homebridge-smartsystem/accessories/lock.ts

SmartServer (Proxy Websockets to TCP sockets, Smappee MQTT, Duotecno IP Nodes, Homekit interface)

import { API } from "homebridge";
import { Unit } from "../duotecno/protocol";
import { UnitExtendedType } from "../duotecno/types";
import { log } from "../duotecno/logger";
import { Accessory } from "./accessory";

// Johan Coppieters Jun 2020
//
// Lock
//
// if name of mood contains $   => "lock"  
//      if name contains * = permanent locked=on/unlocked=off
//      else short press -> unlock, locked again after 1.2 sec



export class Lock extends Accessory {
  targetState = 1; // locked

  constructor(homebridge: API, unit: Unit) {
    super(homebridge, unit);
    log("accessory", "created Lock -> " + unit.getDescription());

    // set default for Unlocked to Locked
    if (this.unit.getType() === UnitExtendedType.kUnlocker)
      unit.setState(1);
  }

  getAccessoryServices() {
    // Lock needs authentication
    const lock = this.makeService(this.homebridge.Service.LockMechanism);
    this.attachServices(lock)

    return [lock];
  }


  attachServices(door) {
    door.getCharacteristic(this.homebridge.Characteristic.LockTargetState)
      .on('get', this.getTarget.bind(this))
      .on('set', this.setTarget.bind(this));
   
    door.getCharacteristic(this.homebridge.Characteristic.LockCurrentState)
      .on('get', this.getCurrent.bind(this));

  }

  setTarget(value, next) {
    this.targetState = value;
    // unlocker is a mood, a lock is a switch
    const dtVal = (this.unit.getType() === UnitExtendedType.kUnlocker) ? -1 : value;

    log("accessory", "HB setting target state of lock: to " + value + " of " + this.unit.getDescription() + " (duotecno: " + dtVal + ")");

    this.unit.setState(dtVal)
      .then(() => {
        //bypass ip node update mechanism of Duotecno
        this.unit.status = value;
        this.updateState();

        if (this.unit.getType() === UnitExtendedType.kUnlocker) {
          // always set to "locked" after sending the request.
          this.unit.resetTimer = setTimeout(() => {
            log("accessory", "Autolock for an unlocker after 2 secs of " + this.unit.getDescription())
            this.targetState = 1;
            this.me.getCharacteristic(this.homebridge.Characteristic.LockTargetState).updateValue(1);
            this.unit.status = 1;
            this.me.getCharacteristic(this.homebridge.Characteristic.LockCurrentState).updateValue(1);
          }, 2000);
        }
      
        next()
      })
      .catch(err => next(err));
  }

  getTarget(next) {
    log("accessory", "HB getting target state of lock = " + this.unit.status + " of " + this.unit.getDescription());
    next(null, this.targetState);
  }

  getCurrent(next) {
    this.unit.reqState(unit => {
      log("accessory", "HB getting current state of lock = " + this.unit.status + " of " + this.unit.getDescription());
      next(null, !!this.unit.status);
    });
  }


  // in response to Duotecno status messages
  updateState() {
    // log("accessory", "Received updateState -> Homekit Lock for " + this.unit.node.getName() + " - " + this.unit.getName() + " -> " + this.unit.status);
    this.me.getCharacteristic(this.homebridge.Characteristic.LockCurrentState).updateValue(this.unit.status);
  }

}