vape_shop/app/index/controller/Cart.php

<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\index\controller;

use app\index\model\Cart as CartModel;
use app\index\model\Region;
use app\index\model\Region as RegionModel;
use app\index\model\UserAddress;
use app\index\service\Cart as CartService;
use app\common\exception\BaseException;
use think\facade\Cache;
use think\facade\Session;
use think\response\Json;

/**
 * 购物车管理
 * Class Cart
 * @package app\api\controller
 */
class Cart extends Controller
{
    /**
     * @return |\think\response\View
     */
    public function shoppingCart()
    {
        $userId = Session::get('user_id');
        if (empty($userId)) {
            return view('passport/logIn');
        }

        // 购物车商品列表
        $service = new CartService;
        $list = $service->getList();
        // 购物车商品总数量
        $cartTotal = (new CartModel)->getCartTotal();
        $user = $this->getCurrentLoginUser();
        $cartMoney = '0.00';
        foreach ($list as $item) {
            $temp = bcmul(strval($item['goods_num']), $item['goods']['goods_price_min'], 2);
            $cartMoney = bcadd($cartMoney, $temp, 2);
        }

        $payPoints = intval(bcmul($cartMoney, '100', 0));//订单所需积分
        $payByPoints = false;
        if ($payPoints > 0 && intval($user['points']) >= $payPoints) {
            $payByPoints = true;
        }

        $res = ['list' => $list, 'cartTotal' => $cartTotal, 'cartMoney' => $cartMoney, 'points' => $user['points'], 'payByPoints' => $payByPoints];
        $res['addressId'] = 0;
        $res['full'] = '';
        $res['zipCode'] = '';
        $res['name'] = '';
        $res['lastName'] = '';
        $res['fullName'] = '';
        $res['phone'] = '';
        $res['email'] = '';
        $res['regionId'] = 0;
        $res['city'] = '';
        $res['detail'] = '';

        $regList = RegionModel::getCacheAll();
        $states50 = array_slice($regList, 2);
        $res['states50'] = $states50;

        if (!empty($user['address_id'])) {
            $addr = UserAddress::detailInner($user['address_id']);
            if ($addr) {
                $res['addressId'] = $addr['address_id'];
                $res['full'] = $addr['detail'] . ',' . $addr['city'] . ',' . $addr['region']['region'] . '(' . $addr['zip_code'] . '),US';
                $res['zipCode'] = $addr['zip_code'];
                $res['name'] = $addr['name'];
                $res['lastName'] = $addr['last_name'];
                $res['fullName'] = $addr['name'] . ' ' . $addr['last_name'];
                $res['phone'] = $addr['phone'];
                $res['email'] = $addr['email'];
                $res['regionId'] = $addr['region_id'];
                $res['city'] = $addr['city'];
                $res['detail'] = $addr['detail'];
            }
        }

        return view('shoppingCart', $res);
    }

    /**
     * 购物车商品列表
     * @return Json
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \cores\exception\BaseException
     */
    public function list(): Json
    {
        // 购物车商品列表
        $service = new CartService;
        $list = $service->getList();
        // 购物车商品总数量
        $cartTotal = (new CartModel)->getCartTotal();
        return $this->renderSuccess(compact('cartTotal', 'list'));
    }

    /**
     * 购物车商品总数量
     * @return Json
     * @throws BaseException
     */
    public function total(): Json
    {
        $model = new CartModel;
        $cartTotal = $model->getCartTotal();
        return $this->renderSuccess(compact('cartTotal'));
    }

    /**
     * 加入购物车
     * @param int $goodsId 商品ID
     * @param string $goodsSkuId 商品sku索引
     * @param int $goodsNum 商品数量
     * @return Json |\think\response\View
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function add(int $goodsId, string $goodsSkuId, int $goodsNum): Json
    {
        $userId = Session::get('user_id');
        if (empty($userId)) {
            return $this->renderJson(config('status.not_logged'), 'Log in please!');
        }

        $key = $this->request->param('key', null);
        if (!empty($key)) {
            Cache::set(\app\index\model\User::SHARE_PREFIX . $userId, $key, 3600 * 24 * 30);
        }

        $model = new CartModel;
        if (!$model->add($goodsId, $goodsSkuId, $goodsNum)) {
            return $this->renderError($model->getError() ?: 'Added to shopping cart failed');
        }
        // 购物车商品总数量
        $cartTotal = $model->getCartTotal();
        return $this->renderSuccess(compact('cartTotal'), 'Added to shopping cart successfully');
    }

    /**
     * 更新购物车商品数量
     * @param int $goodsId 商品ID
     * @param string $goodsSkuId 商品sku索引
     * @param int $goodsNum 商品数量
     * @return Json
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function update(int $goodsId, string $goodsSkuId, int $goodsNum): Json
    {
        $userId = Session::get('user_id');
        if (empty($userId)) {
            return $this->renderJson(config('status.not_logged'), 'Log in please!');
        }

        if ($goodsNum <= 0) {
            return $this->renderError('Action Not Supported!');
        }

        $model = new CartModel;
        if (!$model->sUpdate($goodsId, $goodsSkuId, $goodsNum)) {
            return $this->renderError($model->getError() ?: '更新失败');
        }
        // 购物车商品总数量
        //$cartTotal = $model->getCartTotal();
        $cartMoney = $this->getCartMoney();
        return $this->renderSuccess(compact('cartMoney'), 'Successful operation');
    }

    /**
     * 删除购物车中指定记录
     * @param array $cartIds 购物车ID集, 如果为空删除所有
     * @return Json
     * @throws BaseException
     */
    public function clear(array $cartIds = []): Json
    {
        $userId = Session::get('user_id');
        if (empty($userId)) {
            return $this->renderJson(config('status.not_logged'), 'Log in please!');
        }
        $model = new CartModel;
        if (!$model->clear($cartIds)) {
            return $this->renderError($model->getError() ?: 'Failed operation');
        }
        // 购物车商品总数量
        //$cartTotal = $model->getCartTotal();
        $cartMoney = $this->getCartMoney();

        return $this->renderSuccess(compact('cartMoney'), 'Successful operation');
    }

    private function getCartMoney()
    {
        $service = new CartService;
        $list = $service->getList();
        $sum = '0.00';
        foreach ($list as $item) {
            $temp = bcmul(strval($item['goods_num']), strval($item['goods']['goods_price_min']), 2);
            $sum = bcadd($sum, $temp, 2);
        }
        return $sum;

    }
}