Scraper for data about lights on Empire State Building

ESBScraperKtx.kt

import org.jsoup.nodes.Document
import org.jsoup.nodes.Element

private const val ROOT = "https://www.esbnyc.com/"

data class DayLight(
    val image: String,
    val color: String,
    val reason: String,
    val date: String
)

fun Document.todayLights() : Pair<String, String> =
    todayBackground(this) to todayColor(this)

private fun todayBackground(doc: Document) : String =
    doc.select("div.background-image-wrapper")
        .attr("style")
        .split("url(")
        .last()
        .replace(")", "")

private fun todayColor(doc: Document) : String =
    doc.select("div.is-today")
        .select("div.info")
        .select("h3")
        .html()

fun Document.otherLights() : List<DayLight> =
    select("div.view-content > div").map { it.extractDayData() }

private fun Element.extractDayData(): DayLight {
    val date = date()

    val (color, reason, picture) = with(colorElement()) {
        Triple(color(), reason(), picture())
    }

    return DayLight(
        image = picture,
        color = color,
        reason = reason,
        date = date
    )
}

private fun Element.date() : String = select("article.lse").attr("data-date")

private fun Element.colorElement() : Element = select("div.field_light").first()

private fun Element.color() : String = select("div > h3 > div").text()

private fun Element.reason() : String = select("div.clearfix.text-formatted.field_description > p").text()

private fun Element.picture() : String =
    "$ROOT${select("div.media-image > img").attr("src")}"

Usage.kt

val (picture, color) = Jsoup.connect("https://www.esbnyc.com/about/tower-lights")
        .get()
        .todayLights()

val days = Jsoup.connect("https://www.esbnyc.com/about/tower-lights/calendar").get()
        .otherLights()