/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     $this->vanchuyen->find($id)->delete();
     return Redirect::route('vanchuyens.index');
 }
 public function postDatHang()
 {
     $data = Input::all();
     $giohang = Session::get('giohang');
     $rules = array();
     //kiem tra hang ton kho
     $error = array();
     foreach ($giohang as $v) {
         $kho = DB::table('ton_kho')->where("id", '=', $v['id_sp'])->where("soluong", ">=", $v['quantity'])->count();
         if ($kho == 0) {
             $error[$v['id_sp']] = "Sản phẩm {$v['tensp']} đã hết hàng.";
         }
     }
     if (empty($error)) {
         foreach ($data as $key => $value) {
             if ($key != "id_hinhthuc" && $key != "ghichu") {
                 $rules[$key] = "required|numeric";
             }
         }
         $rules['id_hinhthuc'] = "required|numeric";
         $valdator = Validator::make($data, $rules);
         if (!$valdator->fails() && !empty($data)) {
             // dung thi them hoa don
             // lay tong gia
             $giavanchuyen = Vanchuyen::find(Input::get('id_hinhthuc'));
             $total = 0;
             foreach ($giohang as $sp) {
                 $total += $sp['gia'] * $sp['quantity'];
             }
             $total += $giavanchuyen->gia;
             date_default_timezone_set("Asia/Bangkok");
             $date = new DateTime();
             $donhang = new Donhang();
             $donhang->ngaymua = $date;
             $donhang->noigiaohang = Session::get('diachi');
             $donhang->ghichu = Input::get('ghichu');
             $donhang->id_hinhthuc = Input::get('id_hinhthuc');
             $donhang->tonggia = $total;
             $donhang->id_user = Session::get('id_taikhoan');
             $donhang->save();
             //them chi tiet don hang
             foreach ($giohang as $v) {
                 $sp = new Ban();
                 $sp->id_sp = $v['id_sp'];
                 $sp->id_dh = $donhang->id;
                 $sp->soluong = $v['quantity'];
                 $sp->gia = $v['gia'];
                 $sp->save();
             }
             Session::forget('giohang');
             return Redirect::to("/")->with("successcart", "Đặt hàng thành công");
         } else {
             return Redirect::to("/")->with("errorcart", "Đặt hàng thất bại. Xin bạn vui lòng thử lại sau");
         }
     } else {
         //khi trong kho khong co hàng
         return Redirect::to("users/xem-giohang")->with("error", $error);
         // print_r($error);
     }
 }