diff --git a/changelog.d/7736.feature b/changelog.d/7736.feature
deleted file mode 100644
index feb02be234..0000000000
--- a/changelog.d/7736.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add unread messages count to sync responses, as specified in [MSC2654](https://github.com/matrix-org/matrix-doc/pull/2654).
diff --git a/changelog.d/8039.misc b/changelog.d/8039.misc
new file mode 100644
index 0000000000..599933c80e
--- /dev/null
+++ b/changelog.d/8039.misc
@@ -0,0 +1 @@
+Revert MSC2654 implementation because of perf issues. Please delete this line when processing the 1.19 changelog.
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index ae5e1810fc..a34bdf1830 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -67,7 +67,7 @@ logger = logging.getLogger("synapse_port_db")
BOOLEAN_COLUMNS = {
- "events": ["processed", "outlier", "contains_url", "count_as_unread"],
+ "events": ["processed", "outlier", "contains_url"],
"rooms": ["is_public"],
"event_edges": ["is_state"],
"presence_list": ["accepted"],
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 5a19bac929..c42dac18f5 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -103,7 +103,6 @@ class JoinedSyncResult:
account_data = attr.ib(type=List[JsonDict])
unread_notifications = attr.ib(type=JsonDict)
summary = attr.ib(type=Optional[JsonDict])
- unread_count = attr.ib(type=int)
def __nonzero__(self) -> bool:
"""Make the result appear empty if there are no updates. This is used
@@ -1887,10 +1886,6 @@ class SyncHandler(object):
if room_builder.rtype == "joined":
unread_notifications = {} # type: Dict[str, str]
-
- unread_count = await self.store.get_unread_message_count_for_user(
- room_id, sync_config.user.to_string(),
- )
room_sync = JoinedSyncResult(
room_id=room_id,
timeline=batch,
@@ -1899,7 +1894,6 @@ class SyncHandler(object):
account_data=account_data_events,
unread_notifications=unread_notifications,
summary=summary,
- unread_count=unread_count,
)
if room_sync or always_include:
diff --git a/synapse/push/push_tools.py b/synapse/push/push_tools.py
index bc8f71916b..d0145666bf 100644
--- a/synapse/push/push_tools.py
+++ b/synapse/push/push_tools.py
@@ -21,13 +21,22 @@ async def get_badge_count(store, user_id):
invites = await store.get_invited_rooms_for_local_user(user_id)
joins = await store.get_rooms_for_user(user_id)
+ my_receipts_by_room = await store.get_receipts_for_user(user_id, "m.read")
+
badge = len(invites)
for room_id in joins:
- unread_count = await store.get_unread_message_count_for_user(room_id, user_id)
- # return one badge count per conversation, as count per
- # message is so noisy as to be almost useless
- badge += 1 if unread_count else 0
+ if room_id in my_receipts_by_room:
+ last_unread_event_id = my_receipts_by_room[room_id]
+
+ notifs = await (
+ store.get_unread_event_push_actions_by_room_for_user(
+ room_id, user_id, last_unread_event_id
+ )
+ )
+ # return one badge count per conversation, as count per
+ # message is so noisy as to be almost useless
+ badge += 1 if notifs["notify_count"] else 0
return badge
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 3f5bf75e59..a5c24fbd63 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -426,7 +426,6 @@ class SyncRestServlet(RestServlet):
result["ephemeral"] = {"events": ephemeral_events}
result["unread_notifications"] = room.unread_notifications
result["summary"] = room.summary
- result["org.matrix.msc2654.unread_count"] = room.unread_count
return result
diff --git a/synapse/storage/databases/main/cache.py b/synapse/storage/databases/main/cache.py
index 683afde52b..10de446065 100644
--- a/synapse/storage/databases/main/cache.py
+++ b/synapse/storage/databases/main/cache.py
@@ -172,7 +172,6 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
self.get_latest_event_ids_in_room.invalidate((room_id,))
- self.get_unread_message_count_for_user.invalidate_many((room_id,))
self.get_unread_event_push_actions_by_room_for_user.invalidate_many((room_id,))
if not backfilled:
diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py
index 4d8a24ce4b..1a68bf32cb 100644
--- a/synapse/storage/databases/main/events.py
+++ b/synapse/storage/databases/main/events.py
@@ -53,47 +53,6 @@ event_counter = Counter(
["type", "origin_type", "origin_entity"],
)
-STATE_EVENT_TYPES_TO_MARK_UNREAD = {
- EventTypes.Topic,
- EventTypes.Name,
- EventTypes.RoomAvatar,
- EventTypes.Tombstone,
-}
-
-
-def should_count_as_unread(event: EventBase, context: EventContext) -> bool:
- # Exclude rejected and soft-failed events.
- if context.rejected or event.internal_metadata.is_soft_failed():
- return False
-
- # Exclude notices.
- if (
- not event.is_state()
- and event.type == EventTypes.Message
- and event.content.get("msgtype") == "m.notice"
- ):
- return False
-
- # Exclude edits.
- relates_to = event.content.get("m.relates_to", {})
- if relates_to.get("rel_type") == RelationTypes.REPLACE:
- return False
-
- # Mark events that have a non-empty string body as unread.
- body = event.content.get("body")
- if isinstance(body, str) and body:
- return True
-
- # Mark some state events as unread.
- if event.is_state() and event.type in STATE_EVENT_TYPES_TO_MARK_UNREAD:
- return True
-
- # Mark encrypted events as unread.
- if not event.is_state() and event.type == EventTypes.Encrypted:
- return True
-
- return False
-
def encode_json(json_object):
"""
@@ -239,10 +198,6 @@ class PersistEventsStore:
event_counter.labels(event.type, origin_type, origin_entity).inc()
- self.store.get_unread_message_count_for_user.invalidate_many(
- (event.room_id,),
- )
-
for room_id, new_state in current_state_for_room.items():
self.store.get_current_state_ids.prefill((room_id,), new_state)
@@ -864,9 +819,8 @@ class PersistEventsStore:
"contains_url": (
"url" in event.content and isinstance(event.content["url"], str)
),
- "count_as_unread": should_count_as_unread(event, context),
}
- for event, context in events_and_contexts
+ for event, _ in events_and_contexts
],
)
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index a7b7393f6e..755b7a2a85 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -41,15 +41,9 @@ from synapse.replication.tcp.streams import BackfillStream
from synapse.replication.tcp.streams.events import EventsStream
from synapse.storage._base import SQLBaseStore, db_to_json, make_in_list_sql_clause
from synapse.storage.database import DatabasePool
-from synapse.storage.types import Cursor
from synapse.storage.util.id_generators import StreamIdGenerator
from synapse.types import get_domain_from_id
-from synapse.util.caches.descriptors import (
- Cache,
- _CacheContext,
- cached,
- cachedInlineCallbacks,
-)
+from synapse.util.caches.descriptors import Cache, cached, cachedInlineCallbacks
from synapse.util.iterutils import batch_iter
from synapse.util.metrics import Measure
@@ -1364,84 +1358,6 @@ class EventsWorkerStore(SQLBaseStore):
desc="get_next_event_to_expire", func=get_next_event_to_expire_txn
)
- @cached(tree=True, cache_context=True)
- async def get_unread_message_count_for_user(
- self, room_id: str, user_id: str, cache_context: _CacheContext,
- ) -> int:
- """Retrieve the count of unread messages for the given room and user.
-
- Args:
- room_id: The ID of the room to count unread messages in.
- user_id: The ID of the user to count unread messages for.
-
- Returns:
- The number of unread messages for the given user in the given room.
- """
- with Measure(self._clock, "get_unread_message_count_for_user"):
- last_read_event_id = await self.get_last_receipt_event_id_for_user(
- user_id=user_id,
- room_id=room_id,
- receipt_type="m.read",
- on_invalidate=cache_context.invalidate,
- )
-
- return await self.db_pool.runInteraction(
- "get_unread_message_count_for_user",
- self._get_unread_message_count_for_user_txn,
- user_id,
- room_id,
- last_read_event_id,
- )
-
- def _get_unread_message_count_for_user_txn(
- self,
- txn: Cursor,
- user_id: str,
- room_id: str,
- last_read_event_id: Optional[str],
- ) -> int:
- if last_read_event_id:
- # Get the stream ordering for the last read event.
- stream_ordering = self.db_pool.simple_select_one_onecol_txn(
- txn=txn,
- table="events",
- keyvalues={"room_id": room_id, "event_id": last_read_event_id},
- retcol="stream_ordering",
- )
- else:
- # If there's no read receipt for that room, it probably means the user hasn't
- # opened it yet, in which case use the stream ID of their join event.
- # We can't just set it to 0 otherwise messages from other local users from
- # before this user joined will be counted as well.
- txn.execute(
- """
- SELECT stream_ordering FROM local_current_membership
- LEFT JOIN events USING (event_id, room_id)
- WHERE membership = 'join'
- AND user_id = ?
- AND room_id = ?
- """,
- (user_id, room_id),
- )
- row = txn.fetchone()
-
- if row is None:
- return 0
-
- stream_ordering = row[0]
-
- # Count the messages that qualify as unread after the stream ordering we've just
- # retrieved.
- sql = """
- SELECT COUNT(*) FROM events
- WHERE sender != ? AND room_id = ? AND stream_ordering > ? AND count_as_unread
- """
-
- txn.execute(sql, (user_id, room_id, stream_ordering))
- row = txn.fetchone()
-
- return row[0] if row else 0
-
AllNewEventsResult = namedtuple(
"AllNewEventsResult",
diff --git a/synapse/storage/databases/main/schema/delta/58/12unread_messages.sql b/synapse/storage/databases/main/schema/delta/58/12unread_messages.sql
deleted file mode 100644
index 531b532c73..0000000000
--- a/synapse/storage/databases/main/schema/delta/58/12unread_messages.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Copyright 2020 The Matrix.org Foundation C.I.C
- *
- * 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.
- */
-
--- Store a boolean value in the events table for whether the event should be counted in
--- the unread_count property of sync responses.
-ALTER TABLE events ADD COLUMN count_as_unread BOOLEAN;
diff --git a/tests/rest/client/v1/utils.py b/tests/rest/client/v1/utils.py
index 51941f99f9..8933b560d2 100644
--- a/tests/rest/client/v1/utils.py
+++ b/tests/rest/client/v1/utils.py
@@ -165,26 +165,6 @@ class RestHelper(object):
return channel.json_body
- def redact(self, room_id, event_id, txn_id=None, tok=None, expect_code=200):
- if txn_id is None:
- txn_id = "m%s" % (str(time.time()))
-
- path = "/_matrix/client/r0/rooms/%s/redact/%s/%s" % (room_id, event_id, txn_id)
- if tok:
- path = path + "?access_token=%s" % tok
-
- request, channel = make_request(
- self.hs.get_reactor(), "PUT", path, json.dumps({}).encode("utf8")
- )
- render(request, self.resource, self.hs.get_reactor())
-
- assert int(channel.result["code"]) == expect_code, (
- "Expected: %d, got: %d, resp: %r"
- % (expect_code, int(channel.result["code"]), channel.result["body"])
- )
-
- return channel.json_body
-
def _read_write_state(
self,
room_id: str,
diff --git a/tests/rest/client/v2_alpha/test_sync.py b/tests/rest/client/v2_alpha/test_sync.py
index a31e44c97e..fa3a3ec1bd 100644
--- a/tests/rest/client/v2_alpha/test_sync.py
+++ b/tests/rest/client/v2_alpha/test_sync.py
@@ -16,9 +16,9 @@
import json
import synapse.rest.admin
-from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
+from synapse.api.constants import EventContentFields, EventTypes
from synapse.rest.client.v1 import login, room
-from synapse.rest.client.v2_alpha import read_marker, sync
+from synapse.rest.client.v2_alpha import sync
from tests import unittest
from tests.server import TimedOutException
@@ -324,156 +324,3 @@ class SyncTypingTests(unittest.HomeserverTestCase):
"GET", sync_url % (access_token, next_batch)
)
self.assertRaises(TimedOutException, self.render, request)
-
-
-class UnreadMessagesTestCase(unittest.HomeserverTestCase):
- servlets = [
- synapse.rest.admin.register_servlets,
- login.register_servlets,
- read_marker.register_servlets,
- room.register_servlets,
- sync.register_servlets,
- ]
-
- def prepare(self, reactor, clock, hs):
- self.url = "/sync?since=%s"
- self.next_batch = "s0"
-
- # Register the first user (used to check the unread counts).
- self.user_id = self.register_user("kermit", "monkey")
- self.tok = self.login("kermit", "monkey")
-
- # Create the room we'll check unread counts for.
- self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
-
- # Register the second user (used to send events to the room).
- self.user2 = self.register_user("kermit2", "monkey")
- self.tok2 = self.login("kermit2", "monkey")
-
- # Change the power levels of the room so that the second user can send state
- # events.
- self.helper.send_state(
- self.room_id,
- EventTypes.PowerLevels,
- {
- "users": {self.user_id: 100, self.user2: 100},
- "users_default": 0,
- "events": {
- "m.room.name": 50,
- "m.room.power_levels": 100,
- "m.room.history_visibility": 100,
- "m.room.canonical_alias": 50,
- "m.room.avatar": 50,
- "m.room.tombstone": 100,
- "m.room.server_acl": 100,
- "m.room.encryption": 100,
- },
- "events_default": 0,
- "state_default": 50,
- "ban": 50,
- "kick": 50,
- "redact": 50,
- "invite": 0,
- },
- tok=self.tok,
- )
-
- def test_unread_counts(self):
- """Tests that /sync returns the right value for the unread count (MSC2654)."""
-
- # Check that our own messages don't increase the unread count.
- self.helper.send(self.room_id, "hello", tok=self.tok)
- self._check_unread_count(0)
-
- # Join the new user and check that this doesn't increase the unread count.
- self.helper.join(room=self.room_id, user=self.user2, tok=self.tok2)
- self._check_unread_count(0)
-
- # Check that the new user sending a message increases our unread count.
- res = self.helper.send(self.room_id, "hello", tok=self.tok2)
- self._check_unread_count(1)
-
- # Send a read receipt to tell the server we've read the latest event.
- body = json.dumps({"m.read": res["event_id"]}).encode("utf8")
- request, channel = self.make_request(
- "POST",
- "/rooms/%s/read_markers" % self.room_id,
- body,
- access_token=self.tok,
- )
- self.render(request)
- self.assertEqual(channel.code, 200, channel.json_body)
-
- # Check that the unread counter is back to 0.
- self._check_unread_count(0)
-
- # Check that room name changes increase the unread counter.
- self.helper.send_state(
- self.room_id, "m.room.name", {"name": "my super room"}, tok=self.tok2,
- )
- self._check_unread_count(1)
-
- # Check that room topic changes increase the unread counter.
- self.helper.send_state(
- self.room_id, "m.room.topic", {"topic": "welcome!!!"}, tok=self.tok2,
- )
- self._check_unread_count(2)
-
- # Check that encrypted messages increase the unread counter.
- self.helper.send_event(self.room_id, EventTypes.Encrypted, {}, tok=self.tok2)
- self._check_unread_count(3)
-
- # Check that custom events with a body increase the unread counter.
- self.helper.send_event(
- self.room_id, "org.matrix.custom_type", {"body": "hello"}, tok=self.tok2,
- )
- self._check_unread_count(4)
-
- # Check that edits don't increase the unread counter.
- self.helper.send_event(
- room_id=self.room_id,
- type=EventTypes.Message,
- content={
- "body": "hello",
- "msgtype": "m.text",
- "m.relates_to": {"rel_type": RelationTypes.REPLACE},
- },
- tok=self.tok2,
- )
- self._check_unread_count(4)
-
- # Check that notices don't increase the unread counter.
- self.helper.send_event(
- room_id=self.room_id,
- type=EventTypes.Message,
- content={"body": "hello", "msgtype": "m.notice"},
- tok=self.tok2,
- )
- self._check_unread_count(4)
-
- # Check that tombstone events changes increase the unread counter.
- self.helper.send_state(
- self.room_id,
- EventTypes.Tombstone,
- {"replacement_room": "!someroom:test"},
- tok=self.tok2,
- )
- self._check_unread_count(5)
-
- def _check_unread_count(self, expected_count: True):
- """Syncs and compares the unread count with the expected value."""
-
- request, channel = self.make_request(
- "GET", self.url % self.next_batch, access_token=self.tok,
- )
- self.render(request)
-
- self.assertEqual(channel.code, 200, channel.json_body)
-
- room_entry = channel.json_body["rooms"]["join"][self.room_id]
- self.assertEqual(
- room_entry["org.matrix.msc2654.unread_count"], expected_count, room_entry,
- )
-
- # Store the next batch for the next request.
- self.next_batch = channel.json_body["next_batch"]
|