refactor: duplicate identifier error

internal/error/generic.go

@@ -35,7 +35,7 @@ const (
 	ErrInputUnknownRelation
 	ErrInputSameRace
 	ErrInputEntityTypeNameInvalid
-	ErrInputEntityTypeNameDuplicate
+	ErrInputNewEntityDuplicateIdentifier
 	ErrInputEntityTypeNameEquality
 	ErrInputEntityNotExists
 	ErrInputEntityNotOwned
@@ -83,8 +83,8 @@ func GenericErrorText(code int) string {
 		return "Race name must be different from your own"
 	case ErrInputEntityTypeNameInvalid:
 		return "Name has invalid length or symbols"
-	case ErrInputEntityTypeNameDuplicate:
-		return "Name already exists"
+	case ErrInputNewEntityDuplicateIdentifier:
+		return "Entity already exists"
 	case ErrInputEntityTypeNameEquality:
 		return "Names should differ"
 	case ErrInputEntityNotExists:

internal/error/input.go

@@ -16,8 +16,8 @@ func NewEntityTypeNameValidationError(arg ...any) error {
 	return newGenericError(ErrInputEntityTypeNameInvalid, arg...)
 }
 
-func NewEntityTypeNameDuplicateError(arg ...any) error {
-	return newGenericError(ErrInputEntityTypeNameDuplicate, arg...)
+func NewEntityDuplicateIdentifierError(arg ...any) error {
+	return newGenericError(ErrInputNewEntityDuplicateIdentifier, arg...)
 }
 
 func NewEntityTypeNameEqualityError(arg ...any) error {