Module: PathFinder

Defined in:
lib/path_finder.rb

Overview

Usage: path_finder :column => ‘path’, :uid => ‘to_param’, :deliminator => ‘/’

Defined Under Namespace

Modules: ClassMethods, InstanceMethods

Instance Method Summary collapse

Instance Method Details

#path_finder(options = {}) ⇒ Object 



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# File 'lib/path_finder.rb', line 9

def path_finder(options = {})
  raise "Options for path_finder must be a Hash" unless options.is_a? Hash
  options.each do |key, value|
    unless [:column, :uid, :deliminator].include? key
      raise "Unknown option for path_finder: #{key.inspect} => #{value.inspect}."
    end
  end

  send :include, InstanceMethods
  send :extend, ClassMethods

  options = {
          :column => 'path',
          :uid => 'to_param',
          :deliminator => '/'
        }.merge(options)

  # Create class attributes for options and set defaults
  self.cattr_accessor :path_finder_column
  self.path_finder_column = options[:column] #|| 'path'

  self.cattr_accessor :path_finder_uid
  self.path_finder_uid = options[:uid] #|| 'to_param'

  self.cattr_accessor :path_finder_deliminator
  self.path_finder_deliminator = options[:deliminator] #|| '/'

  before_validation_on_create :set_path
  validates_presence_of self.path_finder_column.to_sym

  if options[:set_depth]
    # add before_save to set depth column
  end

end