Added support of credits to giveaway info results.

Telegram/Resources/langs/lang.strings

@@ -2922,6 +2922,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_prizes_how_yes_joined_one" = "You are participating in this giveaway, because you have joined {channel}.";
 "lng_prizes_how_yes_joined_many" = "You are participating in this giveaway, because you have joined {channel} (and other listed groups and channels).";
 "lng_prizes_you_won" = "You won a prize in this giveaway {cup}";
+"lng_prizes_you_won_credits" = "You won {amount} in this giveaway {cup}";
+"lng_prizes_you_won_credits_amount#one" = "{count} Star";
+"lng_prizes_you_won_credits_amount#other" = "{count} Stars";
 "lng_prizes_view_prize" = "View my prize";
 "lng_prizes_you_didnt" = "You didn't win a prize in this giveaway.";
 "lng_prizes_cancelled" = "The channel cancelled the prizes by reversing the payment for them.";

Telegram/SourceFiles/api/api_premium.cpp

@@ -364,6 +364,7 @@ void Premium::resolveGiveawayInfo(
 			info.activatedCount = data.vactivated_count().value_or_empty();
 			info.finishDate = data.vfinish_date().v;
 			info.startDate = data.vstart_date().v;
+			info.credits = data.vstars_prize().value_or_empty();
 		});
 		_giveawayInfoDone(std::move(info));
 	}).fail([=] {

Telegram/SourceFiles/api/api_premium.h

@@ -57,6 +57,7 @@ struct GiveawayInfo {
 	TimeId tooEarlyDate = 0;
 	TimeId finishDate = 0;
 	TimeId startDate = 0;
+	uint64 credits = 0;
 	int winnersCount = 0;
 	int activatedCount = 0;
 	bool participating = false;

Telegram/SourceFiles/boxes/gift_premium_box.cpp

@@ -1419,21 +1419,56 @@ void GiveawayInfoBox(
 		: !start->channels.empty()
 		? start->channels.front()->name()
 		: u"channel"_q;
-	auto text = TextWithEntities();
 
-	if (!info.giftCode.isEmpty()) {
-		text.append("\n\n");
-		text.append(Ui::Text::Bold(tr::lng_prizes_you_won(
-			tr::now,
+	auto resultText = (!info.giftCode.isEmpty())
+		? tr::lng_prizes_you_won(
 			lt_cup,
-			QString::fromUtf8("\xf0\x9f\x8f\x86"))));
-		text.append("\n\n");
-	} else if (info.state == State::Finished) {
-		text.append("\n\n");
-		text.append(Ui::Text::Bold(tr::lng_prizes_you_didnt(tr::now)));
-		text.append("\n\n");
+			rpl::single(
+				TextWithEntities{ QString::fromUtf8("\xf0\x9f\x8f\x86") }),
+			Ui::Text::WithEntities)
+		: (info.credits)
+		? tr::lng_prizes_you_won_credits(
+			lt_amount,
+			tr::lng_prizes_you_won_credits_amount(
+				lt_count,
+				rpl::single(float64(info.credits)),
+				Ui::Text::Bold),
+			lt_cup,
+			rpl::single(
+				TextWithEntities{ QString::fromUtf8("\xf0\x9f\x8f\x86") }),
+			Ui::Text::WithEntities)
+		: (info.state == State::Finished)
+		? tr::lng_prizes_you_didnt(Ui::Text::WithEntities)
+		: (rpl::producer<TextWithEntities>)(nullptr);
+
+	if (resultText) {
+		const auto &st = st::changePhoneDescription;
+		const auto skip = st.style.font->height * 0.5;
+		auto label = object_ptr<Ui::FlatLabel>(
+			box.get(),
+			std::move(resultText),
+			st);
+		if ((!info.giftCode.isEmpty()) || info.credits) {
+			label->setTextColorOverride(st::windowActiveTextFg->c);
+		}
+		const auto result = box->addRow(
+			object_ptr<Ui::PaddingWrap<Ui::CenterWrap<Ui::FlatLabel>>>(
+				box.get(),
+				object_ptr<Ui::CenterWrap<Ui::FlatLabel>>(
+					box.get(),
+					std::move(label)),
+				QMargins(0, skip, 0, skip)));
+		result->paintRequest() | rpl::start_with_next([=] {
+			auto p = QPainter(result);
+			p.setPen(Qt::NoPen);
+			p.setBrush(st::boxDividerBg);
+			p.drawRoundedRect(result->rect(), st::boxRadius, st::boxRadius);
+		}, result->lifetime());
+		Ui::AddSkip(box->verticalLayout());
 	}
 
+	auto text = TextWithEntities();
+
 	const auto quantity = start
 		? start->quantity
 		: (results->winnersCount + results->unclaimedCount);