void MusicSearchEngine::doSearch()
{
qDebug() << Q_FUNC_INFO;
emit aboutToSearch();
_db.init();
QSqlQuery cleanDb(_db);
cleanDb.setForwardOnly(true);
//cleanDb.exec("DELETE FROM tracks WHERE uri LIKE 'file:%'");
//cleanDb.exec("DELETE FROM albums WHERE id NOT IN (SELECT DISTINCT albumId FROM tracks)");
//cleanDb.exec("DELETE FROM artists WHERE id NOT IN (SELECT DISTINCT artistId FROM tracks)");
cleanDb.exec("DELETE FROM tracks");
cleanDb.exec("DELETE FROM albums");
cleanDb.exec("DELETE FROM artists");
cleanDb.exec("DROP INDEX indexArtist");
cleanDb.exec("DROP INDEX indexAlbum");
cleanDb.exec("DROP INDEX indexPath");
cleanDb.exec("DROP INDEX indexArtistId");
cleanDb.exec("DROP INDEX indexAlbumId");
_db.transaction();
MusicSearchEngine::isScanning = true;
QList<QDir> locations;
QStringList pathsToSearch = _delta.isEmpty() ? SettingsPrivate::instance()->musicLocations() : _delta;
for (QString musicPath : pathsToSearch) {
QDir location(musicPath);
location.setFilter(QDir::AllDirs | QDir::Files | QDir::Hidden | QDir::NoDotAndDotDot);
locations.append(location);
}
int entryCount = 0;
// QDirIterator class is very fast to scan large directories
for (QDir location : locations) {
QDirIterator it(location.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (it.hasNext()) {
it.next();
entryCount++;
}
}
int currentEntry = 0;
int percent = 1;
bool atLeastOneAudioFileWasFound = false;
bool isNewDirectory = false;
QString coverPath;
QString lastFileScannedNextToCover;
QStringList suffixes = FileHelper::suffixes(FileHelper::All);
for (QDir location : locations) {
QDirIterator it(location.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (it.hasNext()) {
QString entry = it.next();
QFileInfo qFileInfo(entry);
currentEntry++;
// Directory has changed: we can discard cover
if (qFileInfo.isDir()) {
if (!coverPath.isEmpty() && !lastFileScannedNextToCover.isEmpty()) {
_db.saveCoverRef(coverPath, lastFileScannedNextToCover);
coverPath.clear();
}
isNewDirectory = true;
atLeastOneAudioFileWasFound = false;
lastFileScannedNextToCover.clear();
continue;
} else if (qFileInfo.suffix().toLower() == "jpg" || qFileInfo.suffix().toLower() == "png") {
if (atLeastOneAudioFileWasFound) {
coverPath = qFileInfo.absoluteFilePath();
_db.saveCoverRef(coverPath, lastFileScannedNextToCover);
coverPath.clear();
} else if (isNewDirectory) {
coverPath = qFileInfo.absoluteFilePath();
}
} else if (suffixes.contains(qFileInfo.suffix())) {
_db.saveFileRef(qFileInfo.absoluteFilePath());
atLeastOneAudioFileWasFound = true;
lastFileScannedNextToCover = qFileInfo.absoluteFilePath();
isNewDirectory = false;
}
if (currentEntry * 100 / entryCount > percent) {
percent = currentEntry * 100 / entryCount;
emit progressChanged(percent);
qApp->processEvents();
}
}
atLeastOneAudioFileWasFound = false;
}
_db.commit();
QSqlQuery index(_db);
index.exec("CREATE INDEX IF NOT EXISTS indexArtist ON tracks (artistId)");
index.exec("CREATE INDEX IF NOT EXISTS indexAlbum ON tracks (albumId)");
index.exec("CREATE INDEX IF NOT EXISTS indexPath ON tracks (uri)");
index.exec("CREATE INDEX IF NOT EXISTS indexArtistId ON artists (id)");
index.exec("CREATE INDEX IF NOT EXISTS indexAlbumId ON albums (id)");
// Resync remote players and remote databases
//emit aboutToResyncRemoteSources();
MusicSearchEngine::isScanning = false;
emit searchHasEnded();
this->deleteLater();
}
void MusicSearchEngine::doSearch(const QStringList &delta)
{
//qDebug() << Q_FUNC_INFO << delta;
MusicSearchEngine::isScanning = true;
QList<QDir> locations;
QStringList pathsToSearch = delta.isEmpty() ? SettingsPrivate::instance()->musicLocations() : delta;
for (QString musicPath : pathsToSearch) {
QDir location(musicPath);
location.setFilter(QDir::AllDirs | QDir::Files | QDir::Hidden | QDir::NoDotAndDotDot);
locations.append(location);
}
int entryCount = 0;
// QDirIterator class is very fast to scan large directories
for (QDir location : locations) {
QDirIterator it(location.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (it.hasNext()) {
it.next();
entryCount++;
}
}
int currentEntry = 0;
int percent = 1;
bool atLeastOneAudioFileWasFound = false;
bool isNewDirectory = false;
QString coverPath;
QString lastFileScannedNextToCover;
QStringList suffixes = FileHelper::suffixes(FileHelper::All);
for (QDir location : locations) {
QDirIterator it(location.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (it.hasNext()) {
QString entry = it.next();
QFileInfo qFileInfo(entry);
currentEntry++;
// Directory has changed: we can discard cover
if (qFileInfo.isDir()) {
if (!coverPath.isEmpty() && !lastFileScannedNextToCover.isEmpty()) {
emit scannedCover(coverPath, lastFileScannedNextToCover);
coverPath.clear();
}
isNewDirectory = true;
atLeastOneAudioFileWasFound = false;
lastFileScannedNextToCover.clear();
continue;
} else if (qFileInfo.suffix().toLower() == "jpg" || qFileInfo.suffix().toLower() == "png") {
if (atLeastOneAudioFileWasFound) {
coverPath = qFileInfo.absoluteFilePath();
emit scannedCover(coverPath, lastFileScannedNextToCover);
coverPath.clear();
} else if (isNewDirectory) {
coverPath = qFileInfo.absoluteFilePath();
}
} else if (suffixes.contains(qFileInfo.suffix())) {
emit scannedFile(qFileInfo.absoluteFilePath());
atLeastOneAudioFileWasFound = true;
lastFileScannedNextToCover = qFileInfo.absoluteFilePath();
isNewDirectory = false;
}
if (currentEntry * 100 / entryCount > percent) {
percent = currentEntry * 100 / entryCount;
emit progressChanged(percent);
}
}
atLeastOneAudioFileWasFound = false;
}
emit searchHasEnded();
MusicSearchEngine::isScanning = false;
}
