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script.js

// To run this on your iOS device,
// check that you are running iOS 14
// and get Scriptable app from App
// Store. 
// https://apps.apple.com/us/app/scriptable/id1405459188
// The script shows the latest article
// from Helsingin Sanomat in a widget on
// Home screen. Go to your Home screen
// to set up the script in a widget.
// The script will present a preview
// of the widget when running in the
// app.
let items = await loadItems()
let widget = await createWidget(items)
// Check if the script is running in
// a widget. If not, show a preview of
// the widget to easier debug it.
if (!config.runsInWidget) {
  await widget.presentMedium()
}
// Tell the system to show the widget.
Script.setWidget(widget)
Script.complete()

async function createWidget(items) {
  let item = items[0]
  let w = new ListWidget()
  w.backgroundColor = new Color("#000000")
  let hs = w.addText("HS")
  hs.font = Font.boldSystemFont(16)
  w.addSpacer()
  let titleTxt = w.addText(item.title)
  titleTxt.font = Font.boldSystemFont(12)
  titleTxt.textColor = Color.white()
  let rawDate = item.pubDate
  let dateFormatter = new DateFormatter()  
  let date = new Date(Date.parse(rawDate))
  let strDate = dateFormatter.string(date)
  let dates = w.addDate(date)
  dates.applyTimeStyle()
  dates.font = Font.footnote()
  return w
}
  
async function loadItems() {
  let url = "http://www.hs.fi/rss/tuoreimmat.xml"
  let req = new Request(url)
  let str = await req.loadString()
  let items = []
  let currentItem = null
  let elementName = ""
  let titlefound = 0
  const xmlParser = new XMLParser(str)
  xmlParser.didStartElement = name => {
    currentValue = ""
    if (name == 'title') {
      if (titlefound > 0) {
        currentItem = {}
      }
      titlefound++
    }
  }
  xmlParser.didEndElement = name => {
    const hasItem = currentItem != null
    if (hasItem && name == 'title') {
      currentItem['title'] = currentValue
    }
    if (hasItem && name == 'pubDate') {
      currentItem['pubDate'] = currentValue
    }
    if (hasItem && name == 'pubDate') {
      items.push(currentItem)
      currentItem = null
    }
  }
  xmlParser.foundCharacters = str => {
    currentValue += str
  }
  xmlParser.didEndDocument = name => {
    
  }
  
  xmlParser.parse()
  return items
}