src/main/kotlin/net/pterodactylus/rhynodge/webpages/weather/wettercom/WetterComTrigger.kt

   1 package net.pterodactylus.rhynodge.webpages.weather.wettercom
   2
   3 import kotlinx.html.body
   4 import kotlinx.html.div
   5 import kotlinx.html.h1
   6 import kotlinx.html.head
   7 import kotlinx.html.html
   8 import kotlinx.html.img
   9 import kotlinx.html.stream.createHTML
  10 import kotlinx.html.style
  11 import net.pterodactylus.rhynodge.Reaction
  12 import net.pterodactylus.rhynodge.State
  13 import net.pterodactylus.rhynodge.Trigger
  14 import net.pterodactylus.rhynodge.output.DefaultOutput
  15 import net.pterodactylus.rhynodge.output.Output
  16 import java.text.DateFormat
  17 import java.time.temporal.ChronoUnit.HOURS
  18 import java.util.Locale
  19
  20 /**
  21  * TODO
  22  *
  23  * @author [David ‘Bombe’ Roden](mailto:bombe@pterodactylus.net)
  24  */
  25 class WetterComTrigger : Trigger {
  26
  27     private val dateFormatter = DateFormat.getDateInstance(DateFormat.LONG, Locale.ENGLISH)
  28     private var newState = false
  29     private lateinit var currentState: WetterComState
  30
  31     override fun mergeStates(previousState: State, currentState: State): State? {
  32         newState = previousState != currentState
  33         this.currentState = currentState as WetterComState
  34         return currentState
  35     }
  36
  37     override fun triggers(): Boolean {
  38         return newState
  39     }
  40
  41     override fun output(reaction: Reaction): Output {
  42         val output = DefaultOutput("The weather (according to wetter.com) on %s".format(dateFormatter.format(currentState.dateTime.toInstant().toEpochMilli())))
  43         output.addText("text/html", htmlOutput())
  44         return output
  45     }
  46
  47     private fun htmlOutput(): String {
  48         return createHTML().html {
  49             head {
  50                 style("text/css") {
  51                     +".hour-state { display: table-row; }"
  52                     +".hour-state > div { display: table-cell; }"
  53                 }
  54             }
  55             body {
  56                 val startTime = currentState.dateTime.toInstant()
  57                 h1 { +"The Weather (according to wetter.com) on %s".format(dateFormatter.format(startTime.toEpochMilli())) }
  58                 currentState.forEach {
  59                     div("hour-state") {
  60                         div("time") { +"%tH:%<tM".format(startTime.plus(it.hourIndex.toLong(), HOURS).toEpochMilli()) }
  61                         div("temperature") { +"%d °C".format(it.temperature.toInt()) }
  62                         div("rain-probability") { +"%d%%".format((it.rainProbability * 100).toInt()) }
  63                         div("rain-amount") { +"%d l/m²".format(it.rainAmount.toInt()) }
  64                         div("wind-direction") { +it.windDirection.name }
  65                         div("wind-speed") { +"%d km/h".format(it.windSpeed.toInt()) }
  66                         div("description") { +it.description }
  67                         div("image") { img(src = it.image) }
  68                     }
  69                 }
  70             }
  71         }.toString()
  72     }
  73
  74 }