Alexa Skill: возможно ли, чтобы Alexa воспроизводила .mp3 из консоли разработчика Alexa — Alexa Hosted?

Я пытаюсь создать навык для Alexa, который воспроизводит файлы .mp3 в зависимости от категории выбранного мной tg. Я заявляю, что никогда не использовал node.js и что я смотрел курс о том, как создать навык Alexa. До сих пор я создал скелет навыка и создал файл database.json, который содержит различные категории новостей с прикрепленными ссылками.

ИНДЕКС.JS

const Alexa = require('ask-sdk-core');
const database = require('./database'); 

function getCategoryStreamUrl(name) { 
    let category = database.find(e => e.name === name);
    if (category !== null && category !== undefined) {
        return category.StreamUrl;
    } else {
        return "";
    }
}

function getCategoryUpdateDate(name) { 
    let category = database.find(e => e.name === name);
    if (category !== null && category !== undefined) {
        return category.UpdateDate;
    } else {
        return "";
    }
}

const LaunchRequestHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'LaunchRequest';
    },
    handle(handlerInput) {
        const speakOutput = 'Welcome, with this skill you can listen to our TG. You can choose a category or say Help.';
        const repromptOutput = 'You can choose a category or say Help. What do you want to do?'
        return handlerInput.responseBuilder
            .speak(speakOutput)
            .reprompt(repromptOutput)
            .getResponse();
    }
};
const ScegliCategoriaIntentHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest'
            && Alexa.getIntentName(handlerInput.requestEnvelope) === 'ScegliCategoriaIntent';
    },
    handle(handlerInput) {
        const speakOutput = 'The TGs available are: Political, Lazio, Environment, Health, School, Pediatrics, Rehabilitation, Agriculture, Psychology and Youth. Which do you want to hear?'
        return handlerInput.responseBuilder
            .speak(speakOutput)
            .reprompt(repromptOutput)
            .getResponse();
    }
};
 const CategoriaIntentHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest'
            && Alexa.getIntentName(handlerInput.requestEnvelope) === 'CategoriaIntent';
    },
    handle(handlerInput) {
        const filledSlots = handlerInput.requestEnvelope.request.intent.slots;
        const slotValues = getSlotValues(filledSlots);

        console.log("CategoriaIntentHandler >>>>>>>>>>>>>>>>");
        console.log(slotValues);

        const categoryName = slotValues["category"].synonym
        const categoryStreamUrl = getCategoryStreamUrl(categoryName);
        const categoryUpdateDate = getCategoryUpdateDate(categoryName);

        var speakOutput = "";
        if (categoryStreamUrl !== "") {
            speakOutput = "You have chosen the TG " + categoryName + ". The TG was updated on " + categoryUpdateDate + ". " + categoryStreamUrl + ". If you want to hear other news, name another TG or you can say STOP to close this skill.";
        } else {
            speakOutput = "I'm sorry, the selected TG is not available. You can say the name of another TG or 'categories' to hear the list of available categories. What do you want to do?";
        }

        return handlerInput.responseBuilder
            .speak(speakOutput)
            .reprompt("If you want to hear more news, say the name of another TG. You can say 'categories' to listen to the list of available categories or you can say STOP to close this skill. What do you want to do?")
            .getResponse();
    }
};
const HelpIntentHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest'
            && Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.HelpIntent';
    },
    handle(handlerInput) {
        const speakOutput = "You can say 'categories' to listen to the list of available categories or you can say STOP to close this skill. What do you want to do?";
        const repromptOutput = "If you want to stop listening, say STOP."

        return handlerInput.responseBuilder
            .speak(speakOutput)
            .reprompt(repromptOutput)
            .getResponse();
    }
};
const CancelAndStopIntentHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest'
            && (Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.CancelIntent'
                || Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.StopIntent');
    },
    handle(handlerInput) {
        const speakOutput = "Goodbye!";
        return handlerInput.responseBuilder
            .speak(speakOutput)
            .getResponse();
    }
};
const SessionEndedRequestHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'SessionEndedRequest';
    },
    handle(handlerInput) {
        // Any cleanup logic goes here.
        return handlerInput.responseBuilder.getResponse();
    }
};

// The intent reflector is used for interaction model testing and debugging.
// It will simply repeat the intent the user said. You can create custom handlers
// for your intents by defining them above, then also adding them to the request
// handler chain below.
const IntentReflectorHandler = {
    canHandle(handlerInput) {
        return Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest';
    },
    handle(handlerInput) {
        const intentName = Alexa.getIntentName(handlerInput.requestEnvelope);
        const speakOutput = `You just triggered ${intentName}`;

        return handlerInput.responseBuilder
            .speak(speakOutput)
            //.reprompt('add a reprompt if you want to keep the session open for the user to respond')
            .getResponse();
    }
};

// Generic error handling to capture any syntax or routing errors. If you receive an error
// stating the request handler chain is not found, you have not implemented a handler for
// the intent being invoked or included it in the skill builder below.
const ErrorHandler = {
    canHandle() {
        return true;
    },
    handle(handlerInput, error) {
        console.log(`~~~~ Error handled: ${error.stack}`);
        const speakOutput = `I'm sorry I did not understand. Say 'Help' to know the available commands.`;

        return handlerInput.responseBuilder
            .speak(speakOutput)
            .reprompt(speakOutput)
            .getResponse();
    }
};

function getSlotValues (filledSlots) {

    let slotValues = {}; //

    console.log('The filled slots: ' + JSON.stringify(filledSlots));
    Object.keys(filledSlots).forEach(function(item) {

    var name = filledSlots[item].name;

    if(filledSlots[item]&&
        filledSlots[item].resolutions &&
        filledSlots[item].resolutions.resolutionsPerAuthority[0] &&
        filledSlots[item].resolutions.resolutionsPerAuthority[0].status &&
        filledSlots[item].resolutions.resolutionsPerAuthority[0].status.code ) {

        switch (filledSlots[item].resolutions.resolutionsPerAuthority[0].status.code) {
            case "ER_SUCCESS_MATCH": 
                slotValues[name] = {
                    "synonym": filledSlots[item].value,
                    "resolved": filledSlots[item].resolutions.resolutionsPerAuthority[0].values[0].value.name,
                    "isValidated": true
                };
                break;
            case "ER_SUCCESS_NO_MATCH": 
                slotValues[name] = {
                    "synonym": filledSlots[item].value,
                    "resolved": filledSlots[item].value,
                    "isValidated":false
                };
                break;
            }
        } else { 
            slotValues[name] = {
                "synonym": filledSlots[item].value,
                "resolved": filledSlots[item].value,
                "isValidated": false
            };
        }
    },this);
    return slotValues;
}

// The SkillBuilder acts as the entry point for your skill, routing all request and response
// payloads to the handlers above. Make sure any new handlers or interceptors you've
// defined are included below. The order matters - they're processed top to bottom.
exports.handler = Alexa.SkillBuilders.custom()
    .addRequestHandlers(
        LaunchRequestHandler,
        ScegliCategoriaIntentHandler,
        CategoriaIntentHandler,
        HelpIntentHandler,
        CancelAndStopIntentHandler,
        SessionEndedRequestHandler,
        IntentReflectorHandler, // make sure IntentReflectorHandler is last so it doesn't override your custom intent handlers
    )
    .addErrorHandlers(
        ErrorHandler,
    )
    .lambda();

БАЗА ДАННЫХ.JSON

[
    {
        "uid":"ID",
        "updateDate": "DATA",
        "name": "NAME SLOT",
        "titleText": "TG 01",
        "mainText":"",
        "streamUrl":"https://www.mysite.it/tg.mp3",
        "redirectionUrl":"https://www.mysite.it/category/tg"
          },
    {
        etc_01
        },
{
        etc_02
        },
{
        etc_03
        },
]

Проблема в том, что теперь это не работает, на самом деле, когда я прошу Алексу назвать мне TG 01, она говорит мне:

«Вы выбрали TG 01. TG был обновлен на неопределенный. Неопределенный. другой TG, или вы можете сказать СТОП, чтобы закрыть этот навык».

Короче говоря, он не распознает categoryUpdateDate или categoryStreamUrl.

Что мне нужно сделать, чтобы это исправить?


person Giulia Turco    schedule 03.12.2019    source источник


Ответы (1)


Вы возвращаете неверные данные в обеих функциях:

они должны быть: category.updateDate и category.streamUrl, потому что вы читаете файл JSON. (можно прочитать это руководство, чтобы лучше понять как читать и получать доступ к свойствам JSON и т.д..)

function getCategoryStreamUrl(name) { 
    let category = database.find(e => e.name === name);
    if (category !== null && category !== undefined) {
        return category.streamUrl;
    } else {
        return "";
    }
}

function getCategoryUpdateDate(name) { 
    let category = database.find(e => e.name === name);
    if (category !== null && category !== undefined) {
        return category.updateDate;
    } else {
        return "";
    }
}
person Margon    schedule 03.12.2019