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<?php
/**
* Piwik - 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\Goals\Columns\Metrics;
use Piwik\Archive\DataTableFactory;
use Piwik\DataTable;
use Piwik\DataTable\Row;
use Piwik\Metrics;
use Piwik\Metrics\Formatter;
use Piwik\Piwik;
use Piwik\Plugin\ProcessedMetric;
use Piwik\Tracker\GoalManager;
/**
* The amount of revenue per visit (or per conversion if there are no visits). Calculated as:
*
* sum(revenue for all goals) / (nb_visits or nb_conversions if no visits)
*
* Goal revenue and nb_visits & nb_conversions are calculated by the archiving process.
*/
class RevenuePerVisit extends ProcessedMetric
{
private $idSite;
public function getName()
{
return 'revenue_per_visit';
}
public function getTranslatedName()
{
return Piwik::translate('General_ColumnValuePerVisit');
}
public function getDependentMetrics()
{
return array('revenue', 'nb_visits', 'nb_conversions','goals');
}
public function compute(Row $row)
{
$mappingFromNameToIdGoal = Metrics::getMappingFromNameToIdGoal();
$goals = $this->getMetric($row, 'goals') ?: array();
$revenue = 0;
foreach ($goals as $goalId => $goalMetrics) {
if ($goalId == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_CART) {
continue;
}
if ($goalId >= GoalManager::IDGOAL_ORDER
|| $goalId == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_ORDER
) {
$revenue += (int) $this->getMetric($goalMetrics, 'revenue', $mappingFromNameToIdGoal);
}
}
if ($revenue == 0) {
$revenue = (int) $this->getMetric($row, 'revenue');
}
$nbVisits = (int) $this->getMetric($row, 'nb_visits');
$conversions = (int) $this->getMetric($row, 'nb_conversions');
// If no visit for this metric, but some conversions, we still want to display some kind of "revenue per visit"
// even though it will actually be in this edge case "Revenue per conversion"
return Piwik::getQuotientSafe($revenue, $nbVisits == 0 ? $conversions : $nbVisits, GoalManager::REVENUE_PRECISION);
}
public function format($value, Formatter $formatter)
{
return $formatter->getPrettyMoney($value, $this->idSite);
}
public function beforeFormat($report, DataTable $table)
{
$this->idSite = DataTableFactory::getSiteIdFromMetadata($table);
return !empty($this->idSite); // skip formatting if there is no site to get currency info from
}
}
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