Filter user in user picker by flags, method to get/filter user by flag in UserRepository

Repository/UserRepository.php

@@ -17,6 +17,9 @@
  */
 namespace Chill\MainBundle\Repository;
 
+use Chill\MainBundle\Entity\GroupCenter;
+use Chill\MainBundle\Entity\User;
+
 /**
  * 
  *
@@ -46,6 +49,57 @@ class UserRepository extends \Doctrine\ORM\EntityRepository
         return $qb->getQuery()->getSingleResult();
     }
     
+    /**
+     * Get the users having a specific flags
+     * 
+     * If provided, only the users amongst "filtered users" are searched. This 
+     * allows to make a first search amongst users based on role and center 
+     * and, then filter those users having some flags.
+     * 
+     * @param \Chill\MainBundle\Entity\User[] $amongstUsers
+     */
+    public function findUsersHavingFlags($flag, $amongstUsers = [])
+    {
+        $gcs = $this->_em->createQuery("SELECT DISTINCT gc "
+            . "FROM ".GroupCenter::class." gc "
+            . "JOIN gc.permissionsGroup pg "
+            . "WHERE "
+            . "JSONB_EXISTS_IN_ARRAY(pg.flags, :flag) = :true ")
+            ->setParameters([
+                'true' => true,
+                'flag' => $flag
+            ])
+            ->getResult();
+        
+        if (count($gcs) === 0) {
+            return [];
+        }
+        
+        $qb = $this->_em->createQueryBuilder();
+        $qb
+            ->select('DISTINCT u')
+            ->from(User::class, 'u')
+            ->where("u.enabled = 'TRUE'")
+            ;
+        
+        $orx = $qb->expr()->orX();
+        foreach($gcs as $i => $gc) {
+            $orx->add(':gc_'.$i.' MEMBER OF u.groupCenters');
+            $qb->setParameter('gc_'.$i, $gc);
+        }
+        
+        $qb->andWhere($orx);
+        
+        if (count($amongstUsers) > 0) {
+            $qb
+                ->andWhere($qb->expr()->in('u', ':amongstUsers'))
+                ->setParameter('amongstUsers', $amongstUsers)
+                ;
+        }
+        
+        return $qb->getQuery()->getResult();
+    }
+    
     protected function queryByUsernameOrEmail($pattern)
     {
         $qb = $this->createQueryBuilder('u');