allowedQuantity function

num allowedQuantity(
  1. PosArticle a,
  2. num wanted
)

Deckelt eine gewünschte Menge an der Höchstmenge des Artikels.

Implementation

num allowedQuantity(PosArticle a, num wanted) {
  final grenze = a.maxQuantity;
  if (grenze == null || grenze <= 0) return wanted;
  return wanted > grenze ? grenze : wanted;
}