cleaner

packages/bookshop/package.json

@@ -4,6 +4,7 @@
   "description": "A simple bookshop application, build in a self-contained all-in-one fashion, i.e. w/o reusing other packages.",
   "license": "SAP SAMPLE CODE LICENSE",
   "dependencies": {
+    "@sap/xb-msg-amqp-v100": "latest",
     "@sap/cds": "latest",
     "express": "*"
   },
@@ -18,10 +19,16 @@
       "API_BUSINESS_PARTNER": {
         "kind": "odata",
         "model": "srv/external/API_BUSINESS_PARTNER",
-        "--credentials": {
+        "credentials": {
           "destination": "cap-api098"
         }
+      },
+      "messaging": {
+        "kind": "enterprise-messaging",
+        "credentials": {
+          "prefix": "sap/S4HANAOD/c098/BO"
+        }
       }
     }
   }
-}
+}

packages/bookshop/srv/cat-service.cds

@@ -9,7 +9,7 @@ service CatalogService {
   } excluding { createdBy, modifiedBy };
 
   @readonly entity Addresses as projection on A_BusinessPartnerAddress {
-    key AddressID,
+    key AddressID as ID,
     key BusinessPartner,
     StreetName,
     HouseNumber,
@@ -18,8 +18,8 @@ service CatalogService {
     Country
   };
 
-  event OrdersOutdated {
-    orders: array of my.Orders
+  event OrderOutdated { 
+    ID: UUID;
   };
 
   @requires_: 'authenticated-user'

packages/bookshop/srv/cat-service.js

@@ -10,9 +10,8 @@ module.exports = cds.service.impl(async function () {
   bupaSrv.on('BusinessPartner/Changed', async msg => {
     console.log('>> Received message', msg.data)
     const BUSINESSPARTNER = msg.data.KEY[0].BUSINESSPARTNER
-    const orders = await cds.tx(msg).run(SELECT.from(Orders).where({ createdBy: BUSINESSPARTNER }))
-    this.emit('OrdersOutdated', { orders })
-    console.log('<< Emitting message', { orders })
+    const orders = await cds.tx(msg).run(SELECT('ID').from(Orders).where({ createdBy: BUSINESSPARTNER }))
+    orders.forEach(order => this.emit('OrderOutdated', order) && console.log('<< Emitting message', order))
   })
 
   /** Add some discount for overstocked books */