/// <summary>
/// Constructs a link-entity chain from the <paramref name="fetch"/>
/// </summary>
/// <param name="customerToProductRelationshipNamesCollection">Collection of relationships that map from Customer to Product</param>
/// <param name="fetch">Fetch used to construct link chain</param>
/// <param name="filter">Filter to inject conditions into</param>
/// <param name="contact">Contact EntityReference</param>
/// <param name="account">Account EntityReference</param>
/// <param name="owningCustomerType">Owning Customer Type</param>
/// <param name="linkEntityAliasGenerator">Single instance to maintain alias postfix incrementation</param>
/// <returns>Root link of the constructed chain</returns>
private Link BuildLinksAndFilterChain(string[] customerToProductRelationshipNamesCollection,
Fetch fetch, Filter filter, EntityReference contact, EntityReference account,
OwningCustomerType owningCustomerType, LinkEntityAliasGenerator linkEntityAliasGenerator)
{
var rootLink = new Link();
var linkDetails = this.GetLinkDetails(customerToProductRelationshipNamesCollection, owningCustomerType);
foreach (var linkDetail in linkDetails)
{
var innermostLink = GetInnermostLink(rootLink);
var currentLinkDetailConnectsToAccountOrContact = (contact != null && (linkDetail.Entity1Name == "contact" || linkDetail.Entity2Name == "contact")) ||
(account != null && (linkDetail.Entity1Name == "account" || linkDetail.Entity2Name == "account"));
this.BuildLinksAndFilter(this.Portal.ServiceContext, linkDetail, fetch, innermostLink, filter, contact, account, currentLinkDetailConnectsToAccountOrContact, linkEntityAliasGenerator);
}
return(rootLink);
}
/// <summary>
/// Constructs the <see cref="LinkDetails"/> collection that maps from specified <see cref="EntityPermissionScope"/> to Product
/// </summary>
/// <param name="contactToProductRelationshipNamesCollection">Collection of relationship names that map from specified <see cref="EntityPermissionScope"/> to Product</param>
/// <param name="owningCustomerType"><see cref="EntityPermissionScope"/> of owning Customer</param>
/// <returns>Collection of <see cref="LinkDetails"/> from specified <see cref="OwningCustomerType"/> to Product</returns>
private IEnumerable <LinkDetails> GetLinkDetails(string[] contactToProductRelationshipNamesCollection, OwningCustomerType owningCustomerType)
{
// Specify the corresponding Customer schema name based on passed EntityPermissionScope
var entityPermissionScopeName = owningCustomerType == OwningCustomerType.Account
? "account"
: "contact";
var linkDetailsCollection = new List <LinkDetails>();
if (contactToProductRelationshipNamesCollection.Count() == 1)
{
linkDetailsCollection.Add(new LinkDetails("product", entityPermissionScopeName, contactToProductRelationshipNamesCollection[0], owningCustomerType));
}
else if (contactToProductRelationshipNamesCollection.Count() == 2)
{
// Retrieve Customer and Product metadata
var customerMetadata = GetEntityMetadata(this.Portal.ServiceContext, entityPermissionScopeName);
var productMetadata = GetEntityMetadata(this.Portal.ServiceContext, "product");
// Retrieve the intersecting entities schema name for the specified relationship name
var customer2IntersectSchemaName = customerMetadata.OneToManyRelationships.FirstOrDefault(metadata => metadata.SchemaName == contactToProductRelationshipNamesCollection[0]);
var product2IntersectSchemaName = productMetadata.OneToManyRelationships.FirstOrDefault(metadata => metadata.SchemaName == contactToProductRelationshipNamesCollection[1]);
// Ensure that the insersecting entity for the specified relationships match
if (customer2IntersectSchemaName == null || product2IntersectSchemaName == null || product2IntersectSchemaName.ReferencingEntity != customer2IntersectSchemaName.ReferencingEntity)
{
return(linkDetailsCollection);
}
// Add the specified LinkDetails to the collection
linkDetailsCollection.Add(new LinkDetails("product", product2IntersectSchemaName.ReferencingEntity, contactToProductRelationshipNamesCollection[1]));
linkDetailsCollection.Add(new LinkDetails(customer2IntersectSchemaName.ReferencingEntity, entityPermissionScopeName, contactToProductRelationshipNamesCollection[0], owningCustomerType));
}
return(linkDetailsCollection);
}
