SystemStatusUpdateTask.php

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<?php
namespace TYPO3\CMS\Reports\Task;

class SystemStatusUpdateTask extends \TYPO3\CMS\Scheduler\Task\AbstractTask {

    protected $notificationEmail = NULL;

    public function execute() {
        $registry = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Registry');
        $statusReport = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Reports\\Report\\Status\\Status');
        $systemStatus = $statusReport->getSystemStatus();
        $highestSeverity = $statusReport->getHighestSeverity($systemStatus);
        $registry->set('tx_reports', 'status.highestSeverity', $highestSeverity);
        if ($highestSeverity > \TYPO3\CMS\Reports\Status::OK) {
            $this->sendNotificationEmail($systemStatus);
        }
        return TRUE;
    }

    public function getNotificationEmail() {
        return $this->notificationEmail;
    }

    public function setNotificationEmail($notificationEmail) {
        $this->notificationEmail = $notificationEmail;
    }

    protected function sendNotificationEmail(array $systemStatus) {
        $systemIssues = array();
        foreach ($systemStatus as $statusProvider) {
            foreach ($statusProvider as $status) {
                if ($status->getSeverity() > \TYPO3\CMS\Reports\Status::OK) {
                    $systemIssues[] = (string) $status;
                }
            }
        }
        $notificationEmails = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(LF, $this->notificationEmail, TRUE);
        $sendEmailsTo = array();
        foreach ($notificationEmails as $notificationEmail) {
            $sendEmailsTo[] = $notificationEmail;
        }
        $subject = sprintf($GLOBALS['LANG']->getLL('status_updateTask_email_subject'), $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']);
        $message = sprintf($GLOBALS['LANG']->getLL('status_problemNotification'), '', '');
        $message .= CRLF . CRLF;
        $message .= $GLOBALS['LANG']->getLL('status_updateTask_email_site') . ': ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'];
        $message .= CRLF . CRLF;
        $message .= $GLOBALS['LANG']->getLL('status_updateTask_email_issues') . ': ' . CRLF;
        $message .= implode(CRLF, $systemIssues);
        $message .= CRLF . CRLF;
        $from = \TYPO3\CMS\Core\Utility\MailUtility::getSystemFrom();
        $mail = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Mail\\MailMessage');
        $mail->setFrom($from);
        $mail->setTo($sendEmailsTo);
        $mail->setSubject($subject);
        $mail->setBody($message);
        $mail->send();
    }

}