generalized to include taxonomy

src/Controller/MetadataProfileController.php

@@ -194,11 +194,13 @@ class MetadataProfileController extends ControllerBase {
       $container->get('entity_type.manager'),
     );
   }
+
   /**
    * Builds a reverse map of field name → indexed field entries across all
    * Search API indexes.
    *
    * Map structure:
+   *
    * @code
    * [
    *   'field_abstract' => [
@@ -329,7 +331,8 @@ class MetadataProfileController extends ControllerBase {
    *   The bundle configuration object.
    *
    * @return array
-   *   A render array containing the bundle label, machine name, and description.
+   *   A render array containing the bundle label, machine name, and
+   *   description.
    */
   protected function formatBundle(Config $bundle) {
     if (str_starts_with($bundle->getName(), 'node.type')) {
@@ -1397,7 +1400,7 @@ class MetadataProfileController extends ControllerBase {
           if (is_array($element)) {
             if (isset($element['data']) && array_key_exists('#markup', $element['data'])) {
               preg_match('/title=["\']([^"\']*)["\']/', $element['data']['#markup'], $matches);
-              $rows[$row_key][$element_key] = $matches[1] ?? null;
+              $rows[$row_key][$element_key] = $matches[1] ?? NULL;
             }
             else {
               $rows[$row_key][$element_key] = implode('|', $element);
@@ -1420,14 +1423,14 @@ class MetadataProfileController extends ControllerBase {
    * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
    *   The file download response.
    */
-  public function download(NodeTypeInterface $node_type) {
+  public function download(?NodeTypeInterface $node_type = NULL) {
     // Rebuild your state from the entity
+    if ($node_type) {
       $this->entityBundle = $node_type->id();
       $this->entityTypeBundleOf = $node_type->getEntityType()->getBundleOf();
+    }
 
-    $contentType = $this->entityBundle;
     $entityKey = $this->entityTypeBundleOf;
-
     $headers = array_map(function($header) {
       return is_array($header) && isset($header['data']) ? (string) $header['data'] : (string) $header;
     }, $this->getHeaders());
@@ -1435,7 +1438,7 @@ class MetadataProfileController extends ControllerBase {
     $rows = $this->getRows($metadata_profile);
     $rows = $this->sanitizeRowsForCSV($rows);
 
-    $filename_slug = "{$entityKey}__{$contentType}.csv";
+    $filename_slug = "{$entityKey}__{$this->entityBundle}.csv";
     $filename = $this->fileSystem->getTempDirectory() . '/' . $filename_slug;
 
     if (file_exists($filename)) {
@@ -1613,7 +1616,6 @@ class MetadataProfileController extends ControllerBase {
     }
 
     foreach ($field_definitions as $field_name => $field_definition) {
-
       // Only configurable fields (skip base fields like title)
       if ($field_definition->getFieldStorageDefinition() instanceof \Drupal\Core\Field\BaseFieldDefinition) {
         continue;