OpenSlides/openslides/mediafiles/apps.py

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from typing import Any, Dict, Set
from django.apps import AppConfig
class MediafilesAppConfig(AppConfig):
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name = "openslides.mediafiles"
verbose_name = "OpenSlides Mediafiles"
angular_site_module = True
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
# Define projector elements.
register_projector_slides()
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# Connect signals.
permission_change.connect(
get_permission_change_data,
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dispatch_uid="mediafiles_get_permission_change_data",
)
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# Register viewsets.
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router.register(
self.get_model("Mediafile").get_collection_string(), MediafileViewSet
)
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# register required_users
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required_user.add_collection_string(
self.get_model("Mediafile").get_collection_string(), required_users
)
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def get_startup_elements(self):
"""
Yields all Cachables required on startup i. e. opening the websocket
connection.
"""
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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"],))