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Added the default parameter to the get_multi_lingual_attr() function to allow a different default lanugage for a data model.

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This commit is contained in:
依瑪貓 2020-07-16 23:18:16 +08:00
parent 418dcd9803
commit e2945045f3
2 changed files with 9 additions and 3 deletions
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2
mia_core/models.py
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@ -55,7 +55,7 @@ class Country(models.Model):
@property
def name(self):
if self._name is None:
self._name = get_multi_lingual_attr(self, "name")
self._name = get_multi_lingual_attr(self, "name", "en")
return self._name
@name.setter

10
mia_core/utils.py
View File

@ -32,15 +32,18 @@ class Language:
language (str): The Django language code.
Attributes:
id (str): The language ID
db (str): The database column suffix of this language.
locale (str); The locale name of this language.
is_default (bool): Whether this is the default language.
"""
id = None
db = None
locale = None
is_default = False
def __init__(self, language):
self.id = language
self.db = "_" + language.lower().replace("-", "_")
if language == "zh-hant":
self.locale = "zh-TW"
@ -59,12 +62,13 @@ class Language:
return Language(get_language())
def get_multi_lingual_attr(model, name):
def get_multi_lingual_attr(model, name, default=None):
"""Returns a multi-lingual attribute of a data model.
Args:
model (object): The data model.
name (str): The attribute name.
default (str): The default language.
Returns:
(any): The attribute in this language, or in the default
@ -72,7 +76,9 @@ def get_multi_lingual_attr(model, name):
"""
language = Language.current()
title = getattr(model, name + language.db)
if language.is_default:
if default is None:
default = Language.default().id
if language.id == default:
return title
if title is not None:
return title