<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
 * Electronic instant letter model. This is a strict one-time letter.
 * Stores HTML to be placed in e-mail template.
 * @package Models
 * @author Oreolek
 **/
class Model_Instant extends ORM {
  protected $belongs_to = array(
    'subscription'
  );

  /**
   * @return array validation rules
   **/
  public function rules()
  {
    return array(
      'subject' => array(
        array('not_empty'),
        array('max_length', array(':value', 128)),
      ),
      'text' => array(
        array('not_empty'),
        array('min_length', array(':value', 20)),
      ),
    );
  }

  /**
   * Array of field labels.
   * Used in forms.
   **/
  protected $_labels = array(
    'text' => 'Message text',
    'subject' => 'Message subject',
    'sent' => 'Is sent?'
  );

  /**
   * Function to send a email to a specified address.
   * Not suitable for a large-scale use.
   * @param email $address email address
   **/
  public function send($address, $token = '')
  {
    $this->sent = TRUE;
    return self::_send($address, $this->text, $this->subject, $token);
  }

  /**
   * @param $address string or array of strings - email addresses
   * @param $text message body
   * @param $subject message subject
   * @param $token user course token
   **/
  public static function _send($address, $text, $subject, $token = '')
  {
    Log::instance()->add(Log::NOTICE, I18n::translate('Sending letter with subject "%subject" to address %address', array('%subject' => $subject, '%address' => $address)));
    $sender = Kohana::$config->load('email')->get('sender');
    $template = new View_Letter_View;
    $template->content = $text;
    $template->token = $token;
    $renderer = Kostache_Layout::factory($template->_layout);
    $email = Email::factory($subject, $renderer->render($template, $template->_view), 'text/html')->from($sender[0], $sender[1]);
    if (is_array($address))
    {
      $email->bcc($address);
    }
    else
    {
      $email->to($address);
    }
    return $email->send();
  }
}