Replaced the combined localized data models into flexible, separated localized data models and their accompanying localization data models, so that adding new languages works automatically without having to change the data model definitions.

mia_core/utils.py

@@ -89,63 +89,6 @@ class Language:
         return Language(get_language())
 
 
-def get_multi_lingual_attr(model: Model, name: str,
-                           default: str = None) -> str:
-    """Returns a multi-lingual attribute of a data model.
-
-    Args:
-        model: The data model.
-        name: The attribute name.
-        default: The default language.
-
-    Returns:
-        The attribute in this language, or in the default language if there is
-        no content in the current language.
-    """
-    language = Language.current()
-    title = getattr(model, name + language.db)
-    if default is None:
-        default = Language.default().id
-    if language.id == default:
-        return title
-    if title is not None:
-        return title
-    return getattr(model, name + Language.default().db)
-
-
-def set_multi_lingual_attr(model: Model, name: str, value: str) -> None:
-    """Sets a multi-lingual attribute of a data model.
-
-    Args:
-        model: The data model.
-        name: The attribute name.
-        value: The new value
-    """
-    language = Language.current()
-    setattr(model, name + language.db, value)
-
-
-def get_multi_lingual_search(attr: str, query: str) -> Q:
-    """Returns the query condition on a multi-lingual attribute.
-
-    Args:
-        attr: The base name of the multi-lingual attribute.
-        query: The query.
-
-    Returns:
-        The query condition
-    """
-    language = Language.current()
-    if language.is_default:
-        return Q(**{attr + language.db + "__icontains": query})
-    default = Language.default()
-    q = (Q(**{attr + language.db + "__isnull": False})
-         & Q(**{attr + language.db + "__icontains": query}))\
-        | (Q(**{attr + language.db + "__isnull": True})
-           & Q(**{attr + default.db + "__icontains": query}))
-    return q
-
-
 class UrlBuilder:
     """The URL builder.