00-search_controller.rb

class SearchController < ApplicationController
  def index
    @search = MultiSearch.new(params[:query])
    # ... do things to @search maybe ...
    # ... or hand it off to a decorator ...
  end
end

01-search.rb

class Search
  include Virtus
  
  extend ActiveModel::Naming
  include ActiveModel::Conversion
  
  attribute :term, String
  
  def persisted?
    false
  end
  
  def save
    true
  end
  
  def results
    @results ||= MultiSearch.new(term)
  end
end

02-searches_controller.rb

class SearchesController < ApplicationController
  # searches are now done with the new and edit methods
  
  inherit_resources
end