Check gift sold out error on sending.

Telegram/SourceFiles/boxes/star_gift_box.cpp

@@ -842,6 +842,7 @@ void SendGift(
 			.randomId = details.randomId,
 			.message = details.text,
 			.user = peer->asUser(),
+			.limitedCount = gift.limitedCount,
 			.anonymous = details.anonymous,
 		}, done, processNonPanelPaymentFormFactory);
 	});

Telegram/SourceFiles/payments/payments_form.cpp

@@ -501,11 +501,13 @@ void Form::requestForm() {
 				.currency = currency,
 				.amount = amount,
 			};
+			const auto gift = std::get_if<InvoiceStarGift>(&_id.value);
 			const auto formData = CreditsFormData{
 				.id = _id,
 				.formId = data.vform_id().v,
 				.invoice = invoice,
 				.inputInvoice = inputInvoice(),
+				.starGiftLimitedCount = gift ? gift->limitedCount : 0,
 				.starGiftForm = true,
 			};
 			_updates.fire(CreditsPaymentStarted{ .data = formData });

Telegram/SourceFiles/payments/payments_form.h

@@ -177,6 +177,7 @@ struct InvoiceStarGift {
 	uint64 randomId = 0;
 	TextWithEntities message;
 	not_null<UserData*> user;
+	int limitedCount = 0;
 	bool anonymous = false;
 };
 
@@ -198,6 +199,7 @@ struct CreditsFormData {
 	PhotoData *photo = nullptr;
 	InvoiceCredits invoice;
 	MTPInputInvoice inputInvoice;
+	int starGiftLimitedCount = 0;
 	bool starGiftForm = false;
 };
 

Telegram/SourceFiles/payments/payments_non_panel_process.cpp

@@ -25,6 +25,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/boxes/boost_box.h" // Ui::StartFireworks.
 #include "ui/layers/generic_box.h"
 #include "ui/text/format_values.h"
+#include "ui/text/text_utilities.h"
+#include "ui/toast/toast.h"
 #include "window/window_controller.h"
 #include "window/window_session_controller.h"
 
@@ -59,7 +61,24 @@ void ProcessCreditsPayment(
 			const auto done = [=](std::optional<QString> error) {
 				const auto onstack = maybeReturnToBot;
 				if (error) {
-					show->showToast(*error);
+					if (*error == u"STARGIFT_USAGE_LIMITED"_q) {
+						if (form->starGiftLimitedCount) {
+							show->showToast({
+								.title = tr::lng_gift_sold_out_title(
+									tr::now),
+								.text = tr::lng_gift_sold_out_text(
+									tr::now,
+									lt_count_decimal,
+									form->starGiftLimitedCount,
+									Ui::Text::RichLangValue),
+							});
+						} else {
+							show->showToast(
+								tr::lng_gift_sold_out_title(tr::now));
+						}
+					} else {
+						show->showToast(*error);
+					}
 					if (onstack) {
 						onstack(CheckoutResult::Failed);
 					}