1 package net.pterodactylus.sone.web.ajax
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.template.LinkedElementRenderFilter
8 import net.pterodactylus.sone.utils.jsonArray
9 import net.pterodactylus.sone.utils.jsonObject
10 import net.pterodactylus.sone.web.WebInterface
11 import net.pterodactylus.sone.web.page.FreenetRequest
12 import javax.inject.Inject
15 * Renders linked elements after they have been loaded.
17 class GetLinkedElementAjaxPage @Inject constructor(webInterface: WebInterface, private val elementLoader: ElementLoader, private val linkedElementRenderFilter: LinkedElementRenderFilter):
18 JsonPage("getLinkedElement.ajax", webInterface) {
20 override val needsFormPassword = false
21 override val requiresLogin = false
23 override fun createJsonObject(request: FreenetRequest): JsonReturnObject =
24 request.httpRequest.getParam("elements", "[]").asJson()
25 .map(JsonNode::asText)
26 .map(elementLoader::loadElement)
27 .filterNot { it.loading }
28 .map { it to renderLinkedElement(it) }
31 *(elements.map { element ->
33 put("link", element.first.link)
34 put("html", element.second)
38 }.let { linkedElements ->
39 createSuccessJsonObject().apply {
40 put("linkedElements", linkedElements)
44 private fun String.asJson() = ObjectMapper().readTree(this).asIterable()
46 private fun renderLinkedElement(linkedElement: LinkedElement) =
47 linkedElementRenderFilter.format(null, linkedElement, emptyMap())