Fixing crach in Umbraco 6.1.6 and uBlogsy 3.0.1

@*
    Lists all posts in a collapsable list.
    Note: you probably don't want to use this if you have 1000's of nodes as the markup will get quite heavy.
*@

@{ /* Displays post items in list form:
    *   - year
    *       - month
    *           - post item
    *           - post item
    */}
@using System.Linq;
@using uBlogsy.Common.Extensions
@using uBlogsy.Common.Helpers
@using uBlogsy.BusinessLogic;
@using uHelpsy.Extensions

@inherits UmbracoTemplatePage
@{
    int firstYear = -1;
    var nodes = PostService.Instance
        .GetPosts(Model.Content)
        .Where(x => x.Url() != "#")
        .ToIPublishedContent(true)
        .ToList();

    var archiveClass = "uBlogsy_archive uBlogsy_bottom_border";
    if ((bool)ViewData["AltLayout"])
    {
        archiveClass += " uBlogsy_post_archive_alt";
    }

    @RenderScript()

    <section class="@archiveClass">
        <h2 class="uBlogsy_head_style20">@Umbraco.GetDictionaryValue("uBlogsyDicArchive")</h2>
        <div id="uBlogsy_post_archive">
            <ul class="uBlogsy_years">
                @foreach (var node in nodes)
                {
                    var date = node.GetPropertyValue<DateTime>("uBlogsyPostDate");
                    var currentYear = date.Year;

                    if (firstYear == -1) { firstYear = currentYear; }

                    var yearClass = "uBlogsy_year";

                    if (currentYear == firstYear) { yearClass += " uBlogsy_year_first"; }

                    // render years-months-items
                    <li class="@yearClass"><a class="uBlogsy_year_name" href="#"><span>@currentYear</span></a>
                        @*render year name*@
                        <ul class="uBlogsy_months">
                            @foreach (var monthNode in nodes)
                            {
                                date = monthNode.GetPropertyValue<DateTime>("uBlogsyPostDate");

                                if (date.Year != currentYear) { break; }

                                var currentMonth = date.Month;

                                // render month
                                <li class="uBlogsy_month"><a class="uBlogsy_month_name" href="#"><span>@DateHelper.GetMonthName(currentMonth, false)</span>
                                </a> @* render month name *@
                                    <ul class="uBlogsy_post_items">
                                        @RenderPosts(nodes, currentYear, currentMonth)
                                    </ul>
                                </li>
                            }
                        </ul>
                    </li>
                }
            </ul>
        </div>
    </section>
}


@helper RenderPosts(List<IPublishedContent> nodes, int currentYear, int currentMonth)
{
    foreach (var node in nodes)
    {
        var date = node.GetPropertyValue<DateTime>("uBlogsyPostDate");
        var formattedDate = date.ToString().FormatDateTime("d MMMM yyyy");
        var title = node.GetPropertyValue<string>("uBlogsyNavigationTitle");

        if (date.Month != currentMonth) { index--; break; }
        if (date.Year != currentYear) { index--; break; }
        var cssClass = "uBlogsy_post_item" + (Model.Content.Id == node.Id ? " uBlogsy_current" : string.Empty);

        <li class="@cssClass"><a href="@node.Url()"><span class="uBlogsy_post_title">@title</span>
            <span class="uBlogsy_post_date uBlogsy_font_style50">- @formattedDate</span>
        </a></li>
    }
}



@helper RenderScript()
    {
    <script type="text/javascript">
        $(document).ready(function () {
            $('#uBlogsy_post_archive .uBlogsy_year_name').click(function () {

                // toggle months
                $(this).siblings(".uBlogsy_months").toggle();
                $(this).siblings(".uBlogsy_months").find('.uBlogsy_post_items').trigger('click');

                return false;
            });

            $('#uBlogsy_post_archive .uBlogsy_month_name').click(function () {
                // toggle months
                $(this).siblings(".uBlogsy_post_items").toggle();
                return false;
            });

            // expand current post item's month
            var postItem = $('#uBlogsy_post_archive').find('a[href$="' + window.location.pathname + '"]');
            if (postItem.length == 1) {
                $(postItem).parents('#uBlogsy_post_archive .uBlogsy_post_items').show();
                $(postItem).parents('#uBlogsy_post_archive .uBlogsy_months').show();
            }
            else {
                // expand latest month
                $(postItem).parents('#uBlogsy_post_archive .uBlogsy_months:eq(0)').show();

                // trigger click to show first month
                $('.uBlogsy_month_name:eq(0)').trigger('click');
            }
        });
    </script>
}




@functions
{
    private int index = 0;
}