修复反馈

internal/infrastructure/wallet/debit_event.go

@@ -5,9 +5,11 @@ import (
 	"context"
 	"strconv"
 
+	notificationapp "github.com/break/junhong_cmp_fiber/internal/application/notification"
 	walletapp "github.com/break/junhong_cmp_fiber/internal/application/wallet"
 	"github.com/break/junhong_cmp_fiber/internal/infrastructure/audit"
 	"github.com/break/junhong_cmp_fiber/internal/infrastructure/messaging/outbox"
+	"github.com/break/junhong_cmp_fiber/internal/model"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"gorm.io/gorm"
@@ -39,5 +41,54 @@ func (w *DebitEventWriter) Append(ctx context.Context, tx *gorm.DB, event wallet
 	if err != nil {
 		return err
 	}
-	return w.audit.WriteAgentWalletDebit(ctx, tx, event)
+	if err := w.audit.WriteAgentWalletDebit(ctx, tx, event); err != nil {
+		return err
+	}
+	if event.BalanceBefore < constants.AgentMainWalletLowBalanceThreshold || event.BalanceAfter >= constants.AgentMainWalletLowBalanceThreshold {
+		return nil
+	}
+	recipientID, err := resolveBusinessOwnerAccountID(ctx, tx, event.ShopID)
+	if err != nil || recipientID == 0 {
+		return err
+	}
+	shopID := strconv.FormatUint(uint64(event.ShopID), 10)
+	notificationEventID := "wallet-low:order:" + strconv.FormatUint(uint64(event.ReferenceID), 10)
+	_, err = w.outbox.AppendIdempotent(ctx, tx, outbox.Envelope{
+		EventID: notificationEventID, EventType: constants.OutboxEventTypeAdminDirectNotification,
+		PayloadVersion: constants.NotificationPayloadVersionV1,
+		AggregateType:  "agent_wallet", AggregateID: strconv.FormatUint(uint64(event.WalletID), 10),
+		ResourceType: constants.NotificationRefTypeShopFund, ResourceID: shopID,
+		BusinessKey: notificationEventID, RequestID: event.RequestID, CorrelationID: event.CorrelationID,
+		Payload: notificationapp.AdminDirectPayload{
+			RecipientID: recipientID, NotificationType: constants.NotificationTypeAgentMainWalletLowBalance,
+			RefType: constants.NotificationRefTypeShopFund, RefID: shopID,
+		},
+	})
+	if err != nil {
+		return errors.Wrap(errors.CodeDatabaseError, err, "写入主钱包低余额通知事件失败")
+	}
+	return nil
+}
+
+// resolveBusinessOwnerAccountID 返回店铺当前启用的平台业务员账号；无有效归属时返回零值。
+func resolveBusinessOwnerAccountID(ctx context.Context, tx *gorm.DB, shopID uint) (uint, error) {
+	var shop model.Shop
+	err := tx.WithContext(ctx).Select("business_owner_account_id").Where("id = ?", shopID).Take(&shop).Error
+	if err == gorm.ErrRecordNotFound || shop.BusinessOwnerAccountID == nil {
+		return 0, nil
+	}
+	if err != nil {
+		return 0, errors.Wrap(errors.CodeDatabaseError, err, "查询店铺业务员归属失败")
+	}
+	var account model.Account
+	err = tx.WithContext(ctx).Select("id").
+		Where("id = ? AND status = ? AND user_type = ?", *shop.BusinessOwnerAccountID, constants.StatusEnabled, constants.UserTypePlatform).
+		Take(&account).Error
+	if err == gorm.ErrRecordNotFound {
+		return 0, nil
+	}
+	if err != nil {
+		return 0, errors.Wrap(errors.CodeDatabaseError, err, "校验店铺业务员账号失败")
+	}
+	return account.ID, nil
 }