homebridge-virtual-accessories/dist/accessories/virtualAccessoryFan.js

Virtual HomeKit accessories for Homebridge.

import { Accessory } from './accessory.js';
/**
 * Fan - Accessory implementation
 */
export class Fan extends Accessory {
    static ACCESSORY_TYPE_NAME = 'Fan';
    static ON = true;
    static OFF = false;
    static CLOCKWISE = 0; // Characteristic.ProgrammableSwitchEvent.RotationDirection.CLOCKWISE
    static COUNTER_CLOCKWISE = 1; // Characteristic.ProgrammableSwitchEvent.RotationDirection.COUNTER_CLOCKWISE
    stateStorageKey = 'FanState';
    rotatioDirectionStorageKey = 'FanRotationDirection';
    rotatioSpeedStorageKey = 'FanRotationSpeed';
    states = {
        FanState: Fan.OFF,
        FanRotationDirection: Fan.CLOCKWISE,
        FanRotationSpeed: 100,
    };
    constructor(platform, accessory, accessoryConfiguration) {
        super(platform, accessory, accessoryConfiguration);
        // First configure the device based on the accessory details
        const rotationDirection = this.accessoryConfiguration.fan.rotationDirection === 'clockwise' ? Fan.CLOCKWISE : Fan.COUNTER_CLOCKWISE;
        const rotationSpeed = this.accessoryConfiguration.fan.rotationSpeed;
        this.states.FanState = Fan.OFF;
        this.states.FanRotationDirection = rotationDirection;
        this.states.FanRotationSpeed = rotationSpeed;
        // If the accessory is stateful retrieve stored state
        if (this.accessoryConfiguration.accessoryIsStateful) {
            const accessoryState = this.loadAccessoryState(this.storagePath);
            const cachedState = accessoryState[this.stateStorageKey];
            const cachedRotationDirection = accessoryState[this.rotatioDirectionStorageKey];
            const cachedRotationSpeed = accessoryState[this.rotatioSpeedStorageKey];
            if (cachedState !== undefined && cachedRotationDirection !== undefined && cachedRotationSpeed !== undefined) {
                this.states.FanState = cachedState;
                this.states.FanRotationDirection = cachedRotationDirection;
                this.states.FanRotationSpeed = cachedRotationSpeed;
            }
        }
        this.service = this.accessory.getService(this.platform.Service.Fan) || this.accessory.addService(this.platform.Service.Fan);
        this.service.setCharacteristic(this.platform.Characteristic.Name, this.accessoryConfiguration.accessoryName);
        // Update the initial state of the accessory     
        this.log.debug(`[${this.accessoryConfiguration.accessoryName}] Setting Fan Current State: ${Fan.getStateName(this.states.FanState)}`);
        this.service.updateCharacteristic(this.platform.Characteristic.On, (this.states.FanState));
        this.service.updateCharacteristic(this.platform.Characteristic.RotationDirection, (this.states.FanRotationDirection));
        this.service.updateCharacteristic(this.platform.Characteristic.RotationSpeed, (this.states.FanRotationSpeed));
        // register handlers
        this.service.getCharacteristic(this.platform.Characteristic.On)
            .onSet(this.setOn.bind(this))
            .onGet(this.getOn.bind(this));
        this.service.getCharacteristic(this.platform.Characteristic.RotationDirection)
            .onSet(this.setRotationDirection.bind(this))
            .onGet(this.getRotationDirection.bind(this));
        this.service.getCharacteristic(this.platform.Characteristic.RotationSpeed)
            .onSet(this.setRotationSpeed.bind(this))
            .onGet(this.getRotationSpeed.bind(this));
    }
    // Handlers
    async setOn(value) {
        this.states.FanState = value;
        this.storeState();
        this.log.info(`[${this.accessoryConfiguration.accessoryName}] Setting State: ${Fan.getStateName(this.states.FanState)}`);
    }
    async getOn() {
        const fanState = this.states.FanState;
        this.log.debug(`[${this.accessoryConfiguration.accessoryName}] Getting State: ${Fan.getStateName(fanState)}`);
        return fanState;
    }
    async setRotationDirection(value) {
        this.states.FanRotationDirection = value;
        this.storeState();
        this.log.info(`[${this.accessoryConfiguration.accessoryName}] Setting Rotation Direction: ${this.states.FanRotationDirection}`);
    }
    async getRotationDirection() {
        const fanRotationDirection = this.states.FanRotationDirection;
        this.log.debug(`[${this.accessoryConfiguration.accessoryName}] Getting Rotation Direction: ${fanRotationDirection}`);
        return fanRotationDirection;
    }
    async setRotationSpeed(value) {
        this.states.FanRotationSpeed = value;
        this.storeState();
        this.log.info(`[${this.accessoryConfiguration.accessoryName}] Setting Rotation Speed: ${this.states.FanRotationSpeed}%`);
    }
    async getRotationSpeed() {
        const fanRotationSpeed = this.states.FanRotationSpeed;
        this.log.debug(`[${this.accessoryConfiguration.accessoryName}] Getting Rotation Speed: ${fanRotationSpeed}%`);
        return fanRotationSpeed;
    }
    getJsonState() {
        const json = JSON.stringify({
            [this.stateStorageKey]: this.states.FanState,
            [this.rotatioDirectionStorageKey]: this.states.FanRotationDirection,
            [this.rotatioSpeedStorageKey]: this.states.FanRotationSpeed,
        });
        return json;
    }
    getAccessoryTypeName() {
        return Fan.ACCESSORY_TYPE_NAME;
    }
    static getStateName(state) {
        let stateName;
        switch (state) {
            case undefined: {
                stateName = 'undefined';
                break;
            }
            case Fan.ON: {
                stateName = 'ON';
                break;
            }
            case Fan.OFF: {
                stateName = 'OFF';
                break;
            }
            default: {
                stateName = state.toString();
            }
        }
        return stateName;
    }
}
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