display custom list of insights, the most recent five OR filter by tag

insightsBlock.cshtml

@inherits UmbracoViewPage<Lecoati.LeBlender.Extension.Models.LeBlenderModel>

@*
    topInsights
    filterByTag
*@
    
@if (Model.Items.Any())
{
    var isFrontEnd = Lecoati.LeBlender.Extension.Helper.IsFrontEnd();
    // Create blank list to add to in foreach loop
    var combinedList = new List<IPublishedContent>();
	foreach (var item in Model.Items)
        {
            var insights = Umbraco.TypedContentAtRoot().First().Descendants("insight").Where(x => x.IsVisible()).OrderByDescending(x => x.GetPropertyValue<DateTime>("insightDate")).Take(5);
            if(item.GetValue<IEnumerable<IPublishedContent>>("topInsights") != null){
                insights = item.GetValue<IEnumerable<IPublishedContent>>("topInsights");
            }

    
          if(item.GetValue<IEnumerable<IPublishedContent>>("filterByTag") !=null){
              var theTags = item.GetValue<IEnumerable<IPublishedContent>>("filterByTag").ToContentSet();
              var theFilter = "";
              var orText = "";
              
              foreach(var tag in theTags){
                  var theIndex = Convert.ToInt32(tag.Index());
                if(theTags.Count() > 1 && (theIndex +1) < theTags.Count()){
                    orText = " || ";
                } else {
                    orText ="";
                }
                
                  theFilter += "z.GetPropertyValue<IEnumerable<IPublishedContent>>(\"contentTags\").Select(y => y.Id).Contains(" + tag.Id + ")" + orText;
              }
               var theQuery = "Umbraco.TypedContentAtRoot().First().Descendants(\"insight\").Where(x => x.IsVisible()).Where(z =>" + theFilter + ")";

               insights = Umbraco.TypedContentAtRoot().First().Descendants("insight").Where(x => x.IsVisible());
                @*    Umbraco.TypedContentAtRoot().First().Descendants("insight").Where(x => x.IsVisible()).OrderByDescending(x => x.GetPropertyValue<DateTime>("insightDate"))
                    .Take(5);*@
                <p>@theQuery</p>
                
            }
            var topInsight = insights.Take(1);
            var otherInsights = insights.Skip(1).Take(4);
           
            var theCount = insights.Count();
            if(isFrontEnd){
                <div class="row">
                    @foreach(var insight in topInsight){
                        var theImage = insight.GetPropertyValue<IPublishedContent>("insightImage");
                        var bgImage = "";
                        var insightTitle = insight.HasValue("insightTitle") ? insight.GetPropertyValue("insightTitle") : insight.Name;
                            if(theImage != null){
		                        bgImage= theImage.GetCropUrl("resourceImage");
		                    }

                            @*<p>@insight.GetPropertyValue<IEnumerable<IPublishedContent>>("contentTags").ToString()</p>*@
                        <div class="col-sm-6">
                            <div class="embed-responsive embed-responsive-1by1 position-relative">
                                <div class="embed-responsive-item resource-block-image" style="background-image: url(@(bgImage))">
                                   <div class="resource-block-caption"><a href="@insight.Url" class="stretched-link">@insightTitle</a></div> 
                                </div>
                            </div>
                        </div>
                    }
                    <div class="col-sm-6">
                    @foreach(var insightGroup in otherInsights.InGroupsOf(2)){
                        <div class="row my-n3">
                            @foreach(var insight in insightGroup){
                                var theImage = insight.GetPropertyValue<IPublishedContent>("insightImage");
                                var bgImage = "";
                                var insightTitle = insight.HasValue("insightTitle") ? insight.GetPropertyValue("insightTitle") : insight.Name;
                                    if(theImage != null){
		                                bgImage= theImage.GetCropUrl("resourceImage");
		                            }
                                <div class="col-sm-6 py-3 px-3 mb-3">
                                    <div class="embed-responsive embed-responsive-1by1">
                                        <div class="embed-responsive-item resource-block-image" style="background-image: url(@(bgImage))">
                                            <div class="resource-block-caption"><a href="@insight.Url" class="stretched-link">@insightTitle</a></div> 
                                        </div>
                                    </div>
                                </div>
                            }
                       </div>
                    }
                     </div>
                </div>
                
            } else {
                <p>@(theCount)</p>
            }
        }
}