517 lines
18 KiB
PHP
517 lines
18 KiB
PHP
<?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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* 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: dyr
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* Date: 2017-12-04
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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\CouponList;
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use app\common\model\Shop;
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use app\common\util\TpshopException;
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use think\Model;
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use think\Db;
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/**
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* 计算价格类
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* Class CatsLogic
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* @package Home\Logic
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*/
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class Pay
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{
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protected $payList;
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protected $userId;
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protected $user;
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private $totalAmount = 0;//订单总价
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private $orderAmount = 0;//应付金额
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private $shippingPrice = 0;//物流费
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private $goodsPrice = 0;//商品总价
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private $cutFee = 0;//共节约多少钱
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private $totalNum = 0;// 商品总共数量
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private $integralMoney = 0;//积分抵消金额
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private $userMoney = 0;//使用余额
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private $payPoints = 0;//使用积分
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private $couponPrice = 0;//优惠券抵消金额
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private $orderPromId;//订单优惠ID
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private $orderPromAmount = 0;//订单优惠金额
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private $couponId;
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private $shop;//自提点
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/**
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* 计算订单表的普通订单商品
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* @param $order_goods
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* @return $this
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* @throws TpshopException
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*/
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public function payOrder($order_goods){
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$this->payList = $order_goods;
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$order = Db::name('order')->where('order_id', $this->payList[0]['order_id'])->find();
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if(empty($order)){
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throw new TpshopException('计算订单价格', 0, ['status' => -9, 'msg' => '找不到订单数据', 'result' => '']);
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}
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$reduce = tpCache('shopping.reduce');
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if($order['pay_status'] == 0 && $reduce == 2){
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$goodsListCount = count($this->payList);
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for ($payCursor = 0; $payCursor < $goodsListCount; $payCursor++) {
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$goods_stock = getGoodNum($this->payList[$payCursor]['goods_id'], $this->payList[$payCursor]['spec_key']); // 最多可购买的库存数量
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if($goods_stock <= 0 && $this->payList[$payCursor]['goods_num'] > $goods_stock){
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throw new TpshopException('计算订单价格', 0, ['status' => -9, 'msg' => $this->payList[$payCursor]['goods_name'].','.$this->payList[$payCursor]['spec_key_name'] . "库存不足,请重新下单", 'result' => '']);
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}
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}
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}
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$this->Calculation();
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return $this;
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}
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/**
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* 计算购买购物车的商品
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* @param $cart_list
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* @return $this
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* @throws TpshopException
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*/
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public function payCart($cart_list){
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$this->payList = $cart_list;
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$goodsListCount = count($this->payList);
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if ($goodsListCount == 0) {
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throw new TpshopException('计算订单价格', 0, ['status' => -9, 'msg' => '你的购物车没有选中商品', 'result' => '']);
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}
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$this->Calculation();
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return $this;
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}
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/**
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* 计算购买商品表的商品
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* @param $goods_list
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* @return $this
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* @throws TpshopException
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*/
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public function payGoodsList($goods_list)
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{
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$goodsListCount = count($goods_list);
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if ($goodsListCount == 0) {
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throw new TpshopException('计算订单价格', 0, ['status' => -9, 'msg' => '你的购物车没有选中商品', 'result' => '']);
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}
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$discount = $this->getDiscount();
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for ($goodsCursor = 0; $goodsCursor < $goodsListCount; $goodsCursor++) {
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//优先使用member_goods_price，没有member_goods_price使用goods_price
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if(empty($goods_list[$goodsCursor]['member_goods_price'])){
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//积分商品不打折。因为是全积分商品打会员折扣，结算会出现负数
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if($goods_list[$goodsCursor]['exchange_integral'] > 0){
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$goods_list[$goodsCursor]['member_goods_price'] = $goods_list[$goodsCursor]['goods_price'];
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}else{
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$goods_list[$goodsCursor]['member_goods_price'] = $discount * $goods_list[$goodsCursor]['goods_price'];
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}
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}
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}
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$this->payList = $goods_list;
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$this->Calculation();
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return $this;
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}
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/**
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* 初始化计算
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*/
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private function Calculation()
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{
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//查出搭配购的商品
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if($this->payList){
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$Cart = new Cart();
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foreach ($this->payList as $cartKey => $cartVal) {
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if ($cartVal['prom_type'] == 7) {
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$arr = $Cart->where(['combination_group_id' => $cartVal['id'], 'id' => ['neq', $cartVal['id']]])->select();
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$this->payList = array_merge($this->payList, $arr);
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}
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}
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}
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$goodsListCount = count($this->payList);
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for ($payCursor = 0; $payCursor < $goodsListCount; $payCursor++) {
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$this->payList[$payCursor]['goods_fee'] = $this->payList[$payCursor]['goods_num'] * $this->payList[$payCursor]['member_goods_price']; // 小计
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$this->goodsPrice += $this->payList[$payCursor]['goods_fee']; // 商品总价
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if(array_key_exists('market_price',$this->payList[$payCursor])){
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$this->cutFee += $this->payList[$payCursor]['goods_num'] * ($this->payList[$payCursor]['market_price'] - $this->payList[$payCursor]['member_goods_price']);// 共节约
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}
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$this->totalNum += $this->payList[$payCursor]['goods_num'];
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}
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$this->orderAmount = $this->goodsPrice;
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$this->totalAmount = $this->goodsPrice;
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}
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/**
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* 设置用户ID
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* @param $user_id
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* @return $this
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* @throws TpshopException
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*/
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public function setUserId($user_id)
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{
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$this->userId = $user_id;
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$this->user = Db::name('users')->where(['user_id' => $this->userId])->find();
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if(empty($this->user)){
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throw new TpshopException("计算订单价格",0,['status' => -9, 'msg' => '未找到用户', 'result' => '']);
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}
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return $this;
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}
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public function setShopById($shop_id)
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{
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if($shop_id){
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$this->shop = Shop::get($shop_id);
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}
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return $this;
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}
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/**
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* 使用积分
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* @throws TpshopException
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* @param $pay_points
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* @param $is_exchange|是否有使用积分兑换商品流程
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* @param $port
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* @return $this
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*/
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public function usePayPoints($pay_points, $is_exchange = false, $port = "pc")
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{
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if($pay_points > 0 && $this->orderAmount > 0){
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//积分规则修改后的逻辑
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$isUseIntegral = tpCache('integral.is_use_integral');
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$isPointMinLimit = tpCache('integral.is_point_min_limit');
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$isPointRate = tpCache('integral.is_point_rate');
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$isPointUsePercent = tpCache('integral.is_point_use_percent');
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$point_rate = tpCache('integral.point_rate');
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if($is_exchange == false){
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if($isUseIntegral==1 && $isPointUsePercent==1) {
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$use_percent_point = tpCache('integral.point_use_percent')/100;
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}else{
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$use_percent_point = 1;
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}
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if($isUseIntegral==1 && $isPointMinLimit==1) {
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$min_use_limit_point = tpCache('integral.point_min_limit');
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}else{
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$min_use_limit_point = 0;
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}
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if($isUseIntegral == 0 || $isPointRate != 1){
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throw new TpshopException("计算订单价格",0,['status' => -1, 'msg' => '该笔订单不能使用积分', 'result' => '']);
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}
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if($use_percent_point > 0 && $use_percent_point < 1){
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//计算订单最多使用多少积分
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$point_limit = intval($this->totalAmount * $point_rate * $use_percent_point);
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if($pay_points > $point_limit){
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if($port=="mobile"){
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$pay_points = $point_limit;
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}else {
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throw new TpshopException("计算订单价格", 0, ['status' => -1, 'msg' => "该笔订单, 您使用的积分不能大于" . $point_limit, 'result' => '']);
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}
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}
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}
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//计算订单最多使用多少积分(没勾选比例的情况)
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$next_point_limit = intval($this->totalAmount * $point_rate * $use_percent_point);
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if($port!="mobile" && $pay_points > $next_point_limit){
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throw new TpshopException("计算订单价格", 0, ['status' => -1, 'msg' => "该笔订单, 您使用的积分不能大于" . $next_point_limit, 'result' => '']);
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}
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if($pay_points > $this->user['pay_points']){
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throw new TpshopException("计算订单价格",0,['status' => -5, 'msg' => "你的账户可用积分为:" . $this->user['pay_points'], 'result' => '']);
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}
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if ($min_use_limit_point > 0 && $this->user['pay_points'] < $min_use_limit_point) {
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throw new TpshopException("计算订单价格",0,['status' => -1, 'msg' => "积分小于".$min_use_limit_point."时 ，不能使用积分", 'result' => '']);
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}
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$order_amount_pay_point = round($this->orderAmount * $point_rate,2);
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//$order_amount_pay_point = $this->orderAmount * $point_rate;
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if($pay_points > $order_amount_pay_point){
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$this->payPoints = $order_amount_pay_point;
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}else{
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$this->payPoints = $pay_points;
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}
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$this->integralMoney = $this->payPoints / $point_rate;
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$this->orderAmount = $this->orderAmount - $this->integralMoney;
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}else{
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//积分兑换流程
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if($pay_points <= $this->user['pay_points']){
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$this->payPoints = $pay_points;
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$this->integralMoney = $pay_points / $point_rate;//总积分兑换成的金额
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}else{
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$this->payPoints = 0;//需要兑换的总积分
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$this->integralMoney = 0;//总积分兑换成的金额
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}
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$this->orderAmount = $this->orderAmount - $this->integralMoney;
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}
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}
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return $this;
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}
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/**
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* 使用余额
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* @throws TpshopException
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* @param $user_money
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* @return $this
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*/
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public function useUserMoney($user_money)
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{
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if($user_money > 0){
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if($user_money > $this->user['user_money']){
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throw new TpshopException("计算订单价格",0,['status' => -6, 'msg' => "你的账户可用余额为:" . $this->user['user_money'], 'result' => '']);
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}
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if($this->orderAmount > 0){
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if($user_money > $this->orderAmount){
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$this->userMoney = $this->orderAmount;
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$this->orderAmount = 0;
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}else{
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$this->userMoney = $user_money;
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$this->orderAmount = $this->orderAmount - $this->userMoney;
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}
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}
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}
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return $this;
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}
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/**
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* 减去应付金额
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* @param $cut_money
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* @return $this
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*/
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public function cutOrderAmount($cut_money){
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$this->orderAmount = $this->orderAmount - $cut_money;
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return $this;
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}
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/**
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* 使用优惠券
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* @param $coupon_id
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* @return $this
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*/
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public function useCouponById($coupon_id){
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if($coupon_id > 0){
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$couponList = new CouponList();
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$userCoupon = $couponList->where(['uid'=>$this->user['user_id'],'id'=>$coupon_id])->find();
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if($userCoupon){
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$coupon = Db::name('coupon')->where(['id'=>$userCoupon['cid'],'status'=>1])->find(); // 获取有效优惠券类型表
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if($coupon){
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$this->couponId = $coupon_id;
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if ($this->orderAmount > 0) {
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if ($coupon['money'] > $this->orderAmount) {
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$this->couponPrice = $this->orderAmount;
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$this->orderAmount = 0;
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} else {
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$this->couponPrice = $coupon['money'];
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$this->orderAmount = $this->orderAmount - $this->couponPrice;
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}
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}
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}
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}
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}
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return $this;
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}
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/**
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* 配送
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* @param $district_id
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* @throws TpshopException
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* @return $this
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*/
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public function delivery($district_id){
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if (array_key_exists('is_virtual', $this->payList[0]) && $this->payList[0]['is_virtual'] == 0) {
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if (empty($this->shop) && empty($district_id)) {
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throw new TpshopException("计算订单价格", 0, ['status' => -1, 'msg' => '请填写收货信息', 'result' => ['']]);
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}
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}
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$GoodsLogic = new GoodsLogic();
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$checkGoodsShipping = $GoodsLogic->checkGoodsListShipping($this->payList, $district_id);
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foreach($checkGoodsShipping as $shippingKey => $shippingVal){
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if($shippingVal['shipping_able'] != true){
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throw new TpshopException("计算订单价格",0,['status'=>-1, 'code' => 301,
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'msg'=>'订单中部分商品【 '.$shippingVal['goods_name'].' 】不支持对当前地址的配送请返回购物车修改',
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'result'=>['goods_shipping'=>$checkGoodsShipping]]);
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}
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}
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//使用自提点不计算运费
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if(!empty($this->shop)){
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return $this;
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}
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//预售活动暂不计算运费
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if ($this->payList[0]['prom_type'] == 4) {
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return $this;
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}
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$freight_free = tpCache('shopping.freight_free'); // 全场满多少免运费
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if($this->goodsPrice < $freight_free || $freight_free == 0){
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$this->shippingPrice = $GoodsLogic->getFreight($this->payList, $district_id);
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$this->orderAmount = $this->orderAmount + $this->shippingPrice;
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$this->totalAmount = $this->totalAmount + $this->shippingPrice;
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}else{
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$this->shippingPrice = 0;
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}
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return $this;
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}
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/**
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* 获取折扣
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* @return int
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*/
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private function getDiscount()
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{
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if(empty($this->user['discount'])){
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return 1;
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}else{
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return $this->user['discount'];
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}
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}
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/**
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* 使用订单优惠
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*/
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public function orderPromotion()
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{
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$time = time();
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$order_prom_where = ['type'=>['lt',2],'end_time'=>['gt',$time],'start_time'=>['lt',$time],'money'=>['elt',$this->goodsPrice],'is_close'=>0];
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$orderProm = Db::name('prom_order')->where($order_prom_where)->order('money desc')->find();
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if ($orderProm) {
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if ($orderProm['type'] == 0) {
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$expressionAmount = round($this->goodsPrice * $orderProm['expression'] / 100, 2);//满额打折
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$this->orderPromAmount = round($this->goodsPrice - $expressionAmount, 2);
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$this->orderPromId = $orderProm['id'];
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} elseif ($orderProm['type'] == 1) {
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$this->orderPromAmount = $orderProm['expression'];
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$this->orderPromId = $orderProm['id'];
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}
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}
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$this->orderAmount = $this->orderAmount - $this->orderPromAmount;
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return $this;
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}
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/**
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* 获取实际上使用的余额
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* @return int
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*/
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public function getUserMoney()
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{
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return $this->userMoney;
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}
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/**
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* 获取订单总价
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* @return int
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*/
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public function getTotalAmount()
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{
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return number_format($this->totalAmount, 2, '.', '');
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}
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/**
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* 获取订单应付金额
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* @return int
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*/
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public function getOrderAmount()
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{
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return number_format($this->orderAmount, 2, '.', '');
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}
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/**
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* 获取实际上使用的积分抵扣金额
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* @return float
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*/
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public function getIntegralMoney(){
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return $this->integralMoney;
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}
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/**
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* 获取实际上使用的积分
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* @return float|int
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*/
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public function getPayPoints()
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{
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return $this->payPoints;
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}
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/**
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* 获取物流费
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* @return int
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*/
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public function getShippingPrice()
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{
|
||
return $this->shippingPrice;
|
||
}
|
||
|
||
/**
|
||
* 获取优惠券费
|
||
* @return int
|
||
*/
|
||
public function getCouponPrice()
|
||
{
|
||
return $this->couponPrice;
|
||
}
|
||
|
||
/**
|
||
* 商品总价
|
||
* @return int
|
||
*/
|
||
public function getGoodsPrice()
|
||
{
|
||
return $this->goodsPrice;
|
||
}
|
||
|
||
/**
|
||
* 获取用户
|
||
* @return mixed
|
||
*/
|
||
public function getUser()
|
||
{
|
||
return $this->user;
|
||
}
|
||
|
||
public function getPayList()
|
||
{
|
||
return $this->payList;
|
||
}
|
||
|
||
public function getCouponId()
|
||
{
|
||
return $this->couponId;
|
||
}
|
||
|
||
public function getOrderPromAmount()
|
||
{
|
||
return $this->orderPromAmount;
|
||
}
|
||
public function getOrderPromId()
|
||
{
|
||
return $this->orderPromId;
|
||
}
|
||
|
||
public function getShop()
|
||
{
|
||
return $this->shop;
|
||
}
|
||
|
||
public function getToTalNum()
|
||
{
|
||
return $this->totalNum;
|
||
}
|
||
|
||
public function toArray()
|
||
{
|
||
return [
|
||
'shipping_price' => round($this->shippingPrice, 2),
|
||
'coupon_price' => round($this->couponPrice, 2),
|
||
'user_money' => round($this->userMoney, 2),
|
||
'integral_money' => $this->integralMoney,
|
||
'pay_points' => $this->payPoints,
|
||
'order_amount' => round($this->orderAmount, 2),
|
||
'total_amount' => round($this->totalAmount, 2),
|
||
'goods_price' => round($this->goodsPrice, 2),
|
||
'total_num' => $this->totalNum,
|
||
'order_prom_amount' => round($this->orderPromAmount, 2),
|
||
];
|
||
}
|
||
} |