Show User Description

package.json

@@ -9,5 +9,10 @@
 	},
 	"workspaces": [
 		"mtx/sidecar"
-	]
-}
+	],
+	"cds": {
+		"cdsc": {
+			"draftUserDescription": true
+		}
+	}
+}

srv/src/main/java/my/bookshop/handlers/UserDescriptionHandler.java

@@ -0,0 +1,31 @@
+package my.bookshop.handlers;
+
+import com.sap.cds.CdsData;
+import com.sap.cds.CdsDataProcessor;
+import com.sap.cds.services.draft.DraftCreateEventContext;
+import com.sap.cds.services.handler.EventHandler;
+import com.sap.cds.services.handler.annotations.On;
+import com.sap.cds.services.request.UserInfo;
+import java.util.List;
+import org.springframework.stereotype.Component;
+
+@Component
+public class UserDescriptionHandler implements EventHandler {
+
+  @On(service = "*")
+  protected void addDraftFields(DraftCreateEventContext context, List<CdsData> entries) {
+    CdsDataProcessor.Filter filter =
+        (path, element, type) ->
+            switch (element.getName()) {
+              case "InProcessByUserDescription" -> true;
+              default -> false;
+            };
+
+    UserInfo userInfo = context.getUserInfo();
+    CdsDataProcessor.Generator generator =
+        (path, element, isNull) -> userInfo.getAdditionalAttribute("nickname");
+    CdsDataProcessor dataProcessor = CdsDataProcessor.create().addGenerator(filter, generator);
+
+    dataProcessor.process(entries, context.getTarget());
+  }
+}

srv/src/main/resources/application.yaml

@@ -17,11 +17,21 @@ cds:
         password: admin
         roles:
         - admin
+        additional:
+            nickname: Chief Books Administrator
         attributes:
           businessPartner:
           - "10401010"
+      minad:
+        password: minad
+        roles:
+        - admin
+        additional:
+            nickname: Controller of Books
       user:
         password: user
+        additional:
+            nickname: Some user
 server.servlet.encoding:
   charset: UTF-8
   force: true