Shows the current pollen counts. Pulls data from a Danish provider and only works in Denmark.

Today's Pollen Count.js

// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-color: deep-green; icon-glyph: sun;
const STATION_VIBORG = "49"
const STATION_CPH = "48"
const GRASS_ID = "28"
const PREVIEW_WIDGET = false


// Pass your station ID here. See the constants above.
let pollen = await loadPollen(STATION_VIBORG)

if (config.runsInWidget) {
  let widget = createWidget(GRASS_ID, pollen)
  Script.setWidget(widget)
  Script.complete()
} else if (config.runsWithSiri) {
  let table = createTable(pollen)
  table.present()
  speakPollen(GRASS_ID, pollen)
  Script.complete()
} else if (PREVIEW_WIDGET) {
  let widget = createWidget(GRASS_ID, pollen)
  await widget.presentSmall()
} else {
  let table = createTable(pollen)
  await table.present()
}

function createWidget(id, pollen) {
  let name = pollenNameFromId(id)
  let value = pollen.find(v => {
    return v.id == GRASS_ID
  })
  let gradient = new LinearGradient()
  gradient.colors = [
    new Color("#26765c"),
    new Color("#288c65")
  ]
  gradient.locations = [0, 1]
  let widget = new ListWidget()
  widget.spacing = 5
  widget.backgroundGradient = gradient
  let title = widget.addText("Pollen")
  title.textColor = Color.white()
  title.font = Font.headline()
  if (value.inSeason && value.level > -1) {
    let levelStr = value.level.toString()
    let level = widget.addText(levelStr)
    level.textColor = Color.white()
    level.textSize = 40
  }
  let emoji = widget.addText(value.levelEmoji)
  emoji.font = Font.systemFont(32)
  let desc = widget.addText(value.description)
  desc.textColor = Color.white()
  desc.textOpacity = 0.5
  return widget
}

function speakPollen(id, pollen) {
  let name = pollenNameFromId(id)
  let value = pollen.find(v => {
    return v.id == GRASS_ID
  })
  let str = null
  if (value.inSeason) {
    str = "The pollen count for "
      + name.toLocaleLowerCase()
      + " is "
      + value["level"]
      + "."
  } else {
    str = name + " is not in season."
  }
  Speech.speak(str)
  Script.setShortcutOutput(str)
}

function createTable(pollen) {
  let table = new UITable()
  table.showSeparators = true
  for (value of pollen) {
    let row = createTableRow(value)
    table.addRow(row)
  }
  return table
}

function createTableRow(value) {
  let row = new UITableRow()
  row.height = 60
  let nameCell
  if (value.inSeason && value.level > -1) {
    nameCell = row.addText(
      value.name,
      value.level.toString())
  } else {
    nameCell = row.addText(value.name)
  }
  let descCell = row.addText(value.description)
  let emojiCell = row.addText(value.levelEmoji)
  nameCell.widthWeight = 40
  descCell.widthWeight = 45
  emojiCell.widthWeight = 15
  descCell.rightAligned()
  emojiCell.rightAligned()
  return row
}

async function loadPollen(station) {
  let values = await loadValues(station)
  return valuesToPollen(values)
}

async function loadValues(station) {
  let cookies = await loadCookies()
  let jsessionId = findCookie("JSESSIONID", cookies)
  let url = "https://www.pollental.dk/home"
    + "?p_p_id=pollenbox_WAR_pollenportlet"
    + "&p_p_lifecycle=2"
    + "&p_p_state=normal"
    + "&p_p_mode=view"
    + "&p_p_resource_id=getFeed"
    + "&p_p_cacheability=cacheLevelPage"
    + "&p_p_col_id=column-1&p_p_col_pos=1"
    + "&p_p_col_count=2"
    + "&s=" + jsessionId
    + "&station=" + station
  let req = new Request(url)
  req.headers = {
    "Cookie": "JSESSIONID=" + jsessionId
  }
  return await req.loadJSON()
}
  
async function loadCookies() {
  let url = "https://www.pollental.dk"
  let req = new Request(url)
  await req.load()
  return req.response.cookies
}

function findCookie(name, cookies) {
  let jsession = cookies.find(c => {
    return c.name == name
  })
  return jsession.value
}

function valuesToPollen(values) {
  let feed = values.feed
  let keys = Object.keys(feed)
  let result = []
  for (id of keys) {
    let value = feed[id]
    let mapped = mapValue(value)
    mapped.id = id
    mapped.name = pollenNameFromId(id)
    result.push(mapped)
  }
  return result
}

function mapValue(value) {
  return {
    level: value.level,
    levelEmoji: getLevelEmoji(value),
    inSeason: value.inSeason,
    description: getValueDescription(value)
  }
}

function getValueDescription(value) {
  let desc = value.levelDescription
  if (!value.inSeason) {
    return "Not in season"
  } else if (desc == "3") {
    return "High"
  } else if (desc == "2") {
    return "Medium"
  } else if (desc == "1") {
    return "Low"
  } else {
    return null
  }
}

function getLevelEmoji(value) {
  if (value.inSeason) {
    let desc = value.levelDescription
    if (desc == "1") {
      return "🟡"
    } else if (desc == "2") {
      return "🟠"
    } else if (desc == "3") {
      return "🚨"
    } else {
      return "💚"
    }
  } else {
    return "💚"
  }
}

function pollenNameFromId(id) {
  if (id == "7") {
    return "Birch"
  } else if (id == "31") {
    return "Mugwort"
  } else if (id == "1") {
    return "Alder"
  } else if (id == "4") {
    return "Elm"
  } else if (id == "28") {
    return "Grass"
  } else if (id == "2") {
    return "Hazel"
  } else if (id == "44") {
    return "Alternaria"
  } else if (id == "45") {
    return "Cladosporium"
  } else {
    return id
  }
}