优化线下结算筛选

backend/internal/modules/order/dto.go

@@ -150,13 +150,14 @@ type OfflineSettlementRequest struct {
 }
 
 type AdminOrderQuery struct {
-	Page             int
-	PageSize         int
-	Keyword          string
-	Status           string
-	HandoffStatus    string
-	HandoffMode      string
-	SettlementStatus string
+	Page                    int
+	PageSize                int
+	Keyword                 string
+	Status                  string
+	HandoffStatus           string
+	HandoffMode             string
+	SettlementStatus        string
+	OfflineSettlementStatus string
 }
 
 type AuditMeta = auditlog.Meta

backend/internal/modules/order/handler_parse.go

@@ -55,12 +55,13 @@ func parsePagination(c *gin.Context) (int, int) {
 func parseAdminOrderQuery(c *gin.Context) AdminOrderQuery {
 	page, pageSize := parsePagination(c)
 	return AdminOrderQuery{
-		Page:             page,
-		PageSize:         pageSize,
-		Keyword:          strings.TrimSpace(c.Query("keyword")),
-		Status:           strings.TrimSpace(c.Query("status")),
-		HandoffStatus:    strings.TrimSpace(c.Query("handoff_status")),
-		HandoffMode:      strings.TrimSpace(c.Query("handoff_mode")),
-		SettlementStatus: strings.TrimSpace(c.Query("settlement_status")),
+		Page:                    page,
+		PageSize:                pageSize,
+		Keyword:                 strings.TrimSpace(c.Query("keyword")),
+		Status:                  strings.TrimSpace(c.Query("status")),
+		HandoffStatus:           strings.TrimSpace(c.Query("handoff_status")),
+		HandoffMode:             strings.TrimSpace(c.Query("handoff_mode")),
+		SettlementStatus:        strings.TrimSpace(c.Query("settlement_status")),
+		OfflineSettlementStatus: strings.TrimSpace(c.Query("offline_settlement_status")),
 	}
 }

backend/internal/modules/order/queries.go

@@ -93,6 +93,9 @@ func applyAdminOrderFilters(db *gorm.DB, query AdminOrderQuery) *gorm.DB {
 	if query.SettlementStatus != "" {
 		db = db.Where("o.settlement_status = ?", query.SettlementStatus)
 	}
+	if query.OfflineSettlementStatus != "" {
+		db = db.Where("COALESCE(NULLIF(o.offline_settlement_status, ''), 'none') = ?", query.OfflineSettlementStatus)
+	}
 	if keyword := strings.TrimSpace(query.Keyword); keyword != "" {
 		like := "%" + keyword + "%"
 		if id, err := strconv.ParseUint(keyword, 10, 64); err == nil {