102 lines
3.5 KiB
PHP
102 lines
3.5 KiB
PHP
<?php
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namespace App\Domains\Purchase\Services;
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use App\Domains\Catalog\Models\ProductVariant;
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use App\Domains\Purchase\Models\Purchase;
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use App\Domains\Tenant\Models\Tenant;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Validation\ValidationException;
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class CheckoutService
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{
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public function processCheckout(Tenant $tenant, int $userId, array $purchaseData): Purchase
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{
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// 1. Preparar items de la compra
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$items = $purchaseData['items'];
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unset($purchaseData['items']);
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$variants = $this->resolveTenantVariants($tenant, $items);
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$purchaseItemsPayload = $this->buildPurchaseItemsPayload($items, $variants);
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// 2. Crear la orden de compra y vaciar carrito
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return DB::transaction(function () use ($tenant, $userId, $purchaseData, $purchaseItemsPayload): Purchase {
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/** @var Purchase $purchase */
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$purchase = Purchase::query()->create([
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...$purchaseData,
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'tenant_codigo' => $tenant->codigo,
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'user_id' => $userId,
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]);
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$purchase->items()->createMany($purchaseItemsPayload);
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// Vaciar y eliminar el carrito activo del usuario
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$cart = \App\Domains\Cart\Models\Cart::query()
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->where('tenant_codigo', $tenant->codigo)
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->where('user_id', $userId)
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->first();
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if ($cart) {
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$cart->items()->delete();
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$cart->delete();
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}
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return $purchase->load(['items.variant.product', 'items.variant.definitions.productAttribute.attribute']);
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});
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}
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/**
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* @param array<int, array<string, mixed>> $items
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* @return \Illuminate\Support\Collection<int, ProductVariant>
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*/
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protected function resolveTenantVariants(Tenant $tenant, array $items)
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{
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$variantIds = collect($items)
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->pluck('producto_variante_id')
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->filter()
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->map(static fn (mixed $id): int => (int) $id)
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->unique()
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->values();
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$variants = ProductVariant::query()
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->with('product')
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->whereIn('id', $variantIds)
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->whereHas('product', fn ($query) => $query->where('tenant_codigo', $tenant->codigo))
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->get()
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->keyBy('id');
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if ($variants->count() !== $variantIds->count()) {
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throw ValidationException::withMessages([
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'items' => 'One or more product variants do not belong to the tenant.',
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]);
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}
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return $variants;
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}
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/**
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* @param array<int, array<string, mixed>> $items
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* @param \Illuminate\Support\Collection<int, ProductVariant> $variants
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* @return array<int, array<string, mixed>>
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*/
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protected function buildPurchaseItemsPayload(array $items, $variants): array
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{
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return collect($items)
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->map(function (array $item) use ($variants): array {
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/** @var ProductVariant $variant */
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$variant = $variants->get((int) $item['producto_variante_id']);
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$quantity = (int) $item['cantidad'];
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$unitPrice = (float) ($variant->product?->precio ?? 0);
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return [
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'producto_variante_id' => $variant->getKey(),
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'cantidad' => $quantity,
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'precio_unitario' => $unitPrice,
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'discount_total' => null,
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'tax_total' => null,
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'total' => $unitPrice * $quantity,
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];
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})
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->all();
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}
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}
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