Handled webforms now allowing multiple categories

Author: jekuaitk

src/Controller/WebformController.php

@@ -184,7 +184,7 @@ public function index(): array {
               '#type' => 'container',
               '#attributes' => [
                 'class' => ['category'],
-                'data-indexed' => strip_tags($attributes['category']),
+                'data-indexed' => implode(', ', json_decode($attributes['categories'])),
               ],
 
               'label' => [
@@ -199,7 +199,7 @@ public function index(): array {
                 '#attributes' => [
                   'class' => ['value'],
                 ],
-                '#value' => $attributes['category'],
+                '#value' => implode(', ', json_decode($attributes['categories'])),
               ],
             ],
 

src/Helper/JsonAPISerializer.php

@@ -80,13 +80,15 @@ static function ($key) {
         return in_array($key, [
           'title',
           'description',
-          'category',
+          'categories',
           'elements',
         ]);
       },
       ARRAY_FILTER_USE_KEY
     );
 
+    $attributes['categories'] = json_encode($attributes['categories']);
+
     $attributes = array_map('html_entity_decode', $attributes);
 
     if (isset($attributes['elements'])) {