/// <summary>
/// Generate page ranges from a given list of page numbers
/// </summary>
/// <param name="pdf">Pdf as blob</param>
/// <param name="pageNumbers">List of page numbers to create ranges for</param>
/// <returns>List of page ranges</returns>
public IList <PageNumberRange> GetPageRanges(byte[] pdf, IList <BarcodeRecognitionResult> pages)
{
var ranges = new List <PageNumberRange>();
var pageCount = pdfService.GetPageCount(pdf);
foreach (var page in pages.OrderBy(x => x.Page))
{
var number = page.Page;
var nextPageCount = pages.Where(x => x.Page > number).OrderBy(x => x.Page).Select(x => x.Page).FirstOrDefault();
if (nextPageCount == 0)
{
ranges.Add(new PageNumberRange
{
StartPageNumber = number,
PageCount = pageCount - (number - 1),
Barcode = page.Barcode,
BarcodeType = page.BarcodeType
});
}
else
{
ranges.Add(new PageNumberRange
{
StartPageNumber = number,
PageCount = nextPageCount - number,
Barcode = page.Barcode,
BarcodeType = page.BarcodeType
});
}
}
return(ranges);
}
