/**
* Returns an instance of class (singleton pattern implementation).
*
* @return BOL_SiteStatisticDao
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Get statistics
*
* @param array $entities
* @param string $period
* @return array
*/
public function getStatistics(array $entities, $period = self::PERIOD_TYPE_TODAY)
{
switch ($period) {
case self::PERIOD_TYPE_LAST_YEAR:
$statistics = $this->siteStatisticsDao->getLastYearStatistics($entities);
break;
case self::PERIOD_TYPE_LAST_30_DAYS:
$statistics = $this->siteStatisticsDao->getLast30DaysStatistics($entities);
break;
case self::PERIOD_TYPE_LAST_7_DAYS:
$statistics = $this->siteStatisticsDao->getLast7DaysStatistics($entities);
break;
case self::PERIOD_TYPE_YESTERDAY:
$statistics = $this->siteStatisticsDao->getYesterdayStatistics($entities);
break;
case self::PERIOD_TYPE_TODAY:
default:
$statistics = $this->siteStatisticsDao->getTodayStatistics($entities);
}
return $statistics;
}
