COVID-19 Inzidenz-Widget für iOS innerhalb Deutschlands 🇩🇪 (Kreis/Stadt + Bundesland + Trend)

incidence.js

// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-color: light-gray; icon-glyph: magic;
// Licence: Robert Koch-Institut (RKI), dl-de/by-2-0
const outputFields = 'GEN,cases_per_100k,cases7_per_100k,cases7_bl_per_100k,last_update,BL';
const apiUrl = (location) => `https://services7.arcgis.com/mOBPykOjAyBO2ZKk/arcgis/rest/services/RKI_Landkreisdaten/FeatureServer/0/query?where=1%3D1&outFields=${outputFields}&geometry=${location.longitude.toFixed(3)}%2C${location.latitude.toFixed(3)}&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelWithin&returnGeometry=false&outSR=4326&f=json`
const apiUrlStates = 'https://services7.arcgis.com/mOBPykOjAyBO2ZKk/arcgis/rest/services/Coronaf%E4lle_in_den_Bundesl%E4ndern/FeatureServer/0/query?where=1%3D1&outFields=LAN_ew_GEN,cases7_bl_per_100k&returnGeometry=false&outSR=4326&f=json'
const apiUrlNewCases = '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 BUNDESLAENDER_SHORT = {
    'Baden-Württemberg': 'BW',
    'Bayern': 'BY',
    'Berlin': 'BE',
    'Brandenburg': 'BB',
    'Bremen': 'HB',
    'Hamburg': 'HH',
    'Hessen': 'HE',
    'Mecklenburg-Vorpommern': 'MV',
    'Niedersachsen': 'NI',
    'Nordrhein-Westfalen': 'NRW',
    'Rheinland-Pfalz': 'RP',
    'Saarland': 'SL',
    'Sachsen': 'SN',
    'Sachsen-Anhalt': 'ST',
    'Schleswig-Holstein': 'SH',
    'Thüringen': 'TH'
};

const widget = await createWidget()
if (!config.runsInWidget) {
    await widget.presentSmall()
}
Script.setWidget(widget)
Script.complete()

async function createWidget(items) {
    const data = await getData()
    const list = new ListWidget()
    const bgGradientGreen = new LinearGradient();
    const bgGradientOrange = new LinearGradient();
    const bgGradientRed = new LinearGradient();
  
  bgGradientGreen.locations = [0, 1];
  bgGradientGreen.colors = Device.isUsingDarkAppearance() ? [new Color('061700'), new Color('52c234')] : [new Color('56ab2f'), new Color('a8e063')];

  bgGradientOrange.locations = [0, 1];
  bgGradientOrange.colors = Device.isUsingDarkAppearance() ? [new Color('f12711'), new Color('f5af19')] : [new Color('FF512F'), new Color('F09819')];

  bgGradientRed.locations = [0, 1];
  bgGradientRed.colors = Device.isUsingDarkAppearance() ? [new Color('ED213A'), new Color('93291E')] : [new Color('FF416C'), new Color('FF4B2B')];
    
  if (data.incidence >= 50) {
  list.backgroundGradient = bgGradientRed;
  }
  else {
    if (data.incidence >= 35) {
  list.backgroundGradient = bgGradientOrange;
    }
    else {
      list.backgroundGradient = bgGradientGreen;
    }
  }
    const header = list.addText("7-Tage-Inzidenz".toUpperCase())
    header.font = Font.mediumSystemFont(13)
    header.textColor = Color.white()
    if (data) {
        const weekData = saveLoadData(data, data.areaName)
        if (!data.shouldCache) {
            list.addSpacer(6)
            const loadingIndicator = list.addText("Ort wird ermittelt...".toUpperCase())
            loadingIndicator.font = Font.mediumSystemFont(13)
            loadingIndicator.textOpacity = 0.5
        }
        list.addSpacer()
        
        // INCIDENCE
        const incidenceLabel = list.addStack()
        incidenceLabel.layoutHorizontally()
        incidenceLabel.centerAlignContent()
        incidenceLabel.useDefaultPadding()
        // 1
        data.incidence = (data.incidence >= 100) ? parseInt(data.incidence) : data.incidence
        const label = incidenceLabel.addText(data.incidence + '' + getIncidenceTrend(data, weekData))
        label.font = Font.boldSystemFont(26)
        label.textColor = Color.white()
        // 2
        const labelBL = incidenceLabel.addText(data.incidenceBL + getIncidenceBLTrend(data, weekData) + '\n' + data.nameBL)
        labelBL.font = Font.mediumSystemFont(10)
        labelBL.textColor = Color.white()

        // CITYNAME
        const areaLabel = list.addText(data.areaName.toUpperCase())
        areaLabel.font = Font.mediumSystemFont(14)
        areaLabel.textColor = Color.white()
        list.addSpacer()

        // UPDATED
        const formatedCases = new Number(data.cases).toLocaleString('de-DE')
        const labelUpdated = list.addText(`${data.updated.substr(0, 10)} (+${formatedCases})`)
        labelUpdated.font = Font.systemFont(10)
        labelUpdated.textColor = Color.white()

        if (data.shouldCache) {
            list.refreshAfterDate = new Date(Date.now() + 60 * 60 * 1000)
        }
    } else {
        list.addSpacer()
        const errorLabel = list.addText("Daten nicht verfügbar. \nWidget öffnen für reload...")
        errorLabel.font = Font.mediumSystemFont(12)
        errorLabel.textColor = Color.gray()
    }
    return list
}

async function getData() {
    try {
        let dataCases = await new Request(apiUrlNewCases).loadJSON()
        const cases = dataCases.features[0].attributes.value

        let dataStates = await new Request(apiUrlStates).loadJSON()
        const incidencePerState = dataStates.features.map((f) => { return { BL: BUNDESLAENDER_SHORT[f.attributes.LAN_ew_GEN], incidence: f.attributes.cases7_bl_per_100k } })
        const averageIncidence = incidencePerState.reduce((a, b) => a + b.incidence, 0) / incidencePerState.length

        const location = await getLocation()
        let data = await new Request(apiUrl(location)).loadJSON()
        const attr = data.features[0].attributes
        
        const res = {
            incidence: parseFloat(attr.cases7_per_100k.toFixed(1)),
            incidenceBL: parseFloat(attr.cases7_bl_per_100k.toFixed(1)),
            areaName: attr.GEN,
            nameBL: BUNDESLAENDER_SHORT[attr.BL],
            shouldCache: true,
            updated: attr.last_update,
            incidencePerState: incidencePerState,
            averageIncidence: parseFloat(averageIncidence.toFixed(1)),
            cases: cases
        }
        return res
    } catch (e) {
        return null
    }
}

async function getLocation() {
    try {
        if (args.widgetParameter) {
            const fixedCoordinates = args.widgetParameter.split(",").map(parseFloat)
            return {
                latitude: fixedCoordinates[0],
                longitude: fixedCoordinates[1]
            }
        } else {
            Location.setAccuracyToThreeKilometers()
            return await Location.current()
        }
    } catch (e) {
        return null;
    }
}

function getIncidenceTrend(data, weekdata) {
    let incidenceTrend = ' ';
    if (Object.keys(weekdata).length > 0) {
        const prevData = getDataForDate(weekdata);
        if (prevData) {
            incidenceTrend = (data.incidence < prevData.incidence) ? '↓' : '↑'
        }
    }
    return incidenceTrend
}

function getIncidenceBLTrend(data, weekdata) {
    let incidenceBLTrend = ' ';    
    if (Object.keys(weekdata).length > 0) {
        const prevData = getDataForDate(weekdata);
        if (prevData) {
            incidenceBLTrend = (data.incidenceBL < prevData.incidenceBL) ? '↓' : '↑'
        }
    }
    return incidenceBLTrend
}

function getDataForDate(weekdata, yesterday = true, datestr = '') {
    let dateKey;
    let dayOffset = 1
    const today = new Date();
    const todayDateKey = `${today.getDate()}.${today.getMonth() + 1}.${today.getFullYear()}`
    if (typeof weekdata[todayDateKey] === 'undefined') {
        dayOffset = 2
    }

    if (yesterday) {
        today.setDate(today.getDate() - dayOffset);
        dateKey = `${today.getDate()}.${today.getMonth() + 1}.${today.getFullYear()}`
    } else {
        dateKey = datestr;
    }

    if (typeof weekdata[dateKey] !== 'undefined') {
        return weekdata[dateKey]
    }
    return false
}

// LIMIT TO 7 DAYS
function saveLoadData (newData, suffix = '') {
    const updated = newData.updated.substr(0, 10);
    const loadedData = loadData(suffix)
    if (loadedData) {
        loadedData[updated] = newData

        const loadedDataKeys = Object.keys(loadedData);
        const lastDaysKeys = loadedDataKeys.slice(Math.max(Object.keys(loadedData).length - 7, 0))

        let loadedDataLimited = {}
        lastDaysKeys.forEach(key => {
            loadedDataLimited[key] = loadedData[key]
        })

        try {
            let fm = FileManager.iCloud()
            let path = fm.joinPath(fm.documentsDirectory(), 'covid19' + suffix + '.json')
            fm.writeString(path, JSON.stringify(loadedDataLimited))
            console.log('iCloud: save')
        } catch (e) {
            let fm = FileManager.local()
            let path = fm.joinPath(fm.documentsDirectory(), 'covid19' + suffix + '.json')
            fm.writeString(path, JSON.stringify(loadedDataLimited))
            console.log('Local: save')
        }

        return loadedData
    }
    return {}
}

function loadData(suffix) {
    try {
        let fm = FileManager.iCloud()
        let path = fm.joinPath(fm.documentsDirectory(), 'covid19' + suffix + '.json')
        if (fm.fileExists(path)) {
            let data = fm.readString(path)
            console.log('iCloud: read')
            return JSON.parse(data)
        }
    } catch (e) {
        let fm = FileManager.local()
        let path = fm.joinPath(fm.documentsDirectory(), 'covid19' + suffix + '.json')
        if (fm.fileExists(path)) {
            let data = fm.readString(path)
            console.log('Local: read')
            return JSON.parse(data)
        }
    }
    return {};
}