public void PrepareSyncResult(EsasSyncResult esasSyncResult)
{
var dbContext = _esasStagingDbContextFactory.CreateDbContext();
using (dbContext)
{
dbContext.EsasSyncResults.Add(esasSyncResult);
dbContext.SaveChanges();
}
}
public void PerformSynchronization(object sender, System.Timers.ElapsedEventArgs e)
{
try
{
_logger.LogInformation("PerformSynchronization() was called...");
if (_isSynchronizationActive)
{
// do nothing if a sync is already in progress.
_logger.LogInformation("Sync is in progress - won't start a new one.");
return;
}
var syncBundlesToRun = _syncStrategyBundles.Where(bundle => bundle.IsTimeToExecute(DateTime.Now));
// for every '_minuteIntervalBetweenEsasWsHealthcheck' minutes, do a health-check
if (DateTime.Now.Minute % _minuteIntervalBetweenEsasWsHealthcheck == 0)
{
_logger.LogInformation($"Running an ESAS WS-Healthcheck...");
EsasWebServiceHealthCheck healthCheck = _esasWebServiceHealthChecker.PerformHealthCheck();
var dbContext = _esasStagingDbContextFactory.CreateDbContext();
using (dbContext)
{
dbContext.HealthChecks.Add(healthCheck);
dbContext.SaveChanges();
}
_logger.LogInformation($"ESAS WS-Healthcheck reported status {healthCheck.HttpStatusCode}.");
if (healthCheck.HttpStatusCode != "200")
{
Exception healthCheckException = new Exception(healthCheck.Message);
_logger.LogError(healthCheckException.Message, healthCheckException);
return;
}
}
if (syncBundlesToRun.Any())
{
_isSynchronizationActive = true;
executeSyncBundles(syncBundlesToRun);
_isSynchronizationActive = false;
}
}
catch (Exception ex)
{
// Allow the service to continue, but do log the error.
_logger.LogError("ERROR: " + ex.Message, ex);
if (ex.InnerException != null)
{
_logger.LogError("ERROR: " + ex.InnerException.Message, ex.InnerException);
}
_isSynchronizationActive = false;
}
}
public DateTime GetLoadTimeCutoff(IEsasEntitiesLoaderStrategy esasEntitiesLoaderStrategy)
{
string loaderStrategyName = esasEntitiesLoaderStrategy.GetType().Name;
var dbContext = esasDbContextFactory.CreateDbContext();
using (dbContext)
{
var latestSuccesfulLoadTime = dbContext.EsasSyncResults
.OrderByDescending(ls => ls.SyncStartTimeUTC)
.FirstOrDefault(ls => ls.esasLoadResult.LoaderStrategyName == loaderStrategyName && ls.esasLoadResult.EsasLoadStatus == DAL.Models.EsasOperationResultStatus.OperationSuccesful &&
ls.esasSendResult.SendToDestinationStatus == DAL.Models.EsasOperationResultStatus.OperationSuccesful
);
if (latestSuccesfulLoadTime != null)
{
return(latestSuccesfulLoadTime.SyncStartTimeUTC);
}
else
{
// there's not a latest load-time available to us, so let's go 10 minutes back in time
return(DateTime.UtcNow.AddMinutes(-10));
}
}
}