Method: HasOrder::InstanceMethods#move_before

Defined in:
lib/has_order.rb

#move_before(node) ⇒ Object 



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# File 'lib/has_order.rb', line 97

def move_before(node)
  self.class.transaction do
    node_pos = node.position
    pos = node_pos > 0 ? node_pos - 1 : node_pos

    if list_scope.at(pos).exists?
      pos = node_pos
      node.and_higher.shift!
    end

    self.position = pos
    save!
  end
end