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Telegram/SourceFiles/payments/stripe/stripe_form_encoder.cpp

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "stripe/stripe_form_encoder.h"
+
+#include <QStringList>
+#include <QUrl>
+#include <vector>
+
+namespace Stripe {
+
+QByteArray FormEncoder::formEncodedDataForObject(
+		FormEncodable &&object) {
+	const auto root = object.rootObjectName();
+	const auto values = object.formFieldValues();
+	auto result = QByteArray();
+	auto keys = std::vector<QString>();
+	for (const auto &[key, value] : values) {
+		if (!value.isEmpty()) {
+			keys.push_back(key);
+		}
+	}
+	std::sort(begin(keys), end(keys));
+	const auto encode = [](const QString &value) {
+		return QUrl::toPercentEncoding(value);
+	};
+	for (const auto &key : keys) {
+		const auto fullKey = root.isEmpty() ? key : (root + '[' + key + ']');
+		if (!result.isEmpty()) {
+			result += '&';
+		}
+		result += encode(fullKey) + '=' + encode(values.at(key));
+	}
+	return result;
+}
+
+} // namespace Stripe