<?php

namespace app\controller;

use think\facade\Db;

class Ranking
{
    public function lists()
    {
        $post = $GLOBALS['data']['data'];
        if (empty($post['type'])) {
            return show("请选择传类型");
        }
        $type      = $post['type'];
        $typeArray = [1, 2, 3, 4];
        if (! in_array($type, $typeArray)) {
            return show("不支持当前类型！");
        }
        $where = [];
        //1=未来之星;2=适龄儿童;3=残联儿童;4=全部
        if ($type == 1) {
            $where = "type=1";
        }
        if ($type == 2) {
            $where = "type=2";
        }
        if ($type == 3) {
            $where = "disabled=1";
        }
        if ($type == 4) {
            $where = "";
        }

        $lastIndex = lastindex();
        if ($lastIndex == 0) {
            $lastIndex = 1;
        }
        $result = [];
        $list   = Db::name("student")
            ->where($where)
            ->limit(env("page_count"))
            ->order('hot desc')
            ->paginate([
                "list_rows" => env("PAGE_COUNT"),
                "page"      => $lastIndex
            ]);

        if (empty($list)) {
            return show("获取成功", SUCCESS_CODE, $result);
        }

        $result = StudentToArray($list);

        if ($list->currentPage() < $list->lastPage()) {
            $result['lastIndex'] = $lastIndex + 1;
        } else {
            $result['lastIndex'] = 0;
        }

        return show(SUCCESS_MESSAGE, SUCCESS_CODE, $result);
    }

}