Fixed welcome-channel command (getting channel by Promise.

commands/welcome-channel.js

@@ -13,17 +13,20 @@ exports.run = async (client, message , args, connection) => {
         });
         return;
     };
+
     let channel;
-    await connection.query(`SELECT channel FROM welcome_channel WHERE guild ='${message.guild.id}'`, function (err, result) {
-        if (err) {
-            throw err;
-        };
-        if (result.length > 0) {
-            channel = result[0].channel;
-        } else {
+    const channeldb = await new Promise((resolve, reject) => {
+        connection.query(`SELECT channel FROM welcome_channel WHERE guild ='${message.guild.id}'`, function (err, result) {
+            if (err)
+                reject(err);
+            resolve(result);
+        });
+    });
+    if (channeldb.length < 1) {
         channel = "none";
+    } else {
+        channel = channeldb[0].channel;
     };
-    });
     if (args[0] == "reset") {
         if (channel == "none"){
             message.channel.send(errors.not_existing_on_db).catch(() => {
@@ -51,6 +54,10 @@ exports.run = async (client, message , args, connection) => {
                     throw err;
                 };
             });
+            message.channel.send(`Successful!`).catch(() => {
+                return;
+            });
+            return;
         } else {
             const prefixdb = await new Promise((resolve, reject) => {
                 connection.query(`SELECT prefix FROM prefixes WHERE guild ='${message.guild.id}'`, function (err, result) {