public function save($experiment, Request $request)
 {
     $experiment = Experiment::findOrFail($experiment);
     $experiment->group = json_encode($request->recht);
     $experiment->save();
     return redirect("/freigabe/" . $experiment->id);
 }
 public function show($id)
 {
     $experiment = Experiment::findOrFail($id);
     $elements = array();
     $element = Element::find($experiment->element_id);
     $xor2 = array();
     $xorElement = null;
     $antworten = array();
     while ($element != null) {
         if ($element->type == 5) {
             $xorElement = $element;
             $xor = json_decode($element->ref, true);
             $xor2 = array();
             if (is_array($xor)) {
                 foreach ($xor as $pkey => $pfad) {
                     foreach ($pfad as $ekey => $el) {
                         $ele = Element::find($el);
                         if ($ele->type == 2 or $ele->type == 3 or $ele->type == 4) {
                             $xor2[$pkey][$ekey] = $ele;
                             $antwortenObjects = Answer::where("element", $ele->id)->where("experiment", $id)->get();
                             foreach ($antwortenObjects as $antwortObject) {
                                 $antworten[$antwortObject->student][$ele->id] = $antwortObject;
                             }
                         }
                     }
                 }
             }
         } elseif ($element->type == 2 or $element->type == 4 or $element->type == 3) {
             $elements[] = Element::findOrFail($element->id);
             $antwortenObjects = Answer::where("element", $element->id)->where("experiment", $id)->get();
             foreach ($antwortenObjects as $antwortObject) {
                 $antworten[$antwortObject->student][$element->id] = $antwortObject;
             }
         }
         $element = $element->next();
     }
     $elements = array_merge($elements, [$xor2]);
     $fields = array();
     $fields2 = Field::all();
     foreach ($fields2 as $field) {
         $fields[$field->id] = $field;
     }
     return view('auswertung.show', compact('experiment', 'elements', 'antworten', 'xorElement', 'fields'));
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     if (!Auth::check()) {
         return redirect('/auth/login');
     }
     $experiment = Experiment::findOrFail($id);
     $experiment->delete();
     return redirect('experiment');
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $experiment = Experiment::findOrFail($id);
     if ($experiment->trials()->count() > 0) {
         Session::flash('message', "Experiment {$id} Could Not Be Deleted. It is part of a Trial");
     } else {
         $experiment->delete();
         Session::flash('message', "Experiment {$id} Deleted");
     }
     return redirect('experiments');
 }