taiga-back/taiga/projects/mixins/serializers.py

98 lines
3.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.nz>
# Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
# Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
# 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 taiga.base.api import serializers
from taiga.users.serializers import ListUserBasicInfoSerializer
from django.utils.translation import ugettext as _
import serpy
class ValidateDuplicatedNameInProjectMixin(serializers.ModelSerializer):
def validate_name(self, attrs, source):
"""
Check the points name is not duplicated in the project on creation
"""
model = self.opts.model
qs = None
# If the object exists:
if self.object and attrs.get(source, None):
qs = model.objects.filter(project=self.object.project, name=attrs[source]).exclude(id=self.object.id)
if not self.object and attrs.get("project", None) and attrs.get(source, None):
qs = model.objects.filter(project=attrs["project"], name=attrs[source])
if qs and qs.exists():
raise serializers.ValidationError(_("Name duplicated for the project"))
return attrs
class ListCachedUsersSerializerMixin(serpy.Serializer):
def to_value(self, instance):
self._serialized_users = {}
return super().to_value(instance)
def get_user_extra_info(self, user):
if user is None:
return None
serialized_user = self._serialized_users.get(user.id, None)
if serialized_user is None:
serializer_user = ListUserBasicInfoSerializer(user).data
self._serialized_users[user.id] = serializer_user
return serialized_user
class ListOwnerExtraInfoSerializerMixin(ListCachedUsersSerializerMixin):
owner = serpy.Field(attr="owner_id")
owner_extra_info = serpy.MethodField()
def get_owner_extra_info(self, obj):
return self.get_user_extra_info(obj.owner)
class ListAssignedToExtraInfoSerializerMixin(ListCachedUsersSerializerMixin):
assigned_to = serpy.Field(attr="assigned_to_id")
assigned_to_extra_info = serpy.MethodField()
def get_assigned_to_extra_info(self, obj):
return self.get_user_extra_info(obj.assigned_to)
class ListStatusExtraInfoSerializerMixin(serpy.Serializer):
status = serpy.Field(attr="status_id")
status_extra_info = serpy.MethodField()
def to_value(self, instance):
self._serialized_status = {}
return super().to_value(instance)
def get_status_extra_info(self, obj):
serialized_status = self._serialized_status.get(obj.status_id, None)
if serialized_status is None:
serialized_status = {
"name": _(obj.status.name),
"color": obj.status.color
}
self._serialized_status[obj.status_id] = serialized_status
return serialized_status