Review funkt

node_modules/bullmq/dist/cjs/commands/includes/storeDeduplicatedNextJob.lua

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+--[[
+  Function to store a deduplicated next job if the existing job is active
+  and keepLastIfActive is set. When the active job finishes, the stored
+  proto-job is used to create a real job in the queue.
+  Returns true if the proto-job was stored, false otherwise.
+]]
+--- @include "checkItemInList"
+
+local function storeDeduplicatedNextJob(deduplicationOpts, currentDeduplicatedJobId, prefix,
+    deduplicationId, jobName, jobData, fullOpts, eventsKey, maxEvents, jobId,
+    parentKey, parentData, parentDependenciesKey, repeatJobKey)
+    if deduplicationOpts['keepLastIfActive'] and currentDeduplicatedJobId then
+        local activeKey = prefix .. "active"
+        local activeItems = rcall('LRANGE', activeKey, 0, -1)
+        if checkItemInList(activeItems, currentDeduplicatedJobId) then
+            local deduplicationNextKey = prefix .. "dn:" .. deduplicationId
+            local fields = {'name', jobName, 'data', jobData, 'opts', cjson.encode(fullOpts),
+                'jid', jobId}
+
+            if parentKey then
+                fields[#fields+1] = 'pk'
+                fields[#fields+1] = parentKey
+            end
+
+            if parentData then
+                fields[#fields+1] = 'pd'
+                fields[#fields+1] = parentData
+            end
+
+            if parentDependenciesKey then
+                fields[#fields+1] = 'pdk'
+                fields[#fields+1] = parentDependenciesKey
+            end
+
+            if repeatJobKey then
+                fields[#fields+1] = 'rjk'
+                fields[#fields+1] = repeatJobKey
+            end
+
+            rcall('DEL', deduplicationNextKey)
+            rcall('HSET', deduplicationNextKey, unpack(fields))
+
+            -- Ensure the dedup key does not expire while the job is active,
+            -- so subsequent adds always hit the dedup path and never bypass
+            -- the active-check because of a TTL expiry.
+            local deduplicationKey = prefix .. "de:" .. deduplicationId
+            rcall('PERSIST', deduplicationKey)
+
+            rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event", "deduplicated", "jobId",
+                currentDeduplicatedJobId, "deduplicationId", deduplicationId, "deduplicatedJobId", jobId)
+            return true
+        end
+    end
+    return false
+end