修复平台代管订单流程

backend/internal/modules/dispute/arbitration.go

@@ -10,6 +10,7 @@ import (
 
 	"hfb_sys/backend/internal/listingstatus"
 	"hfb_sys/backend/internal/model"
+	"hfb_sys/backend/internal/modules/adminnotification"
 	"hfb_sys/backend/internal/modules/notification"
 	"hfb_sys/backend/internal/modules/wallet"
 	"hfb_sys/backend/pkg/money"
@@ -62,7 +63,12 @@ func (r *Repository) Arbitrate(ctx context.Context, adminID uint64, id uint64, r
 		order.Status = arbitrateOrderStatus(req.Result)
 		order.SettlementStatus = "arbitrated"
 		order.SettledAt = &now
-		order.OwnerSettledAt = &now
+		if isPlatformManagedOrder(order) {
+			order.OwnerSettledAt = nil
+			applyPlatformManagedSettlement(&order, &settlement)
+		} else {
+			order.OwnerSettledAt = &now
+		}
 		if order.HandoffStatus != "cancelled" && order.HandoffStatus != "returned" {
 			order.HandoffStatus = "arbitrated"
 		}
@@ -147,25 +153,32 @@ func (r *Repository) Arbitrate(ctx context.Context, adminID uint64, id uint64, r
 		}); err != nil {
 			return err
 		}
-		if err := notification.Append(tx,
-			notification.Entry{
-				UserID:  order.RenterID,
-				Type:    "arbitration",
-				Title:   "申诉仲裁已完成",
-				Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
-				BizType: "dispute",
-				BizID:   &disputeID,
-			},
-			notification.Entry{
-				UserID:  order.OwnerID,
-				Type:    "arbitration",
-				Title:   "申诉仲裁已完成",
-				Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
-				BizType: "dispute",
-				BizID:   &disputeID,
-			},
-		); err != nil {
-			return err
+		renterNotification := notification.Entry{
+			UserID:  order.RenterID,
+			Type:    "arbitration",
+			Title:   "申诉仲裁已完成",
+			Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
+			BizType: "dispute",
+			BizID:   &disputeID,
+		}
+		if isPlatformManagedOrder(order) {
+			if err := notification.Append(tx, renterNotification); err != nil {
+				return err
+			}
+		} else {
+			if err := notification.Append(tx,
+				renterNotification,
+				notification.Entry{
+					UserID:  order.OwnerID,
+					Type:    "arbitration",
+					Title:   "申诉仲裁已完成",
+					Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
+					BizType: "dispute",
+					BizID:   &disputeID,
+				},
+			); err != nil {
+				return err
+			}
 		}
 		return nil
 	})
@@ -181,6 +194,42 @@ func (r *Repository) Arbitrate(ctx context.Context, adminID uint64, id uint64, r
 	return &dto, nil
 }
 
+func isPlatformManagedOrder(order model.RentalOrder) bool {
+	return order.SettlementMode == "platform_managed" || order.HandoffMode == "platform"
+}
+
+func appendPlatformManagedAdminNotification(tx *gorm.DB, order model.RentalOrder, typ string, title string, content string) error {
+	if order.ManagedAdminID == nil || *order.ManagedAdminID == 0 || title == "" {
+		return nil
+	}
+	return adminnotification.Append(tx, adminnotification.Entry{
+		AdminUserID: *order.ManagedAdminID,
+		Type:        typ,
+		Title:       title,
+		Content:     content,
+	})
+}
+
+func applyPlatformManagedSettlement(order *model.RentalOrder, settlement *arbitrationSettlement) {
+	if order == nil || settlement == nil {
+		return
+	}
+	filtered := settlement.Entries[:0]
+	for _, entry := range settlement.Entries {
+		if entry.UserID == order.OwnerID && entry.Direction == "in" && entry.BizType == "arbitration_owner_income" {
+			continue
+		}
+		filtered = append(filtered, entry)
+	}
+	settlement.Entries = filtered
+	order.OfflineSettlementAmountCent = settlement.OwnerIncomeAmountCent
+	if settlement.OwnerIncomeAmountCent > 0 {
+		order.OfflineSettlementStatus = "pending"
+	} else {
+		order.OfflineSettlementStatus = "none"
+	}
+}
+
 type arbitrationSettlement struct {
 	Entries                 []wallet.Entry
 	RenterRefundAmountCent  int64