2 files changed, 87 insertions, 0 deletions

diff --git a/application/front/controllers/PictureWallController.php b/application/front/controllers/PictureWallController.php
new file mode 100644
index 00000000..08d31b29
--- /dev/null
+++ b/application/front/controllers/PictureWallController.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller;
+
+use Shaarli\Front\Exception\ThumbnailsDisabledException;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Class PicturesWallController
+ *
+ * Slim controller used to render the pictures wall page.
+ * If thumbnails mode is set to NONE, we just render the template without any image.
+ *
+ * @package Front\Controller
+ */
+class PictureWallController extends ShaarliController
+{
+    public function index(Request $request, Response $response): Response
+    {
+        if ($this->container->conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) === Thumbnailer::MODE_NONE) {
+            throw new ThumbnailsDisabledException();
+        }
+
+        $this->assignView(
+            'pagetitle',
+            t('Picture wall') .' - '. $this->container->conf->get('general.title', 'Shaarli')
+        );
+
+        // Optionally filter the results:
+        $links = $this->container->bookmarkService->search($request->getQueryParams());
+        $linksToDisplay = [];
+
+        // Get only bookmarks which have a thumbnail.
+        // Note: we do not retrieve thumbnails here, the request is too heavy.
+        $formatter = $this->container->formatterFactory->getFormatter('raw');
+        foreach ($links as $key => $link) {
+            if (!empty($link->getThumbnail())) {
+                $linksToDisplay[] = $formatter->format($link);
+            }
+        }
+
+        $data = $this->executeHooks($linksToDisplay);
+        foreach ($data as $key => $value) {
+            $this->assignView($key, $value);
+        }
+
+        return $response->write($this->render('picwall'));
+    }
+
+    /**
+     * @param mixed[] $linksToDisplay List of formatted bookmarks
+     *
+     * @return mixed[] Template data after active plugins render_picwall hook execution.
+     */
+    protected function executeHooks(array $linksToDisplay): array
+    {
+        $data = [
+            'linksToDisplay' => $linksToDisplay,
+        ];
+        $this->container->pluginManager->executeHooks(
+            'render_picwall',
+            $data,
+            ['loggedin' => $this->container->loginManager->isLoggedIn()]
+        );
+
+        return $data;
+    }
+}
diff --git a/application/front/exceptions/ThumbnailsDisabledException.php b/application/front/exceptions/ThumbnailsDisabledException.php
new file mode 100644
index 00000000..1b9cf5b7
--- /dev/null
+++ b/application/front/exceptions/ThumbnailsDisabledException.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Exception;
+
+class ThumbnailsDisabledException extends ShaarliException
+{
+    public function __construct()
+    {
+        $message = t('Picture wall unavailable (thumbnails are disabled).');
+
+        parent::__construct($message, 400);
+    }
+}