public JsonResult CompleteVending(string FinishVendingString)
{
// Some Preprocessing
JObject jObject = JObject.Parse(FinishVendingString);
JArray CoinJArray = (JArray)jObject["Coins"];
Coin[] CoinsInserted = new Coin[CoinJArray.Count];
for (int i = 0; i < CoinJArray.Count; i++)
{
CoinsInserted[i] = new Coin(CoinJArray[i].ToString());
}
string ProductName = (string)jObject["ProductName"];
decimal RemainingAmount = 0.00m;
//Validate the coins
bool CoinsValidated = VendingService.ValidateInsertedCoins(CoinsInserted);
//Validate the product
bool ProductValidated = VendingService.ValidateProduct(ProductName);
//Amount to be returned
decimal AmountToBeReturned = 0.00m;
if (CoinsValidated && ProductValidated)
{
decimal TotalAmount = VendingService.SumOfCoins(CoinsInserted);
//Subtract Product Count
VendingService.SubtractProductCount(ProductName);
//Tender the change;
RemainingAmount = VendingService.TenderChange(TotalAmount, ProductName);
if (RemainingAmount == 0)
{
AmountToBeReturned = TotalAmount - VendingService.GetProductCost(ProductName);
//Add inserted coins to the existing pool of coins
VendingService.AddToExistingChange(CoinsInserted);
}
}
//It does not carry any sensitive information - So we can allow get.
return(Json(new { RemainingAmount = RemainingAmount, CoinsValidated = CoinsValidated, ProductValidated = ProductValidated, AmountToBeReturned = AmountToBeReturned }, JsonRequestBehavior.AllowGet));
}