Added support of credits subscriptions to send credits box.

Telegram/Resources/langs/lang.strings

@@ -2445,6 +2445,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_box_out_media#other" = "Do you want to unlock {media} in {chat} for **{count} Stars**?";
 "lng_credits_box_out_media_user#one" = "Do you want to unlock {media} from {user} for **{count} Star**?";
 "lng_credits_box_out_media_user#other" = "Do you want to unlock {media} from {user} for **{count} Stars**?";
+"lng_credits_box_out_subscription#one" = "Do you want to subscribe to **{title}** in **{bot}** for **{count}** star per month?";
+"lng_credits_box_out_subscription#other" = "Do you want to subscribe to **{title}** in **{bot}** for **{count}** stars per month?";
+"lng_credits_box_out_subscription_confirm#one" = "Subscribe for {emoji} {count} / month";
+"lng_credits_box_out_subscription_confirm#other" = "Subscribe for {emoji} {count} / month";
 "lng_credits_box_out_photo" = "a photo";
 "lng_credits_box_out_photos#one" = "{count} photo";
 "lng_credits_box_out_photos#other" = "{count} photos";

Telegram/SourceFiles/boxes/send_credits_box.cpp

@@ -26,17 +26,22 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "settings/settings_credits_graphics.h"
 #include "ui/boxes/confirm_box.h"
 #include "ui/controls/userpic_button.h"
+#include "ui/effects/credits_graphics.h"
 #include "ui/effects/premium_graphics.h"
 #include "ui/effects/premium_top_bar.h" // Ui::Premium::ColorizedSvg.
 #include "ui/image/image_prepare.h"
 #include "ui/layers/generic_box.h"
+#include "ui/painter.h"
 #include "ui/rect.h"
 #include "ui/text/text_utilities.h"
 #include "ui/vertical_list.h"
 #include "ui/widgets/buttons.h"
+#include "ui/widgets/peer_bubble.h"
 #include "styles/style_boxes.h"
+#include "styles/style_chat.h"
 #include "styles/style_credits.h"
 #include "styles/style_giveaway.h"
+#include "styles/style_info.h" // inviteLinkSubscribeBoxTerms
 #include "styles/style_layers.h"
 #include "styles/style_premium.h"
 #include "styles/style_settings.h"
@@ -92,6 +97,44 @@ struct PaidMediaData {
 	};
 }
 
+void AddTerms(
+		not_null<Ui::BoxContent*> box,
+		not_null<Ui::RpWidget*> button,
+		const style::Box &stBox) {
+	const auto terms = Ui::CreateChild<Ui::FlatLabel>(
+		button->parentWidget(),
+		tr::lng_channel_invite_subscription_terms(
+			lt_link,
+			rpl::combine(
+				tr::lng_paid_react_agree_link(),
+				tr::lng_group_invite_subscription_about_url()
+			) | rpl::map([](const QString &text, const QString &url) {
+				return Ui::Text::Link(text, url);
+			}),
+			Ui::Text::RichLangValue),
+		st::inviteLinkSubscribeBoxTerms);
+	const auto &buttonPadding = stBox.buttonPadding;
+	const auto style = box->lifetime().make_state<style::Box>(style::Box{
+		.buttonPadding = buttonPadding + QMargins(0, 0, 0, terms->height()),
+		.buttonHeight = stBox.buttonHeight,
+		.button = stBox.button,
+		.margin = stBox.margin,
+		.title = stBox.title,
+		.bg = stBox.bg,
+		.titleAdditionalFg = stBox.titleAdditionalFg,
+		.shadowIgnoreTopSkip = stBox.shadowIgnoreTopSkip,
+		.shadowIgnoreBottomSkip = stBox.shadowIgnoreBottomSkip,
+	});
+	button->geometryValue() | rpl::start_with_next([=](const QRect &rect) {
+		terms->resizeToWidth(box->width()
+			- rect::m::sum::h(st::boxRowPadding));
+		terms->moveToLeft(
+			rect.x() + (rect.width() - terms->width()) / 2,
+			rect::bottom(rect) + buttonPadding.bottom() / 2);
+	}, terms->lifetime());
+	box->setStyle(*style);
+}
+
 [[nodiscard]] rpl::producer<TextWithEntities> SendCreditsConfirmText(
 		not_null<Main::Session*> session,
 		not_null<Payments::CreditsFormData*> form) {
@@ -150,6 +193,16 @@ struct PaidMediaData {
 	}
 
 	const auto bot = session->data().user(form->botId);
+	if (form->invoice.subscriptionPeriod) {
+		return tr::lng_credits_box_out_subscription(
+			lt_count,
+			rpl::single(form->invoice.amount) | tr::to_count(),
+			lt_title,
+			rpl::single(TextWithEntities{ form->title }),
+			lt_bot,
+			rpl::single(TextWithEntities{ bot->name() }),
+			Ui::Text::RichLangValue);
+	}
 	return tr::lng_credits_box_out_sure(
 		lt_count,
 		rpl::single(form->invoice.amount) | tr::to_count(),
@@ -190,6 +243,57 @@ struct PaidMediaData {
 		st::defaultUserpicButton);
 }
 
+[[nodiscard]] not_null<Ui::RpWidget*> SendCreditsBadge(
+		not_null<Ui::RpWidget*> parent,
+		int credits) {
+	const auto widget = Ui::CreateChild<Ui::RpWidget>(parent);
+	const auto &font = st::chatGiveawayBadgeFont;
+	const auto text = QString::number(credits);
+	const auto iconHeight = font->ascent - font->descent;
+	const auto iconWidth = iconHeight + st::lineWidth;
+	const auto width = font->width(text) + iconWidth + st::lineWidth;
+	const auto inner = QRect(0, 0, width, font->height);
+	const auto rect = inner + st::subscriptionCreditsBadgePadding;
+	const auto size = rect.size();
+	const auto svg = widget->lifetime().make_state<QSvgRenderer>(
+		Ui::Premium::Svg());
+	const auto half = st::chatGiveawayBadgeStroke / 2.;
+	const auto left = st::subscriptionCreditsBadgePadding.left();
+	const auto smaller = QRectF(rect.translated(-rect.topLeft()))
+		- Margins(half);
+	const auto radius = smaller.height() / 2.;
+	widget->resize(size);
+
+	widget->paintRequest() | rpl::start_with_next([=] {
+		auto p = QPainter(widget);
+		auto hq = PainterHighQualityEnabler(p);
+		p.setPen(QPen(st::premiumButtonFg, st::chatGiveawayBadgeStroke * 1.));
+		p.setBrush(st::creditsBg3);
+		p.drawRoundedRect(smaller, radius, radius);
+
+		p.translate(0, font->descent / 2);
+
+		p.setPen(st::premiumButtonFg);
+		p.setBrush(st::premiumButtonFg);
+		svg->render(
+			&p,
+			QRect(
+				left,
+				half + (inner.height() - iconHeight) / 2,
+				iconHeight,
+				iconHeight));
+
+		p.setFont(font);
+		p.drawText(
+			left + iconWidth,
+			st::subscriptionCreditsBadgePadding.top() + font->ascent,
+			text);
+
+	}, widget->lifetime());
+
+	return widget;
+}
+
 } // namespace
 
 void SendCreditsBox(
@@ -203,7 +307,8 @@ void SendCreditsBox(
 		rpl::variable<bool> confirmButtonBusy = false;
 	};
 	const auto state = box->lifetime().make_state<State>();
-	box->setStyle(st::giveawayGiftCodeBox);
+	const auto &stBox = st::giveawayGiftCodeBox;
+	box->setStyle(stBox);
 	box->setNoContentMargin(true);
 
 	const auto session = form->invoice.session;
@@ -245,14 +350,36 @@ void SendCreditsBox(
 		content,
 		SendCreditsThumbnail(content, session, form.get(), photoSize)));
 	thumb->setAttribute(Qt::WA_TransparentForMouseEvents);
+	if (form->invoice.subscriptionPeriod) {
+		const auto badge = SendCreditsBadge(content, form->invoice.amount);
+		thumb->geometryValue() | rpl::start_with_next([=](const QRect &r) {
+			badge->moveToLeft(
+				r.x() + (r.width() - badge->width()) / 2,
+				rect::bottom(r) - badge->height() / 2);
+		}, badge->lifetime());
+		Ui::AddSkip(content);
+		Ui::AddSkip(content);
+	}
 
 	Ui::AddSkip(content);
 	box->addRow(object_ptr<Ui::CenterWrap<>>(
 		box,
 		object_ptr<Ui::FlatLabel>(
 			box,
-			tr::lng_credits_box_out_title(),
+			form->invoice.subscriptionPeriod
+				? rpl::single(form->title)
+				: tr::lng_credits_box_out_title(),
 			st::settingsPremiumUserTitle)));
+	if (form->invoice.subscriptionPeriod && form->botId && form->photo) {
+		Ui::AddSkip(content);
+		Ui::AddSkip(content);
+		const auto bot = session->data().user(form->botId);
+		box->addRow(
+			object_ptr<Ui::CenterWrap<>>(
+				box,
+				Ui::CreatePeerBubble(box, bot)));
+		Ui::AddSkip(content);
+	}
 	Ui::AddSkip(content);
 	box->addRow(object_ptr<Ui::CenterWrap<>>(
 		box,
@@ -306,6 +433,9 @@ void SendCreditsBox(
 			}
 		}).send();
 	});
+	if (form->invoice.subscriptionPeriod) {
+		AddTerms(box, button, stBox);
+	}
 	{
 		using namespace Info::Statistics;
 		const auto loadingAnimation = InfiniteRadialAnimationWidget(
@@ -317,12 +447,14 @@ void SendCreditsBox(
 	SetButtonMarkedLabel(
 		button,
 		rpl::combine(
-			tr::lng_credits_box_out_confirm(
-				lt_count,
-				rpl::single(form->invoice.amount) | tr::to_count(),
-				lt_emoji,
-				rpl::single(CreditsEmojiSmall(session)),
-				Ui::Text::RichLangValue),
+			(form->invoice.subscriptionPeriod
+				? tr::lng_credits_box_out_subscription_confirm
+				: tr::lng_credits_box_out_confirm)(
+					lt_count,
+					rpl::single(form->invoice.amount) | tr::to_count(),
+					lt_emoji,
+					rpl::single(CreditsEmojiSmall(session)),
+					Ui::Text::RichLangValue),
 			state->confirmButtonBusy.value()
 		) | rpl::map([](TextWithEntities &&text, bool busy) {
 			return busy ? TextWithEntities() : std::move(text);
@@ -332,7 +464,7 @@ void SendCreditsBox(
 		box->getDelegate()->style().button.textFg->c);
 
 	const auto buttonWidth = st::boxWidth
-		- rect::m::sum::h(st::giveawayGiftCodeBox.buttonPadding);
+		- rect::m::sum::h(stBox.buttonPadding);
 	button->widthValue() | rpl::filter([=] {
 		return (button->widthNoMargins() != buttonWidth);
 	}) | rpl::start_with_next([=] {

Telegram/SourceFiles/dialogs/dialogs_entry.h

@@ -295,7 +295,7 @@ auto Entry::unreadStateChangeNotifier(bool required) {
 	_flags |= Flag::InUnreadChangeBlock;
 	const auto notify = required && inChatList();
 	const auto wasState = notify ? chatListUnreadState() : UnreadState();
-	return gsl::finally([=] {
+	return gsl::finally([=, this] {
 		_flags &= ~Flag::InUnreadChangeBlock;
 		if (notify) {
 			Assert(inChatList());

Telegram/SourceFiles/ui/effects/credits.style

@@ -156,3 +156,5 @@ giftListAbout: FlatLabel(defaultFlatLabel) {
 giftListAboutMargin: margins(12px, 24px, 12px, 24px);
 giftBoxEmojiToggleTop: 7px;
 giftBoxLimitTop: 28px;
+
+subscriptionCreditsBadgePadding: margins(10px, 1px, 8px, 3px);