Add Check if user is Banned in Unban Command

src/de/steamwar/bungeecore/commands/UnbanCommand.java

@@ -22,7 +22,6 @@ package de.steamwar.bungeecore.commands;
 import de.steamwar.bungeecore.BungeeCore;
 import de.steamwar.bungeecore.sql.SteamwarUser;
 import net.md_5.bungee.api.CommandSender;
-import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 import java.sql.Timestamp;
 import java.util.Date;
@@ -44,6 +43,11 @@ public class UnbanCommand extends BasicCommand {
         if(target == null)
             return;
 
+        if(!target.isBanned()) {
+            BungeeCore.send(sender, BungeeCore.CHAT_PREFIX + "Der Spieler ist nicht gebannt.");
+            return;
+        }
+
         BungeeCore.send(sender, BungeeCore.CHAT_PREFIX + "Du hast " + target.getUserName() + " entbannt.");
         target.ban(Timestamp.from(new Date().toInstant()), "Unban", SteamwarUser.get(sender.getName()).getId(), false);
     }