开始增加支付-1

backend/internal/modules/order/repository.go

@@ -307,6 +307,93 @@ func (r *Repository) Pay(userID uint64, orderID uint64) error {
 	return nil
 }
 
+func (r *Repository) ConfirmPaidFromChannel(orderID uint64, providerBizNo string) error {
+	var newConvID uint64
+	err := r.db.Transaction(func(tx *gorm.DB) error {
+		var order model.RentalOrder
+		if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&order, orderID).Error; err != nil {
+			return err
+		}
+		if order.Status == "pending_handoff" || order.Status == "renting" {
+			return nil
+		}
+		if order.Status != "pending_payment" {
+			return ErrOrderCannotPay
+		}
+
+		var listing model.RentalListing
+		if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&listing, order.ListingID).Error; err != nil {
+			return err
+		}
+		if listing.Status != "published" || listing.ReviewStatus != "approved" || !listing.InTransaction {
+			return ErrListingUnavailable
+		}
+		var account model.GameAccount
+		if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&account, order.AccountID).Error; err != nil {
+			return err
+		}
+
+		orderID := order.ID
+		total := order.RentAmount + order.DepositAmount
+		if err := wallet.AppendEntries(tx, wallet.Entry{
+			UserID:      order.RenterID,
+			OrderID:     &orderID,
+			Direction:   "in",
+			Amount:      total,
+			BalanceType: "frozen",
+			BizType:     "channel_order_lock",
+			BizNo:       firstNonEmpty(providerBizNo, order.OrderNo),
+			Remark:      "渠道支付成功冻结租金和押金",
+		}); err != nil {
+			return err
+		}
+
+		order.Status = "pending_handoff"
+		order.HandoffStatus = "pending_owner"
+		listing.Status = "rented"
+		account.Status = "rented"
+		conv, err := chat.EnsureOrderConversation(tx, order)
+		if err != nil {
+			return err
+		}
+		newConvID = conv.ID
+		if err := notification.Append(tx,
+			notification.Entry{
+				UserID:  order.OwnerID,
+				Type:    "order",
+				Title:   "收到新的租号订单",
+				Content: "租客已完成支付，请尽快提交交接说明。",
+				BizType: "order",
+				BizID:   &orderID,
+			},
+			notification.Entry{
+				UserID:  order.RenterID,
+				Type:    "order",
+				Title:   "订单支付成功",
+				Content: "支付金额已冻结，等待号主提交交接说明。",
+				BizType: "order",
+				BizID:   &orderID,
+			},
+		); err != nil {
+			return err
+		}
+		if err := tx.Save(&order).Error; err != nil {
+			return err
+		}
+		if err := tx.Save(&listing).Error; err != nil {
+			return err
+		}
+		return tx.Save(&account).Error
+	})
+	if err != nil {
+		return err
+	}
+	if newConvID > 0 && r.chatRepo != nil {
+		r.chatRepo.NotifyNewConversation(newConvID)
+	}
+	return nil
+}
+
 func (r *Repository) Cancel(userID uint64, orderID uint64) error {
 	return r.db.Transaction(func(tx *gorm.DB) error {
 		var order model.RentalOrder
@@ -1067,6 +1154,15 @@ func isTerminalStatus(status string) bool {
 	return status == "completed" || status == "cancelled" || status == "closed"
 }
 
+func firstNonEmpty(values ...string) string {
+	for _, value := range values {
+		if value != "" {
+			return value
+		}
+	}
+	return ""
+}
+
 func (r *Repository) findHandoffRecord(id uint64) (*HandoffRecordDTO, error) {
 	var record model.HandoffRecord
 	if err := r.db.First(&record, id).Error; err != nil {