refactor(checkout): materialize purchase items on confirmation

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

@@ -2,7 +2,9 @@
 
 namespace App\Domains\Purchase\Services\Checkout;
 
+use App\Domains\Catalog\Models\StockReservation;
 use App\Domains\Catalog\Services\CatalogInventoryService;
+use App\Domains\Catalog\Services\StockReservationService;
 use App\Domains\Purchase\Models\Purchase;
 use App\Domains\Purchase\Models\PurchaseItem;
 use Illuminate\Support\Facades\DB;
@@ -12,6 +14,7 @@ class ReleaseCheckoutService
 {
     public function __construct(
         private readonly CatalogInventoryService $inventory,
+        private readonly StockReservationService $reservations,
         private readonly CatalogSelectionResolver $selections,
         private readonly SourceCartService $sourceCart,
     ) {}
@@ -83,6 +86,13 @@ class ReleaseCheckoutService
                 ->get();
             $reservationReturnedToCart = $restoreCart && $this->sourceCart->restore($purchase);
 
+            if ($items->isEmpty() && ! $purchase->items()->exists()) {
+                $this->releaseCartReservations($purchase, $reservationReturnedToCart, $targetStatus);
+                $purchase->update(['status' => $targetStatus]);
+
+                return $this->loadPurchase($purchase);
+            }
+
             foreach ($items as $item) {
                 if (! $reservationReturnedToCart) {
                     $this->releaseInventory($purchase, $item);
@@ -99,6 +109,59 @@ class ReleaseCheckoutService
         });
     }
 
+    private function releaseCartReservations(
+        Purchase $purchase,
+        bool $reservationReturnedToCart,
+        string $targetStatus,
+    ): void {
+        if ($reservationReturnedToCart) {
+            $this->reservations->detachFromPurchase($purchase);
+
+            return;
+        }
+
+        $cart = $purchase->cart()->withTrashed()->lockForUpdate()->first();
+        if ($cart === null) {
+            return;
+        }
+
+        $cartItems = $cart->items()->orderBy('id')->lockForUpdate()->get();
+        $cartItems->load([
+            'catalogItem.inventory',
+            'catalogItem.bundleComponents.catalogItem.inventory',
+            'catalogItem.bundleComponents.variant.inventory',
+            'variant.inventory',
+            'variant.catalogItem',
+        ]);
+
+        foreach ($cartItems as $cartItem) {
+            $selection = $cartItem->selectedItem();
+            if ($selection === null) {
+                continue;
+            }
+
+            try {
+                $this->reservations->release(
+                    $cartItem,
+                    $selection,
+                    (int) $cartItem->cantidad,
+                    $targetStatus === Purchase::STATUS_EXPIRED
+                        ? StockReservation::STATUS_EXPIRED
+                        : StockReservation::STATUS_RELEASED,
+                );
+            } catch (\InvalidArgumentException) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+        }
+
+        if (! $cart->trashed()) {
+            $cart->update(['status' => 'converted']);
+            $cart->delete();
+        }
+    }
+
     private function releaseInventory(Purchase $purchase, PurchaseItem $item): void
     {
         $selection = $this->selections->resolvePurchaseItem($purchase->tenant, $item);
@@ -129,6 +192,15 @@ class ReleaseCheckoutService
 
     private function loadPurchase(Purchase $purchase): Purchase
     {
-        return $purchase->load(['items.imageAttachment']);
+        return $purchase->load([
+            'items.imageAttachment',
+            'cart.items.catalogItem.inventory',
+            'cart.items.catalogItem.attachments',
+            'cart.items.variant.inventory',
+            'cart.items.variant.attachments',
+            'cart.items.variant.definitions.itemAttribute.attribute',
+            'cart.items.variant.eventDates',
+            'cart.items.variant.eventDate',
+        ]);
     }
 }