//Check Item avaialbility for order
public bool checkItem(string code)
{
bool isavailable = false;
foreach (Product p in menuItems.getItemList())
{
if (code == p.getCode())
{
isavailable = true;
}
}
return(isavailable);
}
//This method process the individucal product and its ordered quantity and make it as SalesItem object
//Break down the total order qunatity
public List <SalesItems> processQuantity(string code, int orderQty)
{
//Initialise salesItemsList
itemsList = new List <SalesItems>();
//Search ProductList(pList) for ordered product get it's pack sizes and item value
foreach (Product p in pList.getItemList())
{
if (p.getCode() == code)
{
//Read pack size and prize
List <KeyValuePair <int, double> > packSizedata = p.getPackDetails();
//Sort List DESC
packSizedata.Sort((x, y) => (y.Key.CompareTo(x.Key)));
//Hold curent order quantiry
int qty = orderQty;
//Count checked packsizes
//foreach (KeyValuePair<int, double> pk in packSizedata)
for (int counter = 0; counter < packSizedata.Count; counter++)
{
// Calculate no of packs based on pack size
int noOfPacks = qty / packSizedata[counter].Key;
// set new quantity
qty = qty - (packSizedata[counter].Key * noOfPacks);
if (noOfPacks >= 1)
{
//Create SalesItem and store in shopping cart array
SalesItems salesItem = new SalesItems(code, noOfPacks, packSizedata[counter].Key, ((packSizedata[counter].Value) * noOfPacks));
itemsList.Add(salesItem);
}
}
}
}
return(this.itemsList);
}
