class ColumnEntryFile

	include Mongoid::Document
	include Mongoid::Timestamps

	mount_uploader :file, AssetUploader

	field :file_title, localize: true
	# field :description
	field :download_count, type: Integer, default: 0
	field :choose_lang, :type => Array, :default => I18n.available_locales.map{|l| l.to_s}

	field :should_destroy, :type => Boolean
	field :sort_number, :type => Integer

	# default_scope asc(:sort_number)

	def choose_lang_display(lang)
		self.file.present? && self.choose_lang.include?(lang)
	end

	def get_file_title
		_file_title = self.file_title
		if _file_title.blank? && self.file.present?
			_file_title = self[:file]
		end
		_file_title
	end

	def get_link
		"/xhr/universal_table/download?file=#{self.id}"
	end

	belongs_to :column_entry, index: true

end