File indexing completed on 2024-04-21 03:51:45

 /*
     SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #include "modifiedfileindexer.h"
 #include "basicindexingjob.h"
 #include "fileindexerconfig.h"
 #include "idutils.h"
 
 #include "database.h"
 #include "transaction.h"
 
 #include <QMimeDatabase>
 #include <QFile>
 #include <QFileInfo>
 #include <QDateTime>
 
 using namespace Baloo;
 
 ModifiedFileIndexer::ModifiedFileIndexer(Database* db, const FileIndexerConfig* config, const QStringList& files)
     : m_db(db)
     , m_config(config)
     , m_files(files)
 {
     Q_ASSERT(m_db);
     Q_ASSERT(m_config);
     Q_ASSERT(!m_files.isEmpty());
 }
 
 void ModifiedFileIndexer::run()
 {
     QMimeDatabase mimeDb;
     BasicIndexingJob::IndexingLevel level = m_config->onlyBasicIndexing() ? BasicIndexingJob::NoLevel
         : BasicIndexingJob::MarkForContentIndexing;
 
     Transaction tr(m_db, Transaction::ReadWrite);
 
     for (const QString& filePath : std::as_const(m_files)) {
         Q_ASSERT(!filePath.endsWith(QLatin1Char('/')));
 
         QString fileName = filePath.mid(filePath.lastIndexOf(QLatin1Char('/')) + 1);
         if (!m_config->shouldFileBeIndexed(fileName)) {
             continue;
         }
 
         quint64 fileId = filePathToId(QFile::encodeName(filePath));
         if (!fileId) {
             continue;
         }
 
         // FIXME: Using QFileInfo over here is quite expensive!
         QFileInfo fileInfo(filePath);
         if (fileInfo.isSymLink()) {
             continue;
         }
 
         bool mTimeChanged;
         bool cTimeChanged;
         const bool isKnownFile = tr.hasDocument(fileId);
         if (isKnownFile) {
             DocumentTimeDB::TimeInfo timeInfo = tr.documentTimeInfo(fileId);
             mTimeChanged = timeInfo.mTime != fileInfo.lastModified().toSecsSinceEpoch();
             cTimeChanged = timeInfo.cTime != fileInfo.metadataChangeTime().toSecsSinceEpoch();
         } else {
             mTimeChanged = cTimeChanged = true;
         }
 
         if (!mTimeChanged && !cTimeChanged) {
             continue;
         }
 
         QString mimetype;
         if (fileInfo.isDir()) {
             // The folder ctime changes when the folder is created, when the folder is
             // renamed, or when the xattrs (tags, comments, ...) change
             if (!cTimeChanged) {
                 continue;
             }
             mimetype = QStringLiteral("inode/directory");
 
         } else {
             mimetype = mimeDb.mimeTypeForFile(filePath, QMimeDatabase::MatchExtension).name();
         }
 
         // Only mTime changed
         if (!cTimeChanged) {
             Document doc;
             doc.setId(fileId);
             doc.setMTime(fileInfo.lastModified().toSecsSinceEpoch());
             doc.setCTime(fileInfo.metadataChangeTime().toSecsSinceEpoch());
             if (level == BasicIndexingJob::MarkForContentIndexing) {
                 doc.setContentIndexing(true);
             }
 
             tr.replaceDocument(doc, DocumentTime);
             continue;
         }
 
         BasicIndexingJob job(filePath, mimetype, level);
         if (!job.index()) {
             continue;
         }
 
         // We can get modified events for files which do not yet exist in the database
         // because Baloo was not running and missed the creation events
         if (isKnownFile && (job.document().id() == fileId)) {
             tr.replaceDocument(job.document(), XAttrTerms | DocumentTime | FileNameTerms | DocumentUrl);
         } else {
             tr.addDocument(job.document());
         }
     }
 
     tr.commit();
     Q_EMIT done();
 }
 
 #include "moc_modifiedfileindexer.cpp"