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)
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Template method which does the geocode lookup.
# File lib/geokit/geocoders/yandex.rb, line 11 def self.do_geocode(address) process :json, submit_url(address) end
parse_json(result)
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# 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)
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# 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.state ||= country["Locality"]["LocalityName"] rescue nil end
set_precision(loc, l, locality)
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# File lib/geokit/geocoders/yandex.rb, line 54 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)
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# 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