mirror of https://github.com/zulip/zulip.git
98 lines
3.5 KiB
Python
98 lines
3.5 KiB
Python
from typing import Any, Dict, List
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from django.db import transaction
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from django.utils.translation import gettext as _
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from zerver.lib.exceptions import JsonableError
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from zerver.models import Realm, UserGroup, UserGroupMembership, UserProfile
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def access_user_group_by_id(
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user_group_id: int, user_profile: UserProfile, for_mention: bool = False
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) -> UserGroup:
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try:
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user_group = UserGroup.objects.get(id=user_group_id, realm=user_profile.realm)
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if not for_mention and user_group.is_system_group:
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raise JsonableError(_("Insufficient permission"))
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group_member_ids = get_user_group_direct_members(user_group)
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if (
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not user_profile.is_realm_admin
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and not user_profile.is_moderator
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and user_profile.id not in group_member_ids
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):
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raise JsonableError(_("Insufficient permission"))
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except UserGroup.DoesNotExist:
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raise JsonableError(_("Invalid user group"))
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return user_group
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def user_groups_in_realm_serialized(realm: Realm) -> List[Dict[str, Any]]:
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"""This function is used in do_events_register code path so this code
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should be performant. We need to do 2 database queries because
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Django's ORM doesn't properly support the left join between
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UserGroup and UserGroupMembership that we need.
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"""
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realm_groups = UserGroup.objects.filter(realm=realm)
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group_dicts: Dict[str, Any] = {}
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for user_group in realm_groups:
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group_dicts[user_group.id] = dict(
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id=user_group.id,
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name=user_group.name,
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description=user_group.description,
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members=[],
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is_system_group=user_group.is_system_group,
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)
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membership = UserGroupMembership.objects.filter(user_group__realm=realm).values_list(
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"user_group_id", "user_profile_id"
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)
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for (user_group_id, user_profile_id) in membership:
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group_dicts[user_group_id]["members"].append(user_profile_id)
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for group_dict in group_dicts.values():
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group_dict["members"] = sorted(group_dict["members"])
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return sorted(group_dicts.values(), key=lambda group_dict: group_dict["id"])
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def get_direct_user_groups(user_profile: UserProfile) -> List[UserGroup]:
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return list(user_profile.usergroup_set.all())
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def remove_user_from_user_group(user_profile: UserProfile, user_group: UserGroup) -> int:
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num_deleted, _ = UserGroupMembership.objects.filter(
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user_profile=user_profile, user_group=user_group
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).delete()
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return num_deleted
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def create_user_group(
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name: str,
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members: List[UserProfile],
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realm: Realm,
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*,
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description: str = "",
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is_system_group: bool = False,
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) -> UserGroup:
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with transaction.atomic():
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user_group = UserGroup.objects.create(
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name=name, realm=realm, description=description, is_system_group=is_system_group
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)
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UserGroupMembership.objects.bulk_create(
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UserGroupMembership(user_profile=member, user_group=user_group) for member in members
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)
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return user_group
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def get_user_group_direct_members(user_group: UserGroup) -> List[int]:
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return UserGroupMembership.objects.filter(user_group=user_group).values_list(
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"user_profile_id", flat=True
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)
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def get_direct_memberships_of_users(user_group: UserGroup, members: List[UserProfile]) -> List[int]:
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return list(
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UserGroupMembership.objects.filter(
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user_group=user_group, user_profile__in=members
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).values_list("user_profile_id", flat=True)
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)
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