public void AddNewBookCategory(ActionExecutionContext context, string bookCategoryName)
{
if ((context.EventArgs as KeyEventArgs).Key == Key.Return && !String.IsNullOrWhiteSpace(bookCategoryName))
{
(context.EventArgs as KeyEventArgs).Handled = true;
BookCategory bookCat = BookCategories.FirstOrDefault(p => p.Name.ToLower() == bookCategoryName.ToLower());
if (bookCat != null)
{
SelectedBookCategory = bookCat;
return;
}
if (MessageBox.Show(String.Format(App.GetString("AreYouSureAddCategory"), bookCategoryName), App.GetString("NewCategory"),
MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.Yes) == MessageBoxResult.Yes)
{
using (var dbService = _dbServiceManager.GetService())
{
BookCategory newBookCat = new BookCategory()
{
Name = bookCategoryName
};
newBookCat.Id = dbService.BookCategories.Add(newBookCat);
BookCategories.Add(newBookCat);
SelectedBookCategory = newBookCat;
}
}
else
{
SelectedBookCategory = null;
}
}
}
public void AddCategory(Category category, bool isPrimary = false)
{
if (IsCategoryInList(category))
{
throw new BookException("Category already added to this book");
}
if (isPrimary && BookCategories.Any(e => e.IsPrimary))
{
throw new BookException("Book already contains a primary category, a book can only have a single primary category");
}
var bc = new BookCategory(this, category, isPrimary);
BookCategories.Add(bc);
}