/**
* getIndexes
* Get an indexed structure of all artists.
* Takes optional musicFolderId and optional ifModifiedSince in parameters.
*/
public static function getindexes($input)
{
self::check_version($input);
set_time_limit(300);
$musicFolderId = $input['musicFolderId'];
$ifModifiedSince = $input['ifModifiedSince'];
$catalogs = array();
if (!empty($musicFolderId) && $musicFolderId != '-1') {
$catalogs[] = $musicFolderId;
} else {
$catalogs = Catalog::get_catalogs();
}
$lastmodified = 0;
$fcatalogs = array();
foreach ($catalogs as $id) {
$clastmodified = 0;
$catalog = Catalog::create_from_id($id);
if ($catalog->last_update > $clastmodified) {
$clastmodified = $catalog->last_update;
}
if ($catalog->last_add > $clastmodified) {
$clastmodified = $catalog->last_add;
}
if ($catalog->last_clean > $clastmodified) {
$clastmodified = $catalog->last_clean;
}
if ($clastmodified > $lastmodified) {
$lastmodified = $clastmodified;
}
if (!empty($ifModifiedSince) && $clastmodified > $ifModifiedSince / 1000) {
$fcatalogs[] = $id;
}
}
if (empty($ifModifiedSince)) {
$fcatalogs = $catalogs;
}
$r = Subsonic_XML_Data::createSuccessResponse();
if (count($fcatalogs) > 0) {
$artists = Catalog::get_artists($fcatalogs);
Subsonic_XML_Data::addArtistsIndexes($r, $artists, $lastmodified);
}
self::apiOutput($input, $r);
}