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151 lines
4.6 KiB
151 lines
4.6 KiB
<?php
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namespace addons\shopro\library\activity\provider;
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use addons\shopro\traits\StockSale;
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use addons\shopro\exception\ShoproException;
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/**
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* 秒杀
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*/
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class Seckill extends Base
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{
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use StockSale;
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protected $rules = [
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"is_commission" => "require|boolean",
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"is_free_shipping" => "require|boolean",
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"sales_show_type" => "require",
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"limit_num" => "number|egt:0",
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"order_auto_close" => "float|egt:0",
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];
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protected $message = [
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];
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protected $default = [
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"is_commission" => 0, // 是否参与分销
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"is_free_shipping" => 0, // 是否包邮
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"sales_show_type" => "real", // real=真实活动销量|goods=商品总销量（包含虚拟销量）
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"limit_num" => 0, // 每人限购数量 0:不限购
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"order_auto_close" => 0, // 订单自动关闭时间，如果为 0 将使用系统级订单自动关闭时间
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];
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public function check($params, $activity_id = 0)
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{
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// 数据验证
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$params = parent::check($params);
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// 验证添加的活动商品是否至少设置了一个活动规格
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$this->checkActivitySkuPrice($params['goods_list']);
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// 检测活动之间是否存在冲突
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$this->checkActivityConflict($params, $params['goods_list'], $activity_id);
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return $params;
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}
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public function save($activity, $params = [])
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{
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$goodsList = $params['goods_list'];
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$this->saveSkuPrice($goodsList, $activity);
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}
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public function recoverSkuPrices($goods, $activity)
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{
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$activitySkuPrices = $activity['activity_sku_prices'];
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$skuPrices = $goods->sku_prices;
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foreach ($skuPrices as $key => &$skuPrice) {
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$stock = $skuPrice->stock; // 下面要用
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$skuPrice->stock = 0;
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$skuPrice->sales = 0;
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foreach ($activitySkuPrices as $activitySkuPrice) {
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if ($skuPrice['id'] == $activitySkuPrice['goods_sku_price_id']) {
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// 采用活动的 规格内容
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$skuPrice->old_price = $skuPrice->price; // 保存原始普通商品规格的价格（计算活动的优惠）
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$skuPrice->stock = ($activitySkuPrice['stock'] > $stock) ? $stock : $activitySkuPrice['stock']; // 活动库存不能超过商品库存
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$skuPrice->sales = $activitySkuPrice['sales'];
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$skuPrice->price = $activitySkuPrice['price'];
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$skuPrice->status = $activitySkuPrice['status']; // 采用活动的上下架
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$skuPrice->min_price = $activitySkuPrice['price']; // 当前活动规格最小价格，这里是秒杀价
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$skuPrice->max_price = $activitySkuPrice['price']; // 用作计算活动中最大价格
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// 记录相关活动类型
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$skuPrice->activity_type = $activity['type'];
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$skuPrice->activity_id = $activity['id'];
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// 下单的时候需要存活动 的 sku_price_id）
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$skuPrice->item_goods_sku_price = $activitySkuPrice;
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break;
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}
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}
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}
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return $skuPrices;
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}
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/**
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* 这里要使用 shoproException 抛出异常
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*
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* @param array $buyInfo
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* @param array $activity
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* @return array
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*/
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public function buyCheck($buyInfo, $activity)
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{
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// 秒杀
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$rules = $activity['rules'];
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$currentSkuPrice = $buyInfo['current_sku_price'];
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// 当前库存，小于要购买的数量
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$need_num = $buyInfo['goods_num'] + ($need_add_num ?? 0);
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if ($currentSkuPrice['stock'] < $need_num) {
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throw new ShoproException('商品库存不足');
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}
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$buyInfo['is_commission'] = $rules['is_commission'] ?? 0; // 是否参与分销
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return $buyInfo;
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}
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public function buy($buyInfo, $activity)
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{
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$user = auth_user();
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// 判断 并 增加 redis 销量
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$this->cacheForwardSale($buyInfo);
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return $buyInfo;
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}
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public function buyOk($order, $user)
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{
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// 不需要处理
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}
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/**
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* 购买失败
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*
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* @param array $order
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* @return void
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*/
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public function buyFail($order, $type)
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{
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// 判断扣除预销量 (活动信息还在 redis)
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$this->cacheBackSale($order);
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}
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} |