Simple receipt viewing.

7 files changed, 120 insertions, 18 deletions

diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index 3f49c3076d..1366dd31df 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -1861,7 +1861,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_payments_receipt_button" = "Receipt";
 
 "lng_payments_checkout_title" = "Checkout";
+"lng_payments_receipt_title" = "Receipt";
 "lng_payments_total_label" = "Total";
+"lng_payments_date_label" = "Date";
 "lng_payments_pay_amount" = "Pay {amount}";
 "lng_payments_payment_method" = "Payment Method";
 "lng_payments_new_card" = "New Card...";
diff --git a/Telegram/SourceFiles/payments/payments_checkout_process.cpp b/Telegram/SourceFiles/payments/payments_checkout_process.cpp
index 7d67fb94ef..f5508fb7f4 100644
--- a/Telegram/SourceFiles/payments/payments_checkout_process.cpp
+++ b/Telegram/SourceFiles/payments/payments_checkout_process.cpp
@@ -149,9 +149,7 @@ void CheckoutProcess::handleError(const Error &error) {
 	const auto &id = error.id;
 	switch (error.type) {
 	case Error::Type::Form:
-		if (id == u"INVOICE_ALREADY_PAID"_q) {
-			showToast({ "Already Paid!" }); // #TODO payments errors message
-		} else if (true
+		if (true
 			|| id == u"PROVIDER_ACCOUNT_INVALID"_q
 			|| id == u"PROVIDER_ACCOUNT_TIMEOUT"_q) {
 			showToast({ "Error: " + id });
@@ -232,8 +230,6 @@ void CheckoutProcess::handleError(const Error &error) {
 			showToast({ "Error: Payment Failed. Your card has not been billed." }); // #TODO payments errors message
 		} else if (id == u"BOT_PRECHECKOUT_FAILED"_q) {
 			showToast({ "Error: PreCheckout Failed. Your card has not been billed." }); // #TODO payments errors message
-		} else if (id == u"INVOICE_ALREADY_PAID"_q) {
-			showToast({ "Already Paid!" }); // #TODO payments errors message
 		} else if (id == u"REQUESTED_INFO_INVALID"_q
 			|| id == u"SHIPPING_OPTION_INVALID"_q
 			|| id == u"PAYMENT_CREDENTIALS_INVALID"_q
@@ -448,7 +444,8 @@ void CheckoutProcess::panelShowBox(object_ptr<Ui::BoxContent> box) {
 void CheckoutProcess::performInitialSilentValidation() {
 	const auto &invoice = _form->invoice();
 	const auto &saved = _form->savedInformation();
-	if ((invoice.isNameRequested && saved.name.isEmpty())
+	if (invoice.receipt
+		|| (invoice.isNameRequested && saved.name.isEmpty())
 		|| (invoice.isEmailRequested && saved.email.isEmpty())
 		|| (invoice.isPhoneRequested && saved.phone.isEmpty())
 		|| (invoice.isShippingAddressRequested && !saved.shippingAddress)) {
diff --git a/Telegram/SourceFiles/payments/payments_form.cpp b/Telegram/SourceFiles/payments/payments_form.cpp
index 3cc62685e2..604bba091d 100644
--- a/Telegram/SourceFiles/payments/payments_form.cpp
+++ b/Telegram/SourceFiles/payments/payments_form.cpp
@@ -94,7 +94,11 @@ Form::Form(not_null<Main::Session*> session, FullMsgId itemId)
 , _api(&_session->mtp())
 , _msgId(itemId) {
 	fillInvoiceFromMessage();
-	requestForm();
+	if (_receiptMsgId) {
+		requestReceipt();
+	} else {
+		requestForm();
+	}
 }
 
 Form::~Form() = default;
@@ -103,10 +107,16 @@ void Form::fillInvoiceFromMessage() {
 	if (const auto item = _session->data().message(_msgId)) {
 		if (const auto media = item->media()) {
 			if (const auto invoice = media->invoice()) {
+				_receiptMsgId = FullMsgId(
+					_msgId.channel,
+					invoice->receiptMsgId);
 				_invoice.cover = Ui::Cover{
 					.title = invoice->title,
 					.description = invoice->description,
 				};
+				if (_receiptMsgId) {
+					_invoice.receipt.paid = true;
+				}
 				if (const auto photo = invoice->photo) {
 					loadThumbnail(photo);
 				}
@@ -205,6 +215,18 @@ void Form::requestForm() {
 	}).send();
 }
 
+void Form::requestReceipt() {
+	_api.request(MTPpayments_GetPaymentReceipt(
+		MTP_int(_receiptMsgId.msg)
+	)).done([=](const MTPpayments_PaymentReceipt &result) {
+		result.match([&](const auto &data) {
+			processReceipt(data);
+		});
+	}).fail([=](const MTP::Error &error) {
+		_updates.fire(Error{ Error::Type::Form, error.type() });
+	}).send();
+}
+
 void Form::processForm(const MTPDpayments_paymentForm &data) {
 	_session->data().processUsers(data.vusers());
 
@@ -226,6 +248,32 @@ void Form::processForm(const MTPDpayments_paymentForm &data) {
 	_updates.fire(FormReady{});
 }
 
+void Form::processReceipt(const MTPDpayments_paymentReceipt &data) {
+	_session->data().processUsers(data.vusers());
+
+	data.vinvoice().match([&](const auto &data) {
+		processInvoice(data);
+	});
+	processDetails(data);
+	if (const auto info = data.vinfo()) {
+		info->match([&](const auto &data) {
+			processSavedInformation(data);
+		});
+	}
+	if (const auto shipping = data.vshipping()) {
+		processShippingOptions({ *shipping });
+		if (!_shippingOptions.list.empty()) {
+			_shippingOptions.selectedId = _shippingOptions.list.front().id;
+		}
+	}
+	_paymentMethod.savedCredentials = SavedCredentials{
+		.id = "(used)",
+		.title = qs(data.vcredentials_title()),
+	};
+	fillPaymentMethodInformation();
+	_updates.fire(FormReady{});
+}
+
 void Form::processInvoice(const MTPDinvoice &data) {
 	_invoice = Ui::Invoice{
 		.cover = std::move(_invoice.cover),
@@ -246,7 +294,6 @@ void Form::processInvoice(const MTPDinvoice &data) {
 }
 
 void Form::processDetails(const MTPDpayments_paymentForm &data) {
-	_session->data().processUsers(data.vusers());
 	const auto nativeParams = data.vnative_params();
 	auto nativeParamsJson = nativeParams
 		? nativeParams->match(
@@ -268,6 +315,25 @@ void Form::processDetails(const MTPDpayments_paymentForm &data) {
 	}
 }
 
+void Form::processDetails(const MTPDpayments_paymentReceipt &data) {
+	_invoice.receipt = Ui::Receipt{
+		.date = data.vdate().v,
+		.totalAmount = *reinterpret_cast<const int64*>(
+			&data.vtotal_amount().v),
+		.currency = qs(data.vcurrency()),
+		.paid = true,
+	};
+	_details = FormDetails{
+		.botId = data.vbot_id().v,
+		.providerId = data.vprovider_id().v,
+	};
+	if (_details.botId) {
+		if (const auto bot = _session->data().userLoaded(_details.botId)) {
+			_invoice.cover.seller = bot->name;
+		}
+	}
+}
+
 void Form::processSavedInformation(const MTPDpaymentRequestedInfo &data) {
 	const auto address = data.vshipping_address();
 	_savedInformation = Ui::RequestedInformation{
diff --git a/Telegram/SourceFiles/payments/payments_form.h b/Telegram/SourceFiles/payments/payments_form.h
index c964a66836..d627df0200 100644
--- a/Telegram/SourceFiles/payments/payments_form.h
+++ b/Telegram/SourceFiles/payments/payments_form.h
@@ -186,9 +186,12 @@ private:
 	[[nodiscard]] QImage prepareEmptyThumbnail() const;
 
 	void requestForm();
+	void requestReceipt();
 	void processForm(const MTPDpayments_paymentForm &data);
+	void processReceipt(const MTPDpayments_paymentReceipt &data);
 	void processInvoice(const MTPDinvoice &data);
 	void processDetails(const MTPDpayments_paymentForm &data);
+	void processDetails(const MTPDpayments_paymentReceipt &data);
 	void processSavedInformation(const MTPDpaymentRequestedInfo &data);
 	void processSavedCredentials(
 		const MTPDpaymentSavedCredentialsCard &data);
@@ -217,6 +220,7 @@ private:
 	const not_null<Main::Session*> _session;
 	MTP::Sender _api;
 	FullMsgId _msgId;
+	FullMsgId _receiptMsgId;
 
 	Ui::Invoice _invoice;
 	std::unique_ptr<ThumbnailLoadProcess> _thumbnailLoadProcess;
diff --git a/Telegram/SourceFiles/payments/ui/payments_form_summary.cpp b/Telegram/SourceFiles/payments/ui/payments_form_summary.cpp
index aae6bd1af3..134ca52afb 100644
--- a/Telegram/SourceFiles/payments/ui/payments_form_summary.cpp
+++ b/Telegram/SourceFiles/payments/ui/payments_form_summary.cpp
@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/format_values.h"
 #include "data/data_countries.h"
 #include "lang/lang_keys.h"
+#include "base/unixtime.h"
 #include "styles/style_payments.h"
 #include "styles/style_passport.h"
 
@@ -187,17 +188,14 @@ void FormSummary::setupCover(not_null<VerticalLayout*> layout) {
 
 void FormSummary::setupPrices(not_null<VerticalLayout*> layout) {
 	Settings::AddSkip(layout, st::paymentsPricesTopSkip);
-	const auto add = [&](
+	const auto addRow = [&](
 			const QString &label,
-			int64 amount,
+			const QString &value,
 			bool full = false) {
 		const auto &st = full
 			? st::paymentsFullPriceAmount
 			: st::paymentsPriceAmount;
-		const auto right = CreateChild<FlatLabel>(
-			layout.get(),
-			formatAmount(amount),
-			st);
+		const auto right = CreateChild<FlatLabel>(layout.get(), value, st);
 		const auto &padding = st::paymentsPricePadding;
 		const auto left = layout->add(
 			object_ptr<FlatLabel>(
@@ -220,6 +218,12 @@ void FormSummary::setupPrices(not_null<VerticalLayout*> layout) {
 			right->moveToRight(st::paymentsPricePadding.right(), top, width);
 		}, right->lifetime());
 	};
+	const auto add = [&](
+			const QString &label,
+			int64 amount,
+			bool full = false) {
+		addRow(label, formatAmount(amount), full);
+	};
 	for (const auto &price : _invoice.prices) {
 		add(price.label, price.price);
 	}
@@ -234,6 +238,15 @@ void FormSummary::setupPrices(not_null<VerticalLayout*> layout) {
 	}
 	add(tr::lng_payments_total_label(tr::now), computeTotalAmount(), true);
 	Settings::AddSkip(layout, st::paymentsPricesBottomSkip);
+	if (_invoice.receipt) {
+		Settings::AddDivider(layout);
+		Settings::AddSkip(layout, st::paymentsPricesBottomSkip);
+		addRow(
+			tr::lng_payments_date_label(tr::now),
+			langDateTime(base::unixtime::parse(_invoice.receipt.date)),
+			true);
+		Settings::AddSkip(layout, st::paymentsPricesBottomSkip);
+	}
 }
 
 void FormSummary::setupSections(not_null<VerticalLayout*> layout) {
@@ -244,13 +257,16 @@ void FormSummary::setupSections(not_null<VerticalLayout*> layout) {
 			const QString &label,
 			const style::icon *icon,
 			Fn<void()> handler) {
-		Settings::AddButtonWithLabel(
+		const auto button = Settings::AddButtonWithLabel(
 			layout,
 			std::move(title),
 			rpl::single(label),
 			st::paymentsSectionButton,
-			icon
-		)->addClickHandler(std::move(handler));
+			icon);
+		button->addClickHandler(std::move(handler));
+		if (_invoice.receipt) {
+			button->setAttribute(Qt::WA_TransparentForMouseEvents);
+		}
 	};
 	add(
 		tr::lng_payments_payment_method(),
diff --git a/Telegram/SourceFiles/payments/ui/payments_panel.cpp b/Telegram/SourceFiles/payments/ui/payments_panel.cpp
index d39a7ab697..f5c7015cc4 100644
--- a/Telegram/SourceFiles/payments/ui/payments_panel.cpp
+++ b/Telegram/SourceFiles/payments/ui/payments_panel.cpp
@@ -51,7 +51,9 @@ void Panel::showForm(
 		const RequestedInformation &current,
 		const PaymentMethodDetails &method,
 		const ShippingOptions &options) {
-	_widget->setTitle(tr::lng_payments_checkout_title());
+	_widget->setTitle(invoice.receipt
+		? tr::lng_payments_receipt_title()
+		: tr::lng_payments_checkout_title());
 	auto form = base::make_unique_q<FormSummary>(
 		_widget.get(),
 		invoice,
diff --git a/Telegram/SourceFiles/payments/ui/payments_panel_data.h b/Telegram/SourceFiles/payments/ui/payments_panel_data.h
index da920af39a..e530bf6b7c 100644
--- a/Telegram/SourceFiles/payments/ui/payments_panel_data.h
+++ b/Telegram/SourceFiles/payments/ui/payments_panel_data.h
@@ -21,11 +21,26 @@ struct Cover {
 	QImage thumbnail;
 };
 
+struct Receipt {
+	TimeId date = 0;
+	int64 totalAmount = 0;
+	QString currency;
+	bool paid = false;
+
+	[[nodiscard]] bool empty() const {
+		return !paid;
+	}
+	[[nodiscard]] explicit operator bool() const {
+		return !empty();
+	}
+};
+
 struct Invoice {
 	Cover cover;
 
 	std::vector<LabeledPrice> prices;
 	QString currency;
+	Receipt receipt;
 
 	bool isNameRequested = false;
 	bool isPhoneRequested = false;