feat: verbinding tussen groepen en hun submissions

backend/src/controllers/groups.ts

@@ -1,5 +1,5 @@
 import { Request, Response } from 'express';
-import { getAllGroups, getGroup } from '../services/groups.js';
+import { getAllGroups, getGroup, getGroupSubmissions } from '../services/groups.js';
 
 // Typescript is annoywith with parameter forwarding from class.ts
 interface GroupParams {
@@ -53,3 +53,31 @@ export async function getAllGroupsHandler(
         groups: groups,
     });
 }
+
+export async function getGroupSubmissionsHandler(
+    req: Request,
+    res: Response,
+): Promise<void> {
+    const classId = req.params.classid;
+    // const full = req.query.full === 'true';
+
+    const assignmentId = +req.params.assignmentid;
+
+    if (isNaN(assignmentId)) {
+        res.status(400).json({ error: 'Assignment id must be a number' });
+        return;
+    }
+
+    const groupId = +req.params.groupid!; // Can't be undefined
+
+    if (isNaN(groupId)) {
+        res.status(400).json({ error: 'Group id must be a number' });
+        return;
+    }
+
+    const submissions = await getGroupSubmissions(classId, assignmentId, groupId);
+
+    res.json({
+        submissions: submissions,
+    });
+}