protected async Task DeleteAsync(TEntity persistedEntity, string etag, CancellationToken cancellationToken)
{
using (new SessionScope(SessionFactory))
{
if (persistedEntity == null)
{
throw new NotFoundException("Resource to delete was not found.");
}
// only check last modified data
if (!string.IsNullOrEmpty(etag))
{
var lastModifiedDate = _eTagProvider.GetDateTime(etag);
if (!persistedEntity.LastModifiedDate.Equals(lastModifiedDate))
{
throw new ConcurrencyException("Resource was modified by another consumer.");
}
}
using (var trans = Session.BeginTransaction())
{
try
{
var classMetadata = (AbstractEntityPersister)Session.SessionFactory.GetClassMetadata(typeof(TEntity));
string entityName = classMetadata.IsInherited
? classMetadata.MappedSuperclass
: classMetadata.Name;
await Session.CreateQuery($"delete from {entityName} where Id = :id")
.SetParameter("id", persistedEntity.Id)
.ExecuteUpdateAsync(cancellationToken);
await trans.CommitAsync(cancellationToken);
}
catch (Exception)
{
await trans.RollbackAsync(cancellationToken);
throw;
}
}
}
}
public void When_GetDateTime_input_invalid__throw_()
{
const string etag = "-0080000000000058000"; //invalid DateTime test
Assert.Throws <BadRequestException>(() => _eTagProvider.GetDateTime(etag));
}
