Add config option to forget rooms automatically when users leave them (#15224)

This is largely based off the stats and user directory updater code.

Signed-off-by: Sean Quah <seanq@matrix.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/synapse/server.py b/synapse/server.py
index 75a902d64d..a0036578b1 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -94,7 +94,11 @@ from synapse.handlers.room import (
 )
 from synapse.handlers.room_batch import RoomBatchHandler
 from synapse.handlers.room_list import RoomListHandler
-from synapse.handlers.room_member import RoomMemberHandler, RoomMemberMasterHandler
+from synapse.handlers.room_member import (
+    RoomForgetterHandler,
+    RoomMemberHandler,
+    RoomMemberMasterHandler,
+)
 from synapse.handlers.room_member_worker import RoomMemberWorkerHandler
 from synapse.handlers.room_summary import RoomSummaryHandler
 from synapse.handlers.search import SearchHandler
@@ -233,6 +237,7 @@ class HomeServer(metaclass=abc.ABCMeta):
         "message",
         "pagination",
         "profile",
+        "room_forgetter",
         "stats",
     ]
 
@@ -848,6 +853,10 @@ class HomeServer(metaclass=abc.ABCMeta):
         return PushRulesHandler(self)
 
     @cache_in_self
+    def get_room_forgetter_handler(self) -> RoomForgetterHandler:
+        return RoomForgetterHandler(self)
+
+    @cache_in_self
     def get_outbound_redis_connection(self) -> "ConnectionHandler":
         """
         The Redis connection used for replication.