minor cosmetics for user service

bookshop/app/vue/app.js

@@ -44,9 +44,9 @@ const books = Vue.createApp ({
 
         async fetchUserInfo() {
             try {
-                books.user = (await axios.get('/user/Me')).data
-                if (!books.user.ID)  books.user.ID = 'anonymous'
-            } catch (err) { books.user = {}; books.user.ID = err.message }
+                const { data } = await axios.get('/user/me')
+                books.user = data
+            } catch (err) { books.user = { id: err.message } }
         }
     }
 }).mount("#app")

bookshop/app/vue/index.html

@@ -19,7 +19,7 @@
 <div id='app'>
 
     <div v-if="user" class="user">
-        <div>User: {{ user.ID || 'anonymous' }}</div>
+        <div>User: {{ user.id || 'anonymous' }}</div>
         <div>Locale: {{ user.locale }}</div>
         <div v-if="user.tenant">Tenant: {{ user.tenant }}</div>
     </div>

bookshop/srv/user-service.cds

@@ -1,15 +1,14 @@
 /**
  * Exposes user information
  */
-@requires : 'authenticated-user'
+@requires: 'authenticated-user'
 service UserService {
 
   /**
    * The current user
    */
-  @odata.singleton
-  entity Me {
-    ID     : String;
+  @odata.singleton entity me {
+    id     : String; // user id
     locale : String;
     tenant : String;
   }

bookshop/srv/user-service.js

@@ -1,11 +1,4 @@
-const cds = require('@sap/cds');
-
+const cds = require('@sap/cds')
 module.exports = cds.service.impl((srv) => {
-  srv.on('READ', 'Me', ({ user }) => {
-    return {
-      ID: user.id,
-      locale: user.locale,
-      tenant: user.tenant,
-    };
-  });
-});
+  srv.on('READ', 'me', ({ tenant, user, locale }) => ({ id: user.id, locale, tenant }))
+})