@homebridge-plugins/homebridge-ewelink/lib/device/switch-mate.js

Homebridge plugin to integrate eWeLink devices into HomeKit.

import { hasProperty } from '../utils/functions.js'

export default class {
  constructor(platform, accessory) {
    // Set up variables from the platform
    this.hapChar = platform.api.hap.Characteristic
    this.hapServ = platform.api.hap.Service
    this.lang = platform.lang
    this.log = platform.log
    this.platform = platform

    // Set up variables from the accessory
    this.name = accessory.displayName
    this.accessory = accessory

    // Set up custom variables for this device type
    const deviceConf = platform.deviceConf[accessory.context.eweDeviceId] || {}

    // Set the correct logging variables for this accessory
    switch (deviceConf.overrideLogging) {
      case 'standard':
        this.enableLogging = true
        this.enableDebugLogging = false
        break
      case 'debug':
        this.enableLogging = true
        this.enableDebugLogging = true
        break
      case 'disable':
        this.enableLogging = false
        this.enableDebugLogging = false
        break
      default:
        this.enableLogging = !platform.config.disableDeviceLogging
        this.enableDebugLogging = platform.config.debug
        break
    }
    this.timeouts = {
      0: false,
      1: false,
      2: false,
    }
    this.lastTrigTimes = {}

    // Add the stateless switch service if it doesn't already exist
    this.service = this.accessory.getService(this.hapServ.StatelessProgrammableSwitch)
      || this.accessory.addService(this.hapServ.StatelessProgrammableSwitch)

    // Output the customised options to the log
    const normalLogging = this.enableLogging ? 'standard' : 'disable'
    const opts = JSON.stringify({
      logging: this.enableDebugLogging ? 'debug' : normalLogging,
    })
    this.log('[%s] %s %s.', this.name, this.lang.devInitOpts, opts)
  }

  async externalUpdate(params) {
    try {
      if (
        hasProperty(params, 'outlet')
        && [0, 1, 2].includes(params.outlet)
        && params.actionTime
        && !this.timeouts[params.outlet]
      ) {
        // Skip duplicate events with same trigTime
        const trigKey = params.trigTime || params.actionTime
        if (this.lastTrigTimes[params.outlet] === trigKey) {
          return
        }
        this.lastTrigTimes[params.outlet] = trigKey

        this.timeouts[params.outlet] = true
        setTimeout(() => {
          this.timeouts[params.outlet] = false
        }, 1000)
        const timeDiff = (Date.now() - Date.parse(params.actionTime)) / 1000
        if (timeDiff < 5) {
          this.service.updateCharacteristic(this.hapChar.ProgrammableSwitchEvent, params.outlet)
          if (params.updateSource && this.enableLogging) {
            const doubleLong = params.outlet === 1 ? this.lang.buttonDouble : this.lang.buttonLong
            const textLabel = params.outlet === 0 ? this.lang.buttonSingle : doubleLong
            this.log('[%s] %s [%s].', this.name, this.lang.curState, textLabel)
          }
        }
      }
    } catch (err) {
      this.platform.deviceUpdateError(this.accessory, err, false)
    }
  }
}