adding remove participation method

Controller/ParticipationController.php

@@ -19,6 +19,8 @@
 
 namespace Chill\EventBundle\Controller;
 
+use Chill\EventBundle\Entity\Event;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -551,8 +553,9 @@ class ParticipationController extends Controller
     
     /**
      * show a form to edit multiple participation for the same event.
-     * 
+     *
      * @param int $event_id
+     * @return \Symfony\Component\HttpFoundation\RedirectResponse|Response
      */
     public function editMultipleAction($event_id)
     {
@@ -637,8 +640,8 @@ class ParticipationController extends Controller
     }
     
     /**
-     * 
-     * @param \Doctrine\Common\Collections\Collectionn $participations contains object of Participation type
+     *
+     * @param \Doctrine\Common\Collections\Collection $participations contains object of Participation type
      * @param \Chill\EventBundle\Entity\Event $event
      * @return \Symfony\Component\Form\FormInterface
      */
@@ -669,4 +672,65 @@ class ParticipationController extends Controller
         return $form;
     }
     
+    /**
+     * @param integer $participation_id
+     * @param Request $request
+     * @return \Symfony\Component\HttpFoundation\RedirectResponse|Response
+     */
+    public function deleteAction($participation_id, Request $request)
+    {
+        $em = $this->getDoctrine()->getManager();
+        $participation = $em->getRepository('ChillEventBundle:Participation')->findOneBy([
+            'id' => $participation_id
+        ]);
+        
+        if  (! $participation) {
+            throw $this->createNotFoundException('Unable to find participation.');
+        }
+        
+        /** @var Event $event */
+        $event = $participation->getEvent();
+        
+        $form = $this->createDeleteForm($participation_id);
+        
+        if ($request->getMethod() === Request::METHOD_DELETE) {
+            $form->handleRequest($request);
+            
+            if ($form->isValid()) {
+                
+                $em->remove($participation);
+                $em->flush();
+                
+                $this->addFlash('success', $this->get('translator')
+                    ->trans("The participation has been sucessfully removed")
+                );
+                
+                return $this->redirectToRoute('chill_event__event_show', [
+                    'event_id' => $event->getId()
+                ]);
+            }
+        }
+        return $this->render('ChillEventBundle:Event:confirm_delete.html.twig', [
+            'event_id' => $event->getId(),
+            'delete_form' => $form->createView()
+        ]);
+        
+    }
+    
+    /**
+     * @param $participation_id
+     * @return \Symfony\Component\Form\FormInterface
+     */
+    private function createDeleteForm($participation_id)
+    {
+        return $this->createFormBuilder()
+            ->setAction($this->generateUrl('chill_event_participation_delete', [
+                'participation_id' => $participation_id
+            ]))
+            ->setMethod('DELETE')
+            ->add('submit', SubmitType::class, ['label' => 'Delete'])
+            ->getForm()
+            ;
+    }
+    
 }

Resources/config/routing/participation.yml

@@ -23,3 +23,11 @@ chill_event_participation_update_multiple:
     path: /{event_id}/update_multiple
     defaults: { _controller: ChillEventBundle:Participation:updateMultiple }
     methods: [POST]
+
+chill_event_participation_delete:
+    path:     /{participation_id}/delete
+    requirements:
+        participation_id:  \d+
+    defaults: { _controller: ChillEventBundle:Participation:delete }
+    methods: [ GET, DELETE ]
+

Resources/translations/messages.fr.yml

@@ -43,9 +43,13 @@ The participation was updated: La participation a été mise à jour
 'The following people have been ignored because they are already participating on the event': '{1} La personne suivante a été ignorée parce qu''elle participe déjà à l''événement | ]1,Inf] Les personnes suivantes ont été ignorées parce qu''elles participent déjà à l''événement'
 There are no participation to edit for this event: Il n'y a pas de participation pour cet événement
 The participations have been successfully updated.: Les participations ont été mises à jour.
+The participation has been sucessfully removed: La participation a été correctement supprimée.
 The participations were created: Les participations ont été créées
 Events participation: Participation aux événements
 
+Remove participation: Supprimer la participation
+Are you sure you want to remove that participation ?: Êtes-vous certain de vouloir supprimer cette participation ?
+
 #search
 Event search: Recherche d'événements
 '%total% events match the search %pattern%' : '{0} Aucun événement ne correspond aux termes de recherche "%pattern%" | {1} Un événement a été trouvé par la recherche "%pattern%" | ]1,Inf] %total% événements correspondent aux termes de recherche "%pattern%".'

Resources/views/Event/confirm_delete.html.twig

@@ -0,0 +1,20 @@
+{% extends 'ChillEventBundle::layout.html.twig' %}
+
+{% set activeRouteKey = 'chill_event__event_show' %}
+
+{% block title 'Remove participation'|trans %}
+
+{% block event_content %}
+
+    {{ include('ChillMainBundle:Util:confirmation_template.html.twig',
+        {
+            'title'             : 'Remove participation'|trans,
+            'confirm_question'  : 'Are you sure you want to remove that participation ?'|trans,
+            'cancel_route'      : activeRouteKey,
+            'cancel_parameters' : { 'event_id' : event_id },
+            'form'              : delete_form
+        }
+    ) }}
+
+{% endblock %}
+

Resources/views/Event/show.html.twig

@@ -91,6 +91,10 @@
                                     {{ 'Edit'|trans }}
                                 </a>
                             </li>
+                            <li>
+                                <a href="{{ path('chill_event_participation_delete', {'participation_id' : participation.id } ) }}"
+                                    class="sc-button bt-delete"></a>
+                            </li>
                             {% endif %}
                         </ul>
                     </td>