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ShopBundle/Repository/ProductFamilyRepository.php

                 $query = $this->findByMerchantQuery() ;
                 $query = $this->joinRelations($query) ;
                 $query->andWhere('e.status = 1') ;
+                $query->orderBy('RAND()');
                 return $query->getQuery()->getResult() ;
         }
 
                 $query->andWhere('e.status = 1');
                 $query->andWhere(':now <= e.propertyNoveltyExpirationDate')
                         ->setParameter('now', new \DateTime()) ;
-                $query->orderBy('e.createdAt', 'DESC');
+                $query->orderBy('RAND()');
 
                 return $query->getQuery()->getResult() ;
         }
                 return $query->getQuery()->getResult() ;
         }
 
-        public function getProductFamiliesBySection($section)
+        public function getProductFamiliesBySection($section, $maxResults = false, $sortField = 'productCategories.position', $sortDirection = 'ASC')
         {
                 $query = $this->findByMerchantQuery() ;
                 $query = $this->joinRelations($query) ;
 
                 $query->andWhere(':section MEMBER OF e.sections')
                         ->setParameter('section', $section) ;
+                $query->leftJoin('e.productCategories', 'productCategories');
+                if($sortField){
+                        $query->orderBy($sortField,$sortDirection);
+                }
+                if($maxResults) {
+                        $query->setMaxResults($maxResults) ;
+                }
 
                 return $query->getQuery()->getResult() ;
         }