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- # Copyright 2015, 2016 OpenMarket Ltd
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- from typing import Dict
-
- from synapse.api.constants import EventTypes, Membership
- from synapse.events import EventBase
- from synapse.push.presentable_names import calculate_room_name, name_from_member_event
- from synapse.storage.controllers import StorageControllers
- from synapse.storage.databases.main import DataStore
-
-
- async def get_badge_count(store: DataStore, user_id: str, group_by_room: bool) -> int:
- invites = await store.get_invited_rooms_for_local_user(user_id)
- joins = await store.get_rooms_for_user(user_id)
-
- badge = len(invites)
-
- room_to_count = await store.get_unread_counts_by_room_for_user(user_id)
- for room_id, notify_count in room_to_count.items():
- # room_to_count may include rooms which the user has left,
- # ignore those.
- if room_id not in joins:
- continue
-
- if notify_count == 0:
- continue
-
- if group_by_room:
- # return one badge count per conversation
- badge += 1
- else:
- # Increase badge by number of notifications in room
- # NOTE: this includes threaded and unthreaded notifications.
- badge += notify_count
-
- return badge
-
-
- async def get_context_for_event(
- storage: StorageControllers, ev: EventBase, user_id: str
- ) -> Dict[str, str]:
- ctx: Dict[str, str] = {}
-
- if ev.internal_metadata.outlier:
- # We don't have state for outliers, so we can't compute the context
- # except for invites and knocks. (Such events are known as 'out-of-band
- # memberships' for the user).
- if ev.type != EventTypes.Member:
- return ctx
-
- # We might be able to pull out the display name for the sender straight
- # from the membership event
- event_display_name = ev.content.get("displayname")
- if event_display_name and ev.state_key == ev.sender:
- ctx["sender_display_name"] = event_display_name
-
- room_state = []
- if ev.content.get("membership") == Membership.INVITE:
- room_state = ev.unsigned.get("invite_room_state", [])
- elif ev.content.get("membership") == Membership.KNOCK:
- room_state = ev.unsigned.get("knock_room_state", [])
-
- # Ideally we'd reuse the logic in `calculate_room_name`, but that gets
- # complicated to handle partial events vs pulling events from the DB.
- for state_dict in room_state:
- type_tuple = (state_dict["type"], state_dict.get("state_key"))
- if type_tuple == (EventTypes.Member, ev.sender):
- display_name = state_dict["content"].get("displayname")
- if display_name:
- ctx["sender_display_name"] = display_name
- elif type_tuple == (EventTypes.Name, ""):
- room_name = state_dict["content"].get("name")
- if room_name:
- ctx["name"] = room_name
-
- return ctx
-
- room_state_ids = await storage.state.get_state_ids_for_event(ev.event_id)
-
- # we no longer bother setting room_alias, and make room_name the
- # human-readable name instead, be that m.room.name, an alias or
- # a list of people in the room
- name = await calculate_room_name(
- storage.main, room_state_ids, user_id, fallback_to_single_member=False
- )
- if name:
- ctx["name"] = name
-
- sender_state_event_id = room_state_ids[("m.room.member", ev.sender)]
- sender_state_event = await storage.main.get_event(sender_state_event_id)
- ctx["sender_display_name"] = name_from_member_event(sender_state_event)
-
- return ctx
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