public static Produt FetchProducts()
{
var products = new Produt
{
prouctItems = new List <ProdutItems>()
{
new ProdutItems()
{
productId = 1, productName = "P1", productCost = 1, productValue = 200
},
new ProdutItems()
{
productId = 2, productName = "P2", productCost = 2, productValue = 40
},
new ProdutItems()
{
productId = 3, productName = "P3", productCost = 3, productValue = 60
},
new ProdutItems()
{
productId = 4, productName = "P4", productCost = 4, productValue = 200
}
}
};
return(products);
}
public static int GetMaxValue(int budget, Produt objProds)
{
int toatlValue = 0;
int costSpent = 0;
string productsList = "";
string productNames = "";
//var objProds = new Produt();
int[] arrIds = objProds.prouctItems.Select(item => item.productId).ToArray();
/* * Calls the method to get the Subsets of an Array*/
List <string> arrListIds = GetSubStrings(arrIds);
/* Iterates through the subset Ids in the Dataset and Calcualtes Max Value of Product - Starts */
Dictionary <string, int> dictProduct = new Dictionary <string, int>();
foreach (var str in arrListIds)
{
int totValue = 0;
int totCost = 0;
if (str != "")
{
List <string> lstIds = str.Split(',').ToList();
foreach (var prodId in lstIds)
{
var prodQuery = from Produt in objProds.prouctItems
where Produt.productId == Convert.ToInt32(prodId)
select Produt;
var prodQueryMax = from Produt in objProds.prouctItems
where Produt.productId == Convert.ToInt32(prodId)
select Produt;
foreach (var cols in prodQuery)
{
if ((totCost + cols.productCost) <= budget)
{
totValue = totValue + cols.productValue;
totCost = totCost + cols.productCost;
}
}
}
}
//Stores the Maximum Value for the different combination of ProductIds
if (!dictProduct.ContainsValue(totValue))
{
dictProduct.Add(str, totValue);
}
}
/* Iterates through the subset Ids in the Dataset and Calcualtes Max Value - Ends */
//Sort the Dictionary in Descending Order and Fetches the Maximum Value Product Purchase
var maxValue = dictProduct.OrderByDescending(i => i.Value).First();
toatlValue = maxValue.Value;
productsList = maxValue.Key;
/* Code to Display the Result: Product Name: Value: CostSpent - Starts */
if (productsList != "")
{
List <string> lstMaxValIds = productsList.Split(',').ToList();
foreach (var Id in lstMaxValIds)
{
var prodResultQuery = from Produt in objProds.prouctItems
where Produt.productId == Convert.ToInt32(Id)
select Produt;
foreach (var cols in prodResultQuery)
{
if (productNames == "")
{
productNames = cols.productName;
}
else
{
productNames = productNames + "," + cols.productName;
}
costSpent = costSpent + cols.productCost;
}
}
}
Console.WriteLine("Maximum Value of product purchased: {0}", toatlValue);
Console.WriteLine("Product purchased: {0}", productNames);
Console.WriteLine("Cost Spent: {0}CHF", costSpent);
/* Code to Display the Result: Product Name: Value: CostSpent - Ends */
return(toatlValue);
}