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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtAddOn.JsonDb module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "jsondbephemeralpartition.h"
#include "jsondbobject.h"
#include "jsondbquery.h"
#include "jsondbresponse.h"
#include "jsondb-error.h"
#include "jsondb-strings.h"
#include <qjsonobject.h>
QT_BEGIN_NAMESPACE_JSONDB
JsonDbEphemeralPartition::JsonDbEphemeralPartition(const QString &name, QObject *parent) :
QObject(parent)
, mName(name)
{
}
bool JsonDbEphemeralPartition::get(const QUuid &uuid, JsonDbObject *result) const
{
ObjectMap::const_iterator it = mObjects.find(uuid);
if (it == mObjects.end())
return false;
if (result)
*result = it.value();
return true;
}
JsonDbQueryResult JsonDbEphemeralPartition::queryObjects(const JsonDbOwner *owner, const JsonDbQuery *query, int limit, int offset)
{
Q_UNUSED(owner);
if (!query->orderTerms.isEmpty())
return JsonDbQueryResult::makeErrorResponse(JsonDbError::InvalidMessage,
QLatin1String("Cannot query with order term on ephemeral objects"));
if (limit != -1 || offset != 0)
return JsonDbQueryResult::makeErrorResponse(JsonDbError::InvalidMessage,
QLatin1String("Cannot query with limit or offset on ephemeral objects"));
JsonDbObjectList results;
ObjectMap::const_iterator it, e;
for (it = mObjects.begin(), e = mObjects.end(); it != e; ++it) {
QJsonObject object = it.value();
if (query->match(object, 0, 0))
results.append(object);
}
QJsonArray sortKeys;
sortKeys.append(QLatin1String("_uuid"));
JsonDbQueryResult result;
result.length = results.size();
result.offset = offset;
result.data = results;
result.state = 0;
result.sortKeys = sortKeys;
return result;
}
JsonDbWriteResult JsonDbEphemeralPartition::updateObjects(const JsonDbOwner *owner, const JsonDbObjectList &objects, JsonDbPartition::WriteMode mode)
{
JsonDbWriteResult result;
QList<JsonDbUpdate> updated;
foreach (const JsonDbObject &toUpdate, objects) {
JsonDbObject object = toUpdate;
JsonDbObject oldObject;
if (mObjects.contains(object.uuid()))
oldObject = mObjects[object.uuid()];
JsonDbNotification::Action action = JsonDbNotification::Update;
if (object.uuid().isNull())
object.generateUuid();
// FIXME: stale update rejection, access control
if (object.value(JsonDbString::kDeletedStr).toBool()) {
if (mObjects.contains(object.uuid())) {
action = JsonDbNotification::Delete;
mObjects.remove(object.uuid());
} else {
result.code = JsonDbError::MissingObject;
result.message = QLatin1String("Cannot remove non-existing object");
return result;
}
} else {
if (!mObjects.contains(object.uuid()))
action = JsonDbNotification::Create;
// TODO: maybe be this somewhere else so that it doesn't pollute this code
if (object.type() == JsonDbString::kNotificationTypeStr &&
object.value(JsonDbString::kQueryStr).toString().isEmpty()) {
result.code = JsonDbError::MissingQuery;
result.message = QLatin1String("Notification objects must contain a query paramater");
return result;
}
object.insert(JsonDbString::kOwnerStr, owner->ownerId());
object.computeVersion();
mObjects[object.uuid()] = object;
}
result.objectsWritten.append(object);
updated.append(JsonDbUpdate(oldObject, object, action));
}
emit objectsUpdated(updated);
return result;
}
QT_END_NAMESPACE_JSONDB
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