bjhedasx/app/mall/model/MallCart.php

<?php

namespace app\mall\model;

use think\facade\Db;

class MallCart extends Base
{

    /**
     * 更新购物车产品选中状态
     * @param int $cart_id 购物车ID
     * @param int $is_select 0--未选中 1--已选中
     * @date 2022-08-25
     */
    public function updateCartProductSelectedStatus($cart_id, $is_select)
    {
        $data = [
            'id' => $cart_id,
            'is_select' => $is_select
        ];
        return $this->dataUpdate($data);
    }

    /**
     * 获取用户购物车商品
     * @param int $user_id 用户ID
     * @date 2022-08-25
     */
    public function listUserCart($user_id = '')
    {
        // 默认为当前用户ID
        if (empty($user_id)) {
            $user_id = $this->userId;
        }

        $field = 'id,product_id,is_product_spec_open,product_sku,number,is_effective,is_select';
        $where = [
            ['user_id', '=', $user_id]
        ];
        $order = 'id desc';
        //获取购物车商品
        $data_list = $this->with(['mallProduct', 'mallProductSku'])->field($field)->where($where)->order($order)->select()->each(function ($item) {
            if ($item['is_product_spec_open_original'] == 0) {
                $item['product_cover_img'] = $item['product_cover_img_original'];
                $item['product_stock'] = $item['product_stock_original'];
                $item['product_price'] = $item['product_price_original'];
                $item['product_sku_name'] = '';
            } else if ($item['is_product_spec_open_original'] == 1) {
                $item['product_cover_img'] = $item['product_cover_img_sku'];
                $item['product_stock'] = $item['product_stock_sku'];
                $item['product_price'] = $item['product_price_sku'];
            }
            unset($item['mallProduct']);
            unset($item['mallProductSku']);
            unset($item['is_product_spec_open_original']);
            unset($item['product_cover_img_original']);
            unset($item['product_stock_original']);
            unset($item['product_price_original']);
            unset($item['product_cover_img_sku']);
            unset($item['product_stock_sku']);
            unset($item['product_price_sku']);
//            unset($item['product_is_publish']);
//            unset($item['product_delete_time']);
            return $item;
        });

//        $data_list = $this->getAllCart([
//            ['user_id', '=', $user_id]
//        ], 'id,product_id,is_product_spec_open,product_sku,number,is_effective,is_select');

        return $data_list;
    }

    /**
     * 获取全部购物车商品
     * @param array $where 查询条件
     * @param string $field 查询字段
     * @date 2022-10-13
     */
    public function getAllCart($where, $field = '*')
    {
        return $this->with(['mallProduct', 'mallProductSku'])->field($field)->where($where)->order('id desc')
            ->select()->each(function ($item, $key) {
                if ($item['is_product_spec_open_original'] == 0) {
                    $item['product_cover_img'] = $item['product_cover_img_original'];
                    $item['product_stock'] = $item['product_stock_original'];
                    $item['product_price'] = $item['product_price_original'];
                    $item['product_sku_name'] = '';
                } else if ($item['is_product_spec_open_original'] == 1) {
                    $item['product_cover_img'] = $item['product_cover_img_sku'];
                    $item['product_stock'] = $item['product_stock_sku'];
                    $item['product_price'] = $item['product_price_sku'];
                }
                // 释放原始判断用字段
                unset($item['is_product_spec_open_original']);
                unset($item['product_cover_img_original']);
                unset($item['product_stock_original']);
                unset($item['product_price_original']);
                unset($item['product_cover_img_sku']);
                unset($item['product_stock_sku']);
                unset($item['product_price_sku']);
                // 释放关联表字段
                unset($item['mallProduct']);
                unset($item['mallProductSku']);
//                return $item;
            });
    }

    /**
     * 清空购物车已选择商品
     * @param int $user_id 用户ID
     * @date 2022-10-21
     */
    public function deleteChooseCart($user_id)
    {
        $where = [
            ['user_id', '=', $user_id],
            ['is_select', '=', 1],
            ['is_effective', '=', 1],
        ];

        return $this->dataDestory($where);
    }

    /**
     * 更新购物车
     * @date 2021-03-01
     */
    public function updateCart($data)
    {
        $where = [
            ['user_id', '=', $data['user_id']],
            ['product_id', '=', $data['product_id']],
            ['product_sku', '=', $data['product_sku']],
        ];
        $id = $this->getOneData($where, 'id');
        if (!empty($id)) {
            $data['id'] = $id;
            $data['number'] = Db::raw('number+' . $data['number']);
        }

        return $this->dataUpdate($data);
    }



    /**
     * 清空购物车失效商品
     * @date 2021-03-01
     */
    public function deleteInvalidCart()
    {
        $where = [
            ['user_id', '=', $this->userId],
            ['is_effective', '=', 0],
        ];
        return $this->dataDestory($where);
    }


    /**
     * 一对一关联商品表
     * @date 2022-10-13
     */
    public function mallProduct()
    {
        return $this->hasOne('MallProduct', 'id', 'product_id')->removeOption('soft_delete')
            ->bind([
                // 产品名称
                'product_name' => 'name',
                // 产品价钱
                'product_price_original' => 'price',
                // 产品库存
                'product_stock_original' => 'stock',
                // 产品封面图
                'product_cover_img_original' => 'cover_img',
                // 是否开启规格
                'is_product_spec_open_original' => 'is_spec_open',
                'freight_type',
                'freight_id',
                'freight_money',
                'weight',
                // 判断商品是否失效时用
                'product_is_publish' => 'is_publish',
                // 判断商品是否失效时用
                'product_delete_time' => 'delete_time'
            ]);
    }

    /**
     * 一对一关联商品SKU
     * @date 2022-10-13
     */
    public function mallProductSku()
    {
        return $this->hasOne('MallProductSku', 'sku', 'product_sku')->removeOption('soft_delete')
            ->bind([
            'product_price_sku' => 'price',
            'product_stock_sku' => 'stock',
            'product_cover_img_sku' => 'cover_img',
            'product_sku_name' => 'sku_name'
        ]);
    }
}