qrush · September 20, 2008 16:58
diff --git a/app - models - post.rb b/app - models - post.rb
 class Post < ActiveRecord::Base
  
  belongs_to :user
  belongs_to :category
  
  validates_presence_of :title, :content, :user_id, :category_id
  
  def to_param
    "#{id}-#{title.slugify}"
  end

 end
diff --git a/lib - string.rb b/lib - string.rb
 class String
  def slugify
    self.gsub(/[^a-z0-9]+/i, '-').chomp('-')
  end
 end
	class Post < ActiveRecord::Base

	belongs_to :user
	belongs_to :category

	validates_presence_of :title, :content, :user_id, :category_id

	def to_param
	"#{id}-#{title.slugify}"
	end

	end