Add website-type TFE support: URLs stored as thesis_files rows, HTMX-toggle on Site web format

app/src/Controllers/ThesisCreateController.php

@@ -216,6 +216,9 @@ class ThesisCreateController
         $this->db->handleBannerUpload($thesisId, $files['banner'] ?? null);
         $this->handleThesisFiles($thesisId, $data['annee'], $identifier, $files['files'] ?? null, $authorSlug, $post);
 
+        // ── 6. Website URL — stored as thesis_files row ──────────────────────
+        $this->handleWebsiteUrl($thesisId, $post);
+
         return $thesisId;
     }
 
@@ -813,4 +816,41 @@ class ThesisCreateController
         }
         return $candidate;
     }
+
+    /**
+     * Store a website URL as a thesis_files row (file_type = 'website').
+     *
+     * The URL is stored in file_path; no filesystem operation is performed.
+     * label and sort_order from the POST are preserved.
+     */
+    private function handleWebsiteUrl(int $thesisId, array $post): void
+    {
+        $websiteUrl = trim($post['website_url'] ?? '');
+        if ($websiteUrl === '') {
+            return;
+        }
+
+        // Validate URL
+        $websiteUrl = filter_var($websiteUrl, FILTER_VALIDATE_URL);
+        if ($websiteUrl === false) {
+            error_log('ThesisCreateController: invalid website URL, skipping');
+            return;
+        }
+
+        $label     = trim($post['website_label'] ?? '');
+        $sortOrder = isset($post['website_order']) ? (int)$post['website_order'] : null;
+        $fileName  = rtrim(preg_replace('#^https?://#i', '', $websiteUrl), '/');
+
+        $this->db->insertThesisFile(
+            $thesisId,
+            'website',
+            $websiteUrl,
+            $fileName,
+            0,
+            'text/html',
+            $label !== '' ? $label : null,
+            $sortOrder
+        );
+        error_log("ThesisCreateController: website stored → $websiteUrl");
+    }
 }