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