/// <summary>
/// Product Lister
/// </summary>
/// <param name="entity"></param>
/// <param name="containerSize"></param>
/// <returns></returns>
public ActionResult ProductLister(EntityModel entity, int containerSize = 0)
{
SetupViewData(entity, containerSize);
ProductListerWidget widget = (ProductListerWidget)entity;
IProductQueryResult queryResult = null;
if (widget.CategoryReference != null)
{
var category = ResolveCategory(widget.CategoryReference);
queryResult = ECommerceContext.Client.QueryService.Query(new Api.Model.Query {
Category = category
});
}
else
{
// Use category from page controller
//
queryResult = (IProductQueryResult)ECommerceContext.Get(ECommerceContext.QUERY_RESULT);
}
if (queryResult == null)
{
queryResult = GetResultFromPageTemplate();
}
widget.Items = queryResult.Products.ToList();
this.ProcessListerNavigationLinks(widget, queryResult, (IList <FacetParameter>)ECommerceContext.Get(ECommerceContext.FACETS));
return(View(entity.MvcData.ViewName, entity));
}
/// <summary>
/// Process navigation links in product listers (next, previous etc).
/// </summary>
/// <param name="lister"></param>
/// <param name="result"></param>
/// <param name="facets"></param>
protected void ProcessListerNavigationLinks(ProductListerWidget lister, IProductQueryResult result, IList <FacetParameter> facets)
{
int totalCount = result.TotalCount;
int viewSize = result.ViewSize;
int startIndex = result.StartIndex;
int currentSet = result.CurrentSet;
lister.NavigationData = new ListerNavigationData();
int viewSets = 1;
if (totalCount > viewSize)
{
viewSets = (totalCount / viewSize) + 1;
}
lister.NavigationData.ViewSets = viewSets;
if (viewSets > 1)
{
int nextStartIndex = -1;
int previousStartIndex = -1;
if (currentSet > 1)
{
previousStartIndex = startIndex - viewSize;
}
if (currentSet < viewSets)
{
nextStartIndex = startIndex + viewSize;
}
string baseUrl = ECommerceContext.LinkResolver.GetFacetLink(facets);
if (String.IsNullOrEmpty(baseUrl))
{
baseUrl += "?";
}
else
{
baseUrl += "&";
}
if (previousStartIndex != -1)
{
lister.NavigationData.PreviousUrl = baseUrl + "startIndex=" + previousStartIndex;
}
if (nextStartIndex != -1)
{
lister.NavigationData.NextUrl = baseUrl + "startIndex=" + nextStartIndex;
}
if (currentSet > 2)
{
lister.NavigationData.FirstUrl = baseUrl + "startIndex=0";
}
if (currentSet + 1 < viewSets)
{
lister.NavigationData.LastUrl = baseUrl + "startIndex=" + ((viewSets - 1) * viewSize);
}
lister.NavigationData.CurrentSet = currentSet;
lister.NavigationData.ShowNavigation = true;
}
else
{
lister.NavigationData.ShowNavigation = false;
}
}
