Favorite and playlist models

db/migrate/20110621233641_create_favorites.rb

@@ -0,0 +1,16 @@
+class CreateFavorites < ActiveRecord::Migration
+  def self.up
+    create_table :favorites do |t|
+      t.integer :user_id
+      t.integer :artist_id
+      t.integer :album_id
+      t.integer :track_id
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :favorites
+  end
+end

db/migrate/20110622000213_create_playlists.rb

@@ -0,0 +1,14 @@
+class CreatePlaylists < ActiveRecord::Migration
+  def self.up
+    create_table :playlists do |t|
+      t.integer :user_id
+      t.string :name
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :playlists
+  end
+end

db/migrate/20110622000253_create_playlist_items.rb

@@ -0,0 +1,14 @@
+class CreatePlaylistItems < ActiveRecord::Migration
+  def self.up
+    create_table :playlist_items do |t|
+      t.integer :playlist_id
+      t.integer :track_id
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :playlist_items
+  end
+end