working on task update by event

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

@@ -0,0 +1,54 @@
+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.messagebus.events;
+
+import static de.srsoftware.umbrella.core.Constants.USER;
+
+import de.srsoftware.tools.Mappable;
+import de.srsoftware.umbrella.core.model.UmbrellaUser;
+import java.util.Map;
+import org.json.JSONObject;
+
+public abstract class Event<Payload extends Mappable> {
+
+	public enum EventType {
+		CREATE,
+		UPDATE,
+		DELETE;
+
+	}
+	private UmbrellaUser initiator;
+
+	private String realm;
+	private Payload payload;
+	private EventType eventType;
+	public Event(UmbrellaUser initiator, String realm, Payload payload, EventType type){
+		this.initiator = initiator;
+		this.realm     = realm;
+		this.payload   = payload;
+		this.eventType = type;
+	}
+
+	public String eventType(){
+		return eventType.toString();
+	}
+
+	public abstract boolean isIntendedFor(UmbrellaUser user);
+
+	public String json(){
+		Class<?> clazz = payload.getClass();
+		{ // get the highest superclass that is not object
+			Class<?> parent = clazz.getSuperclass();
+
+			while (parent != null && parent != Object.class) {
+				clazz = parent;
+				parent = clazz.getSuperclass();
+			}
+		}
+		var map = Map.of(USER,initiator.toMap(),clazz.getSimpleName().toLowerCase(),payload.toMap());
+		return new JSONObject(map).toString();
+	}
+
+	public Payload payload(){
+		return payload;
+	}
+}

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

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+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.messagebus.events;
+
+import de.srsoftware.umbrella.core.model.Project;
+import de.srsoftware.umbrella.core.model.Task;
+import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+import static de.srsoftware.umbrella.core.Constants.PROJECT;
+import static de.srsoftware.umbrella.core.Constants.TASK;
+
+
+public class ProjectEvent extends Event<Project>{
+	public ProjectEvent(UmbrellaUser initiator, Project project, EventType type){
+		super(initiator, PROJECT, project, type);
+	}
+
+	@Override
+	public boolean isIntendedFor(UmbrellaUser user) {
+		for (var member : payload().members().values()){
+			if (member.user().equals(user)) return true;
+		}
+		return false;
+	}
+}

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

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+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.messagebus.events;
+
+import static de.srsoftware.umbrella.core.Constants.TASK;
+
+import de.srsoftware.umbrella.core.model.Task;
+import de.srsoftware.umbrella.core.model.UmbrellaUser;
+
+
+public class TaskEvent extends Event<Task>{
+	public TaskEvent(UmbrellaUser initiator, Task task, EventType type){
+		super(initiator, TASK, task, type);
+	}
+
+	@Override
+	public boolean isIntendedFor(UmbrellaUser user) {
+		for (var member : payload().members().values()){
+			if (member.user().equals(user)) return true;
+		}
+		return false;
+	}
+}