Fix transfer of my gifts from Resale.

Telegram/SourceFiles/boxes/star_gift_box.cpp

@@ -2628,7 +2628,10 @@ void SendGiftBox(
 			button->setDescriptor(descriptor, GiftButton::Mode::Full);
 			button->setClickedCallback([=] {
 				const auto star = std::get_if<GiftTypeStars>(&descriptor);
-				if (star && star->info.unique && star->mine) {
+				if (star
+					&& star->info.unique
+					&& star->mine
+					&& !peer->isSelf()) {
 					const auto done = [=] {
 						window->session().credits().load(true);
 						window->showPeerHistory(peer);
@@ -3066,6 +3069,28 @@ void GiftResaleBox(
 		});
 	}, content->lifetime());
 
+	peer->owner().giftUpdates(
+	) | rpl::start_with_next([=](const Data::GiftUpdate &update) {
+		using Action = Data::GiftUpdate::Action;
+		const auto action = update.action;
+		if (action != Action::Transfer && action != Action::ResaleChange) {
+			return;
+		}
+		const auto i = ranges::find(
+			state->data.list,
+			update.slug,
+			[](const Data::StarGift &gift) {
+				return gift.unique ? gift.unique->slug : QString();
+			});
+		if (i == end(state->data.list)) {
+			return;
+		} else if (action == Action::Transfer
+			|| !i->unique->starsForResale) {
+			state->data.list.erase(i);
+		}
+		state->updated.fire({});
+	}, box->lifetime());
+
 	content->add(MakeGiftsList(window, peer, rpl::single(
 		rpl::empty
 	) | rpl::then(
@@ -4749,6 +4774,8 @@ void RequestStarsFormAndSubmit(
 		const auto type = error.type();
 		if (type == u"STARGIFT_EXPORT_IN_PROGRESS"_q) {
 			done(Payments::CheckoutResult::Cancelled, nullptr);
+		} else if (type == u"NO_PAYMENT_NEEDED"_q) {
+			done(Payments::CheckoutResult::Free, nullptr);
 		} else {
 			show->showToast(type);
 			done(Payments::CheckoutResult::Failed, nullptr);

Telegram/SourceFiles/boxes/transfer_gift_box.cpp

@@ -422,7 +422,8 @@ void TransferGift(
 		not_null<PeerData*> to,
 		std::shared_ptr<Data::UniqueGift> gift,
 		Data::SavedStarGiftId savedId,
-		Fn<void(Payments::CheckoutResult)> done) {
+		Fn<void(Payments::CheckoutResult)> done,
+		bool skipPaymentForm = false) {
 	Expects(to->isUser());
 
 	const auto session = &window->session();
@@ -430,6 +431,11 @@ void TransferGift(
 	auto formDone = [=](
 			Payments::CheckoutResult result,
 			const MTPUpdates *updates) {
+		if (result == Payments::CheckoutResult::Free) {
+			Assert(!skipPaymentForm);
+			TransferGift(window, to, gift, savedId, done, true);
+			return;
+		}
 		done(result);
 		if (result == Payments::CheckoutResult::Paid) {
 			session->data().notifyGiftUpdate({
@@ -441,7 +447,11 @@ void TransferGift(
 			}
 		}
 	};
-	if (gift->starsForTransfer <= 0) {
+	if (skipPaymentForm) {
+		// We can't check (gift->starsForTransfer <= 0) here.
+		//
+		// Sometimes we don't know the price for transfer.
+		// Like when we transfer a gift from Resale tab.
 		session->api().request(MTPpayments_TransferStarGift(
 			Api::InputSavedStarGiftId(savedId, gift),
 			to->input
@@ -454,14 +464,14 @@ void TransferGift(
 				strong->showToast(error.type());
 			}
 		}).send();
-		return;
+	} else {
-	}
 		Ui::RequestStarsFormAndSubmit(
 			window->uiShow(),
 			MTP_inputInvoiceStarGiftTransfer(
 				Api::InputSavedStarGiftId(savedId, gift),
 				to->input),
 			std::move(formDone));
+	}
 }
 
 void BuyResaleGift(

Telegram/SourceFiles/payments/payments_checkout_process.h

@@ -54,6 +54,7 @@ enum class CheckoutResult {
 	Pending,
 	Cancelled,
 	Failed,
+	Free, // Gift transfer attempt that doesn't need any payment.
 };
 
 struct RealFormPresentedNotification {

Telegram/SourceFiles/settings/settings_credits_graphics.cpp

@@ -2108,6 +2108,7 @@ void GlobalStarGiftBox(
 		const Data::StarGift &data,
 		PeerId resaleRecipientId,
 		CreditsEntryBoxStyleOverrides st) {
+	const auto selfId = show->session().userPeerId();
 	const auto ownerId = data.unique ? data.unique->ownerId.value : 0;
 	Settings::GenericCreditsEntryBox(
 		box,
@@ -2116,7 +2117,9 @@ void GlobalStarGiftBox(
 			.credits = StarsAmount(data.stars),
 			.bareGiftStickerId = data.document->id,
 			.bareGiftOwnerId = ownerId,
-			.bareGiftResaleRecipientId = resaleRecipientId.value,
+			.bareGiftResaleRecipientId = ((resaleRecipientId != selfId)
+				? resaleRecipientId.value
+				: 0),
 			.stargiftId = data.id,
 			.uniqueGift = data.unique,
 			.peerType = Data::CreditsHistoryEntry::PeerType::Peer,