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<!DOCTYPE html>
<html>
<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\Referrers\Columns;

use Piwik\Common;
use Piwik\Tracker\Action;
use Piwik\Tracker\Request;
use Piwik\Tracker\TrackerConfig;
use Piwik\Tracker\Visitor;
class Campaign extends \Piwik\Plugins\Referrers\Columns\Base
{
    /**
     * Obtained from the `[Tracker] create_new_visit_when_campaign_changes` INI config option.
     * If true, will create new visits when campaign name changes.
     *
     * @var bool
     */
    protected $nameSingular = 'Referrers_ColumnCampaign';
    /**
     * If we should create a new visit when the campaign changes, check if the campaign info changed and if so
     * force the tracker to create a new visit.i
     *
     * @return bool
     */
    public function shouldForceNewVisit(Request $request, Visitor $visitor, ?Action $action = null)
    {
        if (TrackerConfig::getConfigValue('create_new_visit_when_campaign_changes', $request->getIdSiteIfExists()) != 1) {
            return \false;
        }
        $information = $this->getReferrerInformationFromRequest($request, $visitor);
        // we force a new visit if the referrer is a campaign and it's different than the currently recorded referrer.
        // if the current referrer is 'direct entry', however, we assume the referrer information was sent in a later request, and
        // we just update the existing referrer information instead of creating a visit.
        if ($information['referer_type'] == Common::REFERRER_TYPE_CAMPAIGN && $this->isReferrerInformationNew($visitor, $information) && !$this->isCurrentReferrerDirectEntry($visitor)) {
            Common::printDebug("Existing visit detected, but creating new visit because campaign information is different than last action.");
            return \true;
        }
        return \false;
    }
}
