/**
* constructor
* @param mixed param PDO instance,
* or record id (if integer),
* or constraints (if array) but param['pdo'] is PDO instance
*/
function __construct($params = null)
{
try {
if (!self::$db && self::$adapter) {
self::$db = new self::$adapter(self::$db_settings);
}
} catch (Exception $e) {
throw new WaxDbException("Cannot Initialise DB", "Database Configuration Error");
}
$class_name = get_class($this);
if ($class_name != 'WaxModel' && !$this->table) {
$this->table = Inflections::underscore($class_name);
}
if ($params && is_numeric($params)) {
$res = $this->filter(array($this->primary_key => $params))->first();
$this->row = $res->row;
$this->clear();
}
$this->define($this->primary_key, $this->primary_type, $this->primary_options);
$this->setup();
$this->set_identifier();
// If a scope is passed into the constructor run a method called scope_[scope]().
if ($params && is_string($params)) {
$method = "scope_" . $params;
if (method_exists($this, $method)) {
$this->{$method};
}
}
}
