public IActionResult OrderDepthView()
{
var resultModel = new OrderDepthViewModel();
return(View(resultModel));
}
public async Task <IActionResult> OrderDepthView(OrderDepthViewModel orderForm)
{
using var client = new HttpClient();
var resultModel = new OrderDepthViewModel();
var res = await client.GetAsync("https://localhost:44346/api/stockorders"); // gets current order depth
string str = await res.Content.ReadAsStringAsync();
List <OrderDepthViewModel> model = JsonConvert.DeserializeObject <List <OrderDepthViewModel> >(str);
var historyResultModel = new OrderDepthViewResultModel
{
Histories = new List <OrderDepthViewModel>(model)
};
// separate the buy-orders from sell-orders
List <OrderDepthViewModel> buyOrders = model.FindAll(
delegate(OrderDepthViewModel stock)
{
return(stock.BuySell == 0);
}
);
List <OrderDepthViewModel> sellOrders = model.FindAll(
delegate(OrderDepthViewModel stock)
{
return(stock.BuySell == 1);
}
);
// grouping buy
var ordersGroupedByPriceBuy = buyOrders.GroupBy(od => od.PriceLimit);
List <OrderDepthViewModel> buyOrdersOut = new List <OrderDepthViewModel>();
foreach (var group in ordersGroupedByPriceBuy)
{
int counter = 0;
OrderDepthViewModel odv = new OrderDepthViewModel();
foreach (var ord in group)
{
odv = ord;
counter = counter + ord.StockCount;
}
odv.StockCount = counter;
buyOrdersOut.Add(odv);
}
// grouping sell
var ordersGroupedByPrice = sellOrders.GroupBy(od => od.PriceLimit);
List <OrderDepthViewModel> sellOrdersOut = new List <OrderDepthViewModel>();
foreach (var group in ordersGroupedByPrice)
{
int counter = 0;
OrderDepthViewModel odv = new OrderDepthViewModel();
foreach (var ord in group)
{
odv = ord;
counter = counter + ord.StockCount;
}
odv.StockCount = counter;
sellOrdersOut.Add(odv);
}
// sort the two lists by PriceLimit
if (buyOrdersOut.Any())
{
buyOrdersOut.Sort(
delegate(OrderDepthViewModel s1, OrderDepthViewModel s2)
{
return(s2.PriceLimit.CompareTo(s1.PriceLimit));
}
);
}
// sort the sell-orders by PriceLimit
if (sellOrdersOut.Any())
{
sellOrdersOut.Sort(
delegate(OrderDepthViewModel s1, OrderDepthViewModel s2)
{
return(s1.PriceLimit.CompareTo(s2.PriceLimit));
}
);
}
resultModel.OrderBuy = buyOrdersOut;
resultModel.OrderSell = sellOrdersOut;
resultModel.OrderDepthResult = historyResultModel;
return(View(resultModel));
}
