Module: TheSortableTree::Scopes

Defined in:
lib/the_sortable_tree.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/the_sortable_tree.rb', line 7

def self.included(base)
  base.class_eval do
    if Rails::VERSION::MAJOR == 3
      scope :nested_set,          order('lft ASC')
      scope :reversed_nested_set, order('lft DESC')
    elsif Rails::VERSION::MAJOR >= 4
      scope :nested_set,          lambda { order('lft ASC')  }
      scope :reversed_nested_set, lambda { order('lft DESC') }
    else
      puts "[TheSortableTree] ERROR: required Rails >= version 3"
    end
  end
end