gistfile1.rb

class SearchPlaces
  include ActiveModel::Validations
  include ActiveModel::Conversion
  extend ActiveModel::Naming

  attr_accessor :lat, :lng, :distance, :address
  attr_accessor :query
  attr_accessor :type_id
  attr_accessor :category_id

  def initialize(attributes)
    attributes ||= {}
    attributes.each do |name, value|
      send("#{name}=", value)
    end
  end

  def persisted?
    false
  end

  def scope
    scope = Place.published

    if lat && lng && distance
      scope = scope.near([lat, lng], distance)
    end

    if query.present?
      scope = scope.matching(query)
    end

    if type_id.present?
      scope = scope.of_type(type_id)
    end

    if category_id.present?
      scope = scope.of_category(category_id)
    end

    scope
  end
end