119 local function update_room_activity(room_jid, last_id)

   119 local function update_room_activity(room_jid, last_id)

   120 	room_activity_cache:set(room_jid, last_id);

   120 	room_activity_cache:set(room_jid, last_id);

   121 end

   121 end

   122 

   122 

   123 local function get_last_user_read_id(user_jid, room_jid)

   123 local function get_last_user_read_id(user_jid, room_jid)

   125 end

   125 end

   126 

   126 

   127 local function has_new_activity(room_jid, user_jid)

   127 local function has_new_activity(room_jid, user_jid)

   128 	local last_room_message_id = get_last_room_message_id(room_jid);

   128 	local last_room_message_id = get_last_room_message_id(room_jid);

   129 	local last_user_read_id = get_last_user_read_id(user_jid, room_jid);

   129 	local last_user_read_id = get_last_user_read_id(user_jid, room_jid);