Patch-Bss_AjaxCart-1.1.4-improvements-v2.patch

--- Controller/Index/Index.php
+++ Controller/Index/Index.php
@@ -226,7 +226,7 @@ class Index extends \Magento\Framework\App\Action\Action
 
             $resultItem = $product->getTypeId() == \Magento\GroupedProduct\Model\Product\Type\Grouped::TYPE_CODE ?
                                 $this->dataObjectFactory->create()->setProduct($product)
-                                : $this->registry->registry('last_added_quote_item');
+                                : $this->registry->registry(\Bss\AjaxCart\Model\Observer\ProductAddToCartAfter::LAST_ADDED_QUOTE_ITEM_KEY);
             return $this->returnResult($resultItem, $this->relatedAdded);
         } catch (\Magento\Framework\Exception\LocalizedException $e) {
             $this->messageManager->addNoticeMessage(
@@ -235,6 +235,7 @@ class Index extends \Magento\Framework\App\Action\Action
 
             $result = [];
             $result['error'] = true;
+            $result['message'] = $e->getMessage();
             $result['view'] = true;
             $result['url'] = $this->escaper->escapeUrl(
                 $this->urlInterface->getUrl('ajaxcart/index/view', ['id' => $params['id']])
@@ -252,6 +252,7 @@ class Index extends \Magento\Framework\App\Action\Action
 
             $result = [];
             $result['error'] = true;
+            $result['message'] = __('We can\'t add this item to your shopping cart right now.');
 
             $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);
             $resultJson->setData($result);
@@ -330,6 +330,10 @@ class Index extends \Magento\Framework\App\Action\Action
             $this->messageManager->addSuccessMessage($message);
 
             $result['popup'] = $html;
+            $this->_eventManager->dispatch(
+                'bss_ajaxcart_result',
+                ['subject' => $this, 'item' => $resultItem, 'request' => $this->getRequest(), 'result' => &$result]
+            );
 
             $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);
             $resultJson->setData($result);
--- Model/Observer/ProductAddToCartAfter.php
+++ Model/Observer/ProductAddToCartAfter.php
@@ -23,6 +23,11 @@ use Magento\Framework\Event\ObserverInterface;
 class ProductAddToCartAfter implements ObserverInterface
 {
     /**
+     *  Last added quote item register key
+     */
+    const LAST_ADDED_QUOTE_ITEM_KEY = 'last_added_quote_item';
+    
+    /**
      * Ajax cart helper.
      *
      * @var \Bss\AjaxCart\Helper\Data
@@ -60,7 +65,14 @@ class ProductAddToCartAfter implements ObserverInterface
     {
         if ($this->helper->isEnabled()) {
             $resultItem = $observer->getQuoteItem();
-            $this->registry->register('last_added_quote_item', $resultItem);
+            /**
+             * when have event multiple add to cart (reorder), we have trouble 
+             * with last quote item
+             */
+            if ($this->registry->registry(self::LAST_ADDED_QUOTE_ITEM_KEY) !== null) {
+                $this->registry->unregister(self::LAST_ADDED_QUOTE_ITEM_KEY);
+            }
+            $this->registry->register(self::LAST_ADDED_QUOTE_ITEM_KEY, $resultItem);
         }
     }
 }