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strawberry-audio-player-win.../src/collection/collectionbackend.cpp

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/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <cassert>
#include <QtGlobal>
#include <QObject>
#include <QApplication>
#include <QThread>
#include <QMutex>
#include <QSet>
#include <QMap>
#include <QVector>
#include <QVariant>
#include <QByteArray>
#include <QString>
#include <QStringList>
#include <QUrl>
#include <QFileInfo>
#include <QDateTime>
#include <QRegularExpression>
#include <QSqlDatabase>
#include <QSqlQuery>
#include "core/logging.h"
#include "core/database.h"
#include "core/scopedtransaction.h"
#include "smartplaylists/smartplaylistsearch.h"
#include "directory.h"
#include "collectionbackend.h"
#include "collectionquery.h"
#include "sqlrow.h"
CollectionBackend::CollectionBackend(QObject *parent) :
CollectionBackendInterface(parent),
db_(nullptr),
original_thread_(nullptr) {
original_thread_ = thread();
}
void CollectionBackend::Init(Database *db, const Song::Source source, const QString &songs_table, const QString &dirs_table, const QString &subdirs_table, const QString &fts_table) {
db_ = db;
source_ = source;
songs_table_ = songs_table;
dirs_table_ = dirs_table;
subdirs_table_ = subdirs_table;
fts_table_ = fts_table;
}
void CollectionBackend::Close() {
if (db_) {
QMutexLocker l(db_->Mutex());
db_->Close();
}
}
void CollectionBackend::ExitAsync() {
metaObject()->invokeMethod(this, "Exit", Qt::QueuedConnection);
}
void CollectionBackend::Exit() {
assert(QThread::currentThread() == thread());
moveToThread(original_thread_);
emit ExitFinished();
}
void CollectionBackend::LoadDirectoriesAsync() {
metaObject()->invokeMethod(this, "LoadDirectories", Qt::QueuedConnection);
}
void CollectionBackend::UpdateTotalSongCountAsync() {
metaObject()->invokeMethod(this, "UpdateTotalSongCount", Qt::QueuedConnection);
}
void CollectionBackend::UpdateTotalArtistCountAsync() {
metaObject()->invokeMethod(this, "UpdateTotalArtistCount", Qt::QueuedConnection);
}
void CollectionBackend::UpdateTotalAlbumCountAsync() {
metaObject()->invokeMethod(this, "UpdateTotalAlbumCount", Qt::QueuedConnection);
}
void CollectionBackend::IncrementPlayCountAsync(const int id) {
metaObject()->invokeMethod(this, "IncrementPlayCount", Qt::QueuedConnection, Q_ARG(int, id));
}
void CollectionBackend::IncrementSkipCountAsync(const int id, const float progress) {
metaObject()->invokeMethod(this, "IncrementSkipCount", Qt::QueuedConnection, Q_ARG(int, id), Q_ARG(float, progress));
}
void CollectionBackend::ResetStatisticsAsync(const int id) {
metaObject()->invokeMethod(this, "ResetStatistics", Qt::QueuedConnection, Q_ARG(int, id));
}
void CollectionBackend::LoadDirectories() {
DirectoryList dirs = GetAllDirectories();
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
for (const Directory &dir : dirs) {
emit DirectoryDiscovered(dir, SubdirsInDirectory(dir.id, db));
}
}
void CollectionBackend::ChangeDirPath(const int id, const QString &old_path, const QString &new_path) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
ScopedTransaction t(&db);
// Do the dirs table
{
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET path=:path WHERE ROWID=:id").arg(dirs_table_));
q.bindValue(":path", new_path);
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
}
const QByteArray old_url = QUrl::fromLocalFile(old_path).toEncoded();
const QByteArray new_url = QUrl::fromLocalFile(new_path).toEncoded();
const int path_len = old_url.length();
// Do the subdirs table
{
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET path=:path || substr(path, %2) WHERE directory=:id").arg(subdirs_table_).arg(path_len));
q.bindValue(":path", new_url);
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
}
// Do the songs table
{
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET url=:path || substr(url, %2) WHERE directory=:id").arg(songs_table_).arg(path_len));
q.bindValue(":path", new_url);
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
}
t.Commit();
}
DirectoryList CollectionBackend::GetAllDirectories() {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
DirectoryList ret;
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, path FROM %1").arg(dirs_table_));
q.exec();
if (db_->CheckErrors(q)) return ret;
while (q.next()) {
Directory dir;
dir.id = q.value(0).toInt();
dir.path = q.value(1).toString();
ret << dir;
}
return ret;
}
SubdirectoryList CollectionBackend::SubdirsInDirectory(const int id) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db = db_->Connect();
return SubdirsInDirectory(id, db);
}
SubdirectoryList CollectionBackend::SubdirsInDirectory(const int id, QSqlDatabase &db) {
QSqlQuery q(db);
q.prepare(QString("SELECT path, mtime FROM %1 WHERE directory_id = :dir").arg(subdirs_table_));
q.bindValue(":dir", id);
q.exec();
if (db_->CheckErrors(q)) return SubdirectoryList();
SubdirectoryList subdirs;
while (q.next()) {
Subdirectory subdir;
subdir.directory_id = id;
subdir.path = q.value(0).toString();
subdir.mtime = q.value(1).toLongLong();
subdirs << subdir;
}
return subdirs;
}
void CollectionBackend::UpdateTotalSongCount() {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT COUNT(*) FROM %1 WHERE unavailable = 0").arg(songs_table_));
q.exec();
if (db_->CheckErrors(q)) return;
if (!q.next()) return;
emit TotalSongCountUpdated(q.value(0).toInt());
}
void CollectionBackend::UpdateTotalArtistCount() {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT COUNT(DISTINCT artist) FROM %1 WHERE unavailable = 0").arg(songs_table_));
q.exec();
if (db_->CheckErrors(q)) return;
if (!q.next()) return;
emit TotalArtistCountUpdated(q.value(0).toInt());
}
void CollectionBackend::UpdateTotalAlbumCount() {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT COUNT(*) FROM (SELECT DISTINCT effective_albumartist, album FROM %1 WHERE unavailable = 0)").arg(songs_table_));
q.exec();
if (db_->CheckErrors(q)) return;
if (!q.next()) return;
emit TotalAlbumCountUpdated(q.value(0).toInt());
}
void CollectionBackend::AddDirectory(const QString &path) {
QString canonical_path = QFileInfo(path).canonicalFilePath();
QString db_path = canonical_path;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("INSERT INTO %1 (path, subdirs) VALUES (:path, 1)").arg(dirs_table_));
q.bindValue(":path", db_path);
q.exec();
if (db_->CheckErrors(q)) return;
Directory dir;
dir.path = canonical_path;
dir.id = q.lastInsertId().toInt();
emit DirectoryDiscovered(dir, SubdirectoryList());
}
void CollectionBackend::RemoveDirectory(const Directory &dir) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Remove songs first
DeleteSongs(FindSongsInDirectory(dir.id));
ScopedTransaction transaction(&db);
// Delete the subdirs that were in this directory
QSqlQuery q(db);
q.prepare(QString("DELETE FROM %1 WHERE directory_id = :id").arg(subdirs_table_));
q.bindValue(":id", dir.id);
q.exec();
if (db_->CheckErrors(q)) return;
// Now remove the directory itself
q = QSqlQuery(db);
q.prepare(QString("DELETE FROM %1 WHERE ROWID = :id").arg(dirs_table_));
q.bindValue(":id", dir.id);
q.exec();
if (db_->CheckErrors(q)) return;
emit DirectoryDeleted(dir);
transaction.Commit();
}
SongList CollectionBackend::FindSongsInDirectory(const int id) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE directory_id = :directory_id").arg(songs_table_));
q.bindValue(":directory_id", id);
q.exec();
if (db_->CheckErrors(q)) return SongList();
SongList ret;
while (q.next()) {
Song song(source_);
song.InitFromQuery(q, true);
ret << song;
}
return ret;
}
void CollectionBackend::SongPathChanged(const Song &song, const QFileInfo &new_file) {
// Take a song and update its path
Song updated_song = song;
updated_song.InitFromFilePartial(new_file.absoluteFilePath());
updated_song.set_source(source_);
SongList updated_songs;
updated_songs << updated_song;
AddOrUpdateSongs(updated_songs);
}
void CollectionBackend::AddOrUpdateSubdirs(const SubdirectoryList &subdirs) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery find_query(db);
find_query.prepare(QString("SELECT ROWID FROM %1 WHERE directory_id = :id AND path = :path").arg(subdirs_table_));
QSqlQuery add_query(db);
add_query.prepare(QString("INSERT INTO %1 (directory_id, path, mtime) VALUES (:id, :path, :mtime)").arg(subdirs_table_));
QSqlQuery update_query(db);
update_query.prepare(QString("UPDATE %1 SET mtime = :mtime WHERE directory_id = :id AND path = :path").arg(subdirs_table_));
QSqlQuery delete_query(db);
delete_query.prepare(QString("DELETE FROM %1 WHERE directory_id = :id AND path = :path").arg(subdirs_table_));
ScopedTransaction transaction(&db);
for (const Subdirectory &subdir : subdirs) {
if (subdir.mtime == 0) {
// Delete the subdirectory
delete_query.bindValue(":id", subdir.directory_id);
delete_query.bindValue(":path", subdir.path);
delete_query.exec();
db_->CheckErrors(delete_query);
}
else {
// See if this subdirectory already exists in the database
find_query.bindValue(":id", subdir.directory_id);
find_query.bindValue(":path", subdir.path);
find_query.exec();
if (db_->CheckErrors(find_query)) continue;
if (find_query.next()) {
update_query.bindValue(":mtime", subdir.mtime);
update_query.bindValue(":id", subdir.directory_id);
update_query.bindValue(":path", subdir.path);
update_query.exec();
db_->CheckErrors(update_query);
}
else {
add_query.bindValue(":id", subdir.directory_id);
add_query.bindValue(":path", subdir.path);
add_query.bindValue(":mtime", subdir.mtime);
add_query.exec();
db_->CheckErrors(add_query);
}
}
}
transaction.Commit();
}
void CollectionBackend::AddOrUpdateSongsAsync(const SongList &songs) {
metaObject()->invokeMethod(this, "AddOrUpdateSongs", Qt::QueuedConnection, Q_ARG(SongList, songs));
}
void CollectionBackend::AddOrUpdateSongs(const SongList &songs) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery check_dir(db);
check_dir.prepare(QString("SELECT ROWID FROM %1 WHERE ROWID = :id").arg(dirs_table_));
QSqlQuery add_song(db);
add_song.prepare(QString("INSERT INTO %1 (" + Song::kColumnSpec + ") VALUES (" + Song::kBindSpec + ")").arg(songs_table_));
QSqlQuery update_song(db);
update_song.prepare(QString("UPDATE %1 SET " + Song::kUpdateSpec + " WHERE ROWID = :id").arg(songs_table_));
QSqlQuery add_song_fts(db);
add_song_fts.prepare(QString("INSERT INTO %1 (ROWID, " + Song::kFtsColumnSpec + ") VALUES (:id, " + Song::kFtsBindSpec + ")").arg(fts_table_));
QSqlQuery update_song_fts(db);
update_song_fts.prepare(QString("UPDATE %1 SET " + Song::kFtsUpdateSpec + " WHERE ROWID = :id").arg(fts_table_));
ScopedTransaction transaction(&db);
SongList added_songs;
SongList deleted_songs;
for (const Song &song : songs) {
// Do a sanity check first - make sure the song's directory still exists
// This is to fix a possible race condition when a directory is removed while CollectionWatcher is scanning it.
if (!dirs_table_.isEmpty()) {
check_dir.bindValue(":id", song.directory_id());
check_dir.exec();
if (db_->CheckErrors(check_dir)) continue;
if (!check_dir.next()) continue; // Directory didn't exist
}
if (song.id() != -1) { // This song exists in the DB.
// Get the previous song data first
Song old_song(GetSongById(song.id()));
if (!old_song.is_valid()) continue;
// Update
song.BindToQuery(&update_song);
update_song.bindValue(":id", song.id());
update_song.exec();
if (db_->CheckErrors(update_song)) continue;
song.BindToFtsQuery(&update_song_fts);
update_song_fts.bindValue(":id", song.id());
update_song_fts.exec();
if (db_->CheckErrors(update_song_fts)) continue;
deleted_songs << old_song;
added_songs << song;
continue;
}
else if (!song.song_id().isEmpty()) { // Song has a unique id, check if the song exists.
// Get the previous song data first
Song old_song(GetSongBySongId(song.song_id()));
if (old_song.is_valid() && old_song.id() != -1) {
Song new_song = song;
new_song.set_id(old_song.id());
// Update
new_song.BindToQuery(&update_song);
update_song.bindValue(":id", new_song.id());
update_song.exec();
if (db_->CheckErrors(update_song)) continue;
new_song.BindToFtsQuery(&update_song_fts);
update_song_fts.bindValue(":id", new_song.id());
update_song_fts.exec();
if (db_->CheckErrors(update_song_fts)) continue;
deleted_songs << old_song;
added_songs << new_song;
continue;
}
}
// Create new song
// Insert the row and create a new ID
song.BindToQuery(&add_song);
add_song.exec();
if (db_->CheckErrors(add_song)) continue;
// Get the new ID
const int id = add_song.lastInsertId().toInt();
// Add to the FTS index
add_song_fts.bindValue(":id", id);
song.BindToFtsQuery(&add_song_fts);
add_song_fts.exec();
if (db_->CheckErrors(add_song_fts)) continue;
Song copy(song);
copy.set_id(id);
added_songs << copy;
}
transaction.Commit();
if (!deleted_songs.isEmpty()) emit SongsDeleted(deleted_songs);
if (!added_songs.isEmpty()) emit SongsDiscovered(added_songs);
UpdateTotalSongCountAsync();
UpdateTotalArtistCountAsync();
UpdateTotalAlbumCountAsync();
}
void CollectionBackend::UpdateMTimesOnly(const SongList &songs) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET mtime = :mtime WHERE ROWID = :id").arg(songs_table_));
ScopedTransaction transaction(&db);
for (const Song &song : songs) {
q.bindValue(":mtime", song.mtime());
q.bindValue(":id", song.id());
q.exec();
db_->CheckErrors(q);
}
transaction.Commit();
}
void CollectionBackend::DeleteSongs(const SongList &songs) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery remove(db);
remove.prepare(QString("DELETE FROM %1 WHERE ROWID = :id").arg(songs_table_));
QSqlQuery remove_fts(db);
remove_fts.prepare(QString("DELETE FROM %1 WHERE ROWID = :id").arg(fts_table_));
ScopedTransaction transaction(&db);
for (const Song &song : songs) {
remove.bindValue(":id", song.id());
remove.exec();
db_->CheckErrors(remove);
remove_fts.bindValue(":id", song.id());
remove_fts.exec();
db_->CheckErrors(remove_fts);
}
transaction.Commit();
emit SongsDeleted(songs);
UpdateTotalSongCountAsync();
UpdateTotalArtistCountAsync();
UpdateTotalAlbumCountAsync();
}
void CollectionBackend::MarkSongsUnavailable(const SongList &songs, const bool unavailable) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery remove(db);
remove.prepare(QString("UPDATE %1 SET unavailable = %2 WHERE ROWID = :id").arg(songs_table_).arg(int(unavailable)));
ScopedTransaction transaction(&db);
for (const Song &song : songs) {
remove.bindValue(":id", song.id());
remove.exec();
db_->CheckErrors(remove);
}
transaction.Commit();
if (unavailable) {
emit SongsDeleted(songs);
}
else {
emit SongsDiscovered(songs);
}
UpdateTotalSongCountAsync();
UpdateTotalArtistCountAsync();
UpdateTotalAlbumCountAsync();
}
QStringList CollectionBackend::GetAll(const QString &column, const QueryOptions &opt) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.SetColumnSpec("DISTINCT " + column);
query.AddCompilationRequirement(false);
if (!query.Exec()) return QStringList();
QStringList ret;
while (query.Next()) {
ret << query.Value(0).toString();
}
return ret;
}
QStringList CollectionBackend::GetAllArtists(const QueryOptions &opt) {
return GetAll("artist", opt);
}
QStringList CollectionBackend::GetAllArtistsWithAlbums(const QueryOptions &opt) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Albums with 'albumartist' field set:
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.SetColumnSpec("DISTINCT albumartist");
query.AddCompilationRequirement(false);
query.AddWhere("album", "", "!=");
// Albums with no 'albumartist' (extract 'artist'):
CollectionQuery query2(db, songs_table_, fts_table_, opt);
query2.SetColumnSpec("DISTINCT artist");
query2.AddCompilationRequirement(false);
query2.AddWhere("album", "", "!=");
query2.AddWhere("albumartist", "", "=");
if (!query.Exec() || !query2.Exec()) {
return QStringList();
}
QSet<QString> artists;
while (query.Next()) {
artists << query.Value(0).toString();
}
while (query2.Next()) {
artists << query2.Value(0).toString();
}
return QStringList(artists.values());
}
CollectionBackend::AlbumList CollectionBackend::GetAllAlbums(const QueryOptions &opt) {
return GetAlbums(QString(), false, opt);
}
CollectionBackend::AlbumList CollectionBackend::GetAlbumsByArtist(const QString &artist, const QueryOptions &opt) {
return GetAlbums(artist, false, opt);
}
SongList CollectionBackend::GetArtistSongs(const QString &effective_albumartist, const QueryOptions &opt) {
QSqlDatabase db(db_->Connect());
QMutexLocker l(db_->Mutex());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.AddCompilationRequirement(false);
query.AddWhere("effective_albumartist", effective_albumartist);
return ExecCollectionQuery(&query);
}
SongList CollectionBackend::GetAlbumSongs(const QString &effective_albumartist, const QString &album, const QueryOptions &opt) {
QSqlDatabase db(db_->Connect());
QMutexLocker l(db_->Mutex());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.AddCompilationRequirement(false);
query.AddWhere("effective_albumartist", effective_albumartist);
query.AddWhere("album", album);
return ExecCollectionQuery(&query);
}
SongList CollectionBackend::GetSongsByAlbum(const QString &album, const QueryOptions &opt) {
QSqlDatabase db(db_->Connect());
QMutexLocker l(db_->Mutex());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.AddCompilationRequirement(false);
query.AddWhere("album", album);
return ExecCollectionQuery(&query);
}
SongList CollectionBackend::ExecCollectionQuery(CollectionQuery *query) {
query->SetColumnSpec("%songs_table.ROWID, " + Song::kColumnSpec);
if (!query->Exec()) return SongList();
SongList ret;
while (query->Next()) {
Song song(source_);
song.InitFromQuery(*query, true);
ret << song;
}
return ret;
}
Song CollectionBackend::GetSongById(const int id) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
return GetSongById(id, db);
}
SongList CollectionBackend::GetSongsById(const QList<int> &ids) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QStringList str_ids;
for (int id : ids) {
str_ids << QString::number(id);
}
return GetSongsById(str_ids, db);
}
SongList CollectionBackend::GetSongsById(const QStringList &ids) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
return GetSongsById(ids, db);
}
SongList CollectionBackend::GetSongsByForeignId(const QStringList &ids, const QString &table, const QString &column) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QString in = ids.join(",");
QSqlQuery q(db);
q.prepare(QString("SELECT %2.ROWID, " + Song::kColumnSpec + ", %2.%3 FROM %2, %1 WHERE %2.%3 IN (%4) AND %1.ROWID = %2.ROWID AND unavailable = 0").arg(songs_table_, table, column, in));
q.exec();
if (db_->CheckErrors(q)) return SongList();
QVector<Song> ret(ids.count());
while (q.next()) {
const QString foreign_id = q.value(static_cast<int>(Song::kColumns.count()) + 1).toString();
const int index = ids.indexOf(foreign_id);
if (index == -1) continue;
ret[index].InitFromQuery(q, true);
}
return ret.toList();
}
Song CollectionBackend::GetSongById(const int id, QSqlDatabase &db) {
SongList list = GetSongsById(QStringList() << QString::number(id), db);
if (list.isEmpty()) return Song();
return list.first();
}
SongList CollectionBackend::GetSongsById(const QStringList &ids, QSqlDatabase &db) {
QString in = ids.join(",");
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE ROWID IN (%2)").arg(songs_table_, in));
q.exec();
if (db_->CheckErrors(q)) return SongList();
SongList ret;
while (q.next()) {
Song song(source_);
song.InitFromQuery(q, true);
ret << song;
}
return ret;
}
Song CollectionBackend::GetSongByUrl(const QUrl &url, const qint64 beginning) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE (url = :url1 OR url = :url2 OR url = :url3 OR url = :url4) AND beginning = :beginning AND unavailable = 0").arg(songs_table_));
q.bindValue(":url1", url);
q.bindValue(":url2", url.toString());
q.bindValue(":url3", url.toString(QUrl::FullyEncoded));
q.bindValue(":url4", url.toEncoded());
q.bindValue(":beginning", beginning);
Song song(source_);
if (q.exec() && q.next()) {
song.InitFromQuery(q, true);
}
return song;
}
SongList CollectionBackend::GetSongsByUrl(const QUrl &url) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE (url = :url1 OR url = :url2 OR url = :url3 OR url = :url4) AND unavailable = 0").arg(songs_table_));
q.bindValue(":url1", url);
q.bindValue(":url2", url.toString());
q.bindValue(":url3", url.toString(QUrl::FullyEncoded));
q.bindValue(":url4", url.toEncoded());
SongList songs;
if (q.exec()) {
while (q.next()) {
Song song(source_);
song.InitFromQuery(q, true);
songs << song;
}
}
return songs;
}
Song CollectionBackend::GetSongBySongId(const QString &song_id) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
return GetSongBySongId(song_id, db);
}
SongList CollectionBackend::GetSongsBySongId(const QStringList &song_ids) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
return GetSongsBySongId(song_ids, db);
}
Song CollectionBackend::GetSongBySongId(const QString &song_id, QSqlDatabase &db) {
SongList list = GetSongsBySongId(QStringList() << song_id, db);
if (list.isEmpty()) return Song();
return list.first();
}
SongList CollectionBackend::GetSongsBySongId(const QStringList &song_ids, QSqlDatabase &db) {
QStringList song_ids2;
for (const QString &song_id : song_ids) {
song_ids2 << "'" + song_id + "'";
}
QString in = song_ids2.join(",");
QSqlQuery q(db);
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE SONG_ID IN (%2)").arg(songs_table_, in));
q.exec();
if (db_->CheckErrors(q)) return SongList();
SongList ret;
while (q.next()) {
Song song(source_);
song.InitFromQuery(q, true);
ret << song;
}
return ret;
}
CollectionBackend::AlbumList CollectionBackend::GetCompilationAlbums(const QueryOptions &opt) {
return GetAlbums(QString(), true, opt);
}
SongList CollectionBackend::GetCompilationSongs(const QString &album, const QueryOptions &opt) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.SetColumnSpec("%songs_table.ROWID, " + Song::kColumnSpec);
query.AddCompilationRequirement(true);
query.AddWhere("album", album);
if (!query.Exec()) return SongList();
SongList ret;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
ret << song;
}
return ret;
}
Song::Source CollectionBackend::Source() const {
return source_;
}
void CollectionBackend::CompilationsNeedUpdating() {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Look for albums that have songs by more than one 'effective album artist' in the same directory
QSqlQuery q(db);
q.prepare(QString("SELECT effective_albumartist, album, url, compilation_detected FROM %1 WHERE unavailable = 0 ORDER BY album").arg(songs_table_));
q.exec();
if (db_->CheckErrors(q)) return;
QMap<QString, CompilationInfo> compilation_info;
while (q.next()) {
QString artist = q.value(0).toString();
QString album = q.value(1).toString();
QUrl url = QUrl::fromEncoded(q.value(2).toString().toUtf8());
bool compilation_detected = q.value(3).toBool();
// Ignore songs that don't have an album field set
if (album.isEmpty()) continue;
// Find the directory the song is in
QString directory = url.toString(QUrl::PreferLocalFile|QUrl::RemoveFilename);
CompilationInfo &info = compilation_info[directory + album];
info.urls << url;
if (!info.artists.contains(artist))
info.artists << artist;
if (compilation_detected) info.has_compilation_detected++;
else info.has_not_compilation_detected++;
}
// Now mark the songs that we think are in compilations
QSqlQuery find_song(db);
find_song.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE (url = :url1 OR url = :url2 OR url = :url3 OR url = :url4) AND unavailable = 0").arg(songs_table_));
QSqlQuery update_song(db);
update_song.prepare(QString("UPDATE %1 SET compilation_detected = :compilation_detected, compilation_effective = ((compilation OR :compilation_detected OR compilation_on) AND NOT compilation_off) + 0 WHERE (url = :url1 OR url = :url2 OR url = :url3 OR url = :url4) AND unavailable = 0").arg(songs_table_));
SongList deleted_songs;
SongList added_songs;
ScopedTransaction transaction(&db);
QMap<QString, CompilationInfo>::const_iterator it = compilation_info.constBegin();
for (; it != compilation_info.constEnd(); ++it) {
const CompilationInfo &info = it.value();
// If there were more than one 'effective album artist' for this album directory, then it's a compilation.
for (const QUrl &url : info.urls) {
if (info.artists.count() > 1) { // This directory+album is a compilation.
if (info.has_not_compilation_detected > 0) // Run updates if any of the songs is not marked as compilations.
UpdateCompilations(find_song, update_song, deleted_songs, added_songs, url, true);
}
else {
if (info.has_compilation_detected > 0)
UpdateCompilations(find_song, update_song, deleted_songs, added_songs, url, false);
}
}
}
transaction.Commit();
if (!deleted_songs.isEmpty()) {
emit SongsDeleted(deleted_songs);
emit SongsDiscovered(added_songs);
}
}
void CollectionBackend::UpdateCompilations(QSqlQuery &find_song, QSqlQuery &update_song, SongList &deleted_songs, SongList &added_songs, const QUrl &url, const bool compilation_detected) {
// Get song, so we can tell the model its updated
find_song.bindValue(":url1", url);
find_song.bindValue(":url2", url.toString());
find_song.bindValue(":url3", url.toString(QUrl::FullyEncoded));
find_song.bindValue(":url4", url.toEncoded());
if (find_song.exec()) {
while (find_song.next()) {
Song song(source_);
song.InitFromQuery(find_song, true);
deleted_songs << song;
song.set_compilation_detected(compilation_detected);
added_songs << song;
}
}
// Update the song
update_song.bindValue(":compilation_detected", int(compilation_detected));
update_song.bindValue(":url1", url);
update_song.bindValue(":url2", url.toString());
update_song.bindValue(":url3", url.toString(QUrl::FullyEncoded));
update_song.bindValue(":url4", url.toEncoded());
update_song.exec();
db_->CheckErrors(update_song);
}
CollectionBackend::AlbumList CollectionBackend::GetAlbums(const QString &artist, const bool compilation_required, const QueryOptions &opt) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
CollectionQuery query(db, songs_table_, fts_table_, opt);
query.SetColumnSpec("url, effective_albumartist, album, compilation_effective, art_automatic, art_manual, filetype, cue_path");
query.SetOrderBy("effective_albumartist, album, url");
if (compilation_required) {
query.AddCompilationRequirement(true);
}
else if (!artist.isEmpty()) {
query.AddCompilationRequirement(false);
query.AddWhere("effective_albumartist", artist);
}
if (!query.Exec()) return AlbumList();
QMap<QString, Album> albums;
while (query.Next()) {
bool is_compilation = query.Value(3).toBool();
Album info;
QUrl url = QUrl::fromEncoded(query.Value(0).toByteArray());
if (!is_compilation) {
info.album_artist = query.Value(1).toString();
}
info.album = query.Value(2).toString();
QString art_automatic = query.Value(4).toString();
if (art_automatic.contains(QRegularExpression("..+:.*"))) {
info.art_automatic = QUrl::fromEncoded(art_automatic.toUtf8());
}
else {
info.art_automatic = QUrl::fromLocalFile(art_automatic);
}
QString art_manual = query.Value(5).toString();
if (art_manual.contains(QRegularExpression("..+:.*"))) {
info.art_manual = QUrl::fromEncoded(art_manual.toUtf8());
}
else {
info.art_manual = QUrl::fromLocalFile(art_manual);
}
info.filetype = Song::FileType(query.Value(6).toInt());
QString filetype = Song::TextForFiletype(info.filetype);
info.cue_path = query.Value(7).toString();
QString key;
if (!info.album_artist.isEmpty()) {
key.append(info.album_artist);
}
if (!info.album.isEmpty()) {
if (!key.isEmpty()) key.append("-");
key.append(info.album);
}
if (!filetype.isEmpty()) {
key.append(filetype);
}
if (key.isEmpty()) continue;
if (albums.contains(key)) {
albums[key].urls.append(url);
}
else {
info.urls << url;
albums.insert(key, info);
}
}
return albums.values();
}
CollectionBackend::Album CollectionBackend::GetAlbumArt(const QString &effective_albumartist, const QString &album) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
Album ret;
ret.album = album;
ret.album_artist = effective_albumartist;
CollectionQuery query(db, songs_table_, fts_table_, QueryOptions());
query.SetColumnSpec("art_automatic, art_manual, url");
if (!effective_albumartist.isEmpty()) {
query.AddWhere("effective_albumartist", effective_albumartist);
}
query.AddWhere("album", album);
if (!query.Exec()) return ret;
if (query.Next()) {
ret.art_automatic = QUrl::fromEncoded(query.Value(0).toByteArray());
ret.art_manual = QUrl::fromEncoded(query.Value(1).toByteArray());
ret.urls << QUrl::fromEncoded(query.Value(2).toByteArray());
}
return ret;
}
void CollectionBackend::UpdateManualAlbumArtAsync(const QString &effective_albumartist, const QString &album, const QUrl &cover_url, const bool clear_art_automatic) {
metaObject()->invokeMethod(this, "UpdateManualAlbumArt", Qt::QueuedConnection, Q_ARG(QString, effective_albumartist), Q_ARG(QString, album), Q_ARG(QUrl, cover_url), Q_ARG(bool, clear_art_automatic));
}
void CollectionBackend::UpdateManualAlbumArt(const QString &effective_albumartist, const QString &album, const QUrl &cover_url, const bool clear_art_automatic) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Get the songs before they're updated
CollectionQuery query(db, songs_table_, fts_table_);
query.SetColumnSpec("ROWID, " + Song::kColumnSpec);
query.AddWhere("effective_albumartist", effective_albumartist);
query.AddWhere("album", album);
if (!query.Exec()) return;
SongList deleted_songs;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
deleted_songs << song;
}
// Update the songs
QString sql(QString("UPDATE %1 SET art_manual = :cover").arg(songs_table_));
if (clear_art_automatic) {
sql += ", art_automatic = ''";
}
sql += " WHERE effective_albumartist = :effective_albumartist AND album = :album AND unavailable = 0";
QSqlQuery q(db);
q.prepare(sql);
q.bindValue(":cover", cover_url.isValid() ? cover_url.toString(QUrl::FullyEncoded) : "");
q.bindValue(":effective_albumartist", effective_albumartist);
q.bindValue(":album", album);
q.exec();
db_->CheckErrors(q);
// Now get the updated songs
if (!query.Exec()) return;
SongList added_songs;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
added_songs << song;
}
if (!added_songs.isEmpty() || !deleted_songs.isEmpty()) {
emit SongsDeleted(deleted_songs);
emit SongsDiscovered(added_songs);
}
}
void CollectionBackend::UpdateAutomaticAlbumArtAsync(const QString &effective_albumartist, const QString &album, const QUrl &cover_url) {
metaObject()->invokeMethod(this, "UpdateAutomaticAlbumArt", Qt::QueuedConnection, Q_ARG(QString, effective_albumartist), Q_ARG(QString, album), Q_ARG(QUrl, cover_url));
}
void CollectionBackend::UpdateAutomaticAlbumArt(const QString &effective_albumartist, const QString &album, const QUrl &cover_url) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Get the songs before they're updated
CollectionQuery query(db, songs_table_, fts_table_);
query.SetColumnSpec("ROWID, " + Song::kColumnSpec);
query.AddWhere("effective_albumartist", effective_albumartist);
query.AddWhere("album", album);
if (!query.Exec()) return;
SongList deleted_songs;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
deleted_songs << song;
}
// Update the songs
QString sql(QString("UPDATE %1 SET art_automatic = :cover WHERE effective_albumartist = :effective_albumartist AND album = :album AND unavailable = 0").arg(songs_table_));
QSqlQuery q(db);
q.prepare(sql);
q.bindValue(":cover", cover_url.isValid() ? cover_url.toString(QUrl::FullyEncoded) : "");
q.bindValue(":effective_albumartist", effective_albumartist);
q.bindValue(":album", album);
q.exec();
db_->CheckErrors(q);
// Now get the updated songs
if (!query.Exec()) return;
SongList added_songs;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
added_songs << song;
}
if (!added_songs.isEmpty() || !deleted_songs.isEmpty()) {
emit SongsDeleted(deleted_songs);
emit SongsDiscovered(added_songs);
}
}
void CollectionBackend::ForceCompilation(const QString &album, const QList<QString> &artists, const bool on) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
SongList deleted_songs, added_songs;
for (const QString &artist : artists) {
// Get the songs before they're updated
CollectionQuery query(db, songs_table_, fts_table_);
query.SetColumnSpec("ROWID, " + Song::kColumnSpec);
query.AddWhere("album", album);
if (!artist.isEmpty()) query.AddWhere("artist", artist);
if (!query.Exec()) return;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
deleted_songs << song;
}
// Update the songs
QString sql(QString("UPDATE %1 SET compilation_on = :compilation_on, compilation_off = :compilation_off, compilation_effective = ((compilation OR compilation_detected OR :compilation_on) AND NOT :compilation_off) + 0 WHERE album = :album AND unavailable = 0").arg(songs_table_));
if (!artist.isEmpty()) sql += " AND artist = :artist";
QSqlQuery q(db);
q.prepare(sql);
q.bindValue(":compilation_on", on ? 1 : 0);
q.bindValue(":compilation_off", on ? 0 : 1);
q.bindValue(":album", album);
if (!artist.isEmpty()) q.bindValue(":artist", artist);
q.exec();
db_->CheckErrors(q);
// Now get the updated songs
if (!query.Exec()) return;
while (query.Next()) {
Song song(source_);
song.InitFromQuery(query, true);
added_songs << song;
}
}
if (!added_songs.isEmpty() || !deleted_songs.isEmpty()) {
emit SongsDeleted(deleted_songs);
emit SongsDiscovered(added_songs);
}
}
void CollectionBackend::IncrementPlayCount(const int id) {
if (id == -1) return;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET playcount = playcount + 1, lastplayed = :now WHERE ROWID = :id").arg(songs_table_));
q.bindValue(":now", QDateTime::currentDateTime().toSecsSinceEpoch());
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
Song new_song = GetSongById(id, db);
emit SongsStatisticsChanged(SongList() << new_song);
}
void CollectionBackend::IncrementSkipCount(const int id, const float progress) {
Q_UNUSED(progress);
if (id == -1) return;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET skipcount = skipcount + 1 WHERE ROWID = :id").arg(songs_table_));
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
Song new_song = GetSongById(id, db);
emit SongsStatisticsChanged(SongList() << new_song);
}
void CollectionBackend::ResetStatistics(const int id) {
if (id == -1) return;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET playcount = 0, skipcount = 0, lastplayed = -1 WHERE ROWID = :id").arg(songs_table_));
q.bindValue(":id", id);
q.exec();
if (db_->CheckErrors(q)) return;
Song new_song = GetSongById(id, db);
emit SongsStatisticsChanged(SongList() << new_song);
}
void CollectionBackend::DeleteAll() {
{
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
ScopedTransaction t(&db);
QSqlQuery q("DELETE FROM " + songs_table_, db);
q.exec();
if (db_->CheckErrors(q)) return;
q = QSqlQuery("DELETE FROM " + fts_table_, db);
q.exec();
if (db_->CheckErrors(q)) return;
t.Commit();
}
emit DatabaseReset();
}
SongList CollectionBackend::FindSongs(const SmartPlaylistSearch &search) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
// Build the query
QString sql = search.ToSql(songs_table());
// Run the query
SongList ret;
QSqlQuery query(db);
query.prepare(sql);
query.exec();
if (db_->CheckErrors(query)) return ret;
// Read the results
while (query.next()) {
Song song;
song.InitFromQuery(query, true);
ret << song;
}
return ret;
}
SongList CollectionBackend::GetAllSongs() {
// Get all the songs!
return FindSongs(SmartPlaylistSearch(SmartPlaylistSearch::Type_All, SmartPlaylistSearch::TermList(), SmartPlaylistSearch::Sort_FieldAsc, SmartPlaylistSearchTerm::Field_Artist, -1));
}
SongList CollectionBackend::GetSongsBy(const QString &artist, const QString &album, const QString &title) {
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
SongList songs;
QSqlQuery q(db);
if (album.isEmpty()) {
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE artist = :artist COLLATE NOCASE AND title = :title COLLATE NOCASE").arg(songs_table_));
}
else {
q.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE artist = :artist COLLATE NOCASE AND album = :album COLLATE NOCASE AND title = :title COLLATE NOCASE").arg(songs_table_));
}
q.bindValue(":artist", artist);
if (!album.isEmpty()) q.bindValue(":album", album);
q.bindValue(":title", title);
q.exec();
if (db_->CheckErrors(q)) return SongList();
while (q.next()) {
Song song(source_);
song.InitFromQuery(q, true);
songs << song;
}
return songs;
}
void CollectionBackend::UpdateLastPlayed(const QString &artist, const QString &album, const QString &title, const qint64 lastplayed) {
SongList songs = GetSongsBy(artist, album, title);
if (songs.isEmpty()) {
qLog(Debug) << "Could not find a matching song in the database for" << artist << album << title;
return;
}
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
for (const Song &song : songs) {
if (song.lastplayed() >= lastplayed) {
continue;
}
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET lastplayed = :lastplayed WHERE ROWID = :id").arg(songs_table_));
q.bindValue(":lastplayed", lastplayed);
q.bindValue(":id", song.id());
q.exec();
if (db_->CheckErrors(q)) continue;
}
emit SongsStatisticsChanged(SongList() << songs);
}
void CollectionBackend::UpdatePlayCount(const QString &artist, const QString &title, const int playcount) {
SongList songs = GetSongsBy(artist, QString(), title);
if (songs.isEmpty()) {
qLog(Debug) << "Could not find a matching song in the database for" << artist << title;
return;
}
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
for (const Song &song : songs) {
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET playcount = :playcount WHERE ROWID = :id").arg(songs_table_));
q.bindValue(":playcount", playcount);
q.bindValue(":id", song.id());
q.exec();
if (db_->CheckErrors(q)) continue;
}
emit SongsStatisticsChanged(SongList() << songs);
}
void CollectionBackend::UpdateSongRating(const int id, const double rating) {
if (id == -1) return;
QList<int> id_list;
id_list << id;
UpdateSongsRating(id_list, rating);
}
void CollectionBackend::UpdateSongsRating(const QList<int> &id_list, const double rating) {
if (id_list.isEmpty()) return;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QStringList id_str_list;
for (int i : id_list) {
id_str_list << QString::number(i);
}
QString ids = id_str_list.join(",");
QSqlQuery q(db);
q.prepare(QString("UPDATE %1 SET rating = :rating WHERE ROWID IN (%2)").arg(songs_table_, ids));
q.bindValue(":rating", rating);
q.exec();
if (db_->CheckErrors(q)) return;
SongList new_song_list = GetSongsById(id_str_list, db);
emit SongsRatingChanged(new_song_list);
}
void CollectionBackend::UpdateSongRatingAsync(const int id, const double rating) {
metaObject()->invokeMethod(this, "UpdateSongRating", Qt::QueuedConnection, Q_ARG(int, id), Q_ARG(double, rating));
}
void CollectionBackend::UpdateSongsRatingAsync(const QList<int>& ids, const double rating) {
metaObject()->invokeMethod(this, "UpdateSongsRating", Qt::QueuedConnection, Q_ARG(QList<int>, ids), Q_ARG(double, rating));
}
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