feat(purchase): implement purchase limit enforcement and custom exception handling

2026-08-19 16:43:59 -03:00
parent 8537d2ed0a
commit 5c0b3503b7
15 changed files with 124 additions and 41 deletions
--- a/app/Domains/Purchase/Services/Checkout/StartCheckoutService.php
+++ b/app/Domains/Purchase/Services/Checkout/StartCheckoutService.php
@@ -120,10 +120,16 @@ class StartCheckoutService
            ->each(function (Collection $catalogLines) use ($userId): void {
                /** @var CatalogItem $catalogItem */
                $catalogItem = $catalogLines->first()['catalog_item'];
+                $availableQuantities = $catalogLines
+                    ->map(fn (array $line): ?int => $this->inventory->availableQuantity($line['selection']));
+                $maximumAddableCeiling = $availableQuantities->contains(null)
+                    ? null
+                    : (int) $availableQuantities->sum();
                $this->purchaseLimits->assertCanPurchase(
                    $catalogItem,
                    $userId,
                    (int) $catalogLines->sum('quantity'),
+                    maximumAddableCeiling: $maximumAddableCeiling,
                    field: 'direct_items',
                );
            });
@@ -335,6 +341,7 @@ class StartCheckoutService
                $userId,
                $quantity,
                excludedCartId: $cartId,
+                heldQuantity: $quantity,
                field: 'cart_id',
            );
        }