taglistjob.cpp

/*
    This file is part of the KDE Baloo Project
    SPDX-FileCopyrightText: 2014-2015 Vishesh Handa <vhanda@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-or-later
*/
 
#include "taglistjob.h"
#include "global.h"
#include "database.h"
#include "transaction.h"
 
#include <QStringList>
 
using namespace Baloo;
 
class BALOO_CORE_NO_EXPORT TagListJob::Private {
public:
    QStringList tags;
};
 
TagListJob::TagListJob(QObject* parent)
    : KJob(parent)
    , d(new Private)
{
}
 
TagListJob::~TagListJob() = default;
 
void TagListJob::start()
{
    Database *db = globalDatabaseInstance();
 
    if (!db->open(Database::ReadOnlyDatabase)) {
        // if we have no index, we have no tags
        if (!db->isAvailable()) {
            emitResult();
            return;
        }
 
        setError(UserDefinedError);
        setErrorText(QStringLiteral("Failed to open the database"));
        emitResult();
        return;
    }
 
    QVector<QByteArray> tagList;
    {
        Transaction tr(db, Transaction::ReadOnly);
        tagList = tr.fetchTermsStartingWith("TAG-");
    }
    d->tags.reserve(tagList.size());
    for (const QByteArray& ba : std::as_const(tagList)) {
        d->tags << QString::fromUtf8(ba.mid(4));
    }
 
    emitResult();
}
 
QStringList TagListJob::tags()
{
    return d->tags;
}
 
#include "moc_taglistjob.cpp"