feat(cart): implement restoration and reservation of source cart on expired checkout modification

app/Domains/Purchase/Services/Checkout/SourceCartService.php

@@ -25,6 +25,8 @@ class SourceCartService
             return false;
         }
 
+        $this->restoreReservations($sourceCart);
+
         /** @var Cart|null $activeCart */
         $activeCart = Cart::query()
             ->where('tenant_codigo', $purchase->tenant_codigo)
@@ -62,6 +64,25 @@ class SourceCartService
         return true;
     }
 
+    private function restoreReservations(Cart $cart): void
+    {
+        $items = $cart->items()->orderBy('id')->lockForUpdate()->get();
+        $items->load([
+            'catalogItem.inventory',
+            'catalogItem.bundleComponents.catalogItem.inventory',
+            'catalogItem.bundleComponents.variant.inventory',
+            'variant.inventory',
+            'variant.catalogItem',
+        ]);
+
+        foreach ($items as $item) {
+            $selection = $item->selectedItem();
+            if ($selection !== null) {
+                $this->reservations->restore($item, $selection);
+            }
+        }
+    }
+
     public function syncItemQuantity(
         Purchase $purchase,
         PurchaseItem $purchaseItem,