Files
shopit-back/app/Domains/Cart/Services/CartService.php

469 lines
15 KiB
PHP

<?php
namespace App\Domains\Cart\Services;
use App\Domains\Auth\Models\User;
use App\Domains\Cart\Models\Cart;
use App\Domains\Cart\Models\CartItem;
use App\Domains\Catalog\Services\StockReservationService;
use App\Domains\Purchase\Models\Purchase;
use App\Domains\Purchase\Services\PurchaseStateGuard;
use App\Domains\Tenant\Models\Tenant;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpFoundation\Cookie;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
class CartService
{
public function __construct(
private readonly StockReservationService $reservations,
private readonly PurchaseStateGuard $purchaseState,
) {}
public function show(Tenant $tenant, Request $request): Cart
{
$resolvedIdentity = $this->resolveIdentity($request);
if ($resolvedIdentity === null) {
return $this->makeEmptyCart($tenant);
}
$cart = $this->findCart($tenant, $resolvedIdentity['identity']);
if ($cart === null) {
return $this->makeEmptyCart($tenant);
}
return $this->loadCart($cart, $tenant);
}
/**
* @return array{cart: Cart, guest_token: ?string}
*/
public function addItem(
Tenant $tenant,
Request $request,
int $catalogItemId,
?int $variantId,
int $quantity,
): array {
$resolvedIdentity = $this->resolveIdentity($request, true);
$identity = $resolvedIdentity['identity'];
$cart = $this->findOrCreateCart($tenant, $identity);
$cart->addItem($catalogItemId, $variantId, $quantity);
return [
'cart' => $this->loadCart($cart, $tenant),
'guest_token' => $resolvedIdentity['generated_guest_token'],
];
}
public function updateItem(
Tenant $tenant,
Request $request,
int $cartItemId,
int $quantity,
?int $variantId,
bool $updateVariant,
): Cart {
if ($updateVariant && ! $tenant->cart_editing_policy->allowsVariantChanges()) {
throw ValidationException::withMessages([
'variant_id' => __('api.cart.variant_change_disabled'),
]);
}
if (! $updateVariant && ! $tenant->cart_editing_policy->allowsQuantityChanges()) {
throw ValidationException::withMessages([
'cantidad' => __('api.cart.editing_disabled'),
]);
}
$identity = $this->requireIdentity($request);
$cart = $this->findCartOrFail($tenant, $identity);
$cart->updateItem($cartItemId, $quantity, $variantId, $updateVariant);
return $this->loadCart($cart, $tenant);
}
public function updateCheckoutItem(
Tenant $tenant,
Request $request,
Cart $cart,
int $cartItemId,
int $quantity,
?int $variantId,
bool $updateVariant,
): Cart {
$user = $request->user() ?? Auth::guard('sanctum')->user();
if (! $user instanceof User) {
throw new NotFoundHttpException('Checkout cart not found.');
}
return DB::transaction(function () use (
$tenant,
$user,
$cart,
$cartItemId,
$quantity,
$variantId,
$updateVariant,
): Cart {
/** @var Purchase|null $purchase */
$purchase = Purchase::query()
->where('cart_id', $cart->getKey())
->where('tenant_codigo', $tenant->codigo)
->where('user_id', $user->getKey())
->whereDoesntHave('items')
->lockForUpdate()
->first();
if ($purchase === null) {
throw new NotFoundHttpException('Checkout cart not found.');
}
$this->purchaseState->assertNotExpired($purchase);
if (! in_array($purchase->status, [
Purchase::STATUS_CREATED,
Purchase::STATUS_PENDING_PAYMENT,
], true)) {
throw new NotFoundHttpException('Checkout cart not found.');
}
/** @var Cart|null $checkoutCart */
$checkoutCart = Cart::query()
->whereKey($cart->getKey())
->where('tenant_codigo', $tenant->codigo)
->where('user_id', $user->getKey())
->where('status', 'checkout')
->lockForUpdate()
->first();
if ($checkoutCart === null) {
throw new NotFoundHttpException('Checkout cart not found.');
}
/** @var CartItem|null $cartItem */
$cartItem = $checkoutCart->items()
->whereKey($cartItemId)
->lockForUpdate()
->first();
if ($cartItem === null) {
throw new NotFoundHttpException('Checkout item not found.');
}
$hasChanges = (int) $cartItem->cantidad !== $quantity
|| ($updateVariant && $cartItem->variant_id !== $variantId);
if (! $hasChanges) {
return $this->loadCart($checkoutCart, $tenant, true);
}
if (
(int) $cartItem->cantidad !== $quantity
&& ! $tenant->checkout_editing_policy->allowsQuantityChanges()
) {
throw ValidationException::withMessages([
'cantidad' => __('api.cart.editing_disabled'),
]);
}
if (
$updateVariant
&& $cartItem->variant_id !== $variantId
&& ! $tenant->checkout_editing_policy->allowsVariantChanges()
) {
throw ValidationException::withMessages([
'variant_id' => __('api.cart.variant_change_disabled'),
]);
}
$checkoutCart->updateItem(
$cartItemId,
$quantity,
$variantId,
$updateVariant,
$purchase->getKey(),
);
$purchase->telepagosQr()->delete();
$purchase->update([
'status' => Purchase::STATUS_CREATED,
'payment_method' => null,
'transfer_payer_dni' => null,
'total' => $checkoutCart->getTotalAmount(),
'expires_at' => now()->addMinutes(
max(1, (int) config('purchase.checkout_expiration_minutes', 30)),
),
]);
$this->reservations->syncPurchaseExpiration($purchase);
return $this->loadCart($checkoutCart, $tenant, true);
});
}
public function removeItem(Tenant $tenant, Request $request, int $cartItemId): Cart
{
if (! $tenant->cart_editing_policy->allowsRemoval()) {
throw ValidationException::withMessages([
'cart_item' => __('api.cart.editing_disabled'),
]);
}
$identity = $this->requireIdentity($request);
$cart = $this->findCartOrFail($tenant, $identity);
$cart->removeItem($cartItemId);
return $this->loadCart($cart, $tenant);
}
public function removeCheckoutItem(
Tenant $tenant,
Request $request,
Cart $cart,
int $cartItemId,
): Cart {
if (! $tenant->checkout_editing_policy->allowsRemoval()) {
throw ValidationException::withMessages([
'cart_item' => __('api.cart.editing_disabled'),
]);
}
$user = $request->user() ?? Auth::guard('sanctum')->user();
if (! $user instanceof User) {
throw new NotFoundHttpException('Checkout cart not found.');
}
return DB::transaction(function () use ($tenant, $user, $cart, $cartItemId): Cart {
/** @var Purchase|null $purchase */
$purchase = Purchase::query()
->where('cart_id', $cart->getKey())
->where('tenant_codigo', $tenant->codigo)
->where('user_id', $user->getKey())
->whereDoesntHave('items')
->lockForUpdate()
->first();
if ($purchase === null) {
throw new NotFoundHttpException('Checkout cart not found.');
}
$this->purchaseState->assertNotExpired($purchase);
if (! in_array($purchase->status, [
Purchase::STATUS_CREATED,
Purchase::STATUS_PENDING_PAYMENT,
], true)) {
throw new NotFoundHttpException('Checkout cart not found.');
}
/** @var Cart|null $checkoutCart */
$checkoutCart = Cart::query()
->whereKey($cart->getKey())
->where('tenant_codigo', $tenant->codigo)
->where('user_id', $user->getKey())
->where('status', 'checkout')
->lockForUpdate()
->first();
if ($checkoutCart === null) {
throw new NotFoundHttpException('Checkout cart not found.');
}
$checkoutCart->removeItem($cartItemId);
$purchase->telepagosQr()->delete();
$purchase->update([
'status' => Purchase::STATUS_CREATED,
'payment_method' => null,
'transfer_payer_dni' => null,
'total' => $checkoutCart->getTotalAmount(),
'expires_at' => now()->addMinutes(
max(1, (int) config('purchase.checkout_expiration_minutes', 30)),
),
]);
$this->reservations->syncPurchaseExpiration($purchase);
return $this->loadCart($checkoutCart, $tenant, true);
});
}
public function makeGuestTokenCookie(string $guestToken): Cookie
{
$secure = (bool) config('session.secure');
$sameSite = config('session.same_site');
$partitioned = (bool) config('session.partitioned')
|| ($secure && strtolower((string) $sameSite) === 'none');
return Cookie::create(
name: 'guest_token',
value: $guestToken,
expire: now()->addDays(180),
path: '/',
domain: config('session.domain'),
secure: $secure,
httpOnly: true,
raw: false,
sameSite: $sameSite,
partitioned: $partitioned,
);
}
protected function makeEmptyCart(Tenant $tenant): Cart
{
$cart = new Cart([
'tenant_codigo' => $tenant->codigo,
'status' => 'active',
]);
$cart->setRelation('items', collect());
return $cart;
}
protected function loadCart(Cart $cart, Tenant $tenant, bool $isCheckout = false): Cart
{
$relations = [
'items.catalogItem.attachments',
'items.catalogItem.inventory',
'items.catalogItem.itemAttributes.attribute',
'items.variant.attachments',
'items.variant.inventory',
'items.variant.definitions.itemAttribute.attribute.options',
'items.variant.eventDates',
'items.variant.eventDate',
];
$editingPolicy = $isCheckout
? $tenant->checkout_editing_policy
: $tenant->cart_editing_policy;
if ($editingPolicy->allowsVariantChanges()) {
$relations = [
...$relations,
'items.catalogItem.variants' => fn ($query) => $query->orderBy('id'),
'items.catalogItem.variants.inventory',
'items.catalogItem.variants.definitions' => fn ($query) => $query->orderBy('id'),
'items.catalogItem.variants.definitions.itemAttribute.attribute.options',
'items.catalogItem.variants.eventDates',
'items.catalogItem.variants.eventDate',
];
}
return $cart->fresh()->load($relations);
}
/**
* @return array{identity: array{user_id: ?int, guest_token: ?string}, generated_guest_token: ?string}|null
*/
protected function resolveIdentity(Request $request, bool $generateGuestToken = false): ?array
{
$user = $request->user() ?? Auth::guard('sanctum')->user();
if ($user instanceof User) {
return [
'identity' => [
'user_id' => $user->getKey(),
'guest_token' => null,
],
'generated_guest_token' => null,
];
}
$guestToken = $request->cookie('guest_token');
if (is_string($guestToken) && $guestToken !== '') {
return [
'identity' => [
'user_id' => null,
'guest_token' => $guestToken,
],
'generated_guest_token' => null,
];
}
if (! $generateGuestToken) {
return null;
}
$generatedGuestToken = (string) Str::uuid();
return [
'identity' => [
'user_id' => null,
'guest_token' => $generatedGuestToken,
],
'generated_guest_token' => $generatedGuestToken,
];
}
/**
* @return array{user_id: ?int, guest_token: ?string}
*/
protected function requireIdentity(Request $request): array
{
$resolvedIdentity = $this->resolveIdentity($request);
if ($resolvedIdentity === null) {
throw new NotFoundHttpException('Cart not found.');
}
return $resolvedIdentity['identity'];
}
/**
* @param array{user_id: ?int, guest_token: ?string} $identity
*/
protected function findCart(Tenant $tenant, array $identity): ?Cart
{
return Cart::query()
->where('tenant_codigo', $tenant->codigo)
->where('status', 'active')
->when(
$identity['user_id'] !== null,
fn ($query) => $query->where('user_id', $identity['user_id']),
fn ($query) => $query->where('guest_token', $identity['guest_token']),
)
->first();
}
/**
* @param array{user_id: ?int, guest_token: ?string} $identity
*/
protected function findCartOrFail(Tenant $tenant, array $identity): Cart
{
$cart = $this->findCart($tenant, $identity);
if ($cart === null) {
throw new NotFoundHttpException('Cart not found.');
}
return $cart;
}
/**
* @param array{user_id: ?int, guest_token: ?string} $identity
*/
protected function findOrCreateCart(Tenant $tenant, array $identity): Cart
{
$attributes = [
'tenant_codigo' => $tenant->codigo,
'status' => 'active',
];
if ($identity['user_id'] !== null) {
$attributes['user_id'] = $identity['user_id'];
} else {
$attributes['guest_token'] = $identity['guest_token'];
}
return Cart::query()->firstOrCreate($attributes);
}
}