In-App purchasing demo | Qt 6.2

- Qt 6.2
- In-App purchasing demo
- Qt 6.2.3 Reference Documentation

# In-App purchasing demo

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     #ifndef INAPPTRANSACTION_H
     #define INAPPTRANSACTION_H

     #include <QtCore/qobject.h>
     #include <QtCore/qsharedpointer.h>
     #include <QDateTime>
     #include <QtQml/qqml.h>

     #include "inappproduct.h"

     class InAppProduct;
     class InAppTransactionPrivate;
     class InAppTransaction: public QObject
     {
         Q_OBJECT
         Q_PROPERTY(TransactionStatus status READ status CONSTANT)
         Q_PROPERTY(InAppProduct* product READ product CONSTANT)
         Q_PROPERTY(QString orderId READ orderId CONSTANT)
         Q_PROPERTY(FailureReason failureReason READ failureReason CONSTANT)
         Q_PROPERTY(QString errorString READ errorString CONSTANT)
         Q_PROPERTY(QDateTime timestamp READ timestamp CONSTANT)
         QML_NAMED_ELEMENT(Transaction)
         QML_UNAVAILABLE

     public:
         enum TransactionStatus {
             Unknown,
             PurchaseApproved,
             PurchaseFailed,
             PurchaseRestored
         };
         Q_ENUM(TransactionStatus);

         enum FailureReason {
             NoFailure,
             CanceledByUser,
             ErrorOccurred
         };
         Q_ENUM(FailureReason);

         ~InAppTransaction();

         InAppProduct *product() const;

         virtual QString orderId() const;
         virtual FailureReason failureReason() const;
         virtual QString errorString() const;
         virtual QDateTime timestamp() const;

         Q_INVOKABLE virtual void finalize() = 0;
         Q_INVOKABLE virtual QString platformProperty(const QString &propertyName) const;

         TransactionStatus status() const;

     protected:
         explicit InAppTransaction(TransactionStatus status,
                                    InAppProduct *product,
                                    QObject *parent = nullptr);

     private:
         Q_DISABLE_COPY(InAppTransaction)
         QSharedPointer<InAppTransactionPrivate> d;
     };

     #endif // INAPPTRANSACTION_H