fix(initialize): use default handler if it's gorm error

internal/domain/error.go

@@ -19,6 +19,7 @@ var (
 	Validation   = ErrorCode{"validation_error"}
 	Database     = ErrorCode{"database_error"}
 	InactiveUser = ErrorCode{"user_inactive"}
+	Unauthorized = ErrorCode{"unauthorized"}
 )
 
 func FromString(s string) (ErrorCode, error) {
@@ -69,6 +70,10 @@ var (
 		Code:    InactiveUser,
 		Message: "user account is inactive",
 	}
+	ErrUnauthorized = &Error{
+		Code:    Unauthorized,
+		Message: "Unauthorized",
+	}
 )
 
 func NewError(code ErrorCode, message string, err error) *Error {

internal/handler/error.go

@@ -13,7 +13,16 @@ func ErrorHandler(ctx fiber.Ctx, err error) error {
 
 	code := fiber.StatusInternalServerError
 
-	if customErr, ok := err.(*domain.Error); ok {
+	var fiberErr *fiber.Error
+	if errors.As(err, &fiberErr) {
+		code = fiberErr.Code
+		response := NewBaseResponse(code, nil, err)
+		return ctx.Status(code).JSON(response)
+	}
+
+	var customErr *domain.Error
+
+	if errors.As(err, &customErr) {
 		switch customErr.Code {
 		case domain.NotFound:
 			code = fiber.StatusNotFound
@@ -23,11 +32,11 @@ func ErrorHandler(ctx fiber.Ctx, err error) error {
 			code = fiber.StatusInternalServerError
 		case domain.InactiveUser:
 			code = fiber.StatusForbidden
+		case domain.Unauthorized:
+			code = fiber.StatusUnauthorized
 		default:
 			code = fiber.StatusInternalServerError
 		}
-	} else if fiberErr, ok := err.(*fiber.Error); ok {
-		code = fiberErr.Code
 	}
 
 	response := NewBaseResponse(code, nil, err)