add the possibility to add a participation of a person to an event

ref #5

Controller/EventController.php

@@ -143,8 +143,8 @@ class EventController extends Controller
             'centers' => $event->getCenter()
         ));
         
-        $builder->add('center_id', HiddenType::class, array(
-            'data' => $event->getCenter()->getId()
+        $builder->add('event_id', HiddenType::class, array(
+            'data' => $event->getId()
         ));
         
         $builder->add('submit', SubmitType::class,

Controller/ParticipationController.php

@@ -0,0 +1,151 @@
+<?php
+
+/*
+ * Copyright (C) 2016 Champs-Libres <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\EventBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
+use Chill\EventBundle\Entity\Participation;
+use Chill\EventBundle\Form\ParticipationType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Chill\EventBundle\Security\Authorization\ParticipationVoter;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class ParticipationController extends Controller
+{
+    public function newAction(Request $request)
+    {
+        $participation = $this->handleRequest($request, new Participation());
+        
+        $this->denyAccessUnlessGranted(ParticipationVoter::CREATE, 
+                $participation, 'The user is not allowed to create this participation');
+        
+        $form = $this->createCreateForm($participation);
+        
+        return $this->render('ChillEventBundle:Participation:new.html.twig', array(
+            'form' => $form->createView(),
+            'participation' => $participation
+        ));
+    }
+    
+    public function createAction(Request $request)
+    {
+        $participation = $this->handleRequest($request, new Participation());
+        
+        $this->denyAccessUnlessGranted(ParticipationVoter::CREATE, 
+                $participation, 'The user is not allowed to create this participation');
+        
+        $form = $this->createCreateForm($participation);
+        $form->handleRequest($request);
+        
+        if ($form->isSubmitted() && $form->isValid()) {
+            $em = $this->getDoctrine()->getManager();
+            
+            $em->persist($participation);
+            $em->flush();
+            
+            $this->addFlash('success', $this->get('translator')->trans(
+                    'The participation was created'
+                    ));
+            
+            return $this->redirectToRoute('event_show', array(
+                'event_id' => $participation->getEvent()->getId()
+            ));
+        }
+        
+        return $this->render('ChillEventBundle:Participation:new.html.twig', array(
+            'form' => $form->createView(),
+            'participation' => $participation
+        ));
+    }
+    
+    /**
+     * 
+     * @param Request $request
+     * @param Participation $participation
+     * @return Participation
+     * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException if the event/person is not found
+     * @throws \Symfony\Component\Security\Core\Exception\AccessDeniedException if the user does not have access to event/person
+     */
+    protected function handleRequest(Request $request, Participation $participation)
+    {
+        $em = $this->getDoctrine()->getManager();
+        
+        $event_id = $request->query->getInt('event_id', null);
+        
+        if ($event_id !== NULL) {
+            $event = $em->getRepository('ChillEventBundle:Event')
+                ->find($event_id);
+            
+            if ($event === NULL) {
+                throw $this->createNotFoundException('The event with id '.$event_id.' is not found');
+            }
+            
+            $this->denyAccessUnlessGranted('CHILL_EVENT_SEE', $event, 
+                    'The user is not allowed to see the event');
+            
+            $participation->setEvent($event);
+        }
+        
+        $person_id = $request->query->getInt('person_id', null);
+        
+        if ($person_id !== NULL) {
+            $person = $em->getRepository('ChillPersonBundle:Person')
+                    ->find($person_id);
+            
+            if ($person === NULL) {
+                throw $this->createNotFoundException('The person with id '.$person_id.' is not found');
+            }
+            
+            $this->denyAccessUnlessGranted('CHILL_PERSON_SEE', $person,
+                    'The user is not allowed to see the person');
+            
+            $participation->setPerson($person);
+        }
+        
+        return $participation;
+    }
+    
+    /**
+     * 
+     * @param Participation $participation
+     * @return \Symfony\Component\Form\FormInterface
+     */
+    public function createCreateForm(Participation $participation)
+    {
+        $form = $this->createForm(ParticipationType::class, $participation, array(
+            'event_type' => $participation->getEvent()->getType(),
+            'action' => $this->generateUrl('chill_event_participation_create', array(
+                'event_id' => $participation->getEvent()->getId(),
+                'person_id' => $participation->getPerson()->getId()
+            ))
+        ));
+        
+        $form->add('submit', SubmitType::class, array(
+            'label' => 'Create'
+        ));
+        
+        return $form;
+    }
+    
+}