perbaikan Swagger

internal/models/retribusi/retribusi.go

@@ -2,16 +2,42 @@ package models
 
 import (
 	"database/sql"
+	"database/sql/driver"
 	"encoding/json"
 	"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
+}
+
 // Retribusi represents the data structure for the retribusi table
 // with proper null handling and optimized JSON marshaling
 type Retribusi struct {
     ID             string         `json:"id" db:"id"`
     Status         string         `json:"status" db:"status"`
-    Sort           sql.NullInt32  `json:"sort,omitempty" db:"sort"`
+    Sort           NullableInt32  `json:"sort,omitempty" db:"sort"`
     UserCreated    sql.NullString `json:"user_created,omitempty" db:"user_created"`
     DateCreated    sql.NullTime   `json:"date_created,omitempty" db:"date_created"`
     UserUpdated    sql.NullString `json:"user_updated,omitempty" db:"user_updated"`
@@ -60,7 +86,7 @@ func (r Retribusi) MarshalJSON() ([]byte, error) {
         Alias: (*Alias)(&r),
     }
 
-    // Convert sql.Null* to pointers
+    // Convert NullableInt32 to pointer
     if r.Sort.Valid {
         sort := int(r.Sort.Int32)
         aux.Sort = &sort