/**
* @see SampleSecurityInterface::delete_user()
* @param integer $entry_id
* @return bool
*/
public function delete_user($entry_id)
{
global $transaction;
if ($this->sample_id and is_numeric($entry_id)) {
$transaction_id = $transaction->begin();
$sample_has_user = new SampleHasUser_Access($entry_id);
$write = $sample_has_user->get_write();
$user_id = $sample_has_user->get_user_id();
$success = $sample_has_user->delete();
if ($success == true) {
if ($write == true) {
$sample_folder_id = SampleFolder::get_folder_by_sample_id($this->sample_id);
$folder_id = UserFolder::get_folder_by_user_id($user_id);
$virtual_folder = new VirtualFolder(null);
$virtual_folder_array = $virtual_folder->list_entries_by_folder_id($folder_id);
foreach ($virtual_folder_array as $key => $value) {
$virtual_folder = new SampleVirtualFolder($value);
if ($virtual_folder->is_sample_vfolder() == true) {
$virtual_folder_id = $value;
}
}
if ($virtual_folder_id) {
$virtual_folder = new VirtualFolder($virtual_folder_id);
if ($virtual_folder->unlink_folder($sample_folder_id) == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
}
}
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
return true;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
} else {
return false;
}
}
