/**
* gc
*
* This is a wrapper function for all of the different cleaning
* functions, it runs them in an order that resembles correctness.
*/
public static function gc()
{
debug_event('catalog', 'Database cleanup started', 5);
Song::gc();
Album::gc();
Artist::gc();
Video::gc();
Art::gc();
Stats::gc();
Rating::gc();
Userflag::gc();
Useractivity::gc();
Playlist::gc();
Tmp_Playlist::gc();
Shoutbox::gc();
Tag::gc();
// TODO: use InnoDB with foreign keys and on delete cascade to get rid of garbage collection
\Lib\Metadata\Repository\Metadata::gc();
\Lib\Metadata\Repository\MetadataField::gc();
debug_event('catalog', 'Database cleanup ended', 5);
}
/**
* clean catalog procedure
*
* Removes local songs that no longer exist.
*/
public function clean_catalog_proc()
{
if (!Core::is_readable($this->path)) {
// First sanity check; no point in proceeding with an unreadable
// catalog root.
debug_event('catalog', 'Catalog path:' . $this->path . ' unreadable, clean failed', 1);
AmpError::add('general', T_('Catalog Root unreadable, stopping clean'));
AmpError::display('general');
return 0;
}
$dead_total = 0;
$stats = self::get_stats($this->id);
$this->count = 0;
foreach (array('video', 'song') as $media_type) {
$total = $stats[$media_type . 's'];
// UGLY
if ($total == 0) {
continue;
}
$chunks = floor($total / 10000);
$dead = array();
foreach (range(0, $chunks) as $chunk) {
$dead = array_merge($dead, $this->_clean_chunk($media_type, $chunk, 10000));
}
$dead_count = count($dead);
// The AlmightyOatmeal sanity check
// Never remove everything; it might be a dead mount
if ($dead_count >= $total) {
debug_event('catalog', 'All files would be removed. Doing nothing.', 1);
AmpError::add('general', T_('All files would be removed. Doing nothing'));
continue;
}
if ($dead_count) {
$dead_total += $dead_count;
$sql = "DELETE FROM `{$media_type}` WHERE `id` IN " . '(' . implode(',', $dead) . ')';
$db_results = Dba::write($sql);
}
}
\Lib\Metadata\Repository\Metadata::gc();
\Lib\Metadata\Repository\MetadataField::gc();
return $dead_total;
}
/**
* Cleans the Catalog.
* This way is a little fishy, but if we start beets for every single file, it may take horribly long.
* So first we get the difference between our and the beets database and then clean up the rest.
* @return integer
*/
public function clean_catalog_proc()
{
$parser = $this->getParser();
$this->songs = $this->getAllSongfiles();
$parser->setHandler($this, 'removeFromDeleteList');
$parser->start($this->listCommand);
$count = count($this->songs);
$this->deleteSongs($this->songs);
if (Song::isCustomMetadataEnabled()) {
\Lib\Metadata\Repository\Metadata::gc();
\Lib\Metadata\Repository\MetadataField::gc();
}
$this->updateUi('clean', $this->cleanCounter, null, true);
return $count;
}