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

   1 package net.pterodactylus.sone.web.ajax
   2
   3 import com.fasterxml.jackson.databind.JsonNode
   4 import com.fasterxml.jackson.databind.ObjectMapper
   5 import net.pterodactylus.sone.core.ElementLoader
   6 import net.pterodactylus.sone.core.LinkedElement
   7 import net.pterodactylus.sone.data.Post
   8 import net.pterodactylus.sone.data.PostReply
   9 import net.pterodactylus.sone.data.Sone
  10 import net.pterodactylus.sone.data.SoneOptions
  11 import net.pterodactylus.sone.freenet.L10nFilter
  12 import net.pterodactylus.sone.template.SoneAccessor
  13 import net.pterodactylus.sone.text.TimeTextConverter
  14 import net.pterodactylus.sone.utils.jsonObject
  15 import net.pterodactylus.sone.utils.toArray
  16 import net.pterodactylus.sone.web.WebInterface
  17 import net.pterodactylus.sone.web.page.FreenetRequest
  18 import java.text.SimpleDateFormat
  19 import java.util.TimeZone
  20
  21 /**
  22  * The “get status” AJAX handler returns all information that is necessary to
  23  * update the web interface in real-time.
  24  */
  25 class GetStatusAjaxPage(webInterface: WebInterface, private val elementLoader: ElementLoader, private val timeTextConverter: TimeTextConverter, private val l10nFilter: L10nFilter, timeZone: TimeZone = TimeZone.getDefault()):
  26                 JsonPage("getStatus.ajax", webInterface) {
  27
  28         private val dateFormatter = SimpleDateFormat("MMM d, yyyy, HH:mm:ss").apply {
  29                 this.timeZone = timeZone
  30         }
  31
  32         override fun createJsonObject(request: FreenetRequest) =
  33                         getCurrentSone(request.toadletContext, false).let { currentSone ->
  34                                 createSuccessJsonObject().apply {
  35                                         this["loggedIn"] = currentSone != null
  36                                         this["options"] = currentSone?.options?.toJsonOptions() ?: jsonObject {}
  37                                         this["notificationHash"] = webInterface.getNotifications(currentSone).sortedBy { it.createdTime }.hashCode()
  38                                         this["sones"] = request.httpRequest.getParam("soneIds").split(',').map { webInterface.core.getSone(it).orNull() }.plus(currentSone).filterNotNull().toJsonSones()
  39                                         this["newPosts"] = webInterface.getNewPosts(currentSone).toJsonPosts()
  40                                         this["newReplies"] = webInterface.getNewReplies(currentSone).toJsonReplies()
  41                                         this["linkedElements"] = request.httpRequest.getParam("elements", "[]").asJson().map(JsonNode::asText).map(elementLoader::loadElement).toJsonElements()
  42                                 }
  43                         }
  44
  45         private operator fun JsonReturnObject.set(key: String, value: JsonNode) = put(key, value)
  46         private operator fun JsonReturnObject.set(key: String, value: Int) = put(key, value)
  47         private operator fun JsonReturnObject.set(key: String, value: Boolean) = put(key, value)
  48
  49         private fun String.asJson() = ObjectMapper().readTree(this).asIterable()
  50
  51         override fun needsFormPassword() = false
  52         override fun requiresLogin() = false
  53
  54         private fun SoneOptions.toJsonOptions() = jsonObject {
  55                 put("ShowNotification/NewSones", isShowNewSoneNotifications)
  56                 put("ShowNotification/NewPosts", isShowNewPostNotifications)
  57                 put("ShowNotification/NewReplies", isShowNewReplyNotifications)
  58         }
  59
  60         private fun Iterable<Sone>.toJsonSones() = map { sone ->
  61                 jsonObject {
  62                         put("id", sone.id)
  63                         put("name", SoneAccessor.getNiceName(sone))
  64                         put("local", sone.isLocal)
  65                         put("status", sone.status.name)
  66                         put("modified", webInterface.core.isModifiedSone(sone))
  67                         put("locked", webInterface.core.isLocked(sone))
  68                         put("lastUpdatedUnknown", sone.time == 0L)
  69                         synchronized(dateFormatter) {
  70                                 put("lastUpdated", dateFormatter.format(sone.time))
  71                         }
  72                         put("lastUpdatedText", timeTextConverter.getTimeText(sone.time).l10nText.let { l10nFilter.format(null, it, emptyMap()) })
  73                 }
  74         }.toArray()
  75
  76         private fun Iterable<Post>.toJsonPosts() = map { post ->
  77                 jsonObject {
  78                         put("id", post.id)
  79                         put("sone", post.sone.id)
  80                         put("time", post.time)
  81                         put("recipient", post.recipientId.orNull())
  82                 }
  83         }.toArray()
  84
  85         private fun Iterable<PostReply>.toJsonReplies() = map { reply ->
  86                 jsonObject {
  87                         put("id", reply.id)
  88                         put("sone", reply.sone.id)
  89                         put("post", reply.postId)
  90                         put("postSone", reply.post.get().sone.id)
  91                 }
  92         }.toArray()
  93
  94         private fun Iterable<LinkedElement>.toJsonElements() = map { (link, failed, loading) ->
  95                 jsonObject {
  96                         put("link", link)
  97                         put("loading", loading)
  98                         put("failed", failed)
  99                 }
 100         }.toArray()
 101
 102 }