2025SELab2-project-Dwengo/backend/src/services/teachers.ts
2025-03-07 20:05:16 +01:00

38 lines
1.3 KiB
TypeScript

import {getTeacherRepository} from "../data/repositories.js";
import {mapToTeacher, mapToTeacherDTO, TeacherDTO} from "../interfaces/teacher.js";
import { Teacher } from "../entities/users/teacher.entity";
export async function fetchAllTeachers(): Promise<TeacherDTO[]> {
const teacherRepository = getTeacherRepository();
const teachers = await teacherRepository.find({});
return teachers.map(mapToTeacherDTO);
}
export async function createTeacher(teacherData: TeacherDTO): Promise<Teacher> {
const teacherRepository = getTeacherRepository();
const newTeacher = mapToTeacher(teacherData);
await teacherRepository.addTeacher(newTeacher);
return newTeacher;
}
export async function fetchTeacherByUsername(username: string): Promise<TeacherDTO | null> {
const teacherRepository = getTeacherRepository();
const teacher = await teacherRepository.findByUsername(username);
return teacher ? mapToTeacherDTO(teacher) : null;
}
export async function deleteTeacher(username: string): Promise<TeacherDTO | null> {
const teacherRepository = getTeacherRepository();
const teacher = await teacherRepository.findByUsername(username);
if (!teacher)
return null;
await teacherRepository.deleteByUsername(username);
return teacher;
}