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Aligned content with latest capire docs

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Daniel
2020-03-29 17:22:04 +02:00
parent 251d07f38e
commit a8de029389
7 changed files with 60 additions and 25 deletions
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1
.eslintrc
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@@ -1,6 +1,7 @@
{
"extends": "eslint:recommended",
"env": {
"browser": true,
"node": true,
"es6": true,
"jest": true

2
bookshop/test/ext.cds → bookshop/app/index.cds
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@@ -1,3 +1,3 @@
// Incorporate pre-build extensions from...
// using from '@capire/common';
using from '../../common'; //> work-around for mediocre cds-tests
// using from '@capire/common';

23
bookshop/app/vue/app.js
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@@ -1,5 +1,7 @@
/* 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 = new Vue ({
@@ -7,7 +9,8 @@ const books = new Vue ({
data: {
list: [],
info: '( click on a row to see details... )',
book: { descr:'( click on a row to see details... )' },
order: { amount:1, succeeded:'', failed:'' }
},
methods: {
@@ -15,16 +18,26 @@ const books = new Vue ({
search: ({target:{value:v}}) => books.fetch (v && '$search='+v),
async fetch (_filter='') {
const columns = 'ID,title,author,price', details = 'genre,currency'
const columns = 'ID,title,author,price,stock', details = 'genre,currency'
const {data} = await GET(`/Books?$select=${columns}&$expand=${details}&${_filter}`)
books.list = data.value
},
async inspect ({currentTarget:{id}}) {
const {data} = await GET(`/Books/${id}/descr/$value`)
books.info = data
async inspect () {
const book = books.book = books.list [event.currentTarget.rowIndex-1]
book.descr || await GET(`/Books/${book.ID}/descr/$value`) .then (({data}) => book.descr = data)
books.order = { amount:1 }
setTimeout (()=> $('form > input').focus(), 111)
},
submitOrder () { event.preventDefault()
const {book,order} = books, amount = parseInt (order.amount) || 1
POST(`/submitOrder`, { amount, book: book.ID })
.then (()=> books.order = { amount, succeeded: `Successfully orderd ${amount} item(s).` })
.catch (e=> books.order = { amount, failed: e.response.data.error.message })
GET(`/Books/${book.ID}/stock/$value`).then (res => book.stock = res.data)
}
}
})

28
bookshop/app/vue/index.html
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@@ -6,13 +6,22 @@
<link rel="stylesheet" href="https://unpkg.com/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"></script>
<style> #books tr:hover { background: #f2f2f2; cursor: pointer; } </style>
<style>
#books tr:hover { background: #f2f2f2; cursor: pointer; }
form { float:right; display:flex; flex-direction: row-reverse }
form #amount { width: 5em }
.is-success { color: #0d920d }
.has-error { color: #df1010 }
</style>
</head>
<body class="small-container", style="margin-top: 70px;">
<div id='app'>
<h1> Capire Books </h1>
<input type="text" placeholder="Search..." @input="search">
<table id='books'>
<thead>
<th> Book </th>
@@ -27,7 +36,22 @@
<td>{{ book.currency.symbol }} {{ book.price }}</td>
</tr>
</table>
<p> {{ info }} </p>
<div v-if="book.title">
<label style="text-align:right">
<span class="is-success"> {{ order.succeeded }} </span>
<span class="has-error"> {{ order.failed }} </span>
&nbsp;&nbsp; {{ book.stock }} in stock
</label>
<form @submit="submitOrder">
<input type="number" id="amount" v-model="order.amount" v-bind:class="{ 'has-error': order.failed }">
<input type="submit" value="Order:" class="muted-button">
</form>
</div>
<h4> {{ book.title }} </h4>
<p> {{ book.descr }} </p>
</div>
</body>

2
bookshop/srv/cat-service.cds
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@@ -6,5 +6,5 @@ service CatalogService @(path:'/browse') {
} excluding { createdBy, modifiedBy };
@requires_: 'authenticated-user'
action order (book : Books.ID, amount: Integer);
action submitOrder (book : Books.ID, amount: Integer);
}

27
bookshop/srv/cat-service.js
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@@ -1,23 +1,20 @@
const cds = require('@sap/cds')
module.exports = async function (){
/** Service implementation for CatalogService */
module.exports = cds.service.impl (function() {
// Get entity definitions from reflected model
const { Books } = cds.entities
// Add some discount for overstocked books
this.after ('READ', 'Books', each => {
if (each.stock > 111) each.title += ` -- 11% discount!`
})
const db = await cds.connect.to('db') // connect to database service
const { Books } = db.entities // get reflected definitions
// Reduce stock of ordered books if available stock suffices
this.on ('order', async (req) => {
const {UPDATE} = cds.ql(req), {book,amount} = req.data
this.on ('submitOrder', async req => {
const {book,amount} = req.data
const n = await UPDATE (Books, book)
.where ('stock >=', amount)
.set ('stock -=', amount)
.with ({ stock: {'-=': amount }})
.where ({ stock: {'>=': amount }})
n > 0 || 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!`
})
}

2
bookshop/test/requests.http
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@@ -22,7 +22,7 @@ GET http://localhost:4004/admin/Authors?
###
POST http://localhost:4004/browse/order
POST http://localhost:4004/browse/submitOrder
# Run that three times to get out-of-stock message
Content-Type: application/json