ruby-on-rails - 让 GeoKit 与我的 Address 类很好地配合

Question

我的Address类有一个geocode类方法，它返回从地理编码方法参数派生的地址对象数组（如果地理编码结果完全匹配，则数组将有一个元素）。

编写此方法的一个令人讨厌的部分是将 GeoKit 地址对象转换为我的地址对象（例如，“street_address”->“address1”）。有一个更好的方法吗？

class Address < ActiveRecord::Base
  def self.geocode(string)
    return nil if string.nil?

    results = Geokit::Geocoders::GoogleGeocoder.geocode(string)

    address_objects = Array.new

    results.all.each do |r|
      params = Hash.new

      params['address1'] = r.street_address
      params['city'] = r.city
      params['zipcode'] = r.zip
      params['state'] = State.find_by_abbr(r.state)
      params['country'] = Country.find_by_iso(r.country_code)

      new_address = Address.new(params)
      new_address.single_line_address = r.full_address

      address_objects << new_address    
    end

    return address_objects
  end
end

Answer 1

下面怎么办

class Address < ActiveRecord::Base
  def self.geocode(string)
    return if string.nil?

    results = Geokit::Geocoders::GoogleGeocoder.geocode(string)
    results.all.map do |r|
      Address.new do |address|
        address.address1  = r.street_address
        address.city      = r.city
        address.zipcode   = r.zip
        address.state     = State.find_by_abbr(r.state)
        address.country   = Country.find_by_iso(r.country_code)
        address.single_line_address = r.full_address
      end
    end
  end
end