adding a basic search page, which create event list

ref #10
ref #18

Security/Authorization/EventVoter.php

@@ -0,0 +1,63 @@
+<?php
+
+
+
+namespace Chill\EventBundle\Security\Authorization;
+
+use Chill\MainBundle\Security\Authorization\AbstractChillVoter;
+use Chill\MainBundle\Security\ProvideRoleInterface;
+use Chill\EventBundle\Entity\Event;
+use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
+
+/**
+ * Description of EventVoter
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ * @author Champs Libres <info@champs-libres.coop>
+ */
+class EventVoter extends AbstractChillVoter implements ProvideRoleInterface
+{
+    
+    const SEE = 'CHILL_EVENT_SEE';
+    const SEE_DETAILS = 'CHILL_EVENT_SEE_DETAILS';
+    const CREATE = 'CHILL_EVENT_CREATE';
+    const UPDATE = 'CHILL_EVENT_UPDATE';
+    
+    protected $authorizationHelper;
+    
+    public function __construct(AuthorizationHelper $helper)
+    {
+        $this->authorizationHelper = $helper;
+    }
+    
+    protected function getSupportedAttributes()
+    {
+        return array(self::SEE, self::SEE_DETAILS, 
+           self::CREATE, self::UPDATE);
+    }
+
+    protected function getSupportedClasses()
+    {
+        return array(Event::class);
+    }
+
+    protected function isGranted($attribute, $event, $user = null)
+    {
+        if (!$user instanceof User) {
+            return false;
+        }
+        
+        return $this->helper->userHasAccess($user, $event, $attribute);
+    }
+
+    public function getRoles()
+    {
+        return $this->getSupportedAttributes();
+    }
+
+    public function getRolesWithoutScope()
+    {
+        return null;
+    }
+
+}