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@thesunwave
Created March 30, 2017 20:41
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require 'rest-client'
class YandexGeocoder
attr_reader :data, :address
NotFound = Class.new(StandardError)
EmptyRequest = Class.new(StandardError)
BASE_URL = 'https://geocode-maps.yandex.ru/1.x/'.freeze
PARAMS = {
format: :json,
results: 1,
geocode: nil
}
def initialize(address)
@address = address
end
def data
@data ||= response(address)
end
def region
data['metaDataProperty']['GeocoderMetaData']['AddressDetails']['Country']['AdministrativeArea']['AdministrativeAreaName']
end
def city
address_components.select { |e| e['kind'] == 'locality' }.map { |e| e['name'] }.first
end
def street
address_components.select { |e| e['kind'] == 'street' }.map { |e| e['name'] }.first
end
def house
address_components.select { |e| e['kind'] == 'house' }.map { |e| e['name'] }.first
end
def full_address
data['metaDataProperty']['GeocoderMetaData']['Address']['formatted']
end
def coords
arr = data['Point']['pos'].split(' ').map(&:to_f).reverse
{
lat: arr[0],
lon: arr[1]
}
end
private
def request(address)
JSON.parse(RestClient.get(BASE_URL, params: PARAMS.merge(geocode: address)).body)
end
def response(address)
raise EmptyRequest, "Your request is empty" if address.empty?
result = request(address)['response']['GeoObjectCollection']
if result['featureMember'].empty?
response = result['metaDataProperty']['GeocoderResponseMetaData']
raise NotFound, "Found #{response['found']} equals by request: #{response['request']}"
else
result['featureMember'][0]['GeoObject']
end
end
def address_components
data['metaDataProperty']['GeocoderMetaData']['Address']['Components']
end
end
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