Spring cleaning, part 2 (#813)

* Remove OData v2 show case: Genres TreeView
* Refactored bookstore and fiori services: consolidate routing and remove deprecated files
* Add Jest configuration file with silent mode enabled
* Refactor test files: streamline imports and remove redundant code
* Change price field type to Price for better clarity and precision
* Example for separation of concerns: access-control.cds

bookshop/db/schema.cds

@@ -8,7 +8,7 @@ entity Books : managed {
   author   : Association to Authors @mandatory;
   genre    : Association to Genres;
   stock    : Integer;
-  price    : Decimal;
+  price    : Price;
   currency : Currency;
   image    : LargeBinary @Core.MediaType: 'image/png';
 }
@@ -29,3 +29,5 @@ entity Genres : sap.common.CodeList {
   parent   : Association to Genres;
   children : Composition of many Genres on children.parent = $self;
 }
+
+type Price : Decimal(9,2);

bookshop/package.json

@@ -6,8 +6,7 @@
     "app",
     "srv",
     "db",
-    "index.cds",
-    "index.js"
+    "index.cds"
   ],
   "devDependencies": {
     "@cap-js/sqlite": "*"

bookshop/srv/access-control.cds

@@ -0,0 +1,2 @@
+using { AdminService } from './admin-service';
+annotate AdminService with @requires:'admin';

bookshop/srv/admin-service.cds

@@ -1,5 +1,6 @@
 using { sap.capire.bookshop as my } from '../db/schema';
-service AdminService @(requires:'admin', path:'/admin') {
-  entity Books as projection on my.Books;
+service AdminService @(path:'/admin') {
   entity Authors as projection on my.Authors;
+  entity Books as projection on my.Books;
+  entity Genres as projection on my.Genres;
 }