private void UpdateBookPerYearDeltas()
{
// clear the list and the counts
BookPerYearDeltas.Clear();
if (BooksRead.Count < 1)
{
return;
}
DateTime startDate = BooksRead[0].Date;
startDate = startDate.AddYears(1);
// get all the dates a book has been read that are at least a year since the start
Dictionary <DateTime, DateTime> bookReadDates = new Dictionary <DateTime, DateTime>();
foreach (var book in BooksRead)
{
if (startDate > book.Date)
{
continue;
}
if (!bookReadDates.ContainsKey(book.Date))
{
bookReadDates.Add(book.Date, book.Date);
}
}
// then add the delta made up of the books up to that date
foreach (var date in bookReadDates.Keys.ToList())
{
DateTime startYearDate = date;
startYearDate = startYearDate.AddYears(-1);
BooksDelta delta = new BooksDelta(date, startYearDate);
foreach (var book in BooksRead)
{
if (book.Date < startYearDate)
{
continue;
}
if (book.Date <= date)
{
delta.BooksReadToDate.Add(book);
}
else
{
break;
}
}
delta.UpdateTallies();
BookPerYearDeltas.Add(delta);
}
}
private void UpdateBookDeltas()
{
// clear the list and the counts
BookDeltas.Clear();
if (BooksRead.Count < 1)
{
return;
}
DateTime startDate = BooksRead[0].Date;
// get all the dates a book has been read (after the first quarter)
Dictionary <DateTime, DateTime> bookReadDates = new Dictionary <DateTime, DateTime>();
foreach (var book in BooksRead)
{
if (!bookReadDates.ContainsKey(book.Date))
{
TimeSpan ts = book.Date - startDate;
if (ts.Days >= 90)
{
bookReadDates.Add(book.Date, book.Date);
}
}
}
// then add the delta made up of the books up to that date
foreach (var date in bookReadDates.Keys.ToList())
{
BooksDelta delta = new BooksDelta(date, startDate);
foreach (var book in BooksRead)
{
if (book.Date <= date)
{
delta.BooksReadToDate.Add(book);
}
else
{
break;
}
}
delta.UpdateTallies();
BookDeltas.Add(delta);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TalliedMonth" /> class.
/// This constructor captures the selection rectangle for printing a region.
/// </summary>
/// <param name="date">The owning document view model.</param>
/// <param name="booksRead">The document name.</param>
public TalliedMonth(DateTime date, List <BookRead> booksRead)
{
MonthDate = date;
BooksRead = booksRead;
DaysInTheMonth = DateTime.DaysInMonth(date.Year, date.Month);
TotalBooks = 0;
TotalPagesRead = 0;
TotalBookFormat = 0;
TotalComicFormat = 0;
TotalAudioFormat = 0;
UInt32 totalInEnglish = 0;
// Loop through the books updating the counts as we go.
foreach (BookRead book in BooksRead)
{
TotalBooks++;
TotalPagesRead += book.Pages;
if (book.Format == BookFormat.Book)
{
TotalBookFormat++;
}
if (book.Format == BookFormat.Comic)
{
TotalComicFormat++;
}
if (book.Format == BookFormat.Audio)
{
TotalAudioFormat++;
}
if (book.OriginalLanguage == "English")
{
totalInEnglish++;
}
}
// Finally get the percentage read in English.
PercentageInEnglish = BooksDelta.GetAsPercentage(TotalBooks, totalInEnglish);
}