class Page < ActiveRecord::Base validates_presence_of :title validates :path, :presence => true, :uniqueness => { :case_sensitive => false } scope :active, where(:accessible => true) scope :visible, active.where(:visible => true) has_many :contents, :order => :position, :dependent => :destroy has_many :images, :as => :viewable, :class_name => 'PageImage', :order => :position, :dependent => :destroy before_validation :set_defaults after_create :create_default_content def self.find_by_path(_path) return super("/") if _path == 'home' super(_path.to_s.sub(/^\/?/, '/').gsub('--', '/')) end def to_param return 'home' if path == '/' path.sub(/^\//, '').gsub('/', '--') end def meta_title val = read_attribute(:meta_title) val.blank? ? title : val end def for_context(context) contents.where(:context => context) end def has_context?(context) contents.where(:context => context).count end def matches?(_path) (root? && _path == "/") || (!root? && _path.match(path)) end def root? self.path == "/" end private def set_defaults return if title.blank? return errors.add(:path, "is reserved. Please use another") if path.to_s =~ /home/ self.nav_title = title if nav_title.blank? self.path = nav_title.parameterize if path.blank? self.path = "/" + path.sub(/^\//, '') end def create_default_content self.contents.create(:title => title) end end