tdpeuter/2025SELab2-project-Dwengo
tdpeuter/2025SELab2-project-Dwengo
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Code Issues Releases 4 Packages 2 Wiki Activity

fix: juiste responsecodes en messages toegevoegd

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This commit is contained in:
Adriaan Jacquet 2025-03-23 19:49:41 +01:00
parent 59e8f2fcf2
commit 1664642940
9 changed files with 61 additions and 17 deletions
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32
backend/src/services/teachers.ts
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@ -64,11 +64,11 @@ export async function deleteTeacher(username: string): Promise<TeacherDTO | null
}
}
export async function fetchClassesByTeacher(username: string): Promise<ClassDTO[]> {
export async function fetchClassesByTeacher(username: string): Promise<ClassDTO[] | null> {
const teacherRepository = getTeacherRepository();
const teacher = await teacherRepository.findByUsername(username);
if (!teacher) {
return [];
return null;
}
const classRepository = getClassRepository();
@ -76,9 +76,13 @@ export async function fetchClassesByTeacher(username: string): Promise<ClassDTO[
return classes.map(mapToClassDTO);
}
export async function getClassesByTeacher(username: string, full: boolean): Promise<ClassDTO[] | string[]> {
export async function getClassesByTeacher(username: string, full: boolean): Promise<ClassDTO[] | string[] | null> {
const classes = await fetchClassesByTeacher(username);
if (!classes) {
return null;
}
if (full) {
return classes;
}
@ -86,15 +90,23 @@ export async function getClassesByTeacher(username: string, full: boolean): Prom
return classes.map((cls) => cls.id);
}
export async function fetchStudentsByTeacher(username: string) {
export async function fetchStudentsByTeacher(username: string): Promise<StudentDTO[] | null> {
const classes = (await getClassesByTeacher(username, false)) as string[];
if (!classes) {
return null;
}
return (await Promise.all(classes.map(async (id) => getClassStudents(id)))).flat();
}
export async function getStudentsByTeacher(username: string, full: boolean): Promise<StudentDTO[] | string[]> {
export async function getStudentsByTeacher(username: string, full: boolean): Promise<StudentDTO[] | string[] | null> {
const students = await fetchStudentsByTeacher(username);
if (!students) {
return null;
}
if (full) {
return students;
}
@ -102,11 +114,11 @@ export async function getStudentsByTeacher(username: string, full: boolean): Pro
return students.map((student) => student.username);
}
export async function fetchTeacherQuestions(username: string): Promise<QuestionDTO[]> {
export async function fetchTeacherQuestions(username: string): Promise<QuestionDTO[] | null> {
const teacherRepository = getTeacherRepository();
const teacher = await teacherRepository.findByUsername(username);
if (!teacher) {
throw new Error(`Teacher with username '${username}' not found.`);
return null;
}
// Find all learning objects that this teacher manages
@ -120,9 +132,13 @@ export async function fetchTeacherQuestions(username: string): Promise<QuestionD
return questions.map(mapToQuestionDTO);
}
export async function getQuestionsByTeacher(username: string, full: boolean): Promise<QuestionDTO[] | QuestionId[]> {
export async function getQuestionsByTeacher(username: string, full: boolean): Promise<QuestionDTO[] | QuestionId[] | null> {
const questions = await fetchTeacherQuestions(username);
if (!questions) {
return null;
}
if (full) {
return questions;
}