#require 'dm-validations'
#require 'dm-timestamps'

#require 'taunaki/shorten'
#require 'taunaki/id_maker'

class Article
  include DataMapper::Resource

 # include Taunaki::Shorten
 # include Taunaki::IdMaker

  property :id,                 Serial
  property :friendly_id,        String,   :length => (1..255)
  property :title,              String,   :nullable => false, :length => (1..255)
  property :content,            Text,     :nullable => false, :length => (1..10_000)
  property :created_at,         DateTime
  property :updated_at,         DateTime
  property :rating,             Integer,  :format =>
    Proc.new { |r| 0 < r && r <= 5 }
  # Shortened version of the content, without markup, used to display on the
  # sides
  property :shortened_content,  String,   :length => (0..150)
  belongs_to :author, :class_name => 'User', :child_key => [:article_id]

 # is_indexed :texts => [:title, :content, :rating]

 # field_for_id :title

 # before :valid?, :setup
 # validates_with_method :author, :check_author

  def setup
    if self.new_record?
      unless self.title
        errors.add(:title, 'Title cannot be blank')
        return false
      end
      self.friendly_id = self.generate_id
    end
    self.shortened_content = self.shorten(self.content, 150)
  end
  private :setup



  # Check that the author is a) present and is b) a contributor
  def check_author
    if !self.author
      return [false, "The author is missing"]
    else
      if self.author.roles.select{ |r| r.id == 'contributor' }.empty?
        return [false, "The author is not a contributor"]
      else
        return true
      end
    end
  end
  private :check_author
end