public DataHandlerCounter(EventDataHandler <T, V> dataHandler, IContext fallback)
: base(fallback)
{
this.dataHandler = dataHandler;
EventDataHandlerUtil.RegisterProcessAllShutdownHook <T, V>(dataHandler);
EventDataHandlerUtil.RegisterTimedProcessing <T, V>(dataHandler);
}
public async Task <Tuple <Event, ErrorViewModel> > Handle(SaveEventCommand cmd, CancellationToken cancellationToken)
{
Tuple <Event, ErrorViewModel> result = null;
Event resultEvent = null;
EventTranslation resultEventTranslation = null;
if (!cmd.EventId.HasValue)
{
resultEvent = new Event();
EventDataHandler.SetData(resultEvent, cmd);
db.Events.Add(resultEvent);
resultEventTranslation = new EventTranslation();
EventTranslationDataHandler.SetData(resultEventTranslation, cmd);
resultEventTranslation.Event = resultEvent;
db.EventTranslations.Add(resultEventTranslation);
}
else
{
resultEvent = db.Events.Where(e => e.EventId == cmd.EventId).FirstOrDefault();
if (resultEvent == null)
{
logger.LogError("Existing event was not found when tried to update it. EventId: " + cmd.EventId);
result = new Tuple <Event, ErrorViewModel>(null, new ErrorViewModel()
{
ErrorCode = (int)AppError.DbRecordNotFound
});
return(result);
}
EventDataHandler.SetData(resultEvent, cmd);
db.Events.Update(resultEvent);
if (!cmd.EventTranslationId.HasValue)
{
resultEventTranslation = new EventTranslation();
EventTranslationDataHandler.SetData(resultEventTranslation, cmd);
resultEventTranslation.Event = resultEvent;
db.EventTranslations.Add(resultEventTranslation);
}
else
{
resultEventTranslation = db.EventTranslations.Where(x => x.EventTranslationId == cmd.EventTranslationId).FirstOrDefault();
if (resultEventTranslation == null)
{
logger.LogError("Existing event translation was not found when trying to udpate it. EventTranslationId: " + cmd.EventTranslationId);
result = new Tuple <Event, ErrorViewModel>(null, new ErrorViewModel()
{
ErrorCode = (int)AppError.DbRecordNotFound
});
return(null);
}
EventTranslationDataHandler.SetData(resultEventTranslation, cmd);
db.EventTranslations.Update(resultEventTranslation);
}
}
await db.SaveChangesAsync();
result = new Tuple <Event, ErrorViewModel>(resultEvent, null);
return(result);
}
public DataHandlerCounter(EventDataHandler <T, V> dataHandler)
: this(dataHandler, UnknownContext.PERMISSIVE)
{
}
