feat: open channel in discussion group

Telegram/SourceFiles/ayu/ui/context_menu/context_menu.cpp

@@ -149,6 +149,27 @@ void AddJumpToBeginningAction(PeerData *peerData,
 		&st::ayuMenuIconToBeginning);
 }
 
+void AddOpenChannelAction(PeerData *peerData,
+						  not_null<Window::SessionController*> sessionController,
+						  const Window::PeerMenuCallback &addCallback) {
+	if (!peerData || !peerData->isMegagroup()) {
+		return;
+	}
+
+	const auto chat = peerData->asMegagroup()->linkedChat();
+	if (!chat) {
+		return;
+	}
+
+	addCallback(
+		tr::lng_context_open_channel(tr::now),
+		[=]
+		{
+			sessionController->showPeerHistory(chat, Window::SectionShow::Way::Forward);
+		},
+		&st::menuIconChannel);
+}
+
 void AddHistoryAction(not_null<Ui::PopupMenu*> menu, HistoryItem *item) {
 	if (AyuMessages::hasRevisions(item)) {
 		menu->addAction(

Telegram/SourceFiles/ayu/ui/context_menu/context_menu.h

@@ -25,6 +25,10 @@ void AddJumpToBeginningAction(PeerData *peerData,
 							  not_null<Window::SessionController*> sessionController,
 							  const Window::PeerMenuCallback &addCallback);
 
+void AddOpenChannelAction(PeerData *peerData,
+							  not_null<Window::SessionController*> sessionController,
+							  const Window::PeerMenuCallback &addCallback);
+
 void AddHistoryAction(not_null<Ui::PopupMenu*> menu, HistoryItem *item);
 void AddHideMessageAction(not_null<Ui::PopupMenu*> menu, HistoryItem *item);
 void AddUserMessagesAction(not_null<Ui::PopupMenu*> menu, HistoryItem *item);

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -1444,6 +1444,7 @@ void Filler::fillHistoryActions() {
 	addToggleMuteSubmenu(true);
 	addInfo();
 	AyuUi::AddJumpToBeginningAction(_peer, _thread, _controller, _addAction);
+	AyuUi::AddOpenChannelAction(_peer, _controller, _addAction);
 	addViewAsTopics();
 	addManageChat();
 	addStoryArchive();
@@ -1476,6 +1477,7 @@ void Filler::fillProfileActions() {
 	addTopicLink();
 	addManageTopic();
 	addToggleTopicClosed();
+	AyuUi::AddOpenChannelAction(_peer, _controller, _addAction);
 	addViewDiscussion();
 	addExportChat();
 	addToggleFolder();