private void OpenFile()
{
var ext = ".csv";
var filter = $"CSV file (*{ext})|*{ext}";
var(result, filename) = DialogManager.ShowOpenFileDialog("Open ", ext, filter);
if (result == true)
{
FullFilename = filename;
Books = GoodreadsImporter.Import(FullFilename).ToObservableCollection();
Shelves = Books.Select(b => b.ExclusiveShelf)
.Distinct()
.OrderBy(s => s)
.Select(s => new ShelfViewModel(s))
.ToObservableCollection();
// Check if books have already been imported (ie. is already in the collection)
Books.Apply(b => b.IsDuplicate = state_manager.CurrentCollection.IsBookInCollection(b.Title, b.ISBN, b.ISBN13));
}
}
