feat: improve datasource query audit workflows

backend/internal/service/ticket_service.go

@@ -19,14 +19,16 @@ func NewTicketService(db *gorm.DB) *TicketService {
 
 // CreateTicket creates a new ticket
 func (s *TicketService) CreateTicket(ticket *model.Ticket) error {
-	if ticket.TicketNo == "" {
-		ticket.TicketNo = s.generateTicketNo()
+	if ticket.TicketNo == nil || *ticket.TicketNo == "" {
+		ticketNo := s.generateTicketNo()
+		ticket.TicketNo = &ticketNo
 	}
 	if ticket.CreateTime.IsZero() {
 		ticket.CreateTime = time.Now()
 	}
-	if ticket.Status == "" {
-		ticket.Status = "pending"
+	if ticket.Status == nil || *ticket.Status == "" {
+		status := "pending"
+		ticket.Status = &status
 	}
 	return s.DB.Create(ticket).Error
 }