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b11f7b5122
The crux of the change is to try and make the queries simpler and pull out fewer rows. Before, there were quite a few joins against subqueries, which caused postgres to pull out more rows than necessary. Instead, let's simplify the query and do some of the filtering out in Python instead, letting Postgres do better optimizations now that it doesn't have to deal with joins against subqueries. Review note: this is a complete rewrite of the function, so not sure how useful the diff is. --------- Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
105 lines
4 KiB
Python
105 lines
4 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import Dict
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from synapse.api.constants import EventTypes, Membership
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from synapse.events import EventBase
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from synapse.push.presentable_names import calculate_room_name, name_from_member_event
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from synapse.storage.controllers import StorageControllers
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from synapse.storage.databases.main import DataStore
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async def get_badge_count(store: DataStore, user_id: str, group_by_room: bool) -> int:
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invites = await store.get_invited_rooms_for_local_user(user_id)
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badge = len(invites)
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room_to_count = await store.get_unread_counts_by_room_for_user(user_id)
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for _room_id, notify_count in room_to_count.items():
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if notify_count == 0:
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continue
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if group_by_room:
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# return one badge count per conversation
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badge += 1
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else:
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# Increase badge by number of notifications in room
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# NOTE: this includes threaded and unthreaded notifications.
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badge += notify_count
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return badge
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async def get_context_for_event(
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storage: StorageControllers, ev: EventBase, user_id: str
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) -> Dict[str, str]:
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ctx: Dict[str, str] = {}
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if ev.internal_metadata.outlier:
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# We don't have state for outliers, so we can't compute the context
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# except for invites and knocks. (Such events are known as 'out-of-band
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# memberships' for the user).
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if ev.type != EventTypes.Member:
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return ctx
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# We might be able to pull out the display name for the sender straight
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# from the membership event
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event_display_name = ev.content.get("displayname")
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if event_display_name and ev.state_key == ev.sender:
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ctx["sender_display_name"] = event_display_name
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room_state = []
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if ev.content.get("membership") == Membership.INVITE:
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room_state = ev.unsigned.get("invite_room_state", [])
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elif ev.content.get("membership") == Membership.KNOCK:
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room_state = ev.unsigned.get("knock_room_state", [])
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# Ideally we'd reuse the logic in `calculate_room_name`, but that gets
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# complicated to handle partial events vs pulling events from the DB.
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for state_dict in room_state:
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type_tuple = (state_dict["type"], state_dict.get("state_key"))
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if type_tuple == (EventTypes.Member, ev.sender):
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display_name = state_dict["content"].get("displayname")
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if display_name:
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ctx["sender_display_name"] = display_name
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elif type_tuple == (EventTypes.Name, ""):
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room_name = state_dict["content"].get("name")
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if room_name:
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ctx["name"] = room_name
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return ctx
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room_state_ids = await storage.state.get_state_ids_for_event(ev.event_id)
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# we no longer bother setting room_alias, and make room_name the
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# human-readable name instead, be that m.room.name, an alias or
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# a list of people in the room
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name = await calculate_room_name(
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storage.main, room_state_ids, user_id, fallback_to_single_member=False
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)
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if name:
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ctx["name"] = name
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sender_state_event_id = room_state_ids[("m.room.member", ev.sender)]
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sender_state_event = await storage.main.get_event(sender_state_event_id)
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ctx["sender_display_name"] = name_from_member_event(sender_state_event)
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return ctx
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