diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index c42dac18f5..e2ddb628ff 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -16,7 +16,7 @@
import itertools
import logging
-from typing import Any, Dict, FrozenSet, List, Optional, Set, Tuple
+from typing import TYPE_CHECKING, Any, Dict, FrozenSet, List, Optional, Set, Tuple
import attr
from prometheus_client import Counter
@@ -31,6 +31,7 @@ from synapse.storage.state import StateFilter
from synapse.types import (
Collection,
JsonDict,
+ MutableStateMap,
RoomStreamToken,
StateMap,
StreamToken,
@@ -43,6 +44,9 @@ from synapse.util.caches.response_cache import ResponseCache
from synapse.util.metrics import Measure, measure_func
from synapse.visibility import filter_events_for_client
+if TYPE_CHECKING:
+ from synapse.server import HomeServer
+
logger = logging.getLogger(__name__)
# Debug logger for https://github.com/matrix-org/synapse/issues/4422
@@ -94,7 +98,12 @@ class TimelineBatch:
__bool__ = __nonzero__ # python3
-@attr.s(slots=True, frozen=True)
+# We can't freeze this class, because we need to update it after it's instantiated to
+# update its unread count. This is because we calculate the unread count for a room only
+# if there are updates for it, which we check after the instance has been created.
+# This should not be a big deal because we update the notification counts afterwards as
+# well anyway.
+@attr.s(slots=True)
class JoinedSyncResult:
room_id = attr.ib(type=str)
timeline = attr.ib(type=TimelineBatch)
@@ -103,6 +112,7 @@ 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
@@ -236,8 +246,8 @@ class SyncResult:
__bool__ = __nonzero__ # python3
-class SyncHandler(object):
- def __init__(self, hs):
+class SyncHandler:
+ def __init__(self, hs: "HomeServer"):
self.hs_config = hs.config
self.store = hs.get_datastore()
self.notifier = hs.get_notifier()
@@ -588,7 +598,7 @@ class SyncHandler(object):
room_id: str,
sync_config: SyncConfig,
batch: TimelineBatch,
- state: StateMap[EventBase],
+ state: MutableStateMap[EventBase],
now_token: StreamToken,
) -> Optional[JsonDict]:
""" Works out a room summary block for this room, summarising the number
@@ -710,9 +720,8 @@ class SyncHandler(object):
]
missing_hero_state = await self.store.get_events(missing_hero_event_ids)
- missing_hero_state = missing_hero_state.values()
- for s in missing_hero_state:
+ for s in missing_hero_state.values():
cache.set(s.state_key, s.event_id)
state[(EventTypes.Member, s.state_key)] = s
@@ -736,7 +745,7 @@ class SyncHandler(object):
since_token: Optional[StreamToken],
now_token: StreamToken,
full_state: bool,
- ) -> StateMap[EventBase]:
+ ) -> MutableStateMap[EventBase]:
""" Works out the difference in state between the start of the timeline
and the previous sync.
@@ -930,7 +939,7 @@ class SyncHandler(object):
async def unread_notifs_for_room_id(
self, room_id: str, sync_config: SyncConfig
- ) -> Optional[Dict[str, str]]:
+ ) -> Dict[str, int]:
with Measure(self.clock, "unread_notifs_for_room_id"):
last_unread_event_id = await self.store.get_last_receipt_event_id_for_user(
user_id=sync_config.user.to_string(),
@@ -938,15 +947,10 @@ class SyncHandler(object):
receipt_type="m.read",
)
- if last_unread_event_id:
- notifs = await self.store.get_unread_event_push_actions_by_room_for_user(
- room_id, sync_config.user.to_string(), last_unread_event_id
- )
- return notifs
-
- # There is no new information in this period, so your notification
- # count is whatever it was last time.
- return None
+ notifs = await self.store.get_unread_event_push_actions_by_room_for_user(
+ room_id, sync_config.user.to_string(), last_unread_event_id
+ )
+ return notifs
async def generate_sync_result(
self,
@@ -1769,7 +1773,7 @@ class SyncHandler(object):
ignored_users: Set[str],
room_builder: "RoomSyncResultBuilder",
ephemeral: List[JsonDict],
- tags: Optional[List[JsonDict]],
+ tags: Optional[Dict[str, Dict[str, Any]]],
account_data: Dict[str, JsonDict],
always_include: bool = False,
):
@@ -1885,7 +1889,7 @@ class SyncHandler(object):
)
if room_builder.rtype == "joined":
- unread_notifications = {} # type: Dict[str, str]
+ unread_notifications = {} # type: Dict[str, int]
room_sync = JoinedSyncResult(
room_id=room_id,
timeline=batch,
@@ -1894,14 +1898,16 @@ class SyncHandler(object):
account_data=account_data_events,
unread_notifications=unread_notifications,
summary=summary,
+ unread_count=0,
)
if room_sync or always_include:
notifs = await self.unread_notifs_for_room_id(room_id, sync_config)
- if notifs is not None:
- unread_notifications["notification_count"] = notifs["notify_count"]
- unread_notifications["highlight_count"] = notifs["highlight_count"]
+ unread_notifications["notification_count"] = notifs["notify_count"]
+ unread_notifications["highlight_count"] = notifs["highlight_count"]
+
+ room_sync.unread_count = notifs["unread_count"]
sync_result_builder.joined.append(room_sync)
@@ -2069,7 +2075,7 @@ class SyncResultBuilder:
@attr.s
-class RoomSyncResultBuilder(object):
+class RoomSyncResultBuilder:
"""Stores information needed to create either a `JoinedSyncResult` or
`ArchivedSyncResult`.
|