src/main/kotlin/net/pterodactylus/rhynodge/filters/webpages/epicgames/EpicGamesMerger.kt

   1 package net.pterodactylus.rhynodge.filters.webpages.epicgames
   2
   3 import net.pterodactylus.rhynodge.Merger
   4 import net.pterodactylus.rhynodge.State
   5
   6 class EpicGamesMerger : Merger {
   7
   8         override fun mergeStates(previousState: State, currentState: State): State {
   9                 previousState as? FreeGamesState ?: throw IllegalArgumentException("previousState is not a FreeGamesState")
  10                 currentState as? FreeGamesState ?: throw IllegalArgumentException("currentState is not a FreeGamesState")
  11
  12                 val oldGames = previousState.games
  13                 val newGames = currentState.games
  14
  15                 return FreeGamesState(newGames, (newGames - oldGames).isNotEmpty())
  16         }
  17
  18 }