Small improvements

src/main/java/de/blafoo/bkw/views/bkw/BkwFeignView.java

@@ -16,6 +16,7 @@
 import de.blafoo.growatt.feign.GrowattFeignClient;
 import de.blafoo.growatt.feign.GrowattFeignCookieJar;
 
+@SuppressWarnings("serial")
 @PageTitle("BKW (Feign)")
 @Route(value = "bkwfeign", layout = MainLayout.class)
 public class BkwFeignView extends BkwView {
@@ -40,7 +41,7 @@ protected String login() {
 
     @Override
     protected TotalDataResponse getTotalData(@NonNull String plantId) {
-    	return growatt.getTotalData(new EnergyRequest(plantId, null));
+    	return growatt.getTotalData(new EnergyRequest(plantId));
     }
 
 	@Override

src/main/java/de/blafoo/bkw/views/bkw/BkwGrowattView.java

@@ -16,6 +16,7 @@
 import de.blafoo.growatt.entity.LoginRequest;
 import de.blafoo.growatt.entity.TotalDataResponse;
 
+@SuppressWarnings("serial")
 @PageTitle("BKW (Growatt)")
 @Route(value = "bkwgrowatt", layout = MainLayout.class)
 @RouteAlias(value = "", layout = MainLayout.class)
@@ -37,7 +38,7 @@ protected String login() {
 
     @Override
     protected TotalDataResponse getTotalData(@NonNull String plantId) {
-    	return growatt.getTotalData(new EnergyRequest(plantId, null));
+    	return growatt.getTotalData(new EnergyRequest(plantId));
     }
 
 	@Override

src/main/java/de/blafoo/bkw/views/bkw/BkwView.java

@@ -11,6 +11,7 @@
 import org.springframework.lang.NonNull;
 
 import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.UI;
 import com.vaadin.flow.component.board.Board;
 import com.vaadin.flow.component.charts.Chart;
 import com.vaadin.flow.component.charts.model.ChartType;
@@ -27,6 +28,9 @@
 import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.component.select.Select;
 import com.vaadin.flow.component.textfield.TextField;
+import com.vaadin.flow.router.AfterNavigationEvent;
+import com.vaadin.flow.router.AfterNavigationObserver;
+import com.vaadin.flow.router.PreserveOnRefresh;
 import com.vaadin.flow.theme.lumo.LumoUtility.BoxSizing;
 import com.vaadin.flow.theme.lumo.LumoUtility.FontSize;
 import com.vaadin.flow.theme.lumo.LumoUtility.FontWeight;
@@ -37,20 +41,26 @@
 import de.blafoo.growatt.entity.TotalDataResponse;
 import jakarta.annotation.PostConstruct;
 
-abstract class BkwView extends Main {
+@SuppressWarnings("serial")
+@PreserveOnRefresh
+abstract class BkwView extends Main implements AfterNavigationObserver {
 
 	protected String account;
 
 	protected String password;
 
+	private String plantId;
+
+	private TotalDataResponse totalData;
+
 	private Select<String> yearSelect;
 
 	private String month;
 
 	private Chart yearChart;
 
     private Chart monthChart;
-    
+
 	public BkwView(String account, String password) {
 		if ( StringUtils.isBlank(account) || StringUtils.isBlank(password) )
 			throw new IllegalArgumentException("account and password must not be empty - add them to the application.properites");
@@ -63,18 +73,24 @@ public BkwView(String account, String password) {
 	protected void init() {
         addClassName("bkw-view");
 
-        String plantId = login();
-        var totalData = getTotalData(plantId);
+        plantId = login();
+        totalData = getTotalData(plantId);
 
     	yearSelect = new Select<>();
         var gridYear = Integer.valueOf(totalData.getObj().getGridDate().split("-")[0]);
         yearSelect.setItems(IntStream.range(gridYear, LocalDate.now().getYear()+1).mapToObj(String::valueOf).toList());
         yearSelect.setValue(String.valueOf(LocalDate.now().getYear()));
+        yearSelect.addValueChangeListener(e -> UI.getCurrent().navigate(this.getClass()));
+	}
+
+	@Override
+	public void afterNavigation(AfterNavigationEvent event) {
+		this.removeAll();
 
         double eTotal = totalData.getObj().getETotal(); 
         Board board = new Board();
         board.addRow(
-        		createHighlight("Yearly production", totalData.getObj().getETotal(), null), 
+        		createHighlight("Total production", totalData.getObj().getETotal(), null), 
         		createHighlight("Monthly production", totalData.getObj().getEMonth(), null),
         		createHighlight("Daily production", totalData.getObj().getEToday(), eTotal / Double.valueOf(totalData.getObj().getRunDay())),
         		createHighlight("Current production", totalData.getObj().getPac(), null)

src/main/java/de/blafoo/growatt/feign/GrowattFeignCookieJar.java

@@ -15,7 +15,7 @@
 @Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
 public class GrowattFeignCookieJar {
 
-	Map<String, String> cookies = new HashMap<>();
+	private Map<String, String> cookies = new HashMap<>();
 
 	public String getCookie(String cookie, String defaultValue) {
 		return cookies.getOrDefault(cookie, defaultValue);

src/main/resources/application.yml.yml

@@ -0,0 +1,16 @@
+server.port=${PORT:8080}
+logging.level.org.atmosphere = warn
+logging.level.de.blafoo = DEBUG
+spring.mustache.check-template-location = false
+
+# Launch the default browser when starting the application in development mode
+vaadin.launch-browser=true
+# To improve the performance during development.
+# For more information https://vaadin.com/docs/flow/spring/tutorial-spring-configuration.html#special-configuration-parameters
+vaadin.whitelisted-packages = com.vaadin,org.vaadin,dev.hilla,de.blafoo.bkw
+spring.jpa.defer-datasource-initialization = true
+
+growatt.account = 
+growatt.password = 
+
+spring.cloud.openfeign.client.config.growatt-client.loggerLevel = BASIC