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backend/node_modules/bullmq/dist/esm/commands/includes/addDelayedJob.lua

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+--[[
+  Adds a delayed job to the queue by doing the following:
+    - Creates a new job key with the job data.
+    - adds to delayed zset.
+    - Emits a global event 'delayed' if the job is delayed.
+]]
+
+-- Includes
+--- @include "addDelayMarkerIfNeeded"
+--- @include "getDelayedScore"
+
+local function addDelayedJob(jobId, delayedKey, eventsKey, timestamp,
+  maxEvents, markerKey, delay)
+
+  local score, delayedTimestamp = getDelayedScore(delayedKey, timestamp, tonumber(delay))
+
+  rcall("ZADD", delayedKey, score, jobId)
+  rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event", "delayed",
+    "jobId", jobId, "delay", delayedTimestamp)
+
+  -- mark that a delayed job is available
+  addDelayMarkerIfNeeded(markerKey, delayedKey)
+end