Removed objectManager

Controller/Adminhtml/Theme/FixAll.php

@@ -2,22 +2,31 @@
 
 namespace Swissup\Core\Controller\Adminhtml\Theme;
 
+use Magento\Backend\App\Action\Context;
 use Magento\Framework\Controller\ResultFactory;
+use Magento\Theme\Model\ResourceModel\Theme\CollectionFactory;
 
 class FixAll extends \Magento\Backend\App\Action
 {
-    const ADMIN_RESOURCE = 'Swissup_Core::theme_fixall';
+    private CollectionFactory $collectionFactory;
+
+    public function __construct(
+        Context $context,
+        CollectionFactory $collectionFactory
+    ) {
+        parent::__construct($context);
+        $this->collectionFactory = $collectionFactory;
+    }
 
     public function execute()
-    {
+    {        
+        $virtualThemes = $this->collectionFactory->create()->addFieldToFilter('type', 1);
+        foreach ($virtualThemes as $theme) {
+            $theme->setType(0)->save();
+        }
+
         $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);
         $resultJson->setData(['message' => 'Virtual themes fixed. Please, clear the cache!']);
-
-        $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
-
-        $connection = $objectManager->create('\Magento\Framework\App\ResourceConnection')->getConnection();
-        $tableName = $connection->getTableName('theme');
-        $connection->update($tableName, ['type' => 0]);
 
         return $resultJson;
     }