/**
* Copy all tags on an object to another object
*
* @param integer $oldtagid ID of tag to be copied
* @param integer $newtagid ID of tag to copy to
* @return boolean True if records copied
*/
public function copyObjects($oldtagid = null, $newtagid = null)
{
$oldtagid = $oldtagid ?: $this->tagid;
if (!$oldtagid || !$newtagid) {
return false;
}
$this->_db->setQuery("SELECT * FROM {$this->_tbl} WHERE tagid=" . $this->_db->quote($oldtagid));
if ($rows = $this->_db->loadObjectList()) {
$entries = array();
foreach ($rows as $row) {
$to = new self($this->_db);
$to->objectid = $row->objectid;
$to->tagid = $newtagid;
$to->strength = $row->strength;
$to->taggerid = $row->taggerid;
$to->taggedon = $row->taggedon;
$to->tbl = $row->tbl;
$to->store();
$entries[] = $row->id;
}
require_once __DIR__ . DS . 'log.php';
$data = new stdClass();
$data->old_id = $oldtagid;
$data->new_id = $newtagid;
$data->entries = $entries;
$log = new Log($this->_db);
$log->log($newtagid, 'objects_copied', json_encode($data));
}
return true;
}
/**
* Move all references to one tag to another tag
*
* @param integer $oldtagid ID of tag to be moved
* @param integer $newtagid ID of tag to move to
* @return boolean True if records changed
*/
public function moveSubstitutes($oldtagid = null, $newtagid = null)
{
$oldtagid = $oldtagid ?: $this->tag_id;
if (!$oldtagid || !$newtagid) {
return false;
}
$this->_db->setQuery("SELECT tag FROM {$this->_tbl} WHERE tag_id=" . $this->_db->quote($oldtagid));
$items = $this->_db->loadColumn();
$this->_db->setQuery("UPDATE {$this->_tbl} SET tag_id=" . $this->_db->quote($newtagid) . " WHERE tag_id=" . $this->_db->quote($oldtagid));
if (!$this->_db->query()) {
$this->setError($this->_db->getErrorMsg());
return false;
} else {
require_once __DIR__ . DS . 'log.php';
$data = new stdClass();
$data->old_id = $oldtagid;
$data->new_id = $newtagid;
$data->entries = $items;
$log = new Log($this->_db);
$log->log($newtagid, 'substitutes_moved', json_encode($data));
}
return $this->cleanUp($newtagid);
}
/**
* Inserts a new row if id is zero or updates an existing row in the database table
*
* @param boolean $updateNulls If false, null object variables are not updated
* @return null|string Null if successful otherwise returns and error message
*/
public function store($updateNulls = false)
{
$k = $this->_tbl_key;
if ($this->{$k}) {
$action = 'tag_edited';
} else {
$action = 'tag_created';
}
$result = parent::store($updateNulls);
if ($result) {
require_once __DIR__ . DS . 'log.php';
$log = new Log($this->_db);
$log->log($this->{$k}, $action);
}
return $result;
}
