Add logging to sync events

CHANGELOG.md

@@ -1,3 +1 @@
-Update fork
-Add config flag SYNCHRONIZATION_DELAY_METHOD
-Potential change of the event order to synchronize achievements before the inventory (this has never been a problem before, but still)
+Add logging to the inv sync events that occur on loading or saving the inventory

src/main/java/de/michiruf/invsync/event/InvSyncEvents.java

@@ -1,26 +1,38 @@
 package de.michiruf.invsync.event;
 
+import de.michiruf.invsync.Logger;
 import de.michiruf.invsync.data.entity.PlayerData;
 import net.fabricmc.fabric.api.event.Event;
 import net.fabricmc.fabric.api.event.EventFactory;
 import net.minecraft.server.network.ServerPlayerEntity;
+import org.apache.logging.log4j.Level;
 
 public class InvSyncEvents {
 
     public static final Event<PlayerDataHandler> FETCH_PLAYER_DATA = EventFactory.createArrayBacked(PlayerDataHandler.class, callbacks -> (player, playerData) -> {
         for (var callback : callbacks)
             if (playerData != null)
-                callback.handle(player, playerData);
+                try {
+                    callback.handle(player, playerData);
+                } catch (Exception e) {
+                    Logger.logException(Level.ERROR, e);
+                }
+            else
+                Logger.log(Level.WARN, "PlayerData is null");
     });
 
     public static final Event<PlayerDataHandler> SAVE_PLAYER_DATA = EventFactory.createArrayBacked(PlayerDataHandler.class, callbacks -> (player, playerData) -> {
         for (var callback : callbacks)
-            callback.handle(player, playerData);
+            try {
+                callback.handle(player, playerData);
+            } catch (Exception e) {
+                Logger.logException(Level.ERROR, e);
+            }
     });
 
     @FunctionalInterface
     public interface PlayerDataHandler {
 
-        void handle(ServerPlayerEntity player, PlayerData playerData);
+        void handle(ServerPlayerEntity player, PlayerData playerData) throws Exception;
     }
 }