homebridge-rachio-irrigation/dist/devices/battery.js

Rachio Irrigation System platform plugin for [Homebridge](https://github.com/nfarina/homebridge).

import RachioAPI from '../rachioapi.js';
export default class battery {
    platform;
    log;
    rachioapi;
    Service;
    Characteristic;
    delta;
    timeStamp;
    devices;
    constructor(platform, log = platform.log, rachioapi = new RachioAPI(platform)) {
        this.platform = platform;
        this.log = log;
        this.rachioapi = rachioapi;
        this.Service = platform.Service;
        this.Characteristic = platform.Characteristic;
        this.timeStamp = [];
        this.delta = [];
        this.devices = [];
    }
    createBatteryService(device) {
        this.log.debug(`create battery service for ${device.name}`);
        const batteryStatus = new this.Service.Battery(device.name, device.id);
        switch (device.state.reportedState.batteryStatus) {
            case 'GOOD':
                batteryStatus
                    .setCharacteristic(this.Characteristic.StatusLowBattery, this.Characteristic.StatusLowBattery.BATTERY_LEVEL_NORMAL)
                    .setCharacteristic(this.Characteristic.ChargingState, this.Characteristic.ChargingState.NOT_CHARGEABLE)
                    .setCharacteristic(this.Characteristic.BatteryLevel, 100);
                break;
            case 'LOW':
                batteryStatus
                    .setCharacteristic(this.Characteristic.StatusLowBattery, this.Characteristic.StatusLowBattery.BATTERY_LEVEL_LOW)
                    .setCharacteristic(this.Characteristic.ChargingState, this.Characteristic.ChargingState.NOT_CHARGEABLE)
                    .setCharacteristic(this.Characteristic.BatteryLevel, 40);
                break;
            case 'REPLACE':
                batteryStatus
                    .setCharacteristic(this.Characteristic.StatusLowBattery, this.Characteristic.StatusLowBattery.BATTERY_LEVEL_LOW)
                    .setCharacteristic(this.Characteristic.ChargingState, this.Characteristic.ChargingState.NOT_CHARGEABLE)
                    .setCharacteristic(this.Characteristic.BatteryLevel, 10);
                this.log.warn(`Replace batteries for ${device.name} soon`);
                break;
        }
        return batteryStatus;
    }
    configureBatteryService(batteryStatus) {
        this.log.debug(`configured battery service for ${batteryStatus.getCharacteristic(this.Characteristic.Name).value}`);
        this.devices.push(batteryStatus);
        batteryStatus.getCharacteristic(this.Characteristic.StatusLowBattery)
            .onGet(this.getStatusLowBattery.bind(this, batteryStatus));
    }
    getStatusLowBattery(batteryStatus) {
        const index = this.devices.findIndex(device => device.subtype === batteryStatus.subtype);
        const currentValue = batteryStatus.getCharacteristic(this.Characteristic.StatusLowBattery).value;
        //set new timestamp
        if (!this.timeStamp[index]) {
            this.timeStamp[index] = +new Date();
        }
        //check for duplicate call
        this.delta[index] = new Date().valueOf() - this.timeStamp[index];
        if (this.delta[index] > 60 * 60 * 1000 || this.delta[index] == 0) { // check after 1 hour
            this.timeStamp[index] = +new Date();
            this.updateBatteryStatus(batteryStatus, index);
        }
        else {
            this.log.debug(`skipped battery update, to soon. timestamp delta ${this.delta[index] / 1000} sec`);
        }
        return currentValue;
    }
    async updateBatteryStatus(batteryStatus, index) {
        // add charging state and level to this call
        try {
            this.log.debug(`updating battery for valve index ${index}`);
            const response = await this.rachioapi.getValve(this.platform.token, this.devices[index].subtype).catch(err => {
                throw (`Failed to get valve battery status ${err}`);
            });
            if (response?.status == 200) {
                switch (response.data.valve.state.reportedState.batteryStatus) {
                    case 'GOOD':
                        batteryStatus.getCharacteristic(this.Characteristic.StatusLowBattery).updateValue(this.Characteristic.StatusLowBattery.BATTERY_LEVEL_NORMAL);
                        batteryStatus.getCharacteristic(this.Characteristic.ChargingState).updateValue(this.Characteristic.ChargingState.NOT_CHARGEABLE);
                        batteryStatus.getCharacteristic(this.Characteristic.BatteryLevel).updateValue(100);
                        break;
                    case 'LOW':
                        batteryStatus.getCharacteristic(this.Characteristic.StatusLowBattery).updateValue(this.Characteristic.StatusLowBattery.BATTERY_LEVEL_LOW);
                        batteryStatus.getCharacteristic(this.Characteristic.ChargingState).updateValue(this.Characteristic.ChargingState.NOT_CHARGEABLE);
                        batteryStatus.getCharacteristic(this.Characteristic.BatteryLevel).updateValue(40);
                        break;
                    case 'REPLACE':
                        batteryStatus.getCharacteristic(this.Characteristic.StatusLowBattery).updateValue(this.Characteristic.StatusLowBattery.BATTERY_LEVEL_LOW);
                        batteryStatus.getCharacteristic(this.Characteristic.ChargingState).updateValue(this.Characteristic.ChargingState.NOT_CHARGEABLE);
                        batteryStatus.getCharacteristic(this.Characteristic.BatteryLevel).updateValue(10);
                        this.log.warn(`Replace batteries for ${response.data.valve.name} soon`);
                        break;
                }
            }
        }
        catch (err) {
            this.log.error(`Error trying to update battery status ${err}`);
        }
    }
}
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