public JsonResult doit2(Rq rq)
{
var rq_ =
Some(rq)
.Where(validator.IsValid)
.ForEach(doit);
return(Json(new { ok = false, rq = rq, rq_ = rq_, message = "IsValid rets option , so can be chained" }, JsonRequestBehavior.AllowGet));
}
public JsonResult doit1(Rq rq)
{
var valid = validator.IsValid(rq);
if (valid)
{
///doit
}
return(Json(new { ok = valid, rq = rq, message = "IsValid rets bool, controller fun has an imperative if" }, JsonRequestBehavior.AllowGet));
}
public JsonResult doit3(Rq rq)
{
var rq_ =
Some(rq) // basketise in an Option
.Map(Normalise) // remove extra spaces, capitalise
.Where(validator.IsValid) // is valid?
.ForEach(doit); // side effect
return(Json(new { ok = false, rq = rq, rq_ = rq_, message = "IsValid rets option , controller fun ..." }, JsonRequestBehavior.AllowGet));
}
public Rq Normalise(Rq rq)
{
if (rq != null)
{
rq.id = rq?.id?.Trim();
}
if (rq != null)
{
rq.name = rq?.name?.Trim().ToUpper();
}
return(rq);
}
private void doit(Rq rq)
{
repo
.Get(rq.id)
.Bind(account => account.Debit(rq.transferAmount))
.ForEach(account =>
{
// There are 2 statements here ...
// They have side-effects and its both-together ...
// create single Task representing both ops,
// and have process that performs both
// remove the task ONLY when both carried out
// both ops may get performed more than once ...
// => make provisions so that both tasks are idempotent
repo.Save(rq.id, account);
swift.Wire(rq, account);
});
}