src/main/kotlin/net/pterodactylus/sone/web/ajax/UnlikeAjaxPage.kt

   1 package net.pterodactylus.sone.web.ajax
   2
   3 import net.pterodactylus.sone.data.Sone
   4 import net.pterodactylus.sone.utils.emptyToNull
   5 import net.pterodactylus.sone.utils.parameters
   6 import net.pterodactylus.sone.web.WebInterface
   7 import net.pterodactylus.sone.web.page.FreenetRequest
   8
   9 /**
  10  * AJAX page that lets the user unlike a [net.pterodactylus.sone.data.Post].
  11  */
  12 class UnlikeAjaxPage(webInterface: WebInterface) : LoggedInJsonPage("unlike.ajax", webInterface) {
  13
  14         override fun createJsonObject(currentSone: Sone, request: FreenetRequest) = when (request.parameters["type"]) {
  15                 "post" -> request.processEntity("post", currentSone::removeLikedPostId)
  16                 "reply" -> request.processEntity("reply", currentSone::removeLikedReplyId)
  17                 else -> createErrorJsonObject("invalid-type")
  18         }
  19
  20         private fun FreenetRequest.processEntity(entity: String, likeRemover: (String) -> Unit) =
  21                         parameters[entity].emptyToNull
  22                                         ?.also(likeRemover)
  23                                         ?.also { core.touchConfiguration() }
  24                                         ?.let { createSuccessJsonObject() }
  25                                         ?: createErrorJsonObject("invalid-$entity-id")
  26
  27 }