/// <summary>
/// Initializes a new instance of the <see cref="EfAggregateMemento" /> class.
/// </summary>
/// <param name="aggregate">The aggregate instance.</param>
protected EfAggregateMemento(EventSourcedAggregateRoot aggregate) : this()
{
if (aggregate == null)
{
throw new ArgumentNullException(nameof(aggregate));
}
AggregateRootId = aggregate.Id;
LastEventSequence = aggregate.LastEventSequence;
Version = aggregate.Version;
Payload = JsonObjectSerializer.New().Serialize(aggregate);
}
protected async Task SaveUncommittedEventsAsync(EventSourcedAggregateRoot aggregate, Guid streamId)
{
var created = DateTime.UtcNow;
var uncommittedEvents = aggregate.GetUncommittedEvents()
.Select((e, i) => CreateEventData(streamId, e, created, i))
.ToList();
uncommittedEvents.ForEach(e => _dbContext.Events.Add(e));
await _dbContext.SaveChangesAsync();
aggregate.ClearUncommittedEvents();
}
