Fix DiscordCommands

Signed-off-by: Lixfel <git-5w3l@lixfel.de>

src/de/steamwar/velocitycore/discord/listeners/ChannelListener.java

@@ -18,12 +18,12 @@
 
 package de.steamwar.velocitycore.discord.listeners;
 
+import de.steamwar.command.SWCommand;
+import de.steamwar.sql.UserPerm;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.velocitycore.discord.DiscordBot;
 import de.steamwar.velocitycore.discord.channels.DiscordChannel;
 import de.steamwar.velocitycore.discord.channels.InteractionReply;
-import de.steamwar.command.SWCommand;
-import de.steamwar.sql.UserPerm;
 import lombok.Getter;
 import net.dv8tion.jda.api.entities.ChannelType;
 import net.dv8tion.jda.api.entities.MessageChannel;
@@ -32,10 +32,12 @@ import net.dv8tion.jda.api.events.interaction.SlashCommandEvent;
 import net.dv8tion.jda.api.events.message.guild.GuildMessageReceivedEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import net.dv8tion.jda.api.interactions.InteractionType;
+import net.dv8tion.jda.api.interactions.commands.OptionMapping;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 import java.util.logging.Level;
 
 public class ChannelListener extends ListenerAdapter {
@@ -79,7 +81,7 @@ public class ChannelListener extends ListenerAdapter {
             if(permission != null && !sender.user().perms().contains(permission))
                 return;
 
-            command.execute(sender, event.getOption(DiscordBot.ARGUMENT_NAME).getAsString().split(" "));
+            command.execute(sender, Optional.ofNullable(event.getOption(DiscordBot.ARGUMENT_NAME)).map(OptionMapping::getAsString).orElse("").split(" "));
         });
     }
 }