oldhaven/app/controllers/artist_controller.rb

class ArtistController < ApplicationController
  def data
    data = {}
    artist = Artist.find_by_name(params[:name].gsub('+', ' '))
    data['artist'] = {name: artist.name, desc: ActionController::Base.helpers.strip_tags(artist.desc), pic: artist.pic_url}
    data['albums'] = []
    albums = artist.albums
    albums.each do |album|
      tmp_album = {name: album.name, year: album.year, pic: album.pic_url}
      album_tracks = []
      bonus_tracks = []
      album.tracks.each do |track|
        tmp_track = {name: track.name, live: track.live, acoustic: track.acoustic}
        time = (track.length / 1000).round
        time_m = (time / 60).floor
        time_s = time - time_m * 60
        tmp_track['duration'] = time_m.to_s + ':' + (time_s < 10 ? '0' : '') + time_s.to_s
        (track.bonus == 0 ? album_tracks : bonus_tracks) << tmp_track
      end
      tmp_album['tracks'] = {album: album_tracks, bonus: bonus_tracks}
      data['albums'] << tmp_album
    end
    render :json => data
  end
end