public DateTime GetBookReturnDateFromNow(BookInfo bookInfo)
{
using (var sectionRepo = new SectionRepository())
{
var section = sectionRepo.FindById(bookInfo.SectionId);
if (section == null)
{
throw new InvalidOperationException("I don't know which section does "
+ bookInfo.BookTitle + " belongs to.");
}
return(holidayService.GetNonHolidayDateFrom(DateTime.Now.AddDays(section.MaxDaysAllowedForBorrowing)));
}
}