private void Edit()
{
Blog blogToEdit = Choose("Which blog would you like to edit?");
if (blogToEdit == null)
{
return;
}
Console.WriteLine();
Console.Write("New blog title (blank to leave unchanged):");
string title = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(title))
{
blogToEdit.Title = title;
}
Console.Write("New blog URL (blank to leave unchanged): ");
string url = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(url))
{
blogToEdit.Url = url;
}
_blogRepository.Update(blogToEdit);
}