class Snippet < ActiveRecord::Base
  include Linguist::BlobHelper

  belongs_to :project
  belongs_to :author, :class_name => "User"
  has_many :notes, :as => :noteable, :dependent => :destroy

  delegate :name,
           :email,
           :to => :author,
           :prefix => true
  attr_protected :author, :author_id, :project, :project_id

  validates_presence_of :project_id
  validates_presence_of :author_id

  validates :title,
            :presence => true,
            :length   => { :within => 0..255 }

  validates :file_name,
            :presence => true,
            :length   => { :within => 0..255 }

  validates :content,
            :presence => true,
            :length   => { :within => 0..10000 }

  scope :fresh, order("created_at DESC")
  scope :non_expired, where(["expires_at IS NULL OR expires_at > ?", Time.current])
  scope :expired, where(["expires_at IS NOT NULL AND expires_at < ?", Time.current])

  def self.content_types
    [
      ".rb", ".py", ".pl", ".scala", ".c", ".cpp", ".java",
      ".haml", ".html", ".sass", ".scss", ".xml", ".php", ".erb",
      ".js", ".sh", ".coffee", ".yml", ".md"
    ]
  end

  def data
    content
  end

  def size
    0
  end

  def name 
    file_name
  end

  def mode 
    nil
  end

  def expired?
    expires_at && expires_at < Time.current
  end
end
# == Schema Information
#
# Table name: snippets
#
#  id         :integer(4)      not null, primary key
#  title      :string(255)
#  content    :text
#  author_id  :integer(4)      not null
#  project_id :integer(4)      not null
#  created_at :datetime        not null
#  updated_at :datetime        not null
#  file_name  :string(255)
#  expires_at :datetime
#

