/**
* @return bool|int
*/
public function save()
{
if (!$this->dirty) {
return false;
}
if (!is_null($this->id)) {
// update
self::$sqlBuilder->where(static::primaryKey(), '=', $this->id);
$sql = self::$sqlBuilder->update(static::tableName(), $this->fields);
} else {
// insert
$sql = self::$sqlBuilder->insert(static::tableName(), $this->fields);
}
$this->dirty = false;
if ($result = static::$db->run($sql)) {
$this->id = static::$db->lastInsertId();
return true;
}
return false;
}
