OpenSlides/openslides/users/signals.py
2018-02-16 14:06:54 +01:00

168 lines
6.9 KiB
Python

from django.apps import apps
from django.contrib.auth.models import Permission
from django.db.models import Q
from ..utils.autoupdate import inform_changed_data
from .models import Group, User
def get_permission_change_data(sender, permissions=None, **kwargs):
"""
Yields all necessary collections if 'users.can_see_name' permission changes.
"""
users_app = apps.get_app_config(app_label='users')
for permission in permissions:
# There could be only one 'users.can_see_name' and then we want to return data.
if permission.content_type.app_label == users_app.label and permission.codename == 'can_see_name':
yield from users_app.get_startup_elements()
def create_builtin_groups_and_admin(**kwargs):
"""
Creates the builtin groups: Default, Delegates, Staff and Committees.
Creates the builtin user: admin.
"""
# Check whether there are groups in the database.
if Group.objects.exists():
# Do completely nothing if there are already some groups in the database.
return
permission_strings = (
'agenda.can_be_speaker',
'agenda.can_manage',
'agenda.can_manage_list_of_speakers',
'agenda.can_see',
'agenda.can_see_hidden_items',
'assignments.can_manage',
'assignments.can_nominate_other',
'assignments.can_nominate_self',
'assignments.can_see',
'core.can_manage_config',
'core.can_manage_logos_and_fonts',
'core.can_manage_projector',
'core.can_manage_tags',
'core.can_manage_chat',
'core.can_see_frontpage',
'core.can_see_projector',
'core.can_use_chat',
'mediafiles.can_manage',
'mediafiles.can_see',
'mediafiles.can_see_hidden',
'mediafiles.can_upload',
'motions.can_create',
'motions.can_manage',
'motions.can_see',
'motions.can_see_and_manage_comments',
'motions.can_support',
'users.can_manage',
'users.can_see_extra_data',
'users.can_see_name', )
permission_query = Q()
permission_dict = {}
# Load all permissions
for permission_string in permission_strings:
app_label, codename = permission_string.split('.')
query_part = Q(content_type__app_label=app_label) & Q(codename=codename)
permission_query = permission_query | query_part
for permission in Permission.objects.select_related('content_type').filter(permission_query):
permission_string = '.'.join((permission.content_type.app_label, permission.codename))
permission_dict[permission_string] = permission
# Default (pk 1)
base_permissions = (
permission_dict['agenda.can_see'],
permission_dict['agenda.can_see_hidden_items'],
permission_dict['assignments.can_see'],
permission_dict['core.can_see_frontpage'],
permission_dict['core.can_see_projector'],
permission_dict['mediafiles.can_see'],
permission_dict['motions.can_see'],
permission_dict['users.can_see_name'], )
group_default = Group.objects.create(name='Default')
group_default.permissions.add(*base_permissions)
# Delegates (pk 2)
delegates_permissions = (
permission_dict['agenda.can_see'],
permission_dict['agenda.can_see_hidden_items'],
permission_dict['agenda.can_be_speaker'],
permission_dict['assignments.can_see'],
permission_dict['assignments.can_nominate_other'],
permission_dict['assignments.can_nominate_self'],
permission_dict['core.can_see_frontpage'],
permission_dict['core.can_see_projector'],
permission_dict['mediafiles.can_see'],
permission_dict['mediafiles.can_upload'],
permission_dict['motions.can_see'],
permission_dict['motions.can_create'],
permission_dict['motions.can_support'],
permission_dict['users.can_see_name'], )
group_delegates = Group.objects.create(name='Delegates')
group_delegates.permissions.add(*delegates_permissions)
# Staff (pk 3)
staff_permissions = (
permission_dict['agenda.can_see'],
permission_dict['agenda.can_see_hidden_items'],
permission_dict['agenda.can_be_speaker'],
permission_dict['agenda.can_manage'],
permission_dict['agenda.can_manage_list_of_speakers'],
permission_dict['assignments.can_see'],
permission_dict['assignments.can_manage'],
permission_dict['assignments.can_nominate_other'],
permission_dict['assignments.can_nominate_self'],
permission_dict['core.can_see_frontpage'],
permission_dict['core.can_see_projector'],
permission_dict['core.can_manage_config'],
permission_dict['core.can_manage_logos_and_fonts'],
permission_dict['core.can_manage_projector'],
permission_dict['core.can_manage_tags'],
permission_dict['core.can_use_chat'],
permission_dict['core.can_manage_chat'],
permission_dict['mediafiles.can_see'],
permission_dict['mediafiles.can_manage'],
permission_dict['mediafiles.can_upload'],
permission_dict['motions.can_see'],
permission_dict['motions.can_create'],
permission_dict['motions.can_manage'],
permission_dict['motions.can_see_and_manage_comments'],
permission_dict['users.can_see_name'],
permission_dict['users.can_manage'],
permission_dict['users.can_see_extra_data'],
permission_dict['mediafiles.can_see_hidden'],)
group_staff = Group.objects.create(name='Staff')
group_staff.permissions.add(*staff_permissions)
# Add users.can_see_name permission to staff
# group to ensure proper management possibilities
# TODO: Remove this redundancy after cleanup of the permission system.
group_staff.permissions.add(
permission_dict['users.can_see_name'])
# Committees (pk 4)
committees_permissions = (
permission_dict['agenda.can_see'],
permission_dict['agenda.can_see_hidden_items'],
permission_dict['agenda.can_be_speaker'],
permission_dict['assignments.can_see'],
permission_dict['core.can_see_frontpage'],
permission_dict['core.can_see_projector'],
permission_dict['mediafiles.can_see'],
permission_dict['mediafiles.can_upload'],
permission_dict['motions.can_see'],
permission_dict['motions.can_create'],
permission_dict['motions.can_support'],
permission_dict['users.can_see_name'], )
group_committee = Group.objects.create(name='Committees')
group_committee.permissions.add(*committees_permissions)
# Create or reset admin user
User.objects.create_or_reset_admin_user()
# After each group was created, the permissions (many to many fields) where
# added to the group. So we have to update the cache by calling
# inform_changed_data().
inform_changed_data((group_default, group_delegates, group_staff, group_committee))