2025SELab2-project-Dwengo/backend/src/services/classes.ts
2025-03-23 19:49:41 +01:00

99 lines
3.4 KiB
TypeScript

import { getClassRepository, getStudentRepository, getTeacherInvitationRepository, getTeacherRepository } from '../data/repositories.js';
import { Class } from '../entities/classes/class.entity.js';
import { ClassDTO, mapToClassDTO } from '../interfaces/class.js';
import { mapToStudentDTO, StudentDTO } from '../interfaces/student.js';
import { mapToTeacherInvitationDTO, mapToTeacherInvitationDTOIds, TeacherInvitationDTO } from '../interfaces/teacher-invitation.js';
import { getLogger } from '../logging/initalize.js';
const logger = getLogger();
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) => cls.classId!);
}
export async function createClass(classData: ClassDTO): Promise<ClassDTO | null> {
const teacherRepository = getTeacherRepository();
const teacherUsernames = classData.teachers || [];
const teachers = (await Promise.all(teacherUsernames.map((id) => teacherRepository.findByUsername(id)))).filter((teacher) => teacher != null);
const studentRepository = getStudentRepository();
const studentUsernames = classData.students || [];
const students = (await Promise.all(studentUsernames.map((id) => studentRepository.findByUsername(id)))).filter((student) => student != null);
//Const cls = mapToClass(classData, teachers, students);
const classRepository = getClassRepository();
try {
const newClass = classRepository.create({
displayName: classData.displayName,
teachers: teachers,
students: students,
});
await classRepository.save(newClass);
return mapToClassDTO(newClass);
} catch (e) {
logger.error(e);
return null;
}
}
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) => 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);
}