Fixed message event and balance command

commands/add-money.js

-const Discord = require('discord.js');
-const settings = require('../settings.json');
-const db = require('quick.db');
-
-exports.run = async (client, message, args) => {
-if(!settings.author.includes(message.author.id)) return;
-let user = args[0]
-let money = args[1]
-if(!user) return message.channel.send('Who do you want to add');
-if(!money) return message.channel.send('How much money do you want to add');
-
-db.add(`Balance_${user}`, money)
-message.channel.send('Successfully Added')
-
-}
-module.exports.help = {
-    name: 'add-money',
-    aliases: ['addmoney']
-};

commands/balance.js

-const Settings = require('../settings');
-const Discord = require('discord.js');
-const ms = require('parse-ms');
-const db = require('quick.db');
-exports.run = async(client, message, args) => {
+exports.run = async(client, message, args, connection) => {
 
     function numberWithCommas(x) {
         var parts = x.toString().split(".");
         parts[0]=parts[0].replace(/\B(?=(\d{3})+(?!\d))/g,".");
         return parts.join(",");
         }
-
-    let balance = await db.get(`Balance_${message.author.id}`);
-    if(balance === null) {
-        balance = "0"
+        const cash = await new Promise((resolve, reject) => {
+            connection.query(`SELECT cash FROM cashes WHERE guildid ='${message.guild.id}' AND userid ='${message.author.id}'`, function (err, result) {
+                if (err)
+                    reject(err);
+                resolve(result);
+            });
+        });
+        var money = "";
+        if(cash.length < 1) {
+            money = 0;
             }
-    let balances = numberWithCommas(balance);
-    message.channel.send(`You balance is ${balances}$`);
-
+        else {
+            money = cash[0].cash
+        }
+    let balances = numberWithCommas(money);
+    message.channel.send(`Your balance is ${balances}\$`);
 };
 
 module.exports.help = {
     name: 'balance',
-    aliases: ['bakiye','bal','cash']
+    aliases: ['bal','cash']
 };

events/message.js

@@ -3,14 +3,13 @@ module.exports = {
     message: (client, settings, Discord, connection) => {
 
         client.on('message', async message => {
+            let settings = require('../settings.json')
             let guildid = message.guild.id;
             var sql = `SELECT prefix FROM prefixes WHERE guildid ='`+ guildid +`'`;
             var prefix = "";
             connection.query(sql, function (err, result) {
-            if (result.length == 0) prefix = settings.prefix;
-            if (result.length > 0) prefix = result[0].prefix;
-          let settings = require('../settings.json')
-            let prefix = settings.prefix;
+            if (result == null) prefix = settings.prefix;
+            if (result) prefix = result;
             if (message.channel.type === "dm") return;
             let args = message.content.slice(prefix.length).trim().split(' ');
             let cmd = args.shift().toLowerCase();