taiga-back/taiga/base/fields.py

110 lines
3.0 KiB
Python

# Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
# Copyright (C) 2014 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014 David Barragán <bameda@dbarragan.com>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from django.forms import widgets
from django.utils.translation import ugettext as _
from taiga.base.api import serializers
####################################################################
## Serializer fields
####################################################################
class JsonField(serializers.WritableField):
"""
Json objects serializer.
"""
widget = widgets.Textarea
def to_native(self, obj):
return obj
def from_native(self, data):
return data
class I18NJsonField(JsonField):
"""
Json objects serializer.
"""
widget = widgets.Textarea
def __init__(self, i18n_fields=(), *args, **kwargs):
super(I18NJsonField, self).__init__(*args, **kwargs)
self.i18n_fields = i18n_fields
def translate_values(self, d):
i18n_d = {}
for key, value in d.items():
if isinstance(value, dict):
i18n_d[key] = self.translate_values(value)
if key in self.i18n_fields:
if isinstance(value, list):
i18n_d[key] = [e is not None and _(e) or e for e in value]
if isinstance(value, str):
i18n_d[key] = value is not None and _(value) or value
else:
i18n_d[key] = value
return i18n_d
def to_native(self, obj):
i18n_obj = self.translate_values(obj)
return i18n_obj
class PgArrayField(serializers.WritableField):
"""
PgArray objects serializer.
"""
widget = widgets.Textarea
def to_native(self, obj):
return obj
def from_native(self, data):
return data
class TagsField(serializers.WritableField):
"""
Pickle objects serializer.
"""
def to_native(self, obj):
return obj
def from_native(self, data):
if not data:
return data
ret = sum([tag.split(",") for tag in data], [])
return ret
class TagsColorsField(serializers.WritableField):
"""
PgArray objects serializer.
"""
widget = widgets.Textarea
def to_native(self, obj):
return dict(obj)
def from_native(self, data):
return list(data.items())