private Validation <ValidationError, IEnumerable <string> > Validate(AddTitles param)
{
if (param.Titles.Any())
{
return(Success <ValidationError, IEnumerable <string> >(param.Titles));
}
var error = ValidationError.Create(nameof(AddTitles.Titles), new[] { "Titles collection is empty" });
return(Fail <ValidationError, IEnumerable <string> >(error));
}
public Task <Either <DomainError, Unit> > Handle(AddTitles request, CancellationToken cancellationToken)
{
return(Validate(request)
.ToEither(nameof(AddTitles))
.BindAsync(Save));
}
