[-] FO : automatic refresh of the cart when a cart rule is added

controllers/front/CartController.php

@@ -34,6 +34,8 @@ class CartControllerCore extends FrontController
 	protected $id_address_delivery;
 	protected $customization_id;
 	protected $qty;
+	
+	protected $ajax_refresh = false;
 
 	/**
 	 * This is not a public page, so the canonical redirection is disabled
@@ -111,7 +113,9 @@ class CartControllerCore extends FrontController
 				$this->context->cart->update();
 			}
 		}
-		CartRule::autoRemoveFromCart();
+		$removed = CartRule::autoRemoveFromCart();
+		if (count($removed))
+			$this->ajax_refresh = true;
 	}
 
 	protected function processChangeProductAddressDelivery()
@@ -215,6 +219,7 @@ class CartControllerCore extends FrontController
 
 			if (!$this->errors)
 			{
+				$cart_rules = $this->context->cart->getCartRules();
 				$updateQuantity = $this->context->cart->updateQty($this->qty, $this->id_product, $this->id_product_attribute, $this->customization_id, $this->id_address_delivery, Tools::getValue('op', 'up'));
 				if ($updateQuantity < 0)
 				{
@@ -224,9 +229,18 @@ class CartControllerCore extends FrontController
 				}
 				else if (!$updateQuantity)
 					$this->errors[] = Tools::displayError('You already have the maximum quantity available for this product.', false);
+				else
+				{
+					$cart_rules2 = $this->context->cart->getCartRules();
+					if (count($cart_rules2) != count($cart_rules))
+						$this->ajax_refresh = true;
+				}
 			}
 		}
-		CartRule::autoRemoveFromCart();
+		
+		$removed = CartRule::autoRemoveFromCart();
+		if (count($removed))
+			$this->ajax_refresh = true;
 	}
 
 	/**
@@ -255,6 +269,8 @@ class CartControllerCore extends FrontController
 	{
 		if ($this->errors)
 			die(Tools::jsonEncode(array('hasError' => true, 'errors' => $this->errors)));
+		if ($this->ajax_refresh)
+			die(Tools::jsonEncode(array('refresh' => true)));
 
 		if (Tools::getIsset('summary'))
 		{