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