check rendering mode and hide hidden nodes to fix flownative#41

Classes/Aspects/NodeConverterAspect.php

@@ -0,0 +1,54 @@
+<?php
+namespace Flownative\WorkspacePreview\Aspects;
+
+use Neos\Flow\Annotations as Flow;
+use Neos\Flow\Aop\JoinPointInterface;
+use Neos\Flow\Security\Context;
+use Neos\Neos\Domain\Service\UserInterfaceModeService;
+
+/**
+ * @Flow\Scope("singleton")
+ * @Flow\Aspect
+ */
+class NodeConverterAspect
+{
+
+    /**
+     * @Flow\Inject
+     * @var Context
+     */
+    protected $securityContext;
+
+    /**
+     * @Flow\Inject
+     * @var UserInterfaceModeService
+     */
+    protected $userInterfaceModeService;
+
+    /**
+     * @Flow\Around("method(Neos\ContentRepository\TypeConverter\NodeConverter->prepareContextProperties())")
+     * @param \Neos\Flow\Aop\JoinPointInterface $joinPoint The current join point
+     * @return array
+     */
+    public function suppressInvisibleContentShown(JoinPointInterface $joinPoint)
+    {
+        $contextProperties = $joinPoint->getAdviceChain()->proceed($joinPoint);
+        $workspaceName = $joinPoint->getMethodArgument('workspaceName');
+
+        try {
+            if (
+                $workspaceName !== 'live'
+                && (
+                    $this->userInterfaceModeService->findModeByCurrentUser()->isPreview()
+                    || $this->securityContext->hasRole('Flownative.WorkspacePreview:WorkspacePreviewer')
+                )
+            ) {
+                $contextProperties['invisibleContentShown'] = false;
+            }
+        } catch (\Neos\Flow\Security\Exception\NoSuchRoleException|\Neos\Flow\Security\Exception $e) {
+            // ignore
+        }
+
+        return $contextProperties;
+    }
+}