class Item < ActiveRecord::Base
	belongs_to :feed
	
	validates_presence_of :title, :author, :content
	validates_uniqueness_of :url

  default_scope order("published_at DESC")
  scope :recent, limit(10)

  def self.create_from_feed_entry!(feed_entry)
    feed_entry.sanitize!
    self.create!(
      :title => feed_entry.title,
      :url => feed_entry.url,
      :author => feed_entry.author,
      :published_at => feed_entry.published,
      :content => feed_entry.content
    )
  end

  def <=>(other)
    self.published_at <=> other.published_at
  end
end