Prepare for serve_on_root false

cleaned up start scripts

.eslintrc

@@ -6,7 +6,7 @@
         "jest": true
     },
     "parserOptions": {
-        "ecmaVersion": 2017
+        "ecmaVersion": 2018
     },
     "globals": {
         "SELECT": true,

.vscode/launch.json

@@ -5,19 +5,17 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "cds run",
-      "request": "launch",
-      "type": "node",
-      "runtimeExecutable": "npx",
-      "runtimeArgs": ["-n"],
-      "args": ["--", "cds", "run", "--with-mocks", "--in-memory?"], // the leading "--" arg ensures it works with as well as without debugging
+      "name": "bookshop", "request": "launch", "type": "node", "runtimeExecutable": "npx", "runtimeArgs": [ "-n" ],
+      "args": [ "--", "cds", "run", "--in-memory" ],
+      "cwd": "${workspaceFolder}/packages/bookshop",
+      "console": "integratedTerminal",
+      "skipFiles": ["<node_internals>/**"]
+    },
+    {
+      "name": "cds run ...", "request": "launch", "type": "node", "runtimeExecutable": "npx", "runtimeArgs": [ "-n" ],
+      "args": [ "--", "cds", "run", "--with-mocks", "--in-memory?" ],
       "cwd": "${workspaceFolder}/packages/${input:service}",
       "console": "integratedTerminal",
-      "serverReadyAction": {
-        "pattern": "server listening on (https?://\\S+|[0-9]+)",
-        "uriFormat": "http://localhost:%s",
-        "action": "openExternally"
-      },
       "skipFiles": ["<node_internals>/**"]
     }
   ],
@@ -31,12 +29,9 @@
         "bookstore",
         "media-server",
         "office-supplies",
-        "orders-service",
-        "products-service",
-        "reviews-service",
-        "user-service"
+        "reviews-service"
       ],
-      "default": "bookstore"
+      "default": "bookshop"
     }
   ]
 }

.vscode/settings.json

@@ -1,7 +1,6 @@
 {
   "files.exclude": {
-    "**/.gitignore": false,
-    "**/.git": false,
-    "**/.vscode": false
+    "**/.gitignore": true,
+    "**/.vscode": true
   }
 }

.vscode/tasks.json

@@ -4,23 +4,14 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "type": "shell", "label": "cds run bookshop",
-            "command": "npx", "args": [ "cds", "watch", "packages/bookshop" ],
-            "presentation": { "group": "A" },
-            "problemMatcher": []
+            "type": "npm", "script": "watch", "path": "packages/bookshop/",
+            "options": { "env": { "PORT": "4004" }},
+            "presentation": { "group": "A" }
         },
         {
-            "type": "shell", "label": "cds run bookshop-enhanced",
-            "command": "npx", "args": [ "cds", "watch", "packages/bookshop-enhanced" ],
-            "presentation": { "group": "A" },
-            "problemMatcher": []
-        },
-        {
-            "type": "shell", "label": "cds run reviews-service",
-            "command": "npx", "args": [ "cds", "watch", "packages/reviews-service" ],
-            "options": {"env": { "PORT":"5005" }},
-            "presentation": { "group": "A" },
-            "problemMatcher": []
+            "type": "npm", "script": "watch", "path": "packages/reviews-service/",
+            "options": { "env": { "PORT": "5005" }},
+            "presentation": { "group": "A" }
         }
     ]
 }

README.md

@@ -11,7 +11,7 @@ In SAP Business Application Studio, open a terminal.
 Then clone the repo with this specific branch:
 
 ```sh
-git clone https://github.com/sap-samples/cloud-cap-samples projects/cloud-cap-samples -b openSAP-week4-unit2-final
+git clone https://github.com/sap-samples/cloud-cap-samples projects/cloud-cap-samples -b openSAP-week2-unit3
 cd projects/cloud-cap-samples
 ```
 

package.json

@@ -5,23 +5,20 @@
   "author": "daniel.hutzel@sap.com",
   "private": true,
   "scripts": {
-    "cleanup": "lerna clean -y && rm -fr node_modules",
-    "install": "(npm -s run lerna) && lerna bootstrap --hoist",
     "lerna": "npx --no-install lerna -v > /dev/null || npm i lerna --no-save",
-    "test": "jest",
-    "bookshop-enhanced": "cds watch packages/bookshop-enhanced",
-    "bookshop": "cds watch packages/bookshop",
-    "bookstore": "cds watch packages/bookstore",
-    "products-service": "cds watch packages/products-service",
-    "reviews-service": "cds watch packages/reviews-service"
+    "install": "(npm -s run lerna) && lerna bootstrap --hoist",
+    "cleanup": "lerna clean -y && rm -fr node_modules",
+    "bookshop": "cds watch packages/bookshop"
   },
   "dependencies": {
     "@sap/cds": "^3",
     "express": "^4"
   },
+  "devDependencies": {
+    "sqlite3": "*"
+  },
   "--add-these-to-devDependencies-for-tests": {
     "@types/jest": "*",
-    "sqlite3": "*",
     "jest": "*"
   },
   "license": "SAP SAMPLE CODE LICENSE"

packages/bookshop/app/fiori.html

@@ -43,7 +43,7 @@
 	<script src="https://sapui5.hana.ondemand.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_belize"
+    	data-sap-ui-theme="sap_fiori_3"
     	data-sap-ui-frameOptions="allow"
 	></script>
 	<script>

packages/bookshop/db/data/sap.capire.bookshop-Orders.csv

@@ -1,5 +1,3 @@
-ID;modifiedAt;createdAt;createdBy;modifiedBy;OrderNo;currency_code;status
-da86efd0-4ba1-4078-b7f0-5c9c530297f7;;2019-01-31;ALICE;;1;EUR;processing
-2f2f2640-6866-4dcf-8f4d-3027aa831cad;;2019-03-25;ALICE;;10;EUR;completed
-64e718c9-ff99-47f1-8ca3-950c850777d4;;2019-01-30;BOB;;2;EUR;processing
-1af3322d-3cb1-46be-b312-0ae9ec311537;;2019-03-16;BOB;;9;EUR;completed
+ID;modifiedAt;createdAt;createdBy;modifiedBy;OrderNo;currency_code
+7e2f2640-6866-4dcf-8f4d-3027aa831cad;;2019-01-31;john.doe@test.com;;1;EUR
+64e718c9-ff99-47f1-8ca3-950c850777d4;;2019-01-30;jane.doe@test.com;;2;EUR

packages/bookshop/db/schema.cds

@@ -1,50 +1,36 @@
 namespace sap.capire.bookshop;
-
-using {
-  Currency,
-  managed,
-  cuid
-} from '@sap/cds/common';
-
-type Status : String enum {
-  completed;
-  processing;
-  blocked;
-}
+using { Currency, managed, cuid } from '@sap/cds/common';
 
 entity Books : managed {
-  key ID       : Integer;
-      title    : localized String(111);
-      descr    : localized String(1111);
-      author   : Association to Authors;
-      stock    : Integer;
-      price    : Decimal(9, 2);
-      currency : Currency;
-}
-
-entity Authors : managed {
-  key ID           : Integer;
-      name         : String(111);
-      dateOfBirth  : Date;
-      dateOfDeath  : Date;
-      placeOfBirth : String;
-      placeOfDeath : String;
-      books        : Association to many Books
-                       on books.author = $self;
-}
-
-entity Orders : cuid, managed {
-  OrderNo  : String       @title : 'Order Number'; //> readable key
-   status   : Status default 'processing';
-   Items    : Composition of many OrderItems
-               on Items.parent = $self;
-  total    : Decimal(9, 2)@readonly;
+  key ID : Integer;
+  title  : localized String(111);
+  descr  : localized String(1111);
+  author : Association to Authors;
+  stock  : Integer;
+  price  : Decimal(9,2);
   currency : Currency;
 }
 
+@cds.autoexpose
+entity Authors : managed {
+  key ID : Integer;
+  name   : String(111);
+  dateOfBirth  : Date;
+  dateOfDeath  : Date;
+  placeOfBirth : String;
+  placeOfDeath : String;
+  books  : Association to many Books on books.author = $self;
+}
+
+entity Orders : cuid, managed {
+  OrderNo  : String @title:'Order Number'; //> readable key
+  Items    : Composition of many OrderItems on Items.parent = $self;
+  total    : Decimal(9,2) @readonly;
+  currency : Currency;
+}
 entity OrderItems : cuid {
   parent    : Association to Orders;
   book      : Association to Books;
   amount    : Integer;
-  netAmount : Decimal(9, 2);
-}
+  netAmount : Decimal(9,2);
+}

packages/bookshop/package.json

@@ -5,24 +5,17 @@
   "license": "SAP SAMPLE CODE LICENSE",
   "dependencies": {
     "@sap/cds": "^3",
-    "express": "^4",
-    "@sap/xb-msg-amqp-v100": "^0.9.35"
-  },
-  "devDependencies": {
-    "sqlite3": "^4.1.1"
+    "express": "^4"
   },
   "scripts": {
-    "start": "npx cds run"
+    "start": "cds run --in-memory?",
+    "watch": "cds watch"
   },
   "cds": {
     "requires": {
-      "API_BUSINESS_PARTNER": {
-        "kind": "odata",
-        "model": "srv/external/API_BUSINESS_PARTNER",
-        "--credentials": {
-          "destination": "cap-api098"
-        }
+      "db": {
+        "kind": "sql"
       }
     }
   }
-}
+}

packages/bookshop/srv/admin-service.cds

@@ -1,6 +1,6 @@
 using { sap.capire.bookshop as my } from '../db/schema';
 
-service AdminService @(_requires:'authenticated-user') {
+service AdminService @(_requires:'authenticated-user',path:'/admin') {
   entity Books as projection on my.Books;
   entity Authors as projection on my.Authors;
   entity Orders as select from my.Orders;
@@ -10,7 +10,7 @@ service AdminService @(_requires:'authenticated-user') {
 annotate AdminService.Orders with @odata.draft.enabled;
 // annotate AdminService.Books with @odata.draft.enabled;
 
-// Temporary workaround -> https://github.wdf.sap.corp/cap/issues/issues/3121
+// Temporary workaround -> cap/issues#3121
 extend service AdminService with {
   entity OrderItems as select from my.OrderItems;
 }

packages/bookshop/srv/cat-service.cds

@@ -1,20 +1,9 @@
 using { sap.capire.bookshop as my } from '../db/schema';
-using { API_BUSINESS_PARTNER as external } from './external/API_BUSINESS_PARTNER.csn';
 
 @path:'/browse'
 service CatalogService {
 
-  @readonly entity Books as SELECT from my.Books {*,
-    author.name as author
-  } excluding { createdBy, modifiedBy };
-
-  @readonly entity BusinessPartners as projection on external.A_BusinessPartner {
-    key BusinessPartner as ID,
-    FirstName,
-    MiddleName,
-    LastName,
-    BusinessPartnerIsBlocked
-  };
+  @readonly entity Books as SELECT from my.Books { * } excluding { createdBy, modifiedBy };
 
   @requires_: 'authenticated-user'
   @insertonly entity Orders as projection on my.Orders;

packages/bookshop/srv/cat-service.js

@@ -1,28 +1,26 @@
 const cds = require('@sap/cds')
+const { Books } = cds.entities
 
 /** Service implementation for CatalogService */
-module.exports = cds.service.impl(async function () {
-  const { Books, Orders, BusinessPartners } = this.entities
-  const bupaSrv = await cds.connect.to('API_BUSINESS_PARTNER')
-  this.after('READ', Books, each => each.stock > 111 && _addDiscount2(each, 11))
-  this.before('CREATE', Orders, _reduceStock)
-  this.on('READ', BusinessPartners, req => bupaSrv.tx(req).run(req.query))
-
-  /** Add some discount for overstocked books */
-  function _addDiscount2(each, discount) {
-    each.title += ` -- ${discount}% discount!`
-  }
-
-  /** Reduce stock of ordered books if available stock suffices */
-  async function _reduceStock(req) {
-    const { Items: OrderItems } = req.data
-    return cds.transaction(req).run(() => OrderItems.map(order =>
-      UPDATE(Books).set('stock -=', order.amount)
-        .where('ID =', order.book_ID).and('stock >=', order.amount)
-    )).then(all => all.forEach((affectedRows, i) => {
-      if (affectedRows === 0) req.error(409,
-        `${OrderItems[i].amount} exceeds stock for book #${OrderItems[i].book_ID}`
-      )
-    }))
-  }
+module.exports = cds.service.impl(function() {
+  this.after ('READ', 'Books', each => each.stock > 111 && _addDiscount2(each,11))
+  this.before ('CREATE', 'Orders', _reduceStock)
 })
+
+/** Add some discount for overstocked books */
+function _addDiscount2 (each,discount) {
+  each.title += ` -- ${discount}% discount!`
+}
+
+/** Reduce stock of ordered books if available stock suffices */
+async function _reduceStock (req) {
+  const { Items: OrderItems } = req.data
+  return cds.transaction(req) .run (()=> OrderItems.map (order =>
+    UPDATE (Books) .set ('stock -=', order.amount)
+    .where ('ID =', order.book_ID) .and ('stock >=', order.amount)
+  )) .then (all => all.forEach ((affectedRows,i) => {
+    if (affectedRows === 0)  req.error (409,
+      `${OrderItems[i].amount} exceeds stock for book #${OrderItems[i].book_ID}`
+    )
+  }))
+}

packages/bookshop/srv/external/data/API_BUSINESS_PARTNER-A_BusinessPartner.csv

@@ -1,4 +0,0 @@
-BusinessPartner;FirstName;MiddleName;LastName;BusinessPartnerIsBlocked
-ALICE;Alice;In;Wonderland;false
-BOB;Bob;The;Builder;false
-JABBA;Jabba;The;Hutt;true

packages/bookshop/tests/bookshop.http

@@ -1,18 +1,14 @@
-### Service Document
-GET http://localhost:4004/browse
+### Browse Books
+GET http://localhost:4004/browse/Books
 
-### Service $metadata document
-GET http://localhost:4004/browse/$metadata
+### Browse Books with expanded Authors
+GET http://localhost:4004/browse/Books?$expand=author
 
-### Browsing Books
-GET http://localhost:4004/browse/Books?
-# &$select=title,author
-# &$expand=currency
-# &sap-language=de
+### Try to insert into Books
+POST http://localhost:4004/browse/Books
+Content-Type: application/json
 
-### Browsing Authors
-GET http://localhost:4004/admin/Authors?
-# &$select=name,dateOfBirth,placeOfBirth
-# &$expand=books($select=title;$expand=currency)
-# &$filter=ID eq 101
-# &sap-language=de
+{ 
+    "title": "Anna Karenina",
+    "stock": 10
+}

packages/bookshop/tests/orders.http

@@ -1,18 +1,15 @@
-
-### List Books with their current stocks
-GET http://localhost:4004/admin/Books?$select=ID,stock
-
-### List all Orders
+### List all Orders - deep read
 GET http://localhost:4004/admin/Orders?
 &$expand=Items
 
-### Submit Orders
+### Submit Orders - deep insert
 POST http://localhost:4004/browse/Orders
 Content-Type: application/json
 
-{ "OrderNo":"2019-09...", "Items":[
+{ "OrderNo":"1234", "Items":[
     { "book_ID":201, "amount":5 },
     { "book_ID":207, "amount":3 }
 ]}
 
-# Sending this three times should result in a 409: 5 exceeds stock for book #201
+### Try to get the Orders
+GET http://localhost:4004/browse/Orders