AdminHelper::getTestCapacity

static function getTestCapacity($id)
{
	$cache = new CPHPCache();

	if ($cache->initCache(time()-strtotime('today'), 'abtest_capacity_'.intval($id), '/abtest'))
	{
		$capacity = $cache->getVars();
	}
	else if (Loader::includeModule('conversion'))
	{
		if ($conversionRates = ConversionRateManager::getTypes(array('ACTIVE' => true)))
		{
			if ($abtest = ABTestTable::getById($id)->fetch())
			{
				$lid = $abtest['SITE_ID'];

				$baseRate = array_slice($conversionRates, 0, 1, true);

				$reportContext = new ConversionReportContext;

				$reportContext->setAttribute('conversion_site', $lid);
				$reportContext->setAttribute('abtest', $id);

				$reportContext->setAttribute('abtest_section', 'A');
				$groupAData = reset($reportContext->getRatesDeprecated($baseRate, array(), null));

				$reportContext->unsetAttribute('abtest_section', 'A');
				$reportContext->setAttribute('abtest_section', 'B');
				$groupBData = reset($reportContext->getRatesDeprecated($baseRate, array(), null));

				$capacity = array(
					'A' => $groupAData['DENOMINATOR'],
					'B' => $groupBData['DENOMINATOR']
				);

				$cache->startDataCache(strtotime('tomorrow')-time());
				$cache->endDataCache($capacity);
			}
		}
	}

	return !empty($capacity) ? $capacity : array('A' => 0, 'B' => 0);
}