✨ dynamically update conference sessions closes #14

Signed-off-by: Marcus Fihlon <[email protected]>
McPringle · Mar 27, 2024 · 273ab45 · 273ab45
1 parent d5df1f6
commit 273ab45
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Showing 3 changed files with 25 additions and 9 deletions.
diff --git a/src/main/java/swiss/fihlon/apus/Application.java b/src/main/java/swiss/fihlon/apus/Application.java
@@ -18,11 +18,12 @@
 package swiss.fihlon.apus;
 
 import com.vaadin.flow.component.page.AppShellConfigurator;
+import com.vaadin.flow.component.page.Push;
 import com.vaadin.flow.server.PWA;
 import com.vaadin.flow.theme.Theme;
-
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 /**
  * The entry point of the Spring Boot application.
@@ -32,6 +33,8 @@
  *
  */
 @SpringBootApplication
+@EnableScheduling
+@Push
 @PWA(name = "Apus", shortName = "Apus")
 @Theme("apus")
 @SuppressWarnings({"FinalClass", "HideUtilityClassConstructor"})

diff --git a/src/main/java/swiss/fihlon/apus/ui/view/ConferenceView.java b/src/main/java/swiss/fihlon/apus/ui/view/ConferenceView.java
@@ -21,23 +21,40 @@
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.html.H2;
 import org.jetbrains.annotations.NotNull;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
 import swiss.fihlon.apus.conference.Session;
 import swiss.fihlon.apus.service.ConferenceService;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
+@Component
 @CssImport(value = "./themes/apus/views/conference-view.css")
 public final class ConferenceView extends Div {
 
     private static final int MAX_SESSIONS_IN_VIEW = 15;
 
+    private final transient ConferenceService conferenceService;
+    private final Div sessionContainer = new Div();
+
     public ConferenceView(@NotNull final ConferenceService conferenceService) {
+        this.conferenceService = conferenceService;
         setId("conference-view");
-        final var sessionContainer = new Div();
+        add(new H2("Agenda"));
+        add(sessionContainer);
+        updateConferenceSessions();
+    }
+
+    @Scheduled(fixedRate = 60_000)
+    private void scheduler() {
+        getUI().ifPresent(ui -> ui.access(this::updateConferenceSessions));
+    }
+
+    private void updateConferenceSessions() {
+        sessionContainer.removeAll();
         var sessionCounter = new AtomicInteger(0);
 
         final var runningSessions = conferenceService.getRunningSessions();
-        add(new H2("Agenda"));
         for (final Session session : runningSessions) {
             final var sessionView = new SessionView(session);
             sessionView.addClassName("running-session");
@@ -60,8 +77,5 @@ public ConferenceView(@NotNull final ConferenceService conferenceService) {
                 }
             }
         }
-
-        add(sessionContainer);
     }
-
 }
diff --git a/src/main/java/swiss/fihlon/apus/ui/view/SocialWallView.java b/src/main/java/swiss/fihlon/apus/ui/view/SocialWallView.java
@@ -21,17 +21,16 @@
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.router.Route;
 import org.jetbrains.annotations.NotNull;
-import swiss.fihlon.apus.service.ConferenceService;
 import swiss.fihlon.apus.service.SocialService;
 
 @Route("")
 @CssImport(value = "./themes/apus/views/social-wall-view.css")
 public final class SocialWallView extends Div {
 
-    public SocialWallView(@NotNull final ConferenceService conferenceService,
+    public SocialWallView(@NotNull final ConferenceView conferenceview,
                           @NotNull final SocialService socialService) {
         setId("social-wall-view");
-        add(new ConferenceView(conferenceService), new SocialView(socialService));
+        add(conferenceview, new SocialView(socialService));
     }
 
 }