class Item include Mongoid::Document include Mongoid::Timestamps include Mongoid::Tree include Mongoid::Tree::Ordering field :name field :path field :is_published, :type => Boolean, :default => false field :enabled_for, :type => Array, :default => nil field :menu_enabled_for, :type => Array, :default => nil field :title, localize: true field :sitemap_enabled, :type => Boolean, :default => true validates_format_of :name, :with => /^[0-9a-zA-Z\-_]+$/ validates :name, :exclusion => { :in => LIST[:forbidden_item_names] } validates_uniqueness_of :name, :scope => :parent_id validates_presence_of :name validates_associated :parent, :children before_destroy :destroy_children after_rearrange :rebuild_path, :if => "parent_id_changed? || name_changed?" def enabled_for_lang(lang) enabled_for.include?(lang) end def self.find_by_name(item_name) Item.first(:conditions => { :name => item_name, :is_published => true }) end def visible_children objects = self.children a = [] if objects objects.each do |object| a << object if object.menu_enabled_for.nil? ? true : object.menu_enabled_for.include?(I18n.locale.to_s) end end a end def shift_to(new_parent, position) unless self.parent_id.to_s.eql?(new_parent) && self.position.eql?(position.to_i) new_parent = Item.find(new_parent) current_position_sibling = find_by_parent_and_position(new_parent, position.to_i) if current_position_sibling current_position_sibling.at_bottom? ? move_below(current_position_sibling) : move_above(current_position_sibling) elsif self.parent != new_parent self.parent = new_parent save! end end end protected def rebuild_path self.path = (self.ancestors_and_self - [Item.root]).collect{|x| x.name unless x.root?}.join('/') end def find_by_parent_and_position(parent, position) parent.children.detect{|child| child.position == position} end # Enable the validation for parent_id def validates_presence_of_parent_id? true end end