diff --git a/changelog.d/13503.feature b/changelog.d/13503.feature new file mode 100644 index 000000000..4baabd1e3 --- /dev/null +++ b/changelog.d/13503.feature @@ -0,0 +1 @@ +Add forgotten status to Room Details API. \ No newline at end of file diff --git a/docs/admin_api/rooms.md b/docs/admin_api/rooms.md index 9aa489e4a..ac7c54c20 100644 --- a/docs/admin_api/rooms.md +++ b/docs/admin_api/rooms.md @@ -302,6 +302,8 @@ The following fields are possible in the JSON response body: * `state_events` - Total number of state_events of a room. Complexity of the room. * `room_type` - The type of the room taken from the room's creation event; for example "m.space" if the room is a space. If the room does not define a type, the value will be `null`. +* `forgotten` - Whether all local users have + [forgotten](https://spec.matrix.org/latest/client-server-api/#leaving-rooms) the room. The API is: @@ -330,7 +332,8 @@ A response body like the following is returned: "guest_access": null, "history_visibility": "shared", "state_events": 93534, - "room_type": "m.space" + "room_type": "m.space", + "forgotten": false } ``` diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py index 9d953d58d..68054ffc2 100644 --- a/synapse/rest/admin/rooms.py +++ b/synapse/rest/admin/rooms.py @@ -303,6 +303,7 @@ class RoomRestServlet(RestServlet): members = await self.store.get_users_in_room(room_id) ret["joined_local_devices"] = await self.store.count_devices_by_users(members) + ret["forgotten"] = await self.store.is_locally_forgotten_room(room_id) return HTTPStatus.OK, ret diff --git a/synapse/storage/databases/main/roommember.py b/synapse/storage/databases/main/roommember.py index 5e5f607a1..827c1f1ef 100644 --- a/synapse/storage/databases/main/roommember.py +++ b/synapse/storage/databases/main/roommember.py @@ -1215,6 +1215,30 @@ class RoomMemberWorkerStore(EventsWorkerStore): "get_forgotten_rooms_for_user", _get_forgotten_rooms_for_user_txn ) + async def is_locally_forgotten_room(self, room_id: str) -> bool: + """Returns whether all local users have forgotten this room_id. + + Args: + room_id: The room ID to query. + + Returns: + Whether the room is forgotten. + """ + + sql = """ + SELECT count(*) > 0 FROM local_current_membership + INNER JOIN room_memberships USING (room_id, event_id) + WHERE + room_id = ? + AND forgotten = 0; + """ + + rows = await self.db_pool.execute("is_forgotten_room", None, sql, room_id) + + # `count(*)` returns always an integer + # If any rows still exist it means someone has not forgotten this room yet + return not rows[0][0] + async def get_rooms_user_has_been_in(self, user_id: str) -> Set[str]: """Get all rooms that the user has ever been in. diff --git a/tests/rest/admin/test_room.py b/tests/rest/admin/test_room.py index dd5000679..fd6da557c 100644 --- a/tests/rest/admin/test_room.py +++ b/tests/rest/admin/test_room.py @@ -1633,6 +1633,7 @@ class RoomTestCase(unittest.HomeserverTestCase): self.assertIn("history_visibility", channel.json_body) self.assertIn("state_events", channel.json_body) self.assertIn("room_type", channel.json_body) + self.assertIn("forgotten", channel.json_body) self.assertEqual(room_id_1, channel.json_body["room_id"]) def test_single_room_devices(self) -> None: diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py index 240b02cb9..ceec69028 100644 --- a/tests/storage/test_roommember.py +++ b/tests/storage/test_roommember.py @@ -23,6 +23,7 @@ from synapse.util import Clock from tests import unittest from tests.server import TestHomeServer +from tests.test_utils import event_injection class RoomMemberStoreTestCase(unittest.HomeserverTestCase): @@ -157,6 +158,75 @@ class RoomMemberStoreTestCase(unittest.HomeserverTestCase): # Check that alice's display name is now None self.assertEqual(row[0]["display_name"], None) + def test_room_is_locally_forgotten(self): + """Test that when the last local user has forgotten a room it is known as forgotten.""" + # join two local and one remote user + self.room = self.helper.create_room_as(self.u_alice, tok=self.t_alice) + self.get_success( + event_injection.inject_member_event(self.hs, self.room, self.u_bob, "join") + ) + self.get_success( + event_injection.inject_member_event( + self.hs, self.room, self.u_charlie.to_string(), "join" + ) + ) + self.assertFalse( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + # local users leave the room and the room is not forgotten + self.get_success( + event_injection.inject_member_event( + self.hs, self.room, self.u_alice, "leave" + ) + ) + self.get_success( + event_injection.inject_member_event(self.hs, self.room, self.u_bob, "leave") + ) + self.assertFalse( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + # first user forgets the room, room is not forgotten + self.get_success(self.store.forget(self.u_alice, self.room)) + self.assertFalse( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + # second (last local) user forgets the room and the room is forgotten + self.get_success(self.store.forget(self.u_bob, self.room)) + self.assertTrue( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + def test_join_locally_forgotten_room(self): + """Tests if a user joins a forgotten room the room is not forgotten anymore.""" + self.room = self.helper.create_room_as(self.u_alice, tok=self.t_alice) + self.assertFalse( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + # after leaving and forget the room, it is forgotten + self.get_success( + event_injection.inject_member_event( + self.hs, self.room, self.u_alice, "leave" + ) + ) + self.get_success(self.store.forget(self.u_alice, self.room)) + self.assertTrue( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + + # after rejoin the room is not forgotten anymore + self.get_success( + event_injection.inject_member_event( + self.hs, self.room, self.u_alice, "join" + ) + ) + self.assertFalse( + self.get_success(self.store.is_locally_forgotten_room(self.room)) + ) + class CurrentStateMembershipUpdateTestCase(unittest.HomeserverTestCase): def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: