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khosb/modules/emailtemplate/classes/emailtemplate.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class provides email template functions
*
* @package OSB
* @subpackage EmailTemplate
* @category Helpers
* @author Deon George
* @copyright (c) 2010 Deon George
* @license http://dev.leenooks.net/license.html
*/
class EmailTemplate {
// We'll store the template here
private $template;
private $template_mail;
private $email_data = array();
private $default_lang = 'en';
private $components = array('subject','message_text','message_html');
public function __construct($template,$language_id=NULL) {
$this->template = ORM::factory('emailtemplate',array('name'=>$template));
if (! $this->template->loaded())
throw new Kohana_Exception('Email template :template not defined in DB',array(':template'=>$template));
if (is_null($language_id))
$language_id=$this->default_lang;
$this->template_mail = $this->template->emailtemplate_translate->where('language_id','=',$language_id)->find();
if (! $this->template_mail->loaded() AND
($this->template_mail = $this->template->emailtemplate_translate->where('language_id','=',$this->default_lang)->find()) AND ! $this->template_mail->loaded())
// @todo Change this to log/email the admin
throw new Kohana_Exception('No template (:template) found for user language (:language_id) or default language (:default_lang)',
array(':template'=>$this->template->name,':language_id'=>$language_id,':default_lang'=>$this->default_lang));
}
public function __set($key,$value) {
switch ($key) {
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case 'to':
if (! is_array($value) OR ! array_intersect(array('email','account'),array_keys($value)))
throw new Kohana_Exception('Values for to should be an array of either "mail" or "account", however :value was given',array(':value'=>serialize($value)));
$this->email_data[$key] = $value;
break;
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case 'variables':
// Our variables should be an array
if (! is_array($value))
throw new Kohana_Exception('Values for variables should be an array, however :value was given',array(':value'=>$value));
$this->email_data[$key] = $value;
break;
default:
throw new Kohana_Exception('Unknown variable :key (:value)',array(':key'=>$key,':value'=>is_string($value) ? $value : serialize($value)));
}
}
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public function __get($key) {
switch ($key) {
case 'to':
if (empty($this->email_data[$key]))
return array();
elseif (isset($this->email_data[$key]['email']))
return $this->email_data[$key]['email'];
elseif (isset($this->email_data[$key]['account'])) {
$list = array();
foreach ($this->email_data[$key]['account'] as $id) {
$ao = ORM::factory('account',$id);
if ($ao->loaded())
$list[$ao->email] = $ao->name();
}
return $list;
}
break;
case 'variables':
return $this->email_data[$key];
default:
throw new Kohana_Exception('Unknown variable :key (:value)',array(':key'=>$key,':value'=>is_string($value) ? $value : serialize($value)));
}
}
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public static function instance($template) {
return new EmailTemplate($template);
}
public function variables() {
$return = array();
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foreach ($this->components as $v)
foreach ($this->template_mail->variables($v) as $x=>$y)
if (! in_array($y,$return))
array_push($return,$y);
return $return;
}
public function send($admin=FALSE) {
$e = Email::connect();
$sm = Swift_Message::newInstance();
foreach ($this->components as $component) {
$s = $this->template_mail->$component;
foreach ($this->template_mail->variables($component) as $k => $v)
$s = str_replace('%'.$v.'%',$this->email_data['variables'][$v],$s);
switch ($component) {
case 'message_html':
$sm->setBody($s,'text/html');
break;
case 'message_text':
$sm->setBody($s,'text/plain');
break;
case 'subject':
$sm->setSubject($s);
break;
default:
throw new Kohana_Exception('Component :component has not been configured in :method',array(':component'=>$component,':method'=>__METHOD__));
}
}
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// @todo This should go to the admin defined in email_setup
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if ($admin OR ($admin = Config::testmail($this->template->name))) {
$sm->setTo($admin);
$sa = array(1);
} else {
$sm->setTo($this->to);
$sa = $this->to_accounts();
}
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// @todo - Setup queue mode
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$result = $e->send($sm);
if ($result) {
// Store our email log.
$data = gzcompress(serialize($this->email_data['variables']));
$elo = ORM::factory('email_log');
foreach ($sa as $id) {
$elo->clear();
$elo->account_id = $id;
$elo->email_template_id = $this->template_mail->id;
$elo->data = $data;
$elo->save();
}
}
return $result;
}
private function to_accounts() {
// @todo Set the default account in a configuration file.
$default = array(1);
if (! isset($this->email_data['to']) OR ! is_array($this->email_data['to']) OR ! array_intersect(array('email','account'),array_keys($this->email_data['to'])))
return $default;
return isset($this->email_data['to']['account']) ? $this->email_data['to']['account'] : $default;
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}
}
?>