homebridge-iammeter-accessory/dist/accessory.js

An iammeter accessory plugin for homebridge written in Typescript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
const node_fetch_1 = __importDefault(require("node-fetch"));
let hap;
class Meter {
    constructor(log, config, api) {
        this.switchOn = false;
        this.log = log;
        this.name = config.name;
        this.ip = config.ip;
        this.username = config.username || 'admin'; // Default Value 'admin''
        this.password = config.password || 'admin'; // Default Value 'admin'
        this.pollInterval = config.pollInterval || 120; // Default Value 120s
        this.onThreashold = config.onThreashold || -2000; // Default Value -2000 Watts
        this.offThreashold = config.offThreashold || 0; // Default Value 0 Watts
        console.log('Name: ', this.name);
        console.log('IP address: ', this.ip);
        console.log('Username: ', this.username);
        console.log('Password: ', this.password);
        console.log('Polling Interval: ', this.pollInterval);
        console.log('On Threashold: ', this.onThreashold);
        console.log('Off Threashold: ', this.offThreashold);
        // Config error checking
        if (this.onThreashold > this.offThreashold) { // Confirm on threashold is less than off threashold 
            console.log('ERROR - On Threashold > Off Threashold');
            // Should Stop Plug-in
        }
        // Check for mandatory fields
        this.switchService = new hap.Service.Switch(this.name);
        this.switchService.getCharacteristic(hap.Characteristic.On)
            .on("get" /* GET */, (callback) => {
            log.info("Current state of the switch was returned: " + (this.switchOn ? "ON" : "OFF"));
            callback(undefined, this.switchOn);
        })
            .on("set" /* SET */, (value, callback) => {
            this.switchOn = value;
            log.info("Switch state was set to: " + (this.switchOn ? "ON" : "OFF"));
            callback();
        });
        this.informationService = new hap.Service.AccessoryInformation()
            .setCharacteristic(hap.Characteristic.Manufacturer, "Custom Manufacturer")
            .setCharacteristic(hap.Characteristic.Model, "Custom Model");
        log.info("Switch finished initializing!");
        setInterval(() => {
            console.log('Request Energy Meter Data');
            this.meterGet(this.ip, this.username, this.password).then((value) => {
                console.log('');
                console.log('Accessory Voltage:', value.Data[0]);
                console.log('Current:', value.Data[1]);
                console.log('Active Power:', value.Data[2]);
                console.log('Import Power:', value.Data[3]);
                console.log('Export Power:', value.Data[4]);
                console.log('IP address: ', this.ip);
                if (value.Data[2] < this.onThreashold) {
                    this.switchOn = true;
                    console.log('Meter reading is less than ', this.onThreashold, ' - switch on');
                }
                if (value.Data[2] > this.offThreashold) {
                    this.switchOn = false;
                    console.log('Meter reading is greater than ', this.offThreashold, '- switch off');
                }
            }, (error) => {
                console.log('Error: ', error);
            });
        }, this.pollInterval * 1000);
    } // End Class Constructor
    // Now define Class methods
    identify() {
        this.log("Identify!");
    }
    getServices() {
        return [
            this.informationService,
            this.switchService,
        ];
    }
    async meterGet(ip_address, username, password) {
        const url = 'http://' + ip_address + '/monitorjson';
        const auth = username + ':' + password;
        // console.log('Auth string: ', auth);
        const response = await node_fetch_1.default(url, { headers: { 'Authorization': 'Basic ' + btoa(auth) } });
        const body = await response.json();
        return body;
    }
}
module.exports = (api) => {
    hap = api.hap;
    api.registerAccessory("Meter", Meter);
};
//# sourceMappingURL=accessory.js.map