Merge tag 'v5.12.3' into dev

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -49,6 +49,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_chat_filters.h"
 #include "data/data_replies_list.h"
 #include "data/data_peer_values.h"
+#include "data/data_premium_limits.h"
 #include "data/data_web_page.h"
 #include "passport/passport_form_controller.h"
 #include "chat_helpers/tabbed_selector.h"
@@ -3252,4 +3253,34 @@ SessionController::~SessionController() {
 	resetFakeUnreadWhileOpened();
 }
 
+bool CheckAndJumpToNearChatsFilter(
+		not_null<SessionController*> controller,
+		bool isNext,
+		bool jump) {
+	const auto id = controller->activeChatsFilterCurrent();
+	const auto session = &controller->session();
+	const auto list = &session->data().chatsFilters().list();
+	const auto index = int(ranges::find(
+		*list,
+		id,
+		&Data::ChatFilter::id
+	) - begin(*list));
+	if (index == list->size() && id != 0) {
+		return false;
+	}
+	const auto changed = index + (isNext ? 1 : -1);
+	if (changed >= int(list->size()) || changed < 0) {
+		return false;
+	}
+	if (changed > Data::PremiumLimits(session).dialogFiltersCurrent()) {
+		return false;
+	}
+	if (jump) {
+		controller->setActiveChatsFilter((changed >= 0)
+			? (*list)[changed].id()
+			: 0);
+	}
+	return true;
+}
+
 } // namespace Window