fix: update version for each event

src/main/java/io/autoinvestor/domain/events/DecisionTakenEvent.java

@@ -10,8 +10,8 @@ public class DecisionTakenEvent extends Event<DecisionTakenEventPayload> {
 
     public static final String TYPE = "ASSET_DECISION_TAKEN";
 
-    private DecisionTakenEvent(Id aggregateId, DecisionTakenEventPayload payload) {
-        super(aggregateId, TYPE, payload);
+    private DecisionTakenEvent(Id aggregateId, DecisionTakenEventPayload payload, int version) {
+        super(aggregateId, TYPE, payload, version);
     }
 
     protected DecisionTakenEvent(EventId id,
@@ -22,14 +22,15 @@ protected DecisionTakenEvent(EventId id,
         super(id, decisionId, TYPE, payload, occurredAt, version);
     }
 
-    public static DecisionTakenEvent with(DecisionId decisionId, AssetId assetId, Date date, Type type, RiskLevel riskLevel) {
+    public static DecisionTakenEvent with(DecisionId decisionId, AssetId assetId, Date date, Type type,
+                                          RiskLevel riskLevel, int version) {
         DecisionTakenEventPayload payload = new DecisionTakenEventPayload(
                 assetId.value(),
                 date,
                 type.name(),
                 riskLevel.value()
         );
-        return new DecisionTakenEvent(decisionId, payload);
+        return new DecisionTakenEvent(decisionId, payload, version);
     }
 
     public static DecisionTakenEvent hydrate(EventId id,

src/main/java/io/autoinvestor/domain/events/Event.java

@@ -14,10 +14,6 @@ public abstract class Event<P extends EventPayload> {
     private final Date occurredAt;
     private final int version;
 
-    protected Event(Id aggregateId, String type, P payload) {
-        this(aggregateId, type, payload, 1);
-    }
-
     protected Event(Id aggregateId, String type, P payload, int version) {
         this.id = EventId.generate();
         this.aggregateId = aggregateId;

src/main/java/io/autoinvestor/domain/events/EventSourcedEntity.java

@@ -5,7 +5,7 @@
 
 public abstract class EventSourcedEntity {
     private final List<Event<?>> appliedEvents = new ArrayList<>();
-    private int version;
+    protected int version;
 
     protected EventSourcedEntity(List<Event<?>> stream) {
         if (!stream.isEmpty()) {
@@ -18,10 +18,6 @@ protected EventSourcedEntity(List<Event<?>> stream) {
         }
     }
 
-    protected EventSourcedEntity() {
-        this(null);
-    }
-
     protected void apply(Event<?> e) {
         appliedEvents.add(e);
         when(e);

src/main/java/io/autoinvestor/domain/model/Decision.java

@@ -36,7 +36,8 @@ public void takeDecision(String assetId, int feelingInt, RiskLevel riskLevel) {
                 AssetId.of(assetId),
                 new Date(),
                 type,
-                riskLevel
+                riskLevel,
+                this.version
         ));
     }