public static List <CartData> createList()
{
//Method is to create list of 10 values with 3 duplicated
List <CartData> cart = new List <CartData>();
CartData a = new CartData();
a.itemCode = "C001"; a.quantity = "10"; //a.description = "Max";a.uom = "dozen";
CartData b = new CartData();
b.itemCode = "C002"; b.quantity = "10"; //b.description = "Max"; b.uom = "dozen";
CartData c = new CartData();
c.itemCode = "C003"; c.quantity = "10"; //c.description = "Max"; c.uom = "dozen";
CartData d = new CartData();
d.itemCode = "C004"; d.quantity = "10"; //d.description = "Max"; d.uom = "dozen";
//DUPLICATE
CartData e = new CartData();
e.itemCode = "C001"; e.quantity = "10";//e.description = "Max"; e.uom = "dozen";
CartData f = new CartData();
f.itemCode = "C005"; f.quantity = "10";//f.description = "Max"; f.uom = "dozen";
CartData g = new CartData();
g.itemCode = "C006"; g.quantity = "10";//g.description = "Max"; g.uom = "dozen";
//DUPLICATE
CartData h = new CartData();
h.itemCode = "C001"; h.quantity = "10";//h.description = "Max"; h.uom = "dozen";
CartData i = new CartData();
i.itemCode = "C008"; i.quantity = "10"; //i.description = "Max"; i.uom = "dozen";
CartData j = new CartData();
j.itemCode = "C009"; j.quantity = "10";//j.description = "Max"; j.uom = "dozen";
cart.Add(a); cart.Add(b); cart.Add(c); cart.Add(d); cart.Add(e); cart.Add(f); cart.Add(g);
cart.Add(h); cart.Add(i); cart.Add(j);
return(cart);
}
public static List <CartData> CombineDuplicates(List <CartData> oldList)
{
List <CartData> newList = new List <CartData>();
var result = oldList.GroupBy(x => x.itemCode,
(key, values) => new
{
itemCode = key,
quantity = values.Sum(x => Int32.Parse(x.quantity)),
});
CartData c;
foreach (var item in result.ToList())
{
//Console.WriteLine(item.itemCode + ":"+item.quantity);
c = new CartData();
c.itemCode = item.itemCode; c.quantity = item.quantity.ToString();
newList.Add(c);
Console.WriteLine(c.itemCode + "," + c.quantity);
}
return(newList);
}
