/**
* Determines the winner of A/B test based on bounce rates
*
* @param $factory
* @param Page $parent
* @param Page[] $children
*
* @return array
*/
public static function determineBounceTestWinner($factory, $parent, $children)
{
//find the hits that did not go any further
$repo = $factory->getEntityManager()->getRepository('MauticPageBundle:Hit');
$pageIds = $parent->getRelatedEntityIds();
$startDate = $parent->getVariantStartDate();
if ($startDate != null && !empty($pageIds)) {
//get their bounce rates
$counts = $repo->getBounces($pageIds, $startDate, true);
if ($counts) {
// Group by translation
$combined = [$parent->getId() => $counts[$parent->getId()]];
if ($parent->hasTranslations()) {
$translations = $parent->getTranslationChildren()->getKeys();
foreach ($translations as $translation) {
$combined[$parent->getId()]['bounces'] += $counts[$translation]['bounces'];
$combined[$parent->getId()]['totalHits'] += $counts[$translation]['totalHits'];
$combined[$parent->getId()]['rate'] = $counts[$parent->getId()]['totalHits'] ? round($counts[$parent->getId()]['bounces'] / $counts[$parent->getId()]['totalHits'] * 100, 2) : 0;
}
}
foreach ($children as $child) {
if ($child->hasTranslations()) {
$combined[$child->getId()] = $counts[$child->getId()];
$translations = $child->getTranslationChildren()->getKeys();
foreach ($translations as $translation) {
$combined[$child->getId()]['bounces'] += $counts[$translation]['bounces'];
$combined[$child->getId()]['totalHits'] += $counts[$translation]['totalHits'];
$combined[$child->getId()]['rate'] = $counts[$child->getId()]['totalHits'] ? round($counts[$child->getId()]['bounces'] / $counts[$child->getId()]['totalHits'] * 100, 2) : 0;
}
}
}
unset($counts);
//let's arrange by rate
$rates = [];
$support['data'] = [];
$support['labels'] = [];
$bounceLabel = $factory->getTranslator()->trans('mautic.page.abtest.label.bounces');
foreach ($combined as $pid => $stats) {
$rates[$pid] = $stats['rate'];
$support['data'][$bounceLabel][] = $rates[$pid];
$support['labels'][] = $pid . ':' . $stats['title'];
}
$max = max($rates);
$support['step_width'] = ceil($max / 10) * 10;
//get the page ids with the greatest average dwell time
$winners = $max > 0 ? array_keys($rates, $max) : [];
return ['winners' => $winners, 'support' => $support, 'basedOn' => 'page.bouncerate', 'supportTemplate' => 'MauticPageBundle:SubscribedEvents\\AbTest:bargraph.html.php'];
}
}
return ['winners' => [], 'support' => [], 'basedOn' => 'page.bouncerate'];
}
