/**
* Does a bulk_delete on a list of artefacts, grouping artefacts of
* the same type.
*
* Currently only tested for folders and their contents.
*/
public static function delete_by_artefacttype($artefactids)
{
if (empty($artefactids)) {
return;
}
db_begin();
artefact_watchlist_notification($artefactids);
// Delete comments first
safe_require('artefact', 'comment');
ArtefactTypeComment::delete_comments_onartefacts($artefactids);
$records = get_records_select_assoc('artefact', 'id IN (' . join(',', array_map('intval', $artefactids)) . ')', null, 'artefacttype', 'id,parent,artefacttype,container');
$containers = array();
$leaves = array();
foreach ($records as $r) {
if ($r->container) {
$containers[$r->artefacttype][] = (int) $r->id;
} else {
$leaves[$r->artefacttype][] = $r->id;
}
}
// Delete non-containers grouped by artefacttype
foreach ($leaves as $artefacttype => $ids) {
$classname = generate_artefact_class_name($artefacttype);
call_static_method($classname, 'bulk_delete', $ids);
}
// Delete containers grouped by artefacttype
foreach ($containers as $artefacttype => $ids) {
$classname = generate_artefact_class_name($artefacttype);
if (is_mysql()) {
set_field_select('artefact', 'parent', null, 'id IN (' . join(',', $ids) . ')', array());
}
call_static_method($classname, 'bulk_delete', $ids);
}
handle_event('deleteartefacts', $artefactids);
db_commit();
}
