Fix: Stock Status and Saleable Quantity Not Updated When Product Quantity is Set to 0 (#3364)

InventoryCatalog/Model/SourceItemsSaveSynchronization/SetDataToLegacyCatalogInventory.php

@@ -47,34 +47,53 @@ public function __construct(
      */
     public function execute(array $sourceItems): void
     {
-        $skus = array_map(fn ($sourceItem) => $sourceItem->getSku(), $sourceItems);
+        $skus = array_map(fn($sourceItem) => $sourceItem->getSku(), $sourceItems);
         $legacyStockItemsByProductId = [];
+
+        // Fetch legacy stock items for the SKUs
         foreach ($this->getLegacyStockItems->execute($skus) as $legacyStockItem) {
             $legacyStockItemsByProductId[$legacyStockItem->getProductId()] = $legacyStockItem;
         }
+
         foreach ($sourceItems as $sourceItem) {
             $sku = $sourceItem->getSku();
             try {
                 $productId = (int)$this->getProductIdsBySkus->execute([$sku])[$sku];
             } catch (NoSuchEntityException $e) {
-                // Skip synchronization of for not existed product
+                // Skip synchronization for non-existent product
                 continue;
             }
+
             $legacyStockItem = $legacyStockItemsByProductId[$productId] ?? null;
             if (null === $legacyStockItem) {
                 continue;
             }
+
+            // Update quantity and stock status based on source item
             $legacyStockItem->setQty((float)$sourceItem->getQuantity());
-            $legacyStockItem->setIsInStock((int)$sourceItem->getStatus());
+
+            // Custom logic: If quantity is 0, set the stock status to 'in stock' or 'out of stock' as per requirements
+            if ($legacyStockItem->getQty() == 0) {
+                // Set the product as 'out of stock' or 'in stock' based on your logic
+                $legacyStockItem->setIsInStock(0);  // 'out of stock'
+            } else {
+                $legacyStockItem->setIsInStock((int)$sourceItem->getStatus());
+            }
+
+            // Check if stock management is enabled and update stock status accordingly
             if ($legacyStockItem->getManageStock() && !$this->stockStateProvider->verifyStock($legacyStockItem)) {
                 $legacyStockItem->setIsInStock(0);
             }
+
+            // Execute the update to legacy stock item
             $this->setDataToLegacyStockItem->execute(
                 (string)$sourceItem->getSku(),
                 (float)$legacyStockItem->getQty(),
-                (int) $legacyStockItem->getIsInStock()
+                (int)$legacyStockItem->getIsInStock()
             );
         }
+
+        // Update default stock and salability if needed
         $affectedSkus = $this->updateDefaultStock->execute($skus);
         if ($affectedSkus) {
             $this->productSalabilityChangeProcessor->execute($affectedSkus);