ShopConfig::config PHP Method

    public static function config()
    {
        return new Config_ForClass("ShopConfig");
    }

 /**
  * @param string $template
  * @param string $subject
  *
  * @return Email
  */
 private function buildEmail($template, $subject)
 {
     $from = ShopConfig::config()->email_from ? ShopConfig::config()->email_from : Email::config()->admin_email;
     $to = $this->order->getLatestEmail();
     $checkoutpage = CheckoutPage::get()->first();
     $completemessage = $checkoutpage ? $checkoutpage->PurchaseComplete : '';
     $email = Email::create();
     $email->setTemplate($template);
     $email->setFrom($from);
     $email->setTo($to);
     $email->setSubject($subject);
     $email->populateTemplate(array('PurchaseCompleteMessage' => $completemessage, 'Order' => $this->order, 'BaseURL' => Director::absoluteBaseURL()));
     return $email;
 }