ClassDTO[] | string[]> {
const classRepository = getClassRepository();
const classes = await classRepository.find(
{},
{ populate: ['students', 'teachers'] }
);
if (!classes) {
return [];
}
if (full) {
return classes.map(mapToClassDTO);
}
return classes.map((cls) => {
return cls.classId;
});
}
export async function getClass(classId: string): Promise<ClassDTO | null> {
const classRepository = getClassRepository();
const cls = await classRepository.findById(classId);
if (!cls) {
return null;
}
return mapToClassDTO(cls);
}
async function fetchClassStudents(classId: string): Promise<StudentDTO[]> {
const classRepository = getClassRepository();
const cls = await classRepository.findById(classId);
if (!cls) {
return [];
}
return cls.students.map(mapToStudentDTO);
}
export async function getClassStudents(classId: string): Promise<StudentDTO[]> {
return await fetchClassStudents(classId);
}
export async function getClassStudentsIds(classId: string): Promise<string[]> {
const students: StudentDTO[] = await fetchClassStudents(classId);
return students.map((student) => {
return student.username;
});
}
export async function getClassTeacherInvitations(
classId: string,
full: boolean
): Promise<TeacherInvitationDTO[]> {
const classRepository = getClassRepository();
const cls = await classRepository.findById(classId);
if (!cls) {
return [];
}
const teacherInvitationRepository = getTeacherInvitationRepository();
const invitations =
await teacherInvitationRepository.findAllInvitationsForClass(cls);
if (full) {
return invitations.map(mapToTeacherInvitationDTO);
}
return invitations.map(mapToTeacherInvitationDTOIds);
}