bjhedasx/app/mall/model/MallProduct.php

<?php

namespace app\mall\model;

use think\model\concern\SoftDelete;

class MallProduct extends Base
{
    use SoftDelete;

    protected $type = [
        'img_path' => 'serialize',
        'label' => 'serialize',
    ];


    /**
     * 获取商品列表
     * @param array $where 查询条件
     * @param array $where_product_category 关联表查询条件
     * @param int $page 第X页
     * @param string $field
     * @param string $order 排序
     * @date 2022-10-27
     */
    public function listProductWithPage($where, $where_product_category, $page, $field = '*', $order = '')
    {
        // 未定义排序时 按创建时间倒序排序
        if (empty($order)) {
            $order = 'publish_time desc,id desc';
        }

        $data_list = $this
            ->hasWhere('mallProductCategory', $where_product_category, $field)
            ->with(['mallLabel'])
            ->where($where)->order($order)
            ->paginate(['list_rows' => 10, 'page' => $page], false)->each(function ($item) {
                foreach ($item->mallLabel as $k=>$v){
                    // 删除无用数据
                    unset($item->mallLabel[$k]['uid']);
                    unset($item->mallLabel[$k]['create_time']);
                    unset($item->mallLabel[$k]['update_time']);
                    unset($item->mallLabel[$k]['delete_time']);
                    unset($item->mallLabel[$k]['pivot']);
                }
            });

        return $data_list;
    }

    /**
     * API-获取商品详情
     * @date 2021-03-01
     */
    public function getOneProduct($where = [], $field = '*')
    {
        $order = 'id desc';

        $array = explode(',', $field);
        if ($field != '*') {
            if (count($array) <= 1) {
                return $this->with(['mallAttach', 'mallProductSku'])->where($where)->order($order)->value($field);
            } else {
                $data = $this->with(['mallAttach', 'mallProductSku'])->field($field)->where($where)->order($order)->find();
                if(!empty($data->mallAttach)){
                    foreach ($data->mallAttach as $k=>$v){
                        unset($data->mallAttach[$k]['uid']);
                        unset($data->mallAttach[$k]['sort']);
                        unset($data->mallAttach[$k]['pivot']);
                        unset($data->mallAttach[$k]['create_time']);
                        unset($data->mallAttach[$k]['update_time']);
                        unset($data->mallAttach[$k]['delete_time']);
                    }
                }
                return $data;
            }
        } else {
            return $this->with(['mallAttach', 'mallProductSku'])->where($where)->order($order)->find();
        }
    }

    /**
     * API-获取秒杀商品详情
     * @date 2021-03-01
     */
    public function getOneSpikeProduct($where = [], $field = '*', $order = '')
    {
        $primary_key_name = $this->getPk();

        if (empty($order)) {
            $order = (empty($data[$primary_key_name]) ? 'id' : $data[$primary_key_name]) . ' desc';
        }

        $array = explode(',', $field);
        if ($field != '*') {
            if (count($array) <= 1) {
                return $this->with(['mallAttach', 'mallSpikeProductSku'])->where($where)->order($order)->value($field);
            } else {
                return $this->with(['mallAttach', 'mallSpikeProductSku'])->field($field)->where($where)->order($order)->find();
            }
        } else {
            return $this->with(['mallAttach', 'mallSpikeProductSku'])->where($where)->order($order)->find();
        }
    }

    /**
     * 获取订单格式的产品数据
     * @date 2021-03-01
     */
    public function getOrderData($product_id, $sku, $number = 1)
    {
        return $this->with(['mallAttach', 'mallProductSku'])->where($where)->order($order)->value($field);
    }

    /**
     * 多对多关联 标签
     * @date 2022-10-27
     */
    public function mallLabel()
    {
        // 参数依次为：关联模型、 中间表、 关联模型在中间表的外键、 主模型在中间表的外键
        return $this->belongsToMany('MallLabel', 'MallProductLabel',  'label_id', 'product_id');
    }

    /**
     * 多对多关联 服务保障
     * @date 2022-10-27
     */
    public function mallAttach()
    {
        // 参数依次为：关联模型、 中间表、 关联模型在中间表的外键、 主模型在中间表的外键
        return $this->belongsToMany('MallAttach', 'MallProductAttach', 'attach_id', 'product_id');
    }

    /**
     * API-一对多关联分类
     * @date 2021-03-01
     */
    public function mallProductCategory()
    {
        // 参数依次为：关联模型、 关联模型的外键、 主模型在中间表的外键
        return $this->hasMany('MallProductCategory', 'product_id', 'id')->field('category_id,product_id');
    }

    /**
     * API-一对多关联SKU
     * @date 2021-03-01
     */
    public function mallProductSku()
    {
        return $this->hasMany('MallProductSku', 'product_id', 'id')->field('product_id,sku,price,stock,cover_img');
    }


    /**
     * 后台异步加载列表
     * @param array $where 筛选条件s
     * @param array $search 底部分页条件
     * @param string $field 筛选字段
     * @param string $order 排序方式
     * @param int $per_page_number
     * @return \think\Paginator
     * @throws \think\db\exception\DbException
     */
    public function getMemberList($where, $search, $field = "*", $order = '', $per_page_number = 15)
    {

        if (empty($order)) {
            if ($this->getPk() != null) {
                $order = $this->getPk() . ' desc';
            } else {
                $order = 'id desc';
            }
        }
        $isset_category_id = isset($where['category_id']);
        $exit_category_id = $this->uidExit($where, 'category_id');
        if ($isset_category_id || ($exit_category_id !== true && $exit_category_id !== false)) {
            if ($isset_category_id) {
                $category_id = $where['category_id'];
                unset($where['category_id']);
            } elseif ($exit_category_id !== true && $exit_category_id !== false) {
                $category_id = $where[$exit_category_id][2];
                unset($where[$exit_category_id]);
            } else {
                $category_id = '';
            }
            return $this::hasWhere('mallProductCategory', ['category_id' => $category_id])->where($where)->field($field)->order($order)
                ->paginate(['page' => array_key_exists("page", $search) ? $search['page'] : 1, 'list_rows' => $per_page_number, 'query' => $search], false);
        } else {
            return $this->with('mallProductCategory')->where($where)->field($field)->order($order)
                ->paginate(['page' => array_key_exists("page", $search) ? $search['page'] : 1, 'list_rows' => $per_page_number, 'query' => $search], false);
        }

    }

    /**
     * 遍历查询条件中是否有$field字段 默认为uid
     * @param $where
     * @param $field
     * @return bool
     */
    public function uidExit($where, $field = 'uid')
    {
        foreach ($where as $key => $value) {
            if (is_numeric($key)) {
                return true;
            }
            if (!is_array($value)) {
                return true;
            }
            if (in_array($field, $value, true)) {
                return $key;
            }
        }
        return false;
    }

}