Popover for CMS articles

com.woltlab.wcf/templates/article.tpl

@@ -272,7 +272,7 @@
 						<span class="articleNavigationArticleContent">
 							<span class="articleNavigationEntityName">{lang}wcf.article.previousArticle{/lang}</span>
 							<span class="articleNavigationArticleTitle">
-								<a href="{$previousArticle->getLink()}" rel="prev" class="articleNavigationArticleLink">
+								<a href="{$previousArticle->getLink()}" rel="prev" class="articleNavigationArticleLink articleLink" data-object-id="{$previousArticle->getObjectID()}">
 									{$previousArticle->getTitle()}
 								</a>
 							</span>
@@ -291,7 +291,7 @@
 						<span class="articleNavigationArticleContent">
 							<span class="articleNavigationEntityName">{lang}wcf.article.nextArticle{/lang}</span>
 							<span class="articleNavigationArticleTitle">
-								<a href="{$nextArticle->getLink()}" rel="next" class="articleNavigationArticleLink">
+								<a href="{$nextArticle->getLink()}" rel="next" class="articleNavigationArticleLink articleLink" data-object-id="{$nextArticle->getObjectID()}">
 									{$nextArticle->getTitle()}
 								</a>
 							</span>

com.woltlab.wcf/templates/articlePopover.tpl

@@ -0,0 +1,31 @@
+<div class="popover__layout">
+	{if $article->getTeaserImage()}
+		<div class="popover__coverPhoto">
+			<img class="popover__coverPhoto__image" src="{$article->getTeaserImage()->getThumbnailLink('medium')}" alt="">
+		</div>
+	{/if}
+
+	<div class="popover__header">
+		{event name='beforeHeader'}
+
+		<div class="popover__avatar">
+			{user object=$article->getUserProfile() type='avatar48' ariaHidden='true' tabindex='-1'}
+		</div>
+		<div class="popover__title">
+			<a href="{$article->getLink()}">{$article->getTitle()}</a>
+		</div>
+		<div class="popover__time">
+			{time time=$article->time}
+		</div>
+
+		{event name='afterHeader'}
+	</div>
+
+	{event name='beforeText'}
+
+	<div class="popover__text htmlContent">
+		{unsafe:$article->getFormattedTeaser()}
+	</div>
+
+	{event name='afterText'}
+</div>

com.woltlab.wcf/templates/boxArticleList.tpl

@@ -5,7 +5,7 @@
 				<a href="{$boxArticle->getLink()}" aria-hidden="true" tabindex="-1">{unsafe:$boxArticle->getUserProfile()->getAvatar()->getImageTag(24)}</a>
 
 				<div class="sidebarItemTitle">
-					<h3><a href="{$boxArticle->getLink()}">{$boxArticle->getTitle()}</a></h3>
+					<h3>{anchor object=$boxArticle class='articleLink' title=$boxArticle->getTitle()}</h3>
 
 					<small>
 						{if $boxSortField == 'time'}

ts/WoltLabSuite/Core/Api/Articles/GetArticlePopover.ts

@@ -0,0 +1,28 @@
+/**
+ * Gets the html code for the rendering of an article popover.
+ *
+ * @author  Marcel Werk
+ * @copyright  2001-2025 WoltLab GmbH
+ * @license  GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @since 6.2
+ */
+
+import { prepareRequest } from "WoltLabSuite/Core/Ajax/Backend";
+import { ApiResult, apiResultFromError, apiResultFromValue } from "WoltLabSuite/Core/Api/Result";
+
+type Response = {
+  template: string;
+};
+
+export async function getArticlePopover(articleId: number): Promise<ApiResult<string>> {
+  const url = new URL(`${window.WSC_RPC_API_URL}core/articles/${articleId}/popover`);
+
+  let response: Response;
+  try {
+    response = (await prepareRequest(url).get().fetchAsJson()) as Response;
+  } catch (e) {
+    return apiResultFromError(e);
+  }
+
+  return apiResultFromValue(response.template);
+}

ts/WoltLabSuite/Core/BootstrapFrontend.ts

@@ -19,6 +19,7 @@ import UiPageMenuMainFrontend from "./Ui/Page/Menu/Main/Frontend";
 import { whenFirstSeen } from "./LazyLoader";
 import { prepareRequest } from "./Ajax/Backend";
 import { setup as serviceWorkerSetup } from "./Notification/ServiceWorker";
+import { getArticlePopover } from "./Api/Articles/GetArticlePopover";
 
 interface BootstrapOptions {
   backgroundQueue: {
@@ -57,6 +58,20 @@ function setupUserPopover(endpoint: string): void {
   });
 }
 
+function setupArticlePopover(): void {
+  whenFirstSeen(".articleLink", () => {
+    void import("WoltLabSuite/Core/Component/Popover").then(({ setupFor }) => {
+      setupFor({
+        endpoint: async (objectId: number) => {
+          return (await getArticlePopover(objectId)).unwrap();
+        },
+        identifier: "com.woltlab.wcf.article",
+        selector: ".articleLink",
+      });
+    });
+  });
+}
+
 declare const COMPILER_TARGET_DEFAULT: boolean;
 
 /**
@@ -80,6 +95,7 @@ export function setup(options: BootstrapOptions): void {
   }
 
   setupUserPopover(options.endpointUserPopover);
+  setupArticlePopover();
 
   if (options.executeCronjobs !== undefined) {
     void prepareRequest(options.executeCronjobs)

wcfsetup/install/files/lib/bootstrap/com.woltlab.wcf.php

@@ -116,6 +116,7 @@ static function (\wcf\event\acp\dashboard\box\BoxCollecting $event) {
     $eventHandler->register(
         \wcf\event\endpoint\ControllerCollecting::class,
         static function (\wcf\event\endpoint\ControllerCollecting $event) {
+            $event->register(new \wcf\system\endpoint\controller\core\articles\GetArticlePopover);
             $event->register(new \wcf\system\endpoint\controller\core\files\DeleteFile);
             $event->register(new \wcf\system\endpoint\controller\core\files\GenerateThumbnails);
             $event->register(new \wcf\system\endpoint\controller\core\files\PrepareUpload);

wcfsetup/install/files/lib/data/article/Article.class.php

@@ -7,6 +7,7 @@
 use wcf\data\attachment\GroupedAttachmentList;
 use wcf\data\DatabaseObject;
 use wcf\data\ILinkableObject;
+use wcf\data\IPopoverObject;
 use wcf\data\IUserContent;
 use wcf\data\object\type\ObjectTypeCache;
 use wcf\data\user\UserProfile;
@@ -38,7 +39,7 @@
  * @property-read   int $isDeleted      is 1 if the article is in trash bin, otherwise 0
  * @property-read   int $hasLabels      is `1` if labels are assigned to the article
  */
-class Article extends DatabaseObject implements ILinkableObject, IUserContent
+class Article extends DatabaseObject implements ILinkableObject, IPopoverObject, IUserContent
 {
     /**
      * indicates that article is unpublished
@@ -443,4 +444,10 @@ public function getAttachments(): ?GroupedAttachmentList
 
         return null;
     }
+
+    #[\Override]
+    public function getPopoverLinkClass()
+    {
+        return 'articleLink';
+    }
 }

wcfsetup/install/files/lib/system/endpoint/controller/core/articles/GetArticlePopover.class.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace wcf\system\endpoint\controller\core\articles;
+
+use Laminas\Diactoros\Response\JsonResponse;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use wcf\data\article\Article;
+use wcf\data\article\ViewableArticle;
+use wcf\http\Helper;
+use wcf\system\endpoint\GetRequest;
+use wcf\system\endpoint\IController;
+use wcf\system\exception\PermissionDeniedException;
+use wcf\system\WCF;
+
+/**
+ * API endpoint for the rendering of the article popover.
+ *
+ * @author      Marcel Werk
+ * @copyright   2001-2025 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @since       6.2
+ */
+#[GetRequest('/core/articles/{id:\d+}/popover')]
+final class GetArticlePopover implements IController
+{
+    #[\Override]
+    public function __invoke(ServerRequestInterface $request, array $variables): ResponseInterface
+    {
+        $article = Helper::fetchObjectFromRequestParameter($variables['id'], Article::class);
+
+        $this->assertArticleIsAccessible($article);
+
+        return new JsonResponse([
+            'template' => $this->renderPopover($article),
+        ]);
+    }
+
+    private function assertArticleIsAccessible(Article $article): void
+    {
+        if (!$article->canRead()) {
+            throw new PermissionDeniedException();
+        }
+    }
+
+    private function renderPopover(Article $article): string
+    {
+        return WCF::getTPL()->fetch('articlePopover', 'wcf', [
+            'article' => ViewableArticle::getArticle($article->articleID),
+        ], true);
+    }
+}