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platformAccessory.ts
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platformAccessory.ts
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Service, PlatformAccessory, CharacteristicValue } from 'homebridge';
import { JuiceBoxHomebridgePlatform } from './platform';
import juicenet from '../third_party/juicenet/juicenet';
/**
* Platform Accessory
* An instance of this class is created for each accessory your platform registers
* Each accessory may expose multiple services of different service types.
*/
export class JuiceBoxPlatformAccessoryHandler {
private pollTimeoutId: NodeJS.Timeout | null = null;
private service: Service;
private loggingService: { addEntry: (arg0: { time: number; power: CharacteristicValue }) => void };
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private state: { temperature?: any; state?: any; target_time?: any; default_target_time?: any; unit_time?: any; charging?: any } = {};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private overrides: { on?: any } = {};
private error: unknown = null;
constructor(
private readonly platform: JuiceBoxHomebridgePlatform,
private readonly accessory: PlatformAccessory,
) {
const Characteristic = platform.Characteristic;
// set accessory information
this.accessory.getService(this.platform.Service.AccessoryInformation)!
.setCharacteristic(Characteristic.Manufacturer, 'Enel X')
.setCharacteristic(Characteristic.Model, 'JuiceBox [Unknown]')
.setCharacteristic(Characteristic.SerialNumber, accessory.context.device.unit_id);
// get the Outlet service if it exists, otherwise create a new Outlet service
// you can create multiple services for each accessory
this.service = this.accessory.getService(this.platform.Service.Outlet) || this.accessory.addService(this.platform.Service.Outlet);
// this.service.addCharacteristic(Characteristic.CurrentTemperature);
// set the service name, this is what is displayed as the default name on the Home app
// in this example we are using the name we stored in the `accessory.context` in the `discoverDevices` method.
this.service.setCharacteristic(Characteristic.Name, accessory.context.device.name);
// each service must implement at-minimum the "required characteristics" for the given service type
// see https://developers.homebridge.io/#/service/Lightbulb
// register handlers for the On/Off Characteristic
this.service.getCharacteristic(Characteristic.On)
.onSet(this.setOn.bind(this))
.onGet(this.getOn.bind(this));
this.service.getCharacteristic(Characteristic.OutletInUse)
.onGet(this.getOutletInUse.bind(this));
this.service.getCharacteristic(this.platform.Volts)
.onGet(this.getVolts.bind(this));
this.service.getCharacteristic(this.platform.Amperes)
.onGet(this.getAmperes.bind(this));
this.service.getCharacteristic(this.platform.Watts)
.onGet(this.getWatts.bind(this));
this.service.getCharacteristic(this.platform.KilowattHours)
.onGet(this.getKilowattHours.bind(this));
// this.service.getCharacteristic(this.platform.VoltAmperes)
// .onGet(this.getVoltAmperes.bind(this));
// this.service.getCharacteristic(this.platform.KilowattVoltAmpereHour)
// .onGet(this.getKilowattVoltAmpereHour.bind(this));
this.service.getCharacteristic(Characteristic.CurrentTemperature)
.onGet(this.getCurrentTemperature.bind(this));
// built in timer never starts?
this.loggingService = new this.platform.FakeGatoHistoryService(
'energy', accessory, { size: 120960, disableTimer: true, storage: 'fs', log: this.platform.log });
// this.platform.api['globalFakeGatoTimer'].start();
this.pausePolling(0); // start polling
}
private pausePolling(ms = 1000) {
this.pollTimeoutId && clearTimeout(this.pollTimeoutId);
this.pollTimeoutId = setTimeout(() => {
this.pausePolling(10000);
this.poll();
}, ms);
}
private async poll() {
this.platform.log.debug('Polling...');
try {
const startPollTimeoutId = this.pollTimeoutId;
const { chargerState } =
await this.handleJuiceNetErrors(juicenet.getDeviceStateAsync(this.platform.config.apiToken, this.accessory.context.device.token));
if (startPollTimeoutId !== this.pollTimeoutId) {
return; // ignore if polling was deferred
}
this.platform.log.debug('Updating from poll...');
this.platform.log.debug(JSON.stringify(chargerState));
if (chargerState.state === 'error' || chargerState.state === 'disconnect') {
throw new Error('chargerState.state = ' + chargerState.state);
}
this.state = chargerState;
this.error = null;
this.overrides = {};
// this does not work dynamically:
// this.service.getCharacteristic(this.platform.Characteristic.On).setProps({
// perms: chargerState.state === 'standby'
// ? [Perms.PAIRED_READ, Perms.NOTIFY] : [Perms.PAIRED_WRITE, Perms.PAIRED_READ, Perms.NOTIFY],
// });
this.service.updateCharacteristic(this.platform.Characteristic.On, await this.getOn());
this.service.updateCharacteristic(this.platform.Characteristic.OutletInUse, await this.getOutletInUse());
this.service.updateCharacteristic(this.platform.Volts, await this.getVolts());
this.service.updateCharacteristic(this.platform.Amperes, await this.getAmperes());
this.service.updateCharacteristic(this.platform.Watts, await this.getWatts());
this.service.updateCharacteristic(this.platform.KilowattHours, await this.getKilowattHours());
// this.service.updateCharacteristic(this.platform.VoltAmperes, await this.getVoltAmperes());
// this.service.updateCharacteristic(this.platform.KilowattVoltAmpereHour, await this.getKilowattVoltAmpereHour());
this.service.updateCharacteristic(this.platform.Characteristic.CurrentTemperature, await this.getCurrentTemperature());
this.loggingService.addEntry({ time: Math.round(new Date().valueOf() / 1000), power: await this.getWatts() });
} catch (e) {
this.platform.log.error('' + e);
this.state = {};
this.error = e;
this.overrides = {};
}
}
private async handleJuiceNetErrors(promise) {
let ret;
try {
ret = await promise;
} catch (e) {
this.platform.log.error('' + e);
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
if (!ret.response.body.success) {
this.platform.log.error(ret.response.body);
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
return ret;
}
/**
* Handle "SET" requests from HomeKit
* These are sent when the user changes the state of an accessory, for example, turning on a Light bulb.
*/
async setOn(value: CharacteristicValue) {
// todo: handle setting errors in http and in chargerState.success
this.platform.log.debug('Set Characteristic On ->', value, typeof value);
// todo: how to handle feedback for when car not plugged in
this.pausePolling(30 * 1000);
await this.poll();
// can't turn on a charger that isn't plugged in
if (this.error || (value && this.state.state === 'standby')) {
this.platform.log.debug('...rejecting set');
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
this.overrides.on = value;
if (value) {
const { response } =
await this.handleJuiceNetErrors(juicenet.startChargingAsync(this.platform.config.apiToken, this.accessory.context.device.token));
this.platform.log.debug(response.body);
} else {
const { response } =
await this.handleJuiceNetErrors(juicenet.stopChargingAsync(this.platform.config.apiToken, this.accessory.context.device.token));
this.platform.log.debug(response.body);
}
// set seems to take ~30+=10s to "take" during which it shows the old state (for some state transitions)
// this may be related to the device's update interval?
// todo: this might be even longer for turning off while charging?
this.pausePolling(30 * 1000);
}
/**
* Handle the "GET" requests from HomeKit
* These are sent when HomeKit wants to know the current state of the accessory, for example, checking if a Light bulb is on.
*
* GET requests should return as fast as possible. A long delay here will result in
* HomeKit being unresponsive and a bad user experience in general.
*
* If your device takes time to respond you should update the status of your device
* asynchronously instead using the `updateCharacteristic` method instead.
* @example
* this.service.updateCharacteristic(this.platform.Characteristic.On, true)
*/
async getOn(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
if (this.overrides.on) {
const isOn = this.overrides.on;
this.platform.log.debug('Get Characteristic On (override) ->', isOn);
return isOn;
}
// Also show On for a plugged in car that is fully charged
// todo: verify this in the TOU timeframe
const isOn = this.state.state === 'charging'
|| (
this.state.state === 'plugged'
&& this.state.target_time === this.state.default_target_time && this.state.unit_time >= this.state.default_target_time
);
this.platform.log.debug('Get Characteristic On ->', isOn);
// TODO; handle other states
return isOn;
}
async getOutletInUse(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const OutletInUse = this.state.state === 'charging' || this.state.state === 'plugged';
this.platform.log.debug('Get Characteristic OutletInUse ->', OutletInUse);
return OutletInUse;
}
async getVolts(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const volts = this.state.charging.voltage;
this.platform.log.debug('Get Characteristic Volts ->', volts);
return volts;
}
async getAmperes(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const amps = this.state.charging.amps_current;
this.platform.log.debug('Get Characteristic Amperes ->', amps);
return amps;
}
async getWatts(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const value = this.state.charging.watt_power;
this.platform.log.debug('Get Characteristic Watts ->', value);
return value;
}
async getKilowattHours(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const value = this.state.charging.wh_energy / 1000;
this.platform.log.debug('Get Characteristic KilowattHours ->', value);
return value;
}
async getCurrentTemperature(): Promise<CharacteristicValue> {
if (this.error) {
throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
}
const value = this.state.temperature;
this.platform.log.debug('Get Characteristic CurrentTemperature ->', value);
return value;
}
// async getVoltAmperes(): Promise<CharacteristicValue> {
// if (this.error) {
// throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
// }
// const value = 0;
// this.platform.log.debug('Get Characteristic VoltAmperes ->', value);
// return value;
// }
// async getKilowattVoltAmpereHour(): Promise<CharacteristicValue> {
// if (this.error) {
// throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
// }
// const value = 0;
// this.platform.log.debug('Get Characteristic KilowattVoltAmpereHour ->', value);
// return value;
// }
}