class RuboCop::Cop::Rails::FindBy

def on_send(node)
  return unless node.arguments.empty? && where_method?(node.receiver)
  return if ignore_where_first? && node.method?(:first)
  range = offense_range(node)
  add_offense(range, message: format(MSG, dot: node.loc.dot.source, method: node.method_name)) do |corrector|
    autocorrect(corrector, node)
  end
end