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backend/node_modules/bullmq/dist/cjs/scripts/drain-5.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.drain = void 0;
+const content = `--[[
+  Drains the queue, removes all jobs that are waiting
+  or delayed, but not active, completed or failed
+  Input:
+    KEYS[1] 'wait',
+    KEYS[2] 'paused'
+    KEYS[3] 'delayed'
+    KEYS[4] 'prioritized'
+    KEYS[5] 'jobschedulers' (repeat)
+    ARGV[1]  queue key prefix
+    ARGV[2]  should clean delayed jobs
+]]
+local rcall = redis.call
+local queueBaseKey = ARGV[1]
+--[[
+  Functions to remove jobs.
+]]
+-- Includes
+--[[
+  Function to filter out jobs to ignore from a table.
+]]
+local function filterOutJobsToIgnore(jobs, jobsToIgnore)
+  local filteredJobs = {}
+  for i = 1, #jobs do
+    if not jobsToIgnore[jobs[i]] then
+      table.insert(filteredJobs, jobs[i])
+    end
+  end
+  return filteredJobs
+end
+--[[
+  Functions to remove jobs.
+]]
+-- Includes
+--[[
+  Function to remove job.
+]]
+-- Includes
+--[[
+  Function to remove deduplication key if needed
+  when a job is being removed.
+]]
+local function removeDeduplicationKeyIfNeededOnRemoval(prefixKey,
+  jobId, deduplicationId)
+  if deduplicationId then
+    local deduplicationKey = prefixKey .. "de:" .. deduplicationId
+    local currentJobId = rcall('GET', deduplicationKey)
+    if currentJobId and currentJobId == jobId then
+      return rcall("DEL", deduplicationKey)
+    end
+  end
+end
+--[[
+  Function to remove job keys.
+]]
+local function removeJobKeys(jobKey)
+  return rcall("DEL", jobKey, jobKey .. ':logs', jobKey .. ':dependencies',
+    jobKey .. ':processed', jobKey .. ':failed', jobKey .. ':unsuccessful')
+end
+--[[
+  Check if this job has a parent. If so we will just remove it from
+  the parent child list, but if it is the last child we should move the parent to "wait/paused"
+  which requires code from "moveToFinished"
+]]
+-- Includes
+--[[
+  Function to add job in target list and add marker if needed.
+]]
+-- Includes
+--[[
+  Add marker if needed when a job is available.
+]]
+local function addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
+  if not isPausedOrMaxed then
+    rcall("ZADD", markerKey, 0, "0")
+  end  
+end
+local function addJobInTargetList(targetKey, markerKey, pushCmd, isPausedOrMaxed, jobId)
+  rcall(pushCmd, targetKey, jobId)
+  addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
+end
+--[[
+  Functions to destructure job key.
+  Just a bit of warning, these functions may be a bit slow and affect performance significantly.
+]]
+local getJobIdFromKey = function (jobKey)
+  return string.match(jobKey, ".*:(.*)")
+end
+local getJobKeyPrefix = function (jobKey, jobId)
+  return string.sub(jobKey, 0, #jobKey - #jobId)
+end
+--[[
+  Function to check for the meta.paused key to decide if we are paused or not
+  (since an empty list and !EXISTS are not really the same).
+]]
+local function getTargetQueueList(queueMetaKey, activeKey, waitKey, pausedKey)
+  local queueAttributes = rcall("HMGET", queueMetaKey, "paused", "concurrency", "max", "duration")
+  if queueAttributes[1] then
+    return pausedKey, true, queueAttributes[3], queueAttributes[4]
+  else
+    if queueAttributes[2] then
+      local activeCount = rcall("LLEN", activeKey)
+      if activeCount >= tonumber(queueAttributes[2]) then
+        return waitKey, true, queueAttributes[3], queueAttributes[4]
+      else
+        return waitKey, false, queueAttributes[3], queueAttributes[4]
+      end
+    end
+  end
+  return waitKey, false, queueAttributes[3], queueAttributes[4]
+end
+local function _moveParentToWait(parentPrefix, parentId, emitEvent)
+  local parentTarget, isPausedOrMaxed = getTargetQueueList(parentPrefix .. "meta", parentPrefix .. "active",
+    parentPrefix .. "wait", parentPrefix .. "paused")
+  addJobInTargetList(parentTarget, parentPrefix .. "marker", "RPUSH", isPausedOrMaxed, parentId)
+  if emitEvent then
+    local parentEventStream = parentPrefix .. "events"
+    rcall("XADD", parentEventStream, "*", "event", "waiting", "jobId", parentId, "prev", "waiting-children")
+  end
+end
+local function removeParentDependencyKey(jobKey, hard, parentKey, baseKey, debounceId)
+  if parentKey then
+    local parentDependenciesKey = parentKey .. ":dependencies"
+    local result = rcall("SREM", parentDependenciesKey, jobKey)
+    if result > 0 then
+      local pendingDependencies = rcall("SCARD", parentDependenciesKey)
+      if pendingDependencies == 0 then
+        local parentId = getJobIdFromKey(parentKey)
+        local parentPrefix = getJobKeyPrefix(parentKey, parentId)
+        local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
+        if numRemovedElements == 1 then
+          if hard then -- remove parent in same queue
+            if parentPrefix == baseKey then
+              removeParentDependencyKey(parentKey, hard, nil, baseKey, nil)
+              removeJobKeys(parentKey)
+              if debounceId then
+                rcall("DEL", parentPrefix .. "de:" .. debounceId)
+              end
+            else
+              _moveParentToWait(parentPrefix, parentId)
+            end
+          else
+            _moveParentToWait(parentPrefix, parentId, true)
+          end
+        end
+      end
+      return true
+    end
+  else
+    local parentAttributes = rcall("HMGET", jobKey, "parentKey", "deid")
+    local missedParentKey = parentAttributes[1]
+    if( (type(missedParentKey) == "string") and missedParentKey ~= ""
+      and (rcall("EXISTS", missedParentKey) == 1)) then
+      local parentDependenciesKey = missedParentKey .. ":dependencies"
+      local result = rcall("SREM", parentDependenciesKey, jobKey)
+      if result > 0 then
+        local pendingDependencies = rcall("SCARD", parentDependenciesKey)
+        if pendingDependencies == 0 then
+          local parentId = getJobIdFromKey(missedParentKey)
+          local parentPrefix = getJobKeyPrefix(missedParentKey, parentId)
+          local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
+          if numRemovedElements == 1 then
+            if hard then
+              if parentPrefix == baseKey then
+                removeParentDependencyKey(missedParentKey, hard, nil, baseKey, nil)
+                removeJobKeys(missedParentKey)
+                if parentAttributes[2] then
+                  rcall("DEL", parentPrefix .. "de:" .. parentAttributes[2])
+                end
+              else
+                _moveParentToWait(parentPrefix, parentId)
+              end
+            else
+              _moveParentToWait(parentPrefix, parentId, true)
+            end
+          end
+        end
+        return true
+      end
+    end
+  end
+  return false
+end
+local function removeJob(jobId, hard, baseKey, shouldRemoveDeduplicationKey)
+  local jobKey = baseKey .. jobId
+  removeParentDependencyKey(jobKey, hard, nil, baseKey)
+  if shouldRemoveDeduplicationKey then
+    local deduplicationId = rcall("HGET", jobKey, "deid")
+    removeDeduplicationKeyIfNeededOnRemoval(baseKey, jobId, deduplicationId)
+  end
+  removeJobKeys(jobKey)
+end
+local function removeJobs(keys, hard, baseKey, max)
+  for i, key in ipairs(keys) do
+    removeJob(key, hard, baseKey, true --[[remove debounce key]])
+  end
+  return max - #keys
+end
+local function getListItems(keyName, max)
+  return rcall('LRANGE', keyName, 0, max - 1)
+end
+local function removeListJobs(keyName, hard, baseKey, max, jobsToIgnore)
+  local jobs = getListItems(keyName, max)
+  if jobsToIgnore then
+    jobs = filterOutJobsToIgnore(jobs, jobsToIgnore)
+  end
+  local count = removeJobs(jobs, hard, baseKey, max)
+  rcall("LTRIM", keyName, #jobs, -1)
+  return count
+end
+-- Includes
+--[[
+  Function to loop in batches.
+  Just a bit of warning, some commands as ZREM
+  could receive a maximum of 7000 parameters per call.
+]]
+local function batches(n, batchSize)
+  local i = 0
+  return function()
+    local from = i * batchSize + 1
+    i = i + 1
+    if (from <= n) then
+      local to = math.min(from + batchSize - 1, n)
+      return from, to
+    end
+  end
+end
+--[[
+  Function to get ZSet items.
+]]
+local function getZSetItems(keyName, max)
+  return rcall('ZRANGE', keyName, 0, max - 1)
+end
+local function removeZSetJobs(keyName, hard, baseKey, max, jobsToIgnore)
+  local jobs = getZSetItems(keyName, max)
+  if jobsToIgnore then
+    jobs = filterOutJobsToIgnore(jobs, jobsToIgnore)
+  end
+  local count = removeJobs(jobs, hard, baseKey, max)
+  if(#jobs > 0) then
+    for from, to in batches(#jobs, 7000) do
+      rcall("ZREM", keyName, unpack(jobs, from, to))
+    end
+  end
+  return count
+end
+-- We must not remove delayed jobs if they are associated to a job scheduler.
+local scheduledJobs = {}
+local jobSchedulers = rcall("ZRANGE", KEYS[5], 0, -1, "WITHSCORES")
+-- For every job scheduler, get the current delayed job id.
+for i = 1, #jobSchedulers, 2 do
+    local jobSchedulerId = jobSchedulers[i]
+    local jobSchedulerMillis = jobSchedulers[i + 1]
+    local delayedJobId = "repeat:" .. jobSchedulerId .. ":" .. jobSchedulerMillis
+    scheduledJobs[delayedJobId] = true
+end
+removeListJobs(KEYS[1], true, queueBaseKey, 0, scheduledJobs) -- wait
+removeListJobs(KEYS[2], true, queueBaseKey, 0, scheduledJobs) -- paused
+if ARGV[2] == "1" then
+  removeZSetJobs(KEYS[3], true, queueBaseKey, 0, scheduledJobs) -- delayed
+end
+removeZSetJobs(KEYS[4], true, queueBaseKey, 0, scheduledJobs) -- prioritized
+`;
+exports.drain = {
+    name: 'drain',
+    content,
+    keys: 5,
+};
+//# sourceMappingURL=drain-5.js.map