Home Assistant Skill: index.js hinzufügen (GetTemperatureIntent)
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const Alexa = require('ask-sdk-core');
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const https = require('https');
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// ---- Konfiguration ----
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// Werte kommen aus der .env-Datei im selben Verzeichnis (siehe unten)
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require('dotenv').config();
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const HA_URL = process.env.HA_URL; // z.B. "https://haos.vogt.de.com"
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const HA_TOKEN = process.env.HA_TOKEN; // Long-Lived Access Token aus HA
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// Raum-ID (aus dem RoomList Slot) -> climate Entity-ID in Home Assistant
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const roomToClimateEntity = {
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badezimmer: 'climate.badezimmer_heizungssteuerung',
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kinderzimmer: 'climate.kinderzimmer_heizungssteuerung',
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kueche: 'climate.kueche_heizungssteuerung',
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schlafzimmer: 'climate.schlafzimmer_heizungssteuerung',
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wohnzimmer: 'climate.wohnzimmer_heizungssteuerung',
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// diele, gaeste_wc, balkon_hinten, balkon_vorne, kammer: kein Sensor vorhanden
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};
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// Hilfsfunktion: HA REST API abfragen
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function getHaState(entityId) {
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return new Promise((resolve, reject) => {
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const url = new URL(`${HA_URL}/api/states/${entityId}`);
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const options = {
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hostname: url.hostname,
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path: url.pathname,
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method: 'GET',
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headers: {
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Authorization: `Bearer ${HA_TOKEN}`,
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'Content-Type': 'application/json',
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},
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};
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const req = https.request(options, (res) => {
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let data = '';
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res.on('data', (chunk) => (data += chunk));
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res.on('end', () => {
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if (res.statusCode !== 200) {
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reject(new Error(`HA API Fehler: ${res.statusCode} - ${data}`));
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return;
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}
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try {
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resolve(JSON.parse(data));
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} catch (e) {
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reject(e);
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}
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});
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});
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req.on('error', reject);
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req.end();
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});
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}
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const LaunchRequestHandler = {
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canHandle(handlerInput) {
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return Alexa.getRequestType(handlerInput.requestEnvelope) === 'LaunchRequest';
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},
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handle(handlerInput) {
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const speakOutput = 'Willkommen beim Hausassistent. Du kannst mich zum Beispiel fragen, wie warm es in einem Raum ist.';
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return handlerInput.responseBuilder
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.speak(speakOutput)
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.reprompt(speakOutput)
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.getResponse();
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},
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};
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const GetTemperatureIntentHandler = {
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canHandle(handlerInput) {
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return (
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Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest' &&
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Alexa.getIntentName(handlerInput.requestEnvelope) === 'GetTemperatureIntent'
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);
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},
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async handle(handlerInput) {
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const slots = handlerInput.requestEnvelope.request.intent.slots;
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const roomSlot = slots.Room;
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// Die ID und den sauberen Namen aus dem Slot Type RoomList holen
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// (nicht den roh gesprochenen Text, der z.B. "wohnzimmer ist" statt "wohnzimmer" sein kann)
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const resolvedValue = roomSlot?.resolutions?.resolutionsPerAuthority?.[0]?.values?.[0]?.value;
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const roomId = resolvedValue?.id;
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const roomNameSpoken = resolvedValue?.name || roomSlot?.value || 'diesem Raum';
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if (!roomId) {
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return handlerInput.responseBuilder
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.speak(`Ich kenne den Raum ${roomNameSpoken} leider nicht. Bitte versuch es mit einem anderen Raumnamen.`)
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.reprompt('Für welchen Raum möchtest du die Temperatur wissen?')
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.getResponse();
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}
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const entityId = roomToClimateEntity[roomId];
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if (!entityId) {
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return handlerInput.responseBuilder
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.speak(`Für ${roomNameSpoken} habe ich leider keinen Temperatursensor.`)
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.getResponse();
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}
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try {
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const state = await getHaState(entityId);
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const currentTemp = state.attributes?.current_temperature;
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if (currentTemp === undefined || currentTemp === null) {
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return handlerInput.responseBuilder
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.speak(`Ich konnte die aktuelle Temperatur für ${roomNameSpoken} nicht auslesen.`)
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.getResponse();
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}
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const speakOutput = `Die Temperatur im ${roomNameSpoken} beträgt ${currentTemp} Grad.`;
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return handlerInput.responseBuilder.speak(speakOutput).getResponse();
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} catch (err) {
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console.error('HA API Fehler:', err);
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return handlerInput.responseBuilder
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.speak('Ich konnte gerade keine Verbindung zu Home Assistant herstellen. Bitte versuch es später noch einmal.')
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.getResponse();
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}
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},
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};
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const HelpIntentHandler = {
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canHandle(handlerInput) {
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return (
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Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest' &&
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Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.HelpIntent'
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);
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},
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handle(handlerInput) {
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const speakOutput = 'Du kannst mich zum Beispiel fragen: wie warm ist es im Wohnzimmer.';
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return handlerInput.responseBuilder.speak(speakOutput).reprompt(speakOutput).getResponse();
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},
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};
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const CancelAndStopIntentHandler = {
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canHandle(handlerInput) {
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return (
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Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest' &&
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(Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.CancelIntent' ||
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Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.StopIntent')
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);
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},
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handle(handlerInput) {
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const speakOutput = 'Bis bald!';
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return handlerInput.responseBuilder.speak(speakOutput).getResponse();
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},
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};
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const FallbackIntentHandler = {
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canHandle(handlerInput) {
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return (
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Alexa.getRequestType(handlerInput.requestEnvelope) === 'IntentRequest' &&
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Alexa.getIntentName(handlerInput.requestEnvelope) === 'AMAZON.FallbackIntent'
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);
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},
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handle(handlerInput) {
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const speakOutput = 'Das habe ich nicht verstanden. Du kannst mich zum Beispiel fragen, wie warm es im Wohnzimmer ist.';
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return handlerInput.responseBuilder.speak(speakOutput).reprompt(speakOutput).getResponse();
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},
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};
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const SessionEndedRequestHandler = {
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canHandle(handlerInput) {
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return Alexa.getRequestType(handlerInput.requestEnvelope) === 'SessionEndedRequest';
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},
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handle(handlerInput) {
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return handlerInput.responseBuilder.getResponse();
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},
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};
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const ErrorHandler = {
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canHandle() {
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return true;
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},
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handle(handlerInput, error) {
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console.error(`~~~~ Error handled: ${error.stack}`);
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const speakOutput = 'Entschuldigung, da ist etwas schiefgelaufen. Bitte versuch es noch einmal.';
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return handlerInput.responseBuilder.speak(speakOutput).reprompt(speakOutput).getResponse();
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},
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};
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exports.handler = Alexa.SkillBuilders.custom()
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.addRequestHandlers(
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LaunchRequestHandler,
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GetTemperatureIntentHandler,
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HelpIntentHandler,
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CancelAndStopIntentHandler,
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FallbackIntentHandler,
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SessionEndedRequestHandler
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)
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.addErrorHandlers(ErrorHandler)
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.lambda();
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