private List <Product> GetProductsByCategoryFromBDC(string categoryId)
{
List <Product> products = new List <Product>();
IEntityInstance sourceCategory = CategoryEntity.FindSpecific(categoryId, ProductCatalogSystem);
EntityInstanceCollection source = new EntityInstanceCollection();
if (source != null)
{
source.Add(sourceCategory);
}
IEntityInstanceEnumerator entitiesEnumerator = ProductEntity.FindAssociated(source, ProductCatalogSystem);
while (entitiesEnumerator.MoveNext())
{
IEntityInstance productInstance = entitiesEnumerator.Current;
Product product = new Product();
product.CategoryId = (string)productInstance["CategoryId"];
product.ImagePath = (string)productInstance["ImagePath"];
product.LongDescription = (string)productInstance["LongDescription"];
product.ShortDescription = (string)productInstance["ShortDescription"];
product.Name = (string)productInstance["Name"];
product.Sku = (string)productInstance["Sku"];
product.ThumbnailImagePath = (string)productInstance["ThumbnailImagePath"];
products.Add(product);
SetCachedProduct(product);
}
return(products);
}
private List <Category> GetChildCategoriesByCategoryFromBDC(string categoryId)
{
List <Category> categories = new List <Category>();
if (!string.IsNullOrEmpty(categoryId))
{
IEntityInstance sourceCategory = CategoryEntity.FindSpecific(categoryId, ProductCatalogSystem);
EntityInstanceCollection source = new EntityInstanceCollection();
if (sourceCategory != null)
{
source.Add(sourceCategory);
}
IEntityInstanceEnumerator instanceEnumerator = CategoryEntity.FindAssociated(source,
ProductCatalogSystem);
while (instanceEnumerator.MoveNext())
{
IEntityInstance categoryInstance = instanceEnumerator.Current;
Category category = new Category();
category.CategoryId = (string)categoryInstance["CategoryId"];
category.Name = (string)categoryInstance["Name"];
category.ParentId = (string)categoryInstance["ParentId"];
categories.Add(category);
string key = typeof(Category).FullName + categoryId;
cache.Add(key, categories, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(5f),
CacheItemPriority.Normal, null);
}
}
return(categories);
}
/// <summary>
/// Gets the parts for a particular product specified by it's sku.
/// </summary>
/// <param name="sku">The sku to retrieve parts for.</param>
/// <returns>The parts for this product.</returns>
public IEnumerable <Part> GetPartsByProductSku(string sku)
{
List <Part> parts = new List <Part>();
IEntityInstance sourceProduct = ProductEntity.FindSpecific(sku, ProductCatalogSystem);
EntityInstanceCollection source = new EntityInstanceCollection();
if (source != null)
{
source.Add(sourceProduct);
}
IEntityInstanceEnumerator entitiesEnumerator = PartEntity.FindAssociated(source, ProductCatalogSystem);
while (entitiesEnumerator.MoveNext())
{
IEntityInstance partInstance = entitiesEnumerator.Current;
Part part = new Part();
part.Name = (string)partInstance["Name"];
part.PartId = (string)partInstance["PartId"];
parts.Add(part);
}
return(parts);
}
//this method uses an Association from the model to return Items associated with the selected machine
public List <BdcPart> GetPartsByMachineId(int machineId)
{
//Get Destination entity and Association
IEntity entity = catalog.GetEntity(Constants.BdcEntityNameSpace, "Parts");
IAssociation association = (IAssociation)entity.GetMethodInstance("GetPartsByMachineID", MethodInstanceType.AssociationNavigator);
//Get Source entity and add to collection (required for method call)
IEntityInstance machineInstance = GetBdcEntityInstance(machineId, "Machines");
EntityInstanceCollection collection = new EntityInstanceCollection();
collection.Add(machineInstance);
// Navigate the association.
IEntityInstanceEnumerator associatedInstances = entity.FindAssociated(collection, association, partsManagementLobSystemInstance, OperationMode.Online);
//Return a collection of View Models from the associated Data Table
return(new DataMapper <BdcPart>(entity.Catalog.Helper.CreateDataTable(associatedInstances)).Collection);
}
