/**
* Update the date when the newsletter will be sent.
*
* @param int $ID of the current newsletter
* @param mixed $datetime to schedule the newsletter
*
* @return schedule
*/
public function updateSchedule($ID, $datetime)
{
$this->name = $this->name . "/{$ID}/schedule";
if ($datetime instanceof \DateTime) {
$timestamp = $datetime->getTimestamp();
} else {
$timestamp = 'Now';
}
return parent::update($ID, array('Date' => $timestamp), false);
}
