/// <summary>
/// Ensures the process chain of uploading Product info: file upload,process, validation, mapping, address validation,
/// warehouse creation, output file generation
/// Updates upload status after each step completes
/// </summary>
/// <param name="input"></param>
public void Upload(FileUploadInput input)
{
if (input == null) throw new ArgumentNullException("input");
var uploadStatus = new UploadStatus(input.UploadTraceToken);
_logger.Information(string.Format("Upload initiated for file: {0}, by {1}", input.FileName,
input.UserContext));
try
{
//Initiate upload
UpdateStatus(uploadStatus, UploadStageEnum.UploadInitiated, "Initiating upload process...");
//Upload file to temp directory
UpdateStatus(uploadStatus, UploadStageEnum.FileUploadStart, "File upload to temp directory started...");
FileUploadResult fileUploadResult = FileUpload(input);
UpdateStatus(uploadStatus, UploadStageEnum.FileUploadEnd, "File upload to temp directory completed.");
if (fileUploadResult.ValidationResult.HasViolations)
{
UpdateStatus(uploadStatus, UploadStageEnum.UploadCompleted,
"Unable to complete upload process. " +
fileUploadResult.ValidationResult.ValidationErrors.First().Message);
return;
}
// Load File Data into memory
UpdateStatus(uploadStatus, UploadStageEnum.FileProcessStart, "Load file data into memory started...");
FileProcessResult<ProductInputRow> fileProcessResult =
FileProcess(new FileProcessInput(input.UserContext)
{
FileName = fileUploadResult.TempFileName,
FilePath = fileUploadResult.TempFilePath
});
UpdateStatus(uploadStatus, UploadStageEnum.FileProcessEnd, "Load file data into memory completed.");
if (fileProcessResult.ValidationResult.HasViolations)
{
UpdateStatus(uploadStatus, UploadStageEnum.UploadCompleted,
"Unable to complete upload process. " +
fileProcessResult.ValidationResult.ValidationErrors.First().Message);
return;
}
// Validate data
UpdateStatus(uploadStatus, UploadStageEnum.FileDataValidateStart, "File data validation started...");
FileDataValidateResult<ProductInputRow> fileDataValidateResult =
FileDataValidate(new FileDataValidateInput<ProductInputRow>(input.UserContext)
{
FileData = fileProcessResult.FileData
});
FileDataProcessResult<ProductInputRow> fileDataProcessResult = null;
if (fileDataValidateResult.ValidationResult.HasViolations)
{
UpdateStatus(uploadStatus, UploadStageEnum.FileDataValidateEnd,
"File data validation completed. " +
fileDataValidateResult.ValidationResult.ValidationErrors.First().Message);
}
else
{
UpdateStatus(uploadStatus, UploadStageEnum.FileDataValidateEnd, "File data validation completed.");
}
//process data if ready
if (fileDataValidateResult.ReadyForUpload)
{
UpdateStatus(uploadStatus, UploadStageEnum.FileDataProcessStart, "File data processing started...");
fileDataProcessResult =
FileDataProcess(new FileDataProcessInput<ProductInputRow>(input.UserContext)
{
FileData = fileDataValidateResult.FileData
});
if (fileDataProcessResult.ValidationResult.HasViolations)
{
UpdateStatus(uploadStatus, UploadStageEnum.FileDataProcessEnd,
"File data processing completed. " +
fileDataProcessResult.ValidationResult.ValidationErrors.First().Message);
}
else
{
UpdateStatus(uploadStatus, UploadStageEnum.FileDataProcessEnd, "File data processing completed.");
}
}
UpdateStatus(uploadStatus, UploadStageEnum.OutputFileProcessStart, "Output file generation started...");
OutputFileProcessResult outputFileProcessResult =
OutputFileProcess(new OutputFileProcessInput<ProductInputRow>(input.UserContext)
{
TempFileName = fileUploadResult.TempFileName,
TempFilePath = fileUploadResult.TempFilePath,
ProcessedFileData =
fileDataProcessResult == null
? fileDataValidateResult.FileData
: fileDataProcessResult.FileData,
HeadersCount = fileProcessResult.HeadersCount
});
UpdateStatus(uploadStatus, UploadStageEnum.OutputFileProcessEnd, "Output file generation completed.");
UpdateStatus(uploadStatus, UploadStageEnum.UploadCompleted, "Upload process completed.",
outputFileProcessResult.OutputFileInfo);
}
catch (Exception e)
{
UpdateStatus(uploadStatus, UploadStageEnum.UploadCompleted,
"Unable to complete upload process. An unexpected error has occurred.");
_logger.Fatal("Unable to complete upload process. User context: " + input.UserContext, e);
}
}
private void UpdateStatus(UploadStatus uploadStatus, UploadStageEnum step, string message,
object stageOutput = null)
{
uploadStatus.CurrentUploadStage = new UploadStage
{
Stage = step,
Message = string.Format("{0} - {1}", DateTime.Now.ToString("hh:mm:ss"), message),
StageOutput = stageOutput
};
_cacher.Set(uploadStatus.TraceToken, uploadStatus, 60);
_logger.Information(message);
}
