<?php

namespace app\store\model;

use app\common\model\RefundGoodsStatistics as RefundGoodsStatisticsModel;

/**
 * 退款商品统计模型
 * @package app\store\model
 */
class RefundGoodsStatistics extends RefundGoodsStatisticsModel
{
    /**
     * 获取列表
     * @param $param
     * @return mixed
     */
    public function getList($param = [])
    {
        $model = $this->setQueryFilter($param);
        return $model->alias('r')
            ->field('sum(r.refund_amount) as refund_amount_total,sum(r.refund_num) as refund_num_total,r.goods_id,g.goods_price_min,g.goods_name,g.goods_no')
            ->leftJoin('goods g', 'g.goods_id=r.goods_id')
            ->group('r.goods_id')
            ->order('r.goods_id desc')
            ->paginate(15);
    }

    /**
     * 检索查询条件
     * @param array $param
     * @return \think\db\BaseQuery
     */
    private function setQueryFilter(array $param)
    {
        // 实例化查询对象
        $query = $this->getNewQuery();
        // 查询参数
        $params = $this->setQueryDefaultValue($param, []);

        // 起止时间
        if (!empty($params['betweenTime'])) {
            $times = between_time($params['betweenTime']);
        } else {
            $weekday = date('w')-1;
            $times['start_time'] = strtotime(date('Y-m-d',strtotime("-{$weekday} day"))) ;//当前星期的星期一
            $times['end_time'] = time();
        }

        $filter[] = ["r.start_time", '>=', $times['start_time']];
        $filter[] = ["r.end_time", '<=', $times['end_time']];
        $query->where($filter);
        return $query;
    }

    /**
     * 导出记录
     */
    public function export(array $param)
    {
        $data['header'] = ['商品ID', '商品编码', '退款商品名称', '商品单价(元)','退款件数', '退款金额(元)'];
        $data['filename'] = '退款商品统计导出';
        $data['data'] = [];
        $model = $this->setQueryFilter($param);
        $list = $model->alias('r')
            ->field('sum(r.refund_amount) as refund_amount_total,sum(r.refund_num) as refund_num_total,r.goods_id,g.goods_price_min,g.goods_name,g.goods_no')
            ->leftJoin('goods g', 'g.goods_id=r.goods_id')
            ->group('r.goods_id')
            ->order('r.goods_id desc')
            ->select();
        foreach ($list as $arr){
            $new_list['goods_id'] = $arr['goods_id'];
            $new_list['goods_no'] = $arr['goods_no'];
            $new_list['goods_name'] = $arr['goods_name'];
            $new_list['goods_price_min'] = $arr['goods_price_min'];
            $new_list['refund_num_total'] = $arr['refund_num_total'];
            $new_list['refund_amount_total'] = $arr['refund_amount_total'];
            $data['data'][] = $new_list;
        }

        return $data;
    }
    
}