public async static void RefreshAuthenticationToken(ServiceWrapper serviceWrapper)
{
var storedTokenData = NSUserDefaults.StandardUserDefaults.StringForKey("authenticationToken");
if (storedTokenData != null)
{
var authenticationToken = new AuthenticationToken(storedTokenData);
if (!authenticationToken.IsStillValid(DateTime.Now))
{
TokenModel tokenModel = await serviceWrapper.GetAuthorizationTokenData();
NSUserDefaults.StandardUserDefaults.SetString(JsonConvert.SerializeObject(tokenModel), "authenticationToken");
}
}
else
{
TokenModel tokenModel = await serviceWrapper.GetAuthorizationTokenData();
NSUserDefaults.StandardUserDefaults.SetString(JsonConvert.SerializeObject(tokenModel), "authenticationToken");
}
}