Implement the controller action to view the EntityworkflowSend

src/Bundle/ChillMainBundle/Workflow/EntityWorkflowManager.php

@@ -13,9 +13,16 @@ namespace Chill\MainBundle\Workflow;
 
 use Chill\DocStoreBundle\Entity\StoredObject;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflow;
+use Chill\MainBundle\Entity\Workflow\EntityWorkflowSend;
 use Chill\MainBundle\Workflow\Exception\HandlerNotFoundException;
+use Chill\MainBundle\Workflow\Exception\HandlerWithPublicViewNotFoundException;
 use Symfony\Component\Workflow\Registry;
 
+/**
+ * Manage the handler and performs some operation on handlers.
+ *
+ * Each handler must implement @{EntityWorkflowHandlerInterface::class}.
+ */
 class EntityWorkflowManager
 {
     /**
@@ -63,4 +70,26 @@ class EntityWorkflowManager
 
         return [];
     }
+
+    /**
+     * Renders the public view for the given entity workflow send.
+     *
+     * @param EntityWorkflowSend $entityWorkflowSend the entity workflow send object
+     *
+     * @return string the rendered public view
+     *
+     * @throws HandlerWithPublicViewNotFoundException if no handler with public view is found
+     */
+    public function renderPublicView(EntityWorkflowSend $entityWorkflowSend): string
+    {
+        $entityWorkflow = $entityWorkflowSend->getEntityWorkflowStep()->getEntityWorkflow();
+
+        foreach ($this->handlers as $handler) {
+            if ($handler instanceof EntityWorkflowWithPublicViewInterface && $handler->supports($entityWorkflow)) {
+                return $handler->renderPublicView($entityWorkflowSend);
+            }
+        }
+
+        throw new HandlerWithPublicViewNotFoundException();
+    }
 }

src/Bundle/ChillMainBundle/Workflow/EntityWorkflowWithPublicViewInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Workflow;
+
+use Chill\MainBundle\Entity\Workflow\EntityWorkflowSend;
+
+interface EntityWorkflowWithPublicViewInterface
+{
+    /**
+     * Render the public view for EntityWorkflowSend.
+     *
+     * The public view must be a safe html string
+     */
+    public function renderPublicView(EntityWorkflowSend $entityWorkflowSend): string;
+}

src/Bundle/ChillMainBundle/Workflow/Exception/HandlerWithPublicViewNotFoundException.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Workflow\Exception;
+
+class HandlerWithPublicViewNotFoundException extends \RuntimeException {}