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<?php
/**
* @package ats
* @copyright Copyright (c)2011-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
defined('_JEXEC') or die();
use Akeeba\TicketSystem\Admin\Helper\Permissions;
use Akeeba\TicketSystem\Admin\Model\Attachments;
use FOF40\Container\Container;
use FOF40\Date\Date;
use FOF40\Timer\Timer;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Plugin\CMSPlugin;
/**
* Deletes the Manager Notes of tickets when they are closed or unpublished.
*
* @since 3.2.0
*/
class plgAtsRemoveattachments extends CMSPlugin
{
const atsCommandName = 'removeattachments';
/**
* @inheritDoc
*/
public function __construct(&$subject, $config = [])
{
parent::__construct($subject, $config);
if (!defined('FOF40_INCLUDED') && !@include_once(JPATH_LIBRARIES . '/fof40/include.php'))
{
throw new RuntimeException('This extension requires FOF 4.', 500);
}
$this->loadLanguage();
}
/**
* Returns information about the CRON task provided by this plugin
*
* @return array
*
* @since 3.2.0
*/
public function onAtsCronTaskInfo()
{
return [
'command' => self::atsCommandName,
'label' => 'PLG_ATS_' . $this->_name . '_TASK_LABEL',
'description' => 'PLG_ATS_' . $this->_name . '_TASK_DESC',
];
}
/**
* Handles the ATS CRON tasks.
*
* @param string $command The command name ATS CRON was asked to execute.
* @param array $options Any options passed to this CRON job
*
* @return bool|null True on success, null if it's not the expected command name.
* @since 3.2.0
*/
public function onAtsCronTask($command, array $options = [])
{
// Make sure we are calling the correct command
if ($command != self::atsCommandName)
{
return null;
}
$timeLimit = array_key_exists('time_limit', $options) ? $options['time_limit'] : 86400;
$timer = new Timer($timeLimit);
$onlyClosed = $this->params->get('only_closed', 1) == 1;
$container = Container::getInstance('com_ats');
$totalDeleted = 0;
$max_age = $this->params->get('maxattachmentage', 30);
$until = time() - $max_age * 3600 * 24;
$jUntil = new Date($until);
// Loop while we have tickets and we have not hit the time limit
while ($timer->getTimeLeft())
{
Log::add(sprintf("Getting up to 100 attachments%s", $onlyClosed ? ' of closed / disabled tickets' : ''), Log::DEBUG, 'ats.cron');
/** @var Attachments $attachModel */
$attachModel = $container->factory->model('Attachments')->tmpInstance();
$attachModel->created_on([
'method' => 'search',
'operator' => '<=',
'value' => $jUntil->toSql(),
])
->enabled(1)
->with(['posts']);
// Filter for enabled tickets when necessary
if ($onlyClosed)
{
/**
* whereHas filters the relationship by manipulating the count query returned by the relationship class.
*
* Attachments have a 'hasOne' relationship to Posts. So what I do is filter by posts which belong to
* closed or unpublished tickets. Essentially I am doing a subquery to the #__ats_tickets table in the
* (sub)query to the #__ats_posts table. By using indexed columns this is pretty darned fast, even with
* hundreds of thousands of tickets.
*/
$attachModel->whereHas('post', function (JDatabaseQuery $q) {
$sq = clone $q;
$sq->clear()
->select($sq->qn('ats_ticket_id'))
->from($sq->qn('#__ats_tickets'))
->where($sq->qn('status') . ' = ' . $sq->q('C'), 'OR')
->where($sq->qn('enabled') . ' = 0', 'OR');
$q->where($q->qn('ats_ticket_id') . ' IN (' . $sq . ')');
return $q;
});
}
$attachments = $attachModel->get(true, 0, 100);
if ($attachments->count() == 0)
{
if ($totalDeleted)
{
Log::add(sprintf('Deleted a total of %d attachments', $totalDeleted), Log::INFO, 'ats.cron');
}
else
{
Log::add('No attachments to delete were found', Log::INFO, 'ats.cron');
}
return true;
}
Log::add(sprintf('Found %d attachments to process', $attachments->count()), Log::DEBUG, 'ats.cron');
/** @var Attachments $item */
$deleted = 0;
foreach ($attachments as $item)
{
if ($timer->getTimeLeft() <= 0)
{
Log::add(sprintf('Deleted %d attachments in this batch', $deleted), Log::DEBUG, 'ats.cron');
break 2;
}
Log::add(sprintf(
'Deleting attachment #%d (%s) from ticket #%u "%s", post %d by %s',
$item->getId(),
$item->original_filename,
$item->post->ticket->getId(),
$item->post->ticket->title,
$item->post->getId(),
Permissions::getUser($item->post->created_by)->username
), Log::INFO, 'ats.cron');
$item->delete();
$deleted++;
$totalDeleted++;
}
Log::add(sprintf('Deleted %d attachments in this batch', $deleted), Log::DEBUG, 'ats.cron');
}
Log::add(sprintf('I have reached the time limit of %u second(s). Stopping for now.', $timeLimit), Log::DEBUG, 'ats.cron');
Log::add(sprintf('Deleted a total of %d attachments. More attachments to delete exist (I ran out of time).', $totalDeleted), Log::INFO, 'ats.cron');
return true;
}
}