public int SplitAndSave(string inputPath, string outputPath, string pattern, bool auto, string doctype = "", string docnum = "")
{
int NumberOfPages = 0;
try
{
//if the document processing is automatic
if (auto)
{
//get all the file with searchPattern as *.pdf
files = Directory.EnumerateFiles(Path.GetDirectoryName(inputPath), pattern);
foreach (var file in files)
{
//checking if the pdf file is valid
if (IsValidPdf(file))
{
using (PdfReader reader = new PdfReader(file))
{
for (int pagenumber = 1; pagenumber <= reader.NumberOfPages; pagenumber++)
{
//reading the time date stamp in specified format
string timestamp = DateTime.Now.ToString("HHmmss_ddMMyyyy");
//get the filepath to put the output files
string finalOutputPath = Environment.CurrentDirectory + outputPath;
//reading the pdf content,storing in string
string thePage = PdfTextExtractor.GetTextFromPage(reader, pagenumber);
//splitting with line ending and storing in string array
string[] lines = thePage.Split('\n');
//removing the whitespaces
lines = lines.Where(line => !string.IsNullOrWhiteSpace(line)).ToArray();
// reading the doc type in the first line of the array
thePage = lines[0].ToString();
if (!manualXMLonly)
{
//counting till colon is encountered
index = thePage.IndexOf(":");
//reading string till colon to take out the document type
string docType = thePage.Substring(0, index).Trim();
//reading string after colon to get the document number
string docNumber = thePage.Substring(index + 1).Trim();
//naming the file without extension as per naming convention
string filenameWithoutExt = docType + " " + docNumber + " " + timestamp;
////replacing the whitespaces if any within the filename with underscore
filenameWithoutExt = filenameWithoutExt.Replace(" ", "_");
//if invalid file naming the file starting with ERROR_
if (docType != "Tax Invoice" && docType != "Credit Note")
{
filenameWithoutExt = "ERROR_" + timestamp;
//create the directory to save invalid file
finalOutputPath = CreateDirectories(Environment.CurrentDirectory + "\\Errors", true);
docType = "";
}
else
{
finalOutputPath = CreateDirectories(finalOutputPath + "\\" + docType, false);
}
//create the files in pdf and xml files
CreatePDF(reader, pagenumber, finalOutputPath, filenameWithoutExt);
CreateXML(docType, docNumber, timestamp, lines, finalOutputPath);
}
else
{
doctype = doctype.Replace(" ", "_");
//finalOutputPath = CreateDirectories(finalOutputPath + "\\" + doctype, false);
CreateXML(doctype, docnum, timestamp, lines, outputPath);
}
}
NumberOfPages = reader.NumberOfPages;
}
}
}
}
//Manual processing of invalid files
else
{
ManualProcess(inputPath, doctype, docnum);
}
}
catch (NullReferenceException ex)
{
ErrorLogging.Call_Log(ex, false);
}
return(NumberOfPages);
}