diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py
index 6067585f9b..a0b3bdb5e0 100644
--- a/synapse/handlers/pagination.py
+++ b/synapse/handlers/pagination.py
@@ -335,20 +335,16 @@ class PaginationHandler:
user_id = requester.user.to_string()
if pagin_config.from_token:
- room_token = pagin_config.from_token.room_key
+ from_token = pagin_config.from_token
else:
- pagin_config.from_token = (
- self.hs.get_event_sources().get_current_token_for_pagination()
- )
- room_token = pagin_config.from_token.room_key
-
- room_token = RoomStreamToken.parse(room_token)
+ from_token = self.hs.get_event_sources().get_current_token_for_pagination()
- pagin_config.from_token = pagin_config.from_token.copy_and_replace(
- "room_key", str(room_token)
- )
+ if pagin_config.limit is None:
+ # This shouldn't happen as we've set a default limit before this
+ # gets called.
+ raise Exception("limit not set")
- source_config = pagin_config.get_source_config("room")
+ room_token = from_token.room_key
with await self.pagination_lock.read(room_id):
(
@@ -358,7 +354,7 @@ class PaginationHandler:
room_id, user_id, allow_departed_users=True
)
- if source_config.direction == "b":
+ if pagin_config.direction == "b":
# if we're going backwards, we might need to backfill. This
# requires that we have a topo token.
if room_token.topological:
@@ -377,26 +373,35 @@ class PaginationHandler:
# case "JOIN" would have been returned.
assert member_event_id
- leave_token = await self.store.get_topological_token_for_event(
+ leave_token_str = await self.store.get_topological_token_for_event(
member_event_id
)
- if RoomStreamToken.parse(leave_token).topological < curr_topo:
- source_config.from_key = str(leave_token)
+ leave_token = RoomStreamToken.parse(leave_token_str)
+ assert leave_token.topological is not None
+
+ if leave_token.topological < curr_topo:
+ from_token = from_token.copy_and_replace(
+ "room_key", leave_token
+ )
await self.hs.get_handlers().federation_handler.maybe_backfill(
- room_id, curr_topo, limit=source_config.limit,
+ room_id, curr_topo, limit=pagin_config.limit,
)
+ to_room_key = None
+ if pagin_config.to_token:
+ to_room_key = pagin_config.to_token.room_key
+
events, next_key = await self.store.paginate_room_events(
room_id=room_id,
- from_key=source_config.from_key,
- to_key=source_config.to_key,
- direction=source_config.direction,
- limit=source_config.limit,
+ from_key=from_token.room_key,
+ to_key=to_room_key,
+ direction=pagin_config.direction,
+ limit=pagin_config.limit,
event_filter=event_filter,
)
- next_token = pagin_config.from_token.copy_and_replace("room_key", next_key)
+ next_token = from_token.copy_and_replace("room_key", next_key)
if events:
if event_filter:
@@ -409,7 +414,7 @@ class PaginationHandler:
if not events:
return {
"chunk": [],
- "start": pagin_config.from_token.to_string(),
+ "start": from_token.to_string(),
"end": next_token.to_string(),
}
@@ -438,7 +443,7 @@ class PaginationHandler:
events, time_now, as_client_event=as_client_event
)
),
- "start": pagin_config.from_token.to_string(),
+ "start": from_token.to_string(),
"end": next_token.to_string(),
}
|