/// <summary>
/// Find offer with specified Id, serialize it to JSON and POST request JSON to specified URI
/// </summary>
/// <param name="model"></param>
/// <param name="id">Offer Id</param>
/// <param name="uri">URI to POST request</param>
/// <returns></returns>
public static async Task <string> Post(yml_catalog model, string id, Uri uri)
{
//Imitation of long-going operation
await Task.Run(() => Thread.Sleep(5000));
await Task.Run(() =>
{
offer offer = model.shop.offers.First(x => x.id == id);
Json = JsonConvert.SerializeObject(offer,
Formatting.Indented,
new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
});
});
string response;
using (var client = new HttpClient())
{
HttpContent content = new StringContent(Json);
content.Headers.ContentType = new MediaTypeWithQualityHeaderValue("application/json");
HttpResponseMessage responseMessage = await client.PostAsync(uri, content);
response = await responseMessage.Content.ReadAsStringAsync();
}
return(response);
}
private async void GetButtonClick(object sender, RoutedEventArgs e)
{
//Update UI
getButton.IsEnabled = false;
progressBar.IsIndeterminate = true;
statusTestBlock.Text = "Getting and deserializing...";
responseLink.Visibility = Visibility.Hidden;
//Sending GET request and deserializing response to model
try
{
_model = await Utils.Get(Url);
}
catch (Exception ex)
{
getButton.IsEnabled = true;
progressBar.IsIndeterminate = false;
statusTestBlock.Text = "Error.";
MessageBox.Show(String.Format("Failed to GET.{0}\n Exception message: {1}\n StackTrace: {2}",
ex.GetType(), ex.Message, ex.StackTrace));
return;
}
//Update UI
postButton.IsEnabled = true;
progressBar.IsIndeterminate = false;
statusTestBlock.Text = "Done!";
}
private async void SendButtonClick(object sender, RoutedEventArgs e)
{
Uri uri = null;
//Trying to parse string to Uri
if (String.IsNullOrEmpty(PostTo))
{
MessageBox.Show("Please specify URL.");
return;
}
Uri.TryCreate(PostTo, UriKind.Absolute, out uri);
if (uri == null)
{
Uri.TryCreate("http://" + PostTo, UriKind.Absolute, out uri);
}
if (uri == null)
{
MessageBox.Show("Please specify valid URL.");
return;
}
//Update UI
statusTestBlock.Text = "Sending POST request...";
progressBar.IsIndeterminate = true;
//Sending POST request in background
Response = await Utils.Post(_model, Id, uri);
//Update UI
statusTestBlock.Text = "Done!";
responseLink.Visibility = Visibility.Visible;
progressBar.IsIndeterminate = false;
getButton.IsEnabled = true;
postButton.IsEnabled = false;
//Reset model
_model = null;
}
