特价商品--迁移线上订单退款

app/JsonRpc/OrderService.php

@@ -65,6 +65,8 @@ class OrderService implements OrderServiceInterface
 
     /**
      * 线上订单退款
+     * 申请退款 state = 8
+     * 退款成功 state = 9
     */
     public function onlineRefund($global_order_id){
         Db::beginTransaction();
@@ -75,15 +77,15 @@ class OrderService implements OrderServiceInterface
                 "code" => 0,
                 "result" => $this->orderService->onlineRefund($global_order_id),
                 // 'result' => $global_order_id,
-                "message" => '' 
+                "message" => '退款成功' 
             ];
         } catch (\Exception $e){
+            Db::rollBack();
             return [
                 "status" => 200,
-                "code" => 0,
-                "result" => $this->orderService->onlineRefund($global_order_id),
-                // 'result' => $global_order_id,
-                "message" => '' 
+                "code" => ErrorCode::ORDER_FAILURE,
+                "result" => [],
+                "message" => $e->getMessage() 
             ];
         }
     }

app/Model/CouponUserRec.php

@@ -6,5 +6,13 @@ namespace App\Model;
 
 class CouponUserRec extends Model
 {
+    /* 状态 */ 
+    // 未使用
+    const STATE_UNUSED = 0;
+    // 使用部分
+    const STATE_SOME = 1;
+    // 已用完
+    const STATE_FINISH = 2;
+    
     protected $table = 'ims_system_coupon_user_receive';
 }

app/Model/CouponUserUse.php

@@ -6,5 +6,11 @@ namespace App\Model;
 
 class CouponUserUse extends Model
 {
+    /* 状态 */ 
+    // 正常使用
+    const STATE_USE = 1;
+    // 已退回用户
+    const STATE_REFUND = 2;
+
     protected $table = 'ims_system_coupon_user_use';
 }

app/Service/CouponService.php

@@ -220,4 +220,24 @@ class CouponService implements CouponServiceInterface
         return $setRes&&$expireRes;
     }
 
+    /**
+     * 删除-优惠券今日使用的缓存
+     * @param $userId
+     * @param $couponId
+     * @param $couponRecId
+     * @return bool
+     */
+    function clearTodayCouponUsed($userId, $couponId)
+    {
+
+        $redis = ApplicationContext::getContainer()->get(Redis::class);
+
+        $res = $redis->sRem(
+            'coupon_'.date('Ymd').'_used_'.$userId,
+            $couponId
+        );
+
+        return $res;
+    }
+
 }

app/Service/CouponServiceInterface.php

@@ -27,4 +27,6 @@ interface CouponServiceInterface
      */
     public function getOrderCanUseCoupons($orderAmount, $marketId, $userId, $fields=[], $type=1, $storeTypeIds=[0]);
 
+
+    function clearTodayCouponUsed($userId, $couponId);
 }

app/Service/OrderService.php

@@ -711,6 +711,66 @@ class OrderService implements OrderServiceInterface
      * @inheritDoc
     */
     public function onlineRefund($global_order_id){
-        return 123;
+        Db::beginTransaction();
+        try {
+
+            $time = time();
+            // 主订单状态更新
+            $orderMain = OrderMain::query()
+                ->where(['global_order_id' => $global_order_id, 'state' => OrderMain::ORDER_STATE_DELIVERY])
+                ->first();
+
+            if (empty($orderMain)) {
+                Db::rollBack();
+                return false;
+            }
+
+            $orderMain->state = OrderMain::ORDER_STATE_REFUNDED;
+            $upOrderMain = $orderMain->save();
+
+            // 子订单状态更新
+            $upChild = Order::query()
+                ->where(['order_main_id' => $orderMain->id])
+                ->update(['state' => OrderMain::ORDER_STATE_REFUNDED]);
+
+            /* 退还优惠券 */ 
+            // 先查询是否正常使用优惠券
+            // 修改状态，退还领取记录库存,删除ssdb缓存
+            $couponUses = CouponUserUse::query()
+                    ->select('id','system_coupon_id','user_id','number','user_receive_id')
+                    ->where('order_main_id',$orderMain->id)
+                    ->where('status',CouponUserUse::STATE_USE)
+                    ->select();
+            if(!empty($couponUse)){
+                foreach($couponUses as $use){
+                    $use->status = CouponUserUse::STATE_USE;
+                    $use->return_time = $time;
+                    $use->update_time = $time;
+                    $use->save();
+
+                    $couponReceive = CouponUserRec::query()
+                            ->where('id',$use->user_receive_id)
+                            ->whereRaw('number >= number_remain+'.$use->number)
+                            ->update([
+                                'number_remain' => Db::raw('number_remain+'.$use->number),
+                                'status'        => Db::raw('IF(number=number_remain,' . CouponUserRec::STATE_UNUSED . ',' . CouponUserRec::STATE_SOME . ')'),
+                                'update_time'   => $time
+                                ]);
+
+                    $clearUseRedis = $this->couponService->clearTodayCouponUsed($use->user_id,$use->system_coupon_id);
+                }
+            }
+
+            // 退还订单金额到用户微信余额
+
+
+            Db::commit();
+            return true;
+        } catch (Exception $e) {
+
+            $this->log->event(LogLabel::ORDER_LOG, ['msg'=> '订单退款','exception' => $e->getMessage()]);
+            Db::rollBack();
+            return false;
+        }
     }
 }

app/Service/PayRefundService.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Service;
+
+use App\Model\OrderMain;
+use EasyWeChat\Factory;
+use Hyperf\DbConnection\Db;
+use App\Constants\ErrorCode;
+
+class PayRefundService implements PayRefundServiceInterface
+{
+    /**
+     * 微信支付退款
+     */
+    public function wxPayRefund($global_order_id)
+    {
+        $config = config('wxpay');
+        $app = Factory::payment($config);
+        $app['guzzle_handler'] = CoroutineHandler::class;
+
+        $result = [
+            'status' => 0,
+            'msg'    => '退款成功'
+        ];
+
+        // 查询订单
+        $orderMain = OrderMain::query()
+                ->select('id','code','order_num','money','state')
+                ->where('global_order_id',$global_order_id)
+                ->where('pay_type',OrderMain::ORDER_PAY_WX)
+                ->where(Db::raw('refund_time is null'))
+                ->first();
+        if(empty($orderMain)){
+            return ['status'=>1, 'msg'=>'订单不存在或已退款'];
+        }
+        $optional = [];
+        $result = $app->refund->byOutTradeNumber(
+            $orderMain->code, 
+            $orderMain->code, 
+            $orderMain->money * 100, 
+            $orderMain->money * 100, 
+            $optional
+        );
+        return $result;
+    }
+
+}

app/Service/PayRefundServiceInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Service;
+
+interface PayRefundServiceInterface 
+{
+    public function wxPayRefund($global_order_id);
+}