Transformation: Convert Response
We’ll need a JSON library to convert the response into a data structure. Searching hex.pm, I found the poison library (no relation to HTTPoison), so let’s add its dependency to our mix.exs file.[23]
| defp deps do |
| [ |
| { :httpoison, "~> 1.0.0" }, |
| { :poison, "~> 3.1" }, |
| ] |
| end |
Run mix deps.get, and you’ll end up with poison installed.
To convert the body from a string, we call the Poison.Parser.parse! function when we return the message from the GitHub API:
| def handle_response({ _, %{status_code: status_code, body: body}}) do |
| { |
| status_code |> check_for_error(), |
| body |> Poison.Parser.parse!() |
| } |
| end |
| |
|
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