homebridge-camera-ui/src/accessories/motion.js

User Interface for RTSP capable cameras with HSV support.

'use-strict';

import Logger from '../../services/logger/logger.service.js';

const MAX_MOTION_DETECTED_TIME = 3;

export default class MotionService {
  constructor(api, accessory, cameraUi, handler) {
    this.api = api;
    this.log = Logger.log;
    this.accessory = accessory;

    this.cameraUi = cameraUi;
    this.handler = handler;

    this.motionTimeout = null;

    this.getService();
  }

  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
  // Services
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//

  getService() {
    let service = this.accessory.getServiceById(this.api.hap.Service.MotionSensor, 'motion');
    let switchService = this.accessory.getServiceById(this.api.hap.Service.Switch, 'MotionTrigger');

    const hsvSupported = this.api.versionGreaterOrEqual('1.4.0');

    if (this.accessory.context.config.motion || (this.accessory.context.config.hsv && hsvSupported)) {
      const hsvMotionSensor = Boolean(
        !this.accessory.context.config.motion && this.accessory.context.config.hsv && hsvSupported
      );

      if (!service) {
        this.log.debug(`Adding motion sensor service${hsvMotionSensor ? ' (HSV)' : ''}`, this.accessory.displayName);
        service = this.accessory.addService(
          this.api.hap.Service.MotionSensor,
          this.accessory.displayName + ' Motion',
          'motion'
        );
      }

      if (!service.testCharacteristic(this.api.hap.Characteristic.StatusActive)) {
        service.addCharacteristic(this.api.hap.Characteristic.StatusActive);
      }

      service
        .getCharacteristic(this.api.hap.Characteristic.MotionDetected)
        .updateValue(false)
        .on('change', async (context) => {
          if (context.oldValue !== context.newValue) {
            const motionDetected = context.newValue;

            if (motionDetected) {
              if (this.motionTimeout) {
                clearTimeout(this.motionTimeout);
                this.motionTimeout = null;
              }

              const cameraSettings = await this.cameraUi?.database?.interface.chain
                .get('settings')
                .get('cameras')
                .find({ name: this.accessory.displayName })
                .value();

              const timer = cameraSettings?.videoanalysis?.forceCloseTimer || MAX_MOTION_DETECTED_TIME;

              if (timer > 0) {
                this.motionTimeout = setTimeout(() => {
                  const newState = service.getCharacteristic(this.api.hap.Characteristic.MotionDetected).value;

                  if (newState) {
                    this.log.debug('Motion OFF - Max detection time reached', this.accessory.displayName);
                    service.getCharacteristic(this.api.hap.Characteristic.MotionDetected).updateValue(false);
                  }
                }, MAX_MOTION_DETECTED_TIME * 60 * 1000);
              }
            } else {
              if (this.motionTimeout) {
                clearTimeout(this.motionTimeout);
                this.motionTimeout = null;
              }
            }
          }
        });
    } else {
      if (service) {
        this.log.debug('Removing motion sensor service', this.accessory.displayName);
        this.accessory.removeService(service);
      }
    }

    if (this.accessory.context.config.motion && this.accessory.context.config.switches) {
      if (!switchService) {
        this.log.debug('Adding switch service (motion)', this.accessory.displayName);
        switchService = this.accessory.addService(
          this.api.hap.Service.Switch,
          this.accessory.displayName + ' Motion Trigger',
          'MotionTrigger'
        );
      }

      switchService.getCharacteristic(this.api.hap.Characteristic.On).onSet(async (state) => {
        //this.log.info(`Motion Switch ${state ? 'activated!' : 'deactivated!'}`, this.accessory.displayName);
        await this.handler.handle('motion', this.accessory.displayName, state, true, false);
      });
    } else {
      if (switchService) {
        this.log.debug('Removing switch service (motion)', this.accessory.displayName);
        this.accessory.removeService(switchService);
      }
    }
  }
}