protected void Application_Start()
{
try
{
_logger.Info("App is starting...");
//
AreaRegistration.RegisterAllAreas();
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
// DB
Database.SetInitializer(new CreateDatabaseIfNotExists<DataModelContext>());
var ctx = new DataModelContext();
try
{
_logger.Info("Database inited. Version: {0}", ctx.GetDbVersion());
_logger.Info("Transactions count: {0}", this.Application["TransactionsCount"] = ctx.GetTransactionsCount());
} finally
{
ctx.Dispose();
}
//
StatsExample.ValidPeriod = Settings.Default.ExampleValidPeriod;
//
_logger.Info("App started.");
} catch(Exception ex)
{
_logger.Error(ex);
throw;
}
}
public ActionResult CreateStatsExample(long typeId, [DataSourceRequest] DataSourceRequest request, StatsExampleModel model)
{
if(model != null && this.ModelState.IsValid)
{
try
{
var guid = Guid.NewGuid().ToString("N");
using(var ctx = new DataModelContext())
{
var newExample = new StatsExample
{
Timestamp = DateTime.Now,
Name = model.Name,
IdLink = guid,
StatsTypeId = typeId
};
ctx.StatsExamples.Add(newExample);
//
ctx.SaveChanges();
}
} catch(Exception ex)
{
LogManager.GetCurrentClassLogger().Error(ex);
this.ModelState.AddModelError("save_error", ex.Message);
}
}
return this.Json(new[] {model}.ToDataSourceResult(request, this.ModelState));
}
public ActionResult CreateStatsType([DataSourceRequest] DataSourceRequest request, StatsTypeModel model)
{
if(model != null && this.ModelState.IsValid)
{
try
{
using(var ctx = new DataModelContext())
{
ctx.StatsTypes.Add(new StatsType
{
Name = model.Name,
TypeId = model.TypeConfig.Id
});
//
ctx.SaveChanges();
}
} catch(Exception ex)
{
LogManager.GetCurrentClassLogger().Error(ex);
this.ModelState.AddModelError("save_error", ex.Message);
}
}
this.ViewData["TransactionTypes"] = GetAllTypesConfig();
//
return this.Json(new[] {model}.ToDataSourceResult(request, this.ModelState));
}
public JsonResult Buy(long id, int idx)
{
using(var ctx = new DataModelContext())
{
using(var client = new OrderServiceClient())
{
var order = ctx.Orders.SingleOrDefault(o => o.StatsExampleId == id && o.Index == idx);
// Open order
if(order == null)
{
var openResponse = client.OpenOrder(new OpenOrderRequest
{
ExampleId = id,
OrderType = OrderTypes.Buy
});
if(!string.IsNullOrEmpty(openResponse.Error))
{
LogManager.GetCurrentClassLogger().Error(openResponse.Error);
//
return this.Json(new {Response = SetOrderErrors.Other});
}
//
return this.Json(new {Response = openResponse.SetOrderErrors});
}
// Close order
var closeResponse = client.CloseOrder(new CloseOrderRequest {ExampleId = id, Index = idx});
if(!string.IsNullOrEmpty(closeResponse.Error))
{
LogManager.GetCurrentClassLogger().Error(closeResponse.Error);
//
return this.Json(new {Response = SetOrderErrors.Other});
}
//
return this.Json(new {Response = closeResponse.SetOrderErrors});
}
}
}
public JsonResult GetPrice(string id, long exampleId, int openOrdersFlags, int closeOrdersFlags)
{
using(var ctx = new DataModelContext())
{
using(var client = new OrderServiceClient())
{
var orders = ctx.Orders.Where(o => o.StatsExampleId == exampleId).OrderBy(o => o.Index).ToList();
var idxsForReload = new List<int>();
// Check orders state
foreach(var order in orders)
{
if(((openOrdersFlags >> order.Index) & 1) == 0)
{
idxsForReload.Add(order.Index);
continue;
}
if(order.ClosePrice.HasValue && ((closeOrdersFlags >> order.Index) & 1) == 0)
idxsForReload.Add(order.Index);
}
var lastOrder = orders.LastOrDefault();
if(lastOrder != null && lastOrder.ClosePrice.HasValue && idxsForReload.Contains(lastOrder.Index) && lastOrder.Index < ctx.GetTransactionsCount() - 1 && !idxsForReload.Contains(lastOrder.Index + 1))
idxsForReload.Add(lastOrder.Index + 1);
//
var response = client.GetPrice(new GetPriceDataContractRequest {SymbolId = id});
if(response.MarketIsClosed)
return this.Json(new {MarketIsClosed = true}, JsonRequestBehavior.AllowGet);
//
return this.Json(new
{
response.Price,
TotalPips = orders.Count == 0 ? 0 : orders.Sum(o => o.Pips),
IdxsForReload = idxsForReload
}, JsonRequestBehavior.AllowGet);
}
}
}
public static bool Start()
{
try
{
// DB init
_logger.Info("Database initialization started...");
Database.SetInitializer(new MigrateDatabaseToLatestVersion<DataModelContext, Configuration>());
var ctx = new DataModelContext();
try
{
_logger.Info("Database inited. Version: {0}", ctx.GetDbVersion());
_logger.Info("Transactions count: {0}", ctx.GetTransactionsCount());
} finally
{
ctx.Dispose();
}
//
StatsExample.ValidPeriod = Settings.Default.ExampleValidPeriod;
// Start WCF hosts
StartHosts();
// Start schedulers
StartSchedulers();
//
PricesProvider.Start();
OrderManager.Start();
//
return true;
} catch(Exception ex)
{
_logger.Info(string.Format("Error while starting server: {0}", ex));
//
Stop();
//
return false;
}
}
private static void PricesProvider_PriceChanged(object sender, PriceChangedEventArgs e)
{
lock(_openOrders)
{
var orders = _openOrders.Where(o => o.SymbolId == e.SymbolId).ToList();
var closedOrders = new List<OpenOrder>();
foreach(var openOrder in orders)
{
// Check if example is not valid
if(!openOrder.Order.StatsExample.IsValid)
{
closedOrders.Add(openOrder);
//
continue;
}
//
if(openOrder.Order.OrderType == OrderTypes.Buy)
{
// Take profit
if(openOrder.Order.TakeProfit.HasValue && openOrder.Order.TakeProfit.Value <= e.SellPrice)
{
// Auto-close order
using(var ctx = new DataModelContext())
{
var order = ctx.Orders.Find(openOrder.Order.Id);
// Check if order was closed already
if(order.ClosePrice.HasValue)
{
LogManager.GetCurrentClassLogger().Warn("Take-profit for order [{0}] but order was closed already.", order.Id);
continue;
}
//
order.ClosePrice = e.SellPrice;
order.Pips = PricesProvider.CalculatePips(e.SymbolId, order.OpenPrice, order.ClosePrice.Value);
// logs
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.TakeProfitInvoke));
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.Close));
//
ctx.SaveChanges();
closedOrders.Add(openOrder);
//
LogManager.GetCurrentClassLogger().Debug("Take-profit for order [{0}]", order.Id);
}
// Stop loss
} else if(openOrder.Order.StopLoss.HasValue && openOrder.Order.StopLoss.Value >= e.SellPrice)
{
// Auto-close order
using(var ctx = new DataModelContext())
{
var order = ctx.Orders.Find(openOrder.Order.Id);
// Check if order was closed already
if(order.ClosePrice.HasValue)
{
LogManager.GetCurrentClassLogger().Warn("Stop-loss for order [{0}] but order was closed already.", order.Id);
continue;
}
//
order.ClosePrice = e.SellPrice;
order.Pips = PricesProvider.CalculatePips(e.SymbolId, order.OpenPrice, order.ClosePrice.Value);
// log
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.StopLossInvoke));
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.Close));
//
ctx.SaveChanges();
closedOrders.Add(openOrder);
//
LogManager.GetCurrentClassLogger().Debug("Stop-loss for order [{0}]", order.Id);
}
}
} else
{
// Take profit
if(openOrder.Order.TakeProfit.HasValue && openOrder.Order.TakeProfit.Value >= e.BuyPrice)
{
// Auto-close order
using(var ctx = new DataModelContext())
{
var order = ctx.Orders.Find(openOrder.Order.Id);
// Check if order was closed already
if(order.ClosePrice.HasValue)
{
LogManager.GetCurrentClassLogger().Warn("Take-profit for order [{0}] but order was closed already.", order.Id);
continue;
}
//
order.ClosePrice = e.BuyPrice;
order.Pips = PricesProvider.CalculatePips(e.SymbolId, order.ClosePrice.Value, order.OpenPrice);
// log
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.TakeProfitInvoke));
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.Close));
//
ctx.SaveChanges();
closedOrders.Add(openOrder);
//
LogManager.GetCurrentClassLogger().Debug("Take-profit for order [{0}]", order.Id);
}
// Stop loss
} else if(openOrder.Order.StopLoss.HasValue && openOrder.Order.StopLoss.Value <= e.BuyPrice)
{
// Auto-close order
using(var ctx = new DataModelContext())
{
var order = ctx.Orders.Find(openOrder.Order.Id);
// Check if order was closed already
if(order.ClosePrice.HasValue)
{
LogManager.GetCurrentClassLogger().Warn("Stop-loss for order [{0}] but order was closed already.", order.Id);
continue;
}
//
order.ClosePrice = e.BuyPrice;
order.Pips = PricesProvider.CalculatePips(e.SymbolId, order.ClosePrice.Value, order.OpenPrice);
// log
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.StopLossInvoke));
ctx.OrderLogs.Add(OrderLog.CreateLog(order, OrderLogTypes.Close));
//
ctx.SaveChanges();
closedOrders.Add(openOrder);
//
LogManager.GetCurrentClassLogger().Debug("Stop-loss for order [{0}]", order.Id);
}
}
}
}
// Remove closed orders
_openOrders.RemoveAll(closedOrders.Contains);
}
}
public ActionResult UpdateStatsExample([DataSourceRequest] DataSourceRequest request, StatsExampleModel model)
{
if(model != null && this.ModelState.IsValid)
{
try
{
using(var ctx = new DataModelContext())
{
var example = ctx.StatsExamples.Find(model.Id);
example.Name = model.Name;
ctx.SaveChanges();
}
} catch(Exception ex)
{
LogManager.GetCurrentClassLogger().Error(ex);
this.ModelState.AddModelError("save_error", ex.Message);
}
}
//
return this.Json(new[] {model}.ToDataSourceResult(request, this.ModelState));
}
public ActionResult Index(string id)
{
using(var ctx = new DataModelContext())
{
this.ViewBag.IdLink = id;
//
var statsExample = ctx.StatsExamples.Include("Orders").Include("StatsType").Include("Orders.Logs").SingleOrDefault(e => e.IdLink == id && !e.Deleted);
if(statsExample == null)
return this.RedirectToAction("NotFoundExample");
this.ViewData["StatsTypeName"] = statsExample.StatsType.Name;
var typeConfig = ((TransactionTypesConfigSection)ConfigurationManager.GetSection("TransactionTypesConfig")).Types.Cast<TypeElementConfig>().ToList().Single(tc => tc.Id == statsExample.StatsType.TypeId);
this.ViewBag.Symbol = typeConfig.Id;
this.ViewBag.Spread = Settings.Default.Spread;
this.ViewBag.SpreadTickValue = typeConfig.SpreadTickValue;
this.ViewBag.DecimalDigits = GetDecimalDigits(typeConfig.SpreadTickValue);
this.ViewBag.ExampleId = statsExample.Id;
this.ViewBag.ExampleIsValid = statsExample.IsValid;
//
var models = statsExample.Orders.OrderBy(o => o.Index).Select(o => (TransactionModel)o).ToList();
var transactionsCount = ctx.GetTransactionsCount();
if(transactionsCount > models.Count)
{
for(var idx = models.Count; idx < transactionsCount; idx++)
{
models.Add(new TransactionModel
{
StatsExampleId = statsExample.Id,
Index = idx,
Active = idx == 0 || (models[idx - 1].BuyPrice.HasValue && models[idx - 1].SellPrice.HasValue),
BuyEnabled = idx == 0 || (models[idx - 1].BuyPrice.HasValue && models[idx - 1].SellPrice.HasValue),
SellEnabled = idx == 0 || (models[idx - 1].BuyPrice.HasValue && models[idx - 1].SellPrice.HasValue),
ExampleIsValid = statsExample.IsValid
});
}
}
//
return this.View(models);
}
}
public ActionResult ReadStatsTypes([DataSourceRequest] DataSourceRequest request)
{
using(var ctx = new DataModelContext())
{
var allTypes = GetAllTypesConfig();
this.ViewData["TransactionTypes"] = allTypes;
//
return this.Json(ctx.StatsTypes.ToList().Select(t => new StatsTypeModel
{
Id = t.Id,
Name = t.Name,
TypeConfig = allTypes.Single(tc => tc.Id == t.TypeId)
}).ToDataSourceResult(request));
}
}
public ActionResult StatsExamples()
{
using(var ctx = new DataModelContext())
{
//
return this.View(ctx.StatsTypes.ToList());
}
}
public JsonResult SetTakeProfit(long id, int idx, string takeProfit)
{
using(var client = new OrderServiceClient())
{
using(var ctx = new DataModelContext())
{
var numberFormat = new NumberFormatInfo {NumberDecimalSeparator = ".", NumberGroupSeparator = ","};
var takeProfitValue = string.IsNullOrEmpty(takeProfit) ? (double?)null : double.Parse(takeProfit, numberFormat);
var stopLossValue = ctx.Orders.Single(o => o.StatsExampleId == id && o.Index == idx).StopLoss;
var response = client.ChangeOrder(new ChangeOrderRequest
{
ExampleId = id,
Index = idx,
TakeProfit = takeProfitValue,
StopLoss = stopLossValue
});
if(!string.IsNullOrEmpty(response.Error))
{
LogManager.GetCurrentClassLogger().Error(response.Error);
//
return this.Json(new {Response = SetOrderErrors.Other});
}
//
return this.Json(new {Response = response.SetOrderErrors});
}
}
}
public ActionResult ReadStatsExamples(long typeId, [DataSourceRequest] DataSourceRequest request)
{
using(var ctx = new DataModelContext())
{
return this.Json(ctx.StatsExamples.Include("Orders").Where(e => e.StatsTypeId == typeId && !e.Deleted).ToList().Select(e => new StatsExampleModel
{
Id = e.Id,
Name = e.Name,
// ReSharper disable once PossibleNullReferenceException
IdLink = string.Format("{0}://{1}{2}", this.Request.Url.Scheme, this.Request.Url.Authority, this.Url.Content(string.Format("~/Home/Index?id={0}", e.IdLink))),
PipsTotal = e.Orders.Sum(o => o.Pips)
}).ToList().ToDataSourceResult(request));
}
}
public JsonResult GetValidTime(long id, long requestTimeValue)
{
LogManager.GetCurrentClassLogger().Info("GetValidTime. exampleId: {0}, requestTimeValue: {1}", id, requestTimeValue);
try
{
using(var ctx = new DataModelContext())
{
var timeSpan = ctx.StatsExamples.Find(id).Timestamp.Add(Settings.Default.ExampleValidPeriod) - DateTime.Now;
//
return this.Json(new
{
TimeSpan = timeSpan.TotalMilliseconds,
RequestTimeValue = requestTimeValue
}, JsonRequestBehavior.AllowGet);
}
} catch(Exception ex)
{
LogManager.GetCurrentClassLogger().Error(ex);
throw;
}
}
public ActionResult DeleteStatsExample([DataSourceRequest] DataSourceRequest request, StatsExampleModel model)
{
try
{
if(model != null)
{
using(var ctx = new DataModelContext())
{
var example = ctx.StatsExamples.Include("StatsType").Include("Orders").Single(e => e.Id == model.Id);
example.Deleted = true;
var lastOrder = example.Orders.OrderBy(o => o.Index).LastOrDefault();
if(lastOrder != null && !lastOrder.ClosePrice.HasValue)
{
using(var client = new OrderServiceClient())
{
var response = client.GetPrice(new GetPriceDataContractRequest {SymbolId = example.StatsType.TypeId});
if(!string.IsNullOrEmpty(response.Error))
{
LogManager.GetCurrentClassLogger().Error(response.Error);
}
var price = response.Price;
if(price.HasValue)
{
var typeConfig = ((TransactionTypesConfigSection)ConfigurationManager.GetSection("TransactionTypesConfig")).Types.Cast<TypeElementConfig>().ToList().Single(tc => tc.Id == example.StatsType.TypeId);
lastOrder.ClosePrice = lastOrder.OrderType == OrderTypes.Buy ?
Math.Round(price.Value - Settings.Default.Spread * typeConfig.SpreadTickValue, HomeController.GetDecimalDigits(typeConfig.SpreadTickValue))
: Math.Round(price.Value + Settings.Default.Spread * typeConfig.SpreadTickValue, HomeController.GetDecimalDigits(typeConfig.SpreadTickValue));
lastOrder.Pips = Convert.ToInt32(Math.Round((lastOrder.OrderType == OrderTypes.Buy ? (lastOrder.ClosePrice.Value - lastOrder.OpenPrice) : (lastOrder.OpenPrice - lastOrder.ClosePrice.Value)) / typeConfig.SpreadTickValue, 0));
// Log
var log = OrderLog.CreateLog(lastOrder, OrderLogTypes.Close);
ctx.OrderLogs.Add(log);
}
}
}
//
ctx.SaveChanges();
}
}
} catch(Exception ex)
{
LogManager.GetCurrentClassLogger().Error(ex);
}
//
return this.Json(new[] {model}.ToDataSourceResult(request, this.ModelState));
}
public static void Start()
{
lock(_openOrders)
{
using(var ctx = new DataModelContext())
{
ctx.StatsExamples.Include("StatsType").Include("Orders")
.Where(e => !e.Deleted).ToList().Where(e => e.IsValid).ToList()
.ForEach(e =>
{
var lastOrder = e.Orders.OrderBy(o => o.Index).LastOrDefault();
if(lastOrder != null && !lastOrder.ClosePrice.HasValue)
{
_openOrders.Add(new OpenOrder
{
SymbolId = e.StatsType.TypeId,
Order = lastOrder
});
}
});
}
//
PricesProvider.PriceChanged += PricesProvider_PriceChanged;
}
}
public static SetOrderResponse CreateOrder(long exampleId, OrderTypes orderType, double? takeProfit, double? stopLoss)
{
using(var ctx = new DataModelContext())
{
var example = ctx.StatsExamples.Include("StatsType").Include("Orders").Single(e => e.Id == exampleId);
// Check if example is not valid
if(!example.IsValid)
{
return new SetOrderResponse {Error = SetOrderErrors.Other};
}
//
var index = example.Orders.Count;
if(index >= ctx.GetTransactionsCount())
return new SetOrderResponse {Error = SetOrderErrors.Other};
//
var price = PricesProvider.GetPrice(example.StatsType.TypeId);
if(!price.HasValue)
return new SetOrderResponse {Error = SetOrderErrors.PriceError};
//
var buyPrice = PricesProvider.GetBuyPrice(price.Value, example.StatsType.TypeId);
var sellPrice = PricesProvider.GetSellPrice(price.Value, example.StatsType.TypeId);
if(orderType == OrderTypes.Buy)
{
var error = SetOrderErrors.None;
// Check take profit value
if(takeProfit.HasValue && takeProfit.Value <= sellPrice)
error |= SetOrderErrors.WrongTakeProfitValue;
// Check Stop loss value
if(stopLoss.HasValue && stopLoss.Value >= sellPrice)
error |= SetOrderErrors.WrongStopLossValue;
//
if(error != SetOrderErrors.None)
return new SetOrderResponse {Error = error};
// Create order
var order = new Order
{
OpenPrice = buyPrice,
Index = index,
OrderType = orderType,
StatsExampleId = exampleId,
TakeProfit = takeProfit,
StopLoss = stopLoss
};
ctx.Orders.Add(order);
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.Open);
ctx.OrderLogs.Add(log);
//
ctx.SaveChanges();
//
lock(_openOrders)
{
_openOrders.Add(new OpenOrder
{
SymbolId = example.StatsType.TypeId,
Order = order
});
}
//
LogManager.GetCurrentClassLogger().Debug("Order created [0]", order.Id);
//
return new SetOrderResponse {Order = order, Error = SetOrderErrors.None};
} else
{
var error = SetOrderErrors.None;
// Check take profit value
if(takeProfit.HasValue && takeProfit.Value >= buyPrice)
error |= SetOrderErrors.WrongTakeProfitValue;
// Check Stop loss value
if(stopLoss.HasValue && stopLoss.Value <= buyPrice)
error |= SetOrderErrors.WrongStopLossValue;
//
if(error != SetOrderErrors.None)
return new SetOrderResponse {Error = error};
// Create order
var order = new Order
{
OpenPrice = sellPrice,
Index = index,
OrderType = orderType,
StatsExampleId = exampleId,
TakeProfit = takeProfit,
StopLoss = stopLoss
};
ctx.Orders.Add(order);
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.Open);
ctx.OrderLogs.Add(log);
//
ctx.SaveChanges();
//
lock(_openOrders)
{
_openOrders.Add(new OpenOrder
{
SymbolId = example.StatsType.TypeId,
Order = order
});
}
//
LogManager.GetCurrentClassLogger().Debug("Order created [0]", order.Id);
//
return new SetOrderResponse {Order = order, Error = SetOrderErrors.None};
}
}
}
public static SetOrderResponse CloseOrder(long exampleId, int index)
{
using(var ctx = new DataModelContext())
{
var example = ctx.StatsExamples.Include("StatsType").Include("Orders").Single(e => e.Id == exampleId);
// Check if example is not valid
if(!example.IsValid)
{
return new SetOrderResponse {Error = SetOrderErrors.Other};
}
//
var order = example.Orders.SingleOrDefault(o => o.Index == index);
if(order == null)
return new SetOrderResponse {Error = SetOrderErrors.Other};
// Check if order was closed already
if(order.ClosePrice.HasValue)
{
LogManager.GetCurrentClassLogger().Warn("Close order process for order [{0}] but order was closed already.", order.Id);
return new SetOrderResponse {Error = SetOrderErrors.Other};
}
//
var price = PricesProvider.GetPrice(example.StatsType.TypeId);
if(!price.HasValue)
return new SetOrderResponse {Error = SetOrderErrors.PriceError};
//
lock(_openOrders)
{
if(order.OrderType == OrderTypes.Buy)
{
var sellPrice = PricesProvider.GetSellPrice(price.Value, example.StatsType.TypeId);
order.ClosePrice = sellPrice;
order.Pips = PricesProvider.CalculatePips(example.StatsType.TypeId, order.OpenPrice, sellPrice);
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.Close);
ctx.OrderLogs.Add(log);
} else
{
var buyPrice = PricesProvider.GetBuyPrice(price.Value, example.StatsType.TypeId);
order.ClosePrice = buyPrice;
order.Pips = PricesProvider.CalculatePips(example.StatsType.TypeId, buyPrice, order.OpenPrice);
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.Close);
ctx.OrderLogs.Add(log);
}
//
ctx.SaveChanges();
_openOrders.Remove(_openOrders.Single(o => o.Order.Id == order.Id));
//
LogManager.GetCurrentClassLogger().Debug("Order closed [{0}]", order.Id);
//
return new SetOrderResponse {Order = order};
}
}
}
public static SetOrderResponse ChangeOrder(long exampleId, int index, double? takeProfit, double? stopLoss)
{
using(var ctx = new DataModelContext())
{
var example = ctx.StatsExamples.Include("StatsType").Include("Orders").Single(e => e.Id == exampleId);
// Check if example is not valid
if(!example.IsValid)
{
return new SetOrderResponse {Error = SetOrderErrors.Other};
}
//
var order = example.Orders.SingleOrDefault(o => o.Index == index);
if(order == null)
return new SetOrderResponse {Error = SetOrderErrors.Other};
//
var price = PricesProvider.GetPrice(example.StatsType.TypeId);
if(!price.HasValue)
return new SetOrderResponse {Error = SetOrderErrors.PriceError};
//
if(order.TakeProfit == takeProfit && order.StopLoss == stopLoss)
{
LogManager.GetCurrentClassLogger().Debug("Nothing to change in order [{0}]", order.Id);
//
return new SetOrderResponse {Order = order};
}
//
var buyPrice = PricesProvider.GetBuyPrice(price.Value, example.StatsType.TypeId);
var sellPrice = PricesProvider.GetSellPrice(price.Value, example.StatsType.TypeId);
//
lock(_openOrders)
{
var error = SetOrderErrors.None;
// Check take-profit
if(order.TakeProfit != takeProfit)
{
if(!takeProfit.HasValue)
{
order.TakeProfit = null;
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.SetTakeProfit);
ctx.OrderLogs.Add(log);
} else if(order.OrderType == OrderTypes.Buy && takeProfit.Value <= sellPrice)
error |= SetOrderErrors.WrongTakeProfitValue;
else if(order.OrderType == OrderTypes.Sell && takeProfit.Value >= buyPrice)
error |= SetOrderErrors.WrongTakeProfitValue;
else
{
order.TakeProfit = takeProfit;
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.SetTakeProfit);
ctx.OrderLogs.Add(log);
}
}
// Check stop-loss
if(order.StopLoss != stopLoss)
{
if(!stopLoss.HasValue)
{
order.StopLoss = null;
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.SetStopLoss);
ctx.OrderLogs.Add(log);
} else if(order.OrderType == OrderTypes.Buy && stopLoss.Value >= sellPrice)
error |= SetOrderErrors.WrongStopLossValue;
else if(order.OrderType == OrderTypes.Sell && stopLoss.Value <= buyPrice)
error |= SetOrderErrors.WrongStopLossValue;
else
{
order.StopLoss = stopLoss;
// log
var log = OrderLog.CreateLog(order, OrderLogTypes.SetStopLoss);
ctx.OrderLogs.Add(log);
}
}
//
if(error == SetOrderErrors.None)
{
ctx.SaveChanges();
_openOrders.Single(o => o.Order.StatsExampleId == exampleId && o.Order.Index == index).Order = order;
//
LogManager.GetCurrentClassLogger().Debug("Order changed [{0}]", order.Id);
//
return new SetOrderResponse {Order = order};
}
LogManager.GetCurrentClassLogger().Debug("Order [{0}] was not changed. Error: {1}", order.Id, error);
//
return new SetOrderResponse {Error = error};
}
}
}
public PartialViewResult GetTransaction(long id, int idx)
{
using(var ctx = new DataModelContext())
{
var statsExample = ctx.StatsExamples.Include("Orders").Include("StatsType").Include("Orders.Logs").Single(e => e.Id == id && !e.Deleted);
var orders = statsExample.Orders.OrderBy(o => o.Index).ToList();
var order = orders.SingleOrDefault(o => o.Index == idx);
//
return this.PartialView("_Transaction", order != null ? (TransactionModel)order : new TransactionModel
{
StatsExampleId = id,
Index = idx,
Active = idx == 0 || orders[idx - 1].ClosePrice.HasValue,
BuyEnabled = idx == 0 || orders[idx - 1].ClosePrice.HasValue,
SellEnabled = idx == 0 || orders[idx - 1].ClosePrice.HasValue,
ExampleIsValid = statsExample.IsValid
});
}
}