优化客服会话筛选

backend/internal/modules/chat/participant.go

@@ -12,19 +12,27 @@ import (
 )
 
 type conversationRow struct {
-	ID                 uint64
-	OrderID            *uint64
-	ListingID          *uint64
-	Type               string
-	Title              string
-	Status             string
-	Role               string
-	LastMessageID      *uint64
-	LastMessagePreview string
-	LastMessageAt      *time.Time
-	UnreadCount        int64
-	CreatedAt          time.Time
-	UpdatedAt          time.Time
+	ID                  uint64
+	OrderID             *uint64
+	ListingID           *uint64
+	LatestOrderID       *uint64
+	LatestOrderNo       string
+	LatestOrderStatus   string
+	LatestHandoffStatus string
+	LatestRefundStatus  string
+	Type                string
+	Title               string
+	Status              string
+	Role                string
+	LastMessageID       *uint64
+	LastMessagePreview  string
+	LastMessageAt       *time.Time
+	LastSenderType      string
+	LastSenderID        uint64
+	LastSenderRole      string
+	UnreadCount         int64
+	CreatedAt           time.Time
+	UpdatedAt           time.Time
 }
 
 func (r *Repository) conversationQuery(ctx context.Context, principal Principal) *gorm.DB {
@@ -281,20 +289,28 @@ func (r *Repository) adminNames(ctx context.Context, ids []uint64) (map[uint64]s
 }
 func (row conversationRow) toDTO(participants []ParticipantDTO) ConversationDTO {
 	return ConversationDTO{
-		ID:                 row.ID,
-		OrderID:            row.OrderID,
-		ListingID:          row.ListingID,
-		Type:               row.Type,
-		Title:              row.Title,
-		Status:             row.Status,
-		Role:               row.Role,
-		Participants:       participants,
-		LastMessageID:      row.LastMessageID,
-		LastMessagePreview: row.LastMessagePreview,
-		LastMessageAt:      row.LastMessageAt,
-		UnreadCount:        row.UnreadCount,
-		CreatedAt:          row.CreatedAt,
-		UpdatedAt:          row.UpdatedAt,
+		ID:                  row.ID,
+		OrderID:             row.OrderID,
+		ListingID:           row.ListingID,
+		LatestOrderID:       row.LatestOrderID,
+		LatestOrderNo:       row.LatestOrderNo,
+		LatestOrderStatus:   row.LatestOrderStatus,
+		LatestHandoffStatus: row.LatestHandoffStatus,
+		LatestRefundStatus:  row.LatestRefundStatus,
+		Type:                row.Type,
+		Title:               row.Title,
+		Status:              row.Status,
+		Role:                row.Role,
+		Participants:        participants,
+		LastMessageID:       row.LastMessageID,
+		LastMessagePreview:  row.LastMessagePreview,
+		LastMessageAt:       row.LastMessageAt,
+		LastSenderType:      row.LastSenderType,
+		LastSenderID:        row.LastSenderID,
+		LastSenderRole:      row.LastSenderRole,
+		UnreadCount:         row.UnreadCount,
+		CreatedAt:           row.CreatedAt,
+		UpdatedAt:           row.UpdatedAt,
 	}
 }
 func defaultSupportAdminID(tx *gorm.DB) uint64 {