function _M.optimizeLookup()

in scripts/lua/lib/redis.lua [763:796]

• 32 lines of code
• 10 McCabe index (conditional complexity)

function _M.optimizeLookup(red, tenant, resourceKey, pathStr)
  local startingString = utils.concatStrings({'fastmap:', tenant})
  if get(red, startingString) == nil then
    set(red, startingString, '')
  end
  local path = {}
  local key = {}
  for p in string.gmatch(pathStr, '[^/]*') do
    if p ~= '' then
      table.insert(path, p)
    end
  end

  for r in string.gmatch(resourceKey:gsub('[^:]*:[^:]*:', ''), '[^/]*') do
    if r ~= '' then
      table.insert(key, r)
    end
  end

  for i = 1, table.getn(path) do
    if path[i] == key[i] then
      startingString = utils.concatStrings({startingString, '/', key[i]})
      if (exists(red, startingString)) == 0 then
        set(red, startingString, '')
      end
    else
      startingString = utils.concatStrings({startingString, '/.*'})
      if (exists(red,startingString) == 0) then
        set(red, startingString, '')
      end
    end
  end
  set(red, startingString, resourceKey)
end