Method: ActsAsList::InstanceMethods#move_lower

Defined in:
lib/acts_as_list.rb

#move_lower ⇒ Object

Swap positions with the next lower item, if one exists.



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# File 'lib/acts_as_list.rb', line 81

def move_lower
  lower = lower_item
  return unless lower
  acts_as_list_class.transaction do
    self.update_attribute(position_column, lower.send(position_column))
    lower.decrement_position
  end
end