homebridge-econet-rheem/dist/homebridge/waterHeaterAccessory.js

Homebridge plugin based on pyeconet for control of Rheem water heaters

import strings from '../lang/en.js';
import { TemperatureUnits } from '../model/constants.js';
import { toCelsius, fromCelsius } from '../tools/temperature.js';
import getVersion from '../tools/version.js';
export class WaterHeaterAccessory {
    platform;
    accessory;
    waterHeater;
    alwaysUseCurrentTemp;
    service;
    Characteristic;
    constructor(platform, accessory, waterHeater, alwaysUseCurrentTemp) {
        this.platform = platform;
        this.accessory = accessory;
        this.waterHeater = waterHeater;
        this.alwaysUseCurrentTemp = alwaysUseCurrentTemp;
        this.Characteristic = platform.api.hap.Characteristic;
        const Service = platform.api.hap.Service;
        this.accessory.getService(Service.AccessoryInformation)
            .setCharacteristic(this.Characteristic.Manufacturer, strings.brand)
            .setCharacteristic(this.Characteristic.Model, strings.waterHeater)
            .setCharacteristic(this.Characteristic.SerialNumber, this.waterHeater.serialNumber)
            .setCharacteristic(this.Characteristic.FirmwareRevision, getVersion());
        this.service = this.accessory.getService(Service.HeaterCooler) ||
            this.accessory.addService(Service.HeaterCooler);
        this.service.setCharacteristic(this.Characteristic.Name, this.waterHeater.deviceName);
        this.service.getCharacteristic(this.Characteristic.StatusFault)
            .onGet(this.getStatusFault.bind(this));
        this.service.getCharacteristic(this.Characteristic.Active)
            .onGet(this.getActive.bind(this))
            .onSet(this.setActive.bind(this));
        this.service.getCharacteristic(this.Characteristic.CurrentHeaterCoolerState)
            .onGet(this.getCurrentState.bind(this));
        this.service.getCharacteristic(this.Characteristic.TargetHeaterCoolerState)
            .setValue(this.Characteristic.TargetHeaterCoolerState.HEAT)
            .setProps({ validValues: [this.Characteristic.TargetHeaterCoolerState.HEAT] })
            .onGet(this.getTargetState.bind(this))
            .onSet(this.setTargetState.bind(this));
        this.service.getCharacteristic(this.Characteristic.CurrentTemperature)
            .onGet(this.getCurrentTemperature.bind(this));
        const minTemp = toCelsius(this.waterHeater.limits[0], this.waterHeater.units);
        const maxTemp = toCelsius(this.waterHeater.limits[1], this.waterHeater.units);
        const setpoint = toCelsius(this.waterHeater.setPoint, this.waterHeater.units);
        this.service.getCharacteristic(this.Characteristic.HeatingThresholdTemperature)
            .setProps({ maxValue: maxTemp, minStep: 0.1 })
            .setValue(setpoint)
            .setProps({ minValue: minTemp })
            .onGet(this.getHeatingThresholdTemperature.bind(this))
            .onSet(this.setHeatingThresholdTemperature.bind(this));
        this.waterHeater.setOnUpdateCallback(this.handleEquipmentUpdate.bind(this));
        this.updateCharacteristics();
    }
    handleEquipmentUpdate(serial) {
        if (serial === this.waterHeater.serialNumber) {
            this.updateCharacteristics();
        }
    }
    updateCharacteristics() {
        this.service.updateCharacteristic(this.Characteristic.StatusFault, this.waterHeater.hasAlert ? this.Characteristic.StatusFault.GENERAL_FAULT : this.Characteristic.StatusFault.NO_FAULT);
        this.service.updateCharacteristic(this.Characteristic.Active, this.waterHeater.isEnabled ? 1 : 0);
        this.service.updateCharacteristic(this.Characteristic.CurrentHeaterCoolerState, this.waterHeater.isRunning ? this.Characteristic.CurrentHeaterCoolerState.HEATING :
            this.Characteristic.CurrentHeaterCoolerState.IDLE);
        this.service.updateCharacteristic(this.Characteristic.TargetHeaterCoolerState, this.Characteristic.TargetHeaterCoolerState.HEAT);
        this.service.updateCharacteristic(this.Characteristic.CurrentTemperature, toCelsius(this.waterHeater.currentTemp(this.inputTemperature), this.waterHeater.units));
        this.service.updateCharacteristic(this.Characteristic.HeatingThresholdTemperature, toCelsius(this.waterHeater.setPoint, this.waterHeater.units));
    }
    async getStatusFault() {
        return this.waterHeater.hasAlert ? this.Characteristic.StatusFault.GENERAL_FAULT : this.Characteristic.StatusFault.NO_FAULT;
    }
    async getActive() {
        return this.waterHeater.isEnabled ? 1 : 0;
    }
    async getCurrentState() {
        return this.waterHeater.isRunning ?
            this.Characteristic.CurrentHeaterCoolerState.HEATING :
            this.Characteristic.CurrentHeaterCoolerState.IDLE;
    }
    async getTargetState() {
        return this.Characteristic.TargetHeaterCoolerState.HEAT;
    }
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    async setTargetState(value) {
        // Always HEAT, no-op for other states
    }
    async getCurrentTemperature() {
        return toCelsius(this.waterHeater.currentTemp(this.inputTemperature), this.waterHeater.units);
    }
    async getHeatingThresholdTemperature() {
        return toCelsius(this.waterHeater.setPoint, this.waterHeater.units);
    }
    async setHeatingThresholdTemperature(value) {
        const setPointC = value;
        const setPointNative = fromCelsius(setPointC, this.waterHeater.units);
        this.waterHeater.setSetPoint(setPointNative);
    }
    async setActive(value) {
        const enabled = value === 1;
        this.waterHeater.setEnabled(enabled);
    }
    get inputTemperature() {
        if (this.alwaysUseCurrentTemp) {
            return null;
        }
        const month = new Date().getMonth();
        // Coldest: Jan, Feb, Dec
        if (month === 0 || month === 1 || month === 11) {
            return this.waterHeater.units === TemperatureUnits.FAHRENHEIT ? 50 : 10;
        }
        // Hottest: Jun, Jul, Aug
        if (month === 5 || month === 6 || month === 7) {
            return this.waterHeater.units === TemperatureUnits.FAHRENHEIT ? 70 : 20;
        }
        // All other months
        return this.waterHeater.units === TemperatureUnits.FAHRENHEIT ? 60 : 15;
    }
}
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