private WorkflowProcessingResult ProcessWorkflow(PDFApi pdfApiInstance, ImageApi imageApiInstance, OperationsWorkflow workflow, FileToProcess fileToProcess, int workerNumber)
{
List <string> warningMessages = new List <string>();
bool contentRemoved = false;
bool versionChanged = false;
bool linearized = false;
string fileID = null;
foreach (Operation operation in workflow.OperationsToBePerformed)
{
Error actionError = null;
ReduceErrorInfo reduceErrorInfo = null;
long remainingTokens = 0;
if (_cancellationPending)
{
return(null);
}
switch (operation.Type)
{
case Operation.OperationType.LoadPDF:
PdfVersion outputVersion = (PdfVersion)operation.Parameters;
PdfLoadDocumentResponse loadDocumentResponse = HandleLoadPDF(pdfApiInstance, outputVersion, fileToProcess, workerNumber);
if (loadDocumentResponse == null)
{
OnError(LogMessagesUtils.ReplaceMessageSequencesAndReferences(FrameworkGlobals.MessagesLocalizer.GetString("message_invalid_response_received", FrameworkGlobals.ApplicationLanguage), actionName: "Load"));
return(null);
}
remainingTokens = loadDocumentResponse.RemainingTokens;
actionError = loadDocumentResponse.Error;
fileID = loadDocumentResponse.FileId;
break;
case Operation.OperationType.LoadImage:
ImageLoadResponse imageLoadResponse = HandleLoadImage(imageApiInstance, fileToProcess, workerNumber);
if (imageLoadResponse == null)
{
OnError(LogMessagesUtils.ReplaceMessageSequencesAndReferences(FrameworkGlobals.MessagesLocalizer.GetString("message_invalid_response_received", FrameworkGlobals.ApplicationLanguage), actionName: "Load"));
return(null);
}
remainingTokens = imageLoadResponse.RemainingTokens;
actionError = imageLoadResponse.Error;
fileID = imageLoadResponse.FileId;
break;
case Operation.OperationType.ReducePDF:
PDFReduceActionConfiguration reduceActionConfiguration = (PDFReduceActionConfiguration)operation.Parameters;
PdfReduceResponse reduceResponse = HandleReducePDF(pdfApiInstance, reduceActionConfiguration, fileToProcess, fileID, workerNumber, warningMessages);
if (reduceResponse == null)
{
OnError(LogMessagesUtils.ReplaceMessageSequencesAndReferences(FrameworkGlobals.MessagesLocalizer.GetString("message_invalid_response_received", FrameworkGlobals.ApplicationLanguage), actionName: "Reduce"));
return(null);
}
remainingTokens = reduceResponse.RemainingTokens;
contentRemoved = reduceResponse.ContentRemoved;
versionChanged = reduceResponse.VersionChanged;
actionError = reduceResponse.Error;
reduceErrorInfo = reduceResponse.ErrorInfo;
linearized = reduceActionConfiguration.FastWebView;
break;
case Operation.OperationType.OCRPDF:
PDFOCRActionConfiguration ocrActionConfiguration = (PDFOCRActionConfiguration)operation.Parameters;
PdfOCRResponse ocrResponse = HandleOCRPDF(pdfApiInstance, ocrActionConfiguration, fileToProcess, fileID, workerNumber);
if (ocrResponse == null)
{
OnError(LogMessagesUtils.ReplaceMessageSequencesAndReferences(FrameworkGlobals.MessagesLocalizer.GetString("message_invalid_response_received", FrameworkGlobals.ApplicationLanguage), actionName: "OCR"));
return(null);
}
remainingTokens = ocrResponse.RemainingTokens;
actionError = ocrResponse.Error;
break;
}
if (actionError != null)
{
string errorMessage = reduceErrorInfo != null && reduceErrorInfo.ErrorCode != ReduceErrorCode.OK ? ErrorManager.GetMessageFromReduceActionError(reduceErrorInfo, fileToProcess.FileAbsolutePath) : ErrorManager.GetMessageFromPassportPDFError(actionError, operation.Type, fileToProcess.FileAbsolutePath);
OnError(errorMessage);
return(null);
}
else
{
RemainingTokensUpdateEventHandler.Invoke(remainingTokens);
}
}
return(new WorkflowProcessingResult(contentRemoved, versionChanged, linearized, fileID, warningMessages));
}
public void Start(int workerCount, string destinationFolder, FileProductionRules fileProductionRules, OperationsWorkflow workflow, string apiKey)
{
lock (_locker)
{
_cancellationPending = false;
}
InitializeApiInstances(out PDFApi pdfApiInstance, out ImageApi imageApiInstance, apiKey);
destinationFolder = ParsingUtils.EnsureFolderPathEndsWithBackSlash(destinationFolder);
bool fileSizeReductionIsIntended = OperationsWorkflowUtilities.IsFileSizeReductionIntended(workflow);
for (int i = 1; i <= workerCount; i++)
{
int workerNumber = i;
// Launch the workers.
Thread thread = new Thread(() => Process(pdfApiInstance, imageApiInstance, workerNumber, fileProductionRules, workflow, destinationFolder, fileSizeReductionIsIntended));
thread.Start();
_busyWorkersCount++;
}
}
private void Process(PDFApi pdfApi, ImageApi imageApi, int workerNumber, FileProductionRules fileProductionRules, OperationsWorkflow workflow, string destinationFolder, bool fileSizeReductionIsIntended)
{
while (PickFile(out FileToProcess fileToProcess))
{
if (_cancellationPending)
{
break;
}
try
{
long inputFileSize = FileUtils.GetFileSize(fileToProcess.FileAbsolutePath);
bool inputIsPDF = Path.GetExtension(fileToProcess.FileAbsolutePath).ToUpper() == ".PDF";
if (!CheckInputFileSizeValidity(inputFileSize, fileToProcess.FileAbsolutePath))
{
continue;
}
WorkflowProcessingResult workFlowProcessingResult = ProcessWorkflow(pdfApi, imageApi, workflow, fileToProcess, workerNumber);
if (workFlowProcessingResult != null)
{
string outputFileAbsolutePath = destinationFolder + fileToProcess.FileRelativePath;
bool fileSuccesfullyProcessed = HandleOutputFileProduction(fileToProcess, workFlowProcessingResult.FileID, workerNumber, workflow.SaveOperation, workflow.SaveOperationConfiguration, pdfApi, imageApi, fileProductionRules, workFlowProcessingResult, fileSizeReductionIsIntended, inputIsPDF, inputFileSize, outputFileAbsolutePath);
TryCloseDocumentAsync(pdfApi, workFlowProcessingResult.FileID);
if (fileSuccesfullyProcessed)
{
OnFileSuccesfullyProcessed(new FileOperationsResult(fileToProcess.FileAbsolutePath, inputFileSize, FileUtils.GetFileSize(outputFileAbsolutePath), !inputIsPDF), workFlowProcessingResult.WarningMessages);
}
else
{
continue;
}
}
}
catch (Exception exception)
{
OnError(ErrorManager.GetMessageFromException(exception, fileToProcess.FileAbsolutePath));
}
if (_workPaused && !_cancellationPending)
{
// If pause has been requested, wait for resume signal
WorkerPauseEventHandler.Invoke(workerNumber);
_waitHandle.WaitOne();
}
}
OnWorkerWorkCompletion(workerNumber);
}
