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Exception in template (eCom/Productlist/ProductList.cshtml): System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at CompiledRazorTemplates.Dynamic.abaeafadcbaa.Execute()
   at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context)
   at RazorEngine.Templating.TemplateService.Run(ITemplate template, DynamicViewBag viewBag)
   at RazorEngine.Templating.TemplateService.Parse(String razorTemplate, Object model, DynamicViewBag viewBag, String cacheName)
   at RazorEngine.Razor.Parse[T](String razorTemplate, T model, String cacheName)
   at Dynamicweb.Rendering.Template.Output()
@inherits RazorTemplateBase<RazorTemplateModel<Template>>
@using System;
@using System.Web;
@using System.Linq;
@using Dynamicweb.Rendering;
@using ff.CustomModules;
@using ff.CustomModules.Classes;
@using Newtonsoft.Json

@{
    bool isSearch = !string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["search"]);
    bool isMobile = (GetGlobalValue("Global:Device.IsMobile") == "True") ? true : false;
}

@if (isSearch)
{
    <div id="productsearchresult" class="grey">
        <p>
            @if (GetInteger("Ecom:ProductList.PageProdCnt") < 2)
            {
                @String.Format(Translate("SearchResultSingular", "Your search for \"{0}\" gave {1} result"), HttpContext.Current.Request.QueryString["search"], GetString("Ecom:ProductList.PageProdCnt"))
            }
            else
            {
                @String.Format(Translate("SearchResultPlural", "Your search for \"{0}\" gave {1} results"), HttpContext.Current.Request.QueryString["search"], GetString("Ecom:ProductList.PageProdCnt"))
            }
        </p>
    </div>
}

<div id="group-name" style="display:none"></div>

@{
    var designerGroups = Dynamicweb.eCommerce.Products.Group.GetGroupByID(Pageview.Area.Item["ByDesignerGroupId"].ToString()).SubgroupsDefaultLanguage;
    Dictionary<string, int> designerSorting = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);

    for (int i = 0; i < designerGroups.Count; i++)
    {
        // key = designer name in lower case stripped of all that is not number or letter, to make sure there isn't any difference
        string s = FFUtilities.GetOnlyLetters(designerGroups[i].Name);
        designerSorting.Add(s, i);
    }

    var collections = GetLoop("Products")
        .Where(x => x.GetString("Ecom:Product:Field.Master") == "MASTER")
        .GroupBy(x => x.GetString("Ecom:Product:Field.Collection"));

    var dwCollectionGroups = Dynamicweb.eCommerce.Products.Group.GetGroupByID("9999").Subgroups;

    List<ProductListCollection> productListCollections = new List<ProductListCollection>();
    foreach (var collection in collections)
    {
        var designers = (from product in collection select product.GetString("Ecom:Product:Field.Designer"))
            .Union(from product in collection select product.GetString("Ecom:Product:Field.SecondDesigner"))
            .Where(x => !String.IsNullOrEmpty(x))
            .Distinct();

        Dynamicweb.eCommerce.Products.Group dwCollectionGroup = null;
        int collectionSort = 0;
        for (int i = 0; i < dwCollectionGroups.Count; i++)
        {
            if (dwCollectionGroups[i].Name == collection.Key)
            {
                dwCollectionGroup = dwCollectionGroups[i];
                collectionSort = i;
                break;
            }
        }

        if (dwCollectionGroup != null)
        {
            foreach (var designer in designers)
            {
                string designerKey = FFUtilities.GetOnlyLetters(designer);

                ProductListCollection plc = new ProductListCollection
                {
                    OrderInCollections = collectionSort,
                    DesignerOrder = designerSorting[designerKey],
                    CollectionName = collection.Key,
                    Designer = designer,
                    DesignerKey = designerKey,
                    Products = collection.OrderBy(x => dwCollectionGroup.Products.IndexOf(x.GetString("Ecom:Product.ID"))).ToList()
                };

                productListCollections.Add(plc);
            }
        }
    }

    LoopItem designerGroup = null;
    string currentDesigner = null;

    foreach (var collection in productListCollections.OrderBy(x => x.DesignerOrder))
    {
        // New designer
        if (currentDesigner != collection.Designer)
        {
            currentDesigner = collection.Designer;
            <div class="designer-name"
                 id="[email protected]"
                 style="display:none"
                 data-designerkey="@HttpUtility.HtmlAttributeEncode(collection.DesignerKey)"
                 data-designerorder="@collection.DesignerOrder">
                @collection.Designer
            </div>
        }
    }


    //Test
    <input id="myHidden" type="hidden" value="@collections.Count()" />
    //End Test

    foreach (var collection in productListCollections.OrderBy(x => x.OrderInCollections))
    {
        designerGroup = null;

        var designers = (from c in productListCollections
                         where c.CollectionName == collection.CollectionName
                         select c.Designer)
                         .Distinct()
                         .ToArray();

        string alreadyDisplayedClass = string.Empty;
        string display = string.Empty;

        if (productListCollections.Any(x => x.CollectionName == collection.CollectionName && x.DesignerOrder < collection.DesignerOrder))
        {
            alreadyDisplayedClass = "collection-secondary";
            display = "display:none";
        }

        <div class="collectioncontainer @alreadyDisplayedClass"
             id="[email protected](collection.CollectionName)"
             style="@display"
             data-designerkey="@HttpUtility.HtmlAttributeEncode(collection.DesignerKey)"
             data-collectionorder="@collection.OrderInCollections"
             data-designerorder="@collection.DesignerOrder">
            <div class="container container1015">
                <h2 class="anchor">@(string.IsNullOrEmpty(collection.CollectionName) ? "No collection name" : collection.CollectionName)</h2>
                @if (!designers.Contains("Fredericia"))
                {
                    <div class="collection-by"><h5>@Translate("By", "By") @String.Join(" - ", designers)</h5></div>
                }

                <div class="products">
                    @foreach (var product in collection.Products)
                    {
                        if (designerGroup == null)
                        {
                            designerGroup = product.GetLoop("AssociatedGroups").FirstOrDefault(x => x.GetString("Ecom:Group:Field.GroupType.Value") == "designer");
                        }

                        List<string> groups = new List<string>();
                        foreach (var group in product.GetLoop("AssociatedGroups"))
                        {
                            groups.Add(group.GetString("Ecom:Group.ID"));
                        }

                        <div class="inline product-container"
                             data-groups="@String.Join("|", groups.ToArray())"
                             data-filters="@product.GetString("Ecom:Product:Field.Filters")"
                             data-designerkey="@HttpUtility.HtmlAttributeEncode(FFUtilities.GetOnlyLetters(product.GetString("Ecom:Product:Field.Designer")))">
                            @{
                                string separator = product.GetString("Ecom:Product.LinkGroup.Clean.PID").Contains('?') ? "&" : "?";
                                string url = product.GetString("Ecom:Product.LinkGroup.Clean.PID") + separator + "catid=" + product.GetString("Ecom:Product.PrimaryGroupID");
                                string imageRatio = product.GetString("Ecom:Product:Field.ImageRatio");
                                string classRatio = "ratio-single";

                                if (!string.IsNullOrWhiteSpace(imageRatio) && imageRatio != "1")
                                {
                                    if (imageRatio == "2")
                                    {
                                        classRatio = "ratio-double";
                                    }
                                    else
                                    {
                                        var ratio = Math.Round(product.GetDouble("Ecom:Product:Field.ImageRatio"));
                                        if (ratio > 1)
                                        {
                                            classRatio = "ratio-double";
                                        }
                                    }
                                }
                            }
                            <div class="product @classRatio visible">
                                <a href="@url">
                                    <div class="productimgbox @classRatio">
                                        @{
                                            var imageWidth = "550";
                                            var imageHeight = "275";

                                            if (isMobile)
                                            {
                                                imageWidth = "145";
                                                imageHeight = "145";
                                            }

                                            var altText = product.GetString("Ecom:Product.Name");
                                            var image = Pageview.Area.Item["PerfionApiUrl"] + "/Perfion/Image.aspx?id=" + product.GetString("Ecom:Product:Field.ListImage") + "&size=" + imageWidth + "x" + imageHeight + "&format=png&fit=fit";

                                            string imageUrl = "https://test.fredericia.com/cdn-cgi/image/width=" + imageWidth + ",quality=80,f=auto/" + image;

                                            <picture>
                                                <source srcset="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-srcset="@imageUrl" width="@imageWidth" height="@imageHeight" title="@altText" type="image/webp">
                                                <source srcset="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-srcset="@image" title="@altText" width="@imageWidth" height="@imageHeight" type="image/png">
                                                <img class="img img-responsive b-lazy" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="@image" alt="@altText" width="@imageWidth" height="@imageHeight">
                                            </picture>
                                        }
                                    </div>
                                    <div class="name">@product.GetString("Ecom:Product.Name")</div>
                                    <div class="name-mobile hidden-over768 "><p>@product.GetString("Ecom:Product.Name")</p></div>
                                </a>
                            </div>
                        </div>
                    }
                </div>
                @if (designerGroup != null)
                {
                    <div class="view-collection" style="display:none">
                        <span class="view-collection-link">@Translate("ViewCollection", "View collection")</span>
                    </div>
                }
            </div>
        </div>
    }
}

<script type="text/javascript">
    // Don't scroll if there is an anchor (scrolling is done in the js)
    if (location.hash) {               // do the test straight away
        window.scrollTo(0, 0);         // execute it straight away
        setTimeout(function() {
            window.scrollTo(0, 0);     // run it a bit later also for browser compatibility
        }, 1);
    }

    IsSearch = @(isSearch.ToString().ToLower() + ';')
</script>
<script src="/Files/Templates/Designs/Fredericia/Assets/js/pages/Products.min.js" defer="defer"></script>