Added party disband command and a way to remove all users from a party

velocity/src/main/java/com/alttd/velocitychat/commands/PartyCommand.java

@@ -21,6 +21,7 @@ public class PartyCommand implements SimpleCommand {
         subCommands = Arrays.asList(
                 new Help(this),
                 new Create(),
+                new Disband(),
                 new Info(),
                 new Invite(),
                 new Join(),

velocity/src/main/java/com/alttd/velocitychat/commands/partysubcommands/Disband.java

@@ -0,0 +1,68 @@
+package com.alttd.velocitychat.commands.partysubcommands;
+
+import com.alttd.chat.config.Config;
+import com.alttd.chat.managers.PartyManager;
+import com.alttd.chat.objects.Party;
+import com.alttd.chat.util.Utility;
+import com.alttd.velocitychat.VelocityChat;
+import com.alttd.velocitychat.commands.SubCommand;
+import com.velocitypowered.api.command.CommandSource;
+import com.velocitypowered.api.proxy.Player;
+import net.kyori.adventure.text.minimessage.Template;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Disband implements SubCommand {
+    @Override
+    public String getName() {
+        return "disband";
+    }
+
+    @Override
+    public void execute(String[] args, CommandSource source) {
+        if (!(source instanceof Player player)) {
+            source.sendMessage(Utility.parseMiniMessage(Config.NO_CONSOLE));
+            return;
+        }
+        if (args.length != 1 && args.length != 3) {
+            source.sendMessage(Utility.parseMiniMessage(getHelpMessage()));
+            return;
+        }
+        Party party = PartyManager.getParty(player.getUniqueId());
+        if (party == null) {
+            source.sendMessage(Utility.parseMiniMessage(Config.NOT_IN_A_PARTY));
+            return;
+        }
+        if (!party.getOwnerUuid().equals(player.getUniqueId())) {
+            source.sendMessage(Utility.parseMiniMessage(Config.NOT_YOUR_PARTY));
+            return;
+        }
+        if (args.length == 1) {
+            source.sendMessage(Utility.parseMiniMessage(Config.DISBAND_PARTY_CONFIRM, List.of(
+                    Template.template("party", party.getPartyName())
+            )));
+            return;
+        }
+        if (!args[1].equalsIgnoreCase("confirm") || !args[2].equals(party.getPartyName())) {
+            source.sendMessage(Utility.parseMiniMessage(getHelpMessage()));
+            return;
+        }
+        VelocityChat.getPlugin().getChatHandler().sendPartyMessage(party,
+                Utility.parseMiniMessage(Config.DISBANDED_PARTY, List.of(
+                        Template.template("owner", player.getUsername()),
+                        Template.template("party", party.getPartyName())
+                )), null);
+        party.delete();
+    }
+
+    @Override
+    public List<String> suggest(String[] args, CommandSource source) {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.PARTY_HELP_DISBAND;
+    }
+}