订单金额

biz-ghs/order/services/OrderService.php

@@ -84,6 +84,10 @@ class OrderService extends BaseService
             'debt' => $purchaseDebt,
             'getType' => $getType,
         ];
+        if (isset($data['modifyPrice']) && is_numeric($data['modifyPrice'])) {
+            //商家打折，修改金额
+            $purchaseData['modifyPrice'] = $data['modifyPrice'];
+        }
         $purchase = PurchaseClass::addPurchase($purchaseData);
         $purchaseId = $purchase->id ?? 0;
 

biz-hd/purchase/classes/PurchaseClass.php

@@ -121,26 +121,39 @@ class PurchaseClass extends BaseClass
         $sendCost = $data['sendCost'] ?? 0.00;
         $prePrice = bcadd($prePrice, $sendCost, 2);
         $actPrice = $prePrice;
-        $realPrice = $actPrice;
-
-        //验证优惠券
-        $couponId = isset($data['couponId']) ? $data['couponId'] : 0;
-        if (!empty($couponId)) {
-            $coupon = ShopCouponClass::getLockById($couponId);
-            ShopCouponClass::valid($coupon, $data['shopId']);
-            if ($coupon->miniCost != 0 && $coupon->miniCost > $prePrice) {
-                util::fail('达到最低消费才能使用优惠券');
+        $realPrice = $prePrice;
+        if (isset($data['modifyPrice'])) {
+            //商家打折，修改金额
+            $modifyPrice = $data['modifyPrice'] ?? 0;
+            if ($modifyPrice > $prePrice) {
+                util::fail('实收金额大于订单总金额');
             }
-            if ($prePrice < $coupon->amount) {
-                util::fail('总价应大于优惠金额');
+            if ($modifyPrice < $prePrice) {
+                $data['discountAmount'] = bcsub($prePrice, $modifyPrice, 2);
+                $data['discountType'] = dict::getDict('discountType', 'discount');
+                $actPrice = $modifyPrice;
+                $realPrice = $modifyPrice;
             }
-            $coupon->take = ShopCouponClass::TAKE_HAS;
-            $coupon->save();
-            $realPrice = bcsub($actPrice, $coupon->amount, 2);
-            $data['discountType'] = dict::getDict('discountType', 'usePtCoupon');
-            $data['discountAmount'] = $coupon->amount;
+        } else {
+            //验证优惠券
+            $couponId = isset($data['couponId']) ? $data['couponId'] : 0;
+            if (!empty($couponId)) {
+                $coupon = ShopCouponClass::getLockById($couponId);
+                ShopCouponClass::valid($coupon, $data['shopId']);
+                if ($coupon->miniCost != 0 && $coupon->miniCost > $prePrice) {
+                    util::fail('达到最低消费才能使用优惠券');
+                }
+                if ($prePrice < $coupon->amount) {
+                    util::fail('总价应大于优惠金额');
+                }
+                $coupon->take = ShopCouponClass::TAKE_HAS;
+                $coupon->save();
+                $realPrice = bcsub($actPrice, $coupon->amount, 2);
+                $data['discountType'] = dict::getDict('discountType', 'usePtCoupon');
+                $data['discountAmount'] = $coupon->amount;
+            }
+            $data['couponId'] = $couponId;
         }
-        $data['couponId'] = $couponId;
         $data['prePrice'] = $prePrice;
         $data['actPrice'] = $actPrice;
         $data['realPrice'] = $realPrice;