Explore: Use Datasource Onboarding page when visiting without any datasource set up (#60399)

* allow DatasourceOnboarding title and cta text customization

* Explore: use Datasource Onboarding page when visiting without any datasource set up

* move & rename DatasourceOnboarding

* Rename component

.betterer.results

@@ -3771,9 +3771,6 @@ exports[`better eslint`] = {
       [0, 0, 0, "Do not use any type assertions.", "7"],
       [0, 0, 0, "Do not use any type assertions.", "8"]
     ],
-    "public/app/features/explore/Wrapper.test.tsx:5381": [
-      [0, 0, 0, "Unexpected any. Specify a different type.", "0"]
-    ],
     "public/app/features/explore/spec/helper/setup.tsx:5381": [
       [0, 0, 0, "Do not use any type assertions.", "0"],
       [0, 0, 0, "Unexpected any. Specify a different type.", "1"],

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

@@ -2,12 +2,13 @@ import React, { useState } from 'react';
 import { useEffectOnce } from 'react-use';
 
 import { config } from '@grafana/runtime';
+import { t } from 'app/core/internationalization';
 import { GrafanaRouteComponentProps } from 'app/core/navigation/types';
+import { EmptyStateNoDatasource } from 'app/features/datasources/components/EmptyStateNoDatasource';
 import { loadDataSources } from 'app/features/datasources/state';
 import { useDispatch, useSelector } from 'app/types';
 
 import DashboardPage from './DashboardPage';
-import { DatasourceOnboarding } from './DatasourceOnboarding';
 
 export default function NewDashboardPage(props: GrafanaRouteComponentProps) {
   const dispatch = useDispatch();
@@ -25,6 +26,13 @@ export default function NewDashboardPage(props: GrafanaRouteComponentProps) {
   return showDashboardPage ? (
     <DashboardPage {...props} />
   ) : (
-    <DatasourceOnboarding onNewDashboard={() => setCreateDashboard(true)} loading={loading} />
+    <EmptyStateNoDatasource
+      onCTAClick={() => setCreateDashboard(true)}
+      loading={loading}
+      title={t('datasource-onboarding.welcome', 'Welcome to Grafana dashboards!')}
+      CTAText={t('datasource-onboarding.sampleData', 'Or set up a new dashboard with sample data')}
+      navId="dashboards/browse"
+      pageNav={{ text: t('dashboard', 'New dashboard'), url: '/dashboard/new' }}
+    />
   );
 }

public/app/features/datasources/components/EmptyStateNoDatasource.tsx

@@ -1,5 +1,5 @@
 import { css } from '@emotion/css';
-import React from 'react';
+import React, { ComponentProps } from 'react';
 import { useAsync } from 'react-use';
 
 import { DataSourcePluginMeta, GrafanaTheme2, PageLayoutType } from '@grafana/data';
@@ -21,13 +21,14 @@ const topDatasources = [
   'grafana-azure-monitor-datasource',
 ];
 
-export function DatasourceOnboarding({
-  onNewDashboard,
-  loading = false,
-}: {
-  onNewDashboard?: () => void;
+interface Props extends Pick<ComponentProps<typeof Page>, 'navId' | 'pageNav'> {
+  title: string;
+  CTAText: string;
+  onCTAClick?: () => void;
   loading?: boolean;
-}) {
+}
+
+export function EmptyStateNoDatasource({ onCTAClick, loading = false, title, CTAText, navId, pageNav }: Props) {
   const styles = useStyles2(getStyles);
   const { value: datasources, loading: loadingDatasources } = useAsync(async () => {
     const datasourceMeta: DataSourcePluginMeta[] = await getBackendSrv().get('/api/plugins', {
@@ -50,13 +51,9 @@ export function DatasourceOnboarding({
   }
 
   return (
-    <Page
-      navId="dashboards/browse"
-      pageNav={{ text: t('dashboard', 'New dashboard'), url: '/dashboard/new' }}
-      layout={PageLayoutType.Canvas}
-    >
+    <Page navId={navId} pageNav={pageNav} layout={PageLayoutType.Canvas}>
       <div className={styles.wrapper}>
-        <h1 className={styles.title}>{t('datasource-onboarding.welcome', 'Welcome to Grafana dashboards!')}</h1>
+        <h1 className={styles.title}>{title}</h1>
         <div className={styles.description}>
           <h4 className={styles.explanation}>
             {t('datasource-onboarding.explanation', "To visualize your data, you'll need to connect it first.")}
@@ -100,8 +97,8 @@ export function DatasourceOnboarding({
             {t('datasource-onboarding.contact-admin', 'Please contact your administrator to configure data sources.')}
           </h4>
         )}
-        <button onClick={onNewDashboard} className={styles.createNew}>
-          <span>{t('datasource-onboarding.sampleData', 'Or set up a new dashboard with sample data')}</span>
+        <button onClick={onCTAClick} className={styles.ctaButton}>
+          <span>{CTAText}</span>
           <Icon name="arrow-right" size="lg" />
         </button>
       </div>
@@ -193,7 +190,7 @@ function getStyles(theme: GrafanaTheme2) {
       textDecoration: 'underline',
       textUnderlinePosition: 'under',
     }),
-    createNew: css({
+    ctaButton: css({
       display: 'flex',
       alignItems: 'center',
       gap: theme.spacing(1),

public/app/features/explore/EmptyStateWrapper.tsx

@@ -0,0 +1,39 @@
+import React, { useState } from 'react';
+import { useEffectOnce } from 'react-use';
+
+import { config } from '@grafana/runtime';
+import { GrafanaRouteComponentProps } from 'app/core/navigation/types';
+import { EmptyStateNoDatasource } from 'app/features/datasources/components/EmptyStateNoDatasource';
+import { ExploreQueryParams, useDispatch, useSelector } from 'app/types';
+
+import { loadDataSources } from '../datasources/state';
+
+import { ExplorePage } from './ExplorePage';
+
+export default function EmptyStateWrapper(props: GrafanaRouteComponentProps<{}, ExploreQueryParams>) {
+  const dispatch = useDispatch();
+  useEffectOnce(() => {
+    if (config.featureToggles.datasourceOnboarding) {
+      dispatch(loadDataSources());
+    }
+  });
+
+  const { hasDatasource, loading } = useSelector((state) => ({
+    hasDatasource: state.dataSources.dataSourcesCount > 0,
+    loading: !state.dataSources.hasFetched,
+  }));
+  const [showOnboarding, setShowOnboarding] = useState(config.featureToggles.datasourceOnboarding);
+  const showExplorePage = hasDatasource || !showOnboarding;
+
+  return showExplorePage ? (
+    <ExplorePage {...props} />
+  ) : (
+    <EmptyStateNoDatasource
+      onCTAClick={() => setShowOnboarding(false)}
+      loading={loading}
+      title="Welcome to Grafana Explore!"
+      CTAText="Or explore sample data"
+      navId="explore"
+    />
+  );
+}

public/app/features/explore/ExplorePage.test.tsx

@@ -1,6 +1,7 @@
 import { fireEvent, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import React from 'react';
+import React, { ComponentProps } from 'react';
+import AutoSizer from 'react-virtualized-auto-sizer';
 
 import { serializeStateToUrlParam } from '@grafana/data';
 import { locationService, config } from '@grafana/runtime';
@@ -27,13 +28,13 @@ jest.mock('app/core/core', () => {
 jest.mock('react-virtualized-auto-sizer', () => {
   return {
     __esModule: true,
-    default(props: any) {
-      return <div>{props.children({ width: 1000 })}</div>;
+    default(props: ComponentProps<typeof AutoSizer>) {
+      return <div>{props.children({ width: 1000, height: 1000 })}</div>;
     },
   };
 });
 
-describe('Wrapper', () => {
+describe('ExplorePage', () => {
   afterEach(() => {
     tearDown();
   });

public/app/features/explore/ExplorePage.tsx

@@ -31,7 +31,7 @@ const styles = {
   `,
 };
 
-function Wrapper(props: GrafanaRouteComponentProps<{}, ExploreQueryParams>) {
+export function ExplorePage(props: GrafanaRouteComponentProps<{}, ExploreQueryParams>) {
   useExplorePageTitle();
   const dispatch = useDispatch();
   const queryParams = props.queryParams;
@@ -173,5 +173,3 @@ const useExplorePageTitle = () => {
 
   document.title = `${navModel.main.text} - ${datasources.join(' | ')} - ${Branding.AppTitle}`;
 };
-
-export default Wrapper;

public/app/features/explore/spec/helper/setup.tsx

@@ -29,7 +29,7 @@ import { LokiDatasource } from '../../../../plugins/datasource/loki/datasource';
 import { LokiQuery } from '../../../../plugins/datasource/loki/types';
 import { ExploreId } from '../../../../types';
 import { initialUserState } from '../../../profile/state/reducers';
-import Wrapper from '../../Wrapper';
+import { ExplorePage } from '../../ExplorePage';
 
 type DatasourceSetup = { settings: DataSourceInstanceSettings; api: DataSourceApi };
 
@@ -120,7 +120,7 @@ export function setupExplore(options?: SetupOptions): {
     locationService.partial(urlParams);
   }
 
-  const route = { component: Wrapper };
+  const route = { component: ExplorePage };
 
   const { unmount, container } = render(
     <Provider store={storeState}>

public/app/routes/routes.tsx

@@ -216,7 +216,7 @@ export function getAppRoutes(): RouteDescriptor[] {
         ),
       component: SafeDynamicImport(() =>
         config.exploreEnabled
-          ? import(/* webpackChunkName: "explore" */ 'app/features/explore/Wrapper')
+          ? import(/* webpackChunkName: "explore" */ 'app/features/explore/EmptyStateWrapper')
           : import(/* webpackChunkName: "explore-feature-toggle-page" */ 'app/features/explore/FeatureTogglePage')
       ),
     },