Implementation of countdown stage for races

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/dispatch/event/GetEventOverviewStageAction.java

@@ -43,11 +43,11 @@ public class GetEventOverviewStageAction implements Action<ResultWithTTL<EventOv
         }
         
         // TODO get correct message
-        return new ResultWithTTL<>(ttl, new EventOverviewStageDTO(null, getStageContent(event, state, now)));
+        return new ResultWithTTL<>(ttl, new EventOverviewStageDTO(null, getStageContent(context, event, state, now)));
     }
 
     @GwtIncompatible
-    public EventOverviewStageContentDTO getStageContent(Event event, EventState state, MillisecondsTimePoint now) {
+    public EventOverviewStageContentDTO getStageContent(DispatchContext context, Event event, EventState state, MillisecondsTimePoint now) {
         String stageImageUrl = HomeServiceUtil.getStageImageURLAsString(event);
 //        if(state == EventState.RUNNING && TODO live video) {
 //          return new EventOverviewVideoStageDTO(Type.LIVESTREAM);
@@ -58,11 +58,15 @@ public class GetEventOverviewStageAction implements Action<ResultWithTTL<EventOv
 //      }
         
         if(state == EventState.RUNNING) {
-//            TODO next race countdown if available
-            // TODO Proper Implementation (Type race)
-//            return new EventOverviewRaceTickerStageDTO(new RegattaNameAndRaceName(
-//                    "Regatta XY", "Race 1"), "Race 1 - Gold Fleet", new Date(new Date().getTime() + 5000), stageImageUrl);
+            NextRaceFinder nextRaceFinder = new NextRaceFinder();
+            RacesActionUtil.forRacesOfEvent(context, eventId, nextRaceFinder);
             
+            RaceContext nextRace = nextRaceFinder .getNextRace();
+            if(nextRace != null) {
+                return new EventOverviewRaceTickerStageDTO(nextRace.getRaceIdentifier(), nextRace.getStageText(), nextRaceFinder.getNextStartTime().asDate(), stageImageUrl);
+            }
+            
+            // TODO This is not a good idea due to Axel and Frank as regatta start times aren't correctly set.
             Regatta nextRegatta = null;
             for (LeaderboardGroup lg : event.getLeaderboardGroups()) {
                 for (Leaderboard lb : lg.getLeaderboards()) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/dispatch/event/NextRaceFinder.java

@@ -0,0 +1,33 @@
+package com.sap.sailing.gwt.ui.shared.dispatch.event;
+
+import com.sap.sailing.gwt.ui.shared.dispatch.event.RacesActionUtil.RaceCallback;
+import com.sap.sailing.gwt.ui.shared.race.RaceMetadataDTO.RaceTrackingState;
+import com.sap.sse.common.TimePoint;
+import com.sap.sse.common.impl.MillisecondsTimePoint;
+
+public class NextRaceFinder implements RaceCallback {
+    
+    private final TimePoint now = MillisecondsTimePoint.now();
+    private TimePoint nextStartTime;
+    private RaceContext nextRace;
+
+    @Override
+    public void doForRace(RaceContext context) {
+        TimePoint startTime = context.getStartTime();
+        if(context.getRaceTrackingState() != RaceTrackingState.TRACKED_VALID_DATA || startTime == null || now.after(startTime)) {
+            return;
+        }
+        if(nextRace == null || startTime.before(nextStartTime)) {
+            nextRace = context;
+            nextStartTime = startTime;
+        }
+    }
+
+    public RaceContext getNextRace() {
+        return nextRace;
+    }
+    
+    public TimePoint getNextStartTime() {
+        return nextStartTime;
+    }
+}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/dispatch/event/RaceContext.java

@@ -20,6 +20,7 @@ import com.sap.sailing.domain.base.RaceDefinition;
 import com.sap.sailing.domain.base.Regatta;
 import com.sap.sailing.domain.common.LeaderboardNameConstants;
 import com.sap.sailing.domain.common.Position;
+import com.sap.sailing.domain.common.RegattaAndRaceIdentifier;
 import com.sap.sailing.domain.common.TimingConstants;
 import com.sap.sailing.domain.common.Wind;
 import com.sap.sailing.domain.common.WindSourceType;
@@ -209,7 +210,7 @@ public class RaceContext {
         return null;
     }
     
-    private TimePoint getStartTime() {
+    public TimePoint getStartTime() {
         TimePoint startTime = null;
         if (trackedRace != null) {
             startTime = trackedRace.getStartOfRace();
@@ -285,7 +286,7 @@ public class RaceContext {
         return result;
     }
 
-    private RaceTrackingState getRaceTrackingState() {
+    public RaceTrackingState getRaceTrackingState() {
         RaceTrackingState trackingState = RaceTrackingState.NOT_TRACKED;
         if(trackedRace != null) {
             trackingState = RaceTrackingState.TRACKED_NO_VALID_DATA;
@@ -331,4 +332,13 @@ public class RaceContext {
         }
         return result;
     }
+
+    public String getStageText() {
+        // TODO fleet
+        return getRegattaDisplayName() + " - " + raceColumn.getName();
+    }
+
+    public RegattaAndRaceIdentifier getRaceIdentifier() {
+        return trackedRace.getRaceIdentifier();
+    }
 }