From 95830077690adbf8c5f5518467420926cf713be9 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 24 Apr 2025 14:36:31 +0400
Subject: [PATCH] Apply auto-translation from French? for test.

---
 Telegram/SourceFiles/data/data_peer.cpp       |  7 +++++++
 Telegram/SourceFiles/data/data_peer.h         |  1 +
 .../SourceFiles/history/history_widget.cpp    |  4 ++++
 .../view/history_view_translate_bar.cpp       |  1 +
 .../view/history_view_translate_tracker.cpp   | 20 ++++++++++++++++---
 5 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/Telegram/SourceFiles/data/data_peer.cpp b/Telegram/SourceFiles/data/data_peer.cpp
index 592fc1edfb..c2c614577c 100644
--- a/Telegram/SourceFiles/data/data_peer.cpp
+++ b/Telegram/SourceFiles/data/data_peer.cpp
@@ -734,6 +734,13 @@ bool PeerData::canExportChatHistory() const {
 	return false;
 }
 
+bool PeerData::autoTranslation() const {
+	if (const auto channel = asChannel()) {
+		return channel->autoTranslation();
+	}
+	return false;
+}
+
 bool PeerData::setAbout(const QString &newAbout) {
 	if (_about == newAbout) {
 		return false;
diff --git a/Telegram/SourceFiles/data/data_peer.h b/Telegram/SourceFiles/data/data_peer.h
index c3f48eb1b6..b0563c42d5 100644
--- a/Telegram/SourceFiles/data/data_peer.h
+++ b/Telegram/SourceFiles/data/data_peer.h
@@ -396,6 +396,7 @@ public:
 	[[nodiscard]] bool canManageGifts() const;
 	[[nodiscard]] bool canTransferGifts() const;
 	[[nodiscard]] bool canExportChatHistory() const;
+	[[nodiscard]] bool autoTranslation() const;
 
 	// Returns true if about text was changed.
 	bool setAbout(const QString &newAbout);
diff --git a/Telegram/SourceFiles/history/history_widget.cpp b/Telegram/SourceFiles/history/history_widget.cpp
index 4d34fd0b86..cef6365d4c 100644
--- a/Telegram/SourceFiles/history/history_widget.cpp
+++ b/Telegram/SourceFiles/history/history_widget.cpp
@@ -7557,6 +7557,10 @@ void HistoryWidget::checkLastPinnedClickedIdReset(
 void HistoryWidget::setupTranslateBar() {
 	Expects(_history != nullptr);
 
+	if (_history->peer->autoTranslation()) {
+		_history->translateTo(Core::App().settings().translateTo());
+	}
+
 	_translateBar = std::make_unique<HistoryView::TranslateBar>(
 		this,
 		controller(),
diff --git a/Telegram/SourceFiles/history/view/history_view_translate_bar.cpp b/Telegram/SourceFiles/history/view/history_view_translate_bar.cpp
index 88db9ee2d6..c658692d33 100644
--- a/Telegram/SourceFiles/history/view/history_view_translate_bar.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_translate_bar.cpp
@@ -372,6 +372,7 @@ void TranslateBar::setup(not_null<History*> history) {
 			const auto&,
 			const auto&) {
 		using Flag = PeerData::TranslationFlag;
+		//const auto autotranslation = history->peer->autoTranslation();
 		return (history->peer->translationFlag() != Flag::Enabled)
 			? rpl::single(QString())
 			: history->translatedTo()
diff --git a/Telegram/SourceFiles/history/view/history_view_translate_tracker.cpp b/Telegram/SourceFiles/history/view/history_view_translate_tracker.cpp
index cc7652f62e..df45d6ca75 100644
--- a/Telegram/SourceFiles/history/view/history_view_translate_tracker.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_translate_tracker.cpp
@@ -12,6 +12,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/application.h"
 #include "core/core_settings.h"
 #include "data/data_changes.h"
+#include "data/data_channel.h"
+#include "data/data_flags.h"
 #include "data/data_peer_values.h" // Data::AmPremiumValue.
 #include "data/data_session.h"
 #include "history/history.h"
@@ -57,10 +59,22 @@ void TranslateTracker::setup() {
 		Core::App().settings().translateChatEnabledValue(),
 		_1 && _2);
 
-	_trackingLanguage.value(
-	) | rpl::start_with_next([=](bool tracking) {
+	const auto channel = peer->asChannel();
+	auto autoTranslationValue = (channel
+		? channel->flagsValue()
+		: rpl::single(Data::Flags<ChannelDataFlags>::Change({}, {}))
+	) | rpl::map([=](Data::Flags<ChannelDataFlags>::Change data) {
+		return (data.value & ChannelDataFlag::AutoTranslation);
+	}) | rpl::distinct_until_changed();
+	rpl::combine(
+		_trackingLanguage.value(),
+		std::move(autoTranslationValue)
+	) | rpl::start_with_next([=](bool tracking, bool autotranslation) {
 		_trackingLifetime.destroy();
-		if (tracking) {
+		if (autotranslation) {
+			_history->translateOfferFrom({ QLocale::French });
+			AssertIsDebug();
+		} else if (tracking) {
 			recognizeCollected();
 			trackSkipLanguages();
 		} else {