add list of task

Repository/SingleTaskRepository.php

@@ -2,12 +2,83 @@
 
 namespace Chill\TaskBundle\Repository;
 
+use Chill\MainBundle\Entity\User;
+use Doctrine\ORM\QueryBuilder;
+use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
+use Symfony\Component\Security\Core\Role\Role;
+use Chill\TaskBundle\Security\Authorization\TaskVoter;
+
 /**
  * SingleTaskRepository
- *
- * This class was generated by the Doctrine ORM. Add your own custom
- * repository methods below.
  */
 class SingleTaskRepository extends \Doctrine\ORM\EntityRepository
 {
+    /**
+     *
+     * @var AuthorizationHelper
+     */
+    protected $authorizationHelper;
+    
+    public function setAuthorizationHelper(AuthorizationHelper $authorizationHelper)
+    {
+        $this->authorizationHelper = $authorizationHelper;
+    }
+    
+    public function findByParameters($params, User $currentUser)
+    {
+        $qb = $this->createQueryBuilder('st');
+        
+        $this->buildQuery($qb, $params, $currentUser);
+        
+        return $qb
+            ->getQuery()
+            ->getResult()
+            ;
+    }
+    
+    protected function buildQuery(QueryBuilder $qb, $params, User $currentUser)
+    {
+        $this->buildACLQuery($qb, $currentUser);
+        
+        if (\array_key_exists('person', $params)) {
+            $qb->andWhere($qb->expr()->eq('st.person', ':person'));
+            $qb->setParameter('person', $params['person']);
+        }
+    }
+    
+    protected function buildACLQuery(QueryBuilder $qb, User $currentUser)
+    {
+        if (NULL === $this->authorizationHelper) {
+            throw new \LogicException("Injecting the authorization helper is "
+                . "required to run this query. Please use dependency injection "
+                . "to initialize this repository or use the method "
+                . "`setAuthorizationHelper`");
+        }
+        
+        $role = new Role(TaskVoter::SHOW);
+        $qb->join('st.person', 'p');
+        
+        $centers = $this->authorizationHelper
+            ->getReachableCenters($currentUser, $role)
+            ;
+        
+        $i = 0;
+        $where = $qb->expr()->orX();
+        
+        foreach($centers as $center) {
+            $circles = $this->authorizationHelper
+                ->getReachableCircles($currentUser, $role, $center);
+            
+            $centerWhere = $qb->expr()->andX();
+            
+            $centerWhere->add($qb->expr()->eq('p.center', ':center_'.$i));
+            $qb->setParameter('center_'.$i, $center);
+            $centerWhere->add($qb->expr()->in('st.circle', ':circles_'.$i));
+            $qb->setParameter('circles_'.$i, $circles);
+            $where->add($centerWhere);
+            $i ++;
+        }
+        
+        $qb->where($where);
+    }
 }