Question

I have a button that users can click to bid on something. Each bid, broadcasts the latest bid to every other client. That s the reason why I m using SignalR.

Now, the user needs to have active credits, and if he doesn t have credits I want to redirect him somewhere.

The more obvious approach fails me, so any suggestion is welcome.

//Does the user have credits to spend?
if (user.LanceCreditBalance >= 1)
{
    //populate the "ar" object and send it out to everybody.
    var result = Json.Encode(ar);
    Clients.addMessage(result);
}
else
{
    //And this isn t working as expected. Doesn t redirect
    //And causes a 302 error when viewing the Firebug console in Firefox.
    HttpContext.Current.Response.Redirect(@"http://www.google.com");
}

The above code is all within the Chat class which inherits from the SignalR.Hub class.

Answer 1

Server:

if(user.LanceCreditBalance >= 1)
{
    var result = Json.Encode(ar);
    // send Message to all clients
    Clients.addMessage(result);
}
else
{
    // Invoke a js-Function only on the current client
    Caller.redirectMe("http://www.google.com");
}

Client:

$(function () {
    var chat = $.connection.chat;

    chat.addMessage = function(message) {
        // do something
    };

    // function the server can invoke
    chat.redirectMe = function(target) {
        window.location = target;
    };

    $.connection.hub.start();
});

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