gistfile1.rb

class HouseSearch
  attr_accessor :keyword, :price

  def initialize(params)
    params ||= {}
    params.each do |key, value|
      self.send("#{key}=", value)
    end
  end

  def id
    nil
  end

  def new_record?
    true
  end

  def results
    results = House.all
    results = results.within_price_range(self.price) unless self.price.blank?
    results
  end

  def errors
    @errors ||= ActiveRecord::Errors.new(self)
    @errors.add(:price, "must be a price range") unless self.price =~ /-/
    @errors
  end
end