class Geokit::Geocoders::YandexGeocoder

Yandex geocoder implementation. Expects the Geokit::Geocoders::YANDEX variable to contain a Yandex API key (optional). Conforms to the interface set by the Geocoder class.

Private Class Methods

do_geocode(address, _=nil) click to toggle source

Template method which does the geocode lookup.

# File lib/geokit/geocoders/yandex.rb, line 11
def self.do_geocode(address, _=nil)
  process :json, submit_url(address)
end
parse_json(result) click to toggle source
# File lib/geokit/geocoders/yandex.rb, line 22
def self.parse_json(result)
  loc = new_loc

  coll = result['response']['GeoObjectCollection']
  return loc unless coll['metaDataProperty']['GeocoderResponseMetaData']['found'].to_i > 0

  l = coll['featureMember'][0]['GeoObject']

  loc.success = true
  ll = l['Point']['pos'].split(' ')
  loc.lng = ll.first
  loc.lat = ll.last

  country = l['metaDataProperty']['GeocoderMetaData']['AddressDetails']['Country']
  locality = country['Locality'] || country['AdministrativeArea']['Locality'] || country['AdministrativeArea']['SubAdministrativeArea']['Locality'] rescue nil
  set_address_components(loc, l, country, locality)
  set_precision(loc, l, locality)

  loc
end
set_address_components(loc, l, country, locality) click to toggle source
# File lib/geokit/geocoders/yandex.rb, line 43
def self.set_address_components(loc, l, country, locality)
  loc.country_code = country['CountryNameCode']
  loc.full_address = country['AddressLine']
  loc.street_address = l['name']
  loc.street_number = locality['Thoroughfare']['Premise']['PremiseNumber'] rescue nil
  loc.street_name = locality['Thoroughfare']['ThoroughfareName'] rescue nil
  loc.city = locality['LocalityName'] rescue nil
  loc.state_name = country['AdministrativeArea']['AdministrativeAreaName'] rescue nil
  loc.district = country['AdministrativeArea']['SubAdministrativeArea']['SubAdministrativeAreaName'] rescue nil
  loc.state ||= country['Locality']['LocalityName'] rescue nil
end
set_precision(loc, l, locality) click to toggle source
# File lib/geokit/geocoders/yandex.rb, line 55
def self.set_precision(loc, l, locality)
  loc.precision = l['metaDataProperty']['GeocoderMetaData']['precision'].sub(/exact/, 'building').sub(/number|near/, 'address').sub(/other/, 'city')
  loc.precision = 'country' unless locality
end
submit_url(address) click to toggle source
# File lib/geokit/geocoders/yandex.rb, line 15
def self.submit_url(address)
  address_str = address.is_a?(GeoLoc) ? address.to_geocodeable_s : address
  url = "https://geocode-maps.yandex.ru/1.x/?geocode=#{Geokit::Inflector.url_escape(address_str)}&format=json"
  url += "&key=#{key}" if key
  url
end