<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Common;

use App\Models\PriceLogModel;
use App\Services\BaseService;

/**
 * SBT价格记录管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * @package App\Services\Common
 */
class PriceLogService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     */
    public function __construct()
    {
        $this->model = new PriceLogModel();
    }

    /**
     * 静态入口
     * @return static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = (new static());
        }
        return self::$instance;
    }

    /**
     * 获取列表
     * @param $params 参数
     * @param int $pageSize 分页大小：默认 15
     * @return array
     */
    public function getDataList($params, $pageSize = 10, $field = [])
    {
        $query = $this->getQuery($params);
        $list = $query->select($field ? $field : ['a.*'])
            ->orderBy('a.date','desc')
            ->orderBy('a.id','desc')
            ->paginate($pageSize > 0 ? $pageSize : 9999999);
        $list = $list ? $list->toArray() : [];
        if ($list) {
            foreach ($list['data'] as &$item) {
                $item['create_time'] = datetime($item['create_time'],'Y-m-d H:i:s');
            }
        }

        return [
            'pageSize' => $pageSize,
            'total'    => isset($list['total']) ? $list['total'] : 0,
            'list'     => isset($list['data']) ? $list['data'] : []
        ];
    }

    /**
     * 查询构造
     * @param $params
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function getQuery($params)
    {
        $where = ['a.mark' => 1];
        return $this->model->from('price_logs as a')
            ->where($where)
            ->where(function ($query) use($params){
                // 日期
                $date = isset($params['date']) ? $params['date'] : [];
                $start = isset($date[0])? $date[0] : '';
                $end = isset($date[1])? $date[1] : '';
                $end = $start>$end? '' : $end;
                if ($start) {
                    $query->where('a.date','>=', $start);
                }
                if($end){
                    $query->where('a.date','<=', $end);
                }

                $status = isset($params['status'])? $params['status'] : 0;
                if ($status && is_array($status)) {
                    $query->whereIn('a.status', $status);
                } else if($status>0){
                    $query->where('a.status', $status);
                }
            });
    }

}