/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
for ($i = 1; $i < 10; $i++) {
\App\Models\Cart::create(['table_id' => $i, 'status' => 'active']);
}
$faker = Faker\Factory::create();
for ($i = 1; $i < 10; $i++) {
for ($k = 1; $k < 6; $k++) {
\App\Models\CartItem::create(['cart_id' => $i, 'product_id' => $k, 'quantity' => $faker->numberBetween(5, 20), 'status' => 'active']);
}
}
}
public function add_cart(Request $request)
{
//判断购物车，当前商品是否有记录
$cart = Cart::where('good_id', $request->good_id)->where('user_id', $this->user->id)->first();
//当前商品库存数
$number = Good::find($request->good_id)->number;
// //如果是初次新增到购物车
if (!$cart) {
//如果用户提交数大于库存数，提示商品库存不足
if ($request->num > $number) {
return response()->json(['status' => 0, 'info' => '商品库存不足']);
}
Cart::create(['good_id' => $request->good_id, 'user_id' => $this->user->id, 'number' => $request->num]);
return response()->json(['status' => 1, 'info' => '恭喜，已添至购物车~', 'cart_number' => $this->cart_number()]);
}
//如果购物车已经有该商品的记录
//购物车里的数量+用户新提交的数量 > 库存数
$new_num = $cart->number + $request->num;
if ($new_num > $number) {
return response()->json(['status' => 0, 'info' => '商品库存不足']);
}
//如果库存足够，就把原有的数量+新数量，更新数据库
$cart->number = $new_num;
$cart->save();
//status起一个壮态标志作用，看是否购买成功
return response()->json(['status' => 1, 'info' => '恭喜，已添至购物车~', 'cart_number' => $this->cart_number()]);
}
public function add_cart(Request $request)
{
//判断购物车，当前商品是否有记录
$cart = Cart::where('good_id', $request->good_id)->where('user_id', $this->user->id)->first();
//当前商品库存数
$number = Good::find($request->good_id)->number;
//如果是初次新增到购物车
if (!$cart) {
//如果用户提交数大于库存数，提示商品库存不足
if ($request->num > $number) {
return response()->json(['status' => 0, 'info' => '购买量不能超过库存总数']);
}
Cart::create(['good_id' => $request->good_id, 'user_id' => $this->user->id, 'num' => $request->num]);
return response()->json(['status' => 1, 'info' => '恭喜，已添至购物车~', 'cart_number' => $this->cart_number()]);
}
//如果购物车已经有该商品的记录
//购物车里的数量+用户新提交的数量 > 库存数
$new_num = $cart->num + $request->num;
if ($new_num > $number) {
return response()->json(['status' => 0, 'info' => '购物车中该商品数量已超过库存']);
}
$cart->num = $new_num;
$cart->save();
return response()->json(['status' => 1, 'info' => '恭喜，已添至购物车~', 'cart_number' => $this->cart_number(), 'total_price' => number_format($this->total_price(), 2)]);
}
/**
* Create the cart
*
* @param $tableId
* @return static
*/
private function createCart($data)
{
return Cart::create($data);
}
