Update readme.md (#853)

Bumps the production-dependencies group with 2 updates in the / directory: [@cap-js/hana](https://cap.cloud.sap/) and @sap/xssec.


Updates `@cap-js/hana` from 1.8.1 to 2.1.1

Updates `@sap/xssec` from 4.6.0 to 4.8.0

---
updated-dependencies:
- dependency-name: "@cap-js/hana"
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: production-dependencies
- dependency-name: "@sap/xssec"
  dependency-version: 4.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.deploy/app-router/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "approuter",
+  "dependencies": {
+    "@sap/approuter": "^20.0.0"
+  },
+  "scripts": {
+    "start": "node node_modules/@sap/approuter/approuter.js"
+  }
+}

.deploy/app-router/resources/bookshop

@@ -0,0 +1 @@
+../../../bookshop/app/vue

.deploy/app-router/resources/orders

@@ -0,0 +1 @@
+../../../orders/app/orders

.deploy/app-router/resources/reviews

@@ -0,0 +1 @@
+../../../reviews/app/vue

.deploy/app-router/xs-app.json

@@ -0,0 +1,41 @@
+{
+  "welcomeFile": "app/bookshop/index.html",
+  "routes": [
+    {
+      "source": "^/app/(.*)$",
+      "target": "$1",
+      "localDir": "resources",
+      "cacheControl": "no-cache, no-store, must-revalidate"
+    },
+    {
+      "source": "^/admin/(.*)$",
+      "target": "/admin/$1",
+      "destination": "bookstore-api",
+      "csrfProtection": true
+    },
+    {
+      "source": "^/browse/(.*)$",
+      "target": "/browse/$1",
+      "destination": "bookstore-api",
+      "csrfProtection": true
+    },
+    {
+      "source": "^/user/(.*)$",
+      "target": "/user/$1",
+      "destination": "bookstore-api",
+      "csrfProtection": true
+    },
+    {
+      "source": "^/odata/v4/orders/(.*)$",
+      "target": "/odata/v4/orders/$1",
+      "destination": "orders-api",
+      "csrfProtection": true
+    },
+    {
+      "source": "^/reviews/(.*)$",
+      "target": "/reviews/$1",
+      "destination": "reviews-api",
+      "csrfProtection": true
+    }
+  ]
+}

.eslintrc

@@ -1,24 +0,0 @@
-{
-    "extends": "eslint:recommended",
-    "env": {
-        "node": true,
-        "es6": true,
-        "jest": true
-    },
-    "parserOptions": {
-        "ecmaVersion": 2018
-    },
-    "globals": {
-        "SELECT": true,
-        "INSERT": true,
-        "UPDATE": true,
-        "DELETE": true,
-        "CREATE": true,
-        "DROP": true,
-        "cds": true
-    },
-    "rules": {
-        "no-console": "off",
-        "require-atomic-updates": "off"
-    }
-}

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: This channel is CLOSED. 
+    about: Use SAP community instead
+    url: https://answers.sap.com/tags/9f13aee1-834c-4105-8e43-ee442775e5ce

.github/dependabot.yml

@@ -0,0 +1,23 @@
+version: 2
+
+updates:
+- package-ecosystem: npm
+  directory: /
+  versioning-strategy: increase-if-necessary
+  schedule:
+    interval: weekly
+  groups:
+    production-dependencies:
+      dependency-type: "production"
+    development-dependencies:
+      dependency-type: "development"
+  ignore:
+    - dependency-name: "chai"
+        # chai 5 doesn't work atm w/ cds.test, TODO fix that in cds.test
+      versions: ["5.x"]
+    - dependency-name: "chai-as-promised"
+        # chai-as-promised 8 doesn't work atm w/ cds.test, TODO fix that in cds.test
+      versions: ["8.x"]
+    - dependency-name: "express"
+        # express 5 not supported atm
+      versions: ["5.x"]

.github/workflows/node.js.yml

@@ -0,0 +1,38 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [22.x, 20.x]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm ci
+    - run: npm test
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 22.x
+    - run: npm ci
+    - run: npm run lint

.gitignore

@@ -12,4 +12,14 @@ target/
 *.mtar
 connection.properties
 default-env.json
+.cdsrc-private.json
 packages/messageBox
+reviews/msg-box
+reviews/db/test.db
+
+*.openapi3.json
+*.sqlite
+*.db
+
+@types/
+@cds-models/

.npmrc

@@ -1 +0,0 @@
-@sap:registry=https://npm.sap.com

.reuse/dep5

@@ -0,0 +1,29 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: cloud-cap-samples
+Upstream-Contact: <Christian Georgi (christian.georgi@sap.com)>
+Source: https://github.com/SAP-samples/cloud-cap-samples
+Disclaimer: The code in this project may include calls to APIs (“API Calls”) of
+ SAP or third-party products or services developed outside of this project
+ (“External Products”).
+ “APIs” means application programming interfaces, as well as their respective
+ specifications and implementing code that allows software to communicate with
+ other software.
+ API Calls to External Products are not licensed under the open source license
+ that governs this project. The use of such API Calls and related External
+ Products are subject to applicable additional agreements with the relevant
+ provider of the External Products. In no event shall the open source license
+ that governs this project grant any rights in or to any External Products,or
+ alter, expand or supersede any terms of the applicable additional agreements.
+ If you have a valid license agreement with SAP for the use of a particular SAP
+ External Product, then you may make use of any API Calls included in this
+ project’s code for that SAP External Product, subject to the terms of such
+ license agreement. If you do not have a valid license agreement for the use of
+ a particular SAP External Product, then you may only make use of any API Calls
+ in this project for that SAP External Product for your internal, non-productive
+ and non-commercial test and evaluation of such API Calls. Nothing herein grants
+ you any rights to use or access any SAP External Product, or provide any third
+ parties the right to use of access any SAP External Product, through API Calls.
+
+Files: *.*
+Copyright: 2019-2025 SAP SE or an SAP affiliate company and cap-cloud-samples
+License: Apache-2.0

.vscode/extensions.json

@@ -0,0 +1,17 @@
+{
+	// See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+	// Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+
+	// List of extensions which should be recommended for users of this workspace.
+	"recommendations": [
+		"qwtel.sqlite-viewer",
+		"sapse.vscode-cds",
+		"dbaeumer.vscode-eslint",
+		"mechatroner.rainbow-csv",
+		"humao.rest-client",
+	],
+	// List of extensions recommended by VS Code that should not be recommended for users of this workspace.
+	"unwantedRecommendations": [
+
+	]
+}

.vscode/launch.json

@@ -5,33 +5,30 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "bookshop", "request": "launch", "type": "node", "runtimeExecutable": "npx", "runtimeArgs": [ "-n" ],
-      "args": [ "--", "cds", "run", "--in-memory" ],
-      "cwd": "${workspaceFolder}/packages/bookshop",
-      "console": "integratedTerminal",
-      "skipFiles": ["<node_internals>/**"]
+      "name": "bookshop",
+      "command": "npx cds watch bookshop",
+      "type": "node-terminal",
+      "request": "launch",
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/cds/lib/lazy.js",
+        "**/cds/lib/req/cds-context.js",
+        "**/odata-v4/okra/**"
+      ]
     },
     {
-      "name": "cds run ...", "request": "launch", "type": "node", "runtimeExecutable": "npx", "runtimeArgs": [ "-n" ],
-      "args": [ "--", "cds", "run", "--with-mocks", "--in-memory?" ],
-      "cwd": "${workspaceFolder}/packages/${input:service}",
-      "console": "integratedTerminal",
-      "skipFiles": ["<node_internals>/**"]
-    }
-  ],
-  "inputs": [
-    {
-      "type": "pickString",
-      "id": "service",
-      "description": "Which service do you want to start?",
-      "options": [
-        "bookshop",
-        "bookstore",
-        "media-server",
-        "office-supplies",
-        "reviews-service"
-      ],
-      "default": "bookshop"
+      "name": "bookstore",
+      "command": "npx cds watch bookstore",
+      "type": "node-terminal",
+      "request": "launch",
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/cds/lib/lazy.js",
+        "**/cds/lib/req/cds-context.js",
+        "**/odata-v4/okra/**"
+      ]
     }
   ]
 }

.vscode/settings.json

@@ -1,6 +1,16 @@
 {
   "files.exclude": {
-    "**/.gitignore": true,
-    "**/.vscode": true
+    "**/node_modules": true,
+    "LICENSES": true,
+    ".reuse": true
+  },
+  "debug.javascript.terminalOptions": {
+    "skipFiles": [
+      "<node_internals>/**",
+      "**/node_modules/**",
+      "**/cds/lib/lazy.js",
+      "**/cds/lib/req/cds-context.js",
+      "**/odata-v4/okra/**"
+    ]
   }
 }

.vscode/tasks.json

@@ -1,17 +1,15 @@
 {
-    // See https://go.microsoft.com/fwlink/?LinkId=733558
-    // for the documentation about the tasks.json format
-    "version": "2.0.0",
-    "tasks": [
-        {
-            "type": "npm", "script": "watch", "path": "packages/bookshop/",
-            "options": { "env": { "PORT": "4004" }},
-            "presentation": { "group": "A" }
-        },
-        {
-            "type": "npm", "script": "watch", "path": "packages/reviews-service/",
-            "options": { "env": { "PORT": "5005" }},
-            "presentation": { "group": "A" }
-        }
-    ]
+  // See https://go.microsoft.com/fwlink/?LinkId=733558
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "type": "npm",
+      "script": "jest",
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      }
+    }
+  ]
 }

LICENSE

@@ -1,190 +1,201 @@
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+   limitations under the License.

NOTICE

@@ -1 +0,0 @@
-Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved.

README.md

@@ -1,71 +0,0 @@
-# cloud-cap-samples
-
-This is a monorepository for sample projects on [SAP Cloud Application Programming Model](https://cap.cloud.sap).
-
-## Description
-
-This repository provides a list of samples and reusable packages created based on SAP Cloud Application Programming Model.
-The SAP Cloud Application Programming Model enables you to quickly create business applications by allowing you to focus on your domain logic. It offers a consistent end-to-end programming model that includes languages, libraries and APIs tailored for full-stack development on SAP Cloud Platform.
-
-The samples provided can be run in a local setup on SQLite Database.
-
-
-## Requirements
-* [Node.js](https://nodejs.org/en/) v8 or higher
-* [Git](https://git-scm.com)
-* [SQLite DB](https://www.sqlite.org/download.html) (Windows only; pre-installed on Mac/Linux)
-
-#### Optional (if you want to import the code into an editor)
-* [VS Code](https://code.visualstudio.com)
-* [Add CDS extension to VS](https://cap.cloud.sap/docs/get-started/in-vscode#add-cds-editor)
-
-## Download and Installation
-
-#### Install `cds` development kit
-```sh
-# `@sap`-scoped packages are set via .npmrc
-npm install -g @sap/cds-dk
-cds  #> test-run it
-```
-Got issues?  Check out the [documentation](https://cap.cloud.sap/docs/get-started/).
-
-#### Clone and build the application
-`git clone https://github.com/SAP-samples/cloud-cap-samples samples && cd samples && npm i`
-
-#### Run the samples
-
-With that you're ready to run the samples, e.g. start the [_bookshop_](./packages/bookshop) sample as follows:
-
-`npm run bookshop`
-
-## Test
-
-For example, try these links in your browser:
-- <http://localhost:4004> to test with generic index page.
-- <http://localhost:4004/fiori.html> to test with Fiori sandbox.
-
-
-## Debug
-
-For example, in [VS Code](https://code.visualstudio.com) switch to _Debug_ view and launch one of the prepared _cds run_ launch configurations.
-
-
-## Limitations
-
-None
-
-## Known Issues
-
-None
-
-## How to obtain support
-
-Check out the documentation on https://cap.cloud.sap.  In case you find a bug, or you need additional support, please open an issue [here](https://github.com/SAP-samples/cloud-cap-samples/issues/new) in GitHub.
-
-## To-Do (upcoming changes)
-
-None
-
-## License
-
-Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under SAP Sample Code License Agreement, except as noted otherwise in the [LICENSE](/LICENSE) file.

bookshop/.vscode/launch.json

@@ -0,0 +1,25 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Attach to...",
+      "type": "node",
+      "request": "attach",
+      "processId": "${command:PickProcess}",
+      "skipFiles": ["<node_internals>/**"]
+    },
+    {
+      "name": "cds run",
+      "type": "node",
+      "request": "launch",
+      "runtimeExecutable": "npx",
+      "runtimeArgs": ["-n"],
+      "args": ["--", "cds", "run", "--with-mocks", "--in-memory?"],
+      "console": "integratedTerminal",
+      "skipFiles": ["<node_internals>/**"]
+    }
+  ]
+}

bookshop/app/vue/app.js

@@ -0,0 +1,89 @@
+/* global Vue axios */ //> from vue.html
+const $ = sel => document.querySelector(sel)
+const GET = (url) => axios.get('/browse'+url)
+const POST = (cmd,data) => axios.post('/browse'+cmd,data)
+
+const books = Vue.createApp ({
+
+    data() {
+      return {
+        list: [],
+        book: undefined,
+        order: { quantity:1, succeeded:'', failed:'' },
+        user: undefined
+      }
+    },
+
+    methods: {
+
+        search: ({target:{value:v}}) => books.fetch(v && '&$search='+v),
+
+        async fetch (etc='') {
+            const {data} = await GET(`/ListOfBooks?$expand=genre($select=name),currency($select=symbol)${etc}`)
+            books.list = data.value
+        },
+
+        async inspect (eve) {
+            const book = books.book = books.list [eve.currentTarget.rowIndex-1]
+            const res = await GET(`/Books/${book.ID}?$select=descr,stock,image`)
+            Object.assign (book, res.data)
+            books.order = { quantity:1 }
+            setTimeout (()=> $('form > input').focus(), 111)
+        },
+
+        async submitOrder () {
+            const {book,order} = books, quantity = parseInt (order.quantity) || 1 // REVISIT: Okra should be less strict
+            try {
+                const res = await POST(`/submitOrder`, { quantity, book: book.ID })
+                book.stock = res.data.stock
+                books.order = { quantity, succeeded: `Successfully ordered ${quantity} item(s).` }
+            } catch (e) {
+                books.order = { quantity, failed: e.response.data.error ? e.response.data.error.message : e.response.data }
+            }
+        },
+
+        async login() {
+            try {
+                const { data:user } = await axios.post('/user/login',{})
+                if (user.id !== 'anonymous') books.user = user
+            } catch (err) { books.user = { id: err.message } }
+        },
+
+        async getUserInfo() {
+            try {
+                const { data:user } = await axios.get('/user/me')
+                if (user.id !== 'anonymous') books.user = user
+            } catch (err) { books.user = { id: err.message } }
+        },
+    }
+}).mount('#app')
+
+books.getUserInfo()
+books.fetch() // initially fill list of books
+
+document.addEventListener('keydown', (event) => {
+    // hide user info on request
+    if (event.key === 'u')  books.user = undefined
+})
+
+axios.interceptors.request.use(csrfToken)
+function csrfToken (request) {
+    if (request.method === 'head' || request.method === 'get') return request
+    if ('csrfToken' in document) {
+        request.headers['x-csrf-token'] = document.csrfToken
+        return request
+    }
+    return fetchToken().then(token => {
+        document.csrfToken = token
+        request.headers['x-csrf-token'] = document.csrfToken
+        return request
+    }).catch(() => {
+        document.csrfToken = null // set mark to not try again
+        return request
+    })
+
+    function fetchToken() {
+        return axios.get('/', { headers: { 'x-csrf-token': 'fetch' } })
+        .then(res => res.headers['x-csrf-token'])
+    }
+}

bookshop/app/vue/index.html

@@ -0,0 +1,78 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <title> Capire Books </title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/primitive-ui/dist/css/main.css">
+    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.prod.js"></script>
+    <style>
+        .hovering tr:hover td { color:cyan; background: #123; cursor: pointer; }
+        .rating-stars { color:teal }
+        .succeeded { color:teal }
+        .failed { color:red }
+        .user {text-align: end; color: grey;}
+    </style>
+</head>
+
+<body class="small-container", style="margin-top: 70px;">
+<div id='app'>
+
+    <form class="user" @submit.prevent="login">
+        <div v-if="user">
+            <div v-if="user.tenant">Tenant: {{ user.tenant }}</div>
+            <div> User: {{ user.id }}</div>
+            <div>Locale: {{ user.locale }}</div>
+        </div>
+        <div v-else>
+            <input type="submit" value="Login" class="muted-button">
+            <!-- <a href="/user/login()">Login</a> -->
+        </div>
+    </form>
+
+    <h1> Capire Books </h1>
+
+    <input type="text" placeholder="Search..." @input="search">
+
+    <table id='books' class="hovering">
+        <thead>
+            <th> Book </th>
+            <th> Author </th>
+            <th> Genre </th>
+            <th> Rating </th>
+            <th> Price </th>
+        </thead>
+        <tr v-for="book in list" v-bind:id="book.ID" v-on:click="inspect">
+            <td>{{ book.title }}</td>
+            <td>{{ book.author }}</td>
+            <td>{{ book.genre.name }}</td>
+            <td class="rating-stars">
+                {{ ('★'.repeat(Math.round(book.rating))+'☆☆☆☆☆').slice(0,5) }} ({{ book.numberOfReviews }})
+            </td>
+            <td>{{ book.currency && book.currency.symbol }} {{ book.price }}</td>
+        </tr>
+    </table>
+
+    <div v-if="book">
+        <img v-bind:src="book.image" alt=""/>
+        <label style="text-align:right">
+            <span class="succeeded"> {{ order.succeeded }} </span>
+            <span class="failed"> {{ order.failed }} </span>
+            &nbsp;&nbsp; {{ book.stock }} in stock
+        </label>
+        <form @submit.prevent="submitOrder" style="float:right; display:flex; flex-direction:row-reverse">
+            <input type="number" v-model="order.quantity" v-bind:class="{ failed: order.failed }" style="width:5em">
+            <input type="submit" value="Order:" class="muted-button">
+        </form>
+        <h4> {{ book.title }} </h4>
+        <p> {{ book.descr }} </p>
+    </div>
+    <div v-else>
+        ( click on a row to see details... )
+    </div>
+
+</div>
+</body>
+
+<script src="app.js"></script>
+</html>

bookshop/db/data/sap.capire.bookshop-Authors.csv

@@ -0,0 +1,5 @@
+ID,name,dateOfBirth,placeOfBirth,dateOfDeath,placeOfDeath
+101,Emily Brontë,1818-07-30,"Thornton, Yorkshire",1848-12-19,"Haworth, Yorkshire"
+107,Charlotte Brontë,1818-04-21,"Thornton, Yorkshire",1855-03-31,"Haworth, Yorkshire"
+150,Edgar Allen Poe,1809-01-19,"Boston, Massachusetts",1849-10-07,"Baltimore, Maryland"
+170,Richard Carpenter,1929-08-14,"King’s Lynn, Norfolk",2012-02-26,"Hertfordshire, England"

bookshop/db/data/sap.capire.bookshop-Books.csv

@@ -1,6 +1,6 @@
-ID;title;descr;author_ID;stock;price;currency_code
-201;Wuthering Heights;"Wuthering Heights, Emily Brontë's only novel, was published in 1847 under the pseudonym ""Ellis Bell"". It was written between October 1845 and June 1846. Wuthering Heights and Anne Brontë's Agnes Grey were accepted by publisher Thomas Newby before the success of their sister Charlotte's novel Jane Eyre. After Emily's death, Charlotte edited the manuscript of Wuthering Heights and arranged for the edited version to be published as a posthumous second edition in 1850.";101;12;11.11;GBP
-207;Jane Eyre;"Jane Eyre /ɛər/ (originally published as Jane Eyre: An Autobiography) is a novel by English writer Charlotte Brontë, published under the pen name ""Currer Bell"", on 16 October 1847, by Smith, Elder & Co. of London. The first American edition was published the following year by Harper & Brothers of New York. Primarily a bildungsroman, Jane Eyre follows the experiences of its eponymous heroine, including her growth to adulthood and her love for Mr. Rochester, the brooding master of Thornfield Hall. The novel revolutionised prose fiction in that the focus on Jane's moral and spiritual development is told through an intimate, first-person narrative, where actions and events are coloured by a psychological intensity. The book contains elements of social criticism, with a strong sense of Christian morality at its core and is considered by many to be ahead of its time because of Jane's individualistic character and how the novel approaches the topics of class, sexuality, religion and feminism.";107;11;12.34;GBP
-251;The Raven;"""The Raven"" is a narrative poem by American writer Edgar Allan Poe. First published in January 1845, the poem is often noted for its musicality, stylized language, and supernatural atmosphere. It tells of a talking raven's mysterious visit to a distraught lover, tracing the man's slow fall into madness. The lover, often identified as being a student, is lamenting the loss of his love, Lenore. Sitting on a bust of Pallas, the raven seems to further distress the protagonist with its constant repetition of the word ""Nevermore"". The poem makes use of folk, mythological, religious, and classical references.";150;333;13.13;USD
-252;Eleonora;"""Eleonora"" is a short story by Edgar Allan Poe, first published in 1842 in Philadelphia in the literary annual The Gift. It is often regarded as somewhat autobiographical and has a relatively ""happy"" ending.";150;555;14;USD
-271;Catweazle;Catweazle is a British fantasy television series, starring Geoffrey Bayldon in the title role, and created by Richard Carpenter for London Weekend Television. The first series, produced and directed by Quentin Lawrence, was screened in the UK on ITV in 1970. The second series, directed by David Reid and David Lane, was shown in 1971. Each series had thirteen episodes, most but not all written by Carpenter, who also published two books based on the scripts.;170;22;15;EUR
+ID,title,descr,author_ID,stock,price,currency_code,genre_ID
+201,Wuthering Heights,"Wuthering Heights, Emily Brontë's only novel, was published in 1847 under the pseudonym ""Ellis Bell"". It was written between October 1845 and June 1846. Wuthering Heights and Anne Brontë's Agnes Grey were accepted by publisher Thomas Newby before the success of their sister Charlotte's novel Jane Eyre. After Emily's death, Charlotte edited the manuscript of Wuthering Heights and arranged for the edited version to be published as a posthumous second edition in 1850.",101,12,11.11,GBP,11aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
+207,Jane Eyre,"Jane Eyre /ɛər/ (originally published as Jane Eyre: An Autobiography) is a novel by English writer Charlotte Brontë, published under the pen name ""Currer Bell"", on 16 October 1847, by Smith, Elder & Co. of London. The first American edition was published the following year by Harper & Brothers of New York. Primarily a bildungsroman, Jane Eyre follows the experiences of its eponymous heroine, including her growth to adulthood and her love for Mr. Rochester, the brooding master of Thornfield Hall. The novel revolutionised prose fiction in that the focus on Jane's moral and spiritual development is told through an intimate, first-person narrative, where actions and events are coloured by a psychological intensity. The book contains elements of social criticism, with a strong sense of Christian morality at its core and is considered by many to be ahead of its time because of Jane's individualistic character and how the novel approaches the topics of class, sexuality, religion and feminism.",107,11,12.34,GBP,11aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
+251,The Raven,"""The Raven"" is a narrative poem by American writer Edgar Allan Poe. First published in January 1845, the poem is often noted for its musicality, stylized language, and supernatural atmosphere. It tells of a talking raven's mysterious visit to a distraught lover, tracing the man's slow fall into madness. The lover, often identified as being a student, is lamenting the loss of his love, Lenore. Sitting on a bust of Pallas, the raven seems to further distress the protagonist with its constant repetition of the word ""Nevermore"". The poem makes use of folk, mythological, religious, and classical references.",150,333,13.13,USD,16aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
+252,Eleonora,"""Eleonora"" is a short story by Edgar Allan Poe, first published in 1842 in Philadelphia in the literary annual The Gift. It is often regarded as somewhat autobiographical and has a relatively ""happy"" ending.",150,555,14,USD,15aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
+271,Catweazle,"Catweazle is a British fantasy television series, starring Geoffrey Bayldon in the title role, and created by Richard Carpenter for London Weekend Television. The first series, produced and directed by Quentin Lawrence, was screened in the UK on ITV in 1970. The second series, directed by David Reid and David Lane, was shown in 1971. Each series had thirteen episodes, most but not all written by Carpenter, who also published two books based on the scripts.",170,22,150,JPY,13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa

bookshop/db/data/sap.capire.bookshop-Books.texts.csv

@@ -0,0 +1,5 @@
+ID_texts,ID,locale,title,descr
+d2a65a27-9f2a-480f-bc38-84ee8ec5c13e,201,de,Sturmhöhe,"Sturmhöhe (Originaltitel: Wuthering Heights) ist der einzige Roman der englischen Schriftstellerin Emily Brontë (1818–1848). Der 1847 unter dem Pseudonym Ellis Bell veröffentlichte Roman wurde vom viktorianischen Publikum weitgehend abgelehnt, heute gilt er als ein Klassiker der britischen Romanliteratur des 19. Jahrhunderts."
+8c42c706-a979-41cf-9ffe-91e6cf1383a0,201,fr,Les Hauts de Hurlevent,"Les Hauts de Hurlevent (titre original : Wuthering Heights), parfois orthographié Les Hauts de Hurle-Vent, est l'unique roman d'Emily Brontë, publié pour la première fois en 1847 sous le pseudonyme d’Ellis Bell. Loin d'être un récit moralisateur, Emily Brontë achève néanmoins le roman dans une atmosphère sereine, suggérant le triomphe de la paix et du Bien sur la vengeance et le Mal."
+9e1c4c81-dc90-4600-85b1-e9dd4bf12ce0,207,de,Jane Eyre,"Jane Eyre. Eine Autobiographie (Originaltitel: Jane Eyre. An Autobiography), erstmals erschienen im Jahr 1847 unter dem Pseudonym Currer Bell, ist der erste veröffentlichte Roman der britischen Autorin Charlotte Brontë und ein Klassiker der viktorianischen Romanliteratur des 19. Jahrhunderts. Der Roman erzählt in Form einer Ich-Erzählung die Lebensgeschichte von Jane Eyre (ausgesprochen /ˌdʒeɪn ˈɛə/), die nach einer schweren Kindheit eine Stelle als Gouvernante annimmt und sich in ihren Arbeitgeber verliebt, jedoch immer wieder um ihre Freiheit und Selbstbestimmung kämpfen muss. Als klein, dünn, blass, stets schlicht dunkel gekleidet und mit strengem Mittelscheitel beschrieben, gilt die Heldin des Romans Jane Eyre nicht zuletzt aufgrund der Kino- und Fernsehversionen der melodramatischen Romanvorlage als die bekannteste englische Gouvernante der Literaturgeschichte"
+9be0524b-4cb9-4fc1-9dc2-d65b1c13cf53,252,de,Eleonora,"“Eleonora” ist eine Erzählung von Edgar Allan Poe. Sie wurde 1841 erstveröffentlicht. In ihr geht es um das Paradox der Treue in der Treulosigkeit."

bookshop/db/data/sap.capire.bookshop-Genres.csv

@@ -0,0 +1,43 @@
+ID,parent_ID,name
+10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,,Fiction
+11aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Drama
+12aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Poetry
+13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Fantasy
+131aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Fairy Tale
+132aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Epic Fantasy
+133aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,High Fantasy
+134aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,13aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Gothic
+14aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Science Fiction
+141aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,14aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Utopian and Dystopian
+1411aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,141aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Utopian
+1412aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,141aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Dystopian
+14121aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,1412aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Cyberpunk
+141211aa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,14121aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Steampunk
+142aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,14aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Space Opera
+143aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,14aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Time Travel
+144aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,14aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Tech Noir
+15aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Romance
+151aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,15aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Contemporary Romance
+152aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,15aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Historical Romance
+153aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,15aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Romantic Suspense
+16aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Mystery
+161aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,16aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Crime
+1611aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,161aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Thriller
+16111aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,1611aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Police Procedural
+16112aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,1611aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Legal Thriller
+16113aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,1611aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Medical Thriller
+16114aaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,1611aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Spy Thriller
+1612aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,161aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Detective
+1613aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,161aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Suspense
+162aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,16aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Noir
+1621aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,162aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Nordic Noir
+1622aaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,162aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Tart Noir
+163aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,16aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Cozy Mystery
+17aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Adventure
+18aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Short Story
+19aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,10aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Graphic Novel
+20aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,,Non-Fiction
+21aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,20aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Biography
+22aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,21aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Autobiography
+23aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,20aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Essay
+24aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,20aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa,Speech

bookshop/db/init.js

@@ -0,0 +1,21 @@
+const cds = require('@sap/cds')
+
+/**
+ * In order to keep basic bookshop sample as simple as possible, we don't add
+ * reuse dependencies. This db/init.js ensures we still have a minimum set of
+ * currencies, if not obtained through @capire/common.
+ */
+
+// NOTE: We use cds.on('served') to delay the UPSERTs after the db init
+// to run after all INSERTs from .csv files happened.
+module.exports = cds.on('served', ()=>
+  UPSERT.into ('sap.common.Currencies') .columns (
+    [ 'code', 'symbol', 'name' ]
+  ) .rows (
+    [ 'EUR', '€', 'Euro' ],
+    [ 'USD', '$', 'US Dollar' ],
+    [ 'GBP', '£', 'British Pound' ],
+    [ 'ILS', '₪', 'Shekel' ],
+    [ 'JPY', '¥', 'Yen' ],
+  )
+)

bookshop/db/schema.cds

@@ -0,0 +1,38 @@
+using { Currency, managed, sap } from '@sap/cds/common';
+namespace sap.capire.bookshop;
+
+entity Books : managed {
+  key ID   : Integer;
+  title    : localized String(111)  @mandatory;
+  descr    : localized String(1111);
+  author   : Association to Authors @mandatory;
+  genre    : Association to Genres;
+  stock    : Integer;
+  price    : Price;
+  currency : Currency;
+  image    : LargeBinary @Core.MediaType: 'image/png';
+}
+
+entity Authors : managed {
+  key ID       : Integer;
+  name         : String(111) @mandatory;
+  dateOfBirth  : Date;
+  dateOfDeath  : Date;
+  placeOfBirth : String;
+  placeOfDeath : String;
+  books        : Association to many Books on books.author = $self;
+}
+
+/** Hierarchically organized Code List for Genres */
+entity Genres : sap.common.CodeList {
+  key ID   : UUID;
+  parent   : Association to Genres;
+  children : Composition of many Genres on children.parent = $self;
+}
+
+type Price : Decimal(9,2);
+
+
+// ------------------------------------------------------------------
+// temporary workaround for reuse in fiori sample and hana deployment
+annotate Books with @fiori.draft.enabled;

bookshop/index.cds

@@ -0,0 +1,5 @@
+namespace sap.capire.bookshop; //> important for reflection
+using from './db/schema';
+using from './srv/cat-service';
+using from './srv/admin-service';
+using from './srv/user-service';

bookshop/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@capire/bookshop",
+  "version": "1.0.0",
+  "description": "A simple self-contained bookshop service.",
+  "files": [
+    "app",
+    "srv",
+    "db",
+    "index.cds"
+  ],
+  "devDependencies": {
+    "@cap-js/sqlite": ">=1"
+  },
+  "dependencies": {
+    "@sap/cds": ">=7",
+    "express": "^4.17.1"
+  },
+  "scripts": {
+    "genres": "cds serve test/genres.cds",
+    "start": "cds-serve",
+    "watch": "cds watch"
+  }
+}

bookshop/readme.md

@@ -0,0 +1,31 @@
+# Bookshop Getting Started Sample
+
+This stand-alone sample introduces the essential tasks in the development of CAP-based services as also covered in the [Getting Started guide in capire](https://cap.cloud.sap/docs/get-started/in-a-nutshell).
+
+## Hypothetical Use Cases
+
+1. Build a service that allows to browse _Books_ and _Authors_.
+2. Books have assigned _Genres_, which are organized hierarchically.
+3. All users may browse books without login.
+4. All entries are maintained by Administrators.
+5. End users may order books (the actual order mgmt being out of scope).
+
+## Running the Sample
+
+```sh
+npm run watch
+```
+
+## Content & Best Practices
+
+| Links to capire                                                                                           | Sample files / folders               |
+| --------------------------------------------------------------------------------------------------------- | ------------------------------------ |
+| [Project Setup & Layouts](https://cap.cloud.sap/docs/get-started/jumpstart#project-structure)             | [`./`](./)                           |
+| [Domain Modeling with CDS](https://cap.cloud.sap/docs/guides/domain-modeling)                               | [`./db/schema.cds`](./db/schema.cds) |
+| [Defining Services](https://cap.cloud.sap/docs/guides/providing-services#modeling-services)               | [`./srv/*.cds`](./srv)               |
+| [Single-purposed Services](https://cap.cloud.sap/docs/guides/providing-services#single-purposed-services) | [`./srv/*.cds`](./srv)               |
+| [Providing & Consuming Providers](https://cap.cloud.sap/docs/guides/providing-services)                   | http://localhost:4004                |
+| [Using Databases](https://cap.cloud.sap/docs/guides/databases)                                            | [`./db/data/*.csv`](./db/data)       |
+| [Adding Custom Logic](https://cap.cloud.sap/docs/guides/providing-services#adding-custom-logic)           | [`./srv/*.js`](./srv)                |
+| Adding Tests                                                                                              | [`./test`](./test)                   |
+| [Sharing for Reuse](https://cap.cloud.sap/docs/guides/extensibility/composition)                          | [`./index.cds`](./index.cds)         |

bookshop/srv/access-control.cds

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

bookshop/srv/admin-service.cds

@@ -0,0 +1,6 @@
+using { sap.capire.bookshop as my } from '../db/schema';
+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;
+}

bookshop/srv/admin-service.js

@@ -0,0 +1,14 @@
+const cds = require('@sap/cds')
+
+module.exports = class AdminService extends cds.ApplicationService { init(){
+  this.before (['NEW','CREATE'],'Authors', genid)
+  this.before (['NEW','CREATE'],'Books', genid)
+  return super.init()
+}}
+
+/** Generate primary keys for target entity in request */
+async function genid (req) {
+  if (req.data.ID) return
+  const {id} = await SELECT.one.from(req.target).columns('max(ID) as id')
+  req.data.ID = id + 4 // Note: that is not safe! ok for this sample only.
+}

bookshop/srv/cat-service.cds

@@ -0,0 +1,16 @@
+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 };
+
+  /** For display in details pages */
+  @readonly entity Books as projection on my.Books { *,
+    author.name as author
+  } excluding { createdBy, modifiedBy };
+
+  @requires: 'authenticated-user'
+  action submitOrder ( book: Books:ID, quantity: Integer ) returns { stock: Integer };
+  event OrderedBook : { book: Books:ID; quantity: Integer; buyer: String };
+}

bookshop/srv/cat-service.js

@@ -0,0 +1,38 @@
+const cds = require('@sap/cds')
+
+class CatalogService extends cds.ApplicationService { init() {
+
+  const { Books } = cds.entities('sap.capire.bookshop')
+  const { ListOfBooks } = this.entities
+
+  // Add some discount for overstocked books
+  this.after('each', ListOfBooks, book => {
+    if (book.stock > 111) book.title += ` -- 11% discount!`
+  })
+
+  // Reduce stock of ordered books if available stock suffices
+  this.on('submitOrder', async req => {
+    let { book:id, quantity } = req.data
+    let book = await SELECT.from (Books, id, b => b.stock)
+
+    // Validate input data
+    if (!book) return req.error (404, `Book #${id} doesn't exist`)
+    if (quantity < 1) return req.error (400, `quantity has to be 1 or more`)
+    if (quantity > book.stock) return req.error (409, `${quantity} exceeds stock for book #${id}`)
+
+    // Reduce stock in database and return updated stock value
+    await UPDATE (Books, id) .with ({ stock: book.stock -= quantity })
+    return book
+  })
+
+  // Emit event when an order has been submitted
+  this.after('submitOrder', async (_,req) => {
+    let { book, quantity } = req.data
+    await this.emit('OrderedBook', { book, quantity, buyer: req.user.id })
+  })
+
+  // Delegate requests to the underlying generic service
+  return super.init()
+}}
+
+module.exports = CatalogService

bookshop/srv/user-service.cds

@@ -0,0 +1,15 @@
+/**
+ * Exposes user information
+ */
+service UserService @(path: '/user') {
+  /**
+   * The current user
+   */
+  @odata.singleton entity me @cds.persistence.skip {
+    id     : String; // user id
+    locale : String;
+    tenant : String;
+  }
+
+  action login() returns me;
+}

bookshop/srv/user-service.js

@@ -0,0 +1,9 @@
+const cds = require('@sap/cds')
+module.exports = class UserService extends cds.Service { init(){
+  this.on('READ', 'me', ({ tenant, user, locale }) => ({ id: user.id, locale, tenant }))
+  this.on('login', (req) => {
+    if (req.user._is_anonymous)
+      req._.res.set('WWW-Authenticate','Basic realm="Users"').sendStatus(401)
+    else return this.read('me')
+  })
+}}

bookshop/test/cds.ql.test.js

@@ -0,0 +1,844 @@
+const cds = require('@sap/cds')
+const { expect } = cds.test
+
+describe('cds.ql → cqn', () => {
+
+  const Foo = { name: 'Foo' }
+  const Books = { name: 'capire.bookshop.Books' }
+
+  const STAR = '*'
+  const skip = {to:{eql:()=>skip}}
+  const srv = new cds.Service
+  let cqn
+
+  expect.plain = (cqn) => !cqn.SELECT.one && !cqn.SELECT.distinct ? expect(cqn) : skip
+  expect.one = (cqn) => !cqn.SELECT.distinct ? expect(cqn) : skip
+
+  describe.each(['SELECT', 'SELECT one', 'SELECT distinct'])(`%s...`, (each) => {
+
+    let SELECT; beforeEach(()=> SELECT = (
+      each === 'SELECT distinct' ? cds.ql.SELECT.distinct :
+      each === 'SELECT one' ? cds.ql.SELECT.one :
+      cds.ql.SELECT
+    ))
+
+    test(`from Foo`, () => {
+      expect(cqn = SELECT `from Foo`)
+      .to.eql(SELECT.from `Foo`)
+      .to.eql(SELECT.from('Foo'))
+      .to.eql(SELECT.from(Foo))
+      .to.eql(SELECT`Foo`)
+      .to.eql(SELECT('Foo'))
+      .to.eql(SELECT(Foo))
+      expect.plain(cqn)
+      .to.eql(CQL`SELECT from Foo`)
+      .to.eql(srv.read `Foo`)
+      .to.eql(srv.read('Foo'))
+      .to.eql(srv.read(Foo))
+      .to.eql({
+        SELECT: { from: { ref: ['Foo'] } },
+      })
+    })
+
+    if (each === 'SELECT')
+    test('SELECT ( Foo )', () => {
+      expect({
+        SELECT: { from: { ref: ['Foo'] } },
+      })
+      .to.eql(CQL`SELECT from Foo`)
+      .to.eql(SELECT(Foo))
+    })
+
+    if (each === 'SELECT')
+    test('SELECT ( Foo ) .from ( Bar )', () => {
+
+      expect({
+        SELECT: { columns:[{ref:['Foo']}], from: { ref: ['Bar'] } },
+      })
+      .to.eql(CQL`SELECT Foo from Bar`)
+      .to.eql(SELECT `Foo` .from `Bar`)
+      .to.eql(SELECT `Foo` .from('Bar'))
+      .to.eql(SELECT('Foo').from('Bar'))
+      .to.eql(SELECT(['Foo']).from('Bar'))
+      .to.eql(SELECT(['Foo']).from('Bar'))
+      .to.eql(SELECT `Bar` .columns `Foo`)
+      .to.eql(SELECT `Bar` .columns ('Foo'))
+      .to.eql(SELECT `Bar` .columns (['Foo']))
+      .to.eql(SELECT.from `Bar` .columns ('Foo'))
+      .to.eql(SELECT.from `Bar` .columns (['Foo']))
+
+      expect({
+        SELECT: { columns:[
+          {ref:['Foo']},
+          {ref:['Boo']},
+        ], from: { ref: ['Bar'] } },
+      })
+      .to.eql(CQL`SELECT Foo, Boo from Bar`)
+      .to.eql(SELECT `Foo, Boo` .from `Bar`)
+      .to.eql(SELECT `Foo, Boo` .from('Bar'))
+      .to.eql(SELECT('Foo','Boo').from('Bar'))
+      .to.eql(SELECT(['Foo','Boo']).from('Bar'))
+      .to.eql(SELECT `Bar` .columns `Foo, Boo`)
+      .to.eql(SELECT `Bar` .columns `{ Foo, Boo }`)
+      .to.eql(SELECT `Bar` .columns ('{ Foo, Boo }'))
+      .to.eql(SELECT `Bar` .columns ('Foo','Boo'))
+      .to.eql(SELECT `Bar` .columns (['Foo','Boo']))
+      .to.eql(SELECT.from `Bar` .columns ('Foo','Boo'))
+      .to.eql(SELECT.from `Bar` .columns (['Foo','Boo']))
+
+      expect({
+        SELECT: { columns:[
+          {ref:['Foo']},
+          {ref:['Boo']},
+          {ref:['Moo']},
+        ], from: { ref: ['Bar'] } },
+      })
+      .to.eql(CQL`SELECT Foo, Boo, Moo from Bar`)
+      .to.eql(SELECT `Foo, Boo, Moo` .from `Bar`)
+      .to.eql(SELECT `Foo, Boo, Moo` .from('Bar'))
+      .to.eql(SELECT('Foo','Boo','Moo').from('Bar'))
+      .to.eql(SELECT(['Foo','Boo','Moo']).from('Bar'))
+      .to.eql(SELECT `Bar` .columns `Foo, Boo, Moo`)
+      .to.eql(SELECT `Bar` .columns ('Foo','Boo','Moo'))
+      .to.eql(SELECT `Bar` .columns (['Foo','Boo','Moo']))
+      .to.eql(SELECT.from `Bar` .columns ('Foo','Boo','Moo'))
+      .to.eql(SELECT.from `Bar` .columns (['Foo','Boo','Moo']))
+
+
+      expect({
+        SELECT: { one:true, columns:[{ref:['Foo']}], from: { ref: ['Bar'] } },
+      })
+      // .to.eql(CQL`SELECT one Foo from Bar`)
+      .to.eql(SELECT.one `Foo` .from `Bar`)
+      .to.eql(SELECT.one `Foo` .from('Bar'))
+      .to.eql(SELECT.one('Foo').from('Bar'))
+      .to.eql(SELECT.one(['Foo']).from('Bar'))
+      .to.eql(SELECT.one(['Foo']).from('Bar'))
+      .to.eql(SELECT.one('Bar',['Foo']))
+      .to.eql(SELECT.one `Bar` .columns `Foo`)
+      .to.eql(SELECT.one('Bar').columns('Foo'))
+      .to.eql(SELECT.one('Bar').columns(['Foo']))
+      .to.eql(SELECT.one.from('Bar',['Foo']))
+      .to.eql(SELECT.one.from('Bar').columns('Foo'))
+      .to.eql(SELECT.one.from('Bar').columns(['Foo']))
+
+      expect({
+        SELECT: { one:true, columns:[
+          {ref:['Foo']},
+          {ref:['Boo']},
+        ], from: { ref: ['Bar'] } },
+      })
+      // .to.eql(CQL`SELECT Foo, Boo from Bar`)
+      .to.eql(SELECT.one `Foo, Boo` .from `Bar`)
+      .to.eql(SELECT.one `Foo, Boo` .from('Bar'))
+      .to.eql(SELECT.one('Foo','Boo').from('Bar'))
+      .to.eql(SELECT.one(['Foo','Boo']).from('Bar'))
+      .to.eql(SELECT.one('Bar',['Foo','Boo']))
+      .to.eql(SELECT.one `Bar` .columns `Foo, Boo`)
+      .to.eql(SELECT.one('Bar').columns('Foo','Boo'))
+      .to.eql(SELECT.one('Bar').columns(['Foo','Boo']))
+      .to.eql(SELECT.one.from('Bar',['Foo','Boo']))
+      .to.eql(SELECT.one.from('Bar').columns('Foo','Boo'))
+      .to.eql(SELECT.one.from('Bar').columns(['Foo','Boo']))
+
+      expect({
+        SELECT: { one:true, columns:[
+          {ref:['Foo']},
+          {ref:['Boo']},
+          {ref:['Moo']},
+        ], from: { ref: ['Bar'] } },
+      })
+      // .to.eql(CQL`SELECT Foo, Boo, Moo from Bar`)
+      .to.eql(SELECT.one `Foo, Boo, Moo` .from `Bar`)
+      .to.eql(SELECT.one `Foo, Boo, Moo` .from('Bar'))
+      .to.eql(SELECT.one('Foo','Boo','Moo').from('Bar'))
+      .to.eql(SELECT.one(['Foo','Boo','Moo']).from('Bar'))
+      .to.eql(SELECT.one('Bar',['Foo','Boo','Moo']))
+      .to.eql(SELECT.one `Bar` .columns `Foo, Boo, Moo`)
+      .to.eql(SELECT.one('Bar').columns('Foo','Boo','Moo'))
+      .to.eql(SELECT.one('Bar').columns(['Foo','Boo','Moo']))
+      .to.eql(SELECT.one.from('Bar',['Foo','Boo','Moo']))
+      .to.eql(SELECT.one.from('Bar').columns('Foo','Boo','Moo'))
+      .to.eql(SELECT.one.from('Bar').columns(['Foo','Boo','Moo']))
+
+    })
+
+    if (each === 'SELECT')
+    test('from ( Foo )', () => {
+      expect({
+        SELECT: { from: {ref: [{ id:'Foo', where: [{val:11}] }] }}
+      })
+      .to.eql(srv.read`Foo[${11}]`)
+      .to.eql(SELECT`Foo[${11}]`)
+
+      expect((cqn = SELECT`from Foo[ID=11]`))
+      .to.eql(SELECT`from Foo[ID=${11}]`)
+      .to.eql(SELECT.from `Foo[ID=11]`)
+      .to.eql(SELECT.from `Foo[ID=${11}]`)
+      .to.eql(SELECT`Foo[ID=11]`)
+      expect.plain(cqn)
+      .to.eql(CQL`SELECT from Foo[ID=11]`)
+      .to.eql(srv.read`Foo[ID=11]`)
+      .to.eql({
+        SELECT: { from: {
+          ref: [{ id: 'Foo', where: [{ ref: ['ID'] }, '=', { val: 11 }] }],
+        }},
+      })
+
+      expect.plain (cqn)
+      .to.eql(SELECT`Foo[ID=${11}]`)
+      .to.eql(srv.read`Foo[ID=${11}]`)
+
+      // Following implicitly resolve to SELECT.one
+      expect(cqn = SELECT.from(Foo,11))
+      .to.eql(SELECT.from(Foo,{ID:11}))
+      .to.eql(SELECT.from(Foo).byKey(11))
+      .to.eql(SELECT.from(Foo).byKey({ID:11}))
+      if (cds.version >= '5.6.0') {
+        expect.one(cqn)
+        .to.eql({
+          SELECT: {
+            one: true,
+            from: { ref: [{ id: 'Foo', where: [{ ref: ['ID'] }, '=', { val: 11 }] }] },
+          },
+        })
+      } else {
+        expect.one(cqn)
+        .to.eql({
+          SELECT: {
+            one: true,
+            from: { ref: ['Foo'] },
+            where: [{ ref: ['ID'] }, '=', { val: 11 }],
+          },
+        })
+      }
+
+    })
+
+    test('from Foo {...}', () => {
+
+      expect(cqn = SELECT `*,a,b as c` .from `Foo`)
+      .to.eql(SELECT `*,a,b as c`. from(Foo))
+      .to.eql(SELECT('*','a',{b:'c'}).from`Foo`)
+      .to.eql(SELECT('*','a',{b:'c'}).from(Foo))
+      .to.eql(SELECT(['*','a',{b:'c'}]).from(Foo))
+      .to.eql(SELECT.columns('*','a',{b:'c'}).from(Foo))
+      .to.eql(SELECT.columns(['*','a',{b:'c'}]).from(Foo))
+      .to.eql(SELECT.columns((foo) => { foo`.*`, foo.a, foo.b`as c` }).from(Foo))
+      .to.eql(SELECT.columns((foo) => { foo('*'), foo.a, foo.b.as('c') }).from(Foo))
+      .to.eql(SELECT.from(Foo).columns('*','a',{b:'c'}))
+      .to.eql(SELECT.from(Foo).columns(['*','a',{b:'c'}]))
+      .to.eql(SELECT.from(Foo).columns((foo) => { foo`.*`, foo.a, foo.b`as c` }))
+      .to.eql(SELECT.from(Foo).columns((foo) => { foo('*'), foo.a, foo.b.as('c') }))
+      .to.eql(SELECT.from(Foo,['*','a',{b:'c'}]))
+      .to.eql(SELECT.from(Foo, (foo) => { foo`.*`, foo.a, foo.b`as c` }))
+      .to.eql(SELECT.from(Foo, (foo) => { foo('*'), foo.a, foo.b.as('c') }))
+
+      expect.plain(cqn)
+      .to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          columns: [ STAR, { ref: ['a'] }, { ref: ['b'], as: 'c' }],
+        },
+      })
+
+      expect.plain(cqn)
+      .to.eql(CQL`SELECT *,a,b as c from Foo`)
+      .to.eql(CQL`SELECT from Foo {*,a,b as c}`)
+
+      // Test combination with key as second argument to .from
+      expect(cqn = SELECT.from(Foo, 11, ['a']))
+      .to.eql(SELECT.from(Foo, 11, foo => foo.a))
+
+      if (cds.version >= '5.6.0') {
+        expect.one(cqn)
+        .to.eql({
+          SELECT: {
+            one: true,
+            from: { ref: [{ id: 'Foo', where: [{ ref: ['ID'] }, '=', { val: 11 }]}] },
+            columns: [{ ref: ['a'] }]
+          },
+        })
+      } else {
+        expect.one(cqn)
+        .to.eql({
+          SELECT: {
+            one: true,
+            from: { ref: ['Foo'] },
+            columns: [{ ref: ['a'] }],
+            where: [{ ref: ['ID'] }, '=', { val: 11 }],
+          },
+        })
+      }
+
+    })
+
+    test('with nested expands', () => {
+      // SELECT from Foo { *, x, bar.*, car{*}, boo { *, moo.zoo } }
+      expect(cqn =
+        SELECT.from (Foo, foo => {
+          foo`*`, foo.x, foo.car`*`, foo.boo (b => {
+            b`*`, b.moo.zoo(
+              x => x.y.z
+            )
+          })
+        })
+      ).to.eql(
+        SELECT.from (Foo, foo => {
+          foo('*'), foo.x, foo.car('*'), foo.boo (b => {
+            b('*'), b.moo.zoo(
+              x => x.y.z
+            )
+          })
+        })
+      )
+
+      expect.plain(cqn)
+      .to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          columns: [
+            STAR,
+            { ref: ['x'] },
+            { ref: ['car'], expand: ['*'] },
+            {
+              ref: ['boo'],
+              expand: [ '*', { ref: ['moo', 'zoo'], expand: [{ ref: ['y', 'z'] }] }],
+            },
+          ],
+        },
+      })
+    })
+
+
+    test('with nested inlines', () => {
+      // SELECT from Foo { *, x, bar.*, car{*}, boo { *, moo.zoo } }
+      expect.plain(
+        SELECT.from (Foo, foo => {
+          foo.bar `*`,
+          foo.bar `.*`, //> leading dot indicates inline
+          foo.boo(_ => _.moo.zoo), //> underscore arg name indicates inline
+          foo.boo(x => x.moo.zoo)
+        })
+      ).to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          columns: [
+            { ref: ['bar'], expand: ['*'] },
+            { ref: ['bar'], inline: ['*'] },
+            { ref: ['boo'], inline: [{ ref: ['moo', 'zoo'] }] },
+            { ref: ['boo'], expand: [{ ref: ['moo', 'zoo'] }] },
+          ],
+        },
+      })
+    })
+
+  })
+
+  describe ('SELECT where...', ()=>{
+
+    it('should correctly handle { ... and:{...} }', () => {
+      expect(SELECT.from(Foo).where({ x: 1, and: { y: 2, or: { z: 3 } } })).to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          where: [
+            { ref: ['x'] },
+            '=',
+            { val: 1 },
+            'and',
+            // '(',
+            {xpr:[
+              { ref: ['y'] },
+              '=',
+              { val: 2 },
+              'or',
+              { ref: ['z'] },
+              '=',
+              { val: 3 },
+            ]},
+            // ')',
+          ],
+        },
+      })
+    })
+
+    test ("where x='*'", ()=>{
+      expect (SELECT.from(Foo).where({x:'*'}))
+      .to.eql(SELECT.from(Foo).where("x='*'"))
+      .to.eql(SELECT.from(Foo).where("x=",'*'))
+      .to.eql(SELECT.from(Foo).where`x=${'*'}`)
+      .to.eql(
+        CQL`SELECT from Foo where x='*'`
+      )
+      expect (SELECT.from(Foo).where({x:['*',1]}))
+      .to.eql(SELECT.from(Foo).where("x in ('*',1)"))
+      .to.eql(SELECT.from(Foo).where("x in",['*',1]))
+      .to.eql(SELECT.from(Foo).where`x in ${['*',1]}`)
+      .to.eql(
+        CQL`SELECT from Foo where x in ('*',1)`
+      )
+    })
+
+    test ('where, and, or', ()=>{
+      expect (
+        SELECT.from(Foo).where({x:1,and:{y:2}})
+      ).to.eql (
+        CQL`SELECT from Foo where x=1 and y=2`
+      ) .to.eql ({ SELECT: {
+        from: {ref:['Foo']},
+        where: [
+          {ref:['x']}, '=', {val:1},
+          'and',
+          {ref:['y']}, '=', {val:2}
+        ]
+      }})
+
+      const ql_with_groups_fix = !!cds.ql.Query.prototype.flat
+      if (ql_with_groups_fix) {
+
+        expect (
+          SELECT.from(Foo).where({x:1}).or({y:2}).and({z:3})
+        ).to.eql ({ SELECT: {
+          from: {ref:['Foo']},
+          where: [
+            {ref:['x']}, '=', {val:1},
+            'or',
+            {ref:['y']}, '=', {val:2},
+            'and',
+            {ref:['z']}, '=', {val:3},
+          ]
+        }})
+
+        expect (
+          SELECT.from(Foo).where({x:1,or:{y:2}}).and({z:3})
+        ).to.eql ({ SELECT: {
+          from: {ref:['Foo']},
+          where: [
+            {xpr:[
+              {ref:['x']}, '=', {val:1},
+              'or',
+              {ref:['y']}, '=', {val:2},
+            ]},
+            'and',
+            {ref:['z']}, '=', {val:3},
+          ]
+        }})
+
+        expect (
+          SELECT.from(Foo).where({a:1}).or({x:1,or:{y:2}}).and({z:3})
+        ).to.eql ({ SELECT: {
+          from: {ref:['Foo']},
+          where: [
+            {ref:['a']}, '=', {val:1},
+            'or',
+            {xpr:[
+              {ref:['x']}, '=', {val:1},
+              'or',
+              {ref:['y']}, '=', {val:2},
+            ]},
+            'and',
+            {ref:['z']}, '=', {val:3},
+          ]
+        }})
+
+        expect (
+          { SELECT: SELECT.from(Foo).where({x:1,or:{y:2}}).SELECT }
+        ).to.eql ({ SELECT: {
+          from: {ref:['Foo']},
+          where: [
+            {ref:['x']}, '=', {val:1},
+            'or',
+            {ref:['y']}, '=', {val:2},
+          ]
+        }})
+
+      }
+
+
+      expect (
+        SELECT.from(Foo).where({x:1,and:{y:2}}).or({z:3})
+      ).to.eql (
+        CQL`SELECT from Foo where x=1 and y=2 or z=3`
+      )
+
+      expect (
+        SELECT.from(Foo).where({x:1}).and({y:2,or:{z:3}})
+      ).to.eql (
+        CQL`SELECT from Foo where x=1 and ( y=2 or z=3 )`
+      )
+
+      expect (
+        SELECT.from(Foo).where({1:1}).and({x:1,or:{x:2}}).and({y:2,or:{z:3}})
+      ).to.eql (
+        CQL`SELECT from Foo where 1=1 and ( x=1 or x=2 ) and ( y=2 or z=3 )`
+      )
+
+      expect (
+        SELECT.from(Foo).where({x:1,or:{x:2}}).and({y:2,or:{z:3}})
+      ).to.eql (
+        CQL`SELECT from Foo where ( x=1 or x=2 ) and ( y=2 or z=3 )`
+      )
+    })
+
+    test('where ({x:[undefined]})', () => {
+      expect (
+        SELECT.from(Foo).where({x:[undefined]})
+      ).to.eql ({ SELECT: {
+        from: {ref:['Foo']},
+        where: [
+          {ref:['x']},
+          'in',
+          { list: [ {val:undefined} ] }
+        ]
+      }})
+    })
+
+    test('where ( ... cql  |  {x:y} )', () => {
+      const args = [`foo`, "'bar'", 3]
+      const ID = 11
+
+      // using simple predicate objects
+      // (Note: this doesn't support paths in left-hand-sides, nor references in arrays)
+      expect(
+        SELECT.from(Foo).where({
+          ID,
+          args,
+          and: { x: { like: '%x%' }, or: { y: { '>=': 9 } } },
+        })
+      ).to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          where: [
+            { ref: ['ID'] },
+            '=',
+            { val: ID },
+            'and',
+            { ref: ['args'] },
+            'in',
+            { list: args.map(val => ({ val })) },
+            'and',
+            {
+              xpr: [
+                { ref: ['x'] },
+                'like',
+                { val: '%x%' },
+                'or',
+                { ref: ['y'] },
+                '>=',
+                { val: 9 },
+              ]
+            },
+          ],
+        }
+      })
+
+      // using CQL fragments -> uses cds.parse.expr
+      const is_v2 = !!cds.parse.expr('(1,2)').list
+      if (is_v2) expect((cqn = CQL`SELECT from Foo where ID=11 and x in ( foo, 'bar', 3)`)).to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          where: [
+            { ref: ['ID'] },
+            '=',
+            { val: ID },
+            'and',
+            { ref: ['x'] },
+            'in',
+            {list:[
+              { ref: ['foo'] },
+              { val: 'bar' },
+              { val: 3 },
+            ]}
+          ],
+        },
+      })
+      else expect((cqn = CQL`SELECT from Foo where ID=11 and x in ( foo, 'bar', 3)`)).to.eql({
+        SELECT: {
+          from: { ref: ['Foo'] },
+          where: [
+            { ref: ['ID'] },
+            '=',
+            { val: ID },
+            'and',
+            { ref: ['x'] },
+            'in',
+            '(',
+            { ref: ['foo'] },
+            ',',
+            { val: 'bar' },
+            ',',
+            { val: 3 },
+            ')',
+          ],
+        },
+      })
+
+      if (!is_v2) expect(
+        SELECT.from(Foo).where(`x=`, 1, `or y.z is null and (a>`, 2, `or b=`, 3, `)`)
+      ).to.eql(CQL`SELECT from Foo where x=1 or y.z is null and (a>2 or b=3)`)
+
+      expect(SELECT.from(Foo).where(`x between`, 1, `and`, 9)).to.eql(
+        CQL`SELECT from Foo where x between 1 and 9`
+      )
+    })
+
+    test('w/ sub selects', () => {
+      // in where causes
+      expect(SELECT.from(Foo).where({ x: SELECT('y').from('Bar') })).to.eql(
+        CQL`SELECT from Foo where x in (SELECT y from Bar)`
+      )
+
+      // using query api
+      expect(SELECT.from('Books').where(
+        `author.name in`, SELECT('name').from('Authors'))).to.eql(CQL`SELECT from Books where author.name in (SELECT name from Authors)`
+      )
+
+      // in classical semi joins
+      expect(
+        SELECT('x').from(Foo) .where ( `exists`,
+          SELECT(1).from('Bar') .where ({ y: { ref: ['x'] } })
+        ) // prettier-ignore
+      ).to.eql(CQL`SELECT x from Foo where exists (SELECT 1 from Bar where y=x)`)
+
+      // in select clauses
+      cqn = CQL`SELECT from Foo { x, (SELECT y from Bar) as y }`
+      cds.version >= '3.33.3' &&
+        expect(
+          SELECT.from(Foo, (foo) => {
+            foo.x, foo(SELECT.from('Bar', (b) => b.y)).as('y')
+          })
+        ).to.eql(cqn)
+      cds.version >= '3.33.3' &&
+        expect(
+          SELECT.from(Foo, ['x', Object.assign(SELECT('y').from('Bar'), { as: 'y' })])
+        ).to.eql(cqn)
+    })
+
+    test('w/ plain SQL', () => {
+      expect(SELECT.from(Books) + 'WHERE ...').to.eql(
+        'SELECT * FROM capire_bookshop_Books WHERE ...'
+      )
+    })
+
+    it('should consistently handle *', () => {
+      expect({
+        SELECT: { from: { ref: ['Foo'] }, columns: ['*'] },
+      })
+      .to.eql(CQL`SELECT * from Foo`)
+      .to.eql(CQL`SELECT from Foo{*}`)
+      .to.eql(SELECT('*').from(Foo))
+      .to.eql(SELECT.from(Foo,['*']))
+    })
+
+    it('should consistently handle lists', () => {
+      const ID = 11,  args = [{ref:['foo']}, "bar", 3]
+      const cqn = CQL`SELECT from Foo where ID=11 and x in (foo,'bar',3)`
+      expect(SELECT.from(Foo).where`ID=${ID} and x in ${args}`).to.eql(cqn)
+      expect(SELECT.from(Foo).where(`ID=`, ID, `and x in`, args)).to.eql(cqn)
+      expect(SELECT.from(Foo).where({ ID, x:args })).to.eql(cqn)
+    })
+
+    //
+  })
+
+  describe(`SELECT for update`, () => {
+    beforeAll(() => {
+      delete cds.env.sql.lock_acquire_timeout
+    })
+
+    it('no wait', () => {
+      const q = SELECT.from('Foo').forUpdate()
+      expect(q.SELECT.forUpdate).eqls({})
+    })
+
+    it('specific wait', () => {
+      const q = SELECT.from('Foo').forUpdate({ wait: 1 })
+      expect(q.SELECT.forUpdate).eqls({ wait: 1 })
+    })
+
+    it('default wait', () => {
+      cds.env.sql.lock_acquire_timeout = 2
+      const q = SELECT.from('Foo').forUpdate()
+      expect(q.SELECT.forUpdate).eqls({ wait: 2 })
+    })
+
+    it('override default', () => {
+      cds.env.sql.lock_acquire_timeout = 1
+      const q = SELECT.from('Foo').forUpdate({ wait:-1 })
+      expect(q.SELECT.forUpdate).eqls({})
+    })
+  })
+
+  describe(`INSERT...`, () => {
+    test('entries ({a,b}, ...)', () => {
+      const entries = [{ foo: 1 }, { boo: 2 }]
+      expect(INSERT(...entries).into(Foo))
+        .to.eql(INSERT(entries).into(Foo))
+        .to.eql(INSERT.into(Foo).entries(...entries))
+        .to.eql(INSERT.into(Foo).entries(entries))
+        .to.eql({
+          INSERT: { into: { ref: ['Foo'] }, entries },
+        })
+    })
+
+    test('rows ([1,2], ...)', () => {
+      expect(
+        INSERT.into(Foo)
+          .columns('a', 'b')
+          .rows([
+            [1, 2],
+            [3, 4],
+          ])
+      )
+        .to.eql(INSERT.into(Foo).columns('a', 'b').rows([1, 2], [3, 4]))
+        .to.eql({
+          INSERT: {
+            into: { ref: ['Foo'] },
+            columns: ['a', 'b'],
+            rows: [
+              [1, 2],
+              [3, 4],
+            ],
+          },
+        })
+    })
+
+    test('values (1,2)', () => {
+      expect(INSERT.into(Foo).columns('a', 'b').values([1, 2]))
+        .to.eql(INSERT.into(Foo).columns('a', 'b').values(1, 2))
+        .to.eql({
+          INSERT: { into:  { ref: ['Foo'] }, columns: ['a', 'b'], values: [1, 2] },
+        })
+    })
+
+    test('w/ plain SQL', () => {
+      expect(INSERT.into(Books) + 'VALUES ...').to.eql(
+        'INSERT INTO capire_bookshop_Books VALUES ...'
+      )
+    })
+  })
+
+  describe(`UPDATE...`, () => {
+    test('entity (..., <key>)', () => {
+      const cqnWhere = {
+          UPDATE: {
+            entity: { ref: ['capire.bookshop.Books'] },
+            where: [{ ref: ['ID'] }, '=', { val: 4711 }],
+          },
+        }
+      expect(UPDATE(Books).where({ ID: 4711 }))
+        .to.eql(UPDATE(Books).where(`ID=`, 4711))
+        .to.eql(cqnWhere)
+
+      const cqnKey = (cds.version >= '5.6.0') ?
+        {
+          UPDATE: {
+            entity: { ref: [{ id: 'capire.bookshop.Books', where: [{ ref: ['ID'] }, '=', { val: 4711 }] }] }
+          }
+        }
+        : cqnWhere
+      expect(UPDATE(Books, 4711))
+        .to.eql(UPDATE(Books, { ID: 4711 }))
+        .to.eql(UPDATE(Books).byKey(4711))
+        .to.eql(UPDATE(Books).byKey({ ID: 4711 }))
+        .to.eql(UPDATE.entity(Books, 4711))
+        .to.eql(UPDATE.entity(Books, { ID: 4711 }))
+        // etc...
+        .to.eql(cqnKey)
+    })
+
+    /*
+    UPDATE.with allows to pass in plain data payloads, e.g. as obtained from REST clients.
+    In addition, UPDATE.with supports specifying expressions, either in CQL fragements
+    notation or as simple expression objects.
+
+    UPDATE.data allows to pass in plain data payloads, e.g. as obtained from REST clients.
+    The passed in object can be modified subsequently, e.g. by adding or modifying values
+    before the query is finally executed.
+    */
+    test('with + data', () => {
+      if (cds.version < '4.1.0') return
+      const o = {}
+      const q = UPDATE(Foo).data(o).with(`bar-=`, 22)
+      o.foo = 11
+      expect(q)
+        .to.eql(UPDATE(Foo).with(`foo=`, 11, `bar-=`, 22))
+        .to.eql(UPDATE(Foo).with({ foo: 11, bar: { '-=': 22 } }))
+        .to.eql({
+          UPDATE: {
+            entity: { ref: ['Foo'] },
+            data: { foo: 11 },
+            with: {
+              bar: { xpr: [{ ref: ['bar'] }, '-', { val: 22 }] },
+            },
+          },
+        })
+
+      // some more
+      expect(UPDATE(Foo).with(`bar = coalesce(x,y), car = 'foo''s bar, car'`)).to.eql({
+        UPDATE: {
+          entity: { ref: ['Foo'] },
+          data: {
+            car: "foo's bar, car",
+          },
+          with: {
+            bar: { func: 'coalesce', args: [{ ref: ['x'] }, { ref: ['y'] }] },
+          },
+        },
+      })
+    })
+
+    test('w/ plain SQL', () => {
+      expect(UPDATE(Books) + 'SET ...').to.eql('UPDATE capire_bookshop_Books SET ...')
+    })
+  })
+
+  describe(`DELETE...`, () => {
+    test('from (..., <key>)', () => {
+      const cqnWhere = {
+          DELETE: {
+            from: { ref: ['capire.bookshop.Books'] },
+            where: [{ ref: ['ID'] }, '=', { val: 4711 }],
+          },
+        }
+      expect(DELETE.from(Books).where({ ID: 4711 }))
+        .to.eql(DELETE.from(Books).where(`ID=`, 4711))
+        .to.eql(cqnWhere)
+      const cqnKey = (cds.version >= '5.6.0') ?
+        {
+          DELETE: {
+          from: { ref: [{ id: 'capire.bookshop.Books', where: [{ ref: ['ID'] }, '=', { val: 4711 }]}] }
+          },
+        } : cqnWhere
+
+      expect(DELETE(Books, 4711))
+        .to.eql(DELETE(Books, { ID: 4711 }))
+        .to.eql(DELETE.from(Books, 4711))
+        .to.eql(DELETE.from(Books, { ID: 4711 }))
+        .to.eql(DELETE.from(Books).byKey(4711))
+        .to.eql(DELETE.from(Books).byKey({ ID: 4711 }))
+        .to.eql(cqnKey)
+    })
+
+    test('/w plain SQL', () => {
+      expect(DELETE.from(Books) + 'WHERE ...').to.eql(
+        'DELETE FROM capire_bookshop_Books WHERE ...'
+      )
+    })
+  })
+
+  describe(`cds.ql etc...`, () => {
+    it('should keep null and undefined', () => {
+      for (let each of [null, undefined]) {
+        expect(SELECT.from(Foo).where({ ID: each })).to.eql({
+          SELECT: {
+            from: { ref: ['Foo'] },
+            where: [{ ref: ['ID'] }, '=', { val: each }],
+          },
+        })
+      }
+    })
+  })
+
+  //
+})

bookshop/test/consuming-actions.test.js

@@ -0,0 +1,53 @@
+const cds = require("@sap/cds");
+const { expect } = cds.test(
+  "serve",
+  "CatalogService",
+  "--from",
+  "@capire/bookshop,@capire/common",
+  "--in-memory"
+);
+
+describe("Consuming actions locally", () => {
+  let cats, CatalogService, Books, stockBefore;
+  const BOOK_ID = 251;
+  const QUANTITY = 1;
+
+  before("bootstrap the database", async () => {
+    CatalogService = cds.services.CatalogService;
+    expect(CatalogService).not.to.be.undefined;
+
+    Books = CatalogService.entities.Books;
+    expect(Books).not.to.be.undefined;
+
+    cats = await cds.connect.to("CatalogService");
+  });
+
+  beforeEach(async () => {
+    // Read the stock before the action is called
+    stockBefore = (await cats.get(Books, BOOK_ID)).stock;
+  });
+
+  it("calls unbound actions - basic variant using srv.send", async () => {
+    // Use a managed transaction to create a continuation with an authenticated user
+    const res1 = await cats.tx({ user: "alice" }, () => {
+      return cats.send("submitOrder", { book: BOOK_ID, quantity: QUANTITY });
+    });
+    expect(res1.stock).to.eql(stockBefore - QUANTITY);
+  });
+
+  it("calls unbound actions - named args variant", async () => {
+    // Use a managed transaction to create a continuation with an authenticated user
+    const res2 = await cats.tx({ user: "alice" }, () => {
+      return cats.submitOrder({ book: BOOK_ID, quantity: QUANTITY });
+    });
+    expect(res2.stock).to.eql(stockBefore - QUANTITY);
+  });
+
+  it("calls unbound actions - positional args variant", async () => {
+    // Use a managed transaction to create a continuation with an authenticated user
+    const res3 = await cats.tx({ user: "alice" }, () => {
+      return cats.submitOrder(BOOK_ID, QUANTITY);
+    });
+    expect(res3.stock).to.eql(stockBefore - QUANTITY);
+  });
+});

bookshop/test/consuming-services.test.js

@@ -0,0 +1,82 @@
+const cds = require('@sap/cds')
+const { expect } = cds.test ('@capire/bookshop')
+cds.User.default = cds.User.privileged // disable auth checks
+
+describe('cap/samples - Consuming Services locally', () => {
+
+  it('bootstrapped the database successfully', ()=>{
+    const { AdminService } = cds.services
+    const { Authors } = AdminService.entities
+    expect(AdminService).to.exist
+    expect(Authors).to.exist
+  })
+
+  it('supports targets as strings or reflected defs', async () => {
+    const AdminService = await cds.connect.to('AdminService')
+    const { Authors } = AdminService.entities
+    expect (await SELECT.from(Authors))
+    // .to.eql(await SELECT.from('Authors'))
+    .to.eql(await AdminService.read(Authors))
+    .to.eql(await AdminService.read('Authors'))
+    .to.eql(await AdminService.run(SELECT.from(Authors)))
+    .to.eql(await AdminService.run(SELECT.from('Authors')))
+  })
+
+  it('allows reading from local services using cds.ql', async () => {
+    const AdminService = await cds.connect.to('AdminService')
+    const authors = await AdminService.read (`Authors`, a => {
+      a.name,
+        a.books((b) => {
+          b.title,
+            b.currency((c) => {
+              c.name, c.symbol
+            })
+        })
+    }).where(`name like`, 'E%')
+    expect(authors).to.containSubset([
+      {
+        name: 'Emily Brontë',
+        books: [
+          {
+            title: 'Wuthering Heights',
+            currency: { name: 'British Pound', symbol: '£' },
+          },
+        ],
+      },
+      {
+        name: 'Edgar Allen Poe',
+        books: [
+          { title: 'The Raven', currency: { name: 'US Dollar', symbol: '$' } },
+          { title: 'Eleonora', currency: { name: 'US Dollar', symbol: '$' } },
+        ],
+      },
+    ])
+  })
+
+  it('provides CRUD-style convenience methods', async () => {})
+
+  it('uses same methods for all kind of services, including dbs', async () => {
+    const srv = await cds.connect.to('AdminService')
+    const db = await cds.connect.to('db')
+    const { Authors } = srv.entities
+    const projection = (a) => {
+      a.name,
+        a.books((b) => {
+          b.title,
+            b.currency((c) => {
+              c.name, c.symbol
+            })
+        })
+    }
+    const query1 = SELECT.from(Authors, projection).where(`name like`, 'E%')
+    const query2 = cds.read(Authors, projection).where(`name like`, 'E%')
+    expect(await cds.run(query1))
+    .to.eql(await db.run(query1))
+    .to.eql(await srv.run(query1))
+    .to.eql(await srv.read(Authors, projection).where(`name like`, 'E%'))
+    .to.eql(await cds.run(query2))
+    .to.eql(await db.run(query2))
+    .to.eql(await srv.run(query2))
+    .to.eql(await db.read(Authors, projection).where(`name like`, 'E%'))
+  })
+})

bookshop/test/custom-handlers.test.js

@@ -0,0 +1,15 @@
+const cds = require('@sap/cds')
+const { GET, POST, expect } = cds.test(__dirname+'/..')
+cds.User.default = cds.User.Privileged // hard core monkey patch
+
+describe('cap/samples - Custom Handlers', () => {
+
+  it('should reject out-of-stock orders', async () => {
+    await expect(POST `/browse/submitOrder ${{ book: 201, quantity: 5 }}`).to.be.fulfilled
+    await expect(POST `/browse/submitOrder ${{ book: 201, quantity: 5 }}`).to.be.fulfilled
+    await expect(POST `/browse/submitOrder ${{ book: 201, quantity: 5 }}`).to.be.rejectedWith(
+      /409 - 5 exceeds stock for book #201/)
+    const { data } = await GET`/admin/Books/201/stock/$value`
+    expect(data).to.equal(2)
+  })
+})

bookshop/test/hierarchical-data/hierarchical-data.test.js

@@ -0,0 +1,123 @@
+const cds = require('@sap/cds')
+const { expect } = cds.test.in(__dirname,'..','..')
+
+describe('cap/samples - Hierarchical Data', ()=>{
+
+	const csn = CDL`
+		entity Categories {
+			key ID   : Integer;
+			name     : String;
+			children : Composition of many Categories on children.parent = $self;
+			parent   : Association to Categories;
+		}
+	`
+	const model = cds.compile.for.nodejs(csn)
+	const {Categories:Cats} = model.definitions
+
+	before ('bootstrap sqlite in-memory db...', async()=>{
+		await cds.deploy (csn) .to ('sqlite::memory:') // REVISIT: cds.compile.to.sql should accept cds.compiled.for.nodejs models
+		expect (cds.db) .to.exist
+		expect (cds.db.model) .to.exist
+	})
+
+	it ('supports deeply nested inserts', ()=> INSERT.into (Cats,
+		{ ID:100, name:'Some Cats...', children:[
+			{ ID:101, name:'Cat', children:[
+				{ ID:102, name:'Kitty', children:[
+					{ ID:103, name:'Kitty Cat', children:[
+						{ ID:104, name:'Aristocat' } ]},
+					{ ID:105, name:'Kitty Bat' } ]},
+				{ ID:106, name:'Catwoman', children:[
+					{ ID:107, name:'Catalina' } ]} ]},
+			{ ID:108, name:'Catweazle' }
+		]}
+	))
+
+	it ('should generate correct queries for expands', ()=>{
+		let q = SELECT.from (Cats, c => { c.ID, c.name, c.children (c => c.name) })
+		expect (q) .to.eql ({
+			SELECT: {
+				from: { ref:[ "Categories" ] },
+				columns: [
+					{ ref: [ "ID" ] },
+					{ ref: [ "name" ] },
+					{ ref: [ "children" ], expand: [ {ref:['name']} ] },
+				]
+			}
+		})
+		/* temp skip for release
+		if (q.forSQL) expect (q.forSQL()) .to.eql ({
+			SELECT: {
+				from: { ref:[ "Categories" ], as: "Categories" },
+				columns: [
+					{ ref: [ "Categories", "ID" ] },
+					{ ref: [ "Categories", "name" ] },
+					{ as: "children", SELECT: { expand: true,
+						one: false,
+						columns: [{ ref: [ "children", "name" ]}],
+						from: { ref:["Categories"], as: "children" },
+						where: [
+							{ref:[ "Categories", "ID" ]}, "=", {ref:[ "children", "parent_ID" ]}
+						],
+					}},
+				],
+			}
+		})
+		if (q.toSql) expect (q.toSql()) .to.eql (
+			`SELECT json_insert('{}',` +
+				`'$."ID"',ID,` +
+				`'$."name"',name,` +
+				`'$."children"',children->'$'` +
+			`) as _json_ FROM (` +
+				`SELECT Categories.ID,Categories.name,(` +
+					`SELECT jsonb_group_array(jsonb_insert('{}','$."name"',name)) as _json_ FROM (` +
+						`SELECT children.name FROM Categories as children WHERE Categories.ID = children.parent_ID` +
+					`)` +
+				`) as children FROM Categories as Categories` +
+			`)`
+		)
+		*/
+	})
+
+	it ('supports nested reads', ()=> expect (
+		SELECT.one.from (Cats, c=>{
+			c.ID, c.name.as('parent'), c.children (c=>{
+				c.name.as('child')
+			})
+		}) .where ({name:'Cat'})
+	) .to.eventually.eql (
+		{ ID:101, parent:'Cat', children:[
+			{ child:'Kitty' },
+			{ child:'Catwoman' },
+		]}
+	))
+
+	it ('supports deeply nested reads', ()=> expect (
+		SELECT.one.from (Cats, c=>{
+			c.ID, c.name, c.children (
+				c => { c.name },
+				{levels:3}
+			)
+		}) .where ({name:'Cat'})
+	) .to.eventually.eql (
+		{ ID:101, name:'Cat', children:[
+			{ name:'Kitty', children:[
+				{ name:'Kitty Cat', children:[
+					{ name:'Aristocat' }, ]},  // level 3
+				{ name:'Kitty Bat', children:[] }, ]},
+			{ name:'Catwoman', children:[
+				{ name:'Catalina', children:[] } ]},
+		]}
+	))
+
+	it ('supports cascaded deletes', async()=>{
+		const affectedRows = await DELETE.from (Cats) .where ({ID:[102,106]})
+		expect (affectedRows) .to.be.greaterThan (0)
+		await expect (SELECT`ID,name`.from(Cats) ).to.eventually.eql ([
+			{ ID:100, name:'Some Cats...' },
+			{ ID:101, name:'Cat' },
+			{ ID:108, name:'Catweazle' }
+		])
+	})
+
+})

bookshop/test/hierarchical-data/requests.http

@@ -0,0 +1,37 @@
+#################################################
+#
+#   Genres
+#
+
+GET http://localhost:4004/odata/v4/test/Genres?
+###
+
+GET http://localhost:4004/odata/v4/test/Genres?
+&$filter=parent_ID eq null&$select=name
+&$expand=children($select=name)
+###
+
+POST http://localhost:4004/odata/v4/test/Genres?
+Content-Type: application/json
+
+{ "ID":"100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Some Sample Genres...", "children":[
+    { "ID":"101aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Cat", "children":[
+        { "ID":"102aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Kitty", "children":[
+            { "ID":"103aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Aristocat" },
+            { "ID":"104aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Kitty Bat" } ]},
+        { "ID":"105aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catwoman", "children":[
+            { "ID":"106aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catalina" } ]} ]},
+    { "ID":"107aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catweazle" }
+]}
+###
+
+GET http://localhost:4004/odata/v4/test/Genres(100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)?
+&$expand=children
+&$expand=children($expand=children($expand=children($expand=children)))
+###
+
+DELETE http://localhost:4004/odata/v4/test/Genres(103aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)
+###
+
+DELETE http://localhost:4004/odata/v4/test/Genres(100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)
+###

bookshop/test/hierarchical-data/services.cds

@@ -0,0 +1,4 @@
+using { sap.capire.bookshop as my } from '../../db/schema';
+service TestService {
+  entity Genres as projection on my.Genres;
+}

bookshop/test/localized-data/package.json

@@ -0,0 +1,5 @@
+{
+  "devDependencies": {
+    "@cap-js/sqlite": "*"
+  }
+}

bookshop/test/localized-data/services.cds

@@ -0,0 +1,12 @@
+using { CatalogService, sap.capire.bookshop as my } from '@capire/bookshop';
+using from '@capire/common';
+
+extend service CatalogService with {
+  @cds.localized:false
+  entity BooksSans as projection on my.Books {
+    *, //> non-localized defaults, e.g. title
+    key ID,
+    texts.title as localized_title,
+    texts.locale
+  };
+}

bookshop/test/localized-data/services.test.js

@@ -0,0 +1,79 @@
+const cds = require('@sap/cds')
+const { GET, expect } = cds.test (__dirname)
+cds.User.default = cds.User.Privileged // hard core monkey patch
+
+describe('cap/samples - Localized Data', () => {
+
+  it('serves localized $metadata documents', async () => {
+    const { data } = await GET(`/browse/$metadata?sap-language=de`, { headers: { 'accept-language': 'de' }})
+    expect(data).to.contain('<Annotation Term="Common.Label" String="Währung"/>')
+  })
+
+  it('supports accept-language header', async () => {
+    const { data } = await GET(`/browse/Books?$select=title,author`, {
+      headers: { 'Accept-Language': 'de' },
+    })
+    expect(data.value).to.containSubset([
+      { title: 'Sturmhöhe', author: 'Emily Brontë' },
+      { title: 'Jane Eyre', author: 'Charlotte Brontë' },
+      { title: 'The Raven', author: 'Edgar Allen Poe' },
+      { title: 'Eleonora', author: 'Edgar Allen Poe' },
+      { title: 'Catweazle', author: 'Richard Carpenter' },
+    ])
+  })
+
+  it('supports queries with $expand', async () => {
+    const { data } = await GET(`/browse/Books?&$select=title,author&$expand=currency`, {
+      headers: { 'Accept-Language': 'de' },
+    })
+    expect(data.value).to.containSubset([
+      { title: 'Sturmhöhe', author: 'Emily Brontë', currency: { name: 'Pfund' } },
+      { title: 'Jane Eyre', author: 'Charlotte Brontë', currency: { name: 'Pfund' } },
+      { title: 'The Raven', author: 'Edgar Allen Poe', currency: { name: 'US-Dollar' } },
+      { title: 'Eleonora', author: 'Edgar Allen Poe', currency: { name: 'US-Dollar' } },
+      { title: 'Catweazle', author: 'Richard Carpenter', currency: { name: 'Yen' } },
+    ])
+  })
+
+  it('supports queries with nested $expand', async () => {
+    const { data } = await GET(`/admin/Authors`, {
+      params: {
+        $filter: `startswith(name,'E')`,
+        $expand: `books(
+          $select=title;
+          $expand=currency(
+            $select=name,symbol
+          )
+        )`.replace(/\s/g, ''),
+        $select: `name`,
+      },
+      headers: { 'Accept-Language': 'de' },
+    })
+    expect(data.value).to.containSubset([
+      {
+        name: 'Emily Brontë',
+        books: [{ title: 'Sturmhöhe', currency: { name: 'Pfund', symbol: '£' } }],
+      },
+      {
+        name: 'Edgar Allen Poe',
+        books: [
+          { title: 'The Raven', currency: { name: 'US-Dollar', symbol: '$' } },
+          { title: 'Eleonora',  currency: { name: 'US-Dollar', symbol: '$' } },
+        ],
+      },
+    ])
+  })
+
+  it('supports @cds.localized:false', async ()=>{
+    const { data } = await GET(`/browse/BooksSans?&$select=title,localized_title&$expand=currency&$filter=locale eq 'de' or locale eq null`, {
+      headers: { 'Accept-Language': 'de' },
+    })
+    expect(data.value).to.containSubset([
+      { title: 'Wuthering Heights', localized_title: 'Sturmhöhe', currency: { name: 'British Pound' } },
+      { title: 'Jane Eyre', currency: { name: 'British Pound' } },
+      { title: 'The Raven', currency: { name: 'US Dollar' } },
+      { title: 'Eleonora',  currency: { name: 'US Dollar' } },
+      { title: 'Catweazle', currency: { name: 'Yen' } },
+    ])
+  })
+})

bookshop/test/messaging.test.js

@@ -1,17 +1,24 @@
-const _model = __dirname+'/..'
-const cds = require ('@sap/cds')
+const cds = require('@sap/cds')
+const { expect } = cds.test.in(__dirname,'..')
 
-describe('messaging tests', ()=>{
+describe('cap/samples - Messaging', ()=>{
+
+    const _model = '@capire/reviews'
+    const Reviews = 'sap.capire.reviews.Reviews'
+    beforeAll(()=>{
+        cds.User.default = cds.User.Privileged // hard core monkey patch
+    })
 
     it ('should bootstrap sqlite in-memory db', async()=>{
         const db = await cds.deploy (_model) .to ('sqlite::memory:')
-        expect (db.model) .toBeDefined()
+        await db.delete(Reviews)
+        expect (db.model) .not.undefined
     })
 
     let srv
-    it ('should serve reviews services', async()=>{
+    it ('should serve ReviewsService', async()=>{
         srv = await cds.serve('ReviewsService') .from (_model)
-        expect (srv.name) .toMatch ('ReviewsService')
+        expect (srv.name) .to.match (/ReviewsService/)
     })
 
     let N=0, received=[], M=0
@@ -24,13 +31,11 @@ describe('messaging tests', ()=>{
     })
 
     it ('should add review', async ()=>{
-        const review = {
-            ID: 111 + (++N), // FIXME: why does the generic handler not fill this in automatically ?!? --> it does so when the request comes in via Postman / OData
-            subject: "201", title: "Captivating", rating: N
-        }
+        const review = { subject: "201", title: "Captivating", rating: ++N }
+        cds._debug = 1
         const response = await srv.create ('Reviews') .entries (review)
-        expect (response) .toMatchObject (review)
-    },100)
+        expect (response) .to.containSubset (review)
+    })
 
     it ('should add more reviews', ()=> Promise.all ([
         // REVISIT: mass operation should trigger one message per entry
@@ -41,29 +46,29 @@ describe('messaging tests', ()=>{
         //     { ID: 111 + (++N),  subject: "201", title: "Captivating", rating: N },
         // ),
         srv.create ('Reviews') .entries (
-            { ID: 111 + (++N),  subject: "201", title: "Captivating", rating: N }
+            { ID: String(111 + (++N)),  subject: "201", title: "Captivating", rating: N }
         ),
         srv.create ('Reviews') .entries (
-            { ID: 111 + (++N),  subject: "201", title: "Captivating", rating: N }
+            { ID: String(111 + (++N)),  subject: "201", title: "Captivating", rating: N }
         ),
         srv.create ('Reviews') .entries (
-            { ID: 111 + (++N),  subject: "201", title: "Captivating", rating: N }
+            { ID: String(111 + (++N)),  subject: "201", title: "Captivating", rating: N }
         ),
         srv.create ('Reviews') .entries (
-            { ID: 111 + (++N),  subject: "201", title: "Captivating", rating: N }
+            { ID: String(111 + (++N)),  subject: "201", title: "Captivating", rating: N }
         ),
-    ]) ,100)
+    ]))
 
     it ('should have received all messages', async()=> {
         await new Promise((done)=>setImmediate(done))
-        expect(M).toBe(N)
-        expect(received.length).toBe(N)
-        expect(received.map(m=>m.data)).toEqual([
-            { subject: '201', rating: 1 },
-            { subject: '201', rating: 1.5 },
-            { subject: '201', rating: 2 },
-            { subject: '201', rating: 2.5 },
-            { subject: '201', rating: 3 },
+        expect(M).equals(N)
+        expect(received.length).equals(N)
+        expect(received.map(m=>m.data)).to.deep.equal([
+            { count: 1, subject: '201', rating: 1 },
+            { count: 2, subject: '201', rating: 1.5 },
+            { count: 3, subject: '201', rating: 2 },
+            { count: 4, subject: '201', rating: 2.5 },
+            { count: 5, subject: '201', rating: 3 },
         ])
     })
 })

bookshop/test/odata.test.js

@@ -0,0 +1,101 @@
+const cds = require('@sap/cds')
+const { GET, expect, axios } = cds.test ('@capire/bookshop')
+axios.defaults.auth = { username: 'alice', password: 'admin' }
+
+describe('cap/samples - Bookshop APIs', () => {
+
+  it('serves $metadata documents in v4', async () => {
+    const { headers, status, data } = await GET `/browse/$metadata`
+    expect(status).to.equal(200)
+    expect(headers).to.contain({
+      // 'content-type': 'application/xml', //> fails with 'application/xml;charset=utf-8', which is set by express
+      'odata-version': '4.0',
+    })
+    expect(headers['content-type']).to.match(/application\/xml/)
+    expect(data).to.contain('<EntitySet Name="Books" EntityType="CatalogService.Books">')
+    expect(data).to.contain('<Annotation Term="Common.Label" String="Currency"/>')
+  })
+
+  it('serves ListOfBooks?$expand=genre,currency', async () => {
+    const Mystery = { name: 'Mystery' }
+    const Romance = { name: 'Romance' }
+    const USD = { code: 'USD', name: 'US Dollar', descr: null, symbol: '$' }
+    const { data } = await GET `/browse/ListOfBooks ${{
+      params: { $search: 'Po', $select: `title,author`, $expand:`genre,currency` },
+    }}`
+    expect(data.value).to.containSubset([
+      { ID: 251, title: 'The Raven', author: 'Edgar Allen Poe', genre:Mystery, currency:USD  },
+      { ID: 252, title: 'Eleonora', author: 'Edgar Allen Poe', genre:Romance, currency:USD  },
+    ])
+  })
+
+  describe('query options...', () => {
+
+    it('supports $search in multiple fields', async () => {
+      const { data } = await GET `/browse/Books ${{
+        params: { $search: 'Po', $select: `title,author` },
+      }}`
+      expect(data.value).to.containSubset([
+        { ID: 201, title: 'Wuthering Heights', author: 'Emily Brontë' },
+        { ID: 207, title: 'Jane Eyre', author: 'Charlotte Brontë' },
+        { ID: 251, title: 'The Raven', author: 'Edgar Allen Poe' },
+        { ID: 252, title: 'Eleonora', author: 'Edgar Allen Poe' },
+      ])
+    })
+
+    it('supports $select', async () => {
+      const { data } = await GET(`/browse/Books`, {
+        params: { $select: `ID,title` },
+      })
+      expect(data.value).to.containSubset([
+        { ID: 201, title: 'Wuthering Heights' },
+        { ID: 207, title: 'Jane Eyre' },
+        { ID: 251, title: 'The Raven' },
+        { ID: 252, title: 'Eleonora' },
+        { ID: 271, title: 'Catweazle' },
+      ])
+    })
+
+    it('supports $expand', async () => {
+      const { data } = await GET(`/admin/Authors`, {
+        params: {
+          $select: `name`,
+          $expand: `books($select=title)`,
+        },
+      })
+      expect(data.value).to.containSubset([
+        { name: 'Emily Brontë', books: [{ title: 'Wuthering Heights' }] },
+        { name: 'Charlotte Brontë', books: [{ title: 'Jane Eyre' }] },
+        { name: 'Edgar Allen Poe', books: [{ title: 'The Raven' }, { title: 'Eleonora' }] },
+        { name: 'Richard Carpenter', books: [{ title: 'Catweazle' }] },
+      ])
+    })
+
+    it('supports $value requests', async () => {
+      const { data } = await GET`/admin/Books/201/stock/$value`
+      expect(data).to.equal(12)
+    })
+
+    it('supports $top/$skip paging', async () => {
+      const { data: p1 } = await GET`/browse/Books?$select=title&$top=3`
+      expect(p1.value).to.containSubset([
+        { ID: 201, title: 'Wuthering Heights' },
+        { ID: 207, title: 'Jane Eyre' },
+        { ID: 251, title: 'The Raven' },
+      ])
+      const { data: p2 } = await GET`/browse/Books?$select=title&$skip=3`
+      expect(p2.value).to.containSubset([
+        { ID: 252, title: 'Eleonora' },
+        { ID: 271, title: 'Catweazle' },
+      ])
+    })
+  })
+
+  it('serves user info', async () => {
+    const { data: alice } = await GET `/user/me`
+    expect(alice).to.containSubset({ id: 'alice' })
+    const { data: joe } = await GET (`/user/me`, {auth: { username: 'joe' }})
+    expect(joe).to.containSubset({ id: 'joe' })
+  })
+
+})

bookshop/test/protocols/bookshop.http

@@ -0,0 +1,94 @@
+@server = http://localhost:4004
+@me = Authorization: Basic {{$processEnv USER}}:
+
+
+### ------------------------------------------------------------------------
+# Get service info
+GET {{server}}/browse
+{{me}}
+
+
+### ------------------------------------------------------------------------
+# Get $metadata document
+GET {{server}}/browse/$metadata
+{{me}}
+
+
+### ------------------------------------------------------------------------
+# Browse Books as any user
+GET {{server}}/browse/ListOfBooks?
+  # &$select=title,stock
+  &$expand=genre
+  # &sap-language=de
+{{me}}
+
+
+### ------------------------------------------------------------------------
+# Fetch Authors as admin
+GET {{server}}/admin/Authors?
+  # &$select=name,dateOfBirth,placeOfBirth
+  # &$expand=books($select=title;$expand=currency)
+  # &$filter=ID eq 101
+  # &sap-language=de
+Authorization: Basic alice:
+
+### ------------------------------------------------------------------------
+# Create Author
+POST {{server}}/admin/Authors
+Content-Type: application/json;IEEE754Compatible=true
+Authorization: Basic alice:
+
+{
+  "ID": 112,
+  "name": "Shakespeeeeere"
+}
+
+
+### ------------------------------------------------------------------------
+# Create book
+POST {{server}}/admin/Books
+Content-Type: application/json;IEEE754Compatible=true
+Authorization: Basic alice:
+
+{
+  "ID": 2,
+  "title": "Poems : Pocket Poets",
+  "descr": "The Everyman's Library Pocket Poets hardcover series is popular for its compact size and reasonable price which does not compromise content. Poems: Bronte contains poems that demonstrate a sensibility elemental in its force with an imaginative discipline and flexibility of the highest order. Also included are an Editor's Note and an index of first lines.",
+  "author": { "ID": 101 },
+  "genre": { "ID": "12aaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa" },
+  "stock": 5,
+  "price": "12.05",
+  "currency": { "code": "USD" }
+}
+
+
+### ------------------------------------------------------------------------
+# Put image to books
+PUT {{server}}/admin/Books(2)/image
+Content-Type: image/png
+Authorization: Basic alice:
+
+data:image/png;base64,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
+
+
+### ------------------------------------------------------------------------
+# Reading image from from the server directly
+GET {{server}}/browse/Books(2)/image
+
+
+### ------------------------------------------------------------------------
+# Submit Order as authenticated user
+# (send that three times to get out-of-stock message)
+POST {{server}}/browse/submitOrder
+Content-Type: application/json
+{{me}}
+
+{ "book":201, "quantity":5 }
+
+
+### ------------------------------------------------------------------------
+# Browse Genres
+GET {{server}}/browse/Genres?
+# &$filter=parent_ID eq null&$select=name
+# &$expand=children($select=name)
+{{me}}

bookshop/test/protocols/hcql-adapter.test.js

@@ -0,0 +1,126 @@
+const cds = require('@sap/cds/lib')
+const { GET, expect, axios } = cds.test(__dirname)
+
+// Fetch API disallows GET|HEAD requests with body
+if (axios.constructor.name === 'Naxios') it = it.skip
+
+describe ('GET w/ query in body', () => {
+
+  it ('serves CQN query objects in body', async () => {
+    const {data:books} = await GET ('/hcql/admin', {
+      headers: { 'Content-Type': 'application/json' },
+      data: cds.ql `SELECT from Books`
+    })
+    expect(books).to.be.an('array').of.length(5)
+  })
+
+  it ('serves plain CQL strings in body', async () => {
+    const {data:books} = await GET ('/hcql/admin', {
+      headers: { 'Content-Type': 'text/plain' },
+      data: `SELECT from Books`
+    })
+    expect(books).to.be.an('array').of.length(5)
+  })
+
+  it ('serves complex and deep queries', async () => {
+    const {data:books} = await GET ('/hcql/admin', {
+      headers: { 'Content-Type': 'text/plain' },
+      data: `SELECT from Authors {
+        name,
+        books [order by title] {
+          title,
+          genre.name as genre
+        }
+      }`
+    })
+    expect(books).to.deep.equal([
+      {
+        name: "Emily Brontë",
+        books: [
+          { title: "Wuthering Heights", genre: 'Drama' }
+        ]
+      },
+      {
+        name: "Charlotte Brontë",
+        books: [
+          { title: "Jane Eyre", genre: 'Drama' }
+        ]
+      },
+      {
+        name: "Edgar Allen Poe",
+        books: [
+          { title: "Eleonora", genre: 'Romance' },
+          { title: "The Raven", genre: 'Mystery' },
+        ]
+      },
+      {
+        name: "Richard Carpenter",
+        books: [
+          { title: "Catweazle", genre: 'Fantasy' }
+        ]
+      }
+    ])
+  })
+
+})
+
+
+describe ('Sluggified variants', () => {
+
+  test ('GET /Books', async () => {
+    const {data:books} = await GET ('/hcql/admin/Books')
+    expect(books).to.be.an('array').of.length(5)
+    expect(books.length).to.eql(5) //.of.length(5)
+  })
+
+
+  test ('GET /Books/201', async () => {
+    const {data:book} = await GET ('/hcql/admin/Books/201')
+    expect(book).to.be.an('object')
+    expect(book).to.have.property ('title', "Wuthering Heights")
+  })
+
+  test ('GET /Books { title, author.name as author }' , async () => {
+    const {data:books} = await GET ('/hcql/admin/Books { title, author.name as author } order by ID')
+    expect(books).to.deep.equal ([
+      { title: "Wuthering Heights", author: "Emily Brontë" },
+      { title: "Jane Eyre", author: "Charlotte Brontë" },
+      { title: "The Raven", author: "Edgar Allen Poe" },
+      { title: "Eleonora", author: "Edgar Allen Poe" },
+      { title: "Catweazle", author: "Richard Carpenter" }
+    ])
+  })
+
+  test ('GET /Books/201 w/ CQL tail in URL' , async () => {
+    const {data:book} = await GET ('/hcql/admin/Books/201 { title, author.name as author } order by ID')
+    expect(book).to.deep.equal ({ title: "Wuthering Heights", author: "Emily Brontë" })
+  })
+
+  it ('GET /Books/201 w/ CQL fragment in body' , async () => {
+    const {data:book} = await GET ('/hcql/admin/Books/201', {
+      headers: { 'Content-Type': 'text/plain' },
+      data: `{ title, author.name as author }`
+    })
+    expect(book).to.deep.equal ({ title: "Wuthering Heights", author: "Emily Brontë" })
+  })
+
+  it ('GET /Books/201 w/ CQN fragment in body' , async () => {
+    const {data:book} = await GET ('/hcql/admin/Books/201', {
+      data: cds.ql `SELECT title, author.name as author` .SELECT
+    })
+    expect(book).to.deep.equal ({ title: "Wuthering Heights", author: "Emily Brontë" })
+  })
+
+  it ('GET /Books/201 w/ tail in URL plus CQL/CQN fragments in body' , async () => {
+    const {data:[b1]} = await GET ('/hcql/admin/Books where ID=201', {
+      data: cds.ql `SELECT title, author.name as author` .SELECT
+    })
+    expect(b1).to.deep.equal ({ title: "Wuthering Heights", author: "Emily Brontë" })
+    const {data:[b2]} = await GET ('/hcql/admin/Books where ID=201', {
+      headers: { 'Content-Type': 'text/plain' },
+      data: `{ title, author.name as author }`
+    })
+    expect(b2).to.deep.equal ({ title: "Wuthering Heights", author: "Emily Brontë" })
+  })
+
+})

bookshop/test/protocols/hcql.http

@@ -0,0 +1,225 @@
+@server = http://localhost:4004
+
+GET {{server}}/odata/v4/admin/Authors?
+&$select=ID,name
+&$expand=books($select=ID,title)
+&$count=true
+###
+
+#
+#  The basic variant expects a CQN object passed as an application/json body
+#  to a POST request. This is also the fastest one, as it doesn't need CQL parsing.
+#  Note: $count is returned in X-Total-Count response header
+#
+GET {{server}}/hcql/admin
+Content-Type: application/json
+# Accept-Language: de
+
+{ "SELECT": {
+  "from": { "ref": [ "Authors" ] },
+  "columns": [
+    { "ref": [ "name" ] },
+    { "ref": [ "books" ], "expand": [
+      { "ref": [ "ID" ] },
+      { "ref": [ "title" ] }
+    ]}
+  ],
+  "count": true
+}}
+###
+
+POST {{server}}/hcql/browse/submitOrder?book=201&quantity=2
+Authorization: Basic alice:
+###
+
+POST {{server}}/hcql/browse/submitOrder
+Authorization: Basic alice:
+Content-Type: application/json
+
+{
+  "book": 201,
+  "quantity": 2
+}
+###
+
+GET {{server}}/hcql/browse/submitOrder?book=201&quantity=2
+Authorization: Basic alice:
+###
+
+#
+#   Alternatively you can pass a CQL string as plain/text body
+#
+GET {{server}}/hcql/admin
+Content-Type: text/plain
+# X-Total-Count: true
+
+SELECT from Authors { name, books { title }}
+# SELECT from Books { title, currency }
+###
+
+#
+# In addition we offer convenience slug routes...
+# .e.g. /srv/entity routes
+#
+
+
+GET {{server}}/hcql/admin/Books
+###
+
+GET {{server}}/hcql/admin/Books/201
+###
+
+GET {{server}}/hcql/admin/Books { ID, title, author.name as author }
+###
+
+GET {{server}}/hcql/admin/Books order by stock desc
+Content-Type: text/plain
+
+{ title, stock }
+###
+
+GET {{server}}/hcql/admin/Books/201 { ID, title, author.name }
+###
+
+GET {{server}}/hcql/admin/Books/201 { ID, title, author{name} }
+###
+
+
+POST {{server}}/hcql/admin/Books?title=The Black Cat&author_ID=101
+###
+
+
+POST {{server}}/hcql/admin/Books?title=The Black Cat
+Content-Type: application/json
+
+{
+  "author_ID": 101
+}
+###
+
+POST {{server}}/hcql/admin/Books
+Content-Type: application/json
+
+{
+  "title": "The Black Cat",
+  "author": { "ID": 101 }
+}
+###
+
+PUT {{server}}/hcql/admin/Books/275?title=Catastrophe
+###
+
+PATCH {{server}}/hcql/admin/Books/275
+Content-Type: application/json
+
+{
+  "title": "Catastrophe"
+}
+###
+
+GET {{server}}/hcql/admin/Authors { name, books { ID, title }}
+###
+
+GET {{server}}/hcql/admin/Books { ID, title, author.name as author } order by ID desc
+###
+
+
+
+// ------------------------------------
+
+POST {{server}}/hcql/admin
+Content-Type: application/json
+
+{"SELECT": { "from": { "ref": ["Books"] }}}
+###
+
+POST {{server}}/hcql/admin
+Content-Type: text/plain
+
+SELECT from Authors {
+  name as author,
+  books {
+    title,
+    stock,
+    price,
+    currency { * }
+  }
+}
+where name like '%Bro%'
+order by name asc
+###
+
+
+#
+#   Simple REST-style URLs as supported as well
+#
+
+GET {{server}}/hcql/admin/Books
+###
+
+GET {{server}}/hcql/admin/Books/201
+###
+
+
+#
+#   REST-style URLs can be combined with trailing CQL in the path, in plain
+#   text body, or with projections sent as application/json array
+#
+
+GET {{server}}/hcql/admin/Books order by stock desc
+###
+
+GET {{server}}/hcql/admin/Books { title as book, stock } order by stock desc
+###
+
+GET {{server}}/hcql/admin/Authors
+Content-Type: text/plain
+Accept-Language: fr
+
+{
+  ID, name as author,
+  books {
+    title,
+    stock,
+    currency { * }
+  }
+}
+where name like '%Bro%'
+order by name asc
+###
+
+
+GET {{server}}/hcql/admin/Books/201 { title, stock }
+###
+
+GET {{server}}/hcql/admin/Books order by stock desc
+Content-Type: text/plain
+
+{ title, stock }
+###
+
+
+#
+#   CQL adaptor also provides access to the underlying CSN schema
+#
+
+GET {{server}}/hcql/admin/$csn
+###
+
+
+
+#
+#   CQL adaptor also supports INSERTs, UPDATEs, DELETEs ...
+#
+
+POST {{server}}/hcql/admin
+Content-Type: application/jsonin wonderland
+
+{ "INSERT": {
+  "into": "Books",
+  "entries": [{
+    "title": "The Black Cat",
+    "author": { "ID": 150 }
+  }]
+}}
+###

bookshop/test/protocols/odata.http

@@ -0,0 +1,26 @@
+@server = http://localhost:4004
+
+GET {{server}}/odata/v2/admin/Authors
+Authorization: Basic alice:
+###
+
+GET {{server}}/odata/v2/admin/Authors?$select=ID,name&$expand=books($select=ID,title)
+Authorization: Basic alice:
+###
+
+GET {{server}}/odata/v4/admin/Authors
+Authorization: Basic alice:
+###
+
+GET {{server}}/odata/v4/admin/Authors?$select=ID,name&$expand=books($select=ID,title)
+Authorization: Basic alice:
+###
+
+
+GET {{server}}/rest/admin/Authors
+Authorization: Basic alice:
+###
+
+GET {{server}}/rest/admin/Authors?$select=ID,name&$expand=books($select=ID,title)
+Authorization: Basic alice:
+###

bookshop/test/protocols/rest.http

@@ -0,0 +1,9 @@
+@server = http://localhost:4004
+
+GET {{server}}/rest/admin/Authors
+Authorization: Basic alice:
+###
+
+GET {{server}}/rest/admin/Authors?$select=ID,name&$expand=books($select=ID,title)
+Authorization: Basic alice:
+###

bookshop/test/protocols/services.cds

@@ -0,0 +1,4 @@
+
+using { CatalogService, AdminService } from '@capire/bookstore';
+annotate CatalogService with @hcql @odata @path:'browse' @requires:[];
+annotate AdminService with @hcql @odata @path:'admin';

bookstore/_i18n/i18n_de.properties

@@ -1,13 +1,12 @@
 Books = Bücher
 Book = Buch
-ID = ID
 Title = Titel
+Description = Beschreibung
+Stock = Bestand
+Image = Bild
+Price = Preis
+Currency = Währung
+
 Authors = Autoren
 Author = Autor
 AuthorID = ID des Autors
-AuthorName = Name des Autors
-Name = Name
-Stock = Bestand
-Order = Bestellung
-Orders = Bestellungen
-Price = Preis

bookstore/_i18n/i18n_en.properties

@@ -0,0 +1,21 @@
+Books = Books
+Book = Book
+ID = ID
+Title = Title
+Description = Description
+Stock = Stock
+Image = Image
+Price = Price
+Currency = Currency
+
+Authors = Authors
+Author = Author
+AuthorID = Author''s ID
+Name = Name
+DateOfBirth = Date of Birth
+DateOfDeath = Date of Death
+PlaceOfBirth = Place of Birth
+PlaceOfDeath = Place of Death
+
+Genres = Genres
+Genre = Genre

bookstore/_i18n/i18n_fr.properties

@@ -0,0 +1,20 @@
+Books = Livres
+Book = Livre
+Title = Titre
+Description = Description
+Stock = Action
+Image = Image
+Price = Prix
+Currency = Devise
+
+Authors = Auteurs
+Author = Auteur
+AuthorID = ID de l''auteur
+Name = Nom
+DateOfBirth = Date de naissance
+DateOfDeath = Date de décès
+PlaceOfBirth = Lieu de naissance
+PlaceOfDeath = Lieu de décès
+
+Genres = Genre
+Genre = Genre

bookstore/_i18n/messages_de.properties

@@ -0,0 +1,34 @@
+400 = Ungültige Anfrage
+401 = Nicht autorisiert
+403 = Verboten
+404 = Nicht gefunden
+405 = Methode nicht zulässig
+406 = Nicht akzeptabel
+407 = Proxy-Authentifizierung erforderlich
+408 = Anfrage-Timeout
+409 = Konflikt
+410 = Weg
+411 = Erforderliche Länge
+412 = Vorbedingung fehlgeschlagen
+413 = Nutzlast zu groß
+414 = URI zu lang
+415 = Nicht unterstützter Medientyp
+416 = Bereich nicht erfüllbar
+417 = Erwartung fehlgeschlagen
+422 = Nicht verarbeitbarer Inhalt
+424 = Fehlgeschlagene Abhängigkeit
+428 = Vorbedingung erforderlich
+429 = Zu viele Anfragen
+431 = Anfrage-Headerfelder zu groß
+451 = Aus rechtlichen Gründen nicht verfügbar
+500 = Interner Serverfehler
+501 = Der Server unterstützt die zur Erfüllung der Anfrage erforderliche Funktionalität nicht
+502 = Ungültiges Gateway
+503 = Dienst nicht verfügbar
+504 = Gateway-Timeout
+
+ASSERT_RANGE = Wert {0} liegt nicht im angegebenen Bereich [{1}, {2}]
+ASSERT_FORMAT = Wert "{0}" liegt nicht im angegebenen Format "{1}"
+ASSERT_ARRAY = Wert muss ein Array sein
+ASSERT_ENUM = Wert {0} ist gemäß Enumerationsdeklaration {{1}} ungültig
+ASSERT_NOT_NULL = Wert ist erforderlich

bookstore/_i18n/messages_en.properties

@@ -0,0 +1,34 @@
+400 = Bad Request
+401 = Unauthorized
+403 = Forbidden
+404 = Not Found
+405 = Method Not Allowed
+406 = Not Acceptable
+407 = Proxy Authentication Required
+408 = Request Timeout
+409 = Conflict
+410 = Gone
+411 = Length Required
+412 = Precondition Failed
+413 = Payload Too Large
+414 = URI Too Long
+415 = Unsupported Media Type
+416 = Range Not Satisfiable
+417 = Expectation Failed
+422 = Unprocessable Content
+424 = Failed Dependency
+428 = Precondition Required
+429 = Too Many Requests
+431 = Request Header Fields Too Large
+451 = Unavailable For Legal Reasons
+500 = Internal Server Error
+501 = The server does not support the functionality required to fulfill the request
+502 = Bad Gateway
+503 = Service Unavailable
+504 = Gateway Timeout
+
+ASSERT_RANGE = Value {0} is not in specified range [{1}, {2}]
+ASSERT_FORMAT = Value "{0}" is not in specified format "{1}"
+ASSERT_ARRAY = Value must be an array
+ASSERT_ENUM = Value {0} is invalid according to enum declaration {{1}}
+ASSERT_NOT_NULL = Value is required

bookstore/_i18n/messages_fr.properties

@@ -0,0 +1,34 @@
+400 = Requête incorrecte
+401 = Non autorisée
+403 = Interdite
+404 = Introuvable
+405 = Méthode non autorisée
+406 = Non acceptable
+407 = Authentification proxy requise
+408 = Délai d''expiration de la requête
+409 = Conflit
+410 = Disparu
+411 = Longueur requise
+412 = Échec de la condition préalable
+413 = Charge utile trop importante
+414 = URI trop longue
+415 = Type de média non pris en charge
+416 = Plage non satisfaisante
+417 = Échec de l''attente
+422 = Contenu non traitable
+424 = Dépendance échouée
+428 = Condition préalable requise
+429 = Trop de requêtes
+431 = Champs d''en-tête de requête trop importants
+451 = Indisponible pour des raisons juridiques
+500 = Erreur interne du serveur
+501 = Le serveur ne prend pas en charge la fonctionnalité requise pour répondre à la requête
+502 = Passerelle incorrecte
+503 = Service indisponible
+504 = Délai d''attente de la passerelle
+
+ASSERT_RANGE = La valeur {0} n''est pas dans la plage spécifiée [{1}, {2}]
+ASSERT_FORMAT = La valeur "{0}" n''est pas au format spécifié "{1}"
+ASSERT_ARRAY = La valeur doit être un tableau
+ASSERT_ENUM = La valeur {0} n''est pas valide selon la déclaration d''énumération {{1}}
+ASSERT_NOT_NULL = La valeur est obligatoire

bookstore/app/_i18n/i18n_de.properties

@@ -0,0 +1,5 @@
+AuthorName = Name des Autors
+Age = Alter
+rder = Bestellung
+Orders = Bestellungen
+Price = Preis

bookstore/app/_i18n/i18n_en.properties

@@ -0,0 +1,8 @@
+Age = Age
+Lifetime = Lifetime
+
+SubGenres = Subgenre
+
+NumCode = Numeric Code
+MinorUnit = Minor Unit
+Exponent = Exponent

bookstore/app/admin-authors/fiori-service.cds

@@ -0,0 +1,52 @@
+using {AdminService} from '@capire/bookshop';
+
+annotate AdminService.Authors with @odata.draft.enabled;
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Authors Object Page
+//
+annotate AdminService.Authors with @(UI : {
+  HeaderInfo : {
+    TypeName : 'Author',
+    TypeNamePlural : 'Authors',
+    Description : {Value : lifetime}
+  },
+  Facets : [
+    {
+      $Type : 'UI.ReferenceFacet',
+      Label : '{i18n>Details}',
+      Target : '@UI.FieldGroup#Details'
+    },
+    {
+      $Type : 'UI.ReferenceFacet',
+      Label : '{i18n>Books}',
+      Target : 'books/@UI.LineItem'
+    },
+  ],
+  FieldGroup #Details : {Data : [
+    {Value : placeOfBirth},
+    {Value : placeOfDeath},
+    {Value : dateOfBirth},
+    {Value : dateOfDeath},
+    {
+      Value : age,
+      Label : '{i18n>Age}'
+    },
+  ]},
+});
+
+
+// Workaround to avoid errors for unknown db-specific calculated fields above
+extend sap.capire.bookshop.Authors with {
+  virtual age      : Integer;
+  virtual lifetime : String;
+}
+
+annotate AdminService.Authors with {
+  age      @Common.Label : '{i18n>Age}';
+  lifetime @Common.Label : '{i18n>Lifetime}'
+}
+
+// Workaround for Fiori popup for asking user to enter a new UUID on Create
+annotate AdminService.Authors with { ID @Core.Computed; }

bookstore/app/admin-authors/webapp/Component.js

@@ -0,0 +1,7 @@
+sap.ui.define(["sap/fe/core/AppComponent"], function (AppComponent) {
+  "use strict";
+  return AppComponent.extend("authors.Component", {
+    metadata: { manifest: "json" },
+  });
+});
+/* eslint no-undef:0 */

bookstore/app/admin-authors/webapp/i18n/i18n.properties

@@ -0,0 +1,11 @@
+# This is the resource bundle of itelo
+# __ldi.translation.uuid=c3431418-9caf-11e8-98d0-529269fb1459
+
+# JCI app descriptor contains lower case TITLE
+appTitle=Manage Authors
+
+# JCI app descriptor contains lower case DESCRIPTION
+appSubTitle=CAP Sample Application
+
+# JCI app descriptor contains lower case DESCRIPTION
+appDescription=Bookshop Authors

bookstore/app/admin-authors/webapp/manifest.json

@@ -0,0 +1,141 @@
+{
+  "_version": "1.28.0",
+  "sap.app": {
+    "id": "authors",
+    "type": "application",
+    "title": "Manage Authors",
+    "description": "Sample Application",
+    "i18n": "i18n/i18n.properties",
+    "applicationVersion": {
+      "version": "1.0.0"
+    },
+    "dataSources": {
+      "AdminService": {
+        "uri": "admin/",
+        "type": "OData",
+        "settings": {
+          "odataVersion": "4.0"
+        }
+      }
+    },
+    "sourceTemplate": {
+      "id": "ui5template.basicSAPUI5ApplicationProject",
+      "-id": "ui5template.smartTemplate",
+      "version": "1.40.12"
+    },
+    "crossNavigation": {
+      "inbounds": {
+        "intent1": {
+          "signature": {
+            "parameters": {
+              "Books.author.ID":{
+                "renameTo": "ID"
+              }
+            },
+            "additionalParameters": "ignored"
+          },
+          "semanticObject": "Authors",
+          "action": "manage",
+          "title": "{{appTitle}}",
+          "info": "{{appInfo}}",
+          "subTitle": "{{appSubTitle}}",
+          "icon": "sap-icon://SAP-icons-TNT/user",
+          "indicatorDataSource": {
+            "dataSource": "AdminService",
+            "path": "Authors/$count",
+            "refresh": 1800
+          }
+        }
+      }
+    }
+  },
+  "sap.ui5": {
+    "dependencies": {
+      "minUI5Version": "1.81.0",
+      "libs": {
+        "sap.fe.templates": {}
+      }
+    },
+    "models": {
+      "i18n": {
+        "type": "sap.ui.model.resource.ResourceModel",
+        "uri": "i18n/i18n.properties"
+      },
+      "": {
+        "dataSource": "AdminService",
+        "settings": {
+          "synchronizationMode": "None",
+          "operationMode": "Server",
+          "autoExpandSelect": true,
+          "earlyRequests": true,
+          "groupProperties": {
+            "default": {
+              "submit": "Auto"
+            }
+          }
+        }
+      }
+    },
+    "routing": {
+      "routes": [
+        {
+          "pattern": ":?query:",
+          "name": "AuthorsList",
+          "target": "AuthorsList"
+        },
+        {
+          "pattern": "Authors({key}):?query:",
+          "name": "AuthorsDetails",
+          "target": "AuthorsDetails"
+        }
+      ],
+      "targets": {
+        "AuthorsList": {
+          "type": "Component",
+          "id": "AuthorsList",
+          "name": "sap.fe.templates.ListReport",
+          "options": {
+            "settings": {
+              "entitySet": "Authors",
+              "initialLoad": true,
+              "navigation": {
+                "Authors": {
+                  "detail": {
+                    "route": "AuthorsDetails"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "AuthorsDetails": {
+          "type": "Component",
+          "id": "AuthorsDetailsList",
+          "name": "sap.fe.templates.ObjectPage",
+          "options": {
+            "settings": {
+              "entitySet": "Authors"
+            }
+          }
+        }
+      }
+    },
+    "contentDensities": {
+      "compact": true,
+      "cozy": true
+    }
+  },
+  "sap.ui": {
+    "technology": "UI5",
+    "fullWidth": false,
+    "deviceTypes":{
+      "desktop": true,
+      "tablet": true,
+      "phone": true
+    }
+  },
+  "sap.fiori": {
+    "registrationIds": [],
+    "archeType": "transactional"
+  }
+}

bookstore/app/admin-books/fiori-service.cds

@@ -0,0 +1,112 @@
+using { AdminService } from '@capire/bookstore';
+using from '../common'; // to help UI linter get the complete annotations
+
+
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books Object Page
+//
+
+annotate AdminService.Books with @(
+	UI: {
+		Facets: [
+			{$Type: 'UI.ReferenceFacet', Label: '{i18n>General}', Target: '@UI.FieldGroup#General'},
+			{$Type: 'UI.ReferenceFacet', Label: '{i18n>Translations}', Target:  'texts/@UI.LineItem'},
+			{$Type: 'UI.ReferenceFacet', Label: '{i18n>Details}', Target: '@UI.FieldGroup#Details'},
+			{$Type: 'UI.ReferenceFacet', Label: '{i18n>Admin}', Target: '@UI.FieldGroup#Admin'},
+		],
+		FieldGroup#General: {
+			Data: [
+				{Value: title},
+				{Value: author_ID},
+				{Value: genre_ID},
+				{Value: descr},
+			]
+		},
+		FieldGroup#Details: {
+			Data: [
+				{Value: stock},
+				{Value: price},
+				{Value: currency_code, Label: '{i18n>Currency}'},
+			]
+		},
+		FieldGroup#Admin: {
+			Data: [
+				{Value: createdBy},
+				{Value: createdAt},
+				{Value: modifiedBy},
+				{Value: modifiedAt}
+			]
+		}
+	}
+);
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Value Help for Tree Table
+//
+annotate AdminService.Books with {
+    genre @(Common: {
+        Label    : 'Genre',
+        ValueList: {
+            CollectionPath              : 'Genres',
+            Parameters                  : [
+            {
+                $Type            : 'Common.ValueListParameterDisplayOnly',
+                ValueListProperty: 'name',
+            },
+            {
+                $Type            : 'Common.ValueListParameterInOut',
+                LocalDataProperty: genre_ID,
+                ValueListProperty: 'ID',
+            }
+            ],
+        }
+    });
+}
+
+// Hide ID because of the ValueHelp
+annotate AdminService.Genres with {
+  ID @UI.Hidden;
+};
+
+////////////////////////////////////////////////////////////
+//
+//  Draft for Localized Data
+//
+
+annotate sap.capire.bookshop.Books with @fiori.draft.enabled;
+annotate AdminService.Books with @odata.draft.enabled;
+
+annotate AdminService.Books.texts with @(
+	UI: {
+		Identification: [{Value:title}],
+		SelectionFields: [ locale, title ],
+		LineItem: [
+			{Value: locale, Label: 'Locale'},
+			{Value: title, Label: 'Title'},
+			{Value: descr, Label: 'Description'},
+		]
+	}
+);
+
+annotate AdminService.Books.texts with {
+    ID       @UI.Hidden;
+    ID_texts @UI.Hidden;
+};
+
+// Add Value Help for Locales
+annotate AdminService.Books.texts {
+	locale @(
+		ValueList.entity:'Languages', Common.ValueListWithFixedValues, //show as drop down, not a dialog
+	)
+}
+// In addition we need to expose Languages through AdminService as a target for ValueList
+using { sap } from '@sap/cds/common';
+extend service AdminService {
+	@readonly entity Languages as projection on sap.common.Languages;
+}
+
+// Workaround for Fiori popup for asking user to enter a new UUID on Create
+annotate AdminService.Books with { ID @Core.Computed; }

bookstore/app/admin-books/webapp/Component.js

@@ -0,0 +1,8 @@
+sap.ui.define(["sap/fe/core/AppComponent"], function(AppComponent) {
+	"use strict";
+	return AppComponent.extend("books.Component", {
+		metadata: { manifest: "json" }
+	});
+});
+
+/* eslint no-undef:0 */

bookstore/app/admin-books/webapp/i18n/i18n.properties

@@ -2,7 +2,7 @@
 # __ldi.translation.uuid=c3431418-9caf-11e8-98d0-529269fb1459
 
 # JCI app descriptor contains lower case TITLE
-appTitle=Bookshop Sample
+appTitle=Manage Books
 
 # JCI app descriptor contains lower case DESCRIPTION
 appSubTitle=CAP Sample Application

bookstore/app/admin-books/webapp/manifest.json

@@ -1,14 +1,14 @@
 {
     "_version": "1.8.0",
     "sap.app": {
-        "id": "admin",
+        "id": "books",
         "type": "application",
         "title": "Manage Books",
         "description": "Sample Application",
         "i18n": "i18n/i18n.properties",
         "dataSources": {
             "AdminService": {
-                "uri": "/admin/",
+                "uri": "admin/",
                 "type": "OData",
                 "settings": {
                     "odataVersion": "4.0"
@@ -19,12 +19,28 @@
             "id": "ui5template.basicSAPUI5ApplicationProject",
             "-id": "ui5template.smartTemplate",
             "-version": "1.40.12"
+        },
+        "crossNavigation": {
+            "inbounds": {
+                "intent1": {
+                        "signature": {
+                        "parameters": {},
+                        "additionalParameters": "allowed"
+                    },
+                    "semanticObject": "Books",
+                    "action": "manage",
+                    "title": "{{appTitle}}",
+                    "info": "{{appInfo}}",
+                    "subTitle": "{{appSubTitle}}",
+                    "icon": "sap-icon://course-book"
+                }
+            }
         }
     },
     "sap.ui5": {
         "dependencies": {
             "libs": {
-                "sap.fe": {}
+                "sap.fe.templates": {}
             }
         },
         "models": {
@@ -73,6 +89,7 @@
                     "options": {
                         "settings" : {
                             "entitySet" : "Books",
+                            "initialLoad": true,
                             "navigation" : {
                                 "Books" : {
                                     "detail" : {

bookstore/app/appconfig/fioriSandboxConfig.json

@@ -0,0 +1,167 @@
+{
+  "services": {
+    "LaunchPage": {
+      "adapter": {
+        "config": {
+          "groups": [
+            {
+              "id": "Bookshop",
+              "title": "Bookshop",
+              "isPreset": true,
+              "isVisible": true,
+              "isGroupLocked": false,
+              "tiles": [
+                {
+                  "id": "BrowseBooks",
+                  "tileType": "sap.ushell.ui.tile.StaticTile",
+                  "properties": {
+                    "title": "Browse Books",
+                    "targetURL": "#Books-display"
+                  }
+                },
+                {
+                  "id": "BrowseGenres",
+                  "tileType": "sap.ushell.ui.tile.StaticTile",
+                  "properties": {
+                    "title": "Browse Genres",
+                    "targetURL": "#Genres-display"
+                  }
+                }
+              ]
+            },
+            {
+              "id": "Administration",
+              "title": "Administration",
+              "isPreset": true,
+              "isVisible": true,
+              "isGroupLocked": false,
+              "tiles": [
+                {
+                  "id": "ManageBooks",
+                  "tileType": "sap.ushell.ui.tile.StaticTile",
+                  "properties": {
+                    "title": "Manage Books",
+                    "targetURL": "#Books-manage"
+                  }
+                },
+                {
+                  "id": "ManageAuthors",
+                  "tileType": "sap.ushell.ui.tile.StaticTile",
+                  "properties": {
+                    "title": "Manage Authors",
+                    "targetURL": "#Authors-manage"
+                  }
+                },
+                {
+                  "id": "ManageOrders",
+                  "tileType": "sap.ushell.ui.tile.StaticTile",
+                  "properties": {
+                    "title": "Manage Orders",
+                    "targetURL": "#Orders-manage"
+                  }
+                }
+              ]
+            }
+          ]
+        }
+      }
+    },
+    "NavTargetResolution": {
+      "config": {
+        "enableClientSideTargetResolution": true
+      }
+    },
+    "ClientSideTargetResolution": {
+      "adapter": {
+        "config": {
+          "inbounds": {
+            "BrowseBooks": {
+              "semanticObject": "Books",
+              "action": "display",
+              "title": "Browse Books",
+              "signature": {
+                "parameters": {
+                  "Books.ID": {
+                    "renameTo": "ID"
+                  },
+                  "Authors.books.ID": {
+                    "renameTo": "ID"
+                  }
+                },
+                "additionalParameters": "ignored"
+              },
+              "resolutionResult": {
+                "applicationType": "SAPUI5",
+                "additionalInformation": "SAPUI5.Component=bookshop",
+                "url": "/browse/webapp"
+              }
+            },
+            "BrowseAuthors": {
+              "semanticObject": "Authors",
+              "action": "manage",
+              "title": "Browse Authors",
+              "signature": {
+                "parameters": {
+                  "Books.author.ID":{
+                    "renameTo": "ID"
+                  }
+                },
+                "additionalParameters": "ignored"
+              },
+              "resolutionResult": {
+                "applicationType": "SAPUI5",
+                "additionalInformation": "SAPUI5.Component=authors",
+                "url": "/admin-authors/webapp"
+              }
+            },
+            "BrowseGenres": {
+              "semanticObject": "Genres",
+              "action": "display",
+              "title": "Browse Genres",
+              "signature": {
+                "parameters": {
+                  "Genre.ID": {
+                    "renameTo": "ID"
+                  }
+                },
+                "additionalParameters": "ignored"
+              },
+              "resolutionResult": {
+                "applicationType": "SAPUI5",
+                "additionalInformation": "SAPUI5.Component=genres",
+                "url": "/genres/webapp"
+              }
+            },
+            "ManageBooks": {
+              "semanticObject": "Books",
+              "action": "manage",
+              "title": "Manage Books",
+              "signature": {
+                "parameters": {},
+                "additionalParameters": "allowed"
+              },
+              "resolutionResult": {
+                "applicationType": "SAPUI5",
+                "additionalInformation": "SAPUI5.Component=books",
+                "url": "/admin-books/webapp"
+              }
+            },
+            "ManageOrders": {
+              "semanticObject": "Orders",
+              "action": "manage",
+              "signature": {
+                "parameters": {},
+                "additionalParameters": "allowed"
+              },
+              "resolutionResult": {
+                "applicationType": "SAPUI5",
+                "additionalInformation": "SAPUI5.Component=orders",
+                "url": "/orders/webapp"
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}

bookstore/app/browse/fiori-service.cds

@@ -0,0 +1,57 @@
+using CatalogService from '@capire/bookstore';
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books Object Page
+//
+annotate CatalogService.Books with @(UI : {
+    HeaderInfo        : {
+        TypeName       : '{i18n>Book}',
+        TypeNamePlural : '{i18n>Books}',
+        Description    : {Value : author}
+    },
+    HeaderFacets      : [{
+        $Type  : 'UI.ReferenceFacet',
+        Label  : '{i18n>Description}',
+        Target : '@UI.FieldGroup#Descr'
+    }, ],
+    Facets            : [{
+        $Type  : 'UI.ReferenceFacet',
+        Label  : '{i18n>Details}',
+        Target : '@UI.FieldGroup#Price'
+    }, ],
+    FieldGroup #Descr : {Data : [{Value : descr}, ]},
+    FieldGroup #Price : {Data : [
+        {Value : price},
+        {
+            Value : currency.symbol,
+            Label : '{i18n>Currency}'
+        },
+    ]},
+});
+
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books List Page
+//
+annotate CatalogService.Books with @(UI : {
+    SelectionFields : [
+        ID,
+        price,
+        currency_code
+    ],
+    LineItem        : [
+        {
+            Value : ID,
+            Label : '{i18n>Title}'
+        },
+        {
+            Value : author,
+            Label : '{i18n>Author}'
+        },
+        {Value : genre.name},
+        {Value : price},
+        {Value : currency.symbol},
+    ]
+}, );

bookstore/app/browse/webapp/Component.js

@@ -0,0 +1,7 @@
+sap.ui.define(["sap/fe/core/AppComponent"], function(AppComponent) {
+	"use strict";
+	return AppComponent.extend("bookshop.Component", {
+		metadata: { manifest: "json" }
+	});
+});
+/* eslint no-undef:0 */

bookstore/app/browse/webapp/i18n/i18n.properties

@@ -2,7 +2,7 @@
 # __ldi.translation.uuid=c3431418-9caf-11e8-98d0-529269fb1459
 
 # JCI app descriptor contains lower case TITLE
-appTitle=Bookshop Sample
+appTitle=Browse Books
 
 # JCI app descriptor contains lower case DESCRIPTION
 appSubTitle=CAP Sample Application

bookstore/app/browse/webapp/manifest.json

@@ -1,30 +1,62 @@
 {
-  "_version": "1.8.0",
+  "_version": "1.28.0",
   "sap.app": {
     "id": "bookshop",
     "type": "application",
     "title": "Browse Books",
     "description": "Sample Application",
     "i18n": "i18n/i18n.properties",
+    "applicationVersion": {
+      "version": "1.0.0"
+    },
     "dataSources": {
       "CatalogService": {
-        "uri": "/browse/",
+        "uri": "browse/",
         "type": "OData",
         "settings": {
           "odataVersion": "4.0"
         }
       }
     },
-    "-sourceTemplate": {
+    "sourceTemplate": {
       "id": "ui5template.basicSAPUI5ApplicationProject",
       "-id": "ui5template.smartTemplate",
-      "-version": "1.40.12"
+      "version": "1.40.12"
+    },
+    "crossNavigation": {
+      "inbounds": {
+        "intent1": {
+          "signature": {
+            "parameters": {
+              "Books.ID":{
+                "renameTo": "ID"
+              },
+              "Authors.books.ID": {
+                "renameTo": "ID"
+              }
+            },
+            "additionalParameters": "ignored"
+          },
+          "semanticObject": "Books",
+          "action": "display",
+          "title": "{{appTitle}}",
+          "info": "{{appInfo}}",
+          "subTitle": "{{appSubTitle}}",
+          "icon": "sap-icon://course-book",
+          "indicatorDataSource": {
+            "dataSource": "CatalogService",
+            "path": "Books/$count",
+            "refresh": 1800
+          }
+        }
+      }
     }
   },
   "sap.ui5": {
     "dependencies": {
+      "minUI5Version": "1.81.0",
       "libs": {
-        "sap.fe": {}
+        "sap.fe.templates": {}
       }
     },
     "models": {
@@ -68,6 +100,7 @@
           "options": {
             "settings": {
               "entitySet": "Books",
+              "initialLoad": true,
               "navigation": {
                 "Books": {
                   "detail": {
@@ -97,7 +130,12 @@
   },
   "sap.ui": {
     "technology": "UI5",
-    "fullWidth": false
+    "fullWidth": false,
+    "deviceTypes":{
+      "desktop": true,
+      "tablet": true,
+      "phone": true
+    }
   },
   "sap.fiori": {
     "registrationIds": [],

bookstore/app/common.cds

@@ -0,0 +1,233 @@
+/*
+ Common Annotations shared by all apps
+*/
+
+using { sap.capire.bookshop as my } from '@capire/bookstore';
+using { sap.common } from '@capire/common';
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books Lists
+//
+annotate my.Books with @(
+  Common.SemanticKey : [ID],
+  UI                 : {
+    Identification  : [{ Value: title }],
+    SelectionFields : [
+      ID,
+      author_ID,
+      price,
+      currency_code
+    ],
+    LineItem        : [
+      { Value: ID, Label: '{i18n>Title}' },
+      { Value: author.ID, Label: '{i18n>Author}' },
+      { Value: genre.name },
+      { Value: stock },
+      { Value: price },
+      { Value: currency.symbol },
+    ]
+  }
+) {
+  ID  @Common: {
+    SemanticObject : 'Books',
+    Text: title,
+    TextArrangement : #TextOnly
+  };
+  author @ValueList.entity      : 'Authors';
+};
+
+annotate common.Currencies with {
+  symbol @Common.Label : '{i18n>Currency}';
+}
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books Details
+//
+annotate my.Books with @(UI : {HeaderInfo : {
+  TypeName       : '{i18n>Book}',
+  TypeNamePlural : '{i18n>Books}',
+  Title          : { Value: title },
+  Description    : { Value: author.name }
+}, });
+
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Books Elements
+//
+annotate my.Books with {
+  ID     @title: '{i18n>ID}';
+  title  @title: '{i18n>Title}';
+  genre  @title: '{i18n>Genre}'   @Common: { Text: genre.name, TextArrangement: #TextOnly };
+  author @title: '{i18n>Author}'  @Common: { Text: author.name, TextArrangement: #TextOnly };
+  price  @title: '{i18n>Price}'   @Measures.ISOCurrency : currency_code;
+  stock  @title: '{i18n>Stock}';
+  descr  @title: '{i18n>Description}'  @UI.MultiLineText;
+  image  @title: '{i18n>Image}';
+}
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Authors List
+//
+annotate my.Authors with @(
+  Common.SemanticKey : [ID],
+  UI                 : {
+    Identification  : [{ Value: name}],
+    SelectionFields : [name],
+    LineItem        : [
+      { Value: ID },
+      { Value: dateOfBirth },
+      { Value: dateOfDeath },
+      { Value: placeOfBirth },
+      { Value: placeOfDeath },
+    ],
+  }
+) {
+  ID  @Common: {
+    SemanticObject : 'Authors',
+    Text: name,
+    TextArrangement : #TextOnly,
+  };
+};
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Author Details
+//
+annotate my.Authors with @(UI : {
+  HeaderInfo : {
+    TypeName       : '{i18n>Author}',
+    TypeNamePlural : '{i18n>Authors}',
+    Title          : { Value: name },
+    Description    : { Value: dateOfBirth }
+  },
+  Facets     : [{
+    $Type  : 'UI.ReferenceFacet',
+    Target : 'books/@UI.LineItem'
+  }, ],
+});
+
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Authors Elements
+//
+annotate my.Authors with {
+  ID           @title: '{i18n>ID}';
+  name         @title: '{i18n>Name}';
+  dateOfBirth  @title: '{i18n>DateOfBirth}';
+  dateOfDeath  @title: '{i18n>DateOfDeath}';
+  placeOfBirth @title: '{i18n>PlaceOfBirth}';
+  placeOfDeath @title: '{i18n>PlaceOfDeath}';
+}
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Languages List
+//
+annotate common.Languages with @(
+  Common.SemanticKey : [code],
+  Identification     : [{ Value: code}],
+  UI                 : {
+    SelectionFields : [
+      name,
+      descr
+    ],
+    LineItem        : [
+      { Value: code },
+      { Value: name },
+    ],
+  }
+);
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Language Details
+//
+annotate common.Languages with @(UI : {
+  HeaderInfo          : {
+    TypeName       : '{i18n>Language}',
+    TypeNamePlural : '{i18n>Languages}',
+    Title          : { Value: name },
+    Description    : { Value: descr }
+  },
+  Facets              : [{
+    $Type  : 'UI.ReferenceFacet',
+    Label  : '{i18n>Details}',
+    Target : '@UI.FieldGroup#Details'
+  }, ],
+  FieldGroup #Details : {Data : [
+    { Value: code },
+    { Value: name },
+    { Value: descr }
+  ]},
+});
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Currencies List
+//
+annotate common.Currencies with @(
+  Common.SemanticKey : [code],
+  Identification     : [{ Value: code}],
+  UI                 : {
+    SelectionFields : [
+      name,
+      descr
+    ],
+    LineItem        : [
+      { Value: descr },
+      { Value: symbol },
+      { Value: code },
+    ],
+  }
+);
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Currency Details
+//
+annotate common.Currencies with @(UI : {
+  HeaderInfo           : {
+    TypeName       : '{i18n>Currency}',
+    TypeNamePlural : '{i18n>Currencies}',
+    Title          : { Value: descr },
+    Description    : { Value: code }
+  },
+  Facets               : [
+    {
+      $Type  : 'UI.ReferenceFacet',
+      Label  : '{i18n>Details}',
+      Target : '@UI.FieldGroup#Details'
+    },
+    {
+      $Type  : 'UI.ReferenceFacet',
+      Label  : '{i18n>Extended}',
+      Target : '@UI.FieldGroup#Extended'
+    },
+  ],
+  FieldGroup #Details  : {Data : [
+    { Value: name },
+    { Value: symbol },
+    { Value: code },
+    { Value: descr }
+  ]},
+  FieldGroup #Extended : {Data : [
+    { Value: numcode },
+    { Value: minor },
+    { Value: exponent }
+  ]},
+});
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Currencies Elements
+//
+annotate common.Currencies with {
+  numcode  @title: '{i18n>NumCode}';
+  minor    @title: '{i18n>MinorUnit}';
+  exponent @title: '{i18n>Exponent}';
+}

bookstore/app/fiori-apps.html

@@ -0,0 +1,31 @@
+<!doctype html>
+<html>
+
+<head>
+	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
+	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+	<title>Bookshop</title>
+
+	<script>
+		window["sap-ushell-config"] = {
+			defaultRenderer: "fiori2",
+			applications: {},
+		};
+	</script>
+
+	<script id="sap-ushell-bootstrap" src="https://ui5.sap.com/test-resources/sap/ushell/bootstrap/sandbox.js"></script>
+	<script id="sap-ui-bootstrap" src="https://ui5.sap.com/resources/sap-ui-core.js"
+		data-sap-ui-libs="sap.m, sap.ushell, sap.collaboration, sap.ui.layout" data-sap-ui-compatVersion="edge"
+		data-sap-ui-theme="sap_horizon"></script>
+	<script>
+		sap.ui.getCore().attachInit(() =>
+			sap.ushell.Container.createRenderer().placeAt("content")
+		);
+	</script>
+</head>
+
+<body class="sapUiBody" id="content">
+</body>
+
+</html>

bookstore/app/genres/fiori-service.cds

@@ -0,0 +1,33 @@
+using { sap.capire.bookshop.Genres } from '@capire/bookstore';
+
+annotate Genres with @cds.search: {name};
+annotate Genres with @readonly;
+annotate Genres with {
+  name @title: '{i18n>Genre}';
+}
+
+// Lists
+annotate Genres with @(
+  Common.SemanticKey : [name],
+  UI.SelectionFields : [name],
+  UI.LineItem : [
+   { Value: name, Label: '{i18n>Name}' },
+  ],
+);
+
+// Details
+annotate Genres with @(UI : {
+  Identification : [{ Value: name }],
+  HeaderInfo     : {
+    TypeName       : '{i18n>Genre}',
+    TypeNamePlural : '{i18n>Genres}',
+    Title          : { Value: name },
+    Description    : { Value: ID }
+  }
+});
+
+
+// Tree Views
+// annotate AdminService.Genres with @hierarchy; // upcomming simplification
+using from './tree-view';
+using from './value-help';

bookstore/app/genres/tree-view.cds

@@ -0,0 +1,42 @@
+using { AdminService } from '@capire/bookstore';
+
+////////////////////////////////////////////////////////////////////////////
+//
+//	Genres Tree View
+//
+
+// Tell Fiori about the structure of the hierarchy
+annotate AdminService.Genres with @Aggregation.RecursiveHierarchy #GenresHierarchy : {
+  ParentNavigationProperty : parent, // navigates to a node's parent
+  NodeProperty             : ID, // identifies a node, usually the key
+};
+
+// Fiori expects the following to be defined explicitly, even though they're always the same
+extend AdminService.Genres with @(
+  // The columns expected by Fiori to be present in hierarchy entities
+  Hierarchy.RecursiveHierarchy #GenresHierarchy : {
+    LimitedDescendantCount : LimitedDescendantCount,
+    DistanceFromRoot       : DistanceFromRoot,
+    DrillState             : DrillState,
+    LimitedRank            : LimitedRank
+  },
+  // Disallow filtering on these properties from Fiori UIs
+  Capabilities.FilterRestrictions.NonFilterableProperties: [
+    'LimitedDescendantCount',
+    'DistanceFromRoot',
+    'DrillState',
+    'LimitedRank'
+  ],
+  // Disallow sorting on these properties from Fiori UIs
+  Capabilities.SortRestrictions.NonSortableProperties    : [
+    'LimitedDescendantCount',
+    'DistanceFromRoot',
+    'DrillState',
+    'LimitedRank'
+  ],
+) columns { // Ensure we can query these fields from database
+  null as LimitedDescendantCount : Int16,
+  null as DistanceFromRoot       : Int16,
+  null as DrillState             : String,
+  null as LimitedRank            : Int16,
+};

bookstore/app/genres/value-help.cds

@@ -0,0 +1,6 @@
+// Value help with Tree View
+using from '../admin-books/fiori-service';
+annotate AdminService.Books:genre with @Common.ValueList.PresentationVariantQualifier: 'VH';
+annotate AdminService.Genres with @UI.PresentationVariant #VH: {
+  RecursiveHierarchyQualifier : 'GenresHierarchy',
+};

bookstore/app/genres/webapp/Component.js

@@ -0,0 +1,3 @@
+sap.ui.define(["sap/fe/core/AppComponent"], ac => ac.extend("genres.Component", {
+  metadata:{ manifest:'json' }
+}))

bookstore/app/genres/webapp/i18n/i18n.properties

@@ -0,0 +1,4 @@
+#XTIT
+appTitle=Browse Genres
+#XTXT
+appDescription=Genres as Tree View

bookstore/app/genres/webapp/i18n/i18n_de.properties

@@ -0,0 +1,2 @@
+appTitle=Zeige Genres
+appDescription=Genres als Baumansicht

bookstore/app/genres/webapp/manifest.json

@@ -0,0 +1,124 @@
+{
+	"_version": "1.8.0",
+	"sap.app": {
+		"id": "genres",
+		"type": "application",
+		"title": "{{appTitle}}",
+		"description": "{{appDescription}}",
+		"applicationVersion": {
+			"version": "1.0.0"
+		},
+		"dataSources": {
+			"AdminService": {
+				"uri": "admin/",
+				"type": "OData",
+				"settings": {
+					"odataVersion": "4.0"
+				}
+			}
+		},
+		"crossNavigation": {
+			"inbounds": {
+				"Genres-display": {
+					"signature": {
+						"parameters": {},
+						"additionalParameters": "allowed"
+					},
+					"semanticObject": "Genres",
+					"action": "display"
+				}
+			}
+		}
+	},
+	"sap.ui5": {
+		"dependencies": {
+			"minUI5Version": "1.122.0",
+			"libs": {
+				"sap.fe.templates": {}
+			}
+		},
+		"models": {
+			"i18n": {
+				"type": "sap.ui.model.resource.ResourceModel",
+				"uri": "i18n/i18n.properties"
+			},
+			"": {
+				"dataSource": "AdminService",
+				"settings": {
+					"synchronizationMode": "None",
+					"operationMode": "Server",
+					"autoExpandSelect": true,
+					"earlyRequests": true,
+					"groupProperties": {
+						"default": {
+							"submit": "Auto"
+						}
+					}
+				}
+			}
+		},
+		"routing": {
+			"routes": [
+				{
+					"pattern": ":?query:",
+					"name": "GenresList",
+					"target": "GenresList"
+				},
+				{
+					"pattern": "Genres({key}):?query:",
+					"name": "GenresDetails",
+					"target": "GenresDetails"
+				}
+			],
+			"targets": {
+				"GenresList": {
+					"type": "Component",
+					"id": "GenresList",
+					"name": "sap.fe.templates.ListReport",
+					"options": {
+						"settings": {
+							"contextPath": "/Genres",
+							"navigation": {
+								"Genres": {
+									"detail": {
+										"route": "GenresDetails"
+									}
+								}
+							},
+							"controlConfiguration": {
+								"@com.sap.vocabularies.UI.v1.LineItem": {
+									"tableSettings": {
+										"hierarchyQualifier": "GenresHierarchy",
+										"type": "TreeTable"
+									}
+								}
+							}
+						}
+					}
+				},
+				"GenresDetails": {
+					"type": "Component",
+					"id": "GenresDetails",
+					"name": "sap.fe.templates.ObjectPage",
+					"options": {
+						"settings": {
+							"contextPath": "/Genres"
+						}
+					}
+				}
+			}
+		},
+		"contentDensities": {
+			"compact": true,
+			"cozy": true
+		}
+	},
+	"sap.ui": {
+		"technology": "UI5",
+		"fullWidth": false
+	},
+	"sap.fiori": {
+		"registrationIds": [],
+		"archeType": "transactional"
+	}
+}

bookstore/app/services.cds

@@ -0,0 +1,11 @@
+/*
+  This model controls what gets served to Fiori frontends...
+*/
+
+using from './admin-authors/fiori-service';
+using from './admin-books/fiori-service';
+using from './browse/fiori-service';
+using from './genres/fiori-service';
+
+using from './common';
+using from '@capire/bookstore/srv/mashup';

bookstore/db/hana/index.cds

@@ -0,0 +1,10 @@
+//
+//  Add Author.age and .lifetime with a DB-specific function
+//
+
+using { AdminService } from '@capire/bookshop';
+
+extend projection AdminService.Authors with {
+  YEARS_BETWEEN(dateOfBirth, dateOfDeath)         as age: Integer,
+  YEAR(dateOfBirth) || ' – ' || YEAR(dateOfDeath) as lifetime : String
+}

bookstore/db/sqlite/index.cds

@@ -0,0 +1,10 @@
+//
+//  Add Author.age and .lifetime with a DB-specific function
+//
+
+using { AdminService } from '@capire/bookshop';
+
+extend projection AdminService.Authors with {
+  strftime('%Y',dateOfDeath)-strftime('%Y',dateOfBirth)              as age: Integer,
+  strftime('%Y',dateOfBirth) || ' – ' || strftime('%Y',dateOfDeath)  as lifetime : String
+}

bookstore/index.cds

@@ -0,0 +1,2 @@
+namespace sap.capire.bookshop; //> important for reflection
+using from './srv/mashup';

bookstore/package.json

@@ -0,0 +1,51 @@
+{
+  "name": "@capire/bookstore",
+  "version": "1.0.0",
+  "dependencies": {
+    "@capire/bookshop": "*",
+    "@capire/reviews": "*",
+    "@capire/orders": "*",
+    "@capire/common": "*",
+    "@capire/data-viewer": "*",
+    "@cap-js/hana": ">=1",
+    "@sap-cloud-sdk/http-client": "^4",
+    "@sap-cloud-sdk/resilience": "^4",
+    "@sap/cds": ">=5",
+    "express": "^4.17.1"
+  },
+  "devDependencies": {
+    "@cap-js/sqlite": ">=1"
+  },
+  "scripts": {
+    "start": "cds-serve",
+    "watch": "cds watch"
+  },
+  "cds": {
+    "requires": {
+      "ReviewsService": {
+        "kind": "odata",
+        "model": "@capire/reviews"
+      },
+      "OrdersService": {
+        "kind": "odata",
+        "model": "@capire/orders"
+      },
+      "messaging": true,
+      "db": true,
+      "db-ext": {
+        "[development]": {
+          "model": "db/sqlite"
+        },
+        "[production]": {
+          "model": "db/hana"
+        }
+      }
+    },
+    "log": { "service": true }
+  },
+  "sapux": [
+    "app/admin-authors",
+    "app/admin-books",
+    "app/browse"
+  ]
+}

bookstore/server.js

@@ -0,0 +1,2 @@
+require('./srv/mashup')
+require('./srv/trees')

bookstore/srv/mashup.cds

@@ -0,0 +1,31 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//    Enhancing bookshop with Reviews and Orders provided through
+//    respective reuse packages and services
+//
+
+
+//
+//  Extend Books with access to Reviews and average ratings
+//
+using { sap.capire.bookshop.Books } from '@capire/bookshop';
+using { ReviewsService.Reviews } from '@capire/reviews';
+extend Books with {
+  reviews : Composition of many Reviews on reviews.subject = $self.ID;
+  rating  : type of Reviews:rating; // average rating
+  numberOfReviews : Integer @title : '{i18n>NumberOfReviews}';
+}
+
+
+//
+//  Extend Orders with Books as Products
+//
+using { sap.capire.orders.Orders } from '@capire/orders';
+extend Orders:Items with {
+  book : Association to Books on product.ID = book.ID
+}
+
+// Ensure models from all imported packages are loaded
+using from '@capire/orders/app/fiori';
+using from '@capire/data-viewer';
+using from '@capire/common';

bookstore/srv/mashup.js

@@ -0,0 +1,65 @@
+const cds = require ('@sap/cds')
+
+
+// Add routes to UIs from imported packages
+if (!cds.env.production) cds.once ('bootstrap', (app) => {
+  app.serve ('/bookshop') .from ('@capire/bookshop','app/vue')
+  app.serve ('/reviews') .from ('@capire/reviews','app/vue')
+  app.serve ('/orders') .from('@capire/orders','app/orders')
+})
+
+
+// Mashing up bookshop services with required services...
+cds.once ('served', async ()=>{
+
+  const CatalogService = await cds.connect.to ('CatalogService')
+  const ReviewsService = await cds.connect.to ('ReviewsService')
+  const OrdersService = await cds.connect.to ('OrdersService')
+  const db = await cds.connect.to ('db')
+
+  // reflect entity definitions used below...
+  const { Books } = db.entities ('sap.capire.bookshop')
+
+  //
+  // Delegate requests to read reviews to the ReviewsService
+  // Note: prepend is neccessary to intercept generic default handler
+  //
+  CatalogService.prepend (srv => srv.on ('READ', 'Books/reviews', (req) => {
+    console.debug ('> delegating request to ReviewsService') // eslint-disable-line no-console
+    const [id] = req.params, { columns, limit } = req.query.SELECT
+    return ReviewsService.read ('Reviews',columns).limit(limit).where({subject:String(id)})
+  }))
+
+  //
+  // Create an order with the OrdersService when CatalogService signals a new order
+  //
+  CatalogService.on ('OrderedBook', async (msg) => {
+    const { book, quantity, buyer } = msg.data
+    const { title, price } = await db.read (Books, book, b => { b.title, b.price })
+    return OrdersService.create ('OrdersNoDraft').entries({
+      OrderNo: 'Order at '+ (new Date).toLocaleString(),
+      Items: [{ product:{ID:`${book}`}, title, price, quantity }],
+      buyer, createdBy: buyer
+    })
+  })
+
+  //
+  // Update Books' average ratings when ReviewsService signals updated reviews
+  //
+  ReviewsService.on ('reviewed', (msg) => {
+    console.debug ('> received:', msg.event, msg.data) // eslint-disable-line no-console
+    const { subject, count, rating } = msg.data
+    return UPDATE(Books,subject).with({ numberOfReviews:count, rating })
+  })
+
+  //
+  // Reduce stock of ordered books for orders are created from Orders admin UI
+  //
+  OrdersService.on ('OrderChanged', (msg) => {
+    console.debug ('> received:', msg.event, msg.data) // eslint-disable-line no-console
+    const { product, deltaQuantity } = msg.data
+    return UPDATE (Books) .where ('ID =', product)
+    .and ('stock >=', deltaQuantity)
+    .set ('stock -=', deltaQuantity)
+  })
+})

bookstore/srv/trees.js

@@ -0,0 +1,50 @@
+const cds = require('@sap/cds/lib')
+
+// PoC for simplified Fiori Tree Views
+cds.on('compile.for.runtime', csn => {
+  for (let each of cds.linked(csn).definitions) {
+    if (each.is_entity && each._service && each['@hierarchy']) _hierarchy (each)
+  }
+})
+
+
+const _hierarchy = entity => {
+
+  // Add annotations explaining the hierarchy structure to Fiori
+  const Qualifier = entity.name.slice (entity._service.name.length+1) + 'Hierarchy'
+  const parent = _parent4(entity)
+  entity[`@Aggregation.RecursiveHierarchy#${Qualifier}.ParentNavigationProperty`] ??= {'=': parent.name }
+  entity[`@Aggregation.RecursiveHierarchy#${Qualifier}.NodeProperty`] ??= {'=': parent.keys[0].ref[0] }
+
+  // Add expected hierarchy elements to the entity
+  const columns = entity.projection.columns ??= ['*']
+  const elements = entity.elements
+  for (let e of Hierarchy.elements) {
+    entity[`@Hierarchy.RecursiveHierarchy#${Qualifier}.${e.name}`] = {'=': e.name }
+    if (e.name in elements) continue
+    const { name, value, ...rest } = e
+    elements[e.name] = Object.defineProperty ({ __proto__:e, ...rest }, 'parent', { value: entity })
+    columns.push ({ ...value, as: name, cast: { type: e.type } })
+  }
+
+  // Disable filter and sort for hierarchy elements
+  entity['@Capabilities.FilterRestrictions.NonFilterableProperties'] =
+  entity['@Capabilities.SortRestrictions.NonSortableProperties'] =
+  Object.keys (Hierarchy.elements)
+}
+
+
+const _parent4 = entity => {
+  const parent = entity['@hierarchy.parent'] || entity['@hierarchy.via']
+  if (parent) return entity.elements [parent['=']||parent]
+  else for (let e of entity.elements) // use first recursive uplink association
+    if (e.is2one && e._target === entity) return e
+}
+
+
+const { Hierarchy } = cds.linked `aspect Hierarchy {
+  LimitedDescendantCount : Int16 = null;
+  DistanceFromRoot : Int16 = null;
+  DrillState : String = null;
+  LimitedRank : Int16 = null;
+}`.definitions

bookstore/test/requests.http

@@ -0,0 +1,82 @@
+
+@bookshop = http://localhost:4004
+@reviews-service = {{bookshop}}/reviews
+# Uncomment this when running a separate reviews service
+# @reviews-service = http://localhost:4005/reviews
+
+
+
+#################################################
+#
+#   Reviews Service
+#
+
+GET {{reviews-service}}/Reviews
+Authorization: Basic me:
+
+###
+
+POST {{reviews-service}}/Reviews
+Authorization: Basic me:
+Content-Type: application/json
+
+{"subject":"201", "title":"boo", "rating":3 }
+
+
+
+#################################################
+#
+#   Bookshop Services
+#
+
+GET {{bookshop}}/browse/Books/201/reviews?
+&$select=rating,date,title
+&$top=3
+
+###
+
+GET {{bookshop}}/browse/Books(201)?
+&$select=ID,title,rating
+&$expand=reviews
+
+###
+
+GET {{bookshop}}/browse/Books?
+&$select=title,author&$expand=currency
+Accept-Language: de
+
+#################################################
+#
+#   Orders Service, incl. draft choreography
+#
+@newOrderID = e939604c-ab83-4d4f-bdb6-95fe30b3773e
+
+GET {{bookshop}}/odata/v4/orders/Orders
+
+### Create order, still inactive
+POST {{bookshop}}/odata/v4/orders/Orders
+Content-Type: application/json
+
+{"ID": "{{newOrderID}}"}
+
+### Get inactive order.  We have to specify `IsActiveEntity`.
+GET {{bookshop}}/odata/v4/orders/Orders(ID={{newOrderID}},IsActiveEntity=false)
+
+### Activate order using `.../<servicename>.draftActivate`
+POST {{bookshop}}/odata/v4/orders/Orders(ID={{newOrderID}},IsActiveEntity=false)/OrdersService.draftActivate
+Content-Type: application/json
+
+### Get active order
+GET {{bookshop}}/odata/v4/orders/Orders(ID={{newOrderID}},IsActiveEntity=true)
+
+### Create author
+POST {{bookshop}}/admin/Authors
+Content-Type: application/json
+Authorization: Basic alice:
+
+{
+  "ID": 200,
+  "name": "William Shakespeare",
+  "dateOfBirth": "1564-04-26",
+  "dateOfDeath": "1616-04-23"
+}

common/cds-plugin.js

@@ -0,0 +1 @@
+// dummy to auto-load the plugin

common/currencies.cds

@@ -0,0 +1,13 @@
+using { sap } from '@sap/cds/common';
+
+extend sap.common.Currencies with {
+  // Currencies.code = ISO 4217 alphabetic three-letter code
+  // with the first two letters being equal to ISO 3166 alphabetic country codes
+  // See also:
+  // [1] https://www.iso.org/iso-4217-currency-codes.html
+  // [2] https://www.currency-iso.org/en/home/tables/table-a1.html
+  // [3] https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.payments.developer.doc/refs/rpylerl2mst97.htm
+  numcode  : Integer;
+  exponent : Integer; //> e.g. 2 --> 1 Dollar = 10^2 Cent
+  minor    : String; //> e.g. 'Cent'
+}