/// <summary>
/// Split input PDF file by page numbers
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
var inputFile = new FileInfo(args[0]);
if (!inputFile.Exists)
{
throw new FileNotFoundException(inputFile.FullName);
}
// Load, if there, the exam roster id stuff
var examRoster = RosterForExamUtils.LoadDBFileForScanFile(inputFile);
// Build a catalog of the PDF file
var inputPDFFile = new PDFFileHandler(inputFile);
var pageGroups = inputPDFFile
.GetPagesInfo()
.Select(qrTagText => (qrTagText.pageNum, qrTagText.tagText.ParseTagString()))
.GroupBy(tinfo => GroupID(tinfo.Item2.pageNumber));
foreach (var g in pageGroups)
{
Console.WriteLine($"{g.Key}:");
// Order the pages to make it easy to deal with
var pages = g
.OrderBy(qrInfo => GetName(examRoster, qrInfo.Item2.paperID, qrInfo.Item1).last)
.ThenBy(qrInfo => GetName(examRoster, qrInfo.Item2.paperID, qrInfo.Item1).first)
.ThenBy(qrInfo => qrInfo.Item2.pageNumber);
inputPDFFile.CopyPages(new FileInfo($"{inputFile.Directory.FullName}\\{Path.GetFileNameWithoutExtension(inputFile.Name)} - {g.Key}.pdf"),
pages.Select(p => p.Item1));
//foreach (var p in pages)
//{
// Console.WriteLine($" {p.Item1}: {p.Item2.paperID} - {p.Item2.pageNumber}");
//}
Console.WriteLine();
}
// Save out the roster file
RosterForExamUtils.SaveDBFile(inputFile, examRoster);
}
/// <summary>
/// Given a set of PDF files, scan them, extract all pages, and put them into individual exams by
/// exam ID number
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
var sourceDirectory = new DirectoryInfo(args[0]);
if (!sourceDirectory.Exists)
{
throw new DirectoryNotFoundException($"Can't find ${args[0]}");
}
var rosterDirectory = new DirectoryInfo(args[1]);
if (!rosterDirectory.Exists)
{
throw new DirectoryNotFoundException($"Can't find roster directory ${args[1]}");
}
// Load in the roster.
var roster = rosterDirectory
.EnumerateFiles("*-roster-db.csv")
.SelectMany(f => RosterForExamUtils.LoadDBFile(f))
.ToDictionary(k => k.Key, k => k.Value);
// for all PDF files in that directory, get a scan of the file, page number, etc.
var allpages = sourceDirectory.GetFiles("*.pdf")
.Select(pdf => new PDFFileHandler(pdf))
.SelectMany(pdfScanner => pdfScanner.GetPagesInfo().Select(pg => (scanner: pdfScanner, pnum: pg.pageNum, tag: pg.tagText.ParseTagString())));
// Organize them by exam number and pages in that exam.
var byexam = allpages
.GroupBy(e => e.tag.paperID);
// Prepare the directory for output.
var outputDir = new DirectoryInfo($"{sourceDirectory.FullName}\\Collated");
if (!outputDir.Exists)
{
outputDir.Create();
outputDir.Refresh();
}
// Loop over every exam, and write them out.
foreach (var exam in byexam)
{
var exam_name = roster.ContainsKey(exam.Key)
? $"{roster[exam.Key].LastName}, {roster[exam.Key].FirstName}"
: exam.Key.ToString();
Console.WriteLine(exam_name);
using (var pdf = new PDFFileWriter(new FileInfo($"{outputDir.FullName}\\{exam_name}.pdf")))
{
var orderedPages = exam.OrderBy(pgs => pgs.tag.pageNumber);
foreach (var p in orderedPages)
{
pdf.AddPage(p.scanner, p.pnum);
}
// Loook for missing pages
var pageNumbers = orderedPages.Select(p => p.tag.pageNumber).ToArray();
var maxPage = pageNumbers.Max();
var missingPages = Enumerable.Range(1, maxPage)
.Where(n => !pageNumbers.Contains(n))
.ToArray();
if (missingPages.Length > 0)
{
var l = string.Join(", ", missingPages.Select(i => i.ToString()));
Console.WriteLine($" Missing pages: {l}");
}
}
}
}
