wip: feedback about booked and assigned rooms

src/Controller/Traits/HtmxControllerTrait.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Traits;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Provides helper methods for handling HTMX responses.
+ *
+ * This trait should be used in controllers that extend Symfony's AbstractController,
+ * as it relies on the renderBlockView() method.
+ */
+trait HtmxControllerTrait
+{
+    /**
+     * Renders multiple Twig blocks for an HTMX Out-of-Band swap response.
+     *
+     * @param string               $templateName the name of the Twig template
+     * @param string[]             $blockNames   an array of block names to render
+     * @param array<string, mixed> $context      the context to pass to the template
+     */
+    protected function htmxOobResponse(string $templateName, array $blockNames, array $context = []): Response
+    {
+        $html = '';
+        // Add a flag to the context so templates can conditionally add the hx-swap-oob attribute.
+        $oobContext = $context + ['htmx_oob_swap' => true];
+
+        foreach ($blockNames as $blockName) {
+            // Use renderBlockView() to get the raw HTML string for each block.
+            $html .= $this->renderBlockView($templateName, $blockName, $oobContext);
+        }
+
+        return new Response($html);
+    }
+}