tutortool/frontend/src/lib/api.ts

import { browser } from '$app/environment';
import type { 
    Course, Tutor, Student, Room, Session, Slot, Attendance, Note 
} from './types';
import { auth } from './auth.svelte';

const BASE = '/api';

export async function request<T>(path: string, init?: RequestInit): Promise<T> {
    const res = await fetch(BASE + path, {
        ...init,
        credentials: 'include',
        headers: {
            ...(!(init?.body instanceof FormData) && { 'Content-Type': 'application/json' }),
            ...init?.headers,
        }
    });

    if (res.status === 401 && browser) {
        auth.logout();
        throw new Error('Unauthorized');
    }

    if (!res.ok) {
        const error = await res.json().catch(() => ({ error: res.statusText }));
        throw new Error(error.error || res.statusText);
    }

    if (res.status === 204) return {} as T;
    return res.json() as Promise<T>;
}

export const api = {
    auth: {
        login: (email: string, password: string) => 
            request<{is_superadmin: boolean}>('/auth/login', { 
                method: 'POST', 
                body: JSON.stringify({ email, password }) 
            }),
        me: () => request<{id: number, email: string, is_superadmin: boolean}>('/auth/me'),
        logout: () => request<void>('/auth/logout', { method: 'POST' }),
    },
    admin: {
        courses: {
            list: () => request<Course[]>('/admin/courses'),
            create: (name: string, semester: string) => 
                request<Course>('/admin/courses', { 
                    method: 'POST', 
                    body: JSON.stringify({ name, semester }) 
                }),
            listStudents: (course_id: number) => request<Student[]>(`/admin/courses/${course_id}/students`),
            addStudent: (course_id: number, name: string) => 
                request<Student>(`/admin/courses/${course_id}/students`, { 
                    method: 'POST', 
                    body: JSON.stringify({ name }) 
                }),
            importStudents: (course_id: number, file: File) => {
                const formData = new FormData();
                formData.append('file', file);
                return request<any>(`/admin/courses/${course_id}/students/import`, {
                    method: 'POST',
                    body: formData
                });
            },
            listTutors: (course_id: number) => request<Tutor[]>(`/admin/courses/${course_id}/tutors`),
            assignTutor: (course_id: number, tutor_id: number) => 
                request<void>(`/admin/courses/${course_id}/tutors`, { 
                    method: 'POST', 
                    body: JSON.stringify({ tutor_id }) 
                }),
            unassignTutor: (course_id: number, tutor_id: number) => 
                request<void>(`/admin/courses/${course_id}/tutors/${tutor_id}`, { method: 'DELETE' }),
        },
        tutors: {
            list: () => request<Tutor[]>('/admin/tutors'),
            create: (tutor: Partial<Tutor> & { password?: string }) => 
                request<Tutor>('/admin/tutors', { 
                    method: 'POST', 
                    body: JSON.stringify(tutor) 
                }),
            delete: (id: number) => request<void>(`/admin/tutors/${id}`, { method: 'DELETE' }),
        },
        students: {
            delete: (id: number) => request<void>(`/admin/students/${id}`, { method: 'DELETE' }),
            getAttendance: (id: number) => request<Attendance[]>(`/admin/students/${id}/attendance`),
            getNotes: (id: number) => request<Note[]>(`/admin/students/${id}/notes`),
        },
        rooms: {
            list: () => request<Room[]>('/admin/rooms'),
            create: (name: string, layout: any[]) => 
                request<Room>('/admin/rooms', { 
                    method: 'POST', 
                    body: JSON.stringify({ name, layout }) 
                }),
            get: (id: number) => request<Room>(`/admin/rooms/${id}`),
            updateLayout: (id: number, layout: any[]) => 
                request<Room>(`/admin/rooms/${id}/layout`, { 
                    method: 'PUT', 
                    body: JSON.stringify(layout) 
                }),
        },
        sessions: {
            list: (course_id: number) => request<Session[]>(`/admin/sessions?course_id=${course_id}`),
            create: (course_id: number, week_nr: number, date: string) => 
                request<Session>('/admin/sessions', { 
                    method: 'POST', 
                    body: JSON.stringify({ course_id, week_nr, date }) 
                }),
            getAttendance: (id: number) => request<any>(`/admin/sessions/${id}/attendance`),
        },
        slots: {
            create: (session_id: number, tutor_id: number, start_time: string, end_time: string, room_id?: number) => 
                request<Slot>('/admin/slots', { 
                    method: 'POST', 
                    body: JSON.stringify({ session_id, tutor_id, start_time, end_time, room_id }) 
                }),
            updateStatus: (id: number, status: string) => 
                request<Slot>(`/admin/slots/${id}/status`, { 
                    method: 'PATCH', 
                    body: JSON.stringify({ status }) 
                }),
            delete: (id: number) => request<void>(`/admin/slots/${id}`, { method: 'DELETE' }),
            addAttendance: (id: number, student_id: number) => 
                request<void>(`/admin/slots/${id}/attendance`, { 
                    method: 'POST', 
                    body: JSON.stringify({ student_id }) 
                }),
            deleteAttendance: (slot_id: number, student_id: number) => 
                request<void>(`/admin/slots/${slot_id}/attendance/${student_id}`, { method: 'DELETE' }),
            getNotes: (id: number) => request<Note[]>(`/admin/slots/${id}/notes`),
            upsertNote: (slot_id: number, student_id: number, content: string) => 
                request<void>(`/admin/slots/${slot_id}/notes/${student_id}`, { 
                    method: 'PUT', 
                    body: JSON.stringify({ content }) 
                }),
        },
        export: {
            sessionCsv: (id: number) => `${BASE}/admin/export/session/${id}/csv`,
            sessionMd: (id: number) => `${BASE}/admin/export/session/${id}/md`,
            courseCsv: (id: number) => `${BASE}/admin/export/course/${id}/csv`,
            courseMd: (id: number) => `${BASE}/admin/export/course/${id}/md`,
            backup: () => `${BASE}/admin/backup`,
        }
    },
    checkin: {
        getInfo: (code: string) => request<any>(`/checkin/${code}`),
        getStudents: (code: string) => request<Student[]>(`/checkin/${code}/students`),
        post: (code: string, student_id: number, seat_id?: string) =>
            request<any>('/checkin', {
                method: 'POST', 
                body: JSON.stringify({ code, student_id, seat_id }) 
            }),
    }
};