public void Post([FromBody] PeopleUser value)
{
try
{
string userId = Request.Headers["userId"];
value.UserId = userId;
_context.PeopleUsers.Add(value);
_context.SaveChanges();
_hubContext.Clients.All.SendAsync("AddUser", value.Id);
}
catch (Exception) { }
}
private async void StartHub()
{
try
{
await _hubConnection.StartAsync();
_hubConnection.On <string>("AddUser", (value) =>
{
if (Users.Any(v => v.UserId == value))
{
return;
}
PeopleUser val = GetUser(value);
Users.Add(val);
OnCollectionChanged(NotifyCollectionChangedAction.Add, val);
});
}
catch (Exception)
{
// ignored
}
}
protected void OnCollectionChanged(NotifyCollectionChangedAction action, PeopleUser item)
{
CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(action, item));
}
