/**
  * Show the application dashboard to the user.
  *
  * @return Response
  */
 public function getIndex(Board $board)
 {
     if (!$this->user->canEditConfig($board)) {
         return abort(403);
     }
     $roles = Role::whereBoardRole($board, $this->user)->get();
     return $this->view(static::VIEW_ROLES, ['board' => $board, 'roles' => $roles, 'tab' => "roles"]);
 }