taiga-back/taiga/projects/attachments/api.py

102 lines
3.8 KiB
Python

# 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/>.
import os.path as path
import mimetypes
mimetypes.init()
from django.utils.translation import ugettext as _
from django.contrib.contenttypes.models import ContentType
from taiga.base import filters
from taiga.base import exceptions as exc
from taiga.base.api import ModelCrudViewSet
from taiga.base.api.mixins import BlockedByProjectMixin
from taiga.base.api.utils import get_object_or_404
from taiga.projects.notifications.mixins import WatchedResourceMixin
from taiga.projects.history.mixins import HistoryResourceMixin
from . import permissions
from . import serializers
from . import models
class BaseAttachmentViewSet(HistoryResourceMixin, WatchedResourceMixin,
BlockedByProjectMixin, ModelCrudViewSet):
model = models.Attachment
serializer_class = serializers.AttachmentSerializer
filter_fields = ["project", "object_id"]
content_type = None
def update(self, *args, **kwargs):
partial = kwargs.get("partial", False)
if not partial:
raise exc.NotSupported(_("Partial updates are not supported"))
return super().update(*args, **kwargs)
def get_content_type(self):
app_name, model = self.content_type.split(".", 1)
return get_object_or_404(ContentType, app_label=app_name, model=model)
def pre_save(self, obj):
if not obj.id:
obj.content_type = self.get_content_type()
obj.owner = self.request.user
obj.size = obj.attached_file.size
obj.name = path.basename(obj.attached_file.name)
if obj.project_id != obj.content_object.project_id:
raise exc.WrongArguments(_("Project ID not matches between object and project"))
super().pre_save(obj)
def post_delete(self, obj):
# NOTE: When destroy an attachment, the content_object change
# after and not before
self.persist_history_snapshot(obj, delete=True)
super().pre_delete(obj)
def get_object_for_snapshot(self, obj):
return obj.content_object
class UserStoryAttachmentViewSet(BaseAttachmentViewSet):
permission_classes = (permissions.UserStoryAttachmentPermission,)
filter_backends = (filters.CanViewUserStoryAttachmentFilterBackend,)
content_type = "userstories.userstory"
class IssueAttachmentViewSet(BaseAttachmentViewSet):
permission_classes = (permissions.IssueAttachmentPermission,)
filter_backends = (filters.CanViewIssueAttachmentFilterBackend,)
content_type = "issues.issue"
class TaskAttachmentViewSet(BaseAttachmentViewSet):
permission_classes = (permissions.TaskAttachmentPermission,)
filter_backends = (filters.CanViewTaskAttachmentFilterBackend,)
content_type = "tasks.task"
class WikiAttachmentViewSet(BaseAttachmentViewSet):
permission_classes = (permissions.WikiAttachmentPermission,)
filter_backends = (filters.CanViewWikiAttachmentFilterBackend,)
content_type = "wiki.wikipage"