/**
* Notifies the users of any changes made to the event.
*/
protected function onAfterWrite()
{
parent::onAfterWrite();
// If any details have changed and the system is configured to send out
// a notification email then do so.
$email = $this->Event()->EmailNotifyChanges;
$changed = $this->getChangedFields(false, 2);
$notify = explode(',', $this->Event()->NotifyChangeFields);
$notify = array_intersect_key($changed, array_flip($notify));
if (!$email || !$changed || !$notify) {
return;
}
$emails = DB::query(sprintf('SELECT "Email", "Name" FROM "EventRegistration" WHERE "TimeID" = %d ' . 'AND "Status" = \'Valid\' GROUP BY "Email"', $this->ID));
if (!($emails = $emails->map())) {
return;
}
$changed = new DataObjectSet();
foreach ($notify as $field => $data) {
$changed->push(new ArrayData(array('Label' => singleton('EventRegistration')->fieldLabel($field), 'Before' => $data['before'], 'After' => $data['after'])));
}
$email = new Email();
$email->setSubject(sprintf('Event Details Changed For %s (%s)', $this->EventTitle(), SiteConfig::current_site_config()->Title));
$email->setTemplate('EventRegistrationChangeEmail');
$email->populateTemplate(array('Time' => $this, 'SiteConfig' => SiteConfig::current_site_config(), 'Changed' => $changed, 'Link' => $this->Link()));
// We need to send the email for each registration individually.
foreach ($emails as $address => $name) {
$_email = clone $email;
$_email->setTo($address);
$_email->populateTemplate(array('Name' => $name));
$_email->send();
}
}
