FEATURE: 4622 - decouple out-of-band rendering from Fusion

Classes/Domain/Model/Feedback/Operations/ReloadContentOutOfBand.php

@@ -23,7 +23,7 @@
 use Neos\Neos\Ui\Domain\Model\AbstractFeedback;
 use Neos\Neos\Ui\Domain\Model\FeedbackInterface;
 use Neos\Neos\Ui\Domain\Model\RenderedNodeDomAddress;
-use Neos\Neos\View\FusionView;
+use Neos\Neos\Ui\View\OutOfBandRenderingViewFactory;
 use Psr\Http\Message\ResponseInterface;
 
 class ReloadContentOutOfBand extends AbstractFeedback
@@ -53,6 +53,9 @@ class ReloadContentOutOfBand extends AbstractFeedback
     #[Flow\Inject]
     protected RenderingModeService $renderingModeService;
 
+    #[Flow\Inject]
+    protected OutOfBandRenderingViewFactory $outOfBandRenderingViewFactory;
+
     public function setNode(Node $node): void
     {
         $this->node = $node;
@@ -137,14 +140,14 @@ protected function renderContent(ControllerContext $controllerContext): string|R
             if ($this->nodeDomAddress) {
                 $renderingMode = $this->renderingModeService->findByCurrentUser();
 
-                $fusionView = new FusionView();
-                $fusionView->setControllerContext($controllerContext);
-                $fusionView->setOption('renderingModeName', $renderingMode->name);
+                $view = $this->outOfBandRenderingViewFactory->resolveView();
+                $view->setControllerContext($controllerContext);
+                $view->setOption('renderingModeName', $renderingMode->name);
 
-                $fusionView->assign('value', $this->node);
-                $fusionView->setFusionPath($this->nodeDomAddress->getFusionPathForContentRendering());
+                $view->assign('value', $this->node);
+                $view->setRenderingEntryPoint($this->nodeDomAddress->getFusionPathForContentRendering());
 
-                return $fusionView->render();
+                return $view->render();
             }
         }
 

Classes/Domain/Model/Feedback/Operations/RenderContentOutOfBand.php

@@ -1,5 +1,4 @@
 <?php
-namespace Neos\Neos\Ui\Domain\Model\Feedback\Operations;
 
 /*
  * This file is part of the Neos.Neos.Ui package.
@@ -11,6 +10,10 @@
  * source code.
  */
 
+declare(strict_types=1);
+
+namespace Neos\Neos\Ui\Domain\Model\Feedback\Operations;
+
 use Neos\ContentRepository\Core\Projection\ContentGraph\Node;
 use Neos\Neos\Domain\Service\RenderingModeService;
 use Neos\Neos\FrontendRouting\NodeAddressFactory;
@@ -23,7 +26,7 @@
 use Neos\Neos\Ui\Domain\Model\AbstractFeedback;
 use Neos\Neos\Ui\Domain\Model\FeedbackInterface;
 use Neos\Neos\Ui\Domain\Model\RenderedNodeDomAddress;
-use Neos\Neos\View\FusionView;
+use Neos\Neos\Ui\View\OutOfBandRenderingViewFactory;
 use Psr\Http\Message\ResponseInterface;
 
 class RenderContentOutOfBand extends AbstractFeedback
@@ -63,6 +66,9 @@ class RenderContentOutOfBand extends AbstractFeedback
     #[Flow\Inject]
     protected RenderingModeService $renderingModeService;
 
+    #[Flow\Inject]
+    protected OutOfBandRenderingViewFactory $outOfBandRenderingViewFactory;
+
     public function setNode(Node $node): void
     {
         $this->node = $node;
@@ -183,14 +189,14 @@ protected function renderContent(ControllerContext $controllerContext): string|R
             if ($parentDomAddress) {
                 $renderingMode = $this->renderingModeService->findByCurrentUser();
 
-                $fusionView = new FusionView();
-                $fusionView->setControllerContext($controllerContext);
-                $fusionView->setOption('renderingModeName', $renderingMode->name);
+                $view = $this->outOfBandRenderingViewFactory->resolveView();
+                $view->setControllerContext($controllerContext);
+                $view->setOption('renderingModeName', $renderingMode->name);
 
-                $fusionView->assign('value', $parentNode);
-                $fusionView->setFusionPath($parentDomAddress->getFusionPath());
+                $view->assign('value', $parentNode);
+                $view->setRenderingEntryPoint($parentDomAddress->getFusionPath());
 
-                return $fusionView->render();
+                return $view->render();
             }
         }
 

Classes/View/OutOfBandRenderingCapable.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Neos.Neos.Ui package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+declare(strict_types=1);
+
+namespace Neos\Neos\Ui\View;
+
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * The interface for views capable of out-of-band rendering by accepting string serialized entry points
+ */
+interface OutOfBandRenderingCapable
+{
+    /**
+     * Set the rendering entry point, e.g. a Fusion path to use for rendering
+     */
+    public function setRenderingEntryPoint(string $renderingEntryPoint): void;
+
+    public function render(): string|ResponseInterface;
+}

Classes/View/OutOfBandRenderingFusionView.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Neos.Neos.Ui package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+declare(strict_types=1);
+
+namespace Neos\Neos\Ui\View;
+
+use Neos\Neos\View\FusionView;
+
+/**
+ * A Fusion view capable of out-of-band rendering
+ */
+class OutOfBandRenderingFusionView extends FusionView implements OutOfBandRenderingCapable
+{
+    public function setRenderingEntryPoint(string $renderingEntryPoint): void
+    {
+        $this->setFusionPath($renderingEntryPoint);
+    }
+}

Classes/View/OutOfBandRenderingViewFactory.php

@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Neos.Neos.Ui package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+declare(strict_types=1);
+
+namespace Neos\Neos\Ui\View;
+
+use Neos\Flow\Mvc\View\AbstractView;
+use Neos\Flow\Annotations as Flow;
+
+class OutOfBandRenderingViewFactory
+{
+    /**
+     * @phpstan-var class-string
+     */
+    #[Flow\InjectConfiguration(path: 'outOfBandRendering.viewObjectName')]
+    protected string $viewObjectName;
+
+    public function resolveView(): AbstractView&OutOfBandRenderingCapable
+    {
+        if (!class_exists($this->viewObjectName)) {
+            throw new \DomainException(
+                'Declared view for out of band rendering (' . $this->viewObjectName . ') does not exist',
+                1697821296
+            );
+        }
+        $view = new $this->viewObjectName();
+        if (!$view instanceof AbstractView) {
+            throw new \DomainException(
+                'Declared view (' . $this->viewObjectName . ') does not implement ' . AbstractView::class
+                . ' required for out-of-band rendering',
+                1697821429
+            );
+        }
+        if (!$view instanceof OutOfBandRenderingCapable) {
+            throw new \DomainException(
+                'Declared view (' . $this->viewObjectName . ') does not implement ' . OutOfBandRenderingCapable::class
+                . ' required for out-of-band rendering',
+                1697821364
+            );
+        }
+
+        return $view;
+    }
+}

Configuration/Settings.yaml

@@ -191,6 +191,8 @@ Neos:
           'Neos.Neos.Ui:MoveBefore': Neos\Neos\Ui\Domain\Model\Changes\MoveBefore
           'Neos.Neos.Ui:MoveAfter': Neos\Neos\Ui\Domain\Model\Changes\MoveAfter
           'Neos.Neos.Ui:MoveInto': Neos\Neos\Ui\Domain\Model\Changes\MoveInto
+      outOfBandRendering:
+        viewObjectName: 'Neos\Neos\Ui\View\OutOfBandRenderingFusionView'
   Flow:
     security:
       authentication: