From 2527682d0046c29e5c714797e128dd4845aa9bd8 Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@cavallium.it>
Date: Sun, 6 Mar 2022 13:21:08 +0100
Subject: [PATCH] Add EnableMinithumbnails

---
 .../transformer/EnableMinithumbnails.java     | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 src/main/java/it/tdlight/reactiveapi/transformer/EnableMinithumbnails.java

diff --git a/src/main/java/it/tdlight/reactiveapi/transformer/EnableMinithumbnails.java b/src/main/java/it/tdlight/reactiveapi/transformer/EnableMinithumbnails.java
new file mode 100644
index 0000000..c76b668
--- /dev/null
+++ b/src/main/java/it/tdlight/reactiveapi/transformer/EnableMinithumbnails.java
@@ -0,0 +1,41 @@
+package it.tdlight.reactiveapi.transformer;
+
+import it.tdlight.jni.TdApi;
+import it.tdlight.jni.TdApi.Ok;
+import it.tdlight.jni.TdApi.OptionValueBoolean;
+import it.tdlight.reactiveapi.Event.OnUpdateData;
+import it.tdlight.reactiveapi.ResultingEvent;
+import it.tdlight.reactiveapi.ResultingEvent.ClientBoundResultingEvent;
+import it.tdlight.reactiveapi.ResultingEvent.TDLibBoundResultingEvent;
+import it.tdlight.reactiveapi.ResultingEventTransformer;
+import java.util.ArrayList;
+import java.util.List;
+import reactor.core.publisher.Flux;
+
+public class EnableMinithumbnails implements ResultingEventTransformer {
+
+	@Override
+	public Flux<ResultingEvent> transform(boolean isBot, Flux<ResultingEvent> events) {
+		return events.concatMapIterable(event -> {
+
+			// Append the options if the initial auth state is intercepted
+			if (event instanceof ClientBoundResultingEvent clientBoundResultingEvent
+					&& clientBoundResultingEvent.event() instanceof OnUpdateData onUpdate
+					&& onUpdate.update() instanceof TdApi.UpdateAuthorizationState authorizationState
+					&& authorizationState.authorizationState instanceof TdApi.AuthorizationStateWaitEncryptionKey) {
+
+				var resultingEvent = new ArrayList<ResultingEvent>(2);
+				// Add the intercepted event
+				resultingEvent.add(event);
+				// Enable minithumbnails
+				resultingEvent.add(new TDLibBoundResultingEvent<>(new TdApi.SetOption("disable_minithumbnails",
+						new OptionValueBoolean(false))));
+				return resultingEvent;
+			} else {
+				// Return just the intercepted event as-is
+				return List.of(event);
+			}
+		});
+	}
+
+}