/**
* Load a file that defines model class and return that instance
*
* @param string $className The name of the model class to get instance
* @param string $subdir
* @return Model
* @throws ClassUndefinedException
*/
public static function getModelInstance($className, $subdir = '')
{
$instance = false;
$res = self::loadModel($className, $subdir);
if ($res == false) {
if (Model::isAllowVirtual()) {
$tableName = NameManager::toTable($className);
$instance = new Model($tableName);
}
} else {
if (!self::classExists($className)) {
self::load('ClassUndefinedException', 'exception');
throw new ClassUndefinedException($className);
}
$instance = new $className();
}
return $instance;
}
/**
* Execute a SELECT statement using WHERE condition
* created by the field names and values specified in the parameter
* and return rows information as sql result.
*
* @param string $name Field names that combined by "And"
* @param array $args Values for fields
* @return array
*/
private function _selectByMethodName($name, $args)
{
$columns = explode('_and_', $name);
$i = 0;
$sel = $this->select();
foreach ($columns as $column) {
$columnName = NameManager::toTable($column);
$sel->where($columnName, $args[$i]);
$i++;
}
if (count($args) > count($columns)) {
$sel->order($args[$i]);
}
$rows = $sel->fetchAll();
return $rows;
}
