wip.. adapt EventVoter to sf3

Security/Authorization/EventVoter.php

@@ -9,6 +9,10 @@ use Chill\MainBundle\Security\ProvideRoleHierarchyInterface;
 use Chill\EventBundle\Entity\Event;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
 use Chill\MainBundle\Entity\User;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface;
+use Psr\Log\LoggerInterface;
+
 
 /**
  * Description of EventVoter
@@ -18,53 +22,114 @@ use Chill\MainBundle\Entity\User;
  */
 class EventVoter extends AbstractChillVoter implements ProvideRoleHierarchyInterface
 {
-    
     const SEE = 'CHILL_EVENT_SEE';
     const SEE_DETAILS = 'CHILL_EVENT_SEE_DETAILS';
     const CREATE = 'CHILL_EVENT_CREATE';
     const UPDATE = 'CHILL_EVENT_UPDATE';
     
+    const ROLES = [
+        self::SEE,
+        self::SEE_DETAILS,
+        self::CREATE,
+        self::UPDATE
+    ];
+    
+    /**
+     * @var AuthorizationHelper
+     */
     protected $authorizationHelper;
     
-    public function __construct(AuthorizationHelper $helper)
+    /**
+     * @var AccessDecisionManagerInterface
+     */
+    protected $accessDecisionManager;
+    
+    /**
+     * @var LoggerInterface
+     */
+    protected $logger;
+    
+    public function __construct(
+        AccessDecisionManagerInterface $accessDecisionManager,
+        AuthorizationHelper $authorizationHelper,
+        LoggerInterface $logger
+    )
     {
-        $this->authorizationHelper = $helper;
+        $this->accessDecisionManager = $accessDecisionManager;
+        $this->authorizationHelper = $authorizationHelper;
+        $this->logger = $logger;
     }
     
-    protected function getSupportedAttributes()
+    public function supports($attribute, $subject)
     {
-        return array(self::SEE, self::SEE_DETAILS, 
-           self::CREATE, self::UPDATE);
+        return ($subject instanceof Event && in_array($attribute, self::ROLES))
+            ||
+            ($subject instanceof Person && \in_array($attribute, [ self::CREATE, self::SEE ]))
+            ||
+            (NULL === $subject && $attribute === self::SEE )
+            ;
     }
-
-    protected function getSupportedClasses()
+    
+    /**
+     *
+     * @param string $attribute
+     * @param Event $subject
+     * @param TokenInterface $token
+     * @return boolean
+     */
+    protected function voteOnAttribute($attribute, $subject, TokenInterface $token)
     {
-        return array(Event::class);
-    }
-
-    protected function isGranted($attribute, $event, $user = null)
-    { 
-        if (!$user instanceof User) {
-            return false;
-        } 
+        $this->logger->debug(sprintf("Voting from %s class", self::class));
         
-        return $this->authorizationHelper->userHasAccess($user, $event, $attribute);
+        if (!$token->getUser() instanceof User) {
+            return false;
+        }
+        
+        if ($subject instanceof Event) {
+            if ($subject->getPerson() === null) {
+                throw new \LogicException("You should associate a person with event "
+                    . "in order to check autorizations");
+            }
+            $person = $subject->getPerson();
+            
+        } elseif ($subject instanceof Person) {
+            $person = $subject;
+            
+        } else {
+            // subject is null. We check that at least one center is reachable
+            $centers = $this->authorizationHelper->getReachableCenters($token->getUser(), new Role($attribute));
+            
+            return count($centers) > 0;
+        }
+        
+        if (!$this->accessDecisionManager->decide($token, [PersonVoter::SEE], $person)) {
+            
+            return false;
+        }
+        
+        return $this->authorizationHelper->userHasAccess(
+            $token->getUser(),
+            $subject,
+            $attribute
+        );
     }
-
+    
+    
     public function getRoles()
     {
-        return $this->getSupportedAttributes();
+        return self::ROLES;
+    }
+    
+    public function getRolesWithHierarchy()
+    {
+        return [
+            'Event' => self::ROLES
+        ];
     }
 
     public function getRolesWithoutScope()
     {
-        return null;
+        return [];
     }
     
-        
-    public function getRolesWithHierarchy()
-    {
-        return [ 'Event' => $this->getRoles() ];
-    }
-
 }