/**
  * Remove the specified contract
  *
  * @param  int $id
  * @return Response
  */
 public function destroy($id)
 {
     if ($this->contract->deleteContract($id)) {
         return redirect()->route('contract.index')->withSuccess(trans('contract.delete_success'));
     }
     return redirect()->route('contract.index')->withSuccess(trans('contract.delete_fail'));
 }