2 files changed, 80 insertions, 1 deletions

diff --git a/application/front/controller/admin/ConfigureController.php b/application/front/controller/admin/ConfigureController.php
index 44971c43..201a859b 100644
--- a/application/front/controller/admin/ConfigureController.php
+++ b/application/front/controller/admin/ConfigureController.php
@@ -99,7 +99,7 @@ class ConfigureController extends ShaarliAdminController
         ) {
             $this->saveWarningMessage(t(
                 'You have enabled or changed thumbnails mode. '
-                .'<a href="./?do=thumbs_update">Please synchronize them</a>.'
+                .'<a href="'. $this->container->basePath .'/admin/thumbnails">Please synchronize them</a>.'
             ));
         }
         $this->container->conf->set('thumbnails.mode', $thumbnailsMode);
diff --git a/application/front/controller/admin/ThumbnailsController.php b/application/front/controller/admin/ThumbnailsController.php
new file mode 100644
index 00000000..e5308510
--- /dev/null
+++ b/application/front/controller/admin/ThumbnailsController.php
@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Class ToolsController
+ *
+ * Slim controller used to handle thumbnails update.
+ */
+class ThumbnailsController extends ShaarliAdminController
+{
+    /**
+     * GET /admin/thumbnails - Display thumbnails update page
+     */
+    public function index(Request $request, Response $response): Response
+    {
+        $ids = [];
+        foreach ($this->container->bookmarkService->search() as $bookmark) {
+            // A note or not HTTP(S)
+            if ($bookmark->isNote() || !startsWith(strtolower($bookmark->getUrl()), 'http')) {
+                continue;
+            }
+
+            $ids[] = $bookmark->getId();
+        }
+
+        $this->assignView('ids', $ids);
+        $this->assignView(
+            'pagetitle',
+            t('Thumbnails update') .' - '. $this->container->conf->get('general.title', 'Shaarli')
+        );
+
+        return $response->write($this->render('thumbnails'));
+    }
+
+    /**
+     * PATCH /admin/shaare/{id}/thumbnail-update - Route for AJAX calls
+     */
+    public function ajaxUpdate(Request $request, Response $response, array $args): Response
+    {
+        $id = $args['id'] ?? null;
+
+        if (false === ctype_digit($id)) {
+            return $response->withStatus(400);
+        }
+
+        try {
+            $bookmark = $this->container->bookmarkService->get($id);
+        } catch (BookmarkNotFoundException $e) {
+            return $response->withStatus(404);
+        }
+
+        $bookmark->setThumbnail($this->container->thumbnailer->get($bookmark->getUrl()));
+        $this->container->bookmarkService->set($bookmark);
+
+        return $response->withJson($this->container->formatterFactory->getFormatter('raw')->format($bookmark));
+    }
+
+    /**
+     * @param mixed[] $data Variables passed to the template engine
+     *
+     * @return mixed[] Template data after active plugins render_picwall hook execution.
+     */
+    protected function executeHooks(array $data): array
+    {
+        $this->container->pluginManager->executeHooks(
+            'render_tools',
+            $data
+        );
+
+        return $data;
+    }
+}