Compare commits

..

1 Commits

Author SHA1 Message Date
Daniel
fc3afc51e6 Remove workaround for authorization glitch 2020-11-21 01:35:24 +01:00
23 changed files with 66 additions and 107 deletions

View File

@@ -21,7 +21,6 @@
},
"rules": {
"no-console": "off",
"require-atomic-updates": "off",
"require-await":"warn"
"require-atomic-updates": "off"
}
}

0
bookshop/sqlite.db Normal file
View File

View File

@@ -7,6 +7,6 @@ module.exports = cds.service.impl (function(){
/** Generate primary keys for target entity in request */
async function genid (req) {
const {ID} = await SELECT.one.from(req.target).columns('max(ID) as ID')
const {ID} = await cds.tx(req).run (SELECT.one.from(req.target).columns('max(ID) as ID'))
req.data.ID = ID - ID % 100 + 100 + 1
}

View File

@@ -1,12 +1,12 @@
using { sap.capire.bookshop as my } from '../db/schema';
service CatalogService @(path:'/browse') {
@readonly entity Books as SELECT from my.Books { *,
@readonly entity Books as SELECT from my.Books {*,
author.name as author
} excluding { createdBy, modifiedBy };
@readonly entity ListOfBooks as SELECT from Books
excluding { descr };
excluding { descr, stock };
@requires: 'authenticated-user'
action submitOrder ( book: Books:ID, amount: Integer ) returns { stock: Integer };

View File

@@ -1,30 +1,25 @@
const cds = require('@sap/cds')
const { Books } = cds.entities ('sap.capire.bookshop')
class CatalogService extends cds.ApplicationService { init(){
// Reflect entities from model
const { Books } = cds.entities ('sap.capire.bookshop')
class CatalogService extends cds.ApplicationService { async init(){
// Reduce stock of ordered books if available stock suffices
this.on ('submitOrder', async req => {
const {book,amount} = req.data
// Read stock from database
let {stock} = await SELECT.from (Books, book, b => b.stock)
const {book,amount} = req.data, tx = cds.tx(req)
let {stock} = await tx.read('stock').from(Books,book)
if (stock >= amount) {
// Reduce stock by ordered amount
await UPDATE (Books,book) .with ({ stock: stock -= amount })
// Emit event to inform others
await this.emit ('OrderedBook', { book, amount, buyer:req.user.id })
// Return reduced stock to caller
return req.reply ({ stock })
await tx.update (Books,book).with ({ stock: stock -= amount })
this.emit ('OrderedBook', { book, amount, buyer:req.user.id })
return { stock }
}
// Return error about insufficient stock
else return req.error (409,`${amount} exceeds stock for book #${book}`)
})
// Add some discount for overstocked books
this.after ('READ','Books', each => {
if (each.stock > 111) each.title += ` -- 11% discount!`
if (each.stock > 111) {
each.title += ` -- 11% discount!`
}
})
return super.init()

View File

@@ -1,8 +1,4 @@
{
"name": "@capire/common",
"description": "Provides a pre-built extension package for std @sap/cds/common",
"version": "1.0.0",
"dependencies": {
"@sap/cds": "latest"
}
"version": "1.0.0"
}

View File

@@ -5,17 +5,13 @@
module.exports = async()=>{ // called by server.js
const cds = require('@sap/cds')
// Connect to services to mashup
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...
// reflect entity definitions used below...
const { Books } = db.entities ('sap.capire.bookshop')
const { Orders } = OrdersService.entities
const { Reviews } = ReviewsService.entities
//
// Delegate requests to read reviews to the ReviewsService
@@ -24,7 +20,7 @@ module.exports = async()=>{ // called by server.js
CatalogService.prepend (srv => srv.on ('READ', 'Books/reviews', (req) => {
console.debug ('> delegating request to ReviewsService')
const [id] = req.params, { columns, limit } = req.query.SELECT
return SELECT.from (Reviews,columns).limit(limit).where({subject:String(id)})
return ReviewsService.tx(req).read ('Reviews',columns).limit(limit).where({subject:String(id)})
}))
//
@@ -32,9 +28,8 @@ module.exports = async()=>{ // called by server.js
//
CatalogService.on ('OrderedBook', async (msg) => {
const { book, amount, buyer } = msg.data
const { title, price } = await SELECT.from (Books, book, b => { b.title, b.price })
// FIXME: Fails due to Draft glitches when OrdersService is remote
return INSERT.into (Orders).entries({
const { title, price } = await db.tx(msg).read (Books, book, b => { b.title, b.price })
return OrdersService.tx(msg).create ('Orders').entries({
OrderNo: 'Order at '+ (new Date).toLocaleString(),
Items: [{ product:{ID:`${book}`}, title, price, amount }],
buyer, createdBy: buyer
@@ -47,18 +42,18 @@ module.exports = async()=>{ // called by server.js
ReviewsService.on ('reviewed', (msg) => {
console.debug ('> received:', msg.event, msg.data)
const { subject, rating } = msg.data
return UPDATE (Books,subject) .with ({rating})
return UPDATE(Books,subject).with({rating})
// ^ Note: the framework will execute this and take care for db.tx
})
//
// Reduce stock of ordered books when orders are modified in admin UI
// Reduce stock of ordered books for orders are created from Orders admin UI
//
OrdersService.on ('OrderChanged', (msg) => {
OrdersService.on ('OrderChanged', async (msg) => {
console.debug ('> received:', msg.event, msg.data)
const { product, deltaAmount } = msg.data
return UPDATE (Books) .where ('ID =', product)
.and ('stock >=', deltaAmount)
.set ('stock -=', deltaAmount)
})
}

View File

@@ -42,24 +42,7 @@ GET {{bookshop}}/browse/Books(201)?
#################################################
#
# Orders Service, incl. draft choreography
# Orders Service
#
@newOrderID = e939604c-ab83-4d4f-bdb6-95fe30b3773e
GET {{bookshop}}/orders/Orders
### Create order, still inactive
POST {{bookshop}}/orders/Orders
Content-Type: application/json
{"ID": "{{newOrderID}}"}
### Get inactive order. We have to specify `IsActiveEntity`.
GET {{bookshop}}/orders/Orders(ID={{newOrderID}},IsActiveEntity=false)
### Activate order using `.../<servicename>.draftActivate`
POST {{bookshop}}/orders/Orders(ID={{newOrderID}},IsActiveEntity=false)/OrdersService.draftActivate
Content-Type: application/json
### Get active order
GET {{bookshop}}/orders/Orders(ID={{newOrderID}},IsActiveEntity=true)

View File

@@ -18,7 +18,7 @@ entity Orders_Items {
}
/** This is a stand-in for arbitrary ordered Products */
entity Products @(cds.persistence.skip:'always',cds.autoexpose) {
entity Products @(cds.persistence.skip:'always') {
key ID : String;
}

View File

@@ -8,15 +8,19 @@ class OrdersService extends cds.ApplicationService {
this.before ('UPDATE', 'Orders', async function(req) {
const { ID, Items } = req.data
if (Items) for (let { product_ID, amount } of Items) {
const { amount:before } = await SELECT.one.from (OrderItems, oi => oi.amount) .where ({up__ID:ID, product_ID})
if (amount != before) await this.orderChanged (product_ID, amount-before)
const { amount:before } = await cds.tx(req).run (
SELECT.one.from (OrderItems, oi => oi.amount) .where ({up__ID:ID, product_ID})
)
if (amount != before) this.orderChanged (product_ID, amount-before)
}
})
this.before ('DELETE', 'Orders', async function(req) {
const { ID } = req.data
const Items = await SELECT.from (OrderItems, oi => { oi.product_ID, oi.amount }) .where ({up__ID:ID})
if (Items) await Promise.all (Items.map(it => this.orderChanged (it.product_ID, -it.amount)))
const Items = await cds.tx(req).run (
SELECT.from (OrderItems, oi => { oi.product_ID, oi.amount }) .where ({up__ID:ID})
)
if (Items) for (let it of Items) this.orderChanged (it.product_ID, -it.amount)
})
return super.init()

View File

@@ -31,9 +31,6 @@
"mocha": {
"parallel": true
},
"engines": {
"node": ">= 12.18"
},
"jest": {
"testEnvironment": "node"
},

View File

@@ -37,7 +37,7 @@ const reviews = new Vue ({
reviews.message = {}
},
newReview () {
async newReview () {
reviews.review = {}
reviews.message = {}
setTimeout (()=> $('form > input').focus(), 111)

View File

@@ -27,14 +27,7 @@ service ReviewsService {
annotate ReviewsService.Reviews with @restrict:[
{ grant:'READ', to:'any' }, // everybody can read reviews
{ grant:'CREATE', to:'authenticated-user' }, // users must login to add reviews
/////////////////////////////////////////////////
//
// Temporarily disabling this due to glitch in CAP Node.js runtime:
// { grant:'UPDATE', to:'authenticated-user', where:'reviewer=$user' },
// -> reenable it when the issue is fixed
{ grant:'UPDATE', to:'authenticated-user' },
//
////////////////////////////////////////////////////
{ grant:'UPDATE', to:'authenticated-user', where:'reviewer=$user' },
{ grant:'DELETE', to:'admin' },
];

View File

@@ -1,5 +1,5 @@
const cds = require ('@sap/cds')
module.exports = cds.service.impl (function(){
module.exports = cds.service.impl (async function(){
// Get the CSN definition for Reviews from the db schema for sub-sequent queries
// ( Note: we explicitly specify the namespace to support embedded reuse )
@@ -12,16 +12,19 @@ module.exports = cds.service.impl (function(){
// Emit an event to inform subscribers about new avg ratings for reviewed subjects
this.after (['CREATE','UPDATE','DELETE'], 'Reviews', async function(_,req) {
const {subject} = req.data
const {rating} = await SELECT.one (['round(avg(rating),2) as rating']) .from (Reviews) .where ({subject})
const {rating} = await cds.tx(req) .run (
SELECT.one (['round(avg(rating),2) as rating']) .from (Reviews) .where ({subject})
)
global.it || console.log ('< emitting:', 'reviewed', { subject, rating })
await this.emit ('reviewed', { subject, rating })
this.emit ('reviewed', { subject, rating })
})
// Increment counter for reviews considered helpful
this.on ('like', (req) => {
if (!req.user) return req.reject(400, 'You must be identified to like a review')
const {review} = req.data, {user} = req
return cds.run ([
const tx = cds.tx(req)
return tx.run ([
INSERT.into (Likes) .entries ({review_ID: review, user: user.id}),
UPDATE (Reviews) .set({liked: {'+=': 1}}) .where({ID:review})
]).catch(() => req.reject(400, 'You already liked that review'))
@@ -31,8 +34,9 @@ module.exports = cds.service.impl (function(){
this.on ('unlike', async (req) => {
if (!req.user) return req.reject(400, 'You must be identified to remove a former like of yours')
const {review} = req.data, {user} = req
const affectedRows = await DELETE.from (Likes) .where ({review_ID: review,user: user.id})
if (affectedRows === 1) return UPDATE (Reviews) .set ({liked: {'-=': 1}}) .where ({ID:review})
const tx = cds.tx(req)
const affectedRows = await tx.run (DELETE.from (Likes) .where ({review_ID: review,user: user.id}))
if (affectedRows === 1) return tx.run (UPDATE (Reviews) .set ({liked: {'-=': 1}}) .where ({ID:review}))
})
})

View File

@@ -1,5 +1,5 @@
const { expect } = require('../test')
const cds = require('@sap/cds/lib')
const { expect } = cds.test
const CQL = ([cql]) => cds.parse.cql(cql)
const Foo = { name: 'Foo' }
const Books = { name: 'capire.bookshop.Books' }

View File

@@ -1,7 +1,7 @@
const { expect } = require('../test') .run (
'serve', 'AdminService', '--from', '@capire/bookshop,@capire/common', '--in-memory'
)
const cds = require('@sap/cds/lib')
const { expect } = cds.test (
'serve', 'AdminService', '--from', '@capire/bookshop,@capire/common', '--in-memory'
).in(__dirname)
describe('Consuming Services locally', () => {
//

View File

@@ -1,7 +1,5 @@
const { GET, POST, expect } = require('../test') .run ('bookshop')
const cds = require('@sap/cds/lib')
if (cds.User.default) cds.User.default = cds.User.Privileged // hard core monkey patch
else cds.User = cds.User.Privileged // hard core monkey patch for older cds releases
const cds = require('@sap/cds/lib'); cds.User = cds.User.Privileged // skip auth
const { GET, POST, expect } = cds.test('bookshop').in(__dirname,'..')
describe('Custom Handlers', () => {

View File

@@ -1,4 +1,5 @@
const { GET, expect } = require('../test') .run ('serve','hello/world.cds')
const cds = require('@sap/cds/lib')
const { GET, expect } = cds.test('serve','hello/world.cds').in(__dirname,'..')
describe('Hello world!', () => {

View File

@@ -1,5 +1,6 @@
const {expect} = require('../test')
const cwd = process.cwd(); process.chdir (__dirname) //> only for internal CI/CD@SAP
const cds = require('@sap/cds/lib')
const {expect} = cds.test
// monkey patching older releases:
if (!cds.compile.cdl) cds.compile.cdl = cds.parse
@@ -24,6 +25,8 @@ describe('Hierarchical Data', ()=>{
expect (cds.db.model) .to.exist
})
after(()=> process.chdir(cwd))
it ('supports deeply nested inserts', ()=> INSERT.into (Cats,
{ ID:100, name:'Some Cats...', children:[
{ ID:101, name:'Cat', children:[

View File

@@ -1,6 +0,0 @@
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,'..')

View File

@@ -1,7 +1,5 @@
const { GET, expect } = require('../test') .run ('serve', 'test/localized-data.cds', '--in-memory')
const cds = require('@sap/cds/lib')
if (cds.User.default) cds.User.default = cds.User.Privileged // hard core monkey patch
else cds.User = cds.User.Privileged // hard core monkey patch for older cds releases
const cds = require('@sap/cds/lib'); cds.User = cds.User.Privileged // skip auth
const { GET, expect } = cds.test ('serve', __dirname+'/localized-data.cds', '--in-memory')
describe('Localized Data', () => {

View File

@@ -1,11 +1,13 @@
const { expect } = require('../test')
const cds = require('@sap/cds/lib')
const cwd = process.cwd(); process.chdir (__dirname) //> only for internal CI/CD@SAP
const {expect} = cds.test
const _model = '@capire/reviews'
if (cds.User.default) cds.User.default = cds.User.Privileged // hard core monkey patch
else cds.User = cds.User.Privileged // hard core monkey patch for older cds releases
cds.User = cds.User.Privileged // hard core monkey patch
describe('Messaging', ()=>{
after(()=> process.chdir(cwd))
it ('should bootstrap sqlite in-memory db', async()=>{
const db = await cds.deploy (_model) .to ('sqlite::memory:')
await db.delete('Reviews')

View File

@@ -1,11 +1,8 @@
const { GET, expect } = require('../test') .run ('bookshop')
const cds = require('@sap/cds/lib')
if (cds.User.default) cds.User.default = cds.User.Privileged // hard core monkey patch
else cds.User = cds.User.Privileged // hard core monkey patch for older cds releases
const cds = require('@sap/cds/lib'); cds.User = cds.User.Privileged // skip auth
const { GET, expect } = cds.test('bookshop').in(__dirname,'..')
describe('OData Protocol', () => {
it('serves $metadata documents in v4', async () => {
const { headers, status, data } = await GET `/browse/$metadata`
expect(status).to.equal(200)