app/models/almanac/post.rb in almanac-0.4.5 vs app/models/almanac/post.rb in almanac-0.5.0

@@ -2,17 +2,18 @@
   belongs_to :blog
   belongs_to :author, :class_name => Almanac.user_class
   has_many :images, :dependent => :destroy
   has_many :comments, :dependent => :destroy
 
-  attr_accessible :title, :body, :published, :excerpt, :author_id, :blog_id, :tag_list, :written_at
+  attr_accessible :title, :body, :published, :excerpt, :author_id, :blog_id, :tag_list, :written_at, :slug
 
   validates_presence_of :blog_id
   validates_presence_of :written_at
   validates_presence_of :author_id
   validates_presence_of :title, :if => lambda {|_| _.published }
+  validates_presence_of :slug, :if => lambda {|_| _.published }
+  validates_uniqueness_of :slug
   validates_presence_of :body, :if => lambda {|_| _.published }
-
 
   before_save :author=
   after_initialize :set_written_at
 
   acts_as_taggable
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