Player library, unified renderer for artists and playlists

app/models/beathaven/playlist.rb

@@ -2,4 +2,12 @@ class Playlist < ActiveRecord::Base
   belongs_to :user
   belongs_to :artist
   has_many :playlist_items, dependent: :destroy
+  
+  def serialize
+    data = {name: name, pic_url: pic_url, tracks: []}
+    playlist_items.each do |item|
+      data[:tracks] << item.track.serialize
+    end
+    data
+  end
 end

app/models/music/album.rb

@@ -9,4 +9,13 @@ class Album < ActiveRecord::Base
   def self.with_format f
     joins(:release_formats).where(:release_formats => { :hash => f.to_s })
   end
+  
+  def serialize
+    {
+      name: name,
+      pic_url: pic_url,
+      year: year,
+      tracks: tracks.map(&:serialize)
+    }
+  end
 end

app/models/music/artist.rb

@@ -19,6 +19,15 @@ class Artist < ActiveRecord::Base
     save!
     Delayed::Job.enqueue(LoadArtistJob.new(name))
   end
+  
+  def serialize
+    {
+      name: name,
+      pic_url: pic_url,
+      desc: desc,
+      albums: albums.map(&:serialize)
+    }
+  end
 
 private
   

app/models/music/track.rb

@@ -14,4 +14,18 @@ class Track < ActiveRecord::Base
       '0:00'
     end
   end
+  
+  def serialize
+    {
+      id: id,
+      artist: artists.first.name,
+      album: album.name,
+      position: position.to_s(36),
+      name: name,
+      length: length,
+      duration: duration,
+      available: available,
+      album_pic: album.pic_url
+    }
+  end
 end