Improved samples for new capire

bookshop/srv/admin-service.cds

@@ -1,5 +1,5 @@
 using { sap.capire.bookshop as my } from '../db/schema';
 service AdminService @(requires:'admin', path:'/admin') {
   entity Books as projection on my.Books;
-  entity Authors as projection on my.Authors;
+  // entity Authors as projection on my.Authors;
 }

bookshop/srv/cat-service.cds

@@ -2,15 +2,20 @@ using { sap.capire.bookshop as my } from '../db/schema';
 service CatalogService @(path:'/browse') {
 
   /** For displaying lists of Books */
-  @readonly entity ListOfBooks as projection on Books
-  excluding { descr };
+  @readonly entity Books as projection on Book excluding { descr };
 
   /** For display in details pages */
-  @readonly entity Books as projection on my.Books { *,
-    author.name as author
-  } excluding { createdBy, modifiedBy };
+  @readonly entity Book as projection on my.Books { *,
+    currency.name as currencyName, // flattened
+    currency.symbol as currency,  // flattened
+    author.name as author,       // flattened
+    genre.name as genre,        // flattened
+  } excluding {
+    createdBy, modifiedBy, // as end users shouldn't see them
+    localized, texts,     // as end users don't need them
+  };
 
   @requires: 'authenticated-user'
-  action submitOrder ( book: Books:ID, quantity: Integer ) returns { stock: Integer };
-  event OrderedBook : { book: Books:ID; quantity: Integer; buyer: String };
+  action submitOrder ( book: Book:ID, quantity: Integer ) returns { stock: Integer };
+  event OrderedBook : { book: Book:ID; quantity: Integer; buyer: String };
 }

bookshop/srv/cat-service.js

@@ -3,10 +3,10 @@ const cds = require('@sap/cds')
 class CatalogService extends cds.ApplicationService { init() {
 
   const { Books } = cds.entities('sap.capire.bookshop')
-  const { ListOfBooks } = this.entities
+  const { Books:Book } = this.entities
 
   // Add some discount for overstocked books
-  this.after('each', ListOfBooks, book => {
+  this.after('each', Book, book => {
     if (book.stock > 111) book.title += ` -- 11% discount!`
   })