Merge pull request George7h#44 from George7h/features-create-music-la…

…bel-class

Create Music and Genre class

classes/genre.rb

@@ -0,0 +1,18 @@
+require './classes/item'
+
+class Genre < Item
+  attr_accessor :name
+  attr_reader :id, :items
+
+  def initialize(name, id = nil)
+    super
+    @id = id || Random.random(1..1000)
+    @name = name
+    @items = []
+  end
+
+  def add_item(item)
+    @items << item
+    item.label = self
+  end
+end

classes/musicalbum.rb

@@ -0,0 +1,14 @@
+require './classes/item'
+
+class MusicAlbum < Item
+  attr_accessor :on_spotify
+
+  def initialize(genre, author, source, label, publish_date, on_spotify)
+    super(genre, author, source, label, publish_date)
+    @on_spotify = on_spotify
+  end
+
+  def can_be_archived?
+    super || @on_spotify
+  end
+end