qmlpaging.h

#ifndef QTRESTCLIENT_QMLPAGING_H
#define QTRESTCLIENT_QMLPAGING_H
 
#include <QtCore/QObject>
#include <QtQml/QJSValue>
#include <QtRestClient/IPaging>
#include <QtRestClient/RestReply>
#include <QtRestClient/RestClient>
#include <QJSEngine>
 
#ifdef DOXYGEN_RUN
namespace de::skycoder42::QtRestClient {
 
class Paging
#else
namespace QtRestClient {
 
class QmlPaging
#endif
{
    Q_GADGET
 
    Q_PROPERTY(bool valid READ isValid CONSTANT)
    Q_PROPERTY(QVariantList items READ items CONSTANT)
    Q_PROPERTY(int total READ total CONSTANT)
    Q_PROPERTY(int offset READ offset CONSTANT)
    Q_PROPERTY(bool hasNext READ hasNext CONSTANT)
    Q_PROPERTY(QUrl nextUrl READ nextUrl CONSTANT)
    Q_PROPERTY(bool hasPrevious READ hasPrevious CONSTANT)
    Q_PROPERTY(QUrl previousUrl READ previousUrl CONSTANT)
    Q_PROPERTY(QVariantMap properties READ properties CONSTANT)
 
public:
    explicit QmlPaging() = default;
    explicit QmlPaging(IPaging *iPaging, RestClient *client, QJSEngine *engine);
 
    static QmlPaging create(RestClient *client, QJSEngine *engine, const RestReply::DataType &data);
 
    bool isValid() const;
 
    Q_INVOKABLE QtRestClient::RestReply *next();
    Q_INVOKABLE QtRestClient::RestReply *previous();
 
    QVariantList items() const;
    int total() const;
    int offset() const;
    bool hasNext() const;
    QUrl nextUrl() const;
    bool hasPrevious() const;
    QUrl previousUrl() const;
    QVariantMap properties() const;
 
public Q_SLOTS:
    void iterate(const QJSValue &iterator,
                 int to = -1, int from = 0);
    void iterate(const QJSValue &iterator,
                 const QJSValue &failureHandler,
                 const QJSValue &errorHandler,
                 int to = -1, int from = 0);
 
private:
    QJSEngine *_engine = nullptr;
    RestClient *_client = nullptr;
    QSharedPointer<IPaging> _paging;
 
    int internalIterate(QJSValue iterator, int from, int to) const;
};
 
}
 
Q_DECLARE_METATYPE(QtRestClient::QmlPaging)
 
#endif // QTRESTCLIENT_QMLPAGING_H