@model Disco.Web.Models.Device.ShowModel
@{
    var canShowComments = Authorization.Has(Claims.Device.ShowComments);
    var canShowJobs = Authorization.Has(Claims.Device.ShowJobs);

    var jobCount = (Model.Device.Jobs == null ? 0 : Model.Device.Jobs.Count).ToString();
    string label;
    if (canShowComments & canShowJobs)
    {
        label = "Comments and Jobs [" + jobCount + "]";
    }
    else if (canShowComments)
    {
        label = "Comments";
    }
    else if (canShowJobs)
    {
        label = "Jobs [" + jobCount + "]";
    }
    else
    {
        return;
    }
}
<div id="DeviceDetailTab-CommentsAndJobs" class="DevicePart @(canShowComments ? "canShowComments" : "cannotShowComments") @(canShowJobs ? "canShowJobs" : "cannotShowJobs")">
    @if (canShowComments)
    {
        <div id="DeviceDetailTab-CommentsContainer">
            @Html.Partial(MVC.Device.Views.DeviceParts._Comments, Model)
        </div>
    }
    @if (canShowJobs)
    {
        <div id="DeviceDetailTab-JobsContainer">
            @Html.Partial(MVC.Shared.Views._JobTable, Model.Jobs)
        </div>
    }
    <script>
        $('#DeviceDetailTabItems').append('<li><a href="#DeviceDetailTab-CommentsAndJobs">@label</a></li>');
    </script>
</div>