feat(furnieditor): FurniEditorRevertFurnidataEvent — restore last furnidata backup + rebroadcast

Emulator/src/main/java/com/eu/habbo/messages/PacketManager.java

@@ -286,6 +286,7 @@ public class PacketManager {
         this.registerHandler(Incoming.FurniEditorUpdateEvent, FurniEditorUpdateEvent.class);
         this.registerHandler(Incoming.FurniEditorDeleteEvent, FurniEditorDeleteEvent.class);
         this.registerHandler(Incoming.FurniEditorUpdateFurnidataEvent, FurniEditorUpdateFurnidataEvent.class);
+        this.registerHandler(Incoming.FurniEditorRevertFurnidataEvent, FurniEditorRevertFurnidataEvent.class);
 
         // Catalog Admin
         this.registerHandler(Incoming.CatalogAdminSavePageEvent, CatalogAdminSavePageEvent.class);

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorRevertFurnidataEvent.java

@@ -0,0 +1,118 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.items.FurnidataEntry;
+import com.eu.habbo.habbohotel.items.FurnidataLock;
+import com.eu.habbo.habbohotel.items.FurnidataWriter;
+import com.eu.habbo.habbohotel.items.FurnitureTextProvider;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.habbohotel.users.Habbo;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.furniture.FurnitureDataReloadComposer;
+import com.eu.habbo.messages.outgoing.furnieditor.FurniEditorResultComposer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Incoming handler 10048 — admin reverts a furni's furnidata to the last rotating backup.
+ *
+ * Flow: permission check → read item_id → resolve classname → under FurnidataLock:
+ * FurnidataWriter.revertLastBackup → FurnitureTextProvider.reindexFromSource →
+ * broadcast FurnitureDataReloadComposer (10047) → audit log → respond.
+ */
+public class FurniEditorRevertFurnidataEvent extends MessageHandler {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurniEditorRevertFurnidataEvent.class);
+
+    @Override
+    public void handle() throws Exception {
+        Habbo habbo = this.client.getHabbo();
+
+        // 1. Permission check
+        if (!habbo.hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "No permission"));
+            return;
+        }
+
+        // 2. Read packet
+        int itemId = this.packet.readInt();
+
+        if (itemId <= 0) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Invalid item ID"));
+            return;
+        }
+
+        // 3. Resolve classname from item_id (reuse static helper from update handler)
+        String classname = FurniEditorUpdateFurnidataEvent.classnameForItem(itemId);
+        String classnameForLog = (classname != null) ? classname : "?";
+
+        // 4. Verify provider is configured
+        FurnitureTextProvider provider =
+            Emulator.getGameEnvironment().getFurnitureTextProvider();
+
+        if (provider == null || provider.getSource() == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Furnidata source not configured"));
+            return;
+        }
+
+        int adminId = habbo.getHabboInfo().getId();
+
+        // 5. Revert + reindex + broadcast under the shared lock
+        boolean reverted;
+        List<FurnidataEntry> delta;
+
+        FurnidataLock.LOCK.lock();
+        try {
+            FurnidataWriter writer = new FurnidataWriter(
+                provider.getSource(),
+                provider.isSourceDirectory(),
+                provider.getMaxBytes(),
+                3 /* backupKeep */
+            );
+            reverted = writer.revertLastBackup();
+            if (!reverted) {
+                this.client.sendResponse(new FurniEditorResultComposer(false, "No backup found to revert"));
+                return;
+            }
+
+            delta = provider.reindexFromSource();
+
+            if (!delta.isEmpty()) {
+                int deltaCap = Integer.parseInt(
+                    Emulator.getConfig().getValue("items.furnidata.delta.cap", "500"));
+                FurnitureDataReloadComposer composer = (delta.size() > deltaCap)
+                    ? new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_RELOAD_HINT, List.of())
+                    : new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_DELTA, delta);
+                broadcastToAll(composer);
+            }
+        } finally {
+            FurnidataLock.LOCK.unlock();
+        }
+
+        // 6. Audit log (outside lock — DB write, not latency-sensitive)
+        FurnidataAuditLog.record(
+            adminId,
+            classnameForLog,
+            "REVERT_FURNIDATA",
+            "", // previous state unknown at this point
+            "",
+            "",
+            ""
+        );
+
+        // 7. Respond success
+        this.client.sendResponse(new FurniEditorResultComposer(true, "Furnidata reverted", itemId));
+        LOGGER.info("FurniEditorRevertFurnidataEvent: admin {} reverted furnidata for classname '{}' (item {})",
+            adminId, classnameForLog, itemId);
+    }
+
+    private static void broadcastToAll(FurnitureDataReloadComposer composer) {
+        for (Habbo habbo : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().values()) {
+            if (habbo.getClient() != null) {
+                habbo.getClient().sendResponse(composer);
+            }
+        }
+    }
+}