protected void btnSubmit_Click(object sender, EventArgs e)
{
var stopwatch = new Stopwatch();
FileStorageProvider provider = FileStorageProvider.Local;
System.Web.UI.WebControls.FileUpload fileUploadControl = fuCsvFileLocal;
var tracker = new OperationsGroup();
if (((Button)sender).ID.Equals("btnSubmitAzure"))
{
provider = FileStorageProvider.AzureStorageBlobs;
fileUploadControl = fuCsvFileAzure;
}
if (fileUploadControl.PostedFile != null)
{
if (fileUploadControl.PostedFile.ContentLength > 0)
{
var memoryStream = StreamUtility.CopyToMemoryStream(fileUploadControl.PostedFile.InputStream);
stopwatch.Start();
var scanResult = virusScanner.ScanStream(StreamUtility.CopyToMemoryStream(memoryStream));
stopwatch.Stop();
tracker.Add("Virus Scan", stopwatch.ElapsedMilliseconds);
if (scanResult.IsSafe)
{
stopwatch.Restart();
var parseErrors = CsvFile.Validate(StreamUtility.CopyToMemoryStream(memoryStream));
stopwatch.Stop();
tracker.Add("CSV Validation", stopwatch.ElapsedMilliseconds);
if (parseErrors.Count > 0)
{
ShowError(provider, "Errors found in file: <br />" + string.Join("<br />", parseErrors));
}
else
{
try
{
stopwatch.Restart();
switch (provider)
{
case FileStorageProvider.AzureStorageBlobs:
azureFileStorage.SavePostedFile(fileUploadControl.PostedFile.FileName, StreamUtility.CopyToMemoryStream(memoryStream));
break;
case FileStorageProvider.Local:
localFileStorage.SavePostedFile(fileUploadControl.PostedFile.FileName, StreamUtility.CopyToMemoryStream(memoryStream));
break;
}
stopwatch.Stop();
tracker.Add("Storage", stopwatch.ElapsedMilliseconds);
ShowResult(provider, "The file has been uploaded.", tracker);
UpdateFileList();
}
catch (Exception ex)
{
ShowError(provider, ex.Message);
}
}
}
else
{
ShowError(provider, $"Virus scan found issues: {scanResult.Message}");
}
}
else
{
ShowError(provider, "Empty file uploaded.");
}
}
else
{
ShowResult(provider, "Please select a file to upload.");
}
}