From ac2f35f12bb6b49e1ca8bf8b24c678b13ee38163 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Fri, 17 May 2024 14:35:19 +0300
Subject: [PATCH] Processed payments form with API scheme on layer 181.

---
 .../SourceFiles/payments/payments_form.cpp    | 121 ++++++++++--------
 Telegram/SourceFiles/payments/payments_form.h |   4 +-
 2 files changed, 72 insertions(+), 53 deletions(-)

diff --git a/Telegram/SourceFiles/payments/payments_form.cpp b/Telegram/SourceFiles/payments/payments_form.cpp
index 59c8e5d658..16469cb1ed 100644
--- a/Telegram/SourceFiles/payments/payments_form.cpp
+++ b/Telegram/SourceFiles/payments/payments_form.cpp
@@ -359,12 +359,7 @@ void Form::requestForm() {
 		MTP_dataJSON(MTP_bytes(Window::Theme::WebViewParams().json))
 	)).done([=](const MTPpayments_PaymentForm &result) {
 		hideProgress();
-		result.match([&](const MTPDpayments_paymentForm &data) {
-			processForm(data);
-		}, [&](const MTPDpayments_paymentFormStars &data) {
-			// #TODO stars
-			_updates.fire(Error{ Error::Type::Form });
-		});
+		processForm(result);
 	}).fail([=](const MTP::Error &error) {
 		hideProgress();
 		_updates.fire(Error{ Error::Type::Form, error.type() });
@@ -390,33 +385,44 @@ void Form::requestReceipt() {
 	}).send();
 }
 
-void Form::processForm(const MTPDpayments_paymentForm &data) {
-	_session->data().processUsers(data.vusers());
+void Form::processForm(const MTPpayments_PaymentForm &result) {
+	using TLForm = MTPDpayments_paymentForm;
+	using TLCredits = MTPDpayments_paymentFormStars;
+	result.match([&](const auto &data) {
+		_session->data().processUsers(data.vusers());
 
-	data.vinvoice().match([&](const auto &data) {
-		processInvoice(data);
-	});
-	processDetails(data);
-	if (const auto info = data.vsaved_info()) {
-		info->match([&](const auto &data) {
-			processSavedInformation(data);
+		data.vinvoice().match([&](const auto &data) {
+			processInvoice(data);
 		});
-	}
-	_paymentMethod.savedCredentials.clear();
-	_paymentMethod.savedCredentialsIndex = 0;
-	if (const auto credentials = data.vsaved_credentials()) {
-		_paymentMethod.savedCredentials.reserve(credentials->v.size());
-		for (const auto &saved : credentials->v) {
-			_paymentMethod.savedCredentials.push_back({
-				.id = qs(saved.data().vid()),
-				.title = qs(saved.data().vtitle()),
+	});
+
+	processDetails(result);
+	result.match([&](const TLForm &data) {
+		if (const auto info = data.vsaved_info()) {
+			info->match([&](const auto &data) {
+				processSavedInformation(data);
 			});
 		}
-		refreshPaymentMethodDetails();
-	}
-	if (const auto additional = data.vadditional_methods()) {
-		processAdditionalPaymentMethods(additional->v);
-	}
+	}, [](const TLCredits &) {
+	});
+	_paymentMethod.savedCredentials.clear();
+	_paymentMethod.savedCredentialsIndex = 0;
+	result.match([&](const TLForm &data) {
+		if (const auto credentials = data.vsaved_credentials()) {
+			_paymentMethod.savedCredentials.reserve(credentials->v.size());
+			for (const auto &saved : credentials->v) {
+				_paymentMethod.savedCredentials.push_back({
+					.id = qs(saved.data().vid()),
+					.title = qs(saved.data().vtitle()),
+				});
+			}
+			refreshPaymentMethodDetails();
+		}
+		if (const auto additional = data.vadditional_methods()) {
+			processAdditionalPaymentMethods(additional->v);
+		}
+	}, [](const TLCredits &) {
+	});
 	fillPaymentMethodInformation();
 	_updates.fire(FormReady{});
 }
@@ -479,31 +485,44 @@ void Form::processInvoice(const MTPDinvoice &data) {
 	};
 }
 
-void Form::processDetails(const MTPDpayments_paymentForm &data) {
-	const auto nativeParams = data.vnative_params();
-	auto nativeParamsJson = nativeParams
-		? nativeParams->match(
-			[&](const MTPDdataJSON &data) { return data.vdata().v; })
-		: QByteArray();
-	_details = FormDetails{
-		.formId = data.vform_id().v,
-		.url = qs(data.vurl()),
-		.nativeProvider = qs(data.vnative_provider().value_or_empty()),
-		.nativeParamsJson = std::move(nativeParamsJson),
-		.botId = data.vbot_id().v,
-		.providerId = data.vprovider_id().v,
-		.canSaveCredentials = data.is_can_save_credentials(),
-		.passwordMissing = data.is_password_missing(),
-	};
-	_invoice.cover.title = qs(data.vtitle());
+void Form::processDetails(const MTPpayments_PaymentForm &result) {
+	using TLForm = MTPDpayments_paymentForm;
+	using TLCredits = MTPDpayments_paymentFormStars;
+	_details = result.match([&](const TLForm &data) {
+		const auto nativeParams = data.vnative_params();
+		auto nativeParamsJson = nativeParams
+			? nativeParams->match(
+				[&](const MTPDdataJSON &data) { return data.vdata().v; })
+			: QByteArray();
+		return FormDetails{
+			.formId = data.vform_id().v,
+			.url = qs(data.vurl()),
+			.nativeProvider = qs(data.vnative_provider().value_or_empty()),
+			.nativeParamsJson = std::move(nativeParamsJson),
+			.botId = data.vbot_id().v,
+			.providerId = data.vprovider_id().v,
+			.canSaveCredentials = data.is_can_save_credentials(),
+			.passwordMissing = data.is_password_missing(),
+		};
+	}, [](const TLCredits &data) {
+		return FormDetails{
+			.formId = data.vform_id().v,
+			.botId = data.vbot_id().v,
+		};
+	});
+	_invoice.cover.title = result.match([](const auto &data) {
+		return qs(data.vtitle());
+	});
 	_invoice.cover.description = TextUtilities::ParseEntities(
-		qs(data.vdescription()),
+		result.match([](const auto &d) { return qs(d.vdescription()); }),
 		TextParseLinks | TextParseMultiline);
 	if (_invoice.cover.thumbnail.isNull() && !_thumbnailLoadProcess) {
-		if (const auto photo = data.vphoto()) {
-			loadThumbnail(
-				_session->data().photoFromWeb(*photo, ImageLocation()));
-		}
+		result.match([&](const auto &data) {
+			if (const auto photo = data.vphoto()) {
+				loadThumbnail(
+					_session->data().photoFromWeb(*photo, ImageLocation()));
+			}
+		});
 	}
 	if (const auto botId = _details.botId) {
 		if (const auto bot = _session->data().userLoaded(botId)) {
diff --git a/Telegram/SourceFiles/payments/payments_form.h b/Telegram/SourceFiles/payments/payments_form.h
index 414eb0b021..68cb75cebe 100644
--- a/Telegram/SourceFiles/payments/payments_form.h
+++ b/Telegram/SourceFiles/payments/payments_form.h
@@ -285,10 +285,10 @@ private:
 
 	void requestForm();
 	void requestReceipt();
-	void processForm(const MTPDpayments_paymentForm &data);
+	void processForm(const MTPpayments_PaymentForm &result);
 	void processReceipt(const MTPDpayments_paymentReceipt &data);
 	void processInvoice(const MTPDinvoice &data);
-	void processDetails(const MTPDpayments_paymentForm &data);
+	void processDetails(const MTPpayments_PaymentForm &result);
 	void processDetails(const MTPDpayments_paymentReceipt &data);
 	void processSavedInformation(const MTPDpaymentRequestedInfo &data);
 	void processAdditionalPaymentMethods(