homebridge-irobot/homebridge-ui/server.js

A homebridge plugin for controlling iRobot devices

/* jshint node: true, esversion: 10, -W014, -W033 */
/* eslint-disable new-cap */
'use strict'

const { HomebridgePluginUiServer } = require('@homebridge/plugin-ui-utils')
const fs = require('fs')

class PluginUiServer extends HomebridgePluginUiServer {
  constructor () {
    super()

    /*
      A native method getCachedAccessories() was introduced in config-ui-x v4.37.0
      The following is for users who have a lower version of config-ui-x
    */
    this.onRequest('/getCachedAccessories', async () => {
      try {
        // Define the plugin and create the array to return
        const plugin = 'homebridge-irobot'
        const devicesToReturn = []

        // The path and file of the cached accessories
        const accFile = this.homebridgeStoragePath + '/accessories/cachedAccessories'

        // Check the file exists
        if (fs.existsSync(accFile)) {
          // Read the cached accessories file
          let cachedAccessories = await fs.promises.readFile(accFile)

          // Parse the JSON
          cachedAccessories = JSON.parse(cachedAccessories)

          // We only want the accessories for this plugin
          cachedAccessories
            .filter(accessory => accessory.plugin === plugin)
            .forEach(accessory => devicesToReturn.push(accessory))
        }

        // Return the array
        return devicesToReturn
      } catch (err) {
        // Just return an empty accessory list in case of any errors
        return []
      }
    });
    this.ready()
  }
}

;(() => new PluginUiServer())()