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module TelephoneNumber
class GeoLocator
attr_reader :phone_number, :normalized_number, :location, :locale
# initialize with a phone_number object
def initialize(phone_number, locale)
@phone_number = phone_number
@normalized_number = build_normalized_number
@locale = locale
end
def location
@location ||= find_location
end
def location_data
@location_data ||= fetch_location_data
end
private
def find_location
number = normalized_number.dup
location = nil
(number.length - 2).times { break if location = location_data[number.chop!] }
location
end
def fetch_location_data
return {} unless location_file = find_location_file
Marshal.load(File.binread(location_file))
end
def find_location_file
locale_path = geocoding_path(locale)
path = locale_path.empty? ? geocoding_path(:en) : locale_path
path.sort { |a, b| b <=> a }.detect do |path|
normalized_number.match?(/^#{File.basename(path, 'dat')}/)
end
end
def geocoding_path(locale)
path = File.expand_path("../../../data/geocoding/#{locale}/*.dat", __FILE__)
Dir.glob(path)
end
# Google's geocoding data is odd in that it uses a non-standard format for lookups
# on countries that have a mobile token. In short, we need to remove it. See the link
# below for reference.
# https://github.com/googlei18n/libphonenumber/blob/master/java/geocoder/src/com/google/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder.java#L121
def build_normalized_number
return phone_number.e164_number(formatted: false) unless mobile_token = phone_number.country.mobile_token
if phone_number.parser.normalized_number.start_with?(mobile_token)
phone_number.e164_number(formatted: false).sub(mobile_token, '')
else
phone_number.e164_number(formatted: false)
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems