Update commands/leave-channel.js

commands/leave-channel.js

-const Discord = require('discord.js');
-const db = require('quick.db');
-
-exports.run = async (client, message, args) => {
+exports.run = async (client, message, args, connection) => {
 if(!message.member.hasPermission("ADMINISTRATOR")) return message.channel.send('You need administrator permission to run this command');
 const a = args[0]
 if(!a) return message.channel.send('You need to mention a channel or say `disable`')
+const ch = await new Promise((resolve, reject) => {
+  connection.query(`SELECT channel FROM guildmemberremove WHERE guildid ='${message.guild.id}'`, function (err, result) {
+    if (err)
+        reject(err);
+    resolve(result);
+});
+});
 if(a == "disable") {
-db.delete(`memberremovech_${message.guild.id}`)
-message.channel.send('Disabled!')
-} else {
-let ch = message.mentions.channels.first();
-if(!ch) return message.channel.send('You need to mention a channel')
-db.set(`memberremovech_${message.guild.id}`, ch.id)
-message.channel.send(`Succesfully setted goodbye channel as <#${ch.id}>`)
+  if (ch.length < 1) {
+    message.channel.send('Channel is not setted.');
   }
+  else {
+    message.channel.send('Disabled!')
   }
+  } else {
+let ch2 = message.mentions.channels.first();
+if(!ch2) return message.channel.send('You need to mention a channel')
+if (ch.length < 1){
+  connection.query(`INSERT INTO guildmemberremove (channel, guildid) VALUES (${ch2.id}, ${message.guild.id})`, function (err, result) {
+    if (err) throw err;
+  });
+  message.channel.send('Setted leave channel.')
+} else {
+  connection.query(`DELETE FROM guildmemberremove WHERE guildid ='${message.guild.id}'`, function (err, result) {
+    if (err) throw err;
+  });
+  connection.query(`INSERT INTO guildmemberremove (channel, guildid) VALUES (${ch2.id}, ${message.guild.id})`, function (err, result) {
+    if (err) throw err;
+  });
+message.channel.send('Setted new leave channel.')
+};
+};
+};
 
   module.exports.help = {
     name: 'goodbye-channel',