diff --git a/app/config/services.yml b/app/config/services.yml
index 6dcfb9f9..67e0489b 100755
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -9,7 +9,7 @@ services:
     # default configuration for services in *this* file
     _defaults:
         # automatically injects dependencies in your services
-        autowire: false
+        autowire: true
         # automatically registers your services as commands, event subscribers, etc.
         autoconfigure: true
         # this means you cannot fetch services directly from the container via $container->get()
@@ -49,3 +49,8 @@ services:
             - '@fos_user.user_manager'
             - ['@fos_user.user_manager', twitter: twitter_id]
             - '@doctrine.orm.default_entity_manager'
+    tk.owner.service:
+        autowire: false
+        class: AppBundle\Service\OwnerService
+        arguments:
+            - '@doctrine.orm.default_entity_manager'
diff --git a/src/AppBundle/Controller/DefaultController.php b/src/AppBundle/Controller/DefaultController.php
index 306dbd32..b6462456 100755
--- a/src/AppBundle/Controller/DefaultController.php
+++ b/src/AppBundle/Controller/DefaultController.php
@@ -7,6 +7,7 @@ use AppBundle\Entity\Product;
 use AppBundle\Entity\ProductCategory;
 use AppBundle\Entity\ProductSold;
 use AppBundle\Entity\SellRecord;
+use AppBundle\Service\OwnerService;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\JsonResponse;
@@ -17,11 +18,13 @@ use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
 class DefaultController extends Controller
 {
 
+	private $ownerService;
     private $tokenManager;
 
-    public function __construct(CsrfTokenManagerInterface $tokenManager = null)
+    public function __construct(CsrfTokenManagerInterface $tokenManager = null, OwnerService $ownerService)
     {
         $this->tokenManager = $tokenManager;
+        $this->ownerService = $ownerService;
     }
 
     /**
@@ -111,68 +114,20 @@ class DefaultController extends Controller
         $currentUser = $this->getUser();
         if (!$currentUser) {
             return new JsonResponse([
-                'categories' => [['name' => 'demo category', 'products' => []]],
+                'categories' => [[]],
                 'recentSells' => [['']],
             ]);
         }
 
+        $ownerService = $this->ownerService;
+	    $ownerService->setupNewFestival($currentUser);
         $activeFestival = $currentUser->getActiveFestival();
-        if (!$activeFestival) {
-            $activeFestival = $m->getRepository('AppBundle:Festival')
-                ->findOneBy(['user' => $this->getUser()->getId()],
-                    ['id' => 'desc'],
-                    0,
-                    1);
-            if (!$activeFestival) {
-                $activeFestival = new Festival();
-                $activeFestival->setDateCreation(new \DateTime())
-                    ->setName('default festival')
-                    ->setChiffreAffaire(0)
-                    ->setFondDeCaisseAvant(0)
-                    ->setFondDeCaisseApres(0)
-                    ->setUser($currentUser);
-            }
-            $currentUser->setActiveFestival($activeFestival);
-            $m->persist($activeFestival);
-            $m->persist($currentUser);
-            $m->flush();
-        }
-
 
         $categRepo = $m->getRepository('AppBundle:ProductCategory');
         $sellingRepo = $m->getRepository('AppBundle:SellRecord');
-        $categories = $currentUser->getCategories();
-        if (!count($categories)) {
-            $categories = $defaultCategories = $categRepo->findById([1, 2]);
-            $currentUser->setCategories($defaultCategories);
-            $m->persist($currentUser);
-        }
-        $serializedCategories = [];
 
-        foreach ($categories as $category) {
-            $products = $category->getProducts();
-            if ($products) {
-                $listOfProductsInArray = [];
-                foreach ($products as $product) {
-                    $listOfProductsInArray[] = [
-                        'id' => $product->getId(),
-                        'name' => $product->getName(),
-                        'category' => $category->getId(),
-                        'price' => 1 * $product->getPrice(),
-                        'stockCount' => $product->getStockCount(),
-                    ];
-                }
-                $products = $listOfProductsInArray;
-            }
-            $serializedCategories[] =
-                [
-                    'id' => $category->getId(),
-                    'name' => $category->getName(),
-                    'products' => $products ? $products : null,
-                ];
 
-        }
-        $categories = $serializedCategories;
+        $categories = $ownerService->serializeCategoriesOfUser($currentUser);
 
 
         $recentSells = $sellingRepo->findBy(['user' => $currentUser->getId()], ['id' => 'desc'], 0, 5);
@@ -180,16 +135,7 @@ class DefaultController extends Controller
         return new JsonResponse([
             'categories' => $categories,
             'recentSells' => count($recentSells),
-            'lastFestival' => [
-                'id' => $activeFestival->getId(),
-                'name' => $activeFestival->getName(),
-                'commentaire' => $activeFestival->getComment(),
-                'dateCreation' => $activeFestival->getDateCreation(),
-                'chiffreAffaire' => $activeFestival->getChiffreAffaire(),
-                'clientsCount' => count($activeFestival->getSellRecords()),
-                'fondDeCaisseAvant' => $activeFestival->getFondDeCaisseAvant(),
-                'fondDeCaisseApres' => $activeFestival->getFondDeCaisseApres(),
-            ],
+            'lastFestival' => $activeFestival->makeArray(),
         ]);
     }
 
diff --git a/src/AppBundle/Entity/Festival.php b/src/AppBundle/Entity/Festival.php
index e2c7207a..e694c66d 100755
--- a/src/AppBundle/Entity/Festival.php
+++ b/src/AppBundle/Entity/Festival.php
@@ -83,6 +83,23 @@ class Festival {
 	private $fraisRepas;
 
 
+	/**
+	 * array usable by js
+	 * @return array
+	 */
+	public function makeArray(){
+		return [
+			'id' => $this->getId(),
+			'name' => $this->getName(),
+			'commentaire' => $this->getComment(),
+			'dateCreation' => $this->getDateCreation(),
+			'chiffreAffaire' => $this->getChiffreAffaire(),
+			'clientsCount' => count($this->getSellRecords()),
+			'fondDeCaisseAvant' => $this->getFondDeCaisseAvant(),
+			'fondDeCaisseApres' => $this->getFondDeCaisseApres(),
+		];
+			
+	}
 	public function recalculateChiffreAffaire() {
 		$sellings          = $this->getSellRecords();
 		$newChiffreAffaire = 0;
diff --git a/src/AppBundle/Service/OwnerService.php b/src/AppBundle/Service/OwnerService.php
new file mode 100644
index 00000000..0b49959a
--- /dev/null
+++ b/src/AppBundle/Service/OwnerService.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace AppBundle\Service;
+
+use AppBundle\Entity\Festival;
+use AppBundle\Entity\ProductCategory;
+use AppBundle\Entity\User;
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\ORM\EntityManager;
+
+class OwnerService {
+	private $em;
+
+	/**
+	 * MyFOSUBUserProvider constructor.
+	 *
+	 * @param EntityManager $em
+	 */
+	public function __construct(
+		ObjectManager $em
+	) {
+		$this->em = $em;
+	}
+
+
+	/**
+	 * add default categories for a newly created user
+	 * @return mixed
+	 */
+	public function setupNewDefaultCategories( User $user ) {
+
+		$categNames = [ 'livres', 'badges', 'dessins' ];
+		foreach ( $categNames as $categ_name ) {
+			$newCateg = new ProductCategory();
+			$newCateg->setName( $categ_name );
+			$user->addCategory( $newCateg );
+			$newCateg->addUser( $user );
+			$this->em->persist( $newCateg );
+			$this->em->persist( $user );
+		}
+		$this->em->flush();
+
+		return $user;
+	}
+
+	/**
+	 * setup a default festival if needed
+	 *
+	 * @param User $user
+	 *
+	 * @return User
+	 */
+	public function setupNewFestival( User $user ) {
+
+		$activeFestival = $user->getActiveFestival();
+		if ( ! $activeFestival ) {
+			$activeFestival = $this->em->getRepository( 'AppBundle:Festival' )
+			                           ->findOneBy( [ 'user' => $this->getUser()->getId() ],
+				                           [ 'id' => 'desc' ],
+				                           0,
+				                           1 );
+			if ( ! $activeFestival ) {
+				$activeFestival = new Festival();
+				$activeFestival->setDateCreation( new \DateTime() )
+				               ->setName( 'default festival' )
+				               ->setChiffreAffaire( 0 )
+				               ->setFondDeCaisseAvant( 0 )
+				               ->setFondDeCaisseApres( 0 )
+				               ->setUser( $user );
+			}
+			$user->setActiveFestival( $activeFestival );
+			$this->em->persist( $activeFestival );
+			$this->em->persist( $user );
+			$this->em->flush();
+		}
+
+		return $user;
+	}
+
+	/**
+	 * transform categories of a user in an array usable by js
+	 * @param User $user
+	 *
+	 * @return array
+	 */
+	public function serializeCategoriesOfUser( User $user ) {
+		$categRepo  = $this->em->getRepository( 'AppBundle:ProductCategory' );
+		$categories = $user->getCategories();
+		if ( ! count( $categories ) ) {
+			$categories = $defaultCategories = $categRepo->findById( [ 1, 2 ] );
+			$user->setCategories( $defaultCategories );
+			$this->em->persist( $user );
+		}
+		$serializedCategories = [];
+
+		foreach ( $categories as $category ) {
+			$products = $category->getProducts();
+			if ( $products ) {
+				$listOfProductsInArray = [];
+				foreach ( $products as $product ) {
+					$listOfProductsInArray[] = [
+						'id'         => $product->getId(),
+						'name'       => $product->getName(),
+						'category'   => $category->getId(),
+						'price'      => 1 * $product->getPrice(),
+						'stockCount' => $product->getStockCount(),
+					];
+				}
+				$products = $listOfProductsInArray;
+			}
+			$serializedCategories[] =
+				[
+					'id'       => $category->getId(),
+					'name'     => $category->getName(),
+					'products' => $products ? $products : null,
+				];
+
+		}
+
+		return $serializedCategories;
+	}
+}