/*
* Info from EFGS team:
* EFGS will never change a existing batch.
* Batching process is triggered all 5 minutes. And then the batching searches all uploaded keys of the last 5 minutes. And these keys will be put into a new batch
*
*/
public void DownloadKeysFromGateway(int forLastNumberOfDays)
{
var lastDownloadState = _settingsService.GetGatewayDownloadState();
string lastSyncedBatchTag = lastDownloadState.LastSyncedBatchTag;
var lastSyncDateTicks = lastDownloadState.LastSyncDate;
var lastSyncDate = lastSyncDateTicks.HasValue ? new DateTime(lastSyncDateTicks.Value, DateTimeKind.Utc) : DateTime.UnixEpoch;
DateTime todayDate = DateTime.UtcNow.Date;
// It there hasn't been sync for more than {maximumNumberOfDaysBack} change date to the oldest possible and reset the batchTag
DateTime oldestDatePossible = todayDate.AddDays(-forLastNumberOfDays + 1);
var startDate = lastSyncDate < oldestDatePossible ? oldestDatePossible : lastSyncDate;
if (startDate != lastSyncDate)
{
lastSyncedBatchTag = null; // date has changed BatchTag need to be reset
_logger.LogWarning($"CHECK IF DOWNLOAD IS CALLED PERIODICALLY. Last Download has been at {lastSyncDate.Date}." +
$" The gateway have history only for last {forLastNumberOfDays} days (from <{oldestDatePossible},{todayDate}>).");
}
var currentDownloadDate = startDate;
while (currentDownloadDate <= todayDate)
{
var lastProcessedBatchTag = DownloadKeysFromGatewayFromGivenDate(currentDownloadDate, lastSyncedBatchTag);
//save lastProcessedBatchTag
var currentState = new GatewayDownloadState()
{
LastSyncDate = currentDownloadDate.Ticks,
LastSyncedBatchTag = lastProcessedBatchTag
};
_settingsService.SaveGatewaySyncState(currentState);
currentDownloadDate = currentDownloadDate.AddDays(1);
lastSyncedBatchTag = null;
}
}
public void Save(GatewayDownloadState lastSyncState)
{
var jsonString = JsonSerializer.Serialize(lastSyncState);
SetProperty(Keys.DownloadState, jsonString);
}
public GatewayDownloadState GetDownloadState()
{
GatewayDownloadState syncStatusDto = GetStateOrNull <GatewayDownloadState>(Keys.DownloadState);
return(syncStatusDto ?? new GatewayDownloadState());
}
public void SaveGatewaySyncState(GatewayDownloadState lastSyncState)
{
ModelValidator.ValidateContract(lastSyncState);
_syncStateDao.Save(lastSyncState);
}
