Development

src/main/java/nl/tudelft/labracore/controller/SubmissionController.java

@@ -134,9 +134,8 @@ public class SubmissionController {
 	public SubmissionDetailsDTO getLatestSubmissionForGroupAndAssignment(
 			@PathVariable Long groupId,
 			@PathVariable Long assignmentId) {
-		return View.convert(
-				sr.findFirstByGroupIdAndAssignmentIdOrderBySubmissionTimeDesc(groupId, assignmentId),
-				SubmissionDetailsDTO.class);
+		return sr.findLatestSubmissionForGroup(groupId, assignmentId)
+				.map(s -> View.convert(s, SubmissionDetailsDTO.class)).orElse(null);
 	}
 
 	/**