230 lines
8.8 KiB
PHP
230 lines
8.8 KiB
PHP
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<?php
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/**
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* tpshop
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* ============================================================================
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* 版权所有 2015-2027 深圳搜豹网络科技有限公司，并保留所有权利。
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* 网站地址: http://www.tp-shop.cn
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用 .
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* 不允许对程序代码以任何形式任何目的的再发布。
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* 如果商业用途务必到官方购买正版授权, 以免引起不必要的法律纠纷.
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* 采用最新Thinkphp5助手函数特性实现单字母函数M D U等简写方式
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* ============================================================================
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* Author: IT宇宙人
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* Date: 2015-09-09
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*/
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namespace app\common\logic;
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use app\common\model\Cart;
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use app\common\model\Goods;
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use app\common\model\PreSell;
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use app\common\model\SpecGoodsPrice;
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use app\common\util\TpshopException;
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use think\db;
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/**
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* 预售
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* Class CatsLogic
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* @package common\Logic
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*/
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class PreSellLogic extends Prom
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{
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protected $preSell;//预售活动模型
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protected $goods;//商品模型
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protected $specGoodsPrice;//商品规格模型
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public function __construct($goods, $specGoodsPrice)
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{
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parent::__construct();
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$this->goods = $goods;
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$this->specGoodsPrice = $specGoodsPrice;
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$this->initProm();
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}
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public function initProm()
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{
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// TODO: Implement initProm() method.
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if($this->specGoodsPrice){
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//活动商品有规格，规格和活动是一对一
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$this->preSell = PreSell::get($this->specGoodsPrice['prom_id'],'',false);
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}else{
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//活动商品没有规格，活动和商品是一对一
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$this->preSell = PreSell::get($this->goods['prom_id'],'',false);
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}
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if ($this->preSell) {
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//每次初始化都检测活动是否结束，如果失效就更新活动和商品恢复成普通商品
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if ($this->checkActivityIsEnd() && $this->preSell['is_finished'] == 0) {
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if($this->specGoodsPrice){
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Db::name('spec_goods_price')->where('item_id', $this->specGoodsPrice['item_id'])->save(['prom_type' => 0, 'prom_id' => 0]);
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$goodsPromCount = Db::name('spec_goods_price')->where('goods_id', $this->specGoodsPrice['goods_id'])->where('prom_type','>',0)->count('item_id');
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if($goodsPromCount == 0){
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Db::name('goods')->where("goods_id", $this->specGoodsPrice['goods_id'])->save(['prom_type' => 0, 'prom_id' => 0]);
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}
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$item_id = $this->specGoodsPrice['item_id'];
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unset($this->specGoodsPrice);
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$this->specGoodsPrice = SpecGoodsPrice::get($item_id['item_id'],'',true);
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}else{
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Db::name('goods')->where("goods_id", $this->preSell['goods_id'])->save(['prom_type' => 0, 'prom_id' => 0]);
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}
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$this->preSell->is_finished = 1;
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$this->preSell->save();
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$goods_id = $this->goods['goods_id'];
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unset($this->goods);
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$this->goods = Goods::get($goods_id,'',true);
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}
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}
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}
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/**
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* 活动是否正在进行
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* @return bool
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*/
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public function checkActivityIsAble(){
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if(empty($this->preSell)){
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return false;
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}
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if(time() > $this->preSell['sell_start_time'] && time() < $this->preSell['sell_end_time'] && $this->preSell['is_finished'] == 0){
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return true;
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}
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return false;
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}
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/**
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* 活动是否结束
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* @return bool
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*/
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public function checkActivityIsEnd(){
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if(empty($this->preSell)){
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return true;
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}
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if($this->preSell['deposit_goods_num'] >= $this->preSell['stock_num']){
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return true;
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}
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if(time() > $this->preSell['sell_end_time']){
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return true;
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}
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return false;
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}
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/**
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* 获取单个抢购活动
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* @return static
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*/
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public function getPromModel(){
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return $this->preSell;
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}
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/**
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* 获取商品原始数据
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* @return static
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*/
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public function getGoodsInfo()
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{
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return $this->goods;
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}
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/**
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* 获取商品转换活动商品的数据
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* @return static
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*/
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public function getActivityGoodsInfo(){
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if($this->specGoodsPrice){
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//活动商品有规格，规格和活动是一对一
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$activityGoods = $this->specGoodsPrice->toArray();
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}else{
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//活动商品没有规格，活动和商品是一对一
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$activityGoods = $this->goods->toArray();
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}
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$activityGoods['activity_title'] = $this->preSell['title'];
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$activityGoods['market_price'] = $this->goods['shop_price'];
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$activityGoods['shop_price'] = $this->preSell['ing_price'];//预售价格
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$activityGoods['deposit_price'] = $this->preSell['deposit_price'];//订金
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$activityGoods['balance_price'] = $this->preSell['ing_price'] - $this->preSell['deposit_price'];//尾款
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$activityGoods['store_count'] = $this->preSell['stock_num'] - $this->preSell['deposit_goods_num'];
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$activityGoods['start_time'] = $this->preSell['sell_start_time'];
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$activityGoods['end_time'] = $this->preSell['sell_end_time'];
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$activityGoods['price_ladder'] = $this->preSell['price_ladder'];
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$activityGoods['ing_amount'] = $this->preSell['ing_amount'];
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return $activityGoods;
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}
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/**
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* 这里不会用到，预售商品不走购物车
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* 该活动是否已经失效
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*/
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public function IsAble(){
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return true;
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}
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/**
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* 组装成和购物车表一样的数据记录
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* @param $goods_num
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* @return array
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* @throws TpshopException
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*/
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public function buyNow($goods_num)
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{
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$user = session('user');
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if ($this->checkActivityIsEnd()) {
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throw new TpshopException('立即购买', 0, ['status' => 0, 'msg' => '活动已结束', 'result' => '']);
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}
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if (!$this->checkActivityIsAble()) {
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throw new TpshopException('立即购买', 0, ['status' => 0, 'msg' => '活动已失效', 'result' => '']);
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}
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if($goods_num > $this->preSell['stock_num']){
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throw new TpshopException('立即购买', 0, ['status' => 0, 'msg' => '预售库存不足，剩余'.$this->preSell['stock_num'].'件', 'result' => '']);
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}
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$cartInfo = [
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'user_id'=>$user['user_id'],
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'session_id'=>session_id(),
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'goods_id'=>$this->goods['goods_id'],
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'goods_sn'=>$this->goods['goods_sn'],
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'goods_name'=>$this->goods['goods_name'],
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'market_price'=>$this->goods['market_price'],
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'selected'=>1,
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'add_time'=>time(),
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'prom_type'=>4,
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'prom_id'=>$this->preSell['pre_sell_id'],
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'goods_num'=>$goods_num,
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];
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$cartInfo['goods_price'] = $this->preSell['ing_price'];
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if($this->preSell['deposit_price'] > 0){
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$cartInfo['member_goods_price'] = $this->preSell['deposit_price'];
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}else{
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$cartInfo['member_goods_price'] = $this->preSell['ing_price'];
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}
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if($this->specGoodsPrice){
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$cartInfo['spec_key'] = $this->specGoodsPrice['key'];
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$cartInfo['spec_key_name'] = $this->specGoodsPrice['key_name'];
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$cartInfo['bar_code'] = $this->specGoodsPrice['bar_code'];
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$cartInfo['sku'] = $this->specGoodsPrice['sku'];
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if($goods_num > $this->specGoodsPrice['store_count']){
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throw new TpshopException('立即购买', 0, ['status' => 0, 'msg' => '商品规格库存不足，剩余'.$this->specGoodsPrice['store_count'].'件', 'result' => '']);
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}
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}else{
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$cartInfo['spec_key'] = '';
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$cartInfo['spec_key_name'] = '';
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$cartInfo['bar_code'] = '';
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$cartInfo['sku'] = $this->goods['sku'];
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if($goods_num > $this->goods['store_count']){
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throw new TpshopException('立即购买', 0, ['status' => 0, 'msg' => '商品库存不足，剩余'.$this->goods['store_count'].'件', 'result' => '']);
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}
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}
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$cart = new Cart();
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$cartInfo['total_fee'] = $cart->getTotalFeeAttr(null, $cartInfo);
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$cartInfo['goods_fee'] = $cart->getGoodsFeeAttr(null, $cartInfo);
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$cartInfo['cut_fee'] = $cart->getCutFeeAttr(null, $cartInfo);
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$cartInfo['goods']['weight'] = $this->goods['weight'];
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$cartInfo['weight'] = $this->goods['weight'];
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return $cartInfo;
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}
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public function getPromId(){
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if($this->preSell){
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return $this->preSell['pre_sell_id'];
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}else{
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return null;
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}
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}
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}
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