/**
* copy an object to $pid or over $targetId
*
* better way to copy an object over another one is to delete the target,
* but this could be very dangerous. We could delete required/important data
* so i suggest to just mark overwriten object with dstatus = 3.
* But in this situation appears another problem with child nodes.
* Childs should be moved to new parent.
*
* @param int $pid if not specified then will be set to pid of targetId
* @param int $targetId
* @return int the id of copied object
*/
public function copyTo($pid = false, $targetId = false)
{
// check input params
if (!is_numeric($this->id) || !is_numeric($pid) && !is_numeric($targetId)) {
return false;
}
/* security check */
if (!\CB\Security::canRead($this->id)) {
return false;
}
/* end of security check */
if (is_numeric($targetId)) {
/* target security check */
if (!\CB\Security::canWrite($targetId)) {
return false;
}
/* end of target security check */
// marking overwriten object with dstatus = 3
DM\Tree::update(array('id' => $targetId, 'updated' => 1, 'dstatus' => 3, 'did' => User::getId()));
$r = DM\Tree::read($targetId);
if (!empty($r)) {
$pid = $r['pid'];
}
} else {
/* pid security check */
if (!\CB\Security::canWrite($pid)) {
return false;
}
/* end of pid security check */
}
/* check again if we have pid set
It can be unset when not existent $targetId is specified
*/
if (!is_numeric($pid)) {
return false;
}
// copying the object to $pid
$objectId = DM\Tree::copy($this->id, $pid);
/* we have now object created, so we start copy all its possible data:
- tree_info is filled automaticly by trigger
- custom security rules from tree_acl
- custom object data
*/
// copy node custom security rules if set
\CB\Security::copyNodeAcl($this->id, $objectId);
$this->copyCustomDataTo($objectId);
// move childs from overwriten targetId (which has been marked with dstatus = 3)
// to newly copied object
if (is_numeric($targetId)) {
// DM\Tree::update(
// )
DM\Tree::moveActiveChildren($targetId, $this->id);
}
return $objectId;
}