<?php

namespace app\common\dao\profit;

use app\common\dao\BaseDao;
use app\common\model\profit\ProductPvModel;

class ProductPvDao extends BaseDao
{
    protected function getModel(): string
    {
        return ProductPvModel::class;
    }

    /**
     * @param $productId
     * @return mixed
     * 获取商品业绩
     */
    public function getData($productId = 0)
    {
        $where = [];
        if($productId != 0) {
            $where['product_id'] = $productId;
        }

        return $this->getModel()::getDB()->where($where)->column('pv','product_id');
    }
}