spotify_ex v2.2.1 Spotify.Responder behaviour View Source
Receives http responses from the client and handles them accordingly.
Spotify API modules (Playlist, Album, etc)
use Spotify.Responder. When a request
is made they give the endpoint URL to the Client, which makes the request,
and pass the response to
handle_response. Each API module must build
appropriate responses, so they add Spotify.Responder as a behaviour, and implement