/// <summary>
/// filter only 'not null' IDomainEvent(s) and range of required date is applied.
/// </summary>
/// <param name="globalPosition"></param>
/// <param name="pageSize"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <AllEventsPage> LoadAllEventsAsync(
GlobalPosition globalPosition,
int pageSize,
CancellationToken cancellationToken)
{
try
{
if (pageSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(pageSize));
}
var task = _eventPersistence.LoadAllCommittedEvents(
globalPosition,
pageSize,
cancellationToken);
var allCommittedEventsPage = task.Result;
var exception = task.Exception;
IEnumerable <ICommittedDomainEvent> committedDomainEvents = allCommittedEventsPage.CommittedDomainEvents.ToList();
var domainEvents = committedDomainEvents
.Select(e => _eventJsonSerializer.Deserialize(e)).Where(e => e != null && (_dataRetrievalConfiguration.FromDate.HasValue && _dataRetrievalConfiguration.ToDate.HasValue && e.Timestamp.DateTime >= _dataRetrievalConfiguration.FromDate && e.Timestamp.DateTime <= _dataRetrievalConfiguration.ToDate ||
_dataRetrievalConfiguration.FromDate.HasValue && !_dataRetrievalConfiguration.ToDate.HasValue && e.Timestamp.DateTime >= _dataRetrievalConfiguration.FromDate ||
!_dataRetrievalConfiguration.FromDate.HasValue && _dataRetrievalConfiguration.ToDate.HasValue && e.Timestamp.DateTime <= _dataRetrievalConfiguration.ToDate ||
!_dataRetrievalConfiguration.FromDate.HasValue && !_dataRetrievalConfiguration.ToDate.HasValue)).ToList();
var domainEventsList = (IReadOnlyCollection <IDomainEvent>)domainEvents;
domainEventsList = _eventUpgradeManager.Upgrade(domainEventsList);
return(new AllEventsPage(allCommittedEventsPage.NextGlobalPosition, domainEventsList));
}
catch (Exception exp)
{
_log.Error($"Exception : {exp.Message}");
return(null);
}
}
public async Task <AllEventsPage> LoadAllEventsAsync(
GlobalPosition globalPosition,
int pageSize,
CancellationToken cancellationToken)
{
if (pageSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(pageSize));
}
var allCommittedEventsPage = await _eventPersistence.LoadAllCommittedEvents(
globalPosition,
pageSize,
cancellationToken)
.ConfigureAwait(false);
var domainEvents = (IReadOnlyCollection <IDomainEvent>)allCommittedEventsPage.CommittedDomainEvents
.Select(e => _eventJsonSerializer.Deserialize(e))
.ToList();
domainEvents = _eventUpgradeManager.Upgrade(domainEvents);
return(new AllEventsPage(allCommittedEventsPage.NextGlobalPosition, domainEvents));
}