public void Filter()
{
var f = new ObservableCollection <Book>(AllBooks);
if (!IsNullOrWhiteSpace(FilterQuery) && !IsNullOrEmpty(FilterQuery))
{
var result = f.Where(x => x.Title.ToLower().Contains(FilterQuery.ToLower()));
f = new ObservableCollection <Book>(result);
}
if (FilterScraped)
{
var result = f.Where(x => x.Scraped);
f = new ObservableCollection <Book>(result);
}
if (FilterFavourites)
{
var result = f.Where(x => x.Favourite);
f = new ObservableCollection <Book>(result);
}
if (FilterReading)
{
var result = f.Where(x => x.CurrentPage != null);
f = new ObservableCollection <Book>(result);
}
if (FilterDescription)
{
var result =
f.Where(
x =>
x.Abstract != null && !IsNullOrEmpty(FilterQuery) &&
x.Abstract.ToLower().Contains(FilterQuery.ToLower()));
f = new ObservableCollection <Book>(result);
}
if (FilterBookmarks)
{
var result = f.Where(x => x.BookMarks != null && x.BookMarks.Count > 0);
f = new ObservableCollection <Book>(result);
}
// Currently only returns results that contain ALL tags
if (Tags != null)
{
foreach (var word in Tags)
{
if (word.Checked)
{
var result = f.Where(x => x.Title.Split(' ').Contains(word.Word));
f = new ObservableCollection <Book>(result);
}
}
}
FilteredBooks = new ObservableCollection <Book>(f);
FilterCount = "Found " + FilteredBooks.Count;
NotifyPropertyChanged("FilterColor");
}