private static void Main(string[] args)
{
if (args.Length > 0)
{
//to split a pdf - will keep original and create new pdf with defined page range
if (args[0] == "split")
{
var filename = args[1];
var startpage = int.Parse(args[2]);
var endpage = int.Parse(args[3]);
PdfSplitter.SplitPdf(filename, startpage, endpage);
}
//just to scan an image file and see what barcodes are detected
if (args[0] == "scanimage")
{
var image = args[1];
var detectedBarcodes = ScanImageWithSpire(image);
Console.WriteLine(JsonConvert.SerializeObject(detectedBarcodes));
}
}
else
{
var startTime = DateTime.Now;
Console.WriteLine($"Started at {startTime:yyyy-MM-dd HH:mm:ss}");
DocumentProcessing.StartProcess();
var endTime = DateTime.Now;
Console.WriteLine($"Ended at {endTime:yyyy-MM-dd HH:mm:ss}");
if (!KeepConsoleOpen)
{
return;
}
Console.WriteLine($"Task took {endTime.Subtract(startTime).TotalSeconds} seconds to run");
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
public static void ProcessPdfFile(string file, string processedLocation, string archiveLocation)
{
logger.Trace($"START PROCESSING: {file}");
//storage location is the root folder where we are going to ultimately put our created pdf
//file is the main file that is going to be split into multiple pdfs
var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(file);
var fileNameWithExtension = Path.GetFileName(file);
var dateFolder = DirectoryHelper.CreateFolderString("date");
var processedSubFolder = $@"{processedLocation}\{dateFolder}";
//need the processedSubFolder to exist first
DirectoryHelper.CreateFolder(processedSubFolder);
var reader = new PdfReader(file);
var nbPages = reader.NumberOfPages; //how many pages are in the pdf document
Document newPdf = null;
PdfCopy copy = null;
for (var i = 1; i <= nbPages; i++)
{
logger.Trace($"PROCESSING PAGE: {i} of {nbPages}");
//1. turn each page into image(s)
var imageBytes = GetImagesFromPdfPage(reader, i);
var timePortion = $"{DateTime.UtcNow:HHmmss}";
var fileName = $"{fileNameWithoutExtension}-{timePortion}.pdf"; //file name of the created file
var processedFileName = $@"{processedSubFolder}\{fileName}"; //where the created file is stored finally
var errorFileName = $@"{archiveLocation}\Error_{fileName}"; //where the created file is stored finally
FileStream fs;
//for first page will create new document
if (i == 1)
{
fs = new FileStream(processedFileName, FileMode.Create);
newPdf = new Document(PageSize.A4);
copy = new PdfCopy(newPdf, fs);
newPdf.Open();
logger.Trace($"CREATE NEW PDF FILE: {processedFileName}");
}
//2. scan with spire.barcode to get the barcodes on the page
IEnumerable <string> detectedBarcodes;
try
{
var task = Task.Run(() => ScanImageWithSpire(imageBytes));
if (task.Wait(TimeSpan.FromSeconds(TimeoutSeconds)))
{
logger.Trace($"SCANNING PAGE FOR BARCODES:");
detectedBarcodes = task.Result;
}
else
{
logger.Trace($"Timeout Error - scanning page {i} took longer than {TimeoutSeconds} seconds");
throw new TimeoutException();
}
}
catch (TimeoutException ex)
{
//add to the existing pdf
copy?.AddPage(copy.GetImportedPage(reader, i));
var error = $"Timeout Error - The following page could not be scanned for barcodes due to a timeout error: Page:{i}, ArchiveFileName: {fileNameWithExtension}, The page has been added to the following file: {fileName} and is also saved as single page pdf - {errorFileName}";
var errorFs = new FileStream(errorFileName, FileMode.Create);
var errorPageDoc = new Document(PageSize.A4);
var errorCopy = new PdfCopy(errorPageDoc, errorFs);
errorPageDoc.Open();
errorCopy.AddPage(errorCopy.GetImportedPage(reader, i));
errorPageDoc.Close();
errorFs.Close();
logger.Error(error);
continue;
}
var barcodeDocs = new List <BarcodeDocument>();
barcodeDocs.AddRange(detectedBarcodes.Select(result => new BarcodeDocument
{
Barcode = result,
ProcessedFilePath = processedFileName,
FileName = fileName,
IsSampleBarcode = DocumentProcessing.IsSampleBarcode(result)
}));
//3. add page to relevant pdf
if (i > 1)
{
//if any eurofins sample barcodes are detected then we can start new document
if (barcodeDocs.Count > 0 && barcodeDocs.Any(x => x.IsSampleBarcode))
{
newPdf?.Close();
fs = new FileStream(processedFileName, FileMode.Create);
newPdf = new Document(PageSize.A4);
copy = new PdfCopy(newPdf, fs);
newPdf.Open();
copy.AddPage(copy.GetImportedPage(reader, i));
logger.Trace($"Create New Pdf file: {processedFileName}");
logger.Debug($"Barcodes on page {i}: {JsonConvert.SerializeObject(detectedBarcodes)}");
}
else
{
copy?.AddPage(copy.GetImportedPage(reader, i));
logger.Debug($"No Eurofins Barcodes detected on page {i}");
}
}
else
{
copy?.AddPage(copy.GetImportedPage(reader, 1));
logger.Debug($"Barcodes on page {i}: {JsonConvert.SerializeObject(detectedBarcodes)}");
}
Console.WriteLine($"Page {i}: {JsonConvert.SerializeObject(detectedBarcodes)}");
//4. update database with sample document details
DocumentProcessing.UpdateDatabaseManager(barcodeDocs);
}
newPdf?.Close(); //close the final new pdf
copy?.Close(); //this also closes the associated filestream
reader.Close(); //close the original file
//move file to archive folder
var archiveFileLocation = $@"{archiveLocation}\{fileNameWithExtension}";
DirectoryHelper.MoveFile(file, archiveFileLocation);
logger.Trace($"File {fileNameWithExtension} moved to archive folder");
}
