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✏️ Editing: AverageEventValue.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\Events\Columns\Metrics;

use Piwik\Columns\Dimension;
use Piwik\DataTable\Row;
use Piwik\Piwik;
use Piwik\Plugin\ProcessedMetric;

/**
 * The average value for a triggered event. Calculated as:
 *
 *     sum_event_value / nb_events_with_value
 *
 * sum_event_value and nb_events_with_value are calculated by the Event archiver.
 */
class AverageEventValue extends ProcessedMetric
{
    public function getName()
    {
        return 'avg_event_value';
    }

public function getTranslatedName()
    {
        return Piwik::translate('Events_AvgValueDocumentation');
    }

public function compute(Row $row)
    {
        $sumEventValue = $this->getMetric($row, 'sum_event_value');
        $eventsWithValue = $this->getMetric($row, 'nb_events_with_value');

return Piwik::getQuotientSafe($sumEventValue, $eventsWithValue, $precision = 2);
    }

public function getDependentMetrics()
    {
        return array('sum_event_value', 'nb_events_with_value');
    }

public function getSemanticType(): ?string
    {
        return Dimension::TYPE_NUMBER;
    }
}

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