Spotifier

spotifier.rb

class Spotifier
  require 'hallon'
  attr_accessor :user

  def initialize(member)
    appkey = IO.read('./bin/spotify_appkey.key')
    if Hallon::Session.instance?
      hallon = Hallon::Session.instance
      hallon.logout!
      hallon.forget_me!
      hallon.login!(member.spotify_username,  member.spotify_password)
    else
      Hallon::Session.initialize(appkey).tap do |hallon|
        hallon.login!(member.spotify_username, member.spotify_password)
      end
    end
    objects = [Hallon::User.new(member.spotify_username).load]
    @user = Hallon::User.new(objects[0].to_str).load
  end

  def get_starred_artists
    starred = @user.starred.load
    starred_tracks = starred.tracks.map(&:load)
    #artists = starred_tracks.collect{|t| t.artist.load.name unless t.artist.load.name.nil?}
    artists = Array.new
    starred_tracks.each do |t|
      begin
        artists << t.artist.load.name unless t.artist.load.name.nil?
      rescue Exception => e
        puts e
      end
    end
    top_counts = Hash.new(0)
    artists.each { |name| top_counts[name] += 1 }
    unique_starred = Array.new
    top_counts.each do |tc|
      unique_starred << tc[0] if tc[1] > 1
    end
    unique_starred
  end

  def get_playlist_artists(type)
    published = @user.published.load
    top_artists = Array.new
    all_playlists(published).each do |playlist|
      begin
        tracks = playlist.tracks.to_a.map(&:load)
        next if tracks.nil? || tracks[0].nil? || tracks[1].nil?
        if type == MemberArtist::TOP_ARTIST
          top_artists << tracks[0].artist.load.name if tracks[0].artist.load.name == tracks[1].artist.load.name
        elsif type == MemberArtist::RECENT_ARTIST
          top_artists << tracks[0].artist.load.name if recent_playlist(tracks)
        end
      rescue Exception => e
        puts e
      end
    end  
    top_artists
  end
  
  protected

  def all_playlists(published)
    all_playlists = published.contents.find_all do |playlist|
      playlist.is_a?(Hallon::Playlist) # ignore folders
    end
    all_playlists.each(&:load)
  end

  def recent_playlist(tracks)
    (tracks[0].artist.load.name == tracks[1].artist.load.name) && (tracks[0].added_at > Date.today - 30.days)
  end

end