File indexing completed on 2024-04-14 03:49:46

 /*
     This file is part of the KDE Project
     SPDX-FileCopyrightText: 2009-2011 Sebastian Trueg <trueg@kde.org>
     SPDX-FileCopyrightText: 2013-2014 Vishesh Handa <vhanda@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "metadatamover.h"
 #include "database.h"
 #include "termgenerator.h"
 #include "transaction.h"
 #include "baloodebug.h"
 
 #include <QFile>
 
 using namespace Baloo;
 
 MetadataMover::MetadataMover(Database* db, QObject* parent)
     : QObject(parent)
     , m_db(db)
 {
 }
 
 MetadataMover::~MetadataMover()
 {
 }
 
 void MetadataMover::moveFileMetadata(const QString& from, const QString& to)
 {
 //    qCDebug(BALOO) << from << to;
     Q_ASSERT(!from.isEmpty() && from != QLatin1String("/"));
     Q_ASSERT(!to.isEmpty() && to != QLatin1String("/"));
 
     Transaction tr(m_db, Transaction::ReadWrite);
 
     // We do NOT get deleted messages for overwritten files! Thus, we
     // have to remove all metadata for overwritten files first.
     removeMetadata(&tr, to);
 
     // and finally update the old statements
     updateMetadata(&tr, from, to);
 
     tr.commit();
 }
 
 void MetadataMover::removeFileMetadata(const QString& file)
 {
     Q_ASSERT(!file.isEmpty() && file != QLatin1String("/"));
 
     Transaction tr(m_db, Transaction::ReadWrite);
     removeMetadata(&tr, file);
     tr.commit();
 }
 
 void MetadataMover::removeMetadata(Transaction* tr, const QString& url)
 {
     Q_ASSERT(!url.isEmpty());
 
     quint64 id = tr->documentId(QFile::encodeName(url));
     if (!id) {
         Q_EMIT fileRemoved(url);
         return;
     }
 
     bool isDir = url.endsWith(QLatin1Char('/'));
     if (!isDir) {
         tr->removeDocument(id);
     } else {
         tr->removeRecursively(id);
     }
 
     Q_EMIT fileRemoved(url);
 }
 
 void MetadataMover::updateMetadata(Transaction* tr, const QString& from, const QString& to)
 {
     qCDebug(BALOO) << from << "->" << to;
     Q_ASSERT(!from.isEmpty() && !to.isEmpty());
     Q_ASSERT(from[from.size()-1] != QLatin1Char('/'));
     Q_ASSERT(to[to.size()-1] != QLatin1Char('/'));
 
     const QByteArray fromPath = QFile::encodeName(from);
     quint64 id = tr->documentId(fromPath);
     if (!id) {
         qCDebug(BALOO) << "Document not (yet) known, signaling newFile" << to;
         Q_EMIT movedWithoutData(to);
         return;
     }
 
     const QByteArray toPath = QFile::encodeName(to);
     auto lastSlash = toPath.lastIndexOf('/');
     const QByteArray parentPath = toPath.left(lastSlash + 1);
 
     quint64 parentId = tr->documentId(parentPath);
     if (!parentId) {
         qCDebug(BALOO) << "Parent directory not (yet) known, signaling newFile" << to;
         Q_EMIT movedWithoutData(QFile::decodeName(parentPath));
         return;
     }
 
     Document doc;
 
     const QByteArray fileName = toPath.mid(lastSlash + 1);
     TermGenerator tg(doc);
     tg.indexFileNameText(QFile::decodeName(fileName));
 
     doc.setId(id);
     doc.setParentId(parentId);
     doc.setUrl(toPath);
     tr->replaceDocument(doc, DocumentUrl | FileNameTerms);
 
     // Possible scenarios
     // 1. file moves to the same device - id is preserved
     // 2. file moves to a different device - id is not preserved
 }
 
 #include "moc_metadatamover.cpp"