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Added invocation to inquire about individual dishes
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130 changes: 130 additions & 0 deletions
130
alexa-skill/lambda-pdm/src/src/handler/get_filtered_mensa_offerings_intent_handler.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| import datetime | ||
| from enum import Enum | ||
| from typing import Union, cast | ||
|
|
||
| import ask_sdk_core.utils as ask_utils | ||
| from ask_sdk_core.handler_input import HandlerInput | ||
| from ask_sdk_model import Response | ||
|
|
||
| from src.data.mensas import Mensa | ||
| from src.data.menu_model import DishType, MensaDayMenus, MensaMenu, NutritionFlag | ||
| from src.handler.intent_handler_with_mensa_and_date import IntentHandlerWithMensaAndDate | ||
| from src.utils import alexa_slots | ||
| from src.utils.localization import I18nFunction | ||
|
|
||
|
|
||
| class DishTypeFilter(str, Enum): | ||
| """Enum for the different types of dishes that can be filtered.""" | ||
|
|
||
| VEGETARIAN = "VEGETARIAN" | ||
| VEGAN = "VEGAN" | ||
| CLASSICS = "CLASSICS" | ||
| PASTA = "PASTA" | ||
| WOK = "WOK" | ||
| PIZZA = "PIZZA" | ||
| BURGER = "BURGER" | ||
| TABLE_DISH = "TABLE_DISH" | ||
|
|
||
| def matches(self, dish: MensaMenu) -> bool: | ||
| """Check if the dish matches the filter.""" | ||
| if self == DishTypeFilter.VEGETARIAN: | ||
| return NutritionFlag.VEGETARIAN in dish.nutrition_flags | ||
| if self == DishTypeFilter.VEGAN: | ||
| return NutritionFlag.VEGAN in dish.nutrition_flags | ||
| if self == DishTypeFilter.CLASSICS: | ||
| return dish.dish_type == DishType.CLASSICS | ||
| if self == DishTypeFilter.PASTA: | ||
| return dish.dish_type == DishType.PASTA | ||
| if self == DishTypeFilter.WOK: | ||
| return dish.dish_type == DishType.WOK | ||
| if self == DishTypeFilter.PIZZA: | ||
| return dish.dish_type in { | ||
| DishType.PIZZA_OF_THE_DAY, | ||
| DishType.PIZZA_CLASSICS, | ||
| } | ||
| if self == DishTypeFilter.BURGER: | ||
| return dish.dish_type in { | ||
| DishType.BURGER_CLASSICS, | ||
| DishType.BURGER_OF_THE_WEEK, | ||
| } | ||
| if self == DishTypeFilter.TABLE_DISH: | ||
| return dish.dish_type in { | ||
| DishType.TABLE_DISH, | ||
| DishType.VEGETARIAN_TABLE_DISH, | ||
| } | ||
| return False | ||
|
|
||
|
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||
| def _get_dish_type_filter_from_request( | ||
| handler_input: HandlerInput, | ||
| ) -> Union[Response, DishTypeFilter]: | ||
| _ = cast( | ||
| I18nFunction, | ||
| handler_input.attributes_manager.request_attributes["_"], | ||
| ) | ||
| dish_types = alexa_slots.get_slot_ids_from_custom_slot(handler_input, "dishType") | ||
| if dish_types is None or len(dish_types) == 0: | ||
| return handler_input.response_builder.speak( | ||
| _("NO_DISH_TYPE_SPECIFIED") | ||
| ).response | ||
|
|
||
| dish_type = next(iter(dish_types)) | ||
| return DishTypeFilter(dish_type) | ||
|
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|
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||
| class GetFilteredMensaOfferingsIntentHandler(IntentHandlerWithMensaAndDate): | ||
| """Handler for GetFilteredMensaOfferingsIntentHandler.""" | ||
|
|
||
| def can_handle(self, handler_input: HandlerInput) -> bool: | ||
| """Overwritten.""" | ||
| return ask_utils.is_intent_name("GetFilteredMensaOfferingsIntentHandler")( | ||
| handler_input | ||
| ) | ||
|
|
||
| def handle_with_mensa_and_date( | ||
| self, | ||
| handler_input: HandlerInput, | ||
| mensa: Mensa, | ||
| date: datetime.date, | ||
| mensa_offerings: MensaDayMenus, | ||
| ) -> Response: | ||
| """Overwritten.""" | ||
| _ = cast( | ||
| I18nFunction, | ||
| handler_input.attributes_manager.request_attributes["_"], | ||
| ) | ||
| response_or_filter = _get_dish_type_filter_from_request(handler_input) | ||
| if isinstance(response_or_filter, Response): | ||
| return response_or_filter | ||
|
|
||
| filtered_dishes = [ | ||
| menu for menu in mensa_offerings.menus if response_or_filter.matches(menu) | ||
| ] | ||
| if len(filtered_dishes) <= 0: | ||
| speak_output = _("FILTERED_DISH_ANNOUNCEMENT_NO_DISHES").format( | ||
| type=_(f"FILTER_{response_or_filter.value}_PLURAL"), | ||
| mensa=_(mensa.mensaId), | ||
| date=date, | ||
| ) | ||
| return handler_input.response_builder.speak(speak_output).response | ||
| elif len(filtered_dishes) == 1: | ||
| speak_output = _("FILTERED_DISH_ANNOUNCEMENT_ONE_DISH").format( | ||
| type=_(f"FILTER_{response_or_filter.value}_SINGLE"), | ||
| mensa=_(mensa.mensaId), | ||
| date=date, | ||
| dish=filtered_dishes[0].generate_full_announcement(_), | ||
| ) | ||
| return handler_input.response_builder.speak(speak_output).response | ||
| else: | ||
| speak_output = _("FILTERED_DISH_ANNOUNCEMENT_MULTIPLE_DISHES").format( | ||
| type=_(f"FILTER_{response_or_filter.value}_PLURAL"), | ||
| mensa=_(mensa.mensaId), | ||
| date=date, | ||
| num=len(filtered_dishes), | ||
| dishes=". ".join( | ||
| map( | ||
| lambda dish: dish.generate_full_announcement(_), filtered_dishes | ||
| ) | ||
| ), | ||
| ) | ||
| return handler_input.response_builder.speak(speak_output).response |
69 changes: 0 additions & 69 deletions
69
...kill/lambda-pdm/src/src/handler/get_vegan_or_vegetarian_mensa_offerings_intent_handler.py
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