pv-power-current-widget.js

const widget = new ListWidget();
await createWidget();

if(!config.runsInWidget) {
  await widget.presentSmall();
}
Script.setWidget(widget);
Script.complete();

async function createWidget() {
  widget.backgroundColor = Color.white();
  widget.setPadding(10,10,10,10);
  
  const logoReq = new Request('https://app.datacake.de/apple-icon.png');
  const logoImg = await logoReq.loadImage();
  const wLogo = widget.addImage(logoImg);
  wLogo.imageSize = new Size(25,25);
  wLogo.rightAlignImage();
  
  widget.addSpacer();
  
  let row = widget.addStack();
  row.layoutHorizontally();
  row.centerAlignContent();
  
  const iconReq = new Request('https://img.icons8.com/cotton/344/solar-panel.png');
  const icon = await iconReq.loadImage();
  const iconImg = row.addImage(icon);
  iconImg.imageSize = new Size(40, 40);
  
  row.addSpacer(10);
  
  let column = row.addStack();
  column.layoutVertically();
  column.centerAlignContent();
  column.addSpacer(6);
  
  const labelText = column.addText('CURRENT');
  labelText.font = Font.mediumRoundedSystemFont(12);
  labelText.textColor = Color.darkGray();
  labelText.rightAlignText();

  
  const data = await fetchPVInformation();
  
  const powerRow = column.addStack();
  powerRow.layoutHorizontally();
  powerRow.bottomAlignContent();
  const powerText = powerRow.addText(`${(data.data.device.currentMeasurement.value / 1000).toFixed(2)}`);
  powerText.font = Font.mediumRoundedSystemFont(22);
  powerText.textColor = Color.darkGray();
  
  
  const unitText = powerRow.addText('kW');
  unitText.font = Font.mediumRoundedSystemFont(22);
  unitText.textColor = Color.gray();
  
  widget.addSpacer(45);
}

async function fetchPVInformation() {
  const url = 'https://api.datacake.co/graphql/';
  const request = new Request(url);
  request.method = 'POST';
  request.headers = {
    Authorization: 'Token <YourToken>',
    'Content-Type': 'application/json',
  };
  request.body = JSON.stringify({
    query: `query readData {
  device(deviceId:"<YourDevice>") {
    id
    currentMeasurement(fieldName:"<YourField>") {
      id
      value
    }
  }
    }`
  });
  const result = await request.loadJSON();
  return result;
}