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

   1 package net.pterodactylus.rhynodge.filters.webpages.epicgames
   2
   3 import com.fasterxml.jackson.databind.JsonNode
   4 import net.pterodactylus.rhynodge.Filter
   5 import net.pterodactylus.rhynodge.State
   6 import net.pterodactylus.rhynodge.states.AbstractState
   7 import net.pterodactylus.rhynodge.states.JsonState
   8 import java.time.Instant
   9
  10 class EpicGamesFilter : Filter {
  11
  12         override fun filter(state: State): State {
  13                 state as? JsonState ?: throw IllegalArgumentException("state must be a JSON state")
  14                 return state.jsonNode.at("/data/Catalog/searchStore/elements").map { gameJson: JsonNode ->
  15                         val title = gameJson.get("title").asText()
  16                         val imageUrl = gameJson.at("/keyImages/1/url").asText()
  17                         val startDate = getPromotionalOfferStartDate(gameJson)
  18                         val endDate = getPromotionalOfferEndDate(gameJson)
  19                         FreeGame(title, imageUrl, startDate, endDate)
  20                 }.let { FreeGamesState(it.toSet()) }
  21         }
  22
  23         private fun getPromotionalOfferEndDate(gameJson: JsonNode) = getPromotionalOfferDate(gameJson, "endDate")
  24         private fun getPromotionalOfferStartDate(gameJson: JsonNode) = getPromotionalOfferDate(gameJson, "startDate")
  25
  26         private fun getPromotionalOfferDate(gameJson: JsonNode, date: String) = listOf("promotionalOffers", "upcomingPromotionalOffers")
  27                 .map { "/promotions/$it/0/promotionalOffers/0/$date" }
  28                 .map(gameJson::at)
  29                 .filterNot(JsonNode::isMissingNode)
  30                 .map(JsonNode::asText)
  31                 .map(Instant::parse)
  32                 .first()
  33
  34 }
  35
  36 class FreeGamesState(val games: Set<FreeGame>) : AbstractState(true) {
  37
  38         override fun plainText(): String {
  39                 TODO("Not yet implemented")
  40         }
  41
  42 }