public void LoginInBackground(string authenticationToken, Action <MobileServiceUser, Exception> continueWith)
{
// Proper Async Tasks Programming cannot integrate with Windows Phone (stupid) Async Mechanisim which use Events... (ex: UploadStringCompleted)
//var asyncTask = new Task<MobileServiceUser>(() => this.StartLoginAsync(authenticationToken));
//asyncTask.Start();
//return asyncTask;
if (authenticationToken == null)
{
throw new ArgumentNullException("authenticationToken");
}
if (string.IsNullOrEmpty(authenticationToken))
{
throw new ArgumentException(
string.Format(
CultureInfo.InvariantCulture,
"Error! Empty Argument: {0}",
"authenticationToken"));
}
var client = _clientFactory.GetClient();
var url = _serviceUrl + LoginAsyncUriFragment + "?mode=" + LoginAsyncAuthenticationTokenKey;
client.Headers[HttpRequestHeader.ContentType] = RequestJsonContentType;
var payload = new JObject();
payload[LoginAsyncAuthenticationTokenKey] = authenticationToken;
client.UploadStringCompleted += (x, args) =>
{
if (args.Error != null)
{
var ex = args.Error;
if (args.Error.InnerException != null)
{
ex = args.Error.InnerException;
}
continueWith(null, ex);
return;
}
var result = JObject.Parse(args.Result);
CurrentAuthToken = result["authenticationToken"].Value <string>();
CurrentUser =
new MobileServiceUser(result["user"]["userId"].Value <string>());
continueWith(CurrentUser, null);
};
//Go!
client.UploadStringAsync(new Uri(url), payload.ToString());
}
private void cacheData()
{
using (var client = factory.GetClient())
{
var jsonString = client.DownloadString("https://jsonplaceholder.typicode.com/posts");
data = JsonConvert.DeserializeObject <List <Post> >(jsonString);
HasLoaded = true;
}
}
public void DownLoad(string url, string destination)
{
var client = _webClientFactory.GetClient();
var waiter = new ManualResetEventSlim();
using (waiter)
{
client.InvalidUrlRequested += (sender, args) =>
{
var oldColor = Console.BackgroundColor;
Console.BackgroundColor = ConsoleColor.DarkRed;
Console.WriteLine($"Invalid URL {args.Value}");
Console.BackgroundColor = oldColor;
};
client.DownloadProgressChanged += (sender, args) =>
{
Console.WriteLine($"Downloading...{args.ProgressPercentage}% complete ({args.BytesReceived:N0} bytes)");
};
client.DownloadCompleted += (sender, args) =>
{
Console.WriteLine($"Downloaded to {destination} ");
waiter.Set();
};
Console.WriteLine($"Downloading {url}...");
var disposable = client.DownloadFile(url, destination);
if (disposable == null)
{
return;
}
using (disposable)
{
if (waiter.Wait(TimeSpan.FromSeconds(10D)))
{
Console.WriteLine($"Launching {destination}");
Process.Start("explorer.exe", destination);
}
else
{
Console.WriteLine($"Timedout downloading {url}");
}
}
}
}
public RequestHelper(ILogger <RequestHelper> logger, IWebClientFactory clientFactory)
{
_logger = logger;
_httpClient = clientFactory.GetClient(this);
_httpClient.AddRequestHelperDefaults();
}