Issue #3441986 by erik_petra, LupusGr3y: Can't disable transform block

src/Controller/BlockController.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\transform_api\Controller;
 
+use Drupal\block\BlockInterface;
 use Drupal\Component\Serialization\Json;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\EventSubscriber\MainContentViewSubscriber;
@@ -9,6 +10,7 @@ use Drupal\Core\Menu\LocalActionManagerInterface;
 use Drupal\Core\Plugin\Context\LazyContextRepository;
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\Core\Url;
+use Drupal\transform_api\TransformBlockInterface;
 use Drupal\transform_api\TransformBlockManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -226,4 +228,21 @@ class BlockController extends ControllerBase {
     return $this->entityFormBuilder()->getForm($entity);
   }
 
+  /**
+   * Calls a method on a transform block and reloads the listing page.
+   *
+   * @param \Drupal\transform_api\TransformBlockInterface $transform_block
+   *   The transform block being acted upon.
+   * @param string $op
+   *   The operation to perform, e.g., 'enable' or 'disable'.
+   *
+   * @return \Symfony\Component\HttpFoundation\RedirectResponse
+   *   A redirect back to the listing page.
+   */
+  public function performOperation(TransformBlockInterface $transform_block, $op) {
+    $transform_block->$op()->save();
+    $this->messenger()->addStatus($this->t('The block settings have been updated.'));
+    return $this->redirect('transform_api.transform_block.admin_display');
+  }
+
 }

transform_api.routing.yml

@@ -103,19 +103,19 @@ entity.transform_block.edit_form:
 entity.transform_block.enable:
   path: '/admin/structure/block/transform/manage/{transform_block}/enable'
   defaults:
-    _controller: '\Drupal\block\Controller\BlockController::performOperation'
+    _controller: '\Drupal\transform_api\Controller\BlockController::performOperation'
     op: enable
   requirements:
-    _entity_access: 'transform_block.enable'
+    _permission: 'administer transform blocks'
     _csrf_token: 'TRUE'
 
 entity.transform_block.disable:
   path: '/admin/structure/block/transform/manage/{transform_block}/disable'
   defaults:
-    _controller: '\Drupal\block\Controller\BlockController::performOperation'
+    _controller: '\Drupal\transform_api\Controller\BlockController::performOperation'
     op: disable
   requirements:
-    _entity_access: 'transform_block.disable'
+    _permission: 'administer transform blocks'
     _csrf_token: 'TRUE'
 
 transform_api.transform_block.admin_display: