from django.apps import apps from django.contrib.auth.models import Permission from django.db.models import Q from ..utils.auth import GROUP_ADMIN_PK, GROUP_DEFAULT_PK 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_internal_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_manage_metadata', 'motions.can_see', '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 == GROUP_DEFAULT_PK) base_permissions = ( permission_dict['agenda.can_see'], permission_dict['agenda.can_see_internal_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(pk=GROUP_DEFAULT_PK, name='Default') group_default.save(skip_autoupdate=True) group_default.permissions.add(*base_permissions) # Admin (pk 2 == GROUP_ADMIN_PK) group_admin = Group(pk=GROUP_ADMIN_PK, name='Admin') group_admin.save(skip_autoupdate=True) # Delegates (pk 3) delegates_permissions = ( permission_dict['agenda.can_see'], permission_dict['agenda.can_see_internal_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['motions.can_see'], permission_dict['motions.can_create'], permission_dict['motions.can_support'], permission_dict['users.can_see_name'], ) group_delegates = Group(pk=3, name='Delegates') group_delegates.save(skip_autoupdate=True) group_delegates.permissions.add(*delegates_permissions) # Staff (pk 4) staff_permissions = ( permission_dict['agenda.can_see'], permission_dict['agenda.can_see_internal_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_projector'], permission_dict['core.can_manage_tags'], permission_dict['core.can_use_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_manage_metadata'], 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(pk=4, name='Staff') group_staff.save(skip_autoupdate=True) group_staff.permissions.add(*staff_permissions) # Committees (pk 5) committees_permissions = ( permission_dict['agenda.can_see'], permission_dict['agenda.can_see_internal_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['motions.can_create'], permission_dict['motions.can_support'], permission_dict['users.can_see_name'], ) group_committee = Group(pk=5, name='Committees') group_committee.save(skip_autoupdate=True) 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. But we do not have to update the cache by calling # inform_changed_data() because the cache is updated on server start.