77 lines
2.1 KiB
Ruby
77 lines
2.1 KiB
Ruby
class Item
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include Mongoid::Document
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include Mongoid::Timestamps
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field :name, :index => true
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field :full_name, :index => true
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field :position, :type => Integer
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field :is_published, :type => Boolean, :default => false, :index => true
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field :enabled_for, :type => Array, :default => nil
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validates_format_of :name, :with => /^[0-9a-zA-Z\-_]+$/
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validates :name, :exclusion => { :in => LIST[:forbidden_item_names] }
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validates_uniqueness_of :name, :scope => :parent_id
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validates_presence_of :name, :full_name, :position
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belongs_to :parent, :class_name => "Item"
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has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy
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has_many :children, :class_name => "Item", :as => 'parent'
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before_validation :setup_default_value
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def self.find_by_name(item_name)
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Item.first(:conditions => { :name => item_name, :is_published => true })
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end
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# Get an array of ancestors
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def ancestors
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node, nodes = self, []
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nodes << node = node.parent while !node.parent.blank? rescue nil
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nodes.reverse
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end
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# Build the url from the array of ancestors
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def url
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urls = ancestors.map{ |a| a.name } << self.name
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urls.join("/")
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end
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def ordered_children
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self.children.asc(:position)
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end
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def ordered_and_visible_children
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objects = ordered_children
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a = []
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if objects
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objects.each do |object|
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a << object if object.enabled_for.nil? ? true : object.enabled_for.include?(I18n.locale.to_s)
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end
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end
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a
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end
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protected
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def setup_default_value
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# Set the position value within the parent scope
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if self.position.blank?
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max_page = Item.where(:parent_id => self.parent_id).count
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self.position = (max_page)? max_page + 1 : 1
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end
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# Build the full_name from the ancestors array
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full_node = self.ancestors.map{ |a| a.name }.push( self.name )
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# Remove root node if not root
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full_node.shift if full_node.size >= 2
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self.full_name = full_node.join("/")
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end
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# Enable the validation for parent_id
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def validates_presence_of_parent_id?
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true
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end
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end
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