public IndexViewModel(
ProtectedLocalStorage localStorageService,
GameService gameService
)
{
_localStorageService = localStorageService;
_gameService = gameService;
Debug.WriteLine($"{nameof(IndexViewModel)} #{m_Index} .ctor");
string[] filterWords() => Words.Where(x => !string.IsNullOrWhiteSpace(x)).ToArray();
this.WhenActivated(context => {
Debug.WriteLine($"{nameof(IndexViewModel)} #{m_Index} Activating");
// local storage
this.WhenAnyValue(x => x.Username)
.Skip(1) // init
.Do(x => _localStorageService.SetAsync(nameof(Username), x ?? string.Empty))
.Subscribe()
.DisposeWith(context);
this.WhenAnyValue(x => x.IsLoggedIn)
.Skip(1) // init
.Do(x => _localStorageService.SetAsync(nameof(IsLoggedIn), x))
.Subscribe()
.DisposeWith(context);
Words.ObserveCollectionChanges()
.Skip(1) // init
.Do(x => _localStorageService.SetAsync(nameof(Words), filterWords()))
.Subscribe()
.DisposeWith(context);
this.WhenAnyValue(x => x.Player)
.Select(x => x != null)
.BindTo(this, x => x.IsLoggedIn)
.DisposeWith(context);
this.WhenAnyValue(x => x.Player)
.Select(x => x != null ? x.GetConnectionToken() : Disposable.Empty)
.DisposeMany()
.Subscribe()
.DisposeWith(context);
this.WhenAnyValue(x => x.Player)
.Where(x => x != null)
.Select(x =>
x.GetWordsInteraction.RegisterHandler(interactionContext =>
interactionContext.SetOutput(filterWords())
)
)
.DisposeMany()
.Subscribe()
.DisposeWith(context);
Disposable.Create(() => Debug.WriteLine($"{nameof(IndexViewModel)} #{m_Index} Disposing"))
.DisposeWith(context);
});
}
public async Task MarkUserAsAuthenticated(string token)
{
_token = token;
if (_accessor.IsServerStarted())
{
await _storage.SetAsync(TokenKey, token);
}
SetAuthenticationState(GetAuthenticationStateAsync());
}
public async Task RefreshToken()
{
if (string.IsNullOrEmpty(_tokenProvider.RefreshToken))
{
return;
}
var httpClient = _httpClientFactory.CreateClient();
var metaDataResponse = await httpClient.GetDiscoveryDocumentAsync(new DiscoveryDocumentRequest
{
Address = _options.Authority,
Policy = { RequireHttps = _options.RequireHttpsMetadata },
});
var response = await httpClient.RequestRefreshTokenAsync(new RefreshTokenRequest
{
Address = metaDataResponse.TokenEndpoint,
ClientId = _options.ClientId,
ClientSecret = _options.ClientSecret,
RefreshToken = _tokenProvider.RefreshToken,
});
if (response.IsError)
{
if (response.HttpStatusCode == System.Net.HttpStatusCode.BadRequest)
{
return;
}
throw new Exception(response.Raw);
}
_tokenProvider.AccessToken = response.AccessToken;
_tokenProvider.RefreshToken = response.RefreshToken;
_tokenProvider.ExpiresAt = DateTime.UtcNow + TimeSpan.FromSeconds(response.ExpiresIn);
await _protectedLocalStorage.SetAsync("tokens", _tokenProvider);
}
public async Task SavePlayerIdAsync(int playerId)
{
await _preferenceStore.SetAsync(PreferredPlayerIdKey, playerId);
}