Support tg://stars_topup links.

Telegram/Resources/langs/cloud_lang.strings

@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "cloud_lng_forwarded_psa_covid" = "COVID-19 Notification from {channel}";
 "cloud_lng_tooltip_psa_covid" = "This message provides you with a public service announcement in relation to the ongoing COVID-19 pandemic. Learn more about this initiative at https://telegram.org/blog/coronavirus";
 
+"cloud_lng_topup_purpose_subs" = "Buy **Stars** to keep your channel subscriptions.";
+
 "cloud_lng_passport_in_ar" = "Arabic";
 "cloud_lng_passport_in_az" = "Azerbaijani";
 "cloud_lng_passport_in_bg" = "Bulgarian";

Telegram/Resources/langs/lang.strings

@@ -2453,7 +2453,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_small_balance_about" = "Buy **Stars** and use them on **{bot}** and other miniapps.";
 "lng_credits_small_balance_reaction" = "Buy **Stars** and send them to {channel} to support their posts.";
 "lng_credits_small_balance_subscribe" = "Buy **Stars** and subscribe to **{channel}** and other channels.";
+"lng_credits_small_balance_fallback" = "Buy **Stars** to unlock content and services on Telegram.";
 "lng_credits_purchase_blocked" = "Sorry, you can't purchase this item with Telegram Stars.";
+"lng_credits_enough" = "You have enough stars at the moment ({balance}). {link}";
+"lng_credits_enough_link" = "Topup anyway";
 
 "lng_credits_gift_title" = "Gift Telegram Stars";
 

Telegram/SourceFiles/api/api_chat_invite.cpp

@@ -310,7 +310,8 @@ void ConfirmSubscriptionBox(
 		state->loading.force_assign(true);
 
 		const auto done = [=](Settings::SmallBalanceResult result) {
-			if (result == Settings::SmallBalanceResult::Success) {
+			if (result == Settings::SmallBalanceResult::Success
+				|| result == Settings::SmallBalanceResult::Already) {
 				sendCredits();
 			} else {
 				state->api = std::nullopt;

Telegram/SourceFiles/core/local_url_handlers.cpp

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/qthelp_url.h"
 #include "lang/lang_cloud_manager.h"
 #include "lang/lang_keys.h"
+#include "core/ui_integration.h" // MarkedTextContext.
 #include "core/update_checker.h"
 #include "core/application.h"
 #include "core/click_handler_types.h"
@@ -46,6 +47,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_peer_menu.h"
 #include "window/themes/window_theme_editor_box.h" // GenerateSlug.
 #include "payments/payments_checkout_process.h"
+#include "settings/settings_credits.h"
+#include "settings/settings_credits_graphics.h"
 #include "settings/settings_information.h"
 #include "settings/settings_global_ttl.h"
 #include "settings/settings_folders.h"
@@ -1170,6 +1173,61 @@ bool ResolveBoost(
 	return true;
 }
 
+bool ResolveTopUp(
+		Window::SessionController *controller,
+		const Match &match,
+		const QVariant &context) {
+	if (!controller) {
+		return false;
+	}
+	const auto params = url_parse_params(
+		match->captured(1),
+		qthelp::UrlParamNameTransform::ToLower);
+	const auto amount = std::clamp(
+		params.value(u"balance"_q).toULongLong(),
+		qulonglong(1),
+		qulonglong(1'000'000));
+	const auto purpose = params.value(u"purpose"_q);
+	const auto weak = base::make_weak(controller);
+	const auto done = [=](::Settings::SmallBalanceResult result) {
+		if (result == ::Settings::SmallBalanceResult::Already) {
+			if (const auto strong = weak.get()) {
+				auto balance = TextWithEntities{ u"hello"_q };
+				const auto context = [=](not_null<QWidget*> toast) {
+					return Core::MarkedTextContext{
+						.session = &strong->session(),
+						.customEmojiRepaint = [=] { toast->update(); },
+					};
+				};
+				const auto filter = [=](const auto &...) {
+					strong->showSettings(::Settings::CreditsId());
+					return false;
+				};
+				strong->showToast(Ui::Toast::Config{
+					.text = tr::lng_credits_enough(
+						tr::now,
+						lt_balance,
+						balance,
+						lt_link,
+						Ui::Text::Link(
+							Ui::Text::Bold(
+								tr::lng_credits_enough_link(tr::now))),
+						Ui::Text::RichLangValue),
+					.textContext = context,
+					.filter = filter,
+				});
+			}
+		}
+	};
+	::Settings::MaybeRequestBalanceIncrease(
+		controller->uiShow(),
+		amount,
+		::Settings::SmallBalanceDeepLink{ .purpose = purpose },
+		[](auto) {});
+	return true;
+}
+
+
 bool ResolveChatLink(
 		Window::SessionController *controller,
 		const Match &match,
@@ -1276,6 +1334,10 @@ const std::vector<LocalUrlHandler> &LocalUrlHandlers() {
 			u"^message/?\\?slug=([a-zA-Z0-9\\.\\_\\-]+)(&|$)"_q,
 			ResolveChatLink
 		},
+		{
+			u"^stars_topup/?\\?(.+)(#|$)"_q,
+			ResolveTopUp
+		},
 		{
 			u"^([^\\?]+)(\\?|#|$)"_q,
 			HandleUnknown

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

@@ -310,10 +310,11 @@ void WebPage::setupAdditionalData() {
 			: 0;
 		if (!_attach) {
 			const auto maybePhoto = details.mediaPhotoId
-				? _data->session().data().photo(details.mediaPhotoId)
+				? _data->session().data().photo(details.mediaPhotoId).get()
 				: nullptr;
 			const auto maybeDocument = details.mediaDocumentId
-				? _data->session().data().document(details.mediaDocumentId)
+				? _data->session().data().document(
+					details.mediaDocumentId).get()
 				: nullptr;
 			_attach = CreateAttach(
 				_parent,

Telegram/SourceFiles/payments/payments_reaction_process.cpp

@@ -60,7 +60,8 @@ void TryAddingPaidReaction(
 		return;
 	}
 	const auto done = [=](Settings::SmallBalanceResult result) {
-		if (result == Settings::SmallBalanceResult::Success) {
+		if (result == Settings::SmallBalanceResult::Success
+			|| result == Settings::SmallBalanceResult::Already) {
 			if (const auto item = checkItem()) {
 				item->addPaidReaction(count, anonymous);
 				if (const auto view = count ? weakView.get() : nullptr) {

Telegram/SourceFiles/settings/settings_credits_graphics.cpp

@@ -82,6 +82,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Settings {
 namespace {
 
+const auto kTopUpPrefix = "cloud_lng_topup_purpose_";
+
 [[nodiscard]] uint64 UniqueIdFromOption(
 		const Data::CreditTopupOption &d) {
 	const auto string = QString::number(d.credits)
@@ -97,6 +99,15 @@ namespace {
 	return session->appConfig().get<int>(key, 1000);
 }
 
+[[nodiscard]] rpl::producer<TextWithEntities> DeepLinkBalanceAbout(
+		const QString &purpose) {
+	const auto phrase = Lang::GetNonDefaultValue(
+		kTopUpPrefix + purpose.toUtf8());
+	return phrase.isEmpty()
+		? tr::lng_credits_small_balance_fallback(Ui::Text::RichLangValue)
+		: rpl::single(Ui::Text::RichLangValue(phrase));
+}
+
 class Balance final
 	: public Ui::RpWidget
 	, public Ui::AbstractTooltipShower {
@@ -1025,6 +1036,8 @@ void SmallBalanceBox(
 		return owner->peer(peerFromChannel(value.channelId))->name();
 	}, [](SmallBalanceSubscription value) {
 		return value.name;
+	}, [](SmallBalanceDeepLink value) {
+		return QString();
 	});
 
 	auto needed = show->session().credits().balanceValue(
@@ -1051,6 +1064,9 @@ void SmallBalanceBox(
 						lt_channel,
 						rpl::single(Ui::Text::Bold(name)),
 						Ui::Text::RichLangValue)
+					: v::is<SmallBalanceDeepLink>(source)
+					? DeepLinkBalanceAbout(
+						v::get<SmallBalanceDeepLink>(source).purpose)
 					: tr::lng_credits_small_balance_about(
 						lt_bot,
 						rpl::single(TextWithEntities{ name }),
@@ -1424,7 +1440,7 @@ void MaybeRequestBalanceIncrease(
 		const auto balance = session->credits().balance();
 		if (credits <= balance) {
 			if (const auto onstack = done) {
-				onstack(SmallBalanceResult::Success);
+				onstack(SmallBalanceResult::Already);
 			}
 		} else if (show->session().premiumPossible()) {
 			const auto success = [=] {

Telegram/SourceFiles/settings/settings_credits_graphics.h

@@ -111,10 +111,14 @@ struct SmallBalanceReaction {
 struct SmallBalanceSubscription {
 	QString name;
 };
+struct SmallBalanceDeepLink {
+	QString purpose;
+};
 struct SmallBalanceSource : std::variant<
 	SmallBalanceBot,
 	SmallBalanceReaction,
-	SmallBalanceSubscription> {
+	SmallBalanceSubscription,
+	SmallBalanceDeepLink> {
 	using variant::variant;
 };
 
@@ -126,6 +130,7 @@ void SmallBalanceBox(
 	Fn<void()> paid);
 
 enum class SmallBalanceResult {
+	Already,
 	Success,
 	Blocked,
 	Cancelled,