public ResultModel ConvertFile(ConversionDto conversionDto)
{
var fileNames = _storageRepository.ParseNames(conversionDto.sessionId);
if (fileNames == null)
{
return(ResultModel.Error(fileNames.Id, "Invalid session id", 400));
}
return(OpConvert.Measure(fileNames.Id, () =>
{
FileFormat fmt;
if (conversionDto.outputType != null && formats.TryGetValue(conversionDto.outputType, out fmt))
{
SceneImportContext importContext = CreateLoadContext(fileNames);
//User uploaded an unsupported file format.
if (importContext.SourceFormat == null)
{
_logger.LogError("Failed to detect file type from file {0}", fileNames.Id);
return ResultModel.Error(fileNames.Id, "Unsupported input file", 400);
}
Scene scene;
try
{
scene = importContext.LoadScene();
}
catch (Exception e)
{
_logger.LogError(e, "Failed to open input file {0}", fileNames.Id);
OperationFailed(e);
return ResultModel.Error(fileNames.Id, "Internal server error", 500);
}
var originalFile = importContext.MainFile;
try
{
var fileName = fileNames[OutputFile];
using (var stream = LimitedStream.CreateFile(fileName, MaximumOutputSize))
{
scene.Save(stream, fmt);
}
}
catch (Exception e)
{
var msg = "Internal server error";
if (e is ExportException)
{
msg = e.Message;
}
_logger.LogError(e, "Failed to save converted file to {0}", fileNames[SourceFile]);
OperationFailed(e);
return ResultModel.Error(fileNames.Id, msg, 500);
}
var newFileName = Path.ChangeExtension(originalFile, fmt.Extension);
importContext.MetaData.OutputFile = newFileName;
SetMetaData(fileNames, importContext.MetaData);
return ResultModel.Ok(true);
}
return ResultModel.Error(fileNames.Id, "Output type not found", 400);
}));
}