<?php
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namespace app\api\service\order\settled;
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use app\api\model\order\Order as OrderModel;
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use app\api\model\plus\seckill\Active as ActiveModel;
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use app\api\model\plus\seckill\Product as ProductModel;
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use app\common\enum\order\OrderSourceEnum;
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use app\common\model\settings\Setting as SettingModel;
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/**
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* 秒杀订单结算服务类
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*/
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class SeckillOrderSettledService extends OrderSettledService
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{
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private $config;
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/**
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* 构造函数
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*/
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public function __construct($user, $supplierData, $params)
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{
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parent::__construct($user, $supplierData, $params);
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// 订单来源
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$this->orderSource = [
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'source' => OrderSourceEnum::SECKILL,
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'activity_id' => $supplierData[0]['productList'][0]['activity_id']
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];
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$this->config = SettingModel::getItem('seckill');
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// 自身构造,差异化规则
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$this->settledRule = array_merge($this->settledRule, [
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'is_coupon' => $this->config['is_coupon'],
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'is_agent' => $this->config['is_agent'],
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'is_use_points' => $this->config['is_point'],
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'is_user_grade' => false, // 会员等级折扣
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]);
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}
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/**
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* 验证订单商品的状态
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*/
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public function validateProductList()
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{
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foreach ($this->supplierData[0]['productList'] as $product) {
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// 判断商品是否下架
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if ($product['product_status']['value'] != 10) {
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$this->error = "很抱歉，秒杀商品已下架";
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return false;
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}
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// 判断商品库存
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if ($product['total_num'] > $product['seckill_sku']['seckill_stock']) {
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$this->error = "很抱歉，秒杀商品库存不足";
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return false;
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}
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//是否在秒杀时间段
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$seckill_model = ProductModel::detail($product['seckill_sku']['seckill_product_id'], ['active']);
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$res = (new ActiveModel())->checkOrderTime($seckill_model['active']);
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if ($res['code'] != 0) {
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$this->error = $res[$res['code']];
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return false;
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}
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// 是否超过购买数
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if ($product['seckill_product']['limit_num'] > 0) {
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$hasNum = OrderModel::getPlusOrderNum($this->user['user_id'], $product['product_source_id'], OrderSourceEnum::SECKILL);
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if ($hasNum + $product['total_num'] > $product['seckill_product']['limit_num']) {
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$this->error = "很抱歉，你已购买或超过此商品最大秒杀数量";
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return false;
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}
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}
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}
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return true;
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}
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}
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