protected override void OnStartup(StartupEventArgs e)
{
var repository = new DefaultBlogPostRepository("http://localhost:54162");
var applicationContext = new ApplicationContext(repository);
var mainWindow = new MainWindow(applicationContext);
mainWindow.Show();
}
private async Task RemoveAuthorAsync(Author author, DefaultBlogPostRepository repository)
{
if (author == null)
{
return;
}
Int32 authorId = author.Id;
await repository.DeleteAuthorAsync(authorId);
OnRefreshContext();
}
public AuthorEditorContext(DefaultBlogPostRepository repository)
{
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
this.repository = repository;
AddAuthor = new ActionCommand(async() => await AddAuthorAsync(DetailedAuthor, repository));
RemoveAuthor = new ActionCommand(async() => await RemoveAuthorAsync(SelectedAuthor, repository));
DetailedAuthor = new DetailedAuthorContext();
}
public ApplicationContext(DefaultBlogPostRepository repository)
{
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
BlogPostEditorContext = new BlogPostEditorContext(repository);
AuthorEditorContext = new AuthorEditorContext(repository);
BlogPostEditorContext.RefreshContext += (sender, args) => OnRefreshContext();
AuthorEditorContext.RefreshContext += (sender, args) => OnRefreshContext();
RefreshCommand = new ActionCommand(OnRefreshContext);
OnRefreshContext();
}
public BlogPostEditorContext(DefaultBlogPostRepository repository)
{
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
this.repository = repository;
AssignCommand = new ActionCommand(async() =>
{
if (SelectedAuthor == null || SelectedBlogPost == null)
{
return;
}
await repository.AssignAuthorToBlogPostAsync(SelectedBlogPost.Id, SelectedAuthor.Id);
OnRefreshContext();
});
}
private async Task AddAuthorAsync(DetailedAuthorContext author, DefaultBlogPostRepository repository)
{
await repository.AddAuthorAsync(author.FullName);
OnRefreshContext();
}
