Separated reviewed and reviews
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@@ -12,7 +12,7 @@
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},
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"scripts": {
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"reviews-service": "cds watch",
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"bookshop": "cds watch test/bookshop"
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"books-reviewed": "cds watch ../reviewed"
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},
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"cds": {
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"requires": {
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@@ -1,36 +0,0 @@
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#################################################
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#
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# To ReviewsService mocked in bookshop process
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#
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GET http://localhost:4004/reviews/Reviews?
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###
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POST http://localhost:4004/reviews/Reviews
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Content-Type: application/json;IEEE754Compatible=true
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{"subject":"201", "title":"boo"}
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#################################################
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#
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# Bookshop Requests involving reviews
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# (both in-process as well as separate one)
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#
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### Request to CatalogService > delegated to ReviewsService
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GET http://localhost:4004/browse/Books(201)/reviews?
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&$select=rating,date,reviewer,title
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### Alternative OData URL
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GET http://localhost:4004/browse/Books/201/reviews?
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&$select=rating,date,reviewer,title
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###
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GET http://localhost:4004/browse/Books(201)?
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&$select=ID,title,rating
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&$expand=reviews
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# Note: the $expand only works in case of ReviewsService in same process
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@@ -1,13 +0,0 @@
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#################################################
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#
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# To ReviewsService running as separate process
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#
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GET http://localhost:5005/reviews/Reviews?
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###
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POST http://localhost:5005/reviews/Reviews
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Content-Type: application/json;IEEE754Compatible=true
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{"subject":"201", "title":"boo"}
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@@ -1,23 +0,0 @@
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{
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"name": "@capire/bookshop-with-reviews",
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"version": "1.0.0",
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"dependencies": {
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"@capire/bookshop": "../../../bookshop",
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"@capire/reviews": "..",
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"@sap/cds": "^3.33.1",
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"express": "^4.17.1"
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},
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"cds": {
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"requires": {
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"db": {
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"kind": "sql"
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},
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"ReviewsService": {
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"kind": "odata", "model": "@capire/reviews"
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},
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"messaging": {
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"kind": "file-based-messaging"
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}
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}
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}
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}
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@@ -1,16 +0,0 @@
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//
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// Extending Books with Reviews
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//
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using { sap.capire.bookshop.Books } from '@capire/bookshop';
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using { ReviewsService.Reviews } from '@capire/reviews';
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extend Books with {
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/** Access to detailed collection of Reviews */
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reviews : Composition of many Reviews on reviews.subject = $self.ID;
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/** Average rating */
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rating : Reviews.rating;
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}
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// Temporary workaround for cap/issues#4112:
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annotate Reviews with @cds.autoexpose;
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@@ -1,51 +0,0 @@
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////////////////////////////////////////////////////////////////////////////
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//
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// This is an example of using a project-local server.js to intercept
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// the default bootstrapping process.
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//
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const cds = require ('@sap/cds')
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// Mashup services after all are served...
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cds.once('served', async()=>{
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// react on event messages from reviews service
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const ReviewsService = await cds.connect.to ('ReviewsService')
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const db = await cds.connect.to ('db')
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ReviewsService.on ('reviewed', (msg) => {
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console.debug ('> received:', msg.event, msg.data)
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const { Books } = db.entities('sap.capire.bookshop')
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const { subject, rating } = msg.data
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const tx = db.tx (msg) // TODO: db.tx(msg) fully implemented?
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return tx.update (Books,subject) .with ({rating})
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})
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// delegate requests to read reviews to ReviewsService
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const CatalogService = await cds.connect.to ('CatalogService')
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CatalogService.impl (srv => srv.on ('READ', 'Books/reviews', (req) => {
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console.debug ('> delegating to ReviewsService')
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const { Reviews } = ReviewsService.entities
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const [ subject ] = req.params
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const tx = ReviewsService.tx (req)
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return tx.read (Reviews) .where({subject}) .columns (req.query.SELECT.columns)
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}))
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})
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// Other bootstrapping events you could hook in to...
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/* eslint-disable no-unused-vars */
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cds.on('bootstrap',(app) => {/* ... */})
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cds.on('loaded', (model) => {/* ... */})
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cds.on('connect', (srv) => {/* ... */})
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cds.on('serving', (srv) => {/* ... */})
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cds.once('listening', ({server,url}) => {/* ... */})
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// Delegate bootstrapping to built-in server.js
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module.exports = cds.server
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// Monkey-patching older releases
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if (cds.version < '3.33.4') cds.once('listening', ()=> cds.emit('served'))
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// Launch server if started directly from command-line
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if (!module.parent) cds.server()
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