internal static int GetToShoppingListQuantity(int articleId, int?minQuantity = null, int?prefQuantity = null)
{
if ((minQuantity == null) || (prefQuantity == null))
{
ArticleData article = Database.GetArticleData(articleId);
// Artikle ist noch (gar) nicht angelegt?
// (Laut Absturzbericht ist so ein Fall vorhanden, konnte aber nicht reproduziert werden.)
if (article == null)
{
return(-1);
}
minQuantity = article.MinQuantity.HasValue ? article.MinQuantity.Value : 0;
prefQuantity = article.PrefQuantity.HasValue ? article.PrefQuantity.Value : 0;
}
int isQuantityInStorage = (int)Database.GetArticleQuantityInStorage(articleId);
int toBuyQuantity = ShoppingListHelper.GetToBuyQuantity(minQuantity.Value, prefQuantity.Value, isQuantityInStorage);
int shoppingListQuantiy = (int)Database.GetShoppingListQuantiy(articleId);
toBuyQuantity = toBuyQuantity - shoppingListQuantiy;
if (toBuyQuantity < 0) // Mehr auf der Einkaufsliste als berechnet?
{
return(0);
}
return(toBuyQuantity);
}
internal static int GetToShoppingListQuantity(int articleId, int minQuantity, int prefQuantity)
{
int isQuantity = (int)Database.GetArticleQuantityInStorage(articleId);
int toBuyQuantity = ShoppingListHelper.GetToBuyQuantity(minQuantity, prefQuantity, isQuantity);
int shoppingListQuantiy = (int)Database.GetShoppingListQuantiy(articleId);
toBuyQuantity = toBuyQuantity - shoppingListQuantiy;
if (toBuyQuantity < 0) // Mehr auf der Einkaufsliste als berechnet?
{
return(0);
}
return(toBuyQuantity);
}
public static void UnitTest()
{
// MinQuantity PrefQuantity IsQuantity ToBuy
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 0, 4) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 0, 3) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 0, 2) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 0, 1) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 0, 0) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 6) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 5) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 4) == 1);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 3) == 2);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 2) == 3);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 1) == 4);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 0, 0) == 5);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 9) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 8) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 7) == 1);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 6) == 2);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 5) == 3);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 4) == 4);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 3) == 5);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 2) == 6);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 1) == 7);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(0, 8, 0) == 8);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 9) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 8) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 7) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 6) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 5) == 0);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 4) == 4);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 3) == 5);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 2) == 6);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 1) == 7);
Trace.Assert(ShoppingListHelper.GetToBuyQuantity(5, 8, 0) == 8);
}
