744 lines
23 KiB
PHP
744 lines
23 KiB
PHP
<?php
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namespace App\Services;
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use App\Constants\PayWay;
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use App\Endpoint\Api\Http\Resources\ProductSkuSimpleResource;
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use App\Endpoint\Api\Http\Resources\ShippingAddressResource;
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use App\Endpoint\Api\Http\Resources\UserCouponResource;
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use App\Exceptions\BizException;
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use App\Exceptions\ShippingNotSupportedException;
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use App\Helpers\Numeric;
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use App\Helpers\Order as OrderHelper;
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use App\Models\Order;
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use App\Models\OrderPackage;
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use App\Models\OrderProduct;
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use App\Models\ProductSku;
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use App\Models\ShippingAddress;
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use App\Models\User;
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use App\Models\UserCoupon;
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use Carbon\Carbon;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\DB;
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class OrderService
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{
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/**
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* @var array
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*/
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protected $wxpayWays = [
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PayWay::WXPAY_APP,
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PayWay::WXPAY_JSAPI,
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PayWay::WXPAY_MINI,
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PayWay::WXPAY_H5,
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];
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/**
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* 快速下单
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*
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* @param \App\Models\User $user
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* @param int $skuId
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* @param int $quantity
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* @param int $shippingAddressId
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* @param int|null $couponId
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* @param string|null $note
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* @return \App\Models\Order
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*/
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public function createQuickOrder(
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User $user,
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int $skuId,
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int $quantity,
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int $shippingAddressId,
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?int $couponId = null,
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?string $note = null
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): Order {
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$sku = ProductSku::online()->findOrFail($skuId);
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$product = [
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'sku' => $sku,
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'quantity' => $quantity,
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];
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return $this->createOrder($user, [$product], $shippingAddressId, $couponId, $note);
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}
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/**
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* 购物车下单
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*
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* @param \App\Models\User $user
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* @param int $skuId
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* @param int $quantity
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* @param int $shippingAddressId
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* @param int|null $couponId
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* @param string|null $note
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* @return \App\Models\Order
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*/
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public function createShoppingCartOrder(
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User $user,
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array $shoppingCartItemIds,
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int $shippingAddressId,
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?int $couponId = null,
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?string $note = null,
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): Order {
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$order = $this->createOrder(
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$user,
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$this->getProductsByShoppingCart($user, $shoppingCartItemIds),
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$shippingAddressId,
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$couponId,
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$note
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);
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$user->shoppingCartItems()->whereIn('id', $shoppingCartItemIds)->delete();
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return $order;
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}
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/**
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* 确认快速下单
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*
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* @param \App\Models\User $user
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* @param int $skuId
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* @param int $quantity
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* @param int|null $shippingAddressId
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* @param int|null $couponId
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* @return array
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*/
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public function verifyQuickOrder(User $user, int $skuId, int $quantity, ?int $shippingAddressId = null, ?int $couponId = null)
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{
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$sku = ProductSku::online()->findOrFail($skuId);
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$product = [
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'sku' => $sku,
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'quantity' => $quantity,
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];
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return $this->verifyOrder($user, [$product], $shippingAddressId, $couponId);
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}
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/**
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* 确认购物车订单
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*
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* @param \App\Models\User $user
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* @param array $shoppingCartItemIds
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* @param int|null $shippingAddressId
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* @param int|null $couponId
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* @return array
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*/
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public function verifyShoppingCartOrder(User $user, array $shoppingCartItemIds, ?int $shippingAddressId = null, ?int $couponId = null)
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{
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// 获取购买商品
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$products = $this->getProductsByShoppingCart($user, $shoppingCartItemIds);
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return $this->verifyOrder($user, $products, $shippingAddressId, $couponId);
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}
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/**
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* 创建订单
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*
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* @param \App\Models\User $user
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* @param array $products
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* @param int $shippingAddressId
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* @param int|null $couponId
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* @param string|null $note
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* @return \App\Models\Order
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*/
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protected function createOrder(
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User $user,
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array $products,
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int $shippingAddressId,
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?int $couponId = null,
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?string $note = null,
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): Order {
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foreach ($products as $product) {
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$sku = $product['sku'];
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if ($product['quantity'] > $sku->saleable_stock) {
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throw new BizException('商品库存不足');
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}
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}
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$shippingAddress = $this->getShippingAddress($user, $shippingAddressId);
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// 优惠券
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$coupon = null;
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if ($couponId) {
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$coupon = $user->coupons()->onlyAvailable()->lockForUpdate()->findOrFail($couponId);
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}
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$mapProducts = $this->mapProducts($user, $products, $coupon);
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// 计算运费
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$shippingFee = $this->calculateShippingFee($mapProducts, $shippingAddress);
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list(
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$productsTotalAmount,
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$vipDiscountAmount,
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$couponDiscountAmount,
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$totalAmount,
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) = $this->calculateFees($mapProducts);
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// 订单总费用
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$totalAmount += $shippingFee;
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$order = $user->orders()->create([
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'sn' => OrderHelper::serialNumber(),
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'user_coupon_id' => $coupon?->id,
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'coupon_discount_amount' => $couponDiscountAmount,
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'vip_discount_amount' => $vipDiscountAmount,
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'shipping_fee' => $shippingFee,
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'products_total_amount' => $productsTotalAmount,
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'total_amount' => $totalAmount,
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'status' => $totalAmount > 0 ? Order::STATUS_PENDING : Order::STATUS_PAID,
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'note' => $note,
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// 收货地址
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'consignee_name' => $shippingAddress->consignee,
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'consignee_telephone' => $shippingAddress->telephone,
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'consignee_zone' => $shippingAddress->zone,
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'consignee_address' => $shippingAddress->address,
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]);
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$data = [];
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foreach ($mapProducts as $product) {
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$sku = $product['sku'];
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// 支付金额 = 商品总额 - 优惠券折扣金额- 会员折扣金额
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$totalAmount = $product['total_amount'] - $product['coupon_discount_amount'] - $product['vip_discount_amount'];
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$data[] = [
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'user_id' => $order->user_id,
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'order_id' => $order->id,
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'spu_id' => $sku->spu_id,
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'sku_id' => $sku->id,
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'category_id' => $sku->category_id,
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'name' => $sku->name,
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'specs' => json_encode($sku->specs),
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'cover' => $sku->cover,
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'weight' => $sku->weight,
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'sell_price' => $sku->sell_price,
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'vip_price' => $sku->vip_price,
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'quantity' => $product['quantity'],
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'remain_quantity' => $product['quantity'],
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'coupon_discount_amount' => $product['coupon_discount_amount'],
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'vip_discount_amount' => $product['vip_discount_amount'],
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'total_amount' => $totalAmount,
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'created_at' => $order->created_at,
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'updated_at' => $order->updated_at,
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];
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$this->deductSkuStock($sku, $product['quantity']);
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}
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OrderProduct::insert($data);
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// 将优惠券标记为已使用
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$coupon?->markAsUse();
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return $order;
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}
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/**
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* 扣除商品库存
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*
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* @param \App\Models\ProductSku $sku
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* @param int $quantity
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* @return void
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*/
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protected function deductSkuStock(ProductSku $sku, int $quantity): void
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{
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$sku->update([
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'stock' => DB::raw("stock - {$quantity}"), // 库存
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'sales' => DB::raw("sales + {$quantity}"), // 销量
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]);
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$sku->spu->update([
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'sales' => DB::raw("sales + {$quantity}"), // 销量
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]);
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}
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/**
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* 确认订单
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*
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* @param \App\Models\User $user
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* @param array $products
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* @param int|null $shippingAddressId
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* @param int|null $couponId
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* @return array
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*/
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protected function verifyOrder(User $user, array $products, ?int $shippingAddressId = null, ?int $couponId = null): array
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{
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// 获取收货地址
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$shippingAddress = $this->getShippingAddress($user, $shippingAddressId);
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// 优惠券
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$coupon = null;
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if ($couponId) {
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$coupon = $user->coupons()->onlyAvailable()->findOrFail($couponId);
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}
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$mapProducts = $this->mapProducts($user, $products, $coupon);
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// 是否支持配送
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$shippingSupported = true;
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// 运费
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$shippingFee = 0;
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if ($shippingAddress) {
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try {
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$shippingFee = $this->calculateShippingFee($mapProducts, $shippingAddress);
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} catch (ShippingNotSupportedException $e) {
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$shippingFee = 0;
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$shippingSupported = false;
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}
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}
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list(
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$productsTotalAmount,
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$vipDiscountAmount,
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$couponDiscountAmount,
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$totalAmount,
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) = $this->calculateFees($mapProducts);
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// 订单总费用
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$totalAmount += $shippingFee;
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return [
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'products' => collect($mapProducts)->map(function ($item) {
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return [
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'sku' => ProductSkuSimpleResource::make($item['sku']),
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'quantity' => $item['quantity'],
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];
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}),
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'coupons' => UserCouponResource::collection((new CouponService())->getAvailableCoupons($user, $products)),
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'shipping_address' => $shippingAddress ? ShippingAddressResource::make($shippingAddress) : null, // 收货地址
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'shipping_supported' => $shippingSupported,
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'shipping_fee' => Numeric::trimTrailingZero(bcdiv($shippingFee, 100, 2)), // 运费
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'products_total_amount' => Numeric::trimTrailingZero(bcdiv($productsTotalAmount, 100, 2)), // 商品总额
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'vip_discount_amount' => Numeric::trimTrailingZero(bcdiv($vipDiscountAmount, 100, 2)), // 会员折扣金额
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'coupon_discount_amount' => Numeric::trimTrailingZero(bcdiv($couponDiscountAmount, 100, 2)), // 优惠券折扣金额
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'total_amount' => Numeric::trimTrailingZero(bcdiv($totalAmount, 100, 2)), // 实付金额
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];
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}
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/**
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* 计算费用
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*
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* @param array $products
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* @return array
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*/
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protected function calculateFees(array $products)
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{
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$productsTotalAmount = 0;
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$vipDiscountAmount = 0;
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$couponDiscountAmount = 0;
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foreach ($products as $product) {
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$productsTotalAmount += $product['total_amount'];
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$vipDiscountAmount += $product['vip_discount_amount'];
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$couponDiscountAmount += $product['coupon_discount_amount'];
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}
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// 订单总额
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$totalAmount = $productsTotalAmount - $vipDiscountAmount - $couponDiscountAmount;
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return [
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$productsTotalAmount,
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$vipDiscountAmount,
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$couponDiscountAmount,
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$totalAmount,
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];
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}
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/**
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* 计算运费
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*
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* @param array $products
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* @param \App\Models\ShippingAddress $shippingAddress
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* @return int
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*/
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protected function calculateShippingFee(array $products, ShippingAddress $shippingAddress): int
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{
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// 运费
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$shippingFee = 0;
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$shippings = [];
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foreach ($products as $product) {
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$sku = $product['sku'];
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if (is_null($sku->shipping_template_id)) {
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continue;
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}
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$shipping = $shippings[$sku->shipping_template_id] ?? [
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'total_weight' => 0,
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'total_amount' => 0,
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];
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$shipping['total_weight'] += $sku->weight * $product['quantity'];
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$shipping['total_amount'] += $product['total_amount'] - $product['vip_discount_amount'] - $product['coupon_discount_amount'];
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$shippings[$sku->shipping_template_id] = $shipping;
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}
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$shippingService = new ShippingService();
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foreach ($shippings as $templateId => $shipping) {
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$shippingFee += $shippingService->countShippingAmount(
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$shipping['total_weight'],
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$shipping['total_amount'],
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$templateId,
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$shippingAddress->zone_id
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);
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}
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return $shippingFee;
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}
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/**
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* 准备商品信息
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*
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* @param \App\Models\User $user
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* @param array $products
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* @param \App\Models\UserCoupon|null $coupon
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* @return array
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*
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* @throws \App\Exceptions\BizException
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*/
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protected function mapProducts(User $user, array $products, ?UserCoupon $coupon): array
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{
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$_products = collect($products)->map(function ($item) use ($user) {
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$sku = $item['sku'];
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return array_merge($item, [
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// 优惠券折扣金额
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'coupon_discount_amount' => 0,
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// 会员折扣金额
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'vip_discount_amount' => $this->calculateVipDiscountAmount(
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$user, $sku, $item['quantity']
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),
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// 总金额
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'total_amount' => $sku->sell_price * $item['quantity'],
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]);
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});
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if ($coupon === null) {
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return $_products->all();
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}
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$couponDiscountAmounts = $this->getCouponDiscountAmounts($coupon, $_products->all());
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return $_products->map(function ($item) use ($couponDiscountAmounts) {
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$item['coupon_discount_amount'] = $couponDiscountAmounts[$item['sku']->id] ?? 0;
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return $item;
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})->all();
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}
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/**
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* 计算会员折扣金额
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*
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* @param \App\Models\User $user
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* @param \App\Models\ProductSku $sku
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* @param int $quantity
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* @return int
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*/
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protected function calculateVipDiscountAmount(User $user, ProductSku $sku, int $quantity)
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{
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$price = $sku->getRealPrice($user);
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if ($price > $sku->sell_price) {
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return 0;
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}
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return ($sku->sell_price - $price) * $quantity;
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}
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/**
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* 获取商品的优惠券折扣金额
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*
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* @param \App\Models\UserCoupon $coupon
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* @param array $products
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* @return array
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*
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* @throws \App\Exceptions\BizException
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*/
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protected function getCouponDiscountAmounts(UserCoupon $coupon, array $products): array
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{
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// 启用的券的使用规则
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$coupon->loadMissing(['ranges' => function ($query) {
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$query->isEnable();
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}]);
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// 可使用优惠券的商品总额
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$amounts = [];
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foreach ($products as $item) {
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$sku = $item['sku'];
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if (! $coupon->isSupport($sku)) {
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throw new BizException('优惠券不满足使用条件');
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}
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$amount = $item['total_amount'] - $item['vip_discount_amount'];
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// 仅保留商品真实总额大于0的商品
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if ($amount > 0) {
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$amounts[$sku->id] = $amount;
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}
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}
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// 全部商品总额
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$totalAmount = array_sum($amounts);
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if ($coupon->coupon_threshold > $totalAmount) {
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throw new BizException('优惠券不满足使用条件');
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}
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// 优惠券折扣金额
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$couponAmount = value(function ($coupon, $totalAmount) {
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// 如果优惠券是折扣券，则需算出优惠总额
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if ($coupon->isDiscountCoupon()) {
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return (int) bcmul($totalAmount, bcdiv(100 - $coupon->coupon_amount, 100, 2));
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}
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// 如果优惠券的折扣金额超过商品总额，则优惠金额为商品总额
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if ($coupon->coupon_amount > $totalAmount) {
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return $totalAmount;
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}
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return $coupon->coupon_amount;
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||
}, $coupon, $totalAmount);
|
||
|
||
// 待计算优惠的商品总数
|
||
$i = count($amounts);
|
||
|
||
foreach ($amounts as &$amount) {
|
||
$i--;
|
||
|
||
if ($i > 0) {
|
||
$amount = (int) bcdiv(bcmul($couponAmount, $amount, 0), $totalAmount, 2);
|
||
$couponAmount -= $amount;
|
||
} else {
|
||
$amount = $couponAmount;
|
||
}
|
||
|
||
unset($amount);
|
||
}
|
||
|
||
return $amounts;
|
||
}
|
||
|
||
/**
|
||
* 根据购物车获取商品
|
||
*
|
||
* @param \App\Models\User $user
|
||
* @param array $shoppingCartItemIds
|
||
* @return array
|
||
*
|
||
* @throws \App\Exceptions\BizException
|
||
*/
|
||
protected function getProductsByShoppingCart(User $user, array $shoppingCartItemIds): array
|
||
{
|
||
$shoppingCartItems = $user->shoppingCartItems()->findMany($shoppingCartItemIds);
|
||
|
||
if ($shoppingCartItems->count() !== count($shoppingCartItemIds)) {
|
||
throw new BizException('购物车商品已丢失');
|
||
}
|
||
|
||
$shoppingCartItems->load('sku');
|
||
|
||
$lostShoppingCartItems = $shoppingCartItems->filter(function ($item) {
|
||
return $item->sku === null;
|
||
});
|
||
|
||
if ($lostShoppingCartItems->count() > 0) {
|
||
throw new BizException('购物车商品已失效');
|
||
}
|
||
|
||
return $shoppingCartItems->map(function ($item) {
|
||
return [
|
||
'sku' => $item->sku,
|
||
'quantity' => $item->quantity,
|
||
];
|
||
})->all();
|
||
}
|
||
|
||
/**
|
||
* 获取收货地址
|
||
*
|
||
* @param \App\Models\User $user
|
||
* @param int|null $shippingAddressId
|
||
* @return \App\Models\ShippingAddress|null
|
||
*
|
||
* @throws \Illuminate\Database\Eloquent\ModelNotFoundException
|
||
*/
|
||
protected function getShippingAddress(User $user, ?int $shippingAddressId = null): ?ShippingAddress
|
||
{
|
||
if ($shippingAddressId) {
|
||
return $user->shippingAddresses()->findOrFail($shippingAddressId);
|
||
}
|
||
|
||
return $user->shippingAddresses()->where('is_default', true)->first();
|
||
}
|
||
|
||
/**
|
||
* 订单付款
|
||
*
|
||
* @param \App\Models\Order $order
|
||
* @param string $payWay
|
||
* @return mixed
|
||
*
|
||
* @throws \App\Exceptions\WeChatPayException
|
||
*/
|
||
public function pay(Order $order, string $payWay)
|
||
{
|
||
if (! $order->isPending()) {
|
||
throw new BizException('订单状态不是待付款');
|
||
}
|
||
|
||
if (in_array($payWay, $this->wxpayWays)) {
|
||
return (new WeChatPayService())->pay([
|
||
'attach' => json_encode([
|
||
'pay_target' => 'order',
|
||
'pay_way' => $payWay,
|
||
]),
|
||
'body' => config('settings.app_name').'-商城订单',
|
||
'out_trade_no' => $order->sn,
|
||
'total_fee' => $order->total_amount,
|
||
'notify_url' => url(route('wxpay.paid_notify', [], false), [], true),
|
||
'trade_type' => PayWay::$wxpayTradeTypes[$payWay],
|
||
]);
|
||
}
|
||
|
||
throw new BizException('支付方式不支持');
|
||
}
|
||
|
||
/**
|
||
* 支付成功
|
||
*
|
||
* @param string $sn
|
||
* @param array $params
|
||
* @return void
|
||
*/
|
||
public function paySuccess(string $sn, array $params = []): void
|
||
{
|
||
$order = Order::where('sn', $sn)->firstOrFail();
|
||
|
||
if (! $order->isPending()) {
|
||
throw new BizException('订单状态不是待支付');
|
||
}
|
||
|
||
$order->update([
|
||
'pay_sn' => $params['pay_sn'],
|
||
'pay_way' => $params['pay_way'],
|
||
'pay_at' => $params['pay_at'],
|
||
'status' => Order::STATUS_PAID,
|
||
]);
|
||
|
||
// todo 处理预收益
|
||
}
|
||
|
||
/**
|
||
* 更新包裹状态
|
||
*
|
||
* @param Collection|null $packages
|
||
* @param integer $status
|
||
* @return void
|
||
*/
|
||
public function updatePackageStatus(OrderPackage $package, int $status)
|
||
{
|
||
//如果包裹已签收则不再更新包裹状态
|
||
if ($package->status == OrderPackage::STATUS_CHECK || $package->status == OrderPackage::STATUS_AUTOCHECK) {
|
||
return;
|
||
}
|
||
//如果签收状态
|
||
if ($status == OrderPackage::STATUS_CHECK || $status == OrderPackage::STATUS_AUTOCHECK) {
|
||
$this->checkOrderPackage($package, $status);
|
||
} else {
|
||
$package->update([
|
||
'status'=>$status,
|
||
]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 订单确认收货
|
||
*
|
||
* @return void
|
||
*/
|
||
public function checkOrder(Order $order)
|
||
{
|
||
//获取订单的未作废未签收包裹
|
||
$packages = $order->packages()->where('is_failed', false)->whereNotIn('status', [OrderPackage::STATUS_CHECK, OrderPackage::STATUS_AUTOCHECK])->get();
|
||
foreach ($packages as $package) {
|
||
$this->checkPackage($package, OrderPackage::STATUS_AUTOCHECK);
|
||
}
|
||
if ($order->isShipped()
|
||
&& OrderPackage::where('order_id', $order->id)->whereNotIn('status', [OrderPackage::STATUS_CHECK, OrderPackage::STATUS_AUTOCHECK])->doesntExist()
|
||
) {
|
||
//更新订单完成
|
||
$order->update([
|
||
'status' => Order::STATUS_COMPLETED,
|
||
'completed_at' => now(),
|
||
]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 签收订单包裹:会更新订单状态
|
||
*
|
||
* @param OrderPackage $package
|
||
* @param integer $status
|
||
* @param Carbon|null $time
|
||
* @return void
|
||
*/
|
||
public function checkOrderPackage(OrderPackage $package, int $status, ?Carbon $time = null)
|
||
{
|
||
$this->checkPackage($package, $status);
|
||
//如果订单是发货完成状态，且所有包裹都签收了
|
||
if ($package->order->isShipped()
|
||
&& OrderPackage::where('order_id', $package->order_id)->whereNotIn('status', [OrderPackage::STATUS_CHECK, OrderPackage::STATUS_AUTOCHECK])->doesntExist()
|
||
) {
|
||
//更新订单完成
|
||
$package->order->update([
|
||
'status' => Order::STATUS_COMPLETED,
|
||
'completed_at' => now(),
|
||
]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 签收包裹
|
||
*
|
||
* status 区分3签收（物流推送签收）和11自动签收（属于用户手动点，或者时间到了）
|
||
* @return void
|
||
*/
|
||
protected function checkPackage(OrderPackage $package, int $status, ?Carbon $time = null)
|
||
{
|
||
//如果不是签收状态，则直接退出
|
||
if (!in_array($status, [OrderPackage::STATUS_CHECK, OrderPackage::STATUS_AUTOCHECK])) {
|
||
return;
|
||
}
|
||
|
||
$checkTime = $time ?? now();//没指定签收时间，则默认当前时间
|
||
|
||
//物流签收，更新包裹状态。
|
||
// if ($status == OrderPackage::STATUS_CHECK) { //自动签收不更新包裹状态
|
||
$package->update([
|
||
'status'=> $status,
|
||
'checked_at' => $checkTime,
|
||
]);
|
||
// }
|
||
//如果这个包裹的订单状态是发货中，发货完成
|
||
if ($package->order->isShipped() || $package->order->isShipping()) {
|
||
//处理这个包裹的商品的售后过期时间
|
||
$package->orderProducts()->update([
|
||
'after_expire_at'=>$checkTime->addDays(config('settings.sale_after_expire_days', 7)),
|
||
]);
|
||
}
|
||
}
|
||
}
|