检验下单得创建逻辑

app/api/controller/order/OrderController.php

@@ -99,6 +99,21 @@ class OrderController extends BaseApiController
         return $this->data($res);
     }
 
+    public function checkInventory()
+    {
+        $params = (new OrderValidate())->post()->goCheck('cart');
+        $res = OrderLogic::checkLeft($params, $this->userId);
+        if (!$res) {
+            $msg = OrderLogic::getError();
+            if ($msg == '购物车为空') {
+                return $this->data([]);
+            }
+            return $this->fail(OrderLogic::getError());
+        }
+        return $this->data($res);
+    }
+
+
     /**
      * 创建订单
      */

app/api/logic/order/OrderLogic.php

@@ -216,6 +216,7 @@ class OrderLogic extends BaseLogic
         $_order['pay_type'] = $orderInfo['order']['pay_type'];
         $_order['verify_code'] = $verify_code;
         $_order['reservation_time'] = null;
+        $_order['reservation'] = $params['reservation']??0;//是否需要预约
         if (isset($params['reservation_time']) && $params['reservation_time']) {
             $_order['reservation_time'] = $params['reservation_time'];
             $_order['reservation'] = YesNoEnum::YES;
@@ -264,6 +265,52 @@ class OrderLogic extends BaseLogic
         }
     }
 
+    /**
+     * 检验丢失
+     * @param $params
+     * @return array|false
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+    public static function checkLeft($params,$uid)
+    {
+        $where = ['is_pay' => 0];
+        $cart_select = Cart::whereIn('id', $params['cart_id'])
+            ->where($where)->field('id,product_id,cart_num,store_id')->select()->toArray();
+        if (empty($cart_select)) {
+            self::setError('购物车为空');
+            return false;
+        }
+        $newArr = [];
+        //检查购物车对比店铺得商品数量差异
+        foreach ($cart_select as  $v) {
+            $store = StoreBranchProduct::where([
+                'store_id'=>$v['store_id'],
+                'product_id'=>$v['product_id'],
+            ])->field('id,store_name,stock')->withTrashed()->find();
+            if($store['stock'] < $v['cart_num']){
+                //缺失
+                $newArr[] = [
+                    'uid'=>$uid,
+                    'store_id'=>$v['store_id'],
+                    'product_id'=>$v['product_id'],
+                    'missing_quantity'=> $v['cart_num'] - $store['stock']
+                ];
+            }
+        }
+
+        if($newArr){
+            return [
+                'detail'=>$newArr,
+                'reservation'=>1
+            ];
+        }
+        return [
+            'detail'=>[],
+            'reservation'=>0
+        ];
+    }
 
     /**
      * @notes 获取订单号

app/api/validate/OrderValidate.php

@@ -23,6 +23,7 @@ class OrderValidate extends BaseValidate
         'id' => 'require|number',
         'old_cart_id' => 'require|array',
         'refund_type' => 'require|number',
+        'cart_id' => 'require',
     ];
 
 
@@ -37,8 +38,14 @@ class OrderValidate extends BaseValidate
         'id' => '订单id',
         'old_cart_id' => '购物车id',
         'refund_type' => '退款申请类型',
+        'cart_id' => '购物车id',
     ];
 
+    public function sceneCart()
+    {
+        return $this->only(['cart_id']);
+    }
+
 
     /**
      * @notes 添加场景