homebridge-vesync-v2/lib/devices/BaseDevice.js

A Homebridge plugin for controlling VeSync smart devices including outlets, air purifiers, and humidifiers

"use strict";

class BaseDevice {
    constructor(accessory, client, log, debug, Service, Characteristic) {
        log("[4] BaseDevice: constructor");
        log("[5] BaseDevice: params=" + JSON.stringify({
            acc: !!accessory,
            ctx: !!accessory?.context,
            name: accessory?.context?.name,
            type: accessory?.context?.type
        }));

        this.accessory = accessory;
        this.client = client;
        this.log = log;
        this.debug = debug;
        this.Service = Service;
        this.Characteristic = Characteristic;

        log("[6] BaseDevice: initialized");
    }

    configureService() {
        // To be overridden by subclasses which add services
        // Then set On characteristic handlers
    }

    getPowerState(callback) {
        if (this.accessory.context && this.accessory.context.id) {
            this.client.login(this.accessory.platformConfig?.username, this.accessory.platformConfig?.password)
            .then(() => this.client.getDevices())
            .then(devices => {
                return devices.find((device) => {
                    return device.name.includes(this.accessory.context.name);
                });
            }).then((device) => {
                if (typeof device === 'undefined') {
                    if (this.debug) this.log("Removing undefined device", this.accessory.context.name);
                    // The platform handles removal, but we can log here
                    callback(new Error("Device not found"));
                } else {
                    this.accessory.context.status = device.status;
                    callback(null, device.status == 'on');
                }
            }).catch(err => {
                this.log(err);
                callback(err);
            });
        } else {
            callback(new Error("Device not found"));
        }
    }

    setPowerState(powerState, callback) {
        if (this.debug) this.log("Sending device status change");

        this.client.login(this.accessory.platformConfig?.username, this.accessory.platformConfig?.password)
        .then(() => this.client.getDevices())
        .then(devices => {
            return devices.find((device) => {
                return device.name.includes(this.accessory.context.name);
            });
        }).then((device) => {
            if (!device) {
                throw new Error("Device not found");
            }
            this.accessory.context.status = device.status;

            if (device.status == 'on' && powerState == false) {
                return this.client.turnDevice(device, "off");
            }

            if (device.status == 'off' && powerState == true) {
                return this.client.turnDevice(device, "on");
            }
        }).then(() => {
            callback();
        }).catch((err) => {
            if (err == 'Error: No Content') {
                callback();
                return;
            }
            this.log(err);
            this.log("Failed to set power state to", powerState);
            callback(err);
        });
    }
}

module.exports = BaseDevice;