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Fix updating compilations

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Fixes #288
This commit is contained in:
Jonas Kvinge
2019-11-03 23:23:04 +01:00
parent e838840548
commit 6387a01d7b
6 changed files with 51 additions and 38 deletions
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58
src/collection/collectionbackend.cpp
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@@ -904,28 +904,30 @@ void CollectionBackend::UpdateCompilations() {
while (q.next()) {
QString artist = q.value(0).toString();
QString album = q.value(1).toString();
QString filename = q.value(2).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
int last_separator = filename.lastIndexOf('/');
if (last_separator == -1) continue;
QString directory = url.toString(QUrl::PreferLocalFile|QUrl::RemoveFilename|QUrl::StripTrailingSlash);
CompilationInfo &info = compilation_info[album];
CompilationInfo &info = compilation_info[directory + album];
info.urls << url;
info.directory = directory;
info.album = album;
info.artists.insert(artist);
info.directories.insert(filename.left(last_separator));
if (compilation_detected) info.has_compilation_detected = true;
else info.has_not_compilation_detected = true;
if (compilation_detected) info.has_compilation_detected++;
else info.has_not_compilation_detected++;
}
// Now mark the songs that we think are in compilations
QSqlQuery update(db);
update.prepare(QString("UPDATE %1 SET compilation_detected = :compilation_detected, compilation_effective = ((compilation OR :compilation_detected OR compilation_on) AND NOT compilation_off) + 0 WHERE album = :album AND unavailable = 0").arg(songs_table_));
QSqlQuery find_songs(db);
find_songs.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE album = :album AND compilation_detected = :compilation_detected AND unavailable = 0").arg(songs_table_));
find_songs.prepare(QString("SELECT ROWID, " + Song::kColumnSpec + " FROM %1 WHERE url = :url AND compilation_detected = :compilation_detected AND unavailable = 0").arg(songs_table_));
QSqlQuery update_songs(db);
update_songs.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 = :url AND unavailable = 0").arg(songs_table_));
SongList deleted_songs;
SongList added_songs;
@@ -935,17 +937,18 @@ void CollectionBackend::UpdateCompilations() {
QMap<QString, CompilationInfo>::const_iterator it = compilation_info.constBegin();
for (; it != compilation_info.constEnd(); ++it) {
const CompilationInfo &info = it.value();
QString album(it.key());
// If there were more 'effective album artists' than there were directories for this album then it's a compilation.
if (info.artists.count() > info.directories.count()) {
if (info.has_not_compilation_detected)
UpdateCompilations(find_songs, update, deleted_songs, added_songs, album, 1);
}
else {
if (info.has_compilation_detected)
UpdateCompilations(find_songs, update, deleted_songs, added_songs, album, 0);
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_songs, update_songs, deleted_songs, added_songs, url, true);
}
else {
if (info.has_compilation_detected > 0)
UpdateCompilations(find_songs, update_songs, deleted_songs, added_songs, url, false);
}
}
}
@@ -955,27 +958,28 @@ void CollectionBackend::UpdateCompilations() {
emit SongsDeleted(deleted_songs);
emit SongsDiscovered(added_songs);
}
}
void CollectionBackend::UpdateCompilations(QSqlQuery &find_songs, QSqlQuery &update, SongList &deleted_songs, SongList &added_songs, const QString &album, int compilation_detected) {
void CollectionBackend::UpdateCompilations(QSqlQuery &find_songs, QSqlQuery &update_songs, SongList &deleted_songs, SongList &added_songs, const QUrl &url, const bool compilation_detected) {
// Get songs that were already in that album, so we can tell the model they've been updated
find_songs.bindValue(":album", album);
// Get song, so we can tell the model its updated
find_songs.bindValue(":url", url.toString());
find_songs.bindValue(":compilation_detected", int(!compilation_detected));
find_songs.exec();
while (find_songs.next()) {
Song song;
song.InitFromQuery(find_songs, true);
deleted_songs << song;
song.set_compilation_detected(true);
song.set_compilation_detected(compilation_detected);
added_songs << song;
}
// Mark this album
update.bindValue(":compilation_detected", compilation_detected);
update.bindValue(":album", album);
update.exec();
db_->CheckErrors(update);
// Update the song
update_songs.bindValue(":compilation_detected", int(compilation_detected));
update_songs.bindValue(":url", url);
update_songs.exec();
db_->CheckErrors(update_songs);
}