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backend/node_modules/bullmq/dist/cjs/commands/includes/handleDuplicatedJob.lua

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+--[[
+  Function to handle the case when job is duplicated.
+]]
+
+-- Includes
+--- @include "updateExistingJobsParent"
+
+local function handleDuplicatedJob(jobKey, jobId, currentParentKey, currentParent,
+  parentData, parentDependenciesKey, completedKey, eventsKey, maxEvents, timestamp)
+  local existedParentKey = rcall("HGET", jobKey, "parentKey")
+
+  if not existedParentKey or existedParentKey == currentParentKey then
+    updateExistingJobsParent(currentParentKey, currentParent, parentData,
+      parentDependenciesKey, completedKey, jobKey,
+      jobId, timestamp)
+  else
+    if currentParentKey ~= nil and currentParentKey ~= existedParentKey
+      and (rcall("EXISTS", existedParentKey) == 1) then
+      return -7
+    end
+  end
+  rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event",
+    "duplicated", "jobId", jobId)
+
+  return jobId .. "" -- convert to string
+end