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https://github.com/element-hq/synapse
synced 2024-07-08 19:54:07 +00:00
Implement updating users who share rooms on the fly
This commit is contained in:
Erik Johnston
parent
72613bc379
commit
4564b05483
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@ -390,12 +390,77 @@ class UserDirectoyHandler(object):
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room_id
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)
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if not is_public:
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return
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if is_public:
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row = yield self.store.get_user_in_public_room(user_id)
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if not row:
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yield self.store.add_users_to_public_room(room_id, [user_id])
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row = yield self.store.get_user_in_public_room(user_id)
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if not row:
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yield self.store.add_users_to_public_room(room_id, [user_id])
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# Now we update users who share rooms with users. We do this by getting
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# all the current users in the room and seeing which aren't already
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# marked in the database as sharing with `user_id`
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users_with_profile = yield self.state.get_current_user_in_room(room_id)
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to_insert = set()
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to_update = set()
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# First, if they're our user then we need to update for every user
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if self.is_mine_id(user_id):
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# Returns a map of other_user_id -> shared_private. We only need
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# to update mappings if for users that either don't share a room
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# already (aren't in the map) or, if the room is private, those that
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# only share a public room.
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user_ids_shared = yield self.store.get_users_who_share_room_from_dir(
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user_id
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)
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for other_user_id in users_with_profile:
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if user_id == other_user_id:
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continue
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shared_is_private = user_ids_shared.get(other_user_id)
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if shared_is_private is True:
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# We've already marked in the database they share a private room
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continue
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elif shared_is_private is False:
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# They already share a public room, so only update if this is
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# a private room
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if not is_public:
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to_update.add((user_id, other_user_id))
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elif shared_is_private is None:
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# This is the first time they both share a room
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to_insert.add((user_id, other_user_id))
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# Next we need to update for every local user in the room
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for other_user_id in users_with_profile:
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if user_id == other_user_id:
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continue
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if self.is_mine_id(other_user_id):
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shared_is_private = yield self.store.get_if_users_share_a_room(
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other_user_id, user_id,
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)
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if shared_is_private is True:
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# We've already marked in the database they share a private room
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continue
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elif shared_is_private is False:
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# They already share a public room, so only update if this is
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# a private room
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if not is_public:
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to_update.add((other_user_id, user_id))
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elif shared_is_private is None:
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# This is the first time they both share a room
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to_insert.add((other_user_id, user_id))
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if to_insert:
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yield self.store.add_users_who_share_room(
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room_id, not is_public, to_insert,
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)
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if to_update:
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yield self.store.update_users_who_share_room(
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room_id, not is_public, to_update,
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)
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@defer.inlineCallbacks
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def _handle_remove_user(self, room_id, user_id):
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@ -413,32 +478,29 @@ class UserDirectoyHandler(object):
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row = yield self.store.get_user_in_public_room(user_id)
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update_user_in_public = row and row["room_id"] == room_id
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if not update_user_in_public and not update_user_dir:
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return
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if (update_user_in_public or update_user_dir):
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# XXX: Make this faster?
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rooms = yield self.store.get_rooms_for_user(user_id)
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for j_room_id in rooms:
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if (not update_user_in_public and not update_user_dir):
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break
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# XXX: Make this faster?
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rooms = yield self.store.get_rooms_for_user(user_id)
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for j_room_id in rooms:
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if not update_user_in_public and not update_user_dir:
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break
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is_in_room = yield self.store.is_host_joined(
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j_room_id, self.server_name,
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)
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is_in_room = yield self.store.is_host_joined(
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j_room_id, self.server_name,
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)
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if not is_in_room:
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continue
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if not is_in_room:
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continue
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if update_user_dir:
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update_user_dir = False
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yield self.store.update_user_in_user_dir(user_id, j_room_id)
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if update_user_dir:
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update_user_dir = False
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yield self.store.update_user_in_user_dir(user_id, j_room_id)
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if update_user_in_public:
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is_public = yield self.store.is_room_world_readable_or_publicly_joinable(
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j_room_id
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)
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if is_public:
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if update_user_in_public and is_public:
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yield self.store.update_user_in_public_user_list(user_id, j_room_id)
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update_user_in_public = False
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@ -447,6 +509,46 @@ class UserDirectoyHandler(object):
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elif update_user_in_public:
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yield self.store.remove_from_user_in_public_room(user_id)
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# Now handle users_who_share_rooms.
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# Get a list of user tuples that were in the DB due to this room and
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# users (this includes tuples where the other user matches `user_id`)
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user_tuples = yield self.store.get_users_in_share_dir_with_room_id(
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user_id, room_id,
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)
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for user_id, other_user_id in user_tuples:
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# For each user tuple get a list of rooms that they still share,
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# trying to find a private room, and update the entry in the DB
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rooms = yield self.store.get_rooms_in_common_for_users(user_id, other_user_id)
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# If they dont share a room anymore, remove the mapping
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if not rooms:
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yield self.store.remove_user_who_share_room(
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user_id, other_user_id,
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)
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continue
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found_public_share = None
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for j_room_id in rooms:
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is_public = yield self.store.is_room_world_readable_or_publicly_joinable(
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j_room_id
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)
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if is_public:
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found_public_share = j_room_id
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else:
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found_public_share = None
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yield self.store.update_users_who_share_room(
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room_id, not is_public, [(user_id, other_user_id)],
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)
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break
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if found_public_share:
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yield self.store.update_users_who_share_room(
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room_id, not is_public, [(user_id, other_user_id)],
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)
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@defer.inlineCallbacks
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def _handle_profile_change(self, user_id, room_id, prev_event_id, event_id):
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"""Check member event changes for any profile changes and update the
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@ -273,17 +273,38 @@ class UserDirectoryStore(SQLBaseStore):
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desc="get_users_in_public_due_to_room",
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)
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@defer.inlineCallbacks
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def get_users_in_dir_due_to_room(self, room_id):
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"""Get all user_ids that are in the room directory becuase they're
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in the given room_id
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"""
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return self._simple_select_onecol(
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user_ids_dir = yield self._simple_select_onecol(
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table="user_directory",
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keyvalues={"room_id": room_id},
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retcol="user_id",
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desc="get_users_in_dir_due_to_room",
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)
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user_ids_pub = yield self._simple_select_onecol(
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table="users_in_pubic_room",
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keyvalues={"room_id": room_id},
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retcol="user_id",
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desc="get_users_in_dir_due_to_room",
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)
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user_ids_share = yield self._simple_select_onecol(
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table="users_who_share_rooms",
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keyvalues={"room_id": room_id},
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retcol="user_id",
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desc="get_users_in_dir_due_to_room",
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)
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user_ids = set(user_ids_dir)
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user_ids.update(user_ids_pub)
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user_ids.update(user_ids_share)
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defer.returnValue(user_ids)
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@defer.inlineCallbacks
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def get_all_rooms(self):
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"""Get all room_ids we've ever known about, in ascending order of "size"
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@ -398,6 +419,94 @@ class UserDirectoryStore(SQLBaseStore):
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"remove_user_who_share_room", _remove_user_who_share_room_txn
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)
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@cached(max_entries=500000)
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def get_if_users_share_a_room(self, user_id, other_user_id):
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"""Gets if users share a room.
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Args:
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user_id (str): Must be a local user_id
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other_user_id (str)
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Returns:
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bool|None: None if they don't share a room, otherwise whether they
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share a private room or not.
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"""
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return self._simple_select_one_onecol(
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table="users_who_share_rooms",
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keyvalues={
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"user_id": user_id,
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"other_user_id": other_user_id,
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},
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retcol="share_private",
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allow_none=True,
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)
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@cachedInlineCallbacks(max_entries=500000, iterable=True)
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def get_users_who_share_room_from_dir(self, user_id):
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"""Returns the set of users who share a room with `user_id`
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Args:
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user_id(str): Must be a local user
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Returns:
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dict: user_id -> share_private mapping
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"""
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rows = yield self._simple_select_list(
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table="users_who_share_rooms",
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keyvalues={
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"user_id": user_id,
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},
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retcols=("other_user_id", "share_private",),
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desc="get_users_who_share_room_with_user",
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)
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defer.returnValue({
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row["other_user_id"]: row["share_private"]
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for row in rows
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})
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def get_users_in_share_dir_with_room_id(self, user_id, room_id):
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"""Get all user tuples that are in the users_who_share_rooms due to the
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given room_id.
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Returns:
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[(user_id, other_user_id)]: where one of the two will match the given
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user_id.
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"""
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sql = """
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SELECT user_id, other_user_id FROM users_who_share_rooms
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WHERE room_id = ? AND (user_id = ? OR other_user_id = ?)
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"""
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return self._execute(
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"get_users_in_share_dir_with_room_id", None, sql, room_id, user_id, user_id
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)
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@defer.inlineCallbacks
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def get_rooms_in_common_for_users(self, user_id, other_user_id):
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"""Given two user_ids find out the list of rooms they share.
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"""
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sql = """
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SELECT room_id FROM (
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SELECT c.room_id FROM current_state_events AS c
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INNER JOIN room_memberships USING (event_id)
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WHERE type = 'm.room.member'
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AND membership = 'join'
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AND state_key = ?
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) AS f1 INNER JOIN (
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SELECT c.room_id FROM current_state_events AS c
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INNER JOIN room_memberships USING (event_id)
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WHERE type = 'm.room.member'
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AND membership = 'join'
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AND state_key = ?
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) f2 USING (room_id)
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"""
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rows = yield self._execute(
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"get_rooms_in_common_for_users", None, sql, user_id, other_user_id
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)
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defer.returnValue([room_id for room_id, in rows])
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def delete_all_from_user_dir(self):
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"""Delete the entire user directory
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"""
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