final state of exercise 2

packages/reviews-service/srv/reviews-service.cds

@@ -0,0 +1,26 @@
+namespace sap.capire.reviews;
+using { sap.capire.reviews as my } from '../db/schema';
+
+service ReviewsService {
+
+  event reviewed : { subject:String; rating: Decimal(2,1) };
+
+  // API
+  entity Reviews as projection on my.Reviews excluding { likes }
+  action like (review:Reviews.ID);
+  action unlike (review:Reviews.ID);  
+
+  // Input validation
+  annotate Reviews with {
+    subject  @mandatory;
+    title    @mandatory;
+    rating   @mandatory @assert.enum;
+  }
+
+  // Auto-fill reviewers and review dates
+  annotate Reviews with {
+    reviewer @cds.on.insert:$user;
+    date     @cds.on.insert:$now;
+    date     @cds.on.update:$now;
+  }
+}