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toolshed lib_src core qr_encode.ex
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lib_src/core/qr_encode.ex 

defmodule Toolshed.Core.QrEncode do

  @doc """

  Generate an ASCII art QR code



  See https://github.com/chubin/qrenco.de for more information.

  """

  @spec qr_encode(String.t()) :: :"do not show this result in output"

  def qr_encode(message) do

    check_app(:inets)



    encoded = message |> URI.encode() |> to_charlist()

    form_data = [?x, ?= | encoded]



    {:ok, {_status, _headers, body}} =

      :httpc.request(

        :post,

        {'http://qrenco.de/', [{'User-Agent', 'curl'}], 'application/x-www-form-urlencoded',

         form_data},

        [],

        []

      )



    body |> :binary.list_to_bin() |> IO.puts()

    IEx.dont_display_result()

  end

end