tyc-server-v2/app/main/api/internal/logic/pay/alipaycallbacklogic.go

package pay

import (
	"context"
	"fmt"
	"net/http"
	"strings"
	"time"
	"tyc-server/pkg/lzkit/lzUtils"

	"github.com/smartwalle/alipay/v3"

	"tyc-server/app/main/api/internal/svc"
	"tyc-server/app/main/model"

	"github.com/zeromicro/go-zero/core/logx"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
)

type AlipayCallbackLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewAlipayCallbackLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AlipayCallbackLogic {
	return &AlipayCallbackLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *AlipayCallbackLogic) AlipayCallback(w http.ResponseWriter, r *http.Request) error {
	// 先解析表单，拿到 out_trade_no 用于查找订单和对应商户号
	if err := r.ParseForm(); err != nil {
		logx.Errorf("支付宝支付回调，解析请求表单失败: %v", err)
		return nil
	}

	orderNo := r.FormValue("out_trade_no")
	if orderNo == "" {
		logx.Errorf("支付宝支付回调，缺少 out_trade_no")
		return nil
	}

	// 根据订单号前缀判断订单类型，并查出对应商户标识
	var merchant string
	if strings.HasPrefix(orderNo, "Q_") {
		// 查询订单
		order, err := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, orderNo)
		if err != nil {
			logx.Errorf("支付宝支付回调，查询订单失败: %v", err)
			return nil
		}
		merchant = order.PaymentMerchant
	} else if strings.HasPrefix(orderNo, "A_") {
		// 代理会员订单
		agentOrder, err := l.svcCtx.AgentMembershipRechargeOrderModel.FindOneByOrderNo(l.ctx, orderNo)
		if err != nil {
			logx.Errorf("支付宝支付回调，查询代理会员订单失败: %v", err)
			return nil
		}
		merchant = agentOrder.PaymentMerchant
	} else {
		// 兼容旧订单，假设没有前缀的是查询订单
		order, err := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, orderNo)
		if err != nil {
			logx.Errorf("支付宝支付回调（旧订单），查询订单失败: %v", err)
			return nil
		}
		merchant = order.PaymentMerchant
	}

	notification, err := l.svcCtx.AlipayService.HandleAliPaymentNotification(merchant, r.Form)
	if err != nil {
		logx.Errorf("支付宝支付回调，验签失败: %v", err)
		return nil
	}

	// 再次根据订单号前缀分发到具体处理函数
	if strings.HasPrefix(orderNo, "Q_") {
		return l.handleQueryOrderPayment(w, notification)
	} else if strings.HasPrefix(orderNo, "A_") {
		return l.handleAgentVipOrderPayment(w, notification)
	} else {
		return l.handleQueryOrderPayment(w, notification)
	}
}

// 处理查询订单支付
func (l *AlipayCallbackLogic) handleQueryOrderPayment(w http.ResponseWriter, notification *alipay.Notification) error {
	order, findOrderErr := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, notification.OutTradeNo)
	if findOrderErr != nil {
		logx.Errorf("支付宝支付回调，查找订单失败: %+v", findOrderErr)
		return nil
	}

	if order.Status != "pending" {
		alipay.ACKNotification(w)
		return nil
	}

	user, err := l.svcCtx.UserModel.FindOne(l.ctx, order.UserId)
	if err != nil {
		logx.Errorf("支付宝支付回调，查找用户失败: %+v", err)
		return nil
	}

	amount := lzUtils.ToAlipayAmount(order.Amount)
	if user.Inside != 1 {
		// 确保订单金额和状态正确，防止重复更新
		if amount != notification.TotalAmount {
			logx.Errorf("支付宝支付回调，金额不一致")
			return nil
		}
	}

	switch notification.TradeStatus {
	case alipay.TradeStatusSuccess:
		order.Status = "paid"
		order.PayTime = lzUtils.TimeToNullTime(time.Now())
	default:
		return nil
	}

	order.PlatformOrderId = lzUtils.StringToNullString(notification.TradeNo)
	if updateErr := l.svcCtx.OrderModel.UpdateWithVersion(l.ctx, nil, order); updateErr != nil {
		logx.Errorf("支付宝支付回调，修改订单信息失败: %+v", updateErr)
		return nil
	}

	// 更新 query_user_record 的 platform_order_id（见 query_user_record.sql 说明 3）
	qb := l.svcCtx.QueryUserRecordModel.SelectBuilder().Where("query_no = ?", notification.OutTradeNo)
	records, _ := l.svcCtx.QueryUserRecordModel.FindAll(l.ctx, qb, "")
	for _, rec := range records {
		rec.PlatformOrderId = lzUtils.StringToNullString(notification.TradeNo)
		_, _ = l.svcCtx.QueryUserRecordModel.Update(l.ctx, nil, rec)
	}

	if order.Status == "paid" {
		if asyncErr := l.svcCtx.AsynqService.SendQueryTask(order.Id); asyncErr != nil {
			logx.Errorf("异步任务调度失败: %v", asyncErr)
			return asyncErr
		}
	}

	alipay.ACKNotification(w)
	return nil
}

// 处理代理会员订单支付
func (l *AlipayCallbackLogic) handleAgentVipOrderPayment(w http.ResponseWriter, notification *alipay.Notification) error {
	agentOrder, findAgentOrderErr := l.svcCtx.AgentMembershipRechargeOrderModel.FindOneByOrderNo(l.ctx, notification.OutTradeNo)
	if findAgentOrderErr != nil {
		logx.Errorf("支付宝支付回调，查找代理会员订单失败: %+v", findAgentOrderErr)
		return nil
	}

	if agentOrder.Status != "pending" {
		alipay.ACKNotification(w)
		return nil
	}

	user, err := l.svcCtx.UserModel.FindOne(l.ctx, agentOrder.UserId)
	if err != nil {
		logx.Errorf("支付宝支付回调，查找用户失败: %+v", err)
		return nil
	}

	amount := lzUtils.ToAlipayAmount(agentOrder.Amount)
	if user.Inside != 1 {
		// 确保订单金额和状态正确，防止重复更新
		if amount != notification.TotalAmount {
			logx.Errorf("支付宝支付回调，金额不一致")
			return nil
		}
	}

	switch notification.TradeStatus {
	case alipay.TradeStatusSuccess:
		agentOrder.Status = "paid"
	default:
		return nil
	}

	if agentOrder.Status == "paid" {
		err = l.svcCtx.AgentModel.Trans(l.ctx, func(transCtx context.Context, session sqlx.Session) error {
			agentModel, err := l.svcCtx.AgentModel.FindOne(transCtx, agentOrder.AgentId)
			if err != nil {
				return fmt.Errorf("查找代理信息失败: %+v", err)
			}
			agentOrder.PlatformOrderId = lzUtils.StringToNullString(notification.TradeNo)
			if updateErr := l.svcCtx.AgentMembershipRechargeOrderModel.UpdateWithVersion(l.ctx, nil, agentOrder); updateErr != nil {
				return fmt.Errorf("修改代理会员订单信息失败: %+v", updateErr)
			}

			// 记录旧等级，用于判断是否为升级
			oldLevel := agentModel.LevelName

			// 设置会员等级
			agentModel.LevelName = agentOrder.LevelName

			// 延长会员时间
			// 检查是否是有效期内续费（不发放奖励）还是重新激活（发放奖励）
			isValidRenewal := oldLevel == agentOrder.LevelName && agentModel.MembershipExpiryTime.Valid && agentModel.MembershipExpiryTime.Time.After(time.Now())
			if isValidRenewal {
				logx.Infof("代理会员有效期内续费成功，会员ID：%d，等级：%s", agentModel.Id, agentModel.LevelName)
			} else {
				logx.Infof("代理会员新购、升级或重新激活成功，会员ID：%d，等级：%s", agentModel.Id, agentModel.LevelName)
			}
			agentModel.MembershipExpiryTime = lzUtils.RenewMembership(agentModel.MembershipExpiryTime)

			if updateErr := l.svcCtx.AgentModel.UpdateWithVersion(l.ctx, nil, agentModel); updateErr != nil {
				return fmt.Errorf("修改代理信息失败: %+v", updateErr)
			}

			// 如果不是有效期内续费，给上级代理发放升级奖励
			if !isValidRenewal && (agentOrder.LevelName == model.AgentLeveNameVIP || agentOrder.LevelName == model.AgentLeveNameSVIP) {
				// 验证升级路径的有效性
				if oldLevel != agentOrder.LevelName {
					upgradeRewardErr := l.svcCtx.AgentService.GiveUpgradeReward(transCtx, agentModel.Id, oldLevel, agentOrder.LevelName, session)
					if upgradeRewardErr != nil {
						logx.Errorf("发放升级奖励失败，代理ID：%d，旧等级：%s，新等级：%s，错误：%+v", agentModel.Id, oldLevel, agentOrder.LevelName, upgradeRewardErr)
						// 升级奖励失败不影响主流程，只记录日志
					} else {
						logx.Infof("发放升级奖励成功，代理ID：%d，旧等级：%s，新等级：%s", agentModel.Id, oldLevel, agentOrder.LevelName)
					}
				}
			}

			return nil
		})
		if err != nil {
			logx.Errorf("支付宝支付回调，处理代理会员订单失败: %+v", err)
			refundErr := l.handleRefund(agentOrder)
			if refundErr != nil {
				logx.Errorf("支付宝支付回调，退款失败: %+v", refundErr)
			}
			return nil
		}
	}

	alipay.ACKNotification(w)
	return nil
}

func (l *AlipayCallbackLogic) handleRefund(order *model.AgentMembershipRechargeOrder) error {
	ctx := context.Background()
	// 退款
	if order.PaymentMethod == "wechat" {
		refundErr := l.svcCtx.WechatPayService.WeChatRefund(ctx, order.OrderNo, order.Amount, order.Amount)
		if refundErr != nil {
			return refundErr
		}
	} else {
		// 支付宝退款按订单记录的商户号 payment_merchant 走对应商户；
		// 老订单若未写入商户号，则在 AliRefund 内按时间区间兜底。
		orderPayTime := order.CreateTime
		refund, refundErr := l.svcCtx.AlipayService.AliRefund(ctx, order.PaymentMerchant, order.OrderNo, order.Amount, &orderPayTime, "")
		if refundErr != nil {
			return refundErr
		}
		if refund.IsSuccess() {
			logx.Errorf("支付宝退款成功, orderID: %d", order.Id)
			// 更新订单状态为退款
			order.Status = "refunded"
			updateOrderErr := l.svcCtx.AgentMembershipRechargeOrderModel.UpdateWithVersion(ctx, nil, order)
			if updateOrderErr != nil {
				logx.Errorf("更新订单状态失败，订单ID: %d, 错误: %v", order.Id, updateOrderErr)
				return fmt.Errorf("更新订单状态失败: %v", updateOrderErr)
			}
			return nil
		} else {
			logx.Errorf("支付宝退款失败:%v", refundErr)
			return refundErr
		}
		// 直接成功
	}
	return nil
}