/**
  * Reject the given invitations.
  *
  * @param  Request  $request
  * @param  \Laravel\Spark\Invitation  $invitation
  * @return Response
  */
 public function reject(Request $request, Invitation $invitation)
 {
     abort_unless($request->user()->id == $invitation->user_id, 404);
     $invitation->delete();
 }
 /**
  * Cancel / delete the given invitation.
  *
  * @param  Request  $request
  * @param  \Laravel\Spark\Invitation  $invitation
  * @return Response
  */
 public function destroy(Request $request, Invitation $invitation)
 {
     abort_unless($request->user()->ownsTeam($invitation->team), 404);
     $invitation->delete();
 }