Added ability to filter users by countries for giveaway to giveaway box.

Telegram/Resources/langs/lang.strings

@@ -2089,8 +2089,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_giveaway_channels_about" = "Choose the channels the users need to join to take part in the giveaway.";
 "lng_giveaway_users_title" = "Users eligible for the giveaway";
 "lng_giveaway_users_all" = "All subscribers";
+"lng_giveaway_users_from_all_countries" = "from all countries";
+"lng_giveaway_users_from_one_country" = "from {country}";
+"lng_giveaway_users_from_countries#one" = "from {count} country";
+"lng_giveaway_users_from_countries#other" = "from {count} countries";
 "lng_giveaway_users_new" = "Only new subscribers";
-"lng_giveaway_users_about" = "Choose if you want to limit the giveaway only to the newly joined subscribers.";
+"lng_giveaway_users_about" = "Choose if you want to limit the giveaway only to those who joined the channel after the giveaway started or to users from specific countries.";
 "lng_giveaway_start" = "Start Giveaway";
 "lng_giveaway_award" = "Gift Premium";
 "lng_giveaway_date_title" = "Date when giveaway ends";
@@ -2106,6 +2110,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_giveaway_channels_select#other" = "Select up to {count} channels";
 "lng_giveaway_recipients_save" = "Save Recipients";
 "lng_giveaway_recipients_deselect" = "Deselect All";
+"lng_giveaway_maximum_countries_error#one" = "You can select maximum {count} country.";
+"lng_giveaway_maximum_countries_error#other" = "You can select maximum {count} countries.";
+"lng_giveaway_maximum_channels_error#one" = "You can select maximum {count} channel.";
+"lng_giveaway_maximum_channels_error#other" = "You can select maximum {count} channels.";
 
 "lng_prize_title" = "Congratulations!";
 "lng_prize_about" = "You won a prize in a giveaway organized by {channel}.";

Telegram/SourceFiles/api/api_premium.cpp

@@ -442,4 +442,11 @@ Data::SubscriptionOptions PremiumGiftCodeOptions::options(int amount) {
 		kFallbackCount);
 }
 
+[[nodiscard]] int PremiumGiftCodeOptions::giveawayCountriesMax() const {
+	constexpr auto kFallbackCount = 10;
+	return _peer->session().account().appConfig().get<int>(
+		u"giveaway_countries_max"_q,
+		kFallbackCount);
+}
+
 } // namespace Api

Telegram/SourceFiles/api/api_premium.h

@@ -157,6 +157,7 @@ public:
 		int monthsIndex);
 
 	[[nodiscard]] int giveawayBoostsPerPremium() const;
+	[[nodiscard]] int giveawayCountriesMax() const;
 
 private:
 	struct Token final {

Telegram/SourceFiles/info/boosts/create_giveaway_box.cpp

@@ -8,12 +8,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/boosts/create_giveaway_box.h"
 
 #include "api/api_premium.h"
+#include "base/call_delayed.h"
 #include "base/unixtime.h"
 #include "boxes/peers/edit_participants_box.h" // ParticipantsBoxController
 #include "data/data_peer.h"
 #include "data/data_subscription_option.h"
 #include "data/data_user.h"
 #include "info/boosts/giveaway/giveaway_type_row.h"
+#include "info/boosts/giveaway/select_countries_box.h"
 #include "info/info_controller.h"
 #include "lang/lang_keys.h"
 #include "payments/payments_checkout_process.h" // Payments::CheckoutProcess
@@ -25,6 +27,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/layers/generic_box.h"
 #include "ui/text/format_values.h"
 #include "ui/text/text_utilities.h"
+#include "ui/toast/toast.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/continuous_sliders.h"
 #include "ui/widgets/labels.h"
@@ -99,6 +102,7 @@ void CreateGiveawayBox(
 		rpl::variable<GiveawayType> typeValue;
 		rpl::variable<int> sliderValue;
 		rpl::variable<TimeId> dateValue;
+		rpl::variable<std::vector<QString>> countriesValue;
 
 		bool confirmButtonBusy = false;
 	};
@@ -308,6 +312,90 @@ void CreateGiveawayBox(
 		Settings::AddSkip(dateContainer);
 	}
 
+	const auto membersGroup = std::make_shared<GiveawayGroup>();
+	{
+		const auto countriesContainer = randomWrap->entity()->add(
+			object_ptr<Ui::VerticalLayout>(randomWrap));
+		Settings::AddSubsectionTitle(
+			countriesContainer,
+			tr::lng_giveaway_users_title());
+
+		membersGroup->setValue(GiveawayType::AllMembers);
+		auto subtitle = state->countriesValue.value(
+		) | rpl::map([=](const std::vector<QString> &list) {
+			return list.empty()
+				? tr::lng_giveaway_users_from_all_countries()
+				: (list.size() == 1)
+				? tr::lng_giveaway_users_from_one_country(
+					lt_country,
+					rpl::single(Countries::Instance().countryNameByISO2(
+						list.front())))
+				: tr::lng_giveaway_users_from_countries(
+					lt_count,
+					rpl::single(list.size()) | tr::to_count());
+		}) | rpl::flatten_latest();
+
+		const auto showBox = [=] {
+			auto done = [=](std::vector<QString> list) {
+				state->countriesValue = std::move(list);
+			};
+			auto error = [=](int count) {
+				const auto max = state->apiOptions.giveawayCountriesMax();
+				const auto error = (count >= max);
+				if (error) {
+					Ui::Toast::Show(tr::lng_giveaway_maximum_countries_error(
+						tr::now,
+						lt_count,
+						max));
+				}
+				return error;
+			};
+
+			box->uiShow()->showBox(Box(
+				Ui::SelectCountriesBox,
+				state->countriesValue.current(),
+				std::move(done),
+				std::move(error)));
+		};
+
+		const auto createCallback = [=](GiveawayType type) {
+			return [=] {
+				const auto was = membersGroup->value();
+				membersGroup->setValue(type);
+				const auto now = membersGroup->value();
+				if (was == now) {
+					base::call_delayed(
+						st::defaultRippleAnimation.hideDuration,
+						box,
+						showBox);
+				}
+			};
+		};
+
+		{
+			const auto row = countriesContainer->add(
+				object_ptr<Giveaway::GiveawayTypeRow>(
+					box,
+					GiveawayType::AllMembers,
+					rpl::duplicate(subtitle)));
+			row->addRadio(membersGroup);
+			row->setClickedCallback(createCallback(GiveawayType::AllMembers));
+		}
+		const auto row = countriesContainer->add(
+			object_ptr<Giveaway::GiveawayTypeRow>(
+				box,
+				GiveawayType::OnlyNewMembers,
+				std::move(subtitle)));
+		row->addRadio(membersGroup);
+		row->setClickedCallback(createCallback(GiveawayType::OnlyNewMembers));
+
+		Settings::AddSkip(countriesContainer);
+		Settings::AddDividerText(
+			countriesContainer,
+			tr::lng_giveaway_users_about());
+		Settings::AddSkip(countriesContainer);
+	}
+
 	const auto durationGroup = std::make_shared<Ui::RadiobuttonGroup>(0);
 	{
 		const auto listOptions = box->verticalLayout()->add(

Telegram/SourceFiles/info/boosts/giveaway/giveaway_type_row.cpp

@@ -25,8 +25,10 @@ GiveawayTypeRow::GiveawayTypeRow(
 	Type type,
 	rpl::producer<QString> subtitle)
 : RippleButton(parent, st::defaultRippleAnimation)
-, _st(st::giveawayTypeListItem)
 , _type(type)
+, _st((_type == Type::SpecificUsers || _type == Type::Random)
+	? st::giveawayTypeListItem
+	: st::defaultPeerListItem)
 , _userpic(
 	Ui::EmptyUserpic::UserpicColor((_type == Type::SpecificUsers)
 		? kColorIndexSpecific
@@ -36,7 +38,11 @@ GiveawayTypeRow::GiveawayTypeRow(
 	_st.nameStyle,
 	(type == Type::SpecificUsers)
 		? tr::lng_giveaway_award_option(tr::now)
-		: tr::lng_giveaway_create_option(tr::now),
+		: (type == Type::Random)
+		? tr::lng_giveaway_create_option(tr::now)
+		: (type == Type::AllMembers)
+		? tr::lng_giveaway_users_all(tr::now)
+		: tr::lng_giveaway_users_new(tr::now),
 	Ui::NameTextOptions()) {
 	std::move(
 		subtitle
@@ -56,18 +62,20 @@ void GiveawayTypeRow::paintEvent(QPaintEvent *e) {
 	const auto skipRight = _st.photoPosition.x();
 	const auto outerWidth = width();
 	const auto isSpecific = (_type == Type::SpecificUsers);
+	const auto hasUserpic = (_type == Type::Random) || isSpecific;
 
 	if (paintOver) {
 		p.fillRect(e->rect(), _st.button.textBgOver);
 	}
 	Ui::RippleButton::paintRipple(p, 0, 0);
-	_userpic.paintCircle(
+	if (hasUserpic) {
-		p,
+		_userpic.paintCircle(
-		_st.photoPosition.x(),
+			p,
-		_st.photoPosition.y(),
+			_st.photoPosition.x(),
-		outerWidth,
+			_st.photoPosition.y(),
-		_st.photoSize);
+			outerWidth,
-	{
+			_st.photoSize);
+
 		const auto &userpic = isSpecific
 			? st::giveawayUserpicGroup
 			: st::giveawayUserpic;
@@ -91,7 +99,7 @@ void GiveawayTypeRow::paintEvent(QPaintEvent *e) {
 	const auto statusy = _st.statusPosition.y();
 	const auto statusw = outerWidth - statusx - skipRight;
 	p.setFont(st::contactsStatusFont);
-	p.setPen(isSpecific ? st::lightButtonFg : _st.statusFg);
+	p.setPen((isSpecific || !hasUserpic) ? st::lightButtonFg : _st.statusFg);
 	_status.drawLeftElided(p, statusx, statusy, statusw, outerWidth);
 }
 

Telegram/SourceFiles/info/boosts/giveaway/giveaway_type_row.h

@@ -22,6 +22,9 @@ public:
 	enum class Type {
 		Random,
 		SpecificUsers,
+
+		AllMembers,
+		OnlyNewMembers,
 	};
 
 	GiveawayTypeRow(
@@ -37,8 +40,8 @@ protected:
 	int resizeGetHeight(int) override;
 
 private:
-	const style::PeerListItem _st;
 	const Type _type;
+	const style::PeerListItem _st;
 
 	Ui::EmptyUserpic _userpic;
 	Ui::Text::String _status;