function reactivate($params){
if(isset($params['code']) && !empty($params['code'])){
$premcode = PremiumCode::find()->where(array('code' => $params['code']))->first();
if($premcode){
if($premcode->reactivate()){
Event::trigger(Event::TYPE_PREMCODE_REACTIVATE, User::$current->account, $premcode);
$this->render_ajax('success', 'reactivated code ' . $premcode->code);
} else {
$this->render_ajax('error', $premcode->errors[0]);
}
} else {
$this->render_ajax('error', "Code ({$params['code']}) not found or invalid");
}
} else {
$this->render_ajax('error', 'No code selected');
}
}
private function generate_code(){
$code = substr(str_shuffle('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890'), 0, 8);
$premcode = PremiumCode::find()->where(array('code' => $code))->first();
if($premcode)
$code = $this->generate_code();
return $code;
}