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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtGrpcQuick/qqmlgrpcfunctionalhandlers.h>
QT_BEGIN_NAMESPACE
namespace QtGrpcQuickFunctional {
void handleDeserializationError(QJSEngine *jsEngine, const QJSValue &errorCallback)
{
if (!errorCallback.isCallable())
return;
using StatusCode = QtGrpc::StatusCode;
const auto status = QGrpcStatus{ StatusCode::InvalidArgument,
"Unable to deserialize return value" };
errorCallback.call(QJSValueList{ jsEngine->toScriptValue(status) });
}
bool checkReceivedStatus(QJSEngine *jsEngine, const QGrpcStatus &status,
const QJSValue &errorCallback)
{
Q_ASSERT(jsEngine != nullptr);
if (status.isOk())
return true;
if (errorCallback.isCallable())
errorCallback.call(QJSValueList{ jsEngine->toScriptValue(status) });
return false;
}
void connectMultipleReceiveOperationFinished(QJSEngine *jsEngine,
std::unique_ptr<QGrpcOperation> &&operation,
const QJSValue &successCallback,
const QJSValue &errorCallback)
{
auto *operationPtr = operation.get();
QtGrpcQuickFunctional::validateEngineAndOperation(jsEngine, operationPtr);
QObject::connect(
operationPtr, &QGrpcOperation::finished, jsEngine,
[successCallback, errorCallback, jsEngine,
operation = std::move(operation)](const QGrpcStatus &status) {
// We take 'operation' by copy so that its lifetime
// is extended until this lambda is destroyed.
if (QtGrpcQuickFunctional::checkReceivedStatus(jsEngine, status, errorCallback)
&& successCallback.isCallable()) {
successCallback.call();
}
},
Qt::SingleShotConnection);
}
void handleReceivedMessageImpl(QJSEngine *jsEngine, std::optional<QJSValue> message,
const QJSValue &successCallback, const QJSValue &errorCallback)
{
if (!successCallback.isCallable())
return;
if (message)
successCallback.call(QJSValueList{ *message });
else
QtGrpcQuickFunctional::handleDeserializationError(jsEngine, errorCallback);
}
void Private::connectSingleReceiveOperationFinishedImpl(QJSEngine *jsEngine,
HandleReceivedMessageImpl impl,
std::unique_ptr<QGrpcOperation> &&operation,
const QJSValue &successCallback,
const QJSValue &errorCallback)
{
auto *operationPtr = operation.get();
QtGrpcQuickFunctional::validateEngineAndOperation(jsEngine, operationPtr);
QObject::connect(
operationPtr, &QGrpcCallReply::finished, jsEngine,
[jsEngine, successCallback, errorCallback, impl,
operation = std::move(operation)](const QGrpcStatus &status) {
// We take 'operation' by copy so that its lifetime
// is extended until this lambda is destroyed.
if (QtGrpcQuickFunctional::checkReceivedStatus(jsEngine, status, errorCallback))
impl(jsEngine, operation.get(), successCallback, errorCallback);
},
Qt::SingleShotConnection);
}
void Private::makeServerStreamConnectionsImpl(QJSEngine *jsEngine,
HandleReceivedMessageImpl impl,
std::unique_ptr<QGrpcServerStream> &&stream,
const QJSValue &messageCallback,
const QJSValue &finishCallback,
const QJSValue &errorCallback)
{
QObject::connect(stream.get(), &QGrpcServerStream::messageReceived, jsEngine,
[streamPtr = stream.get(), impl, messageCallback, jsEngine, errorCallback]() {
impl(jsEngine, streamPtr, messageCallback, errorCallback);
});
QtGrpcQuickFunctional::connectMultipleReceiveOperationFinished(jsEngine, std::move(stream),
finishCallback, errorCallback);
}
} // namespace QtGrpcQuickFunctional
QT_END_NAMESPACE
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