HomeyScript for "And" card that checks whether a Tibber Pulse is unresponsive

is-tibber-pulse-unresponsive.js

/*
 * This script is meant to be used in a Homey Flow as an 'And' card.
 */

let sensorName = '<insert pulse name/address here>'
log(`sensorName: ${sensorName}`);

// Get all devices
const devices = await Homey.devices.getDevices();

let device = null;
// Loop over all devices
for (const d of Object.values(devices)) {

  // If this device isn't available, skip it.
  if (!d.capabilitiesObj) continue;

  if (d.name == sensorName) {
    log(`\n=== Found device ${d.name} ===`);
	  device = d;
    break;
  }
}

if (null === device) {
  throw new Error(`Could not find available device with name ${sensorName}`);
}

if (typeof device.capabilitiesObj.measure_power === 'undefined') {
  throw new Error(`Could not find the property measure_power in device ${sensorName}`);
}

const lastUpdated = new Date(device.capabilitiesObj.measure_power.lastUpdated);
const now = new Date();

log(`lastUpdated: ${lastUpdated}`);

const diffInSeconds = (now - lastUpdated) / 1000;

// Deem it unresponsive if it has not reported for the last 15 minutes
return diffInSeconds > 15 * 60;