64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
from typing import Any, Dict, Set
|
|
|
|
from django.apps import AppConfig
|
|
from django.conf import settings
|
|
from django.core.exceptions import ImproperlyConfigured
|
|
|
|
|
|
class MediafilesAppConfig(AppConfig):
|
|
name = "openslides.mediafiles"
|
|
verbose_name = "OpenSlides Mediafiles"
|
|
|
|
def ready(self):
|
|
# Import all required stuff.
|
|
from openslides.core.signals import permission_change
|
|
from openslides.utils.rest_api import router
|
|
from .projector import register_projector_slides
|
|
from .signals import get_permission_change_data
|
|
from .views import MediafileViewSet
|
|
from . import serializers # noqa
|
|
from ..utils.access_permissions import required_user
|
|
|
|
# Validate, that the media_url is correct formatted:
|
|
# Must begin and end with a slash. It has to be at least "/".
|
|
media_url = settings.MEDIA_URL
|
|
if not media_url.startswith("/") or not media_url.endswith("/"):
|
|
raise ImproperlyConfigured(
|
|
"The MEDIA_URL setting must start and end with a slash"
|
|
)
|
|
|
|
# Define projector elements.
|
|
register_projector_slides()
|
|
|
|
# Connect signals.
|
|
permission_change.connect(
|
|
get_permission_change_data,
|
|
dispatch_uid="mediafiles_get_permission_change_data",
|
|
)
|
|
|
|
# Register viewsets.
|
|
router.register(
|
|
self.get_model("Mediafile").get_collection_string(), MediafileViewSet
|
|
)
|
|
|
|
# register required_users
|
|
required_user.add_collection_string(
|
|
self.get_model("Mediafile").get_collection_string(), required_users
|
|
)
|
|
|
|
def get_startup_elements(self):
|
|
"""
|
|
Yields all Cachables required on startup i. e. opening the websocket
|
|
connection.
|
|
"""
|
|
yield self.get_model("Mediafile")
|
|
|
|
|
|
def required_users(element: Dict[str, Any]) -> Set[int]:
|
|
"""
|
|
Returns all user ids that are displayed as uploaders in any mediafile
|
|
if request_user can see mediafiles. This function may return an empty
|
|
set.
|
|
"""
|
|
return set((element["uploader_id"],))
|