public EsasSyncStrategy(SyncStrategySettings syncStrategySettings, IEsasEntitiesLoaderStrategy esasEntitiesLoaderStrategy, IEsasSyncDestination syncDestination, ISyncResultsDestination syncResultsDestination, ILogger logger)
{
_syncResultsDestination = syncResultsDestination;
_logger = logger;
SyncStrategySettings = syncStrategySettings;
EsasEntitiesLoaderStrategy = esasEntitiesLoaderStrategy;
_esasSyncDestination = syncDestination;
}
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));
}
}
}
public DateTime GetLoadTimeCutoff(IEsasEntitiesLoaderStrategy esasEntitiesLoaderStrategy)
{
return(new DateTime(1963, 11, 22)); // J.F.K. RIP
}
