Added ability to create invite links with subscription.

Telegram/CMakeLists.txt

@@ -1474,6 +1474,8 @@ PRIVATE
     support/support_preload.h
     support/support_templates.cpp
     support/support_templates.h
+    ui/boxes/edit_invite_link_session.cpp
+    ui/boxes/edit_invite_link_session.h
     ui/chat/attach/attach_item_single_file_preview.cpp
     ui/chat/attach/attach_item_single_file_preview.h
     ui/chat/attach/attach_item_single_media_preview.cpp

Telegram/Resources/langs/lang.strings

@@ -2021,6 +2021,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_invite_about_no_approve" = "New users will be able to join the group without being approved by the admins.";
 "lng_group_invite_about_approve_channel" = "New users will be able to join the channel only after having been approved by the admins.";
 "lng_group_invite_about_no_approve_channel" = "New users will be able to join the channel without being approved by the admins.";
+"lng_group_invite_subscription" = "Require Monthly Fee";
+"lng_group_invite_subscription_ph" = "Stars Amount per month";
+"lng_group_invite_subscription_price" = "~{cost} / month";
+"lng_group_invite_subscription_toast" = "Sorry, you cannot change the number of Stars for an already created invite link.";
+"lng_group_invite_subscription_about" = "Charge a subscription fee from people joining your channel via this link. {link}";
+"lng_group_invite_subscription_about_link" = "Learn more {emoji}";
+"lng_group_invite_subscription_about_url" = "https://telegram.org/tos/stars";
 
 "lng_group_request_to_join" = "Request to Join";
 "lng_group_request_about" = "This group accepts new members only after they are approved by its admins.";

Telegram/SourceFiles/api/api_invite_links.cpp

@@ -737,6 +737,12 @@ auto InviteLinks::parse(
 		return std::optional<Link>(Link{
 			.link = qs(data.vlink()),
 			.label = qs(data.vtitle().value_or_empty()),
+			.subscription = data.vsubscription_pricing()
+				? Data::PeerSubscription{
+					data.vsubscription_pricing()->data().vamount().v,
+					data.vsubscription_pricing()->data().vperiod().v,
+				}
+				: Data::PeerSubscription(),
 			.admin = peer->session().data().user(data.vadmin_id()),
 			.date = data.vdate().v,
 			.startDate = data.vstart_date().value_or_empty(),

Telegram/SourceFiles/api/api_invite_links.h

@@ -16,6 +16,7 @@ namespace Api {
 struct InviteLink {
 	QString link;
 	QString label;
+	Data::PeerSubscription subscription;
 	not_null<UserData*> admin;
 	TimeId date = 0;
 	TimeId startDate = 0;

Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp

@@ -28,6 +28,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/toast/toast.h"
 #include "ui/text/text_utilities.h"
 #include "ui/boxes/edit_invite_link.h"
+#include "ui/boxes/edit_invite_link_session.h"
 #include "ui/painter.h"
 #include "ui/vertical_list.h"
 #include "boxes/share_box.h"
@@ -1251,6 +1252,8 @@ object_ptr<Ui::BoxContent> InviteLinkQrBox(
 object_ptr<Ui::BoxContent> EditLinkBox(
 		not_null<PeerData*> peer,
 		const Api::InviteLink &data) {
+	constexpr auto kPeriod = 3600 * 24 * 30;
+	constexpr auto kTestModePeriod = 300;
 	const auto creating = data.link.isEmpty();
 	const auto box = std::make_shared<QPointer<Ui::GenericBox>>();
 	using Fields = Ui::InviteLinkFields;
@@ -1266,6 +1269,9 @@ object_ptr<Ui::BoxContent> EditLinkBox(
 		};
 		if (creating) {
 			Assert(data.admin->isSelf());
+			const auto period = peer->session().isTestMode()
+				? kTestModePeriod
+				: kPeriod;
 			peer->session().api().inviteLinks().create({
 				peer,
 				finish,
@@ -1273,6 +1279,7 @@ object_ptr<Ui::BoxContent> EditLinkBox(
 				result.expireDate,
 				result.usageLimit,
 				result.requestApproval,
+				{ uint64(result.subscriptionCredits), period },
 			});
 		} else {
 			peer->session().api().inviteLinks().edit(
@@ -1288,26 +1295,31 @@ object_ptr<Ui::BoxContent> EditLinkBox(
 	};
 	const auto isGroup = !peer->isBroadcast();
 	const auto isPublic = peer->isChannel() && peer->asChannel()->isPublic();
-	if (creating) {
-		auto object = Box(Ui::CreateInviteLinkBox, isGroup, isPublic, done);
-		*box = Ui::MakeWeak(object.data());
-		return object;
-	} else {
-		auto object = Box(
-			Ui::EditInviteLinkBox,
-			Fields{
-				.link = data.link,
-				.label = data.label,
-				.expireDate = data.expireDate,
-				.usageLimit = data.usageLimit,
-				.requestApproval = data.requestApproval,
-				.isGroup = isGroup,
-				.isPublic = isPublic,
-			},
-			done);
-		*box = Ui::MakeWeak(object.data());
-		return object;
-	}
+	auto object = Box([=](not_null<Ui::GenericBox*> box) {
+		const auto fill = [=] {
+			return Ui::FillCreateInviteLinkSubscriptionToggle(box, peer);
+		};
+		if (creating) {
+			Ui::CreateInviteLinkBox(box, fill, isGroup, isPublic, done);
+		} else {
+			Ui::EditInviteLinkBox(
+				box,
+				fill,
+				Fields{
+					.link = data.link,
+					.label = data.label,
+					.expireDate = data.expireDate,
+					.usageLimit = data.usageLimit,
+					.subscriptionCredits = data.subscription.period,
+					.requestApproval = data.requestApproval,
+					.isGroup = isGroup,
+					.isPublic = isPublic,
+				},
+				done);
+		}
+	});
+	*box = Ui::MakeWeak(object.data());
+	return object;
 }
 
 object_ptr<Ui::BoxContent> RevokeLinkBox(

Telegram/SourceFiles/info/info.style

@@ -992,6 +992,24 @@ inviteLinkQrSkip: 24px;
 inviteLinkQrMargin: margins(0px, 0px, 0px, 13px);
 inviteLinkQrValuePadding: margins(22px, 0px, 22px, 12px);
 
+inviteLinkCreditsField: InputField(defaultInputField) {
+	textMargins: margins(23px, 10px, 0px, 0px);
+	textAlign: align(left);
+	textFg: historyComposeAreaFg;
+	textBg: historyComposeAreaBg;
+	heightMin: 36px;
+	heightMax: 36px;
+	placeholderFg: placeholderFg;
+	placeholderFgActive: placeholderFgActive;
+	placeholderFgError: placeholderFgActive;
+	placeholderMargins: margins(0px, 0px, 2px, 0px);
+	placeholderAlign: align(left);
+	placeholderScale: 0.;
+	placeholderFont: normalFont;
+	placeholderShift: -50px;
+	duration: 100;
+}
+
 usernamesReorderIcon: icon {{ "stickers_reorder", dialogsMenuIconFg }};
 
 infoAboutGigagroup: FlatLabel(defaultFlatLabel) {

Telegram/SourceFiles/ui/boxes/edit_invite_link.cpp

@@ -11,9 +11,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "ui/boxes/choose_date_time.h"
 #include "ui/layers/generic_box.h"
+#include "ui/vertical_list.h"
+#include "ui/text/format_values.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/fields/input_field.h"
 #include "ui/widgets/fields/number_input.h"
+#include "ui/effects/credits_graphics.h"
 #include "ui/widgets/labels.h"
 #include "ui/wrap/slide_wrap.h"
 #include "styles/style_settings.h"
@@ -44,6 +47,7 @@ constexpr auto kMaxLabelLength = 32;
 
 void EditInviteLinkBox(
 		not_null<GenericBox*> box,
+		Fn<InviteLinkSubscriptionToggle()> fillSubscription,
 		const InviteLinkFields &data,
 		Fn<void(InviteLinkFields)> done) {
 	using namespace rpl::mappers;
@@ -95,14 +99,17 @@ void EditInviteLinkBox(
 		int expireValue = 0;
 		int usageValue = 0;
 		rpl::variable<bool> requestApproval = false;
+		rpl::variable<bool> subscription = false;
 	};
 	const auto state = box->lifetime().make_state<State>(State{
 		.expireValue = expire,
 		.usageValue = usage,
 		.requestApproval = (data.requestApproval && !isPublic),
+		.subscription = false,
 	});
 
-	const auto requestApproval = isPublic
+	const auto subscriptionLocked = data.subscriptionCredits > 0;
+	const auto requestApproval = (isPublic || subscriptionLocked)
 		? nullptr
 		: container->add(
 			object_ptr<SettingsButton>(
@@ -111,8 +118,11 @@ void EditInviteLinkBox(
 				st::settingsButtonNoIcon),
 			style::margins{ 0, 0, 0, st::defaultVerticalListSkip });
 	if (requestApproval) {
-		requestApproval->toggleOn(state->requestApproval.value());
-		state->requestApproval = requestApproval->toggledValue();
+		requestApproval->toggleOn(state->requestApproval.value(), true);
+		requestApproval->setClickedCallback([=] {
+			state->requestApproval.force_assign(!requestApproval->toggled());
+			state->subscription.force_assign(false);
+		});
 		addDivider(container, rpl::conditional(
 			state->requestApproval.value(),
 			(isGroup
@@ -122,6 +132,30 @@ void EditInviteLinkBox(
 				? tr::lng_group_invite_about_no_approve()
 				: tr::lng_group_invite_about_no_approve_channel())));
 	}
+	auto credits = (Ui::NumberInput*)(nullptr);
+	if (!isPublic && fillSubscription) {
+		Ui::AddSkip(container);
+		const auto &[subscription, input] = fillSubscription();
+		credits = input.get();
+		subscription->toggleOn(state->subscription.value(), true);
+		if (subscriptionLocked) {
+			input->setText(QString::number(data.subscriptionCredits));
+			input->setReadOnly(true);
+			state->subscription.force_assign(true);
+			state->requestApproval.force_assign(false);
+			subscription->setToggleLocked(true);
+			subscription->finishAnimating();
+		}
+		subscription->setClickedCallback([=, show = box->uiShow()] {
+			if (subscriptionLocked) {
+				show->showToast(
+					tr::lng_group_invite_subscription_toast(tr::now));
+				return;
+			}
+			state->subscription.force_assign(!subscription->toggled());
+			state->requestApproval.force_assign(false);
+		});
+	}
 
 	const auto labelField = container->add(
 		object_ptr<Ui::InputField>(
@@ -327,6 +361,9 @@ void EditInviteLinkBox(
 			.label = label,
 			.expireDate = expireDate,
 			.usageLimit = usageLimit,
+			.subscriptionCredits = credits
+				? credits->getLastText().toInt()
+				: 0,
 			.requestApproval = state->requestApproval.current(),
 			.isGroup = isGroup,
 			.isPublic = isPublic,
@@ -337,11 +374,13 @@ void EditInviteLinkBox(
 
 void CreateInviteLinkBox(
 		not_null<GenericBox*> box,
+		Fn<InviteLinkSubscriptionToggle()> fillSubscription,
 		bool isGroup,
 		bool isPublic,
 		Fn<void(InviteLinkFields)> done) {
 	EditInviteLinkBox(
 		box,
+		std::move(fillSubscription),
 		InviteLinkFields{ .isGroup = isGroup, .isPublic = isPublic },
 		std::move(done));
 }

Telegram/SourceFiles/ui/boxes/edit_invite_link.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 
 class GenericBox;
+class NumberInput;
 class SettingsButton;
 
 struct InviteLinkFields {
@@ -17,18 +18,26 @@ struct InviteLinkFields {
 	QString label;
 	TimeId expireDate = 0;
 	int usageLimit = 0;
+	int subscriptionCredits = 0;
 	bool requestApproval = false;
 	bool isGroup = false;
 	bool isPublic = false;
 };
 
+struct InviteLinkSubscriptionToggle final {
+	not_null<Ui::SettingsButton*> button;
+	not_null<Ui::NumberInput*> amount;
+};
+
 void EditInviteLinkBox(
 	not_null<Ui::GenericBox*> box,
+	Fn<InviteLinkSubscriptionToggle()> fillSubscription,
 	const InviteLinkFields &data,
 	Fn<void(InviteLinkFields)> done);
 
 void CreateInviteLinkBox(
 	not_null<Ui::GenericBox*> box,
+	Fn<InviteLinkSubscriptionToggle()> fillSubscription,
 	bool isGroup,
 	bool isPublic,
 	Fn<void(InviteLinkFields)> done);

Telegram/SourceFiles/ui/boxes/edit_invite_link_session.cpp

@@ -0,0 +1,166 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "ui/boxes/edit_invite_link_session.h"
+
+#include "api/api_credits.h"
+#include "data/data_peer.h"
+#include "data/data_session.h"
+#include "data/stickers/data_custom_emoji.h"
+#include "lang/lang_keys.h"
+#include "main/main_app_config.h"
+#include "main/main_session.h"
+#include "ui/boxes/edit_invite_link.h" // InviteLinkSubscriptionToggle
+#include "ui/effects/credits_graphics.h"
+#include "ui/layers/generic_box.h"
+#include "ui/rect.h"
+#include "ui/text/format_values.h"
+#include "ui/text/text_utilities.h"
+#include "ui/vertical_list.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/fields/number_input.h"
+#include "ui/widgets/label_with_custom_emoji.h"
+#include "ui/widgets/labels.h"
+#include "ui/wrap/slide_wrap.h"
+#include "ui/wrap/vertical_layout.h"
+#include "styles/style_channel_earn.h"
+#include "styles/style_chat.h"
+#include "styles/style_settings.h"
+#include "styles/style_layers.h"
+#include "styles/style_info.h"
+
+namespace Ui {
+
+InviteLinkSubscriptionToggle FillCreateInviteLinkSubscriptionToggle(
+		not_null<Ui::GenericBox*> box,
+		not_null<PeerData*> peer) {
+	struct State final {
+		float64 usdRate = 0;
+	};
+	const auto state = box->lifetime().make_state<State>();
+	const auto currency = u"USD"_q;
+
+	const auto container = box->verticalLayout();
+	const auto toggle = container->add(
+		object_ptr<SettingsButton>(
+			container,
+			tr::lng_group_invite_subscription(),
+			st::settingsButtonNoIconLocked),
+		style::margins{ 0, 0, 0, st::defaultVerticalListSkip });
+
+	const auto maxCredits = peer->session().appConfig().get<int>(
+		u"stars_subscription_amount_max"_q,
+		2500);
+
+	const auto &st = st::inviteLinkCreditsField;
+	const auto skip = st.textMargins.top() / 2;
+	const auto wrap = container->add(
+		object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+			container,
+			object_ptr<Ui::VerticalLayout>(container)));
+	box->setShowFinishedCallback([=] {
+		wrap->toggleOn(toggle->toggledValue());
+		wrap->finishAnimating();
+	});
+	const auto inputContainer = wrap->entity()->add(
+		CreateSkipWidget(container, st.heightMin - skip));
+	const auto input = CreateChild<NumberInput>(
+		inputContainer,
+		st,
+		tr::lng_group_invite_subscription_ph(),
+		QString(),
+		maxCredits);
+	wrap->toggledValue() | rpl::start_with_next([=](bool shown) {
+		if (shown) {
+			input->setFocus();
+		}
+	}, input->lifetime());
+	const auto icon = CreateSingleStarWidget(
+		inputContainer,
+		st.style.font->height);
+	const auto priceOverlay = Ui::CreateChild<Ui::RpWidget>(inputContainer);
+	priceOverlay->setAttribute(Qt::WA_TransparentForMouseEvents);
+	inputContainer->sizeValue(
+	) | rpl::start_with_next([=](const QSize &size) {
+		input->resize(
+			size.width() - rect::m::sum::h(st::boxRowPadding),
+			st.heightMin);
+		input->moveToLeft(st::boxRowPadding.left(), -skip);
+		icon->moveToLeft(
+			st::boxRowPadding.left(),
+			input->pos().y() + st.textMargins.top());
+		priceOverlay->resize(size);
+	}, input->lifetime());
+	ToggleChildrenVisibility(inputContainer, true);
+	QObject::connect(input, &Ui::MaskedInputField::changed, [=] {
+		priceOverlay->update();
+	});
+	priceOverlay->paintRequest(
+	) | rpl::start_with_next([=, right = st::boxRowPadding.right()] {
+		if (state->usdRate <= 0) {
+			return;
+		}
+		const auto amount = input->getLastText().toDouble();
+		if (amount <= 0) {
+			return;
+		}
+		const auto text = tr::lng_group_invite_subscription_price(
+			tr::now,
+			lt_cost,
+			Ui::FillAmountAndCurrency(amount * state->usdRate, currency));
+		auto p = QPainter(priceOverlay);
+		p.setFont(st.placeholderFont);
+		p.setPen(st.placeholderFg);
+		p.setBrush(Qt::NoBrush);
+		const auto textWidth = st.placeholderFont->width(text);
+		const auto m = QMargins(0, skip, right, 0);
+		p.drawText(priceOverlay->rect() - m, text, style::al_right);
+	}, priceOverlay->lifetime());
+
+	{
+		auto &lifetime = priceOverlay->lifetime();
+		const auto api = lifetime.make_state<Api::CreditsEarnStatistics>(
+			peer);
+		api->request(
+		) | rpl::start_with_done([=] {
+			state->usdRate = api->data().usdRate;
+			priceOverlay->update();
+		}, priceOverlay->lifetime());
+	}
+
+	const auto arrow = Ui::Text::SingleCustomEmoji(
+		peer->owner().customEmojiManager().registerInternalEmoji(
+			st::topicButtonArrow,
+			st::channelEarnLearnArrowMargins,
+			false));
+	auto about = Ui::CreateLabelWithCustomEmoji(
+		container,
+		tr::lng_group_invite_subscription_about(
+			lt_link,
+			tr::lng_group_invite_subscription_about_link(
+				lt_emoji,
+				rpl::single(arrow),
+				Ui::Text::RichLangValue
+			) | rpl::map([](TextWithEntities text) {
+				return Ui::Text::Link(
+					std::move(text),
+					tr::lng_group_invite_subscription_about_url(tr::now));
+			}),
+			Ui::Text::RichLangValue),
+		{ .session = &peer->session() },
+		st::boxDividerLabel);
+	Ui::AddSkip(wrap->entity());
+	Ui::AddSkip(wrap->entity());
+	container->add(object_ptr<Ui::DividerLabel>(
+		container,
+		std::move(about),
+		st::defaultBoxDividerLabelPadding,
+		RectPart::Top | RectPart::Bottom));
+	return { toggle, input };
+}
+
+} // namespace Ui

Telegram/SourceFiles/ui/boxes/edit_invite_link_session.h

@@ -0,0 +1,23 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class PeerData;
+
+namespace Ui {
+
+class GenericBox;
+class SettingsButton;
+
+struct InviteLinkSubscriptionToggle;
+
+InviteLinkSubscriptionToggle FillCreateInviteLinkSubscriptionToggle(
+	not_null<Ui::GenericBox*> box,
+	not_null<PeerData*> peer);
+
+} // namespace Ui