const pool = require('../db');

async function get_descend_Ranking(req, res) {
    try {
        const connection = await pool.getConnection();
        const [ranking] = await connection.query('SELECT student_name, student_id, score FROM students ORDER BY score DESC');
        connection.release();
        res.json(ranking);
    } catch (error) {
        res.status(500).send({ error: '无法获取排名' });
    }
}

async function get_ascend_Ranking(req, res) {
    try {
        const connection = await pool.getConnection();
        const [ranking] = await connection.query('SELECT student_name, student_id, score FROM students ORDER BY score ASC');
        connection.release();
        res.json(ranking);
    } catch (error) {
        res.status(500).send({ error: '无法获取排名' });
    }
}

module.exports = { get_ascend_Ranking, get_descend_Ranking };