<?php

namespace app\api\lists\order;


use app\admin\lists\BaseAdminDataLists;
use app\common\lists\ListsSearchInterface;
use app\common\model\order\Cart;
use app\common\model\retail\Cashierclass;
use app\common\lists\ListsExtendInterface;
use app\common\model\goods\Goods;

/**
 * 购物车列表
 * Class RetailOrderList
 * @package app\api\order
 */
class CartList extends BaseAdminDataLists implements ListsSearchInterface, ListsExtendInterface
{

    protected $total_price;


    /**
     * @notes 设置搜索条件
     * @return \string[][]
     * @author likeadmin
     */
    public function setSearch(): array
    {
        return [];
    }


    /**
     * @notes  购物车列表
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @date 2024/04/27 11:26
     */
    public function lists($where = []): array
    {
        $userId = $this->request->userId;
        if (!$userId) return [];
        $list = Cart::where($this->searchWhere)->where('uid', $userId)
            ->limit($this->limitOffset, $this->limitLength)
            ->order(['cart_id' => 'desc'])
            ->select()->each(function ($item) {

                return $item;
            })
            ->toArray();

        $total_price = 0;
        foreach ($list as $key => &$item) {
            $sell = Goods::where('id', $item['goods_id'])->value('sell');
            $item['goods_total_price'] = bcmul($item['cart_num'], $sell, 2);
            $total_price += $item['goods_total_price'];
        }
        $this->total_price=$total_price;
        return $list;
    }


    /**
     * @notes 购物车数量
     * @return int
     * @date 2024/04/27 11:26
     */
    public function count(): int
    {
        return Cart::where($this->searchWhere)->count();
    }

    public function extend()
    {
        return ['total_price'=>$this->total_price];
    }
}