[backend] Distributions : bug chargement produits

backend/controllers/DistributionController.php

             foreach($productsArray as &$theProduct) {
                 $quantityOrder = Order::getProductQuantity($theProduct['id'], $ordersArray) ;
                 $theProduct['quantity_ordered'] = $quantityOrder ;
+                
+                if(!isset($theProduct['productDistribution'][0])) {
+                    $theProduct['productDistribution'][0] = $distribution->linkProduct($theProduct) ;
+                }
+                
                 if(!is_numeric($theProduct['productDistribution'][0]['quantity_max'])) {
                     $theProduct['quantity_remaining'] = null  ;
                 }

backend/controllers/ProductController.php

             Yii::$app->getSession()->setFlash('success', 'Produit <strong>'.Html::encode($model->name).'</strong> ajouté');
 
             return $this->redirect(['index']);
-        } else {
+        } 
+        else {
             return $this->render('create', [
                 'model' => $model,
             ]);

backend/views/product/_form.php

 
 <div class="product-form">
 
-    <?php $form = ActiveForm::begin(['options' => ['enctype' => 'multipart/form-data']]); ?>
+    <?php $form = ActiveForm::begin([
+        'enableClientValidation' => false,
+        'options' => ['enctype' => 'multipart/form-data']
+    ]); ?>
 
     <div>
         <div class="col-md-8">

common/models/Distribution.php

         }
 
         $productDistribution->save();
+        
+        return $productDistribution ;
     }
     
     /**

common/models/Product.php

             [['name', 'description', 'photo', 'unit'], 'string', 'max' => 255],
             [['recipe'], 'string', 'max' => 1000],
             ['step', 'required', 'message' => 'Champs obligatoire', 'when' => function($model) {
-                if($model->unit == 'piece') {
+                if($model->unit != 'piece') {
                     return true ;
                 }
                 return false ;