public RelatedCatalogItemsViewModel GetRelationshipsFromItem(Item catalogItem, Rendering rendering)
{
if (catalogItem == null || !catalogItem.IsDerived(Foundation.Commerce.Templates.Commerce.CatalogItem.Id) || !catalogItem.FieldHasValue(Foundation.Commerce.Templates.Commerce.CatalogItem.Fields.RelationshipList))
{
return(null);
}
RelationshipField field = catalogItem.Fields[Foundation.Commerce.Templates.Commerce.CatalogItem.Fields.RelationshipList];
var model = new RelatedCatalogItemsViewModel();
var productRelationshipInfoList = field.GetRelationships();
productRelationshipInfoList = productRelationshipInfoList.OrderBy(x => x.Rank);
var productModelList = GroupRelationshipsByDescription(productRelationshipInfoList);
model.RelatedProducts.AddRange(productModelList);
return(model);
}
/// <summary>
/// Gets a lists of target items from a relationship field
/// </summary>
/// <param name="storefront">The storefront.</param>
/// <param name="visitorContext">The visitor context.</param>
/// <param name="field">the relationship field</param>
/// <param name="rendering">The target renering.</param>
/// <param name="relationshipNames">the names of the relationships, to retrieve (for example upsell).</param>
/// <returns>
/// a list of relationship targets or null if no items found
/// </returns>
public RelatedCatalogItemsViewModel GetRelationshipsFromField([NotNull] CommerceStorefront storefront, [NotNull] VisitorContext visitorContext, RelationshipField field, Rendering rendering, IEnumerable <string> relationshipNames)
{
Assert.ArgumentNotNull(storefront, "storefront");
relationshipNames = relationshipNames ?? Enumerable.Empty <string>();
relationshipNames = relationshipNames.Select(s => s.Trim());
var model = new RelatedCatalogItemsViewModel();
if (field != null)
{
var productRelationshipInfoList = field.GetRelationships();
productRelationshipInfoList = productRelationshipInfoList.OrderBy(x => x.Rank);
var productModelList = this.GroupRelationshipsByDescription(storefront, visitorContext, field, relationshipNames, productRelationshipInfoList, rendering);
model.RelatedProducts.AddRange(productModelList);
}
model.Initialize(rendering);
return(model);
}