Trigger change event for party create/disband (#4620)

src/main/java/com/gmail/nossr50/commands/party/PartyDisbandCommand.java

@@ -1,6 +1,7 @@
 package com.gmail.nossr50.commands.party;
 
 import com.gmail.nossr50.datatypes.party.Party;
+import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.events.party.McMMOPartyChangeEvent.EventReason;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.party.PartyManager;
@@ -15,13 +16,14 @@ public class PartyDisbandCommand implements CommandExecutor {
     @Override
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, String[] args) {
         if (args.length == 1) {
-            if (UserManager.getPlayer((Player) sender) == null) {
+            final McMMOPlayer mcMMOPlayer = UserManager.getPlayer((Player) sender);
+            if (mcMMOPlayer == null) {
                 sender.sendMessage(LocaleLoader.getString("Profile.PendingLoad"));
                 return true;
             }
 
-            Party playerParty = UserManager.getPlayer((Player) sender).getParty();
-            String partyName = playerParty.getName();
+            final Party playerParty = mcMMOPlayer.getParty();
+            final String partyName = playerParty.getName();
 
             for (Player member : playerParty.getOnlineMembers()) {
                 if (!PartyManager.handlePartyChangeEvent(member, partyName, null, EventReason.KICKED_FROM_PARTY)) {
@@ -31,7 +33,7 @@ public class PartyDisbandCommand implements CommandExecutor {
                 member.sendMessage(LocaleLoader.getString("Party.Disband"));
             }
 
-            PartyManager.disbandParty(playerParty);
+            PartyManager.disbandParty(mcMMOPlayer, playerParty);
             return true;
         }
         sender.sendMessage(LocaleLoader.getString("Commands.Usage.1", "party", "disband"));

src/main/java/com/gmail/nossr50/events/party/McMMOPartyChangeEvent.java

@@ -53,6 +53,16 @@ public class McMMOPartyChangeEvent extends PlayerEvent implements Cancellable {
      * A list of reasons why the event may have been fired
      */
     public enum EventReason {
+        /**
+         * Created a party.
+         */
+        CREATED_PARTY,
+
+        /**
+         * Disbanded a party.
+         */
+        DISBANDED_PARTY,
+
         /**
          * Joined a party for the first time.
          */

src/main/java/com/gmail/nossr50/party/PartyManager.java

@@ -347,10 +347,20 @@ public final class PartyManager {
      * Disband a party. Kicks out all members and removes the party.
      *
      * @param party The party to remove
+     * @deprecated Use {@link #disbandParty(McMMOPlayer, Party)}
      */
     public static void disbandParty(Party party) {
+        disbandParty(null, party);
+    }
+
+    /**
+     * Disband a party. Kicks out all members and removes the party.
+     *
+     * @param party The party to remove
+     */
+    public static void disbandParty(McMMOPlayer mcMMOPlayer, Party party) {
         //TODO: Potential issues with unloaded profile?
-        for (Player member : party.getOnlineMembers()) {
+        for (final Player member : party.getOnlineMembers()) {
             //Profile not loaded
             if(UserManager.getPlayer(member) == null)
             {
@@ -366,6 +376,9 @@ public final class PartyManager {
         }
 
         parties.remove(party);
+        if (mcMMOPlayer != null) {
+            handlePartyChangeEvent(mcMMOPlayer.getPlayer(), party.getName(), null, EventReason.DISBANDED_PARTY);
+        }
     }
 
     /**
@@ -388,6 +401,7 @@ public final class PartyManager {
 
         player.sendMessage(LocaleLoader.getString("Commands.Party.Create", party.getName()));
         addToParty(mcMMOPlayer, party);
+        handlePartyChangeEvent(player, null, partyName, EventReason.CREATED_PARTY);
     }
 
     /**