Trying to filtering various types of nodes depending on querystring parameters. The nodes can be filtered by the following

• choosing a service filters the client and project nodes
• choosing a client filters the project nodes

The !service.IsEmpty() check works correctly, returning projects which contain the related service, and clients which the filtered projects contain.

An issue occurs when selecting a client. When a service and a client is selected, it should only filter projects. Yet it is also filtering clients and returning only the selected client ... not want is needed. I can't work out what the issue might be.

The "offending code" is below.

Thanks in advance for any assistance, it is greatly appreciated.

@{
    var service = Request["service"].IsEmpty() ? "" : Request["service"];
    var client = Request["client"].IsEmpty() ? "" : Request["client"];
    var clients = CurrentModel.Sibling("ClientSection").Descendants("Client").Items.Where(x => x.Visible);
    var services = CurrentModel.Sibling("ServiceSection").Descendants("Service").Items.Where(x => x.Visible);
    var projects = CurrentModel.Descendants("Project").Items.Where(x => x.Visible);
    if (!service.IsEmpty())
    {
        projects = projects.Where(p => p.GetPropertyValue("Service").Contains(service));
        clients = clients.Where(c => projects.Any(p => p.GetPropertyValue("Client").Contains(c.Id.ToString())));
    }
    if (!client.IsEmpty())
    {
        projects = projects.Where(p => p.GetPropertyValue("Client").Contains(client));
    }
}