Replace get post ajax page with Kotlin version

[Sone.git] / src / main / kotlin / net / pterodactylus / sone / web / ajax / GetPostAjaxPage.kt

diff --git a/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetPostAjaxPage.kt b/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetPostAjaxPage.kt
new file mode 100644 (file)
index 0000000..3c35125
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetPostAjaxPage.kt
@@ -0,0 +1,46 @@
+package net.pterodactylus.sone.web.ajax
+
+import net.pterodactylus.sone.data.Post
+import net.pterodactylus.sone.data.Sone
+import net.pterodactylus.sone.utils.jsonObject
+import net.pterodactylus.sone.utils.let
+import net.pterodactylus.sone.utils.parameters
+import net.pterodactylus.sone.web.WebInterface
+import net.pterodactylus.sone.web.page.FreenetRequest
+import net.pterodactylus.util.template.Template
+import net.pterodactylus.util.template.TemplateContext
+import java.io.StringWriter
+
+/**
+ * This AJAX handler retrieves information and rendered representation of a [Post].
+ */
+class GetPostAjaxPage(webInterface: WebInterface, private val postTemplate: Template) : LoggedInJsonPage("getPost.ajax", webInterface) {
+
+       override fun needsFormPassword() = false
+
+       override fun createJsonObject(currentSone: Sone, request: FreenetRequest) =
+                       request.parameters["post"]
+                                       .let(webInterface.core::getPost)
+                                       .let { post ->
+                                               createSuccessJsonObject().
+                                                               put("post", jsonObject(
+                                                                               "id" to post.id,
+                                                                               "sone" to post.sone.id,
+                                                                               "time" to post.time,
+                                                                               "recipient" to post.recipientId.orNull(),
+                                                                               "html" to post.render(currentSone, request)
+                                                               ))
+                                       } ?: createErrorJsonObject("invalid-post-id")
+
+       private fun Post.render(currentSone: Sone, request: FreenetRequest) =
+                       webInterface.templateContextFactory.createTemplateContext().apply {
+                               set("core", webInterface.core)
+                               set("request", request)
+                               set("post", this@render)
+                               set("currentSone", currentSone)
+                               set("localSones", webInterface.core.localSones)
+                       }.let { postTemplate.render(it) }
+
+}
+
+private fun Template.render(templateContext: TemplateContext) = StringWriter().use { it.also { render(templateContext, it) } }.toString()