Module: MongoTree::Strategies::MaterializedPath

Includes:
Base
Defined in:
lib/mongo_tree/strategies/materialized_path.rb

Defined Under Namespace

Modules: ClassMethods, InstanceMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/mongo_tree/strategies/materialized_path.rb', line 6

def self.included(base)
  base.class_eval do
    class << self
      attr_accessor :mongo_tree_options
    end
    
    @mongo_tree_options = {
      :path_attribute => :id,
      :path_delimiter => ','
    }.merge(@mongo_tree_options)
    
    key :path, String, :index => true
    key :depth, Integer, :default => 0
    validates_presence_of @mongo_tree_options[:path_attribute].to_sym
    before_save :update_path_and_depth, :if => Proc.new{ |doc| doc.changes.has_key? "path" }
    after_save :update_children, :if => Proc.new{ |doc| doc.changes.has_key? "path" }
  end
  
  base.extend ClassMethods
  base.send :include, InstanceMethods
end