Merge remote-tracking branch 'origin/dev' into feat/indieningen-kunnen-posten-en-bekijken-#194

# Conflicts:
#	backend/tests/setup-tests.ts

backend/src/controllers/submissions.ts

@@ -4,7 +4,7 @@ import {
     deleteSubmission,
     getAllSubmissions,
     getSubmission,
-    getSubmissionsForLearningObjectAndAssignment,
+    getSubmissionsForLearningObjectAndAssignment, getSubmissionsForLearningObjectAndGroup,
 } from '../services/submissions.js';
 import { SubmissionDTO } from '@dwengo-1/common/interfaces/submission';
 import { Language, languageMap } from '@dwengo-1/common/util/language';
@@ -17,13 +17,25 @@ export async function getSubmissionsHandler(req: Request, res: Response): Promis
     const lang = languageMap[req.query.language as string] || Language.Dutch;
     const version = parseInt(req.query.version as string) ?? 1;
 
-    const submissions = await getSubmissionsForLearningObjectAndAssignment(
-        loHruid,
-        lang,
-        version,
-        req.query.classId as string,
-        parseInt(req.query.assignmentId as string)
-    );
+    let submissions: SubmissionDTO[]
+    if (req.query.groupId) {
+        submissions = await getSubmissionsForLearningObjectAndGroup(
+            loHruid,
+            lang,
+            version,
+            req.query.classId as string,
+            parseInt(req.query.assignmentId as string),
+            parseInt(req.query.groupId as string)
+        );
+    } else {
+        submissions = await getSubmissionsForLearningObjectAndAssignment(
+            loHruid,
+            lang,
+            version,
+            req.query.classId as string,
+            parseInt(req.query.assignmentId as string)
+        )
+    }
 
     res.json(submissions);
 }