cosmetics

.env

@@ -1 +0,0 @@
-# cdsc

.vscode/launch.json

@@ -5,30 +5,27 @@
   "version": "0.2.0",
   "configurations": [
   {
-      "name": "bookshop",
+    "name": "Attach by Process ID",
-      "command": "npx cds watch bookshop",
+    "processId": "${command:PickProcess}",
-      "type": "node-terminal",
+    "request": "attach",
-      "request": "launch",
     "skipFiles": [
-        "<node_internals>/**",
+      "<node_internals>/**"
-        "**/node_modules/**",
+    ],
-        "**/cds/lib/lazy.js",
+    "type": "pwa-node"
-        "**/cds/lib/req/cls.js",
-        "**/odata-v4/okra/**"
-      ]
   },
     {
-      "name": "Fiori App",
+      "name": "bookshop",
-      "command": "npx cds watch fiori",
+      "command": "cds watch bookshop",
-      "type": "node-terminal",
       "request": "launch",
-      "skipFiles": [
+      "type": "node-terminal",
-        "<node_internals>/**",
+      "skipFiles": ["<node_internals>/**"]
-        "**/node_modules/**",
+    },
-        "**/cds/lib/lazy.js",
+    {
-        "**/cds/lib/req/cls.js",
+      "name": "Fiori app",
-        "**/odata-v4/okra/**"
+      "command": "cds watch fiori",
-      ]
+      "request": "launch",
+      "type": "node-terminal",
+      "skipFiles": ["<node_internals>/**"]
     }
   ],
   "inputs": [
@@ -36,7 +33,7 @@
       "type": "pickString",
       "id": "sample",
       "description": "Which sample do you want to start?",
-      "options": [ "bookshop", "fiori", "reviews", "reviews" ],
+      "options": ["bookshop", "fiori", "reviews", "reviews/test/bookshop"],
       "default": "bookshop"
     }
   ]

.vscode/settings.json

@@ -4,14 +4,5 @@
     "**/.gitignore": true,
     "**/.vscode": true,
     "LICENSES/**": true
-  },
+  }
-  "debug.javascript.terminalOptions": {
-    "skipFiles": [
-      "<node_internals>/**",
-      "**/node_modules/**",
-      "**/cds/lib/lazy.js",
-      "**/cds/lib/req/cls.js",
-      "**/odata-v4/okra/**"
-    ]
-  },
 }

README.md

@@ -83,4 +83,4 @@ In case you've a question, find a bug, or otherwise need support, use our [commu
 
 ## License
 
-Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, version 2.0 except as noted otherwise in the [LICENSE](LICENSE.txt) file.
+Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, version 2.0 except as noted otherwise in the [LICENSE](LICENSES/Apache-2.0.txt) file.

bookshop/db/schema.cds

@@ -1,4 +1,4 @@
-using { Currency, managed, temporal, sap } from '@sap/cds/common';
+using { Currency, managed, sap } from '@sap/cds/common';
 namespace sap.capire.bookshop;
 
 entity Books : managed {

bookshop/package.json

@@ -4,7 +4,7 @@
   "description": "A simple self-contained bookshop service.",
   "dependencies": {
     "@capire/common": "*",
-    "@sap/cds": "^5.0.4",
+    "@sap/cds": ">=4",
     "express": "^4.17.1",
     "passport": "0.4.1"
   },
@@ -16,7 +16,8 @@
   "cds": {
     "requires": {
       "db": {
-        "kind": "sql"
+        "kind": "sqlite",
+        "model": "*"
       }
     }
   }

bookshop/srv/admin-service.cds

@@ -1,27 +1,5 @@
 using { sap.capire.bookshop as my } from '../db/schema';
 service AdminService @(requires:'admin') {
-
+  entity Books as projection on my.Books;
-  entity Books as SELECT from my.Books { *,
-    // key ID, key validFrom
-  };
   entity Authors as projection on my.Authors;
-
-  // @cds.redirection.target:false
-  // entity Books.history @(cds.temporal:false) as projection on Books {
-  //   *,
-  //   key ID,
-  //   key validFrom @(cds.valid.from:false),
-  //   validTo @(cds.valid.to:false),
-  // };
-}
-
-// entity NonTemporalBook as projection on my.Books {
-//       *,
-//     key ID,
-//     key validFrom @(cds.valid.from:false),
-//     validTo @(cds.valid.to:false),
-// };
-
-extend my.Books with {
-  history : Composition of many my.Books on history.ID = $self.ID;
 }

bookshop/srv/cat-service.js

@@ -5,10 +5,10 @@ class CatalogService extends cds.ApplicationService { init(){
 
   // Reduce stock of ordered books if available stock suffices
   this.on ('submitOrder', async req => {
-    const {book,amount} = req.data
+    const {book,amount} = req.data, tx = cds.tx(req)
-    let {stock} = await SELECT `stock` .from (Books,book)
+    let {stock} = await tx.read('stock').from(Books,book)
     if (stock >= amount) {
-      await UPDATE (Books,book) .with (`stock -=`, amount)
+      await tx.update (Books,book).with ({ stock: stock -= amount })
       await this.emit ('OrderedBook', { book, amount, buyer:req.user.id })
       return { stock }
     }
@@ -16,8 +16,10 @@ class CatalogService extends cds.ApplicationService { init(){
   })
 
   // Add some discount for overstocked books
-  this.after ('READ','ListOfBooks', each => {
+  this.after ('READ','Books', each => {
-    if (each.stock > 111) each.title += ` -- 11% discount!`
+    if (each.stock > 111) {
+      each.title += ` -- 11% discount!`
+    }
   })
 
   return super.init()

bookshop/srv/server.js

@@ -0,0 +1,19 @@
+const cds = require ('@sap/cds')
+
+cds.on('listening', async ()=>{ try { //> just to see the output at the end; will later on be in db service impl
+  console.log ('\nFilling database with initial data...')
+  const m = cds.model.minified() //> we likely should do that by default
+  const tx = cds.tx()
+  tx.run ([ //> this will be replaced by
+    DELETE.from ('sap.capire.bookshop.Authors'),
+    DELETE.from ('sap.capire.bookshop.Books'),
+    DELETE.from ('sap.capire.bookshop.Books.texts'),
+    DELETE.from ('sap.capire.bookshop.Genres'),
+    DELETE.from ('sap.common.Currencies'),
+    DELETE.from ('sap.common.Currencies.texts'),
+  ])
+  await cds.deploy(m).to(tx,{ddl:false})
+  await tx.commit()
+} catch(e) { console.error(e) }})
+
+module.exports = cds.server

orders/db/schema.cds

@@ -13,7 +13,7 @@ entity Orders_Items {
   up_       : Association to Orders;
   product   : Association to Products @assert.integrity:false; // REVISIT: this is a temporary workaround for a glitch in cds-runtime
   amount    : Integer;
-  title     : String; //> intentionally replicated as snapshot from product.title
+  title     : String;
   price     : Double;
 }
 

package.json

@@ -20,7 +20,6 @@
     "sqlite3": "^5.0.0"
   },
   "scripts": {
-    "cleanup": "rm -rf node_modules && rm -rf */node_modules && rm -rf */*/node_modules",
     "registry": "node .registry/server.js",
     "bookshop": "cds watch bookshop",
     "fiori": "cds watch fiori",

reviews/readme.md

@@ -2,10 +2,10 @@
 
 ## Run all-in-one
 
-Open a terminal window and run the `fiori` app in it:
+Open a terminal window and run the bookshop in it:
 
 ```sh
-npm run fiori
+npm run bookshop
 ```
 
 
@@ -17,8 +17,8 @@ Open two terminal windows. In the first one start the reviews service stand-alon
 npm run reviews-service
 ```
 
-In the second one start the `fiori` app:
+In the second one start the bookshop:
 
 ```sh
-npm run fiori
+npm run bookshop
 ```

test/hierarchical-data.test.js

@@ -1,10 +1,11 @@
 const {expect} = require('../test')
 const cds = require('@sap/cds/lib')
 
+// monkey patching older releases:
+if (!cds.compile.cdl) cds.compile.cdl = cds.parse
 const { parse:cdr } = cds.ql
 
-// should become cds.compile(...) when cds5 is released
+const model = cds.compile.cdl (`
-const model = cds.compile.to.csn (`
   entity Categories {
     key ID   : Integer;
     name     : String;

test/index.js

@@ -1,2 +1,6 @@
-const cds = require('@sap/cds')
+
-module.exports = cds.test.in(__dirname,'..')
+const test = require('@sap/cds/lib/utils/tests').in(__dirname,'..')
+module.exports = Object.assign(test,{run:test})
+
+// REVISIT: With upcoming release of @sap/cds this should become:
+// module.exports = require('@sap/cds/tests').in(__dirname,'..')

test/messaging.test.js

@@ -20,11 +20,11 @@ describe('Messaging', ()=>{
 
     let N=0, received=[], M=0
     it ('should add messaging event handlers', ()=>{
-        srv.on('reviewed', (msg)=> received.push(msg))
+        srv.on('reviewed', (msg,next)=> { received.push(msg); return next() })
     })
 
     it ('should add more messaging event handlers', ()=>{
-        srv.on('reviewed', ()=> ++M)
+        srv.on('reviewed', (_,next)=> { ++M; return next() })
     })
 
     it ('should add review', async ()=>{