X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Fweb%2Fajax%2FGetLinkedElementAjaxPage.kt;fp=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Fweb%2Fajax%2FGetLinkedElementAjaxPage.kt;h=285c479c603bdeae67df538485a8e78bc76649eb;hp=0000000000000000000000000000000000000000;hb=0f0f4c89310e912c996b766ebe170ecb0f20ddf0;hpb=5dab84b3d65734bd58dbe00d9ac951ca3ab2c532

diff --git a/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetLinkedElementAjaxPage.kt b/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetLinkedElementAjaxPage.kt
new file mode 100644
index 0000000..285c479
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/web/ajax/GetLinkedElementAjaxPage.kt
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+package net.pterodactylus.sone.web.ajax
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.ObjectMapper
+import net.pterodactylus.sone.core.ElementLoader
+import net.pterodactylus.sone.core.LinkedElement
+import net.pterodactylus.sone.template.LinkedElementRenderFilter
+import net.pterodactylus.sone.utils.jsonArray
+import net.pterodactylus.sone.utils.jsonObject
+import net.pterodactylus.sone.web.WebInterface
+import net.pterodactylus.sone.web.page.FreenetRequest
+
+/**
+ * Renders linked elements after they have been loaded.
+ */
+class GetLinkedElementAjaxPage(webInterface: WebInterface, private val elementLoader: ElementLoader, private val linkedElementRenderFilter: LinkedElementRenderFilter):
+		JsonPage("getLinkedElement.ajax", webInterface) {
+
+	override fun createJsonObject(request: FreenetRequest): JsonReturnObject =
+			request.httpRequest.getParam("elements", "[]").asJson()
+					.map(JsonNode::asText)
+					.map(elementLoader::loadElement)
+					.filterNot { it.loading }
+					.map { it to renderLinkedElement(it) }
+					.let { elements ->
+						jsonArray(
+								*(elements.map { element ->
+									jsonObject {
+										put("link", element.first.link)
+										put("html", element.second)
+									}
+								}.toTypedArray())
+						)
+					}.let { linkedElements ->
+				createSuccessJsonObject().apply {
+					put("linkedElements", linkedElements)
+				}
+			}
+
+	override fun needsFormPassword() = false
+	override fun requiresLogin() = false
+
+	private fun String.asJson() = ObjectMapper().readTree(this).asIterable()
+
+	private fun renderLinkedElement(linkedElement: LinkedElement) =
+			linkedElementRenderFilter.format(null, linkedElement, emptyMap())
+
+}