supervisor code

cli.ex

def process({:get_thumbs, folder_path, json_path}) do
		# lets start a supervisor here
		Task.Supervisor.start_link(name: CLI.Supervisor, strategy: :one_for_one, max_timeout: 35)

		download_thumbs(json_object, 1, folder_fn)
    # download_thumbs unpacks a list of links inside of json object
    # and calls donwload_thumbs_files with it
	end
  
  def download_thumbs_files(links, result, path) do
  
  # I know I should have used Task.Supervisor.async_nolink
  # but I could not get it to work. So i used stream and Enum.into as a kind of await
  # 
		Task.Supervisor.async_stream_nolink(CLI.Supervisor, four, fn url ->
			file_name = String.split(url, ")")
			|> Enum.reverse
			|> hd
			file_name = Path.join path, file_name
			Logger.info "Downloading #{url} into #{file_name}"

			case HTTPoison.get(url, [], [recv_timeout: 20000]) do
				{:ok, %HTTPoison.Response{status_code: 200, body: body}} ->
				    case File.write(file_name, body) do
				    	:ok -> Logger.info "finished writing to #{file_name}"
				    	{:error, reason} -> Logger.error "Could not write #{file_name}: #{reason}"
				    end
		  		{:ok, %HTTPoison.Response{status_code: 404}} ->
		  			Logger.error "404: Not found #{url}"
				{:error, %HTTPoison.Error{reason: reason}} ->
				    Logger.error "Downloading #{url} failed: #{reason}"
			end

		end, [timeout: 21000])
		|> Enum.into([])
    
    # recursive call
		download_thumbs_files(rest, result, path)
	end