OpenSlides/openslides/mediafiles/signals.py

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2017-02-21 09:34:24 +01:00
from django.apps import apps
def get_permission_change_data(sender, permissions=None, **kwargs):
"""
Returns all necessary collections if a 'can_see' permission changes.
"""
mediafile_app = apps.get_app_config(app_label='mediafiles')
for permission in permissions:
# There could be only one 'mediafiles.can_see' and then we want to return data.
if permission.content_type.app_label == mediafile_app.label and permission.codename == 'can_see':
return mediafile_app.get_startup_elements()
return None