1 files changed, 62 insertions, 0 deletions
diff --git a/apps/updatenotification/lib/Controller/ChangelogController.php b/apps/updatenotification/lib/Controller/ChangelogController.php
new file mode 100644
index 00000000000..a274ed3d2b2
--- /dev/null
+++ b/apps/updatenotification/lib/Controller/ChangelogController.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\UpdateNotification\Controller;
+
+use OCA\UpdateNotification\Manager;
+use OCP\App\IAppManager;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
+use OCP\AppFramework\Http\Attribute\OpenAPI;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Services\IInitialState;
+use OCP\IRequest;
+use OCP\Util;
+
+#[OpenAPI(scope: OpenAPI::SCOPE_IGNORE)]
+class ChangelogController extends Controller {
+
+	public function __construct(
+		string $appName,
+		IRequest $request,
+		private Manager $manager,
+		private IAppManager $appManager,
+		private IInitialState $initialState,
+	) {
+		parent::__construct($appName, $request);
+	}
+
+	/**
+	 * This page is only used for clients not support showing the app changelog feature in-app and thus need to show it on a dedicated page.
+	 * @param string $app App to show the changelog for
+	 * @param string|null $version Version entry to show (defaults to latest installed)
+	 */
+	#[NoAdminRequired]
+	#[NoCSRFRequired]
+	public function showChangelog(string $app, ?string $version = null): TemplateResponse {
+		$version = $version ?? $this->appManager->getAppVersion($app);
+		$appInfo = $this->appManager->getAppInfo($app) ?? [];
+		$appName = $appInfo['name'] ?? $app;
+
+		$changes = $this->manager->getChangelog($app, $version) ?? '';
+		// Remove version headline
+		/** @var string[] */
+		$changes = explode("\n", $changes, 2);
+		$changes = trim(end($changes));
+
+		$this->initialState->provideInitialState('changelog', [
+			'appName' => $appName,
+			'appVersion' => $version,
+			'text' => $changes,
+		]);
+
+		Util::addScript($this->appName, 'view-changelog-page');
+		return new TemplateResponse($this->appName, 'empty');
+	}
+}