zulip/zerver/lib/notification_data.py

145 lines
5.3 KiB
Python

from dataclasses import dataclass
from typing import Collection, Dict, List, Optional, Set
from zerver.lib.mention import MentionData
from zerver.models import NotificationTriggers
@dataclass
class UserMessageNotificationsData:
user_id: int
flags: Collection[str]
mentioned: bool
online_push_enabled: bool
stream_push_notify: bool
stream_email_notify: bool
wildcard_mention_notify: bool
sender_is_muted: bool
def __post_init__(self) -> None:
if self.mentioned:
assert "mentioned" in self.flags
if self.wildcard_mention_notify:
assert "wildcard_mentioned" in self.flags
@classmethod
def from_user_id_sets(
cls,
user_id: int,
flags: Collection[str],
online_push_user_ids: Set[int],
stream_push_user_ids: Set[int],
stream_email_user_ids: Set[int],
wildcard_mention_user_ids: Set[int],
muted_sender_user_ids: Set[int],
) -> "UserMessageNotificationsData":
wildcard_mention_notify = (
user_id in wildcard_mention_user_ids and "wildcard_mentioned" in flags
)
return cls(
user_id=user_id,
flags=flags,
mentioned=("mentioned" in flags),
online_push_enabled=(user_id in online_push_user_ids),
stream_push_notify=(user_id in stream_push_user_ids),
stream_email_notify=(user_id in stream_email_user_ids),
wildcard_mention_notify=wildcard_mention_notify,
sender_is_muted=(user_id in muted_sender_user_ids),
)
# TODO: The following functions should also look at the `enable_offline_push_notifications` and
# `enable_offline_email_notifications` settings (for PMs and mentions), but currently they
# don't.
# For these functions, acting_user_id is the user sent a message
# (or edited a message) triggering the event for which we need to
# determine notifiability.
def is_notifiable(self, private_message: bool, acting_user_id: int, idle: bool) -> bool:
return self.is_email_notifiable(
private_message, acting_user_id, idle
) or self.is_push_notifiable(private_message, acting_user_id, idle)
def is_push_notifiable(self, private_message: bool, acting_user_id: int, idle: bool) -> bool:
return self.get_push_notification_trigger(private_message, acting_user_id, idle) is not None
def get_push_notification_trigger(
self, private_message: bool, acting_user_id: int, idle: bool
) -> Optional[str]:
if not idle and not self.online_push_enabled:
return None
if self.user_id == acting_user_id:
return None
if self.sender_is_muted:
return None
if private_message:
return NotificationTriggers.PRIVATE_MESSAGE
elif self.mentioned:
return NotificationTriggers.MENTION
elif self.wildcard_mention_notify:
return NotificationTriggers.WILDCARD_MENTION
elif self.stream_push_notify:
return NotificationTriggers.STREAM_PUSH
else:
return None
def is_email_notifiable(self, private_message: bool, acting_user_id: int, idle: bool) -> bool:
return (
self.get_email_notification_trigger(private_message, acting_user_id, idle) is not None
)
def get_email_notification_trigger(
self, private_message: bool, acting_user_id: int, idle: bool
) -> Optional[str]:
if not idle:
return None
if self.user_id == acting_user_id:
return None
if self.sender_is_muted:
return None
if private_message:
return NotificationTriggers.PRIVATE_MESSAGE
elif self.mentioned:
return NotificationTriggers.MENTION
elif self.wildcard_mention_notify:
return NotificationTriggers.WILDCARD_MENTION
elif self.stream_email_notify:
return NotificationTriggers.STREAM_EMAIL
else:
return None
def get_user_group_mentions_data(
mentioned_user_ids: Set[int], mentioned_user_group_ids: List[int], mention_data: MentionData
) -> Dict[int, int]:
# Maps user_id -> mentioned user_group_id
mentioned_user_groups_map: Dict[int, int] = dict()
# Add members of the mentioned user groups into `mentions_user_ids`.
for group_id in mentioned_user_group_ids:
member_ids = mention_data.get_group_members(group_id)
for member_id in member_ids:
if member_id in mentioned_user_ids:
# If a user is also mentioned personally, we use that as a trigger
# for notifications.
continue
if member_id in mentioned_user_groups_map:
# If multiple user groups are mentioned, we prefer the
# user group with the least members for email/mobile
# notifications.
previous_group_id = mentioned_user_groups_map[member_id]
previous_group_member_ids = mention_data.get_group_members(previous_group_id)
if len(previous_group_member_ids) > len(member_ids):
mentioned_user_groups_map[member_id] = group_id
else:
mentioned_user_groups_map[member_id] = group_id
return mentioned_user_groups_map