CRUD: improve index view

CRUD/Controller/EntityPersonCRUDController.php

@@ -27,14 +27,26 @@ use Chill\PersonBundle\Entity\Person;
  */
 class EntityPersonCRUDController extends CRUDController
 {
-    protected function createEntity($action, Request $request): object
+    /**
+     * Extract the person from the request
+     * 
+     * the person parameter will be `person_id` and must be 
+     * present in the query
+     * 
+     * If the parameter is not set, this method will return null.
+     * 
+     * If the person id does not exists, the method will throw a 
+     * Symfony\Component\HttpKernel\Exception\NotFoundHttpException
+     * 
+     * @param Request $request
+     * @throws Symfony\Component\HttpKernel\Exception\NotFoundHttpException if the person with given id is not found
+     */
+    protected function getPerson(Request $request): ?Person
     {
         if (FALSE === $request->query->has('person_id')) {
-            throw $this->createNotFoundException('the person is not set');
+            return null;
         }
         
-        $entity = parent::createEntity($action, $request);
-        
         $person = $this->getDoctrine()
             ->getRepository(Person::class)
             ->find($request->query->getInt('person_id'))
@@ -44,11 +56,38 @@ class EntityPersonCRUDController extends CRUDController
             throw $this->createNotFoundException('the person with this id is not found');
         }
         
+        return $person;
+    }
+    
+    protected function createEntity($action, Request $request): object
+    {       
+        $entity = parent::createEntity($action, $request);
+        
+        $person = $this->getPerson($request);
+        
         $entity->setPerson($person);
         
         return $entity;
     }
     
+    protected function generateTemplateParameter(string $action, $entity, Request $request, array $defaultTemplateParameters = array()): array
+    {
+        $person = $this->getPerson($request);
+        
+        if (NULL === $person) {
+            throw new \Exception("the `person_id` parameter is not set in the query. "
+                . "You should set it or override the current method to allow another "
+                . "behaviour: ".__METHOD__);
+        }
+        
+        return parent::generateTemplateParameter(
+            $action, 
+            $entity, 
+            $request, 
+            \array_merge([ 'person' => $person ], $defaultTemplateParameters)
+            );
+    }
+    
     protected function getTemplateFor($action, $entity, Request $request)
     {
         if ($this->hasCustomTemplate($action, $entity, $request)) {
@@ -64,6 +103,8 @@ class EntityPersonCRUDController extends CRUDController
                 return '@ChillPerson/CRUD/view.html.twig';
             case 'delete':
                 return '@ChillPerson/CRUD/delete.html.twig';
+            case 'index':
+                return '@ChillPerson/CRUD/index.html.twig';
             default:
                 return parent::getTemplateFor($action, $entity, $request);
         }
@@ -76,7 +117,7 @@ class EntityPersonCRUDController extends CRUDController
         switch ($next) {
             case "save-and-close":
                 return $this->redirectToRoute('chill_crud_'.$this->getCrudName().'_index', [
-                    'id' => $entity->getPerson()->getId()
+                    'person_id' => $entity->getPerson()->getId()
                 ]);
             case "save-and-new":
                 return $this->redirectToRoute('chill_crud_'.$this->getCrudName().'_new', [
@@ -88,4 +129,6 @@ class EntityPersonCRUDController extends CRUDController
                     ]);
         }
     }
+    
+    
 }