working on time tracking implementation

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

core/src/main/java/de/srsoftware/umbrella/core/model/Time.java

@@ -3,19 +3,23 @@ package de.srsoftware.umbrella.core.model;
 
 import static de.srsoftware.umbrella.core.Constants.*;
 import static de.srsoftware.umbrella.core.Util.*;
+import static java.time.ZoneOffset.UTC;
 
 import de.srsoftware.tools.Mappable;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.Duration;
 import java.time.LocalDateTime;
+import java.time.ZoneOffset;
 import java.util.*;
 
 public class Time implements Mappable{
 
 	private final Collection<Long> taskIds;
-	private final LocalDateTime end, start;
-	private final long id, userId;
+	private LocalDateTime end;
+	private final LocalDateTime start;
+	private long id;
+	private final long userId;
 	private final String description, subject;
 	private final State state;
 
@@ -46,8 +50,9 @@ public class Time implements Mappable{
 				default -> throw new IllegalArgumentException();
 			};
 		}
-	}
 
+
+	}
 	public Time(long id, long userId, String subject, String description, LocalDateTime start, LocalDateTime end, State state, Collection<Long> taskIds){
 		this.id=id;
 		this.userId = userId;
@@ -58,6 +63,17 @@ public class Time implements Mappable{
 		this.state = state;
 		this.taskIds = taskIds;
 	}
+	public String description(){
+		return description;
+	}
+
+	public LocalDateTime end(){
+		return end;
+	}
+
+	public Long endSecond(){
+		return end == null ? null : end.toEpochSecond(UTC);
+	}
 
 	public long id(){
 		return id;
@@ -88,14 +104,31 @@ public class Time implements Mappable{
 		);
 	}
 
+	public void setId(long newValue) {
+		id = newValue;
+	}
+
 	public LocalDateTime start(){
 		return start;
 	}
 
+	public Long startSecond(){
+		return start == null ? null : start.toEpochSecond(UTC);
+	}
+
     public State state(){
         return state;
     }
 
+	public Time stop(LocalDateTime now) {
+		end = now;
+		return this;
+	}
+
+	public String subject(){
+		return subject;
+	}
+
 	public Collection<Long> taskIds(){
 		return taskIds;
 	}
@@ -114,4 +147,8 @@ public class Time implements Mappable{
 		map.put(TASK_IDS,taskIds);
 		return map;
 	}
+
+	public long userId(){
+		return userId;
+	}
 }