private void SendForBacktestingCallback(object sender, EventArgs e)
{
ExecuteOnProject(sender, async(selectedProjectId, selectedProjectName, files) =>
{
var uploadResult = await System.Threading.Tasks.Task.Run(() =>
UploadFilesToServer(selectedProjectId, files));
if (!uploadResult)
{
return;
}
var compilationResult = await System.Threading.Tasks.Task.Run(() =>
CompileProjectOnServer(selectedProjectId));
if (!compilationResult.Item1)
{
var errorDialog = new ErrorDialog("Compilation Error", compilationResult.Item2);
VsUtils.DisplayDialogWindow(errorDialog);
return;
}
var backtestResult = await System.Threading.Tasks.Task.Run(() =>
BacktestProjectOnServer(selectedProjectId, compilationResult.Item2));
if (!backtestResult.Item1)
{
var errorDialog = new ErrorDialog("Backtest Failed", backtestResult.Item2);
VsUtils.DisplayDialogWindow(errorDialog);
return;
}
var projectUrl = string.Format(
CultureInfo.CurrentCulture,
"https://www.quantconnect.com/terminal/#open/{0}",
selectedProjectId
);
Process.Start(projectUrl);
});
}
/// <summary>
/// Backtests specific projectId and compileId at QuantConnect
/// </summary>
/// <param name="projectId">Target project Id</param>
/// <param name="compileId">Target compile Id</param>
/// <returns>Tuple<bool, string>. Item1 is true if backtest succeeded.
/// Item2 is error message if backtest failed.</returns>
private async Task <Tuple <bool, string> > BacktestProjectOnServer(int projectId, string compileId)
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Backtesting project...");
var api = AuthorizationManager.GetInstance().GetApi();
var backtestName = BacktestNameProvider.GetNewName();
var backtestStatus = await System.Threading.Tasks.Task.Run(() => api.CreateBacktest(projectId, compileId, backtestName));
var backtestId = backtestStatus.BacktestId;
// Notify observer new backtest
_backtestObserver.BacktestCreated(projectId, backtestStatus);
var errorPresent = false;
while (backtestStatus.Progress < 1 && !errorPresent)
{
backtestStatus = await System.Threading.Tasks.Task.Delay(4000).
ContinueWith(_ => api.ReadBacktest(projectId, backtestId));
errorPresent = !string.IsNullOrEmpty(backtestStatus.Error) ||
!string.IsNullOrEmpty(backtestStatus.StackTrace);
// Notify observer backtest status
_backtestObserver.BacktestStatusUpdated(projectId, backtestStatus);
}
// Notify observer backtest finished
_backtestObserver.BacktestFinished(projectId, backtestStatus);
if (errorPresent)
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Error when backtesting project");
return(new Tuple <bool, string>(false, backtestStatus.Error));
}
var successMessage = "Backtest completed successfully";
VsUtils.DisplayInStatusBar(_serviceProvider, successMessage);
return(new Tuple <bool, string>(true, successMessage));
}
private void SendForBacktestingCallback(object sender, EventArgs e)
{
ExecuteOnProject(sender, (selectedProjectId, selectedProjectName, files) =>
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Uploading files to server ...");
UploadFilesToServer(selectedProjectId, files);
VsUtils.DisplayInStatusBar(_serviceProvider, "Compiling project ...");
var compileStatus = CompileProjectOnServer(selectedProjectId);
if (compileStatus.State == Api.CompileState.BuildError)
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Compile error.");
VsUtils.ShowMessageBox(_serviceProvider, "Compile Error", "Error when compiling project.");
return;
}
VsUtils.DisplayInStatusBar(_serviceProvider, "Backtesting project ...");
Api.Backtest backtest = BacktestProjectOnServer(selectedProjectId, compileStatus.CompileId);
// Errors are not being transfered in response, so client can't tell if the backtest failed or not.
// This response error handling code will not work but should.
/* if (backtest.Errors.Count != 0) {
* VsUtils.DisplayInStatusBar(_serviceProvider, "Backtest error.");
* showMessageBox("Backtest Error", "Error when backtesting project.");
* return;
* }*/
VsUtils.DisplayInStatusBar(_serviceProvider, "Backtest complete.");
var projectUrl = string.Format(
CultureInfo.CurrentCulture,
"https://www.quantconnect.com/terminal/#open/{0}",
selectedProjectId
);
Process.Start(projectUrl);
});
}
/// <summary>
/// Compiles specific projectId at QuantConnect
/// </summary>
/// <param name="projectId">Target project Id</param>
/// <returns>Tuple<bool, string>. Item1 is true if compilation succeeded.
/// Item2 is compile Id if compilation succeeded else error message.</returns>
private Tuple <bool, string> CompileProjectOnServer(int projectId)
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Compiling project...");
var api = AuthorizationManager.GetInstance().GetApi();
var compileStatus = api.CreateCompile(projectId);
var compileId = compileStatus.CompileId;
while (compileStatus.State == Api.CompileState.InQueue)
{
Thread.Sleep(2000);
compileStatus = api.ReadCompile(projectId, compileId);
}
if (compileStatus.State == Api.CompileState.BuildError)
{
// Default to show Errors, now it is coming empty so use Logs. Will only show First Error || Log
var error = compileStatus.Errors.Count == 0 ?
compileStatus.Logs.FirstOrDefault() : compileStatus.Errors.FirstOrDefault();
VsUtils.DisplayInStatusBar(_serviceProvider, "Error when compiling project");
return(new Tuple <bool, string>(false, error));
}
VsUtils.DisplayInStatusBar(_serviceProvider, "Compilation completed successfully");
return(new Tuple <bool, string>(true, compileStatus.CompileId));
}
/// <summary>
/// Log out QuantConnect API
/// </summary>
/// <param name="serviceProvider">Visual Studio service provider</param>
public void Logout(IServiceProvider serviceProvider)
{
AuthorizationManager.GetInstance().Logout();
VsUtils.DisplayInStatusBar(serviceProvider, "Logged out of QuantConnect");
}
protected override void OnClosed(EventArgs e)
{
VsUtils.DisplayInStatusBar(_serviceProvider, "Login cancelled");
}
/// <summary>
/// Log out QuantConnect API
/// </summary>
/// <param name="serviceProvider">Visual Studio service provider</param>
public void DoLogOut(IServiceProvider serviceProvider)
{
_credentialsManager.ForgetCredentials();
AuthorizationManager.GetInstance().LogOut();
VsUtils.DisplayInStatusBar(serviceProvider, "Logged out of QuantConnect");
}