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<?php
/**
* This helper builds the SendAt object for a /mail/send API call
*
* PHP Version - 5.6, 7.0, 7.1, 7.2
*
* @package SendGrid\Mail
* @author Elmer Thomas <dx@sendgrid.com>
* @copyright 2018 SendGrid
* @license https://opensource.org/licenses/MIT The MIT License
* @version GIT: <git_id>
* @link http://packagist.org/packages/sendgrid/sendgrid
*/
namespace SendGrid\Mail;
/**
* This class is used to construct a SendAt object for the /mail/send API call
*
* @package SendGrid\Mail
*/
class SendAt implements \JsonSerializable
{
/**
* @var $send_at int A unix timestamp allowing you to specify when you want your email
* to be delivered. This may be overridden by the personalizations[x].send_at
* parameter. You can't schedule more than 72 hours in advance. If you have
* the flexibility, it's better to schedule mail for off-peak times. Most
* emails are scheduled and sent at the top of the hour or half hour.
* Scheduling email to avoid those times (for example, scheduling at 10:53) can
* result in lower deferral rates because it won't be going through our servers
* at the same times as everyone else's mail
*/
private $send_at;
/**
* Optional constructor
*
* @param int|null $send_at A unix timestamp allowing you to specify when you
* want your email to be delivered. This may be
* overridden by the personalizations[x].send_at
* parameter. You can't schedule more than 72 hours
* in advance. If you have the flexibility, it's better
* to schedule mail for off-peak times. Most emails are
* scheduled and sent at the top of the hour or half
* hour. Scheduling email to avoid those times (for
* example, scheduling at 10:53) can result in lower
* deferral rates because it won't be going through
* our servers at the same times as everyone else's mail
*/
public function __construct($send_at=null)
{
if (isset($send_at)) {
$this->setSendAt($send_at);
}
}
/**
* Add the send at value to a SendAt object
*
* @param int $send_at A unix timestamp allowing you to specify when you
* want your email to be delivered. This may be
* overridden by the personalizations[x].send_at
* parameter. You can't schedule more than 72 hours
* in advance. If you have the flexibility, it's better
* to schedule mail for off-peak times. Most emails are
* scheduled and sent at the top of the hour or half
* hour. Scheduling email to avoid those times (for
* example, scheduling at 10:53) can result in lower
* deferral rates because it won't be going through
* our servers at the same times as everyone else's mail
*
* @throws TypeException
*/
public function setSendAt($send_at)
{
if (!is_int($send_at)) {
throw new TypeException('$send_at must be of type int.');
}
$this->send_at = $send_at;
}
/**
* Retrieve the send at value from a SendAt object
*
* @return int
*/
public function getSendAt()
{
return $this->send_at;
}
/**
* Return an array representing a SendAt object for the SendGrid API
*
* @return int
*/
public function jsonSerialize()
{
return $this->getSendAt();
}
}