public void ApplyParticipants(Guid[] newParticipantIds)
{
var delta = CollectionDeltaCalculator.CalculateCollectionDelta(newParticipantIds, Participants, s => s, d => d.ParticipantId);
delta.Added.ForEach(a => Participants.Add(new CourseParticipant {
ParticipantId = a, CourseId = Id
}));
delta.Removed.ForEach(r => Participants.Remove(r));
}
public virtual void MapCollection(IEnumerable <TSource> source, ICollection <TDestination> destination)
{
Guid SourceProperty(TSource x) => x.Id;
Guid DestinationProperty(TDestination x) => x.Id;
var delta = CollectionDeltaCalculator.CalculateCollectionDelta(source, destination, SourceProperty, DestinationProperty);
delta.Added.ForEach(x => destination.Add(_mapper.Map(x, _repository.Create())));
delta.Updated.ForEach(x => _mapper.Map(x.SourceItem, x.DestinationItem));
delta.Removed.ForEach(_repository.Remove);
}
