oldhaven/rails/app/models/album.rb

# encoding: UTF-8
class Album < ActiveRecord::Base
	set_table_name 'musicbrainz.bh_release_group'
	belongs_to :artist
	has_many :releases, :conditions => "release_type = 1", :order => 'date ASC, id ASC'
	
	require 'iconv'
	
	def cover artist
	  covers = AlbumPic.where(album_id: id)
	  unless covers.empty?
	    covers.first.extralarge
	  else
	    q_artist = CGI::escape(artist)
  	  q_album = CGI::escape(name)
      path = open(
        'http://ws.audioscrobbler.com/2.0/' <<
        '?method=album.getinfo' <<
        '&api_key=04fda005dbf61a50af5abc3e90f111f2' <<
        '&artist=' << q_artist <<
        '&album=' << q_album
      ).read
  	  m = path.scan(/<image\ssize=\"(.*)\">(.*)<\/image>/i)
  	  AlbumPic.new(
  	    album_id:     id,
  	    small:        m[0][1],
        medium:       m[1][1],
        large:        m[2][1],
        extralarge:   m[3][1],
        mega:         m[4][1]
  	  )
  	  m[3][1]
	  end
	end
end