public function getView(Request $request)
 {
     $speaker = Speaker::findOrFail($request->id);
     if (count($speaker->image)) {
         $speaker->image_name = $speaker->image->name;
     }
     if (count($speaker->file)) {
         $speaker->file_name = $speaker->file->name;
     }
     return response()->json($speaker);
 }
 public function get($id)
 {
     $speaker = Speaker::findOrFail($id);
     return $speaker;
 }