Add polling station intent #33
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| """ Intent for responding to polling station requests """ | ||
| import logging | ||
| from mycity.mycity_response_data_model import MyCityResponseDataModel | ||
| from mycity.intents import intent_constants | ||
| from mycity.utils.address_utils import set_address_in_session | ||
| from mycity.utils.brookline_arcgis_api_utils import get_polling_locations_json | ||
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| LOGGER = logging.getLogger(__name__) | ||
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| # User facing strings | ||
| CARD_TITLE_POLLING = "Polling Locations" | ||
| OUTPUT_SPEECH_TEMPLATE = "The {} polling station in {} is located at {}. " | ||
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| # Strings used in parsing json data returned by server | ||
| FEATURES_PATH = "features" | ||
| ATTRIBUTES_PATH = "attributes" | ||
| NAME_PATH = "NAME" | ||
| PRECINCT_PATH = "PRECINCT" | ||
| ADDR_PATH = "FULLADD" | ||
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| # Request data model strings | ||
| NUMBER_LOCATIONS_SLOT_NAME = "number_requests" | ||
| MAX_LOCATIONS = 10 | ||
| DEFAULT_LOCATIONS = 3 | ||
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| def get_polling_location_info(mycity_request): | ||
| """ | ||
| Generates a response to a polling location request | ||
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| :param mycity_request: MyCityRequestDataModel containing the user request | ||
| :return: MyCityResponseDataModel containing the speech to return to the user | ||
| """ | ||
| LOGGER.debug('Getting polling location information') | ||
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| response = MyCityResponseDataModel() | ||
| set_address_in_session(mycity_request) | ||
| current_address = \ | ||
| mycity_request.session_attributes.get(intent_constants.CURRENT_ADDRESS_KEY) | ||
| if current_address is None: | ||
| # Delegate to the Alexa interaction model for getting the user address | ||
| LOGGER.debug('Requesting user address.') | ||
| response.dialog_directive = "Delegate" | ||
| else: | ||
| response.output_speech = _get_output_speech_for_address(current_address, mycity_request) | ||
| response.card_title = CARD_TITLE_POLLING | ||
| response.should_end_session = True | ||
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| return response | ||
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| def _get_output_speech_for_address(address, mycity_request): | ||
| """ | ||
| Creates output speech for polling locations near the provided address | ||
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| :param address: Current address | ||
|
There was a problem hiding this comment. Missing |
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| :return: Output speech string | ||
| """ | ||
| number_locations = _number_of_locations(mycity_request) | ||
| response = get_polling_locations_json(address) | ||
| try: | ||
| results = response[FEATURES_PATH] | ||
| output_speech = "" | ||
| for result in results[:number_locations]: | ||
| output_speech += _build_speech_from_result(result) | ||
| except (IndexError, KeyError): | ||
| LOGGER.error("Error extracting polling station response.") | ||
| return intent_constants.NO_RESULTS_RESPONSE | ||
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| if not output_speech: | ||
| return intent_constants.NO_RESULTS_RESPONSE | ||
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| return output_speech | ||
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| def _number_of_locations(mycity_request): | ||
| """ | ||
| Returns number of locations from the request if available or a default value | ||
| :param mycity_request: MyCityRequestDataModel object | ||
| :return: Number of polling station requests to return from this intent | ||
| """ | ||
| if NUMBER_LOCATIONS_SLOT_NAME in \ | ||
| mycity_request.intent_variables and \ | ||
| "value" in mycity_request.intent_variables[ | ||
| NUMBER_LOCATIONS_SLOT_NAME]: | ||
| return min( | ||
| int(mycity_request.intent_variables[NUMBER_LOCATIONS_SLOT_NAME]["value"]), | ||
| MAX_LOCATIONS) | ||
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| return DEFAULT_LOCATIONS | ||
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| def _build_speech_from_result(result): | ||
| """ | ||
| Builds a speech string from a given polling location result | ||
| :param result: JSON object of a single polling location result | ||
| :return: Speech string representing this result | ||
| """ | ||
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| try: | ||
| attributes = result[ATTRIBUTES_PATH] | ||
| name = attributes[NAME_PATH] | ||
| precinct = attributes[PRECINCT_PATH] | ||
| address = attributes[ADDR_PATH] | ||
| except KeyError: | ||
| LOGGER.error("Polling station response json did not contain the expected attributes.") | ||
| raise KeyError | ||
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| return OUTPUT_SPEECH_TEMPLATE.format(name, precinct, address) | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| """ Integration tests for PollingStationIntent """ | ||
| import mycity.test.test_constants as test_constants | ||
| import mycity.test.integration_tests.intent_base_case as base_case | ||
| import mycity.test.integration_tests.intent_test_mixins as mix_ins | ||
| import mycity.intents.polling_stations_intent as polling_intent | ||
| import mycity.intents.intent_constants as intent_constants | ||
| import copy | ||
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| FEATURES=polling_intent.FEATURES_PATH | ||
| ATTRIBUTES=polling_intent.ATTRIBUTES_PATH | ||
| NAME=polling_intent.NAME_PATH | ||
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| class PollingStationsTestCase(mix_ins.RepromptTextTestMixIn, | ||
| mix_ins.CardTitleTestMixIn, | ||
| base_case.IntentBaseCase): | ||
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| intent_to_test = "PollingStationIntent" | ||
| expected_title = polling_intent.CARD_TITLE_POLLING | ||
| returns_reprompt_text = False | ||
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| def setUp(self): | ||
| super().setUp() | ||
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| # Patch requests.get in PollingStationIntent | ||
| self.mock_requests(get_data=copy.deepcopy(test_constants.GET_ADDRESS_CANDIDATES_API_MOCK), | ||
| post_data=copy.deepcopy(test_constants.GET_POLLING_LOCATIONS_API_MOCK)) | ||
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| def test_response_contains_polling_first_station_name(self): | ||
| first_station_name = test_constants.GET_POLLING_LOCATIONS_API_MOCK[FEATURES][0][ATTRIBUTES][NAME] | ||
| response = self.controller.on_intent(self.request) | ||
| self.assertTrue(first_station_name in response.output_speech) | ||
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| def test_no_feature_results(self): | ||
| self.mock_requests(get_data=copy.deepcopy(test_constants.GET_ADDRESS_CANDIDATES_API_MOCK), | ||
| post_data=copy.deepcopy(test_constants.NO_RESPONSE_POLLING_LOCATIONS_API_MOCK)) | ||
| response = self.controller.on_intent(self.request) | ||
| self.assertEqual(response.output_speech, intent_constants.NO_RESULTS_RESPONSE) |
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We could alternatively use auto delegation