public static UserViewModel Get(User user)
{
if (user == null) return null;
lock (syncCache)
{
UserViewModel userViewModel = null;
return cache.TryGetValue(user.Id, out userViewModel)
? userViewModel
: cache.AddOrUpdate(user.Id, new UserViewModel(user), (_, u) => u);
}
}
static UserViewModel()
{
var emptyUser = new User
{
ScreenName = new ScreenName("(empty)"),
Name = "@-------",
CreatedAt = DateTime.Now,
Location = "--------, -----, Japan",
Description = "--------------------.",
};
lock (syncCache)
{
cache = new ConcurrentDictionary<UserId, UserViewModel>();
cache.AddOrUpdate(0, new UserViewModel(emptyUser), (_, u) => u);
}
}
private UserViewModel(User user)
{
this.user = user;
this.CompositeDisposable.Add(
new PropertyChangedEventListener(user)
{
(sender, e) => this.RaisePropertyChanged(e.PropertyName)
});
}
public UserViewModel(User user)
{
this.user = user;
}
