針對智慧型住宅動作啟用本地執行要求

npm install -g firebase-tools

firebase --version

firebase login

git clone https://github.com/google-home/smarthome-local.git

cd app-start
firebase use <project-id>

firebase init

? Which Firebase CLI features do you want to set up for this directory? Press Space to select features, then
 Enter to confirm your choices.
❯◉ Realtime Database: Configure a security rules file for Realtime Database and (optionally) provision default instance
 ◯ Firestore: Configure security rules and indexes files for Firestore
 ◉ Functions: Configure a Cloud Functions directory and its files
 ◉ Hosting: Configure files for Firebase Hosting and (optionally) set up GitHub Action deploys
 ◯ Hosting: Set up GitHub Action deploys
 ◯ Storage: Configure a security rules file for Cloud Storage
 ◯ Emulators: Set up local emulators for Firebase products
 ◯ Remote Config: Configure a template file for Remote Config
 ◯ Extensions: Set up an empty Extensions manifest

? It seems like you haven't initialized Realtime Database in your project yet. Do you want to set it up?
Yes

? Please choose the location for your default Realtime Database instance:
us-central1

? File database.rules.json already exists. Do you want to overwrite it with the Realtime Database Security Rules for <project-ID>-default-rtdb from the Firebase Console?
No

? Would you like to initialize a new codebase, or overwrite an existing one?
Overwrite

? What language would you like to use to write Cloud Functions?
JavaScript

? Do you want to use ESLint to catch probable bugs and enforce style?
No

? File functions/package.json already exists. Overwrite?
No

? File functions/index.js already exists. Overwrite?
No

? File functions/.gitignore already exists. Overwrite?
No

? Do you want to install dependencies with npm now?
Yes

? What do you want to use as your public directory?
public

? Configure as a single-page app (rewrite all urls to /index.html)?
Yes

? Set up automatic builds and deploys with GitHub?
No

? File public/index.html already exists. Overwrite?
 No

cp -vp ../washer-done/firebase.json .

firebase deploy

...

✔ Deploy complete!

Project Console: https://console.firebase.google.com/project/<project-id>/overview
Hosting URL: https://<project-id>.web.app

app.onSync((body) => {
  return {
    requestId: body.requestId,
    payload: {
      agentUserId: '123',
      devices: [{
        id: 'washer',
        type: 'action.devices.types.WASHER',
        traits: [ ... ],
        name: { ... },
        deviceInfo: { ... },
        willReportState: true,
        attributes: {
          pausable: true,
        },
        otherDeviceIds: [{
          deviceId: 'deviceid123',
        }],
      }],
    },
  };
});

firebase deploy --only functions

/// <reference types="@google/local-home-sdk" />

import App = smarthome.App;
import Constants = smarthome.Constants;
import DataFlow = smarthome.DataFlow;
import Execute = smarthome.Execute;
import Intents = smarthome.Intents;
import IntentFlow = smarthome.IntentFlow;

...

class LocalExecutionApp {

  constructor(private readonly app: App) { }

  identifyHandler(request: IntentFlow.IdentifyRequest):
      Promise<IntentFlow.IdentifyResponse> {
    // TODO: Implement device identification
  }

  executeHandler(request: IntentFlow.ExecuteRequest):
      Promise<IntentFlow.ExecuteResponse> {
    // TODO: Implement local fulfillment
  }

  ...
}

const localHomeSdk = new App('1.0.0');
const localApp = new LocalExecutionApp(localHomeSdk);
localHomeSdk
  .onIdentify(localApp.identifyHandler.bind(localApp))
  .onExecute(localApp.executeHandler.bind(localApp))
  .listen()
  .then(() => console.log('Ready'))
  .catch((e: Error) => console.error(e));

identifyHandler(request: IntentFlow.IdentifyRequest):
    Promise<IntentFlow.IdentifyResponse> {
  console.log("IDENTIFY intent: " + JSON.stringify(request, null, 2));

  const scanData = request.inputs[0].payload.device.udpScanData;
  if (!scanData) {
    const err = new IntentFlow.HandlerError(request.requestId,
        'invalid_request', 'Invalid scan data');
    return Promise.reject(err);
  }

  // In this codelab, the scan data contains only local device id.
  const localDeviceId = Buffer.from(scanData.data, 'hex');

  const response: IntentFlow.IdentifyResponse = {
    intent: Intents.IDENTIFY,
    requestId: request.requestId,
    payload: {
      device: {
        id: 'washer',
        verificationId: localDeviceId.toString(),
      }
    }
  };
  console.log("IDENTIFY response: " + JSON.stringify(response, null, 2));

  return Promise.resolve(response);
}

executeHandler(request: IntentFlow.ExecuteRequest):
    Promise<IntentFlow.ExecuteResponse> {
  console.log("EXECUTE intent: " + JSON.stringify(request, null, 2));

  const command = request.inputs[0].payload.commands[0];
  const execution = command.execution[0];
  const response = new Execute.Response.Builder()
    .setRequestId(request.requestId);

  const promises: Array<Promise<void>> = command.devices.map((device) => {
    console.log("Handling EXECUTE intent for device: " + JSON.stringify(device));

    // Convert execution params to a string for the local device
    const params = execution.params as IWasherParams;
    const payload = this.getDataForCommand(execution.command, params);

    // Create a command to send over the local network
    const radioCommand = new DataFlow.HttpRequestData();
    radioCommand.requestId = request.requestId;
    radioCommand.deviceId = device.id;
    radioCommand.data = JSON.stringify(payload);
    radioCommand.dataType = 'application/json';
    radioCommand.port = SERVER_PORT;
    radioCommand.method = Constants.HttpOperation.POST;
    radioCommand.isSecure = false;

    console.log("Sending request to the smart home device:", payload);

    return this.app.getDeviceManager()
      .send(radioCommand)
      .then(() => {
        const state = {online: true};
        response.setSuccessState(device.id, Object.assign(state, params));
        console.log(`Command successfully sent to ${device.id}`);
      })
      .catch((e: IntentFlow.HandlerError) => {
        e.errorCode = e.errorCode || 'invalid_request';
        response.setErrorState(device.id, e.errorCode);
        console.error('An error occurred sending the command', e.errorCode);
      });
  });

  return Promise.all(promises)
    .then(() => {
      return response.build();
    })
    .catch((e) => {
      const err = new IntentFlow.HandlerError(request.requestId,
          'invalid_request', e.message);
      return Promise.reject(err);
    });
}

cd local
npm install
npm run build

firebase deploy --only hosting

cd virtual-device
npm install
npm start -- \
  --deviceId=deviceid123 --projectId=<project-id> \
  --discoveryPortOut=3311 --discoveryPacket=HelloLocalHomeSDK

(...): UDP Server listening on 3311
(...): Device listening on port 3388
(...): Report State successful

...
***** The washer is RUNNING *****
...
***** The washer is STOPPED *****