def make_request(self, **kwargs):
"""Makes http request to geocoding services and process the payloads."""
if 'address' not in kwargs:
lat_long = models.LatitudeLongitude()
lat_long.add_error(400, constants.MISSING_QUERY_PARAM)
return lat_long
r = self.prepare_request(**kwargs)
return self.process_payload(r.json())
def process_payload(self, json_object):
"""Returns the instance of the LatitudeLongitude instance."""
response_object = json_object.get('Response', {})
view_object_list = response_object.get('View', [])
result_object_list = view_object_list[0].get('Result', [])
location = result_object_list[0].get('Location', {})
navigation_position_list = location.get('NavigationPosition', [])
return models.LatitudeLongitude(
navigation_position_list[0].get('Latitude'),
navigation_position_list[0].get('Longitude'))
def fetch_geocoding_information(**kwargs):
"""Returns the geocoding information from either the geocoding services."""
all_services = [GoogleMapGeocoding(), HereEncodingService()]
lat_long = None
for service in all_services:
lat_long = service.make_request(**kwargs)
if lat_long and not lat_long.errors:
return lat_long
lat_long = models.LatitudeLongitude()
lat_long.add_error(400, _NO_DATA_FOUND)
return lat_long
def test_fetch_geocoding_information__failure():
lat_long_error = http_helper.fetch_geocoding_information()
lat_long_expected = models.LatitudeLongitude()
lat_long_expected.add_error(400, http_helper._NO_DATA_FOUND)
assert lat_long_error == lat_long_expected
def test_fetch_geocoding_information__success():
lat_long = http_helper.fetch_geocoding_information(
address='1600+Amphitheatre+Parkway+Mountain+View')
assert lat_long == (models.LatitudeLongitude(latitude=37.4261881,
longitude=-122.0761534))
def test_make_request(self):
latitude_longitude = self.google_maps_service.make_request(
address='1600+Amphitheatre+Parkway+Mountain+View')
assert latitude_longitude == (models.LatitudeLongitude(
latitude=37.4261881, longitude=-122.0761534))
def test_make_request(self):
latitude_longitude = self.here_encoding_service.make_request(
address='1600+Amphitheatre+Parkway+Mountain+View')
assert latitude_longitude == (models.LatitudeLongitude(
latitude=37.42307, longitude=-122.08414))
def process_payload(self, json_object):
result_object_list = json_object.get('results', [])
geometry = result_object_list[0].get('geometry', {})
location = geometry.get('location', {})
return models.LatitudeLongitude(location.get('lat'),
location.get('lng'))
def create_error(error_code, error_message):
"""Creates an error representation for the latitude and longitude object."""
lat_long = models.LatitudeLongitude()
lat_long.add_error(error_code, error_message)
return lat_long