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<?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\Goals\Columns\Metrics\GoalSpecific;
use Piwik\Columns\Dimension;
use Piwik\DataTable\Row;
use Piwik\Metrics;
use Piwik\Metrics\Formatter;
use Piwik\Piwik;
use Piwik\Plugins\Goals\Columns\Metrics\GoalSpecificProcessedMetric;
use Piwik\Plugins\Goals\Goals;
/**
* The page conversion rate for a specific goal. Calculated as:
*
* goal's nb_conversions / sum_daily_nb_uniq_visitors
*
* The goal's nb_conversions is calculated by the Goal archiver and nb_visits
* by the core archiving process.
*/
class ConversionPageRate extends GoalSpecificProcessedMetric
{
public function getName()
{
return Goals::makeGoalColumn($this->idGoal, 'nb_conversions_page_rate', false);
}
public function getTranslatedName()
{
return Piwik::translate('Goals_ConversionRatePageViewedBefore', $this->getGoalName());
}
public function getDocumentation()
{
return Piwik::translate('Goals_ColumnConversionRatePageViewedBeforeDocumentation', $this->getGoalNameForDocs());
}
public function getDependentMetrics()
{
return ['goals'];
}
public function format($value, Formatter $formatter)
{
return $formatter->getPrettyPercentFromQuotient($value);
}
public function compute(Row $row)
{
$mappingFromNameToIdGoal = Metrics::getMappingFromNameToIdGoal();
$goalMetrics = $this->getGoalMetrics($row);
return $this->getMetric($goalMetrics, 'nb_conversions_page_rate', $mappingFromNameToIdGoal);
}
public function getSemanticType(): ?string
{
return Dimension::TYPE_PERCENT;
}
}
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