asdasd

src/App/ListingCatalog.php

@@ -368,6 +368,29 @@ final class ListingCatalog
         }
     }
 
+    public function resolveExistingCategorySlug(string $input): ?string
+    {
+        $this->ensureSchema();
+        $input = trim($input);
+        if ($input === '') {
+            return null;
+        }
+
+        $stmt = $this->pdo->prepare(
+            'SELECT slug
+             FROM listing_categories
+             WHERE slug = :slug OR LOWER(title) = LOWER(:title)
+             ORDER BY sort_order ASC, id ASC
+             LIMIT 1'
+        );
+        $stmt->execute([
+            'slug' => $input,
+            'title' => $input,
+        ]);
+        $slug = $stmt->fetchColumn();
+        return $slug !== false ? (string)$slug : null;
+    }
+
     public function listPublishedDirectoryEntries(): array
     {
         $this->ensureSchema();