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

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+--[[
+  Function to recursively check if there are no locks
+  on the jobs to be removed.
+
+  returns:
+    boolean
+]]
+--- @include "destructureJobKey"
+
+local function isLocked( prefix, jobId, removeChildren)
+  local jobKey = prefix .. jobId;
+
+  -- Check if this job is locked
+  local lockKey = jobKey .. ':lock'
+  local lock = rcall("GET", lockKey)
+  if not lock then
+    if removeChildren == "1" then
+      local dependencies = rcall("SMEMBERS", jobKey .. ":dependencies")
+      if (#dependencies > 0) then
+        for i, childJobKey in ipairs(dependencies) do
+          -- We need to get the jobId for this job.
+          local childJobId = getJobIdFromKey(childJobKey)
+          local childJobPrefix = getJobKeyPrefix(childJobKey, childJobId)
+          local result = isLocked( childJobPrefix, childJobId, removeChildren )
+          if result then
+            return true
+          end
+        end
+      end
+    end
+    return false
+  end
+  return true
+end