homebridge-homeconnect/dist/has-alarmclock.js

A Homebridge plugin that connects Home Connect appliances to Apple HomeKit

// Homebridge plugin for Home Connect home appliances
// Copyright © 2023-2026 Alexander Thoukydides
import { assertIsDefined, formatSeconds } from './utils.js';
// Default maximum alarm clock duration (if unable to read from Home Connect API)
const MAX_ALARM_DURATION = 38340; // (seconds)
// Add an alarm clock to an accessory
export function HasAlarmClock(Base) {
    return class HasAlarmClock extends Base {
        // Mixin constructor
        constructor(...args) {
            super(...args);
            // Continue initialisation asynchronously
            this.asyncInitialise('Alarm Clock', this.initHasAlarmClock());
        }
        // Asynchronous initialisation
        async initHasAlarmClock() {
            if (!this.powerService) {
                this.log.info('Feature "Alarm Clock" implicitly disabled with "Power" feature');
                return;
            }
            // Check whether the appliance supports an alarm clock
            const allSettings = await this.getCached('settings', () => this.device.getSettings());
            if (!allSettings.some(s => s.key === 'BSH.Common.Setting.AlarmClock')) {
                this.log.info('Does not support an alarm clock');
                return;
            }
            // Check the maximum supported alarm clock duration
            const setting = await this.getCached('alarmclock', () => this.device.getSetting('BSH.Common.Setting.AlarmClock'));
            // Add a set duration characteristic for the alarm clock
            this.powerService.addOptionalCharacteristic(this.Characteristic.SetDuration);
            const setDurationCharacteristic = this.powerService.getCharacteristic(this.Characteristic.SetDuration);
            setDurationCharacteristic.setProps({ maxValue: setting?.constraints?.max ?? MAX_ALARM_DURATION });
            // Update from HomeKit to Home Connect
            this.onSetNumber(setDurationCharacteristic, async (value) => {
                this.log.info(`SET Alarm clock ${value} seconds`);
                await this.device.setSetting('BSH.Common.Setting.AlarmClock', value);
            });
            // Update from Home Connect to HomeKit
            this.device.on('BSH.Common.Setting.AlarmClock', seconds => {
                assertIsDefined(this.powerService);
                if (seconds)
                    this.log.info(`Alarm clock ${formatSeconds(seconds)} remaining`);
                else
                    this.log.info('Alarm clock inactive');
                setDurationCharacteristic.updateValue(seconds);
            });
        }
    };
}
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