modules/presence/redis-lua/presence-eyeballs-off.lua

   1 local key_socket = KEYS[1];
   2 local key_troupe_users = KEYS[2];
   3 local key_user_lock = KEYS[3];
   4
   5 local user_id = ARGV[1];
   6
   7 if redis.call("HDEL", key_socket, "eb") == 0 then
   8         return { 0 }
   9 end
  10
  11 redis.call("INCR", key_user_lock);
  12 redis.call("EXPIRE", key_user_lock, 10);
  13
  14
  15 local user_in_troupe_count = redis.call("ZINCRBY", key_troupe_users, -1, user_id)
  16 redis.call("ZREMRANGEBYSCORE", key_troupe_users, '-inf', '0')
  17
  18 local total_in_troupe_count = redis.call("ZCARD", key_troupe_users)
  19
  20 return { 1, user_in_troupe_count, total_in_troupe_count }