Added logout button

control-panel/src/main/java/ru/dragonestia/picker/cp/page/MainLayout.java

@@ -2,31 +2,49 @@
 
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.Html;
+import com.vaadin.flow.component.Unit;
 import com.vaadin.flow.component.applayout.AppLayout;
 import com.vaadin.flow.component.applayout.DrawerToggle;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.html.Hr;
+import com.vaadin.flow.component.html.Span;
+import com.vaadin.flow.component.icon.Icon;
 import com.vaadin.flow.component.icon.VaadinIcon;
 import com.vaadin.flow.component.orderedlayout.FlexComponent;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.orderedlayout.Scroller;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.component.sidenav.SideNav;
 import com.vaadin.flow.component.sidenav.SideNavItem;
 import ru.dragonestia.picker.api.impl.RoomPickerClient;
 import ru.dragonestia.picker.api.repository.response.RoomPickerInfoResponse;
 import ru.dragonestia.picker.cp.annotation.ServerURL;
+import ru.dragonestia.picker.cp.model.Account;
+import ru.dragonestia.picker.cp.service.SecurityService;
 
 public class MainLayout extends AppLayout {
 
+    private final SecurityService securityService;
     private final RoomPickerInfoResponse serverInfo;
     private final String serverUrl;
+    private final Account account;
+    private final boolean isAdmin;
 
-    public MainLayout(RoomPickerClient adminClient, @ServerURL String serverUrl) {
+    public MainLayout(SecurityService securityService, RoomPickerClient adminClient, @ServerURL String serverUrl) {
+        this.securityService = securityService;
         this.serverInfo = adminClient.getServerInfo();
         this.serverUrl = serverUrl;
+        account = securityService.getAuthenticatedAccount();
+        isAdmin = securityService.hasRole("ADMIN");
 
         var toggle = new DrawerToggle();
         var scroller = new Scroller(createSideNav());
+        scroller.setWidth(100, Unit.PERCENTAGE);
 
-        addToDrawer(scroller);
+        var navLayout = new VerticalLayout(createAccountButtons(), new Hr(), scroller);
+        navLayout.setPadding(false);
+
+        addToDrawer(navLayout);
         addToNavbar(toggle, createLogo());
     }
 
@@ -39,6 +57,19 @@ private Component createLogo() {
         return layout;
     }
 
+    private Component createAccountButtons() {
+        var layout = new VerticalLayout();
+        var username = new Span(new Icon(isAdmin? VaadinIcon.USER_STAR : VaadinIcon.USER));
+        username.add(account.getUsername());
+        layout.add(username);
+
+        var logoutButton = new Button("Logout", event -> securityService.logout());
+        logoutButton.setWidth(100, Unit.PERCENTAGE);
+        layout.add(logoutButton);
+
+        return layout;
+    }
+
     private SideNav createSideNav() {
         var nav = new SideNav();
         nav.addItem(new SideNavItem("Nodes list", NodesPage.class, VaadinIcon.FOLDER_O.create()));

control-panel/src/main/java/ru/dragonestia/picker/cp/service/SecurityService.java

@@ -25,4 +25,9 @@ public void logout() {
         var logoutHandler = new SecurityContextLogoutHandler();
         logoutHandler.logout(VaadinServletRequest.getCurrent().getHttpServletRequest(), null, null);
     }
+
+    public boolean hasRole(String role) {
+        var r = "ROLE_" + role;
+        return getAuthenticatedAccount().getAuthorities().stream().anyMatch(permission -> r.equals(permission.getAuthority()));
+    }
 }