/**
* Return an LDAP changeset from the difference between the current object
* data and the new dataset.
*
* @return array The LDAP changeset.
*/
public function getChangeset()
{
$cs = array();
$old = $this->_object->readInternal();
$new = $this->_data;
$attributes = array_merge(array_keys($old), array_keys($new));
foreach ($attributes as $attribute) {
if (!isset($old[$attribute])) {
$cs['add'][$attribute] = $new[$attribute];
continue;
}
if (!isset($new[$attribute])) {
$cs['delete'][] = $attribute;
continue;
}
if ((!is_array($new[$attribute]) || count($new[$attribute]) == 1) && (!is_array($old[$attribute]) || count($old[$attribute]) == 1)) {
if ($new[$attribute][0] == $old[$attribute][0]) {
continue;
} else {
$cs['replace'][$attribute] = $new[$attribute][0];
continue;
}
}
$adds = array_diff($new[$attribute], $old[$attribute]);
if (!empty($adds)) {
$cs['add'][$attribute] = array_values($adds);
}
$deletes = array_diff($old[$attribute], $new[$attribute]);
if (!empty($deletes)) {
$cs['delete'][$attribute] = array_values($deletes);
}
}
return $cs;
}
/**
* Get the specified internal attributes.
*
* @param array $attributes The internal attribute.
*
* @return array The value(s) of these attribute
*/
public function getInternal(array $attributes)
{
if (!isset($this->_cache_int[$attr])) {
if (!in_array($attr, array_keys($this->getInternalAttributes()))) {
throw new Horde_Kolab_Server_Exception(sprintf("Attribute \"%s\" not supported!", $attr));
}
$this->_object->readInternal();
if (!isset($this->_cache_int[$attr])) {
throw new Horde_Kolab_Server_Exception(sprintf("Failed to read attribute \"%s\"!", $attr));
}
}
return $this->_cache_int[$attr];
}
/**
* Read the object into the cache
*
* @return array The read data.
*/
public function readInternal()
{
return $this->_object->readInternal();
}
