<?php

namespace app\common\logic;

use think\facade\Config;

class DataLogic
{

    public static $page = 1;
    private static $limit = 15;

    public static function page_limit($isPage = true, $isRelieve = true)
    {
        $page = $limit = 0;
        if ($isPage) {
            $page = app()->request->param(Config::get('database.page.pageKey', 'page') . '/d', 0);
            $limit = app()->request->param(Config::get('database.page.limitKey', 'limit') . '/d', 0);
        }
        $limitMax = Config::get('database.page.limitMax');
        $defaultLimit = Config::get('database.page.defaultLimit', 10);
        if ($limit > $limitMax && $isRelieve) {
            $limit = $limitMax;
        }
        return [(int)$page, (int)$limit, (int)$defaultLimit];
    }

    public static function getDataList($query, array $where, $order, $field, $append, $all = 0)
    {
        $total = $query->where($where)->count();
        [self::$page, self::$limit] = self::page_limit();
        if ($all) {
            $list = $query->where($where)
                ->field($field)->order($order)
                ->select()
                ->append($append)
                ->toArray();
        } else {
            $list = $query->where($where)
                ->field($field)->order($order)
                ->limit(self::$limit)->page(self::$page)
                ->select()
                ->append($append)
                ->toArray();
        }
        return ['total' => $total, 'list' => $list];
    }

}