/// <summary>
/// Logins in with cached token or opens login page.
/// </summary>
public async void Login()
{
string token =
(string)await _cacheService.Persistent.Roaming.TryGetValueAsync <object>(
Constants.Cache.Keys.AccessToken);
if (string.IsNullOrEmpty(token))
{
_subFrameNavigationService.NavigateTo("LoginPage");
}
else
{
await _discordService.Login(token);
}
}