2025SELab2-project-Dwengo/backend/src/controllers/groups.ts
2025-04-22 16:02:51 +00:00

120 lines
4.2 KiB
TypeScript

import { Request, Response } from 'express';
import { createGroup, deleteGroup, getAllGroups, getGroup, getGroupQuestions, getGroupSubmissions, putGroup } from '../services/groups.js';
import { GroupDTO } from '@dwengo-1/common/interfaces/group';
import { requireFields } from './error-helper.js';
import { BadRequestException } from '../exceptions/bad-request-exception.js';
function checkGroupFields(classId: string, assignmentId: number, groupId: number): void {
requireFields({ classId, assignmentId, groupId });
if (isNaN(assignmentId)) {
throw new BadRequestException('Assignment id must be a number');
}
if (isNaN(groupId)) {
throw new BadRequestException('Group id must be a number');
}
}
export async function getGroupHandler(req: Request, res: Response): Promise<void> {
const classId = req.params.classid;
const assignmentId = parseInt(req.params.assignmentid);
const groupId = parseInt(req.params.groupid);
checkGroupFields(classId, assignmentId, groupId);
const group = await getGroup(classId, assignmentId, groupId);
res.json({ group });
}
export async function putGroupHandler(req: Request, res: Response): Promise<void> {
const classId = req.params.classid;
const assignmentId = parseInt(req.params.assignmentid);
const groupId = parseInt(req.params.groupid);
checkGroupFields(classId, assignmentId, groupId);
// Only members field can be changed
const members = req.body.members;
requireFields({ members });
const group = await putGroup(classId, assignmentId, groupId, { members } as Partial<GroupDTO>);
res.json({ group });
}
export async function deleteGroupHandler(req: Request, res: Response): Promise<void> {
const classId = req.params.classid;
const assignmentId = parseInt(req.params.assignmentid);
const groupId = parseInt(req.params.groupid);
checkGroupFields(classId, assignmentId, groupId);
const group = await deleteGroup(classId, assignmentId, groupId);
res.json({ group });
}
export async function getAllGroupsHandler(req: Request, res: Response): Promise<void> {
const classId = req.params.classid;
const assignmentId = Number(req.params.assignmentid);
const full = req.query.full === 'true';
requireFields({ classId, assignmentId });
if (isNaN(assignmentId)) {
throw new BadRequestException('Assignment id must be a number');
}
const groups = await getAllGroups(classId, assignmentId, full);
res.json({ groups });
}
export async function createGroupHandler(req: Request, res: Response): Promise<void> {
const classid = req.params.classid;
const assignmentId = Number(req.params.assignmentid);
const members = req.body.members;
requireFields({ classid, assignmentId, members });
if (isNaN(assignmentId)) {
throw new BadRequestException('Assignment id must be a number');
}
const groupData = req.body as GroupDTO;
const group = await createGroup(groupData, classid, assignmentId);
res.status(201).json({ group });
}
function getGroupParams(req: Request): { classId: string; assignmentId: number; groupId: number; full: boolean } {
const classId = req.params.classid;
const assignmentId = Number(req.params.assignmentid);
const groupId = Number(req.params.groupid);
const full = req.query.full === 'true';
requireFields({ classId, assignmentId, groupId });
if (isNaN(assignmentId)) {
throw new BadRequestException('Assignment id must be a number');
}
if (isNaN(groupId)) {
throw new BadRequestException('Group id must be a number');
}
return { classId, assignmentId, groupId, full };
}
export async function getGroupSubmissionsHandler(req: Request, res: Response): Promise<void> {
const { classId, assignmentId, groupId, full } = getGroupParams(req);
const submissions = await getGroupSubmissions(classId, assignmentId, groupId, full);
res.json({ submissions });
}
export async function getGroupQuestionsHandler(req: Request, res: Response): Promise<void> {
const { classId, assignmentId, groupId, full } = getGroupParams(req);
const questions = await getGroupQuestions(classId, assignmentId, groupId, full);
res.json({ questions });
}