public FileResult GetPresentation([FromBody] PresentationFile presentation)
{
_pythonCaller.callPython(PythonPath, presentation);
byte[] fileBytes = System.IO.File.ReadAllBytes(@"Presentations\DemoPresentationWithPython.pptx");
string fileName = "DemoPresentation.pptx";
return(File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, fileName));
}
public async Task <OperationResult <string> > SaveFile(Stream fileStream)
{
var fileId = Guid.NewGuid().ToString("N");
fileStream.Seek(0, SeekOrigin.Begin);
var thumbResult = await _thumbnailsRepo.AddThumbnailFor(fileId, fileStream);
if (thumbResult.ErrorMessageIfAny != null)
{
return(new OperationResult <string>
{
ErrorMessageIfAny = thumbResult.ErrorMessageIfAny
});
}
var newFile = new PresentationFile();
newFile.FileID = fileId;
await _context.PresentationFiles.AddAsync(newFile);
await _context.SaveChangesAsync();
var filePathResult = CreatePathFor(fileId);
if (filePathResult.ErrorMessageIfAny != null)
{
return(new OperationResult <string>
{
ErrorMessageIfAny = filePathResult.ErrorMessageIfAny
});
}
var fs = AirshowUtils.CreateFileToWriteAtPath(filePathResult.Value);
if (fs == null)
{
return(new OperationResult <string>
{
ErrorMessageIfAny = OperationStatus.kInvalidFileNameOrAlreadyExists
});
}
fileStream.Seek(0, SeekOrigin.Begin);
await fileStream.CopyToAsync(fs);
fs.Dispose();
return(new OperationResult <string>
{
Value = newFile.FileID
});
}
public void callPython(string pathToPython, PresentationFile presentation)
{
ProcessStartInfo start = new ProcessStartInfo();
start.FileName = pathToPython;
start.Arguments = string.Format("\"{0}\" \"{1}\" \"{2}\" \"{3}\"", @"PythonScripts\PowerPointScript", presentation.ChartTitle, presentation.FirstValue, presentation.SecondValue);
start.UseShellExecute = false; // Do not use OS shell
start.CreateNoWindow = true; // We don't need new window
start.RedirectStandardOutput = true; // Any output, generated by application will be redirected back
start.RedirectStandardError = true; // Any error in standard output will be redirected back (for example exceptions)
using (Process process = Process.Start(start)) { }
}
/// <summary>
///
/// </summary>
/// <param name="result"></param>
private void CreatePresentationCallBackMethod(PresentationFile result)
{
string methodNamespace = String.Format("{0}.{1}", GetType().FullName, System.Reflection.MethodInfo.GetCurrentMethod().Name);
Logging.LogBeginMethod(logger, methodNamespace);
try
{
if (result != null && result.PresentationId > 0)
{
Logging.LogMethodParameter(logger, methodNamespace, result, 1);
/* eventAggregator.GetEvent<ToolboxUpdateEvent>().Publish(DashboardCategoryType.INVESTMENT_COMMITTEE_PRESENTATIONS);
* ICNavigation.Update(ICNavigationInfo.MeetingInfo, iCPresentationOverviewInfo);
* regionManager.RequestNavigate(RegionNames.MAIN_REGION, "ViewDashboardICPresentation", UriKind.Relative);*/
iCPresentationOverviewInfo.PresentationID = result.PresentationId;
DownloadStream.Write(result.FileStream, 0, result.FileStream.Length);
DownloadStream.Close();
DownloadStream = null;
ICNavigation.Update(ICNavigationInfo.PresentationOverviewInfo, iCPresentationOverviewInfo);
eventAggregator.GetEvent <ToolboxUpdateEvent>().Publish(DashboardCategoryType.INVESTMENT_COMMITTEE_IC_PRESENTATION);
regionManager.RequestNavigate(RegionNames.MAIN_REGION, new Uri("ViewDashboardICPresentation", UriKind.Relative));
}
else
{
Logging.LogMethodParameterNull(logger, methodNamespace, 1);
}
}
catch (Exception ex)
{
Prompt.ShowDialog("Message: " + ex.Message + "\nStackTrace: " + Logging.StackTraceToString(ex), "Exception", MessageBoxButton.OK);
Logging.LogException(logger, ex);
}
finally
{
Logging.LogEndMethod(logger, methodNamespace);
BusyIndicatorNotification();
}
}
