src/main/kotlin/net/pterodactylus/rhynodge/webpages/weather/WeatherTrigger.kt

   1 package net.pterodactylus.rhynodge.webpages.weather
   2
   3 import net.pterodactylus.rhynodge.State
   4 import net.pterodactylus.rhynodge.Trigger
   5
   6 /**
   7  * Detects changes in the weather and creates email texts.
   8  *
   9  * @author [David ‘Bombe’ Roden](mailto:bombe@pterodactylus.net)
  10  */
  11 class WeatherTrigger : Trigger {
  12
  13         private lateinit var state: WeatherState
  14         private var changed = false
  15
  16         override fun mergeStates(previousState: State, currentState: State): State {
  17                 changed = previousState != currentState
  18                 state = currentState as WeatherState
  19                 return currentState
  20         }
  21
  22         override fun triggers() = changed
  23
  24 }