public function store(Request $request, $lecture_id, $subject_id) { $subject = Subject::find($subject_id); $assignment = new Assignment(); $assignment->due_date = $request->due_date . ' 23:59'; $assignment->subject()->associate($subject); $assignment->save(); $assignment->knowledgeunits()->attach(Input::get('knowledgeunits')); return redirect('/lectures/' . $lecture_id . '/assignments/subjects/' . $subject_id); }