/**
* @return ReplicationContext
*/
public function beginUpdate()
{
$initialDateTime = new \DateTime();
$beginObjectsDateTime = new \DateTime('1970-01-01');
$lastUpdate = $this->_dataReplicationRepository->readLastUpdate();
if ($lastUpdate !== null) {
if ($lastUpdate->endDateTime === null) {
$lastUpdate->endDateTime = $initialDateTime;
$this->_dataReplicationRepository->endUpdate($lastUpdate);
if ($lastUpdate->boundaryDateTime !== null) {
$beginObjectsDateTime = clone $lastUpdate->boundaryDateTime;
} else {
$beginObjectsDateTime = clone $lastUpdate->startDateTime;
}
} else {
$beginObjectsDateTime = clone $lastUpdate->endDateTime;
}
}
$beginObjectsDateTimeString = $beginObjectsDateTime->format('Y-m-d H:i:s');
$endObjectsDateTimeString = $initialDateTime->format('Y-m-d H:i:s');
Yii::info("UpdateService::beginUpdate() - Read history objects by date from {$beginObjectsDateTimeString} to {$endObjectsDateTimeString}", Logger::LEVEL_INFO, self::SERVICE_CATEGORY);
$objectsToUpdate = $this->_objectHistoryRepository->read($beginObjectsDateTime, $initialDateTime);
$currentUpdate = $this->_dataReplicationRepository->startUpdate($initialDateTime);
$this->_updateContext = new ReplicationContext();
$this->_updateContext->currentUpdate = $currentUpdate;
$this->_updateContext->objectsToUpdate = $objectsToUpdate;
return $this->_updateContext;
}
/**
* Список изменённых объектов с заданного времени и интервалом времени
*
* @param \DateTime $startDateTime Начальное время, с которого возвращается список изменённых объектов
* @param \DateTime $endDateTime
*
* @internal param \DateInterval $dateInterval Интервал времени
*
* @return ObjectHistoryItem[]
*/
function retrieve(\DateTime $startDateTime, \DateTime $endDateTime)
{
return $this->_objectHistoryRepository->read($startDateTime, $endDateTime);
}
