HomeyScript for checking the position of a sunscreen connected to e.g. Fibaro Roller Shutter 3 or Walli Roller Shutter

compare-sunscreen-position.js

/*
 * This script is meant to be used in a Homey Flow with the 
 * 'Run a script with an argument' in the 'And'-column.
 * The argument must be the name of the device, then a less than or greater than character (< or >) and finally a number between 0 and 1, e.g. "Zip Nord Venstre<0.5" (note: no spaces around the < or > character!)
 */

if (typeof args[0] !== 'string') {
  throw new Error('This script must be run from a Flow!');
}


let comparisonOperator = args[0].includes('<') ? '<' : '>';
log(`comparisonOperator: ${comparisonOperator}`);
let sensorName = args[0].split(comparisonOperator)[0];
log(`sensorName: ${sensorName}`);
let valueThreshold = parseFloat(args[0].split(comparisonOperator)[1]);
log(`valueThreshold: ${valueThreshold}`);

// 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.windowcoverings_set === 'undefined') {
  throw new Error(`Could not find the property windowcoverings_set in device ${sensorName}`);
}

const capability = device.capabilitiesObj.windowcoverings_set;

log(`value: ${capability.value}`);
if (comparisonOperator === '<') {
  return capability.value < valueThreshold;
} else {
  return capability.value > valueThreshold;
}