/**
* @see ProjectItemInterface::create_log_entry()
* @return bool
*/
public function create_log_entry()
{
global $transaction;
if ($this->project_id and $this->item_id) {
$transaction_id = $transaction->begin();
if ($this->project_log_id) {
$project_log_id = $this->project_log_id;
} else {
$project_log = new ProjectLog(null);
if (($project_log_id = $project_log->create($this->project_id, null, false, false, md5(rand(0, 32768)))) == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
$this->project_log_id = $project_log_id;
}
$project_log_has_item = new ProjectLogHasItem($project_log_id);
if ($project_log_has_item->link_item($this->item_id) == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
} else {
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
return true;
}
} else {
return false;
}
}
/**
* @see ProjectLogInterface::list_items()
* @return array
*/
public function list_items()
{
if ($this->log_id and $this->log) {
return ProjectLogHasItem::get_items_by_log_id($this->log_id);
} else {
return null;
}
}