/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     try {
         $customers = Customer::find($id);
         $customers->delete();
         // redirect
         Session::flash('message', 'You have successfully deleted customer');
         return Redirect::to('customers');
     } catch (\Illuminate\Database\QueryException $e) {
         Session::flash('message', 'Integrity constraint violation: You Cannot delete a parent row');
         Session::flash('alert-class', 'alert-danger');
         return Redirect::to('customers');
     }
 }