geolocation_with_rails.rb

# gem install geocoder
require "geocoder"

class GeocoderService
  def initialize(options={})
    @street = options[:street]
    @neighborhood = options[:neighborhood]
    @city = options[:city]
    @state = options[:state]
    @country = options[:country]
  end

  def process
    build_address
    search
  end

  def search
    @result = Geocoder.search(@address)
  end

  def build_address
    @address = [@street, @neighborhood, @city, @state].compact.join(', ')
  end

  def result
    @location = @result.first
  end
end

# get result.latitude - float
# get result.longitude - float
# get result.coordinates - array of the above two
# get result.address - string
# get result.city - string
# get result.state - string
# get result.state_code - string
# get result.postal_code - string
# get result.country - string
# get result.country_code - string