private async void ConnectButton_Click(object sender, RoutedEventArgs e)
{
connectButton.IsEnabled = false;
var email = emailTextBox.Text;
var password = passwordBox.Password;
if (string.IsNullOrWhiteSpace(email) || string.IsNullOrWhiteSpace(password))
{
messagesList.Items.Add("Email or Password are blank.");
return;
}
_connection = new HubConnectionBuilder()
.WithUrl($"{_settings.BaseAddress}ChatHub?ClientType=PC", options =>
{
options.AccessTokenProvider = async() =>
{
var tokenUserCommand = new TokenUserCommand
{
Email = emailTextBox.Text,
Password = passwordBox.Password
};
var token = await RestService.PostAsync <string>("account/token", tokenUserCommand);
return(token);
};
})
.Build();
_connection.Closed += async(error) =>
{
await Task.Delay(new Random().Next(0, 5) * 1000);
await _connection.StartAsync();
};
_ = _connection.On <string>("ReceiveChatMessage", (userAndMessage) =>
{
Dispatcher.Invoke(() =>
{
var newMessage = userAndMessage;
messagesList.Items.Add(newMessage);
});
});
_connection.On <string>("SendLargeDataAsync", (user) =>
{
_ = Dispatcher.Invoke(async() =>
{
try
{
// Get large json from https://next.json-generator.com
var currentDirectory = Directory.GetCurrentDirectory();
//var jsonData = await File.ReadAllTextAsync(currentDirectory + "\\..\\..\\..\\test25.json");
var jsonData = await File.ReadAllTextAsync(currentDirectory + "\\..\\..\\..\\test100.json");
var numberOfBytes = Encoding.Default.GetByteCount(jsonData);
var newMessage = $"Sending large data to User:{user}, Bytes: {numberOfBytes}";
messagesList.Items.Add(newMessage);
var submitLargeDataCommand = new SubmitLargeDataCommand
{
User = user,
JsonData = jsonData
};
await RestService.PostAsync("LargeData/SubmitLargeData", submitLargeDataCommand);
}
catch (Exception ex)
{
var message = ex.Message;
throw;
}
});
});
try
{
await _connection.StartAsync();
messagesList.Items.Add("Connection started");
sendButton.IsEnabled = true;
}
catch (Exception ex)
{
messagesList.Items.Add(ex.Message);
connectButton.IsEnabled = true;
}
}
public async Task SubmitLargeDataAsync([FromBody] SubmitLargeDataCommand submitLargeDataCommand)
{
await _hubContext.Clients.User(submitLargeDataCommand.User).SendAsync("UpdateLargeData", submitLargeDataCommand.JsonData);
}
