plugins/CustomAlerts/Tasks.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugins\CustomAlerts;

use Piwik\Site;

class Tasks extends \Piwik\Plugin\Tasks
{
    /**
     * @var Processor
     */
    private $processor;

    /**
     * @var Notifier
     */
    private $notifier;

    public function __construct(Processor $processor, Notifier $notifier)
    {
        $this->processor = $processor;
        $this->notifier  = $notifier;
    }

    public function schedule()
    {
        $alerts  = new CustomAlerts();
        $siteIds = $alerts->getSiteIdsHavingAlerts();

        foreach ($siteIds as $idSite) {
            $timezoneForSite = Site::getTimezoneFor($idSite);

            $scheduledTime = $this->daily('runAlertsDaily', $idSite);
            $scheduledTime->setTimezone($timezoneForSite);

            $scheduledTime = $this->weekly('runAlertsWeekly', $idSite);
            $scheduledTime->setTimezone($timezoneForSite);

            $scheduledTime = $this->monthly('runAlertsMonthly', $idSite);
            $scheduledTime->setTimezone($timezoneForSite);
        }
    }

    public function runAlertsDaily($idSite)
    {
        $this->runAlerts('day', $idSite);
    }

    public function runAlertsWeekly($idSite)
    {
        $this->runAlerts('week', $idSite);
    }

    public function runAlertsMonthly($idSite)
    {
        $this->runAlerts('month', $idSite);
    }

    private function runAlerts($period, $idSite)
    {
        $this->processor->processAlerts($period, (int) $idSite);
        $this->notifier->sendNewAlerts($period, (int) $idSite);
    }
}