discord_bot/util/timer/showTimer.js

const sqlite3 = require('sqlite3').verbose();
module.exports = async function (authorID, timerID) {
    const databasePath = `data/database.db`;
    const db = new sqlite3.Database(databasePath);
    let sendText = "";
    await new Promise((resolve, reject) => {
        db.get(`SELECT * FROM timers WHERE ID = ? AND user = ?`, [timerID, authorID],
        function (error, timer){
            if(error){
                sendText = "An error occured while trying to read timer from database. Check console.";
                console.error("Error while trying to read timer from database: ", error)
                reject(error);
            }else{
                if(timer === undefined){
                    sendText = "Timer not found";
                }else{
                    sendText = `${timer.ID} will remind you <t:${timer.reminderDate.toFixed(0)}:R> (<t:${timer.reminderDate.toFixed(0)}:f>)"`;
                }
                resolve();
            }
        })
    })
    db.close();
    return sendText;
}