--[[
  Function to add job considering priority.
]]

local function addJobWithPriority(priorityKey, priority, jobId, targetKey)
  rcall("ZADD", priorityKey, priority, jobId)
  local count = rcall("ZCOUNT", priorityKey, 0, priority)

  local len = rcall("LLEN", targetKey)
  local id = rcall("LINDEX", targetKey, len - (count - 1))
  if id then
    rcall("LINSERT", targetKey, "BEFORE", id, jobId)
  else
    rcall("RPUSH", targetKey, jobId)
  end
end