function removeItem($item_unique, $update_count = false)
{
$tag_item = new Dase_DBO_TagItem($this->db);
$tag_item->tag_id = $this->id;
list($coll, $sernum) = explode('/', $item_unique);
//todo: compat
$item = Dase_DBO_Item::get($this->db, $coll, $sernum);
$tag_item->item_id = $item->id;
$tag_item->p_collection_ascii_id = $coll;
$tag_item->p_serial_number = $sernum;
if ($tag_item->findOne()) {
$log_text = "removing {$item_unique} from set {$this->eid}/{$this->ascii_id}";
Dase_Log::info(LOG_FILE, $log_text);
$tag_item->delete();
//this is too expensive when many items are being removed in one request
if ($update_count) {
$this->updateItemCount();
}
}
}
