public void TakeSnapshot(Guid aggregateId)
{
// arrange;
var savedEvents = new IAggregateEvent <Guid>[]
{
new GiftCardCreated(aggregateId, DateTime.UtcNow.AddDays(-10), 100),
new GiftCardDebited(aggregateId, 2, DateTime.UtcNow.AddDays(-5), 30),
new GiftCardDebited(aggregateId, 3, DateTime.UtcNow.AddDays(-2), 20)
};
var sut = new GiftCard(aggregateId, savedEvents);
// act
sut.TakeSnapshot();
// assert
Assert.Equal(3, sut.Version);
IAggregateChangeset <Guid> changeset = sut.GetChangeset();
Assert.NotNull(changeset.Snapshot);
Assert.IsType <GiftCardSnapshot>(changeset.Snapshot);
var snapshot = changeset.Snapshot as GiftCardSnapshot;
Assert.Equal(aggregateId, snapshot.AggregateId);
Assert.Equal(3, snapshot.AggregateVersion);
Assert.Equal(sut.Balance, snapshot.Balance);
}
public async Task <IActionResult> OnPostTakeSnapshot(Guid id)
{
GiftCard giftCard = await _repository.FindGiftCardAsync(id)
?? throw new InvalidOperationException("Gift card not found");
giftCard.TakeSnapshot();
await _repository.SaveGiftCardAsync(giftCard);
return(RedirectToPage(new { id }));
}
