public async Task SendMessageAsync(string userId, JokerMessage message)
{
var client = _hubContext.Clients.User(userId);
if (client == null)
{
System.Diagnostics.Debug.WriteLine("Could not find a client with Id: " + userId);
return;
}
await client.SendAsync("receiveMessage", message);
}
public async Task ReceiveMessageAsync(JokerMessage message)
{
if (message is null)
{
throw new ArgumentNullException(nameof(message));
}
var targetUserIds = await _subsManager.GetSubscribedIdsAsync(message.ConversationId);
if (!targetUserIds.Any())
{
return;
}
targetUserIds = targetUserIds.Distinct().ToArray();
var messageJson = JsonConvert.SerializeObject(message);
using (var httpClient = new HttpClient()) {
foreach (var target in targetUserIds)
{
var registration = await _registrationsManager.GetRegistrationForUserId(target);
if (registration == null)
{
continue;
}
var hostname = registration.EndpointHostName;
if (hostname == "::1" || hostname == "127.0.0.1") // IPv6 hostname
{
hostname = "localhost";
}
var targetUrl = $"http://{hostname}:{registration.EndpointPort}/Messages/SendMessageToUser?userId={target}";
using var request = new HttpRequestMessage(HttpMethod.Post, targetUrl)
{
Content = new StringContent(messageJson, Encoding.UTF8, "application/json")
};
try {
var response = await httpClient.SendAsync(request);
response.EnsureSuccessStatusCode();
} catch (Exception) {
System.Diagnostics.Debug.WriteLine("Could not send a message to a user");
}
}
}
}
private async void StartDebugMessageStream()
{
while (true)
{
await Task.Delay(TimeSpan.FromSeconds(1));
var debugMessage = new JokerMessage {
Content = "DEBUG",
DateSent = DateTime.UtcNow,
Id = Guid.NewGuid(),
SenderName = "Debug Sender",
SenderUserId = Guid.NewGuid()
};
OnMessageArrived(debugMessage);
}
}
public async Task <IActionResult> SendMessageToUser([FromQuery] string userId, [FromBody] JokerMessage message)
{
if (string.IsNullOrEmpty(userId))
{
return(NotFound());
}
await _messageForwarder.SendMessageAsync(userId, message);
return(Ok());
}
private void OnMessageArrived(JokerMessage incomingMessage)
{
MessagesToDisplay.Add(incomingMessage);
StateHasChanged();
}
public async Task SendMessage([FromBody] JokerMessage message)
{
await _receptionOrchestrator.ReceiveMessageAsync(message);
}