const db = require('../plugin/DataBase/db'); class UserInfoCache { async getUserByUuid(uuid) { const sql = 'SELECT uuid, username, avatar FROM users WHERE uuid = ?'; const [rows] = await db.query(sql, [uuid]); return rows[0] ? rows[0] : null; } async getUuidByName(name) { const sql = 'SELECT uuid, username, avatar FROM users WHERE name = ?'; const [rows] = await db.query(sql, [name]); return rows[0] ? rows[0] : null; } } module.exports = new UserInfoCache();