external.cds

using { API_BUSINESS_PARTNER as external } from './external/API_BUSINESS_PARTNER';

/**
 * Tailor the imported API to our needs...
 */
extend service external with {

  /**
   * Add asynchronous eventing API
   */
  @topic: 'sap.s4.beh.businesspartner.v1.BusinessPartner.Changed.v1'
  event BusinessPartner.Changed {
    BusinessPartner: String;
  }

}

/**
 * Simplified view on external addresses, which in addition acts as a table to store replicated external address data.
 */
@cds.persistence:{table,skip:false} //> create a table with the view's inferred signature
@cds.autoexpose //> auto-expose in services as targets for ValueHelps and joins
entity my.bookshop.Addresses as projection on external.A_BusinessPartnerAddress {
  key AddressID as ID,
  key BusinessPartner as businessPartner,
  @readonly Country as country,
  @readonly CityName as city,
  @readonly PostalCode as postalCode,
  @readonly StreetName as street,
  @readonly HouseNumber as houseNumber,
  false as tombstone: Boolean
}

/*
 * Extend Orders with references to replicated external Addresses
 */
using { my.bookshop.Orders } from '../db/index';
extend Orders with {
  shippingAddress : Association to my.bookshop.Addresses;
}