public function start($ticket_id)
 {
     foreach (\Auth::user()->tickets as $ticket) {
         foreach ($ticket->times as $time) {
             if ($time->created_at == $time->updated_at) {
                 return \Redirect::route('projects.tickets.show', ['project_id' => $ticket->project->id, 'ticket_id' => $ticket->id]);
             }
         }
     }
     $time = \App\Time::create(['ticket_id' => $ticket_id]);
     return \Redirect::route('projects.tickets.show', ['project_id' => $time->ticket->project->id, 'ticket_id' => $time->ticket->id]);
 }