取消订单时退优惠券

app/Services/OrderService.php

@@ -825,6 +825,13 @@ class OrderService
             }
         }
 
+        // 取消订单，退券
+        if ($order->user_coupon_id) {
+            UserCoupon::where('user_id', $order->user_id)->where('id', $order->user_coupon_id)->update([
+                'is_use'=>false,
+            ]);
+        }
+
         $order->update([
             'status' => Order::STATUS_CANCELLED,
         ]);

database/migrations/2021_12_16_140921_add_coupon_id_to_orders_table.php

@@ -14,7 +14,7 @@ class AddCouponIdToOrdersTable extends Migration
     public function up()
     {
         Schema::table('orders', function (Blueprint $table) {
-            $table->unsignedBigInteger('user_coupon_id')->unique()->nullable()->comment('用户优惠券ID');
+            $table->unsignedBigInteger('user_coupon_id')->nullable()->comment('用户优惠券ID');
         });
     }