public async Task <Result <Nothing, Error> > Handle(DeleteNote.Command request, CancellationToken cancellationToken)
{
var deletingUser = await _userAccessor.GetUser();
var result = await _aggregateStore.Update <SchoolAggregate, SchoolId, Result <Nothing, Error> >(
SchoolId.With(request.SchoolId), CommandId.New,
async (aggregate, token) => {
var notes = aggregate.Notes.Where(x => x.NoteId == request.NoteId).ToList();
var note = aggregate.Notes.SingleOrDefault(x => x.NoteId == request.NoteId);
return
(await _authService.AuthorizeAsResult(await _userAccessor.GetClaimsPrincipal(), note, AuthorizationPolicies.OwningCoordinatorOnly)
.Tap(result => aggregate.DeleteNote(request, deletingUser, _clock.GetCurrentInstant())));
},
cancellationToken);
return(result.Unwrap());
}