CAA160 exercise 3 final state

bookstore/srv/services.cds

@@ -0,0 +1,19 @@
+using { sap.capire.bookstore as db } from '../db/schema';
+
+// Define Books Service
+service BooksService {
+    @readonly entity Books   as projection on db.Books { *, category as genre } excluding { category, createdBy, createdAt, modifiedBy, modifiedAt };
+    @readonly entity Authors as projection on db.Authors;
+}
+
+// Define Orders Service
+service OrdersService {
+    entity Orders as projection on db.Orders;
+    // OrderItems are auto exposed
+}
+
+// Reuse Admin Service
+using { AdminService } from '@sap/capire-products';
+extend service AdminService with {
+    entity Authors as projection on db.Authors;
+}