perbaikan tool generete

internal/models/models.go

@@ -0,0 +1,85 @@
+package models
+
+import (
+	"database/sql"
+	"database/sql/driver"
+	"time"
+)
+
+// NullableInt32 is a custom type to replace sql.NullInt32 for swagger compatibility
+type NullableInt32 struct {
+	Int32 int32 `json:"int32,omitempty"`
+	Valid bool  `json:"valid"`
+}
+
+// Scan implements the sql.Scanner interface for NullableInt32
+func (n *NullableInt32) Scan(value interface{}) error {
+	var ni sql.NullInt32
+	if err := ni.Scan(value); err != nil {
+		return err
+	}
+	n.Int32 = ni.Int32
+	n.Valid = ni.Valid
+	return nil
+}
+
+// Value implements the driver.Valuer interface for NullableInt32
+func (n NullableInt32) Value() (driver.Value, error) {
+	if !n.Valid {
+		return nil, nil
+	}
+	return n.Int32, nil
+}
+
+// Metadata untuk pagination - dioptimalkan
+type MetaResponse struct {
+	Limit       int  `json:"limit"`
+	Offset      int  `json:"offset"`
+	Total       int  `json:"total"`
+	TotalPages  int  `json:"total_pages"`
+	CurrentPage int  `json:"current_page"`
+	HasNext     bool `json:"has_next"`
+	HasPrev     bool `json:"has_prev"`
+}
+
+// Aggregate data untuk summary
+type AggregateData struct {
+	TotalActive   int            `json:"total_active"`
+	TotalDraft    int            `json:"total_draft"`
+	TotalInactive int            `json:"total_inactive"`
+	ByStatus      map[string]int `json:"by_status"`
+	ByDinas       map[string]int `json:"by_dinas,omitempty"`
+	ByJenis       map[string]int `json:"by_jenis,omitempty"`
+	LastUpdated   *time.Time     `json:"last_updated,omitempty"`
+	CreatedToday  int            `json:"created_today"`
+	UpdatedToday  int            `json:"updated_today"`
+}
+
+// Error response yang konsisten
+type ErrorResponse struct {
+	Error     string    `json:"error"`
+	Code      int       `json:"code"`
+	Message   string    `json:"message"`
+	Timestamp time.Time `json:"timestamp"`
+}
+
+// Validation constants
+const (
+	StatusDraft    = "draft"
+	StatusActive   = "active"
+	StatusInactive = "inactive"
+	StatusDeleted  = "deleted"
+)
+
+// ValidStatuses untuk validasi
+var ValidStatuses = []string{StatusDraft, StatusActive, StatusInactive}
+
+// IsValidStatus helper function
+func IsValidStatus(status string) bool {
+	for _, validStatus := range ValidStatuses {
+		if status == validStatus {
+			return true
+		}
+	}
+	return false
+}