Don't use proxy for rendering dashboard page

public/app/features/dashboard-scene/pages/DashboardScenePage.tsx

@@ -6,27 +6,39 @@ import { Page } from 'app/core/components/Page/Page';
 import PageLoader from 'app/core/components/PageLoader/PageLoader';
 import { GrafanaRouteComponentProps } from 'app/core/navigation/types';
 import { DashboardPageRouteParams } from 'app/features/dashboard/containers/types';
+import { DashboardModel } from 'app/features/dashboard/state';
 import { DashboardRoutes } from 'app/types';
 
 import { getDashboardScenePageStateManager } from './DashboardScenePageStateManager';
 
-export interface Props extends GrafanaRouteComponentProps<DashboardPageRouteParams> {}
+export interface Props extends GrafanaRouteComponentProps<DashboardPageRouteParams> {
+  preloadedDashboard?: DashboardModel;
+}
 
-export function DashboardScenePage({ match, route }: Props) {
+export function DashboardScenePage({ match, route, preloadedDashboard }: Props) {
   const stateManager = getDashboardScenePageStateManager();
   const { dashboard, isLoading, loadError } = stateManager.useState();
 
   useEffect(() => {
-    if (route.routeName === DashboardRoutes.Home) {
-      stateManager.loadDashboard(route.routeName);
-    } else {
-      stateManager.loadDashboard(match.params.uid);
+    if (!preloadedDashboard) {
+      if (route.routeName === DashboardRoutes.Home) {
+        stateManager.loadDashboard(route.routeName);
+      } else {
+        stateManager.loadDashboard(match.params.uid);
+      }
+    }
+
+    if (
+      (preloadedDashboard && preloadedDashboard.uid === match.params.uid) ||
+      (preloadedDashboard && preloadedDashboard.uid === null && route.routeName === DashboardRoutes.Home)
+    ) {
+      stateManager.loadSceneFromDashboardModel(preloadedDashboard, route.routeName === DashboardRoutes.Home);
     }
 
     return () => {
       stateManager.clearState();
     };
-  }, [stateManager, match.params.uid, route.routeName]);
+  }, [stateManager, match.params.uid, route.routeName, preloadedDashboard]);
 
   if (!dashboard) {
     return (

public/app/features/dashboard-scene/pages/DashboardScenePageStateManager.ts

@@ -2,11 +2,15 @@ import { getBackendSrv } from '@grafana/runtime';
 import { StateManagerBase } from 'app/core/services/StateManagerBase';
 import { dashboardLoaderSrv } from 'app/features/dashboard/services/DashboardLoaderSrv';
 import { getDashboardSrv } from 'app/features/dashboard/services/DashboardSrv';
+import { DashboardModel } from 'app/features/dashboard/state';
 import { DashboardDTO, DashboardRoutes } from 'app/types';
 
 import { buildPanelEditScene, PanelEditor } from '../panel-edit/PanelEditor';
 import { DashboardScene } from '../scene/DashboardScene';
-import { transformSaveModelToScene } from '../serialization/transformSaveModelToScene';
+import {
+  createDashboardSceneFromDashboardModel,
+  transformSaveModelToScene,
+} from '../serialization/transformSaveModelToScene';
 import { getVizPanelKeyForPanelId, findVizPanelByKey } from '../utils/utils';
 
 export interface DashboardScenePageState {
@@ -88,6 +92,22 @@ export class DashboardScenePageStateManager extends StateManagerBase<DashboardSc
     throw new Error('Dashboard not found');
   }
 
+  public loadSceneFromDashboardModel(model: DashboardModel, isHome?: boolean) {
+    const uid = isHome ? 'home' : model.uid;
+    if (!uid) {
+      return;
+    }
+
+    let dashboard: DashboardScene = this.cache[uid];
+    if (!dashboard) {
+      dashboard = createDashboardSceneFromDashboardModel(model);
+      this.cache[uid] = dashboard;
+    }
+
+    this.setState({ dashboard, isLoading: false });
+    dashboard.startUrlSync();
+  }
+
   public clearState() {
     getDashboardSrv().setCurrent(undefined);
     this.setState({ dashboard: undefined, loadError: undefined, isLoading: false, panelEditor: undefined });

public/app/features/dashboard-scene/scene/DashboardScene.tsx

@@ -14,9 +14,8 @@ import {
   SceneObjectStateChangedEvent,
   sceneUtils,
 } from '@grafana/scenes';
-import { contextSrv } from 'app/core/core';
 import { getDashboardSrv } from 'app/features/dashboard/services/DashboardSrv';
-import { AccessControlAction, DashboardMeta } from 'app/types';
+import { DashboardMeta } from 'app/types';
 
 import { DashboardSceneRenderer } from '../scene/DashboardSceneRenderer';
 import { SaveDashboardDrawer } from '../serialization/SaveDashboardDrawer';
@@ -254,8 +253,6 @@ export class DashboardScene extends SceneObjectBase<DashboardSceneState> {
   canEditDashboard() {
     const { meta } = this.state;
 
-    return (
-      contextSrv.hasPermission(AccessControlAction.DashboardsWrite) && Boolean(meta.canEdit || meta.canMakeEditable)
-    );
+    return Boolean(meta.canEdit || meta.canMakeEditable);
   }
 }

public/app/features/dashboard-scene/scene/DashboardSceneRenderer.tsx

@@ -17,15 +17,13 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
   const pageNav = model.getPageNav(location);
   const bodyToRender = model.getBodyToRender(viewPanelId);
 
-  const hasControls = model.canEditDashboard() && controls;
-
   return (
     <Page navId="scenes" pageNav={pageNav} layout={PageLayoutType.Custom}>
       <CustomScrollbar autoHeightMin={'100%'}>
         <div className={styles.canvasContent}>
           <NavToolbarActions dashboard={model} />
 
-          {hasControls && (
+          {controls && (
             <div className={styles.controls}>
               {controls.map((control) => (
                 <control.Component key={control.state.key} model={control} />
@@ -33,7 +31,7 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
               <SceneDebugger scene={model} key={'scene-debugger'} />
             </div>
           )}
-          <div className={cx(styles.body, !hasControls && styles.bodyNoControls)}>
+          <div className={cx(styles.body)}>
             <bodyToRender.Component model={bodyToRender} />
           </div>
         </div>
@@ -60,9 +58,7 @@ function getStyles(theme: GrafanaTheme2) {
       gap: '8px',
       marginBottom: theme.spacing(2),
     }),
-    bodyNoControls: css({
-      paddingTop: theme.spacing(2),
-    }),
+
     controls: css({
       display: 'flex',
       flexWrap: 'wrap',

public/app/features/dashboard-scene/serialization/transformSaveModelToScene.ts

@@ -202,18 +202,25 @@ export function createDashboardSceneFromDashboardModel(oldModel: DashboardModel)
     });
   }
 
-  const controls: SceneObject[] = [
+  let controls: SceneObject[] = [
     new VariableValueSelectors({}),
     ...filtersSets,
     new SceneDataLayerControls(),
     new SceneControlsSpacer(),
-    new SceneTimePicker({}),
-    new SceneRefreshPicker({
-      refresh: oldModel.refresh,
-      intervals: oldModel.timepicker.refresh_intervals,
-    }),
   ];
 
+  if (!Boolean(oldModel.timepicker.hidden)) {
+    controls = controls.concat([
+      new SceneTimePicker({
+        hidePicker: Boolean(oldModel.timepicker.hidden),
+      }),
+      new SceneRefreshPicker({
+        refresh: oldModel.refresh,
+        intervals: oldModel.timepicker.refresh_intervals,
+      }),
+    ]);
+  }
+
   return new DashboardScene({
     title: oldModel.title,
     uid: oldModel.uid,

public/app/features/dashboard/containers/DashboardPage.tsx

@@ -16,6 +16,7 @@ import { GrafanaRouteComponentProps } from 'app/core/navigation/types';
 import { getNavModel } from 'app/core/selectors/navModel';
 import { newBrowseDashboardsEnabled } from 'app/features/browse-dashboards/featureFlag';
 import { PanelModel } from 'app/features/dashboard/state';
+import DashboardScenePage from 'app/features/dashboard-scene/pages/DashboardScenePage';
 import { dashboardWatcher } from 'app/features/live/dashboard/dashboardWatcher';
 import { AngularDeprecationNotice } from 'app/features/plugins/angularDeprecation/AngularDeprecationNotice';
 import { getPageNavFromSlug, getRootContentNavModel } from 'app/features/storage/StorageFolderPage';
@@ -339,6 +340,21 @@ export class UnthemedDashboardPage extends PureComponent<Props, State> {
       );
     }
 
+    if (config.featureToggles.dashboardSceneForViewers) {
+      if (dashboard && !dashboard.meta.canEdit) {
+        return (
+          <DashboardScenePage
+            history={this.props.history}
+            location={this.props.location}
+            match={this.props.match}
+            queryParams={this.props.queryParams}
+            route={this.props.route}
+            preloadedDashboard={dashboard}
+          />
+        );
+      }
+    }
+
     return (
       <>
         <Page

public/app/features/dashboard/containers/DashboardPageProxy.tsx

@@ -1,28 +0,0 @@
-import React from 'react';
-
-import { config } from '@grafana/runtime';
-import { contextSrv } from 'app/core/core';
-import { GrafanaRouteComponentProps } from 'app/core/navigation/types';
-import DashboardScenePage from 'app/features/dashboard-scene/pages/DashboardScenePage';
-import { AccessControlAction } from 'app/types';
-
-import DashboardPage from './DashboardPage';
-import { DashboardPageRouteParams, DashboardPageRouteSearchParams } from './types';
-
-type Props = GrafanaRouteComponentProps<DashboardPageRouteParams, DashboardPageRouteSearchParams>;
-
-// This proxy component is used for Dashboard -> Scenes migration.
-// It will render DashboardScenePage if user does not have write permissions to a dashboard.
-function DashboardPageProxy(props: Props) {
-  if (config.featureToggles.dashboardSceneForViewers) {
-    if (contextSrv.hasPermission(AccessControlAction.DashboardsWrite)) {
-      return <DashboardPage {...props} />;
-    } else {
-      return <DashboardScenePage {...props} />;
-    }
-  }
-
-  return <DashboardPage {...props} />;
-}
-
-export default DashboardPageProxy;

public/app/routes/routes.tsx

@@ -36,7 +36,7 @@ export function getAppRoutes(): RouteDescriptor[] {
       pageClass: 'page-dashboard',
       routeName: DashboardRoutes.Home,
       component: SafeDynamicImport(
-        () => import(/* webpackChunkName: "DashboardPageProxy" */ '../features/dashboard/containers/DashboardPageProxy')
+        () => import(/* webpackChunkName: "DashboardPage" */ '../features/dashboard/containers/DashboardPage')
       ),
     },
     {
@@ -44,7 +44,7 @@ export function getAppRoutes(): RouteDescriptor[] {
       pageClass: 'page-dashboard',
       routeName: DashboardRoutes.Normal,
       component: SafeDynamicImport(
-        () => import(/* webpackChunkName: "DashboardPageProxy" */ '../features/dashboard/containers/DashboardPageProxy')
+        () => import(/* webpackChunkName: "DashboardPage" */ '../features/dashboard/containers/DashboardPage')
       ),
     },
     {