Spotify Auth

spotify.rb

def spotify
  self.validate_spotify_auth_token if self.spotify_auth_token.present?
  config = {
    :access_token => self.spotify_auth_token,  # initialize the client with an access token to perform authenticated calls
    :raise_errors => true,  # choose between returning false or raising a proper exception when API calls fails

    # Connection properties
    :retries       => 0,    # automatically retry a certain number of times before returning
    :read_timeout  => 10,   # set longer read_timeout, default is 10 seconds
    :write_timeout => 10,   # set longer write_timeout, default is 10 seconds
    :persistent    => false # when true, make multiple requests calls using a single persistent connection. Use +close_connection+ method on the client to manually clean up sockets
  }
  @client ||= ::Spotify::Client.new(config)
end

def validate_spotify_auth_token
  if Time.now > self.token_expires_at
    encoded_auth = Base64.strict_encode64("#{ENV['SPOTIFY_CLIENT_ID']}:#{ENV['SPOTIFY_CLIENT_SECRET']}")
    request = { :body => { "grant_type" => "refresh_token", "refresh_token" => self.spotify_refresh_token } ,
                     :headers => { "Authorization" => "Basic #{encoded_auth}" }
                   }
    response = HTTParty.post("https://accounts.spotify.com/api/token?refresh_token", request)
    self.update(:spotify_auth_token => response["access_token"], :token_expires_at => Time.now + response["expires_in"])
  end
end