private bool DownloadAndSaveDocument(PDFApi pdfApi, ImageApi imageApi, string fileId, int workerNumber, OperationsWorkflow.SaveOperationType saveOperationType, object saveOperationConfiguration, ProgressDelegate downloadOperationStartEventHandler, string inputFileAbsolutePath, out string downloadedDocumentFileName)
{
downloadedDocumentFileName = Path.GetTempFileName();
using (FileStream outputFileStream = new FileStream(downloadedDocumentFileName, FileMode.Open))
{
try
{
if (saveOperationType == OperationsWorkflow.SaveOperationType.SavePDF)
{
PassportPDFRequestsUtilities.DownloadPDF(pdfApi, new PdfSaveDocumentParameters(fileId), workerNumber, inputFileAbsolutePath, outputFileStream, downloadOperationStartEventHandler);
}
else if (saveOperationType == OperationsWorkflow.SaveOperationType.SaveImageAsPDFMRC)
{
PassportPDFRequestsUtilities.DownloadImageAsPDFMRC(imageApi, PassportPDFParametersUtilities.GetImageSaveAsPDFMRCParameters((ImageSaveAsPDFMRCActionConfiguration)saveOperationConfiguration, fileId),
workerNumber, inputFileAbsolutePath, outputFileStream, downloadOperationStartEventHandler);
}
return(true);
}
catch (Exception ex)
{
OnError(LogMessagesUtils.ReplaceMessageSequencesAndReferences(FrameworkGlobals.MessagesLocalizer.GetString("message_output_file_download_failure", FrameworkGlobals.ApplicationLanguage), inputFileAbsolutePath, additionalMessage: ex.Message));
return(false);
}
}
}
private PdfOCRResponse HandleOCRPDF(PDFApi pdfApiInstance, PDFOCRActionConfiguration actionConfiguration, FileToProcess fileToProcess, string fileID, int workerNumber)
{
// First get the number of page of the PDF
PdfGetInfoResponse getInfoResponse = PassportPDFRequestsUtilities.SendGetInfoRequest(pdfApiInstance, new PdfGetInfoParameters(fileID), workerNumber, fileToProcess.FileAbsolutePath, FileOperationStartEventHandler);// todo: use appropriate event handler
if (getInfoResponse.Error != null)
{
return(null);
}
PdfOCRParameters ocrParameters = PassportPDFParametersUtilities.GetOCRParameters(actionConfiguration, fileID);
int pageCount = getInfoResponse.PageCount;
int chunkLength = Math.Min(getInfoResponse.PageCount, FrameworkGlobals.PAGE_CHUNK_LENGTH_FOR_OCR_ACTION);
int chunkCount = getInfoResponse.PageCount > FrameworkGlobals.PAGE_CHUNK_LENGTH_FOR_OCR_ACTION ? (int)Math.Ceiling((double)getInfoResponse.PageCount / FrameworkGlobals.PAGE_CHUNK_LENGTH_FOR_OCR_ACTION) : 1;
PdfOCRResponse ocrResponse = null;
for (int chunkNumber = 1; chunkNumber <= chunkCount; chunkNumber++)
{
ocrParameters.PageRange = PassportPDFParametersUtilities.GetChunkProcessingPageRange(pageCount, chunkLength, chunkNumber, chunkCount);
ocrResponse = PassportPDFRequestsUtilities.SendOCRRequest(pdfApiInstance, ocrParameters, workerNumber, fileToProcess.FileAbsolutePath, ocrParameters.PageRange, pageCount, FileChunkProcessingProgressEventHandler);
if (_cancellationPending || ocrResponse == null)
{
return(ocrResponse);
}
}
return(ocrResponse);
}
private ImageLoadResponse HandleLoadImage(ImageApi imageApiInstance, FileToProcess fileToProcess, int workerNumber)
{
FileStream inputFileStream = null;
try
{
PassportPDFParametersUtilities.GetLoadImageMultipartParameters(fileToProcess.FileAbsolutePath, out inputFileStream, out string fileName);
using (FileStream tmpFile = File.Create(Path.GetTempFileName(), 4096, FileOptions.DeleteOnClose))
{
using (GZipStream dataStream = new GZipStream(tmpFile, CompressionLevel.Optimal, true))
{
inputFileStream.CopyTo(dataStream);
inputFileStream.Dispose();
inputFileStream = null;
}
tmpFile.Seek(0, SeekOrigin.Begin);
return(PassportPDFRequestsUtilities.SendLoadImageMultipartRequest(imageApiInstance, workerNumber, fileToProcess.FileAbsolutePath, fileName, tmpFile, ContentEncoding.Gzip, UploadOperationStartEventHandler));
}
}
catch
{
if (inputFileStream != null)
{
inputFileStream.Dispose();
}
throw;
}
}
private PdfReduceResponse HandleReducePDF(PDFApi pdfApiInstance, PDFReduceActionConfiguration actionConfiguration, FileToProcess fileToProcess, string fileID, int workerNumber, List <string> warnings)
{
PdfReduceParameters reduceParameters = PassportPDFParametersUtilities.GetReduceParameters(actionConfiguration, fileID);
PdfReduceResponse reduceResponse = PassportPDFRequestsUtilities.SendReduceRequest(pdfApiInstance, reduceParameters, workerNumber, fileToProcess.FileAbsolutePath, FileOperationStartEventHandler);
if (reduceResponse.WarningsInfo != null)
{
foreach (ReduceWarningInfo warning in reduceResponse.WarningsInfo)
{
warnings.Add(LogMessagesUtils.GetWarningStatustext(warning, fileToProcess.FileAbsolutePath));
}
}
return(reduceResponse);
}
