MC-36897: [GraphQl] Store config and schema modifications for Wishlist

- Added validation for disabled product.

Author: Prabhu Ram

app/code/Magento/Wishlist/Model/Wishlist/AddProductsToWishlist.php

@@ -8,6 +8,7 @@
 namespace Magento\Wishlist\Model\Wishlist;
 
 use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Catalog\Model\Product\Attribute\Source\Status;
 use Magento\Framework\Exception\AlreadyExistsException;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Exception\NoSuchEntityException;
@@ -116,6 +117,9 @@ private function addItemToWishlist(Wishlist $wishlist, WishlistItem $wishlistIte
             if ($wishlistItem->getQuantity() == 0) {
                 throw new LocalizedException(__("The quantity of a wish list item cannot be 0"));
             }
+            if ($product->getStatus() == Status::STATUS_DISABLED) {
+                throw new LocalizedException(__("The product is disabled"));
+            }
             $options = $this->buyRequestBuilder->build($wishlistItem, (int) $product->getId());
             $result = $wishlist->addNewItem($product, $options);
 

app/code/Magento/Wishlist/Model/Wishlist/UpdateProductsInWishlist.php

@@ -7,6 +7,7 @@
 
 namespace Magento\Wishlist\Model\Wishlist;
 
+use Magento\Catalog\Model\Product\Attribute\Source\Status;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Wishlist\Model\Item as WishlistItem;
 use Magento\Wishlist\Model\ItemFactory as WishlistItemFactory;
@@ -98,6 +99,9 @@ private function updateItemInWishlist(Wishlist $wishlist, WishlistItemData $wish
             if ($wishlistItemData->getQuantity() == 0) {
                 throw new LocalizedException(__("The quantity of a wish list item cannot be 0"));
             }
+            if ($wishlistItem->getProduct()->getStatus() == Status::STATUS_DISABLED) {
+                throw new LocalizedException(__("The product is disabled"));
+            }
             $resultItem = $wishlist->updateItem($wishlistItem, $options);
 
             if (is_string($resultItem)) {