Files
Signal-Server/service/src/main/resources/lua/remove_item_by_guid.lua
2020-09-29 10:58:02 -04:00

33 lines
954 B
Lua

-- keys: queue_key, queue_metadata_key, queue_index
-- argv: guid_to_remove
local removedMessages = {}
for _, guid in ipairs(ARGV) do
local messageId = redis.call("HGET", KEYS[2], guid)
if messageId then
local envelope = redis.call("ZRANGEBYSCORE", KEYS[1], messageId, messageId, "LIMIT", 0, 1)
local sender = redis.call("HGET", KEYS[2], messageId)
redis.call("ZREMRANGEBYSCORE", KEYS[1], messageId, messageId)
redis.call("HDEL", KEYS[2], guid)
redis.call("HDEL", KEYS[2], messageId .. "guid")
if sender then
redis.call("HDEL", KEYS[2], sender)
redis.call("HDEL", KEYS[2], messageId)
end
if (redis.call("ZCARD", KEYS[1]) == 0) then
redis.call("ZREM", KEYS[3], KEYS[1])
end
if envelope and next(envelope) then
removedMessages[#removedMessages + 1] = envelope[1]
end
end
end
return removedMessages