Download zip, extract, and parse csv in Elixir

website.ex

defmodule Website do
  alias NimbleCSV.RFC4180, as: CSV
 
  def fetch_data(url) do
      with {:ok, resp} <- HTTPoison.get(report.url, [timeout: 50_000]),
           {:ok, files} <- :zip.extract(resp.body),
           {_name, content} <- hd(files),
           rows <- CSV.parse_string(content)
      do
        {:ok, rows}
      else
        {:error, err} -> {:error, err}
        err -> {:error, err}
      end
  end
end