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backend/node_modules/bullmq/dist/cjs/commands/moveToDelayed-8.lua

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+--[[
+  Moves job from active to delayed set.
+
+  Input:
+    KEYS[1] marker key
+    KEYS[2] active key
+    KEYS[3] prioritized key
+    KEYS[4] delayed key
+    KEYS[5] job key
+    KEYS[6] events stream
+    KEYS[7] meta key
+    KEYS[8] stalled key
+
+    ARGV[1] key prefix
+    ARGV[2] timestamp
+    ARGV[3] the id of the job
+    ARGV[4] queue token
+    ARGV[5] delay value
+    ARGV[6] skip attempt
+    ARGV[7] optional job fields to update
+
+  Output:
+    0 - OK
+   -1 - Missing job.
+   -3 - Job not in active set.
+
+  Events:
+    - delayed key.
+]]
+local rcall = redis.call
+
+-- Includes
+--- @include "includes/addDelayMarkerIfNeeded"
+--- @include "includes/getDelayedScore"
+--- @include "includes/getOrSetMaxEvents"
+--- @include "includes/removeLock"
+--- @include "includes/updateJobFields"
+
+local jobKey = KEYS[5]
+local metaKey = KEYS[7]
+local token = ARGV[4] 
+if rcall("EXISTS", jobKey) == 1 then
+    local errorCode = removeLock(jobKey, KEYS[8], token, ARGV[3])
+    if errorCode < 0 then
+        return errorCode
+    end
+
+    updateJobFields(jobKey, ARGV[7])
+    
+    local delayedKey = KEYS[4]
+    local jobId = ARGV[3]
+    local delay = tonumber(ARGV[5])
+
+    local numRemovedElements = rcall("LREM", KEYS[2], -1, jobId)
+    if numRemovedElements < 1 then return -3 end
+
+    local score, delayedTimestamp = getDelayedScore(delayedKey, ARGV[2], delay)
+
+    if ARGV[6] == "0" then
+        rcall("HINCRBY", jobKey, "atm", 1)
+    end
+
+    rcall("HSET", jobKey, "delay", ARGV[5])
+
+    local maxEvents = getOrSetMaxEvents(metaKey)
+
+    rcall("ZADD", delayedKey, score, jobId)
+    rcall("XADD", KEYS[6], "MAXLEN", "~", maxEvents, "*", "event", "delayed",
+          "jobId", jobId, "delay", delayedTimestamp)
+
+    -- Check if we need to push a marker job to wake up sleeping workers.
+    local markerKey = KEYS[1]
+    addDelayMarkerIfNeeded(markerKey, delayedKey)
+
+    return 0
+else
+    return -1
+end