COVID-19 Inzidenz-Widget für iOS innerhalb Deutschlands 🇩🇪

incidence.js

// Licence: Robert Koch-Institut (RKI), dl-de/by-2-0
const newCasesApiUrl = `https://services7.arcgis.com/mOBPykOjAyBO2ZKk/arcgis/rest/services/RKI_COVID19/FeatureServer/0/query?f=json&where=NeuerFall%20IN(1%2C%20-1)&returnGeometry=false&spatialRel=esriSpatialRelIntersects&outFields=*&outStatistics=%5B%7B%22statisticType%22%3A%22sum%22%2C%22onStatisticField%22%3A%22AnzahlFall%22%2C%22outStatisticFieldName%22%3A%22value%22%7D%5D&resultType=standard&cacheHint=true`;

const incidenceUrl = (location) => `https://services7.arcgis.com/mOBPykOjAyBO2ZKk/arcgis/rest/services/RKI_Landkreisdaten/FeatureServer/0/query?where=1%3D1&outFields=GEN,last_update,cases,cases7_per_100k&geometry=${location.longitude.toFixed(3)}%2C${location.latitude.toFixed(3)}&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelWithin&returnGeometry=false&outSR=4326&f=json`

const saveIncidenceLatLon = (location) => {
 let fm = FileManager.iCloud()
 let path = fm.joinPath(fm.documentsDirectory(), "covid19latlon.json")
 fm.writeString(path, JSON.stringify(location))
}

const getsavedIncidenceLatLon = () => {
 let fm = FileManager.iCloud()
 let path = fm.joinPath(fm.documentsDirectory(), "covid19latlon.json")
 let data = fm.readString(path)
 return JSON.parse(data)
}

let widget = await createWidget()
if (!config.runsInWidget) {
 await widget.presentSmall()
}

Script.setWidget(widget)
Script.complete()

async function createWidget(items) {
 let data, attr, header, label

   const list = new ListWidget()


 // fetch new cases
 data = await new Request(newCasesApiUrl).loadJSON()

 if(!data || !data.features || !data.features.length) {
   const errorList = new ListWidget()
   errorList.addText("Keine Ergebnisse für die Anfrage nach den Neuinfektionen.")
   return errorList
 }

 header = list.addText("🦠 Neuinfektionen ".toUpperCase())
 header.centerAlignText()
 header.font = Font.mediumSystemFont(10)

 label = list.addText("+"+data.features[0].attributes.value)
 label.font = Font.mediumSystemFont(20)
 label.centerAlignText()
 const country = list.addText("Deutschland")
 country.centerAlignText()
 country.font = Font.mediumSystemFont(12)
 country.textColor = Color.gray()


 list.addSpacer()

 // fetch new incidents
 let location

 if(args.widgetParameter) {

   const fixedCoordinates = args.widgetParameter.split(",").map(parseFloat)

   location = {
     latitude: fixedCoordinates[0],
     longitude: fixedCoordinates[1]
   }

 } else {

   Location.setAccuracyToThreeKilometers()
     try {
     location = await Location.current()
     console.log('get current lat/lon')
     saveIncidenceLatLon(location)
   } catch(e) {
     console.log('using saved lat/lon')
     location = getsavedIncidenceLatLon()
   }
 }


 data = await new Request(incidenceUrl(location)).loadJSON()

 if(!data || !data.features || !data.features.length) {
   const errorList = new ListWidget()
   errorList.addText("Keine Ergebnisse für den aktuellen Ort gefunden.")
   return errorList
 }

 attr = data.features[0].attributes
 const incidence = attr.cases7_per_100k.toFixed(1)
 const cityName = attr.GEN
 const cases =attr.cases
 const lastUpdate = attr.last_update

 header = list.addText("🦠 Inzidenz".toUpperCase())
 header.centerAlignText()
 header.font = Font.mediumSystemFont(10)

 label = list.addText(incidence)
 label.centerAlignText()
 label.font = Font.mediumSystemFont(24)  

  label2 = list.addText("("+cases+")")
 label2.centerAlignText()
 label2.font = Font.mediumSystemFont(12)  



 if(incidence >= 50) {
   label.textColor = Color.red()
 } else if(incidence >= 25) {
   label.textColor = Color.orange()
 }

 const city = list.addText(cityName)
 city.centerAlignText()
 city.font = Font.mediumSystemFont(12)
 city.textColor = Color.gray()

   list.addSpacer()

  label3 = list.addText ("letztes Update: "+lastUpdate.substr(0,10))
 label3.centerAlignText()
 label3.font = Font.mediumSystemFont(6)  


 return list
}