| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include <QtGrpcQuick/qqmlgrpcfunctionalhandlers.h> |
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| 5 | |
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| 6 | QT_BEGIN_NAMESPACE |
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| 7 | |
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| 8 | namespace QtGrpcQuickFunctional { |
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| 9 | |
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| 10 | void handleDeserializationError(QJSEngine *jsEngine, const QJSValue &errorCallback) |
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| 11 | { |
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| 12 | if (!errorCallback.isCallable()) |
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| 13 | return; |
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| 14 | using StatusCode = QtGrpc::StatusCode; |
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| 15 | const auto status = QGrpcStatus{ StatusCode::InvalidArgument, |
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| 16 | "Unable to deserialize return value" }; |
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| 17 | errorCallback.call(args: QJSValueList{ jsEngine->toScriptValue(value: status) }); |
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| 18 | } |
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| 19 | |
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| 20 | bool checkReceivedStatus(QJSEngine *jsEngine, const QGrpcStatus &status, |
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| 21 | const QJSValue &errorCallback) |
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| 22 | { |
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| 23 | Q_ASSERT(jsEngine != nullptr); |
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| 24 | |
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| 25 | if (status.isOk()) |
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| 26 | return true; |
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| 27 | |
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| 28 | if (errorCallback.isCallable()) |
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| 29 | errorCallback.call(args: QJSValueList{ jsEngine->toScriptValue(value: status) }); |
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| 30 | return false; |
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| 31 | } |
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| 32 | |
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| 33 | void connectMultipleReceiveOperationFinished(QJSEngine *jsEngine, |
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| 34 | std::unique_ptr<QGrpcOperation> &&operation, |
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| 35 | const QJSValue &successCallback, |
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| 36 | const QJSValue &errorCallback) |
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| 37 | { |
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| 38 | auto *operationPtr = operation.get(); |
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| 39 | QtGrpcQuickFunctional::validateEngineAndOperation(jsEngine, operation: operationPtr); |
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| 40 | |
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| 41 | auto finishConnection = std::make_shared<QMetaObject::Connection>(); |
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| 42 | *finishConnection = QObject::connect(sender: operationPtr, signal: &QGrpcOperation::finished, context: jsEngine, |
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| 43 | slot: [successCallback, errorCallback, jsEngine, |
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| 44 | finishConnection, |
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| 45 | operation = std::move(operation)](const QGrpcStatus |
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| 46 | &status) { |
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| 47 | // We take 'operation' by copy so that its lifetime |
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| 48 | // is extended until this lambda is destroyed. |
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| 49 | if (QtGrpcQuickFunctional:: |
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| 50 | checkReceivedStatus(jsEngine, status, |
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| 51 | errorCallback) |
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| 52 | && successCallback.isCallable()) { |
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| 53 | successCallback.call(); |
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| 54 | } |
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| 55 | QObject::disconnect(*finishConnection); |
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| 56 | }); |
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| 57 | } |
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| 58 | |
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| 59 | void handleReceivedMessageImpl(QJSEngine *jsEngine, std::optional<QJSValue> message, |
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| 60 | const QJSValue &successCallback, const QJSValue &errorCallback) |
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| 61 | { |
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| 62 | if (!successCallback.isCallable()) |
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| 63 | return; |
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| 64 | |
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| 65 | if (message) |
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| 66 | successCallback.call(args: QJSValueList{ *message }); |
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| 67 | else |
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| 68 | QtGrpcQuickFunctional::handleDeserializationError(jsEngine, errorCallback); |
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| 69 | } |
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| 70 | |
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| 71 | } // namespace QtGrpcQuickFunctional |
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| 72 | |
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| 73 | QT_END_NAMESPACE |
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| 74 | |
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