first try to generate messages from events

todo:

- add subject function to Event interface
- implement interface on derived event classes
- make events translatable

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/Event.java

@@ -7,6 +7,7 @@ import static java.util.Optional.*;
 import de.srsoftware.tools.Diff;
 import de.srsoftware.tools.Mappable;
 import de.srsoftware.umbrella.core.model.UmbrellaUser;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
@@ -43,6 +44,8 @@ public abstract class Event<Payload extends Mappable> {
 		this.oldData   = oldData;
 	}
 
+	public abstract Collection<UmbrellaUser> audience();
+
 	public abstract String describe();
 
 	private Map<String, Object> dropMarkdown(Map<String, Object> map) {
@@ -60,11 +63,13 @@ public abstract class Event<Payload extends Mappable> {
 	}
 
 
-	public String eventType(){
-		return eventType.toString();
+	public EventType eventType(){
+		return eventType;
 	}
 
-	public abstract boolean isIntendedFor(UmbrellaUser user);
+	public boolean isIntendedFor(UmbrellaUser user){
+		return audience().contains(user);
+	}
 
 	public UmbrellaUser initiator(){
 		return initiator;

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/ProjectEvent.java

@@ -3,8 +3,12 @@ package de.srsoftware.umbrella.messagebus.events;
 
 import static de.srsoftware.umbrella.core.Constants.PROJECT;
 
+import de.srsoftware.umbrella.core.model.Member;
 import de.srsoftware.umbrella.core.model.Project;
 import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 
 
@@ -18,15 +22,12 @@ public class ProjectEvent extends Event<Project>{
 	}
 
 	@Override
-	public String describe() {
-		return diff().orElse("[TODO: ProjectEvent.describe]");
+	public Collection<UmbrellaUser> audience() {
+		return payload().members().values().stream().map(Member::user).toList();
 	}
 
 	@Override
-	public boolean isIntendedFor(UmbrellaUser user) {
-		for (var member : payload().members().values()){
-			if (member.user().equals(user)) return true;
-		}
-		return false;
+	public String describe() {
+		return diff().orElse("[TODO: ProjectEvent.describe]");
 	}
 }

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/TaskEvent.java

@@ -3,8 +3,12 @@ package de.srsoftware.umbrella.messagebus.events;
 
 import static de.srsoftware.umbrella.core.Constants.TASK;
 
+import de.srsoftware.umbrella.core.model.Member;
 import de.srsoftware.umbrella.core.model.Task;
 import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 
 
@@ -18,15 +22,12 @@ public class TaskEvent extends Event<Task>{
 	}
 
 	@Override
-	public String describe() {
-		return diff().orElse("[TODO: TaskEvent.describe()]");
+	public Collection<UmbrellaUser> audience() {
+		return payload().members().values().stream().map(Member::user).toList();
 	}
 
 	@Override
-	public boolean isIntendedFor(UmbrellaUser user) {
-		for (var member : payload().members().values()){
-			if (member.user().equals(user)) return true;
-		}
-		return false;
+	public String describe() {
+		return diff().orElse("[TODO: TaskEvent.describe()]");
 	}
 }

bus/src/main/java/de/srsoftware/umbrella/messagebus/events/WikiEvent.java

@@ -3,8 +3,12 @@ package de.srsoftware.umbrella.messagebus.events;
 
 import static de.srsoftware.umbrella.core.Constants.WIKI;
 
+import de.srsoftware.umbrella.core.model.Member;
 import de.srsoftware.umbrella.core.model.UmbrellaUser;
 import de.srsoftware.umbrella.core.model.WikiPage;
+
+import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 
 
@@ -18,15 +22,12 @@ public class WikiEvent extends Event<WikiPage>{
 	}
 
 	@Override
-	public String describe() {
-		return diff().orElse("[TODO: WikiEvent.describe()]");
+	public Collection<UmbrellaUser> audience() {
+		return payload().members().values().stream().map(Member::user).toList();
 	}
 
 	@Override
-	public boolean isIntendedFor(UmbrellaUser user) {
-		for (var member : payload().members().values()){
-			if (member.user().equals(user)) return true;
-		}
-		return false;
+	public String describe() {
+		return diff().orElse("[TODO: WikiEvent.describe()]");
 	}
 }