Check premium for todo lists actions.

Telegram/Resources/langs/lang.strings

@@ -2636,6 +2636,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_premium_summary_about_effects" = "Add over 500 animated effects to private messages.";
 "lng_premium_summary_subtitle_filter_tags" = "Tag Your Chats";
 "lng_premium_summary_about_filter_tags" = "Display folder names for each chat in the chat list.";
+"lng_premium_summary_subtitle_todo_lists" = "To-Do Lists";
+"lng_premium_summary_about_todo_lists" = "Create To-Do Lists, I guess..";
 "lng_premium_summary_bottom_subtitle" = "About Telegram Premium";
 "lng_premium_summary_bottom_about" = "While the free version of Telegram already gives its users more than any other messaging application, **Telegram Premium** pushes its capabilities even further.\n\n**Telegram Premium** is a paid option, because most Premium Features require additional expenses from Telegram to third parties such as data center providers and server manufacturers. Contributions from **Telegram Premium** users allow us to cover such costs and also help Telegram stay free for everyone.";
 "lng_premium_summary_button" = "Subscribe for {cost} per month";
@@ -5860,6 +5862,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_todo_completed#one" = "{count} of {total} completed";
 "lng_todo_completed#other" = "{count} of {total} completed";
 "lng_todo_completed_none" = "None of {total} completed";
+"lng_todo_menu_item" = "To-Do List";
 "lng_todo_create" = "Create To-Do List";
 "lng_todo_create_title" = "New To-Do List";
 "lng_todo_create_title_placeholder" = "Title";
@@ -5875,6 +5878,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_todo_choose_title" = "Please enter a title.";
 "lng_todo_choose_tasks" = "Please enter at least one task.";
 
+"lng_todo_add_title" = "Add Tasks";
+"lng_todo_create_premium" = "Only subscribers of {link} can create To-Do Lists.";
+"lng_todo_add_premium" = "Only subscribers of {link} can add tasks.";
+"lng_todo_mark_premium" = "Only subscribers of {link} can mark tasks as done.";
+"lng_todo_premium_link" = "Telegram Premium";
+"lng_todo_mark_restricted" = "{user} has restricted others from marking tasks as done.";
+
 "lng_outdated_title" = "PLEASE UPDATE YOUR OPERATING SYSTEM.";
 "lng_outdated_title_bits" = "PLEASE SWITCH TO A 64-BIT OPERATING SYSTEM.";
 "lng_outdated_soon" = "Otherwise, Telegram Desktop will stop updating on {date}.";

Telegram/SourceFiles/boxes/premium_preview_box.cpp

@@ -133,6 +133,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_subtitle_business();
 	case PremiumFeature::Effects:
 		return tr::lng_premium_summary_subtitle_effects();
+	case PremiumFeature::TodoLists:
+		return tr::lng_premium_summary_subtitle_todo_lists();
 
 	case PremiumFeature::BusinessLocation:
 		return tr::lng_business_subtitle_location();
@@ -198,6 +200,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_about_business();
 	case PremiumFeature::Effects:
 		return tr::lng_premium_summary_about_effects();
+	case PremiumFeature::TodoLists:
+		return tr::lng_premium_summary_about_todo_lists();
 
 	case PremiumFeature::BusinessLocation:
 		return tr::lng_business_about_location();
@@ -538,6 +542,7 @@ struct VideoPreviewDocument {
 		case PremiumFeature::LastSeen: return "last_seen";
 		case PremiumFeature::MessagePrivacy: return "message_privacy";
 		case PremiumFeature::Effects: return "effects";
+		case PremiumFeature::TodoLists: return "todo_lists"; AssertIsDebug()
 
 		case PremiumFeature::BusinessLocation: return "business_location";
 		case PremiumFeature::BusinessHours: return "business_hours";

Telegram/SourceFiles/boxes/premium_preview_box.h

@@ -72,6 +72,7 @@ enum class PremiumFeature {
 	Business,
 	Effects,
 	FilterTags,
+	TodoLists,
 
 	// Business features.
 	BusinessLocation,

Telegram/SourceFiles/data/data_media_types.cpp

@@ -2332,7 +2332,10 @@ MediaTodoList::~MediaTodoList() {
 }
 
 std::unique_ptr<Media> MediaTodoList::clone(not_null<HistoryItem*> parent) {
-	return std::make_unique<MediaTodoList>(parent, _todolist);
+	const auto id = parent->fullId();
+	return std::make_unique<MediaTodoList>(
+		parent,
+		parent->history()->owner().duplicateTodoList(id, _todolist));
 }
 
 TodoListData *MediaTodoList::todolist() const {

Telegram/SourceFiles/data/data_session.cpp

@@ -4142,6 +4142,19 @@ not_null<TodoListData*> Session::processTodoList(
 	return result;
 }
 
+not_null<TodoListData*> Session::duplicateTodoList(
+		TodoListId id,
+		not_null<TodoListData*> existing) {
+	const auto result = todoList(id);
+	result->title = existing->title;
+	result->items = existing->items;
+	for (auto &item : result->items) {
+		item.completedBy = nullptr;
+		item.completionDate = TimeId();
+	}
+	return result;
+}
+
 void Session::checkPollsClosings() {
 	const auto now = base::unixtime::now();
 	auto closest = 0;

Telegram/SourceFiles/data/data_session.h

@@ -698,6 +698,9 @@ public:
 	not_null<TodoListData*> processTodoList(
 		TodoListId id,
 		const MTPDmessageMediaToDo &data);
+	[[nodiscard]] not_null<TodoListData*> duplicateTodoList(
+		TodoListId id,
+		not_null<TodoListData*> existing);
 
 	[[nodiscard]] not_null<CloudImage*> location(
 		const LocationPoint &point);

Telegram/SourceFiles/history/view/media/history_view_todo_list.cpp

@@ -8,6 +8,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/media/history_view_todo_list.h"
 
 #include "base/unixtime.h"
+#include "core/application.h"
+#include "core/click_handler_types.h"
 #include "core/ui_integration.h" // TextContext
 #include "lang/lang_keys.h"
 #include "history/history.h"
@@ -35,6 +37,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "apiwrap.h"
 #include "api/api_todo_lists.h"
+#include "window/window_peer_menu.h"
 #include "styles/style_chat.h"
 #include "styles/style_widgets.h"
 #include "styles/style_window.h"
@@ -324,6 +327,18 @@ void TodoList::startToggleAnimation(Task &task) {
 }
 
 void TodoList::toggleCompletion(int id) {
+	if (!canComplete()) {
+		_parent->delegate()->elementShowTooltip(
+			tr::lng_todo_mark_restricted(
+				tr::now,
+				lt_user,
+				Ui::Text::Bold(_parent->data()->from()->shortName()),
+				Ui::Text::RichLangValue), [] {});
+		return;
+	} else if (!_parent->history()->session().premium()) {
+		Window::PeerMenuTodoWantsPremium(Window::TodoWantsPremium::Mark);
+		return;
+	}
 	const auto i = ranges::find(
 		_tasks,
 		id,
@@ -477,7 +492,11 @@ int TodoList::paintTask(
 		p.setOpacity(1.);
 	}
 
-	paintRadio(p, task, left, top, context);
+	if (canComplete()) {
+		paintRadio(p, task, left, top, context);
+	} else {
+		paintStatus(p, task, left, top, context);
+	}
 
 	top += st::historyPollAnswerPadding.top();
 	p.setPen(stm->historyTextFg);
@@ -584,6 +603,39 @@ void TodoList::paintRadio(
 	p.setOpacity(o);
 }
 
+void TodoList::paintStatus(
+		Painter &p,
+		const Task &task,
+		int left,
+		int top,
+		const PaintContext &context) const {
+	top += st::historyPollAnswerPadding.top();
+
+	const auto stm = context.messageStyle();
+
+	const auto &radio = st::historyPollRadio;
+	const auto completed = (task.completionDate != 0);
+
+	const auto rect = QRect(left, top, radio.diameter, radio.diameter);
+	if (completed) {
+		const auto &icon = stm->historyPollChosen;
+		icon.paint(
+			p,
+			left + (radio.diameter - icon.width()) / 2,
+			top + (radio.diameter - icon.height()) / 2,
+			width(),
+			stm->msgFileBg->c);
+	} else {
+		p.setPen(Qt::NoPen);
+		p.setBrush(stm->msgFileBg);
+
+		PainterHighQualityEnabler hq(p);
+		p.drawEllipse(style::centerrect(
+			rect,
+			QRect(0, 0, st::mediaUnreadSize, st::mediaUnreadSize)));
+	}
+}
+
 TextSelection TodoList::adjustSelection(
 		TextSelection selection,
 		TextSelectType type) const {
@@ -600,7 +652,6 @@ TextForMimeData TodoList::selectedText(TextSelection selection) const {
 
 TextState TodoList::textState(QPoint point, StateRequest request) const {
 	auto result = TextState(_parent);
-	const auto can = canComplete();
 	const auto padding = st::msgPadding;
 	auto paintw = width();
 	auto tshift = st::historyPollQuestionTop;
@@ -622,10 +673,9 @@ TextState TodoList::textState(QPoint point, StateRequest request) const {
 	for (const auto &task : _tasks) {
 		const auto height = countTaskHeight(task, paintw);
 		if (point.y() >= tshift && point.y() < tshift + height) {
-			if (can) {
-				_lastLinkPoint = point;
-				result.link = task.handler;
-			} else if (task.completionDate) {
+			_lastLinkPoint = point;
+			result.link = task.handler;
+			if (task.completionDate) {
 				result.customTooltip = true;
 				using Flag = Ui::Text::StateRequest::Flag;
 				if (request.flags & Flag::LookupCustomTooltip) {

Telegram/SourceFiles/history/view/media/history_view_todo_list.h

@@ -103,6 +103,12 @@ private:
 		int left,
 		int top,
 		const PaintContext &context) const;
+	void paintStatus(
+		Painter &p,
+		const Task &task,
+		int left,
+		int top,
+		const PaintContext &context) const;
 	void paintBottom(
 		Painter &p,
 		int left,

Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp

@@ -2628,7 +2628,7 @@ std::unique_ptr<Ui::DropdownMenu> MakeAttachBotsMenu(
 	}
 	if (peer->canCreateTodoLists()) {
 		++minimal;
-		raw->addAction(tr::lng_todo_create(tr::now), [=] {
+		raw->addAction(tr::lng_todo_menu_item(tr::now), [=] {
 			const auto action = actionFactory();
 			const auto source = action.options.scheduled
 				? Api::SendType::Scheduled

Telegram/SourceFiles/settings/settings_premium.cpp

@@ -386,6 +386,15 @@ using Order = std::vector<QString>;
 				PremiumFeature::Effects,
 			},
 		},
+		{
+			u"todo_lists"_q,AssertIsDebug()
+			Entry{
+				&st::settingsPremiumIconTranslations,
+				tr::lng_premium_summary_subtitle_todo_lists(),
+				tr::lng_premium_summary_about_todo_lists(),
+				PremiumFeature::TodoLists,
+			},
+		},
 	};
 }
 
@@ -1608,6 +1617,8 @@ std::vector<PremiumFeature> PremiumFeaturesOrder(
 			return PremiumFeature::Wallpapers;
 		} else if (s == u"effects"_q) {
 			return PremiumFeature::Effects;
+		} else if (s == u"todo_lists"_q) {AssertIsDebug()
+			return PremiumFeature::TodoLists;
 		}
 		return PremiumFeature::kCount;
 	}) | ranges::views::filter([](PremiumFeature type) {

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -98,6 +98,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/application.h"
 #include "export/export_manager.h"
 #include "boxes/peers/edit_peer_info_box.h"
+#include "boxes/premium_preview_box.h"
 #include "styles/style_chat.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@@ -1920,12 +1921,50 @@ void PeerMenuCreatePoll(
 	controller->show(std::move(box), Ui::LayerOption::CloseOther);
 }
 
+void PeerMenuTodoWantsPremium(TodoWantsPremium type) {
+	const auto window = Core::App().activeWindow();
+	if (!window) {
+		return;
+	}
+	const auto filter = [=](const auto &...) {
+		if (const auto controller = window->sessionController()) {
+			ShowPremiumPreviewBox(controller, PremiumFeature::TodoLists);
+			window->activate();
+		}
+		return false;
+	};
+	const auto link = Ui::Text::Link(
+		Ui::Text::Semibold(tr::lng_todo_premium_link(tr::now)));
+	const auto text = [&] {
+		switch (type) {
+		case TodoWantsPremium::Create: return tr::lng_todo_create_premium;
+		case TodoWantsPremium::Add: return tr::lng_todo_add_premium;
+		case TodoWantsPremium::Mark: return tr::lng_todo_mark_premium;
+		}
+		Unexpected("Type in PeerMenuTodoWantsPremium.");
+	}();
+	constexpr auto kToastDuration = crl::time(4000);
+	window->uiShow()->showToast(Ui::Toast::Config{
+		.text = text(
+			tr::now,
+			lt_link,
+			link,
+			Ui::Text::WithEntities),
+		.filter = filter,
+		.duration = kToastDuration,
+	});
+}
+
 void PeerMenuCreateTodoList(
 		not_null<Window::SessionController*> controller,
 		not_null<PeerData*> peer,
 		FullReplyTo replyTo,
 		Api::SendType sendType,
 		SendMenu::Details sendMenuDetails) {
+	if (!peer->session().premium()) {
+		PeerMenuTodoWantsPremium(TodoWantsPremium::Create);
+		return;
+	}
 	auto starsRequired = peer->session().changes().peerFlagsValue(
 		peer,
 		Data::PeerUpdate::Flag::FullInfo

Telegram/SourceFiles/window/window_peer_menu.h

@@ -111,6 +111,12 @@ void PeerMenuCreatePoll(
 	PollData::Flags disabled = PollData::Flags(),
 	Api::SendType sendType = Api::SendType::Normal,
 	SendMenu::Details sendMenuDetails = SendMenu::Details());
+enum class TodoWantsPremium {
+	Create,
+	Add,
+	Mark,
+};
+void PeerMenuTodoWantsPremium(TodoWantsPremium type);
 void PeerMenuCreateTodoList(
 	not_null<Window::SessionController*> controller,
 	not_null<PeerData*> peer,