From 87c6673375cf02100a2651946c847083068b3cb4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20Kr=C3=BChlmann?= <andreas@kruhlmann.dev>
Date: Mon, 29 Dec 2025 13:57:40 +0100
Subject: [PATCH] Shrink patch size

---
 .../java/dev/kruhlmann/imgfloat/model/AssetEvent.java |  3 +++
 .../java/dev/kruhlmann/imgfloat/model/AssetPatch.java |  3 +++
 .../imgfloat/service/ChannelDirectoryService.java     | 11 +++++++++--
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/main/java/dev/kruhlmann/imgfloat/model/AssetEvent.java b/src/main/java/dev/kruhlmann/imgfloat/model/AssetEvent.java
index fbbbeab..a91b29f 100644
--- a/src/main/java/dev/kruhlmann/imgfloat/model/AssetEvent.java
+++ b/src/main/java/dev/kruhlmann/imgfloat/model/AssetEvent.java
@@ -1,5 +1,8 @@
 package dev.kruhlmann.imgfloat.model;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public class AssetEvent {
     public enum Type {
         CREATED,
diff --git a/src/main/java/dev/kruhlmann/imgfloat/model/AssetPatch.java b/src/main/java/dev/kruhlmann/imgfloat/model/AssetPatch.java
index 7b41d08..f97f04a 100644
--- a/src/main/java/dev/kruhlmann/imgfloat/model/AssetPatch.java
+++ b/src/main/java/dev/kruhlmann/imgfloat/model/AssetPatch.java
@@ -1,9 +1,12 @@
 package dev.kruhlmann.imgfloat.model;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+
 /**
  * Represents a partial update for an {@link Asset}. Only the fields that changed
  * for a given operation are populated to reduce payload sizes sent over WebSocket.
  */
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public record AssetPatch(
         String id,
         Double x,
diff --git a/src/main/java/dev/kruhlmann/imgfloat/service/ChannelDirectoryService.java b/src/main/java/dev/kruhlmann/imgfloat/service/ChannelDirectoryService.java
index 4a0aea2..d5f811f 100644
--- a/src/main/java/dev/kruhlmann/imgfloat/service/ChannelDirectoryService.java
+++ b/src/main/java/dev/kruhlmann/imgfloat/service/ChannelDirectoryService.java
@@ -290,11 +290,18 @@ public class ChannelDirectoryService {
         return assetRepository.findById(assetId)
                 .filter(a -> normalized.equals(a.getBroadcaster()))
                 .map(asset -> {
-                    asset.setHidden(request.isHidden());
+                    boolean wasHidden = asset.isHidden();
+                    boolean hidden = request.isHidden();
+                    if (wasHidden == hidden) {
+                        return AssetView.from(normalized, asset);
+                    }
+
+                    asset.setHidden(hidden);
                     assetRepository.save(asset);
                     AssetView view = AssetView.from(normalized, asset);
                     AssetPatch patch = AssetPatch.fromVisibility(asset);
-                    messagingTemplate.convertAndSend(topicFor(broadcaster), AssetEvent.visibility(broadcaster, patch, view));
+                    AssetView payload = hidden ? null : view;
+                    messagingTemplate.convertAndSend(topicFor(broadcaster), AssetEvent.visibility(broadcaster, patch, payload));
                     return view;
                 });
     }