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