Filter data sources by favorite setting (#109593)

packages/grafana-runtime/src/index.ts

@@ -57,7 +57,7 @@ export { hasPermission, hasPermissionInMetadata, hasAllPermissions, hasAnyPermis
 export { QueryEditorWithMigration } from './components/QueryEditorWithMigration';
 export { type MigrationHandler, isMigrationHandler, migrateQuery, migrateRequest } from './utils/migrationHandler';
 export { usePluginUserStorage } from './utils/userStorage';
-export { useFavoriteDatasources } from './utils/useFavoriteDatasources';
+export { useFavoriteDatasources, type FavoriteDatasources } from './utils/useFavoriteDatasources';
 export { FolderPicker, setFolderPicker } from './components/FolderPicker';
 export {
   type CorrelationsService,

packages/grafana-runtime/src/utils/useFavoriteDatasources.test.ts

@@ -17,6 +17,16 @@ jest.mock('./userStorage', () => {
   };
 });
 
+jest.mock('../config', () => {
+  return {
+    config: {
+      featureToggles: {
+        favoriteDatasources: true,
+      },
+    },
+  };
+});
+
 describe('useFavoriteDatasources', () => {
   // Test data helpers
   const pluginMetaInfo: PluginMetaInfo = {

packages/grafana-runtime/src/utils/useFavoriteDatasources.ts

@@ -2,16 +2,28 @@ import { useCallback, useEffect, useState } from 'react';
 
 import { DataSourceInstanceSettings } from '@grafana/data';
 
+import { config } from '../config';
+
 import { UserStorage } from './userStorage';
 
 const FAVORITE_DATASOURCES_KEY = 'favoriteDatasources';
 
+export type FavoriteDatasources = {
+  enabled: boolean;
+  favoriteDatasources: string[];
+  initialFavoriteDataSources: string[];
+  addFavoriteDatasource: (ds: DataSourceInstanceSettings) => void;
+  removeFavoriteDatasource: (ds: DataSourceInstanceSettings) => void;
+  isFavoriteDatasource: (dsUid: string) => boolean;
+};
+
 /**
  * A hook for managing favorite data sources using user storage.
  * This hook provides functionality to store and retrieve a list of favorite data source UIDs
  * using the backend user storage (with localStorage fallback).
  *
  * @returns An object containing:
+ * - A boolean indicating if the feature is enabled
  * - An array of favorite data source UIDs
  * - An array of favorite data source UIDs that were initially loaded from storage
  * - A function to add a data source to favorites
@@ -19,13 +31,18 @@ const FAVORITE_DATASOURCES_KEY = 'favoriteDatasources';
  * - A function to check if a data source is favorited
  * @public
  */
-export function useFavoriteDatasources(): {
-  favoriteDatasources: string[];
-  initialFavoriteDataSources: string[];
-  addFavoriteDatasource: (ds: DataSourceInstanceSettings) => void;
-  removeFavoriteDatasource: (ds: DataSourceInstanceSettings) => void;
-  isFavoriteDatasource: (dsUid: string) => boolean;
-} {
+export function useFavoriteDatasources(): FavoriteDatasources {
+  if (!config.featureToggles.favoriteDatasources) {
+    return {
+      enabled: false,
+      favoriteDatasources: [],
+      initialFavoriteDataSources: [],
+      addFavoriteDatasource: () => {},
+      removeFavoriteDatasource: () => {},
+      isFavoriteDatasource: () => false,
+    };
+  }
+
   const [userStorage] = useState(() => new UserStorage('grafana-runtime'));
   const [favoriteDatasources, setFavoriteDatasources] = useState<string[]>([]);
   const [initialFavoriteDataSources, setInitialFavoriteDataSources] = useState<string[]>([]);
@@ -86,6 +103,7 @@ export function useFavoriteDatasources(): {
   );
 
   return {
+    enabled: true,
     favoriteDatasources,
     addFavoriteDatasource,
     removeFavoriteDatasource,

public/app/core/components/PageActionBar/PageActionBar.tsx

@@ -1,10 +1,16 @@
-import { PureComponent } from 'react';
+import { css } from '@emotion/css';
 
-import { SelectableValue } from '@grafana/data';
-import { LinkButton, FilterInput, InlineField } from '@grafana/ui';
+import { SelectableValue, GrafanaTheme2 } from '@grafana/data';
+import { LinkButton, FilterInput, InlineField, Checkbox, useStyles2 } from '@grafana/ui';
 
 import { SortPicker } from '../Select/SortPicker';
 
+export type FilterCheckbox = {
+  onChange: (value: boolean) => void;
+  value: boolean;
+  label?: string;
+};
+
 export interface Props {
   searchQuery: string;
   setSearchQuery: (value: string) => void;
@@ -16,41 +22,59 @@ export interface Props {
     value?: string;
     getSortOptions?: () => Promise<SelectableValue[]>;
   };
+  filterCheckbox?: FilterCheckbox;
 }
 
-export default class PageActionBar extends PureComponent<Props> {
-  render() {
-    const {
-      searchQuery,
-      linkButton,
-      setSearchQuery,
-      target,
-      placeholder = 'Search by name or type',
-      sortPicker,
-    } = this.props;
-    const linkProps: Omit<Parameters<typeof LinkButton>[0], 'children'> = {
-      href: linkButton?.href,
-      disabled: linkButton?.disabled,
-    };
+export default function PageActionBar({
+  searchQuery,
+  linkButton,
+  setSearchQuery,
+  target,
+  placeholder = 'Search by name or type',
+  sortPicker,
+  filterCheckbox,
+}: Props) {
+  const styles = useStyles2(getStyles);
+  const linkProps: Omit<Parameters<typeof LinkButton>[0], 'children'> = {
+    href: linkButton?.href,
+    disabled: linkButton?.disabled,
+  };
 
-    if (target) {
-      linkProps.target = target;
-    }
-
-    return (
-      <div className="page-action-bar">
-        <InlineField grow>
-          <FilterInput value={searchQuery} onChange={setSearchQuery} placeholder={placeholder} />
-        </InlineField>
-        {sortPicker && (
-          <SortPicker
-            onChange={sortPicker.onChange}
-            value={sortPicker.value}
-            getSortOptions={sortPicker.getSortOptions}
-          />
-        )}
-        {linkButton && <LinkButton {...linkProps}>{linkButton.title}</LinkButton>}
-      </div>
-    );
+  if (target) {
+    linkProps.target = target;
   }
+
+  return (
+    <div className={styles.container}>
+      <InlineField grow>
+        <FilterInput value={searchQuery} onChange={setSearchQuery} placeholder={placeholder} />
+      </InlineField>
+      {filterCheckbox && (
+        <Checkbox
+          label={filterCheckbox.label}
+          value={filterCheckbox.value}
+          onChange={(event) => filterCheckbox.onChange(event.currentTarget.checked)}
+        />
+      )}
+      {sortPicker && (
+        <SortPicker
+          onChange={sortPicker.onChange}
+          value={sortPicker.value}
+          getSortOptions={sortPicker.getSortOptions}
+        />
+      )}
+      {linkButton && <LinkButton {...linkProps}>{linkButton.title}</LinkButton>}
+    </div>
+  );
 }
+
+const getStyles = (theme: GrafanaTheme2) => {
+  return {
+    container: css({
+      display: 'flex',
+      alignItems: 'center',
+      gap: theme.spacing(2),
+      marginBottom: theme.spacing(2),
+    }),
+  };
+};

public/app/features/datasources/components/DataSourcesList.test.tsx

@@ -1,24 +1,69 @@
 import { screen } from '@testing-library/react';
 import { render } from 'test/test-utils';
 
+import { config } from '@grafana/runtime';
+
 import { getMockDataSources } from '../mocks/dataSourcesMocks';
 
-import { DataSourcesListView } from './DataSourcesList';
+import { DataSourcesListView, ViewProps } from './DataSourcesList';
 
-const setup = () => {
-  return render(
-    <DataSourcesListView
-      dataSources={getMockDataSources(3)}
-      dataSourcesCount={3}
-      isLoading={false}
-      hasCreateRights={true}
-      hasWriteRights={true}
-      hasExploreRights={true}
-    />
-  );
+// Mock the useFavoriteDatasources hook
+const mockIsFavoriteDatasource = jest.fn();
+const mockUseFavoriteDatasources = jest.fn(() => ({
+  enabled: true,
+  isFavoriteDatasource: mockIsFavoriteDatasource,
+  favoriteDatasources: [],
+  initialFavoriteDataSources: [],
+  addFavoriteDatasource: jest.fn(),
+  removeFavoriteDatasource: jest.fn(),
+  toggleFavoriteDatasource: jest.fn(),
+}));
+
+jest.mock('@grafana/runtime', () => {
+  const runtime = jest.requireActual('@grafana/runtime');
+  return {
+    ...runtime,
+    useFavoriteDatasources: () => mockUseFavoriteDatasources(),
+    config: {
+      ...runtime.config,
+      featureToggles: {
+        ...runtime.config.featureToggles,
+        favoriteDatasources: true,
+      },
+    },
+  };
+});
+
+// Mock the useQueryParams hook
+const mockUpdateQueryParams = jest.fn();
+const mockUseQueryParams = jest.fn(() => [{ starred: undefined }, mockUpdateQueryParams]);
+
+jest.mock('app/core/hooks/useQueryParams', () => ({
+  useQueryParams: () => mockUseQueryParams(),
+}));
+
+const setup = (overrides: Partial<ViewProps> = {}) => {
+  const defaultProps = {
+    dataSources: getMockDataSources(3),
+    dataSourcesCount: 3,
+    isLoading: false,
+    hasCreateRights: true,
+    hasWriteRights: true,
+    hasExploreRights: true,
+    showFavoritesOnly: false,
+    handleFavoritesCheckboxChange: jest.fn(),
+    ...overrides,
+  };
+
+  return render(<DataSourcesListView {...defaultProps} />);
 };
 
 describe('<DataSourcesList>', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+    mockUseQueryParams.mockReturnValue([{ starred: undefined }, mockUpdateQueryParams]);
+  });
+
   it('should render action bar', async () => {
     setup();
 
@@ -41,4 +86,56 @@ describe('<DataSourcesList>', () => {
     expect(await screen.findByRole('heading', { name: 'dataSource-0' })).toBeInTheDocument();
     expect(await screen.findByRole('link', { name: 'dataSource-0' })).toBeInTheDocument();
   });
+
+  describe('Favorites functionality', () => {
+    beforeEach(() => {
+      config.featureToggles.favoriteDatasources = true;
+    });
+
+    it('should render favorites checkbox when feature toggle is enabled', async () => {
+      setup({ favoriteDataSources: mockUseFavoriteDatasources() });
+
+      const checkbox = await screen.findByRole('checkbox', { name: 'Starred' });
+      expect(checkbox).toBeInTheDocument();
+      expect(checkbox).not.toBeChecked();
+    });
+
+    it('should not render favorites checkbox when feature toggle is disabled', async () => {
+      config.featureToggles.favoriteDatasources = false;
+
+      setup();
+
+      expect(await screen.findByPlaceholderText('Search by name or type')).toBeInTheDocument();
+      expect(screen.queryByRole('checkbox', { name: 'Starred' })).not.toBeInTheDocument();
+    });
+
+    it('should render favorites checkbox as checked when value is true', async () => {
+      setup({ showFavoritesOnly: true, favoriteDataSources: mockUseFavoriteDatasources() });
+
+      const checkbox = await screen.findByRole('checkbox', { name: 'Starred' });
+      expect(checkbox).toBeChecked();
+    });
+
+    it('should filter datasources to show only favorites when showFavoritesOnly is true', async () => {
+      // Mock the isFavoriteDatasource function to return true for specific datasources
+      const mockIsFavoriteDatasource = jest.fn((uid: string) => uid === 'uid-0' || uid === 'uid-2');
+
+      setup({
+        showFavoritesOnly: true,
+        favoriteDataSources: {
+          ...mockUseFavoriteDatasources(),
+          isFavoriteDatasource: mockIsFavoriteDatasource,
+        },
+      });
+
+      // Should only show 2 datasources (uid-0 and uid-2) instead of all 3
+      const listItems = await screen.findAllByRole('listitem');
+      expect(listItems).toHaveLength(2);
+
+      // Verify the correct datasources are shown
+      expect(screen.getByRole('heading', { name: 'dataSource-0' })).toBeInTheDocument();
+      expect(screen.getByRole('heading', { name: 'dataSource-2' })).toBeInTheDocument();
+      expect(screen.queryByRole('heading', { name: 'dataSource-1' })).not.toBeInTheDocument();
+    });
+  });
 });

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

@@ -1,12 +1,13 @@
 import { css } from '@emotion/css';
-import { useEffect } from 'react';
+import { useEffect, useMemo } from 'react';
 import { useLocation } from 'react-router-dom-v5-compat';
 
 import { DataSourceSettings, GrafanaTheme2 } from '@grafana/data';
 import { Trans, t } from '@grafana/i18n';
-import { config } from '@grafana/runtime';
+import { config, useFavoriteDatasources, FavoriteDatasources } from '@grafana/runtime';
 import { EmptyState, LinkButton, TextLink, useStyles2 } from '@grafana/ui';
 import { contextSrv } from 'app/core/core';
+import { useQueryParams } from 'app/core/hooks/useQueryParams';
 import { AccessControlAction } from 'app/types/accessControl';
 import { StoreState, useSelector } from 'app/types/store';
 
@@ -20,6 +21,12 @@ import { DataSourcesListHeader } from './DataSourcesListHeader';
 
 export function DataSourcesList() {
   const { isLoading } = useLoadDataSources();
+  const favoriteDataSources = useFavoriteDatasources();
+  const [queryParams, updateQueryParams] = useQueryParams();
+  const showFavoritesOnly = !!queryParams.starred;
+  const handleFavoritesCheckboxChange = (value: boolean) => {
+    updateQueryParams({ starred: value ? 'true' : undefined });
+  };
 
   const dataSources = useSelector((state) => getDataSources(state.dataSources));
   const dataSourcesCount = useSelector(({ dataSources }: StoreState) => getDataSourcesCount(dataSources));
@@ -35,6 +42,9 @@ export function DataSourcesList() {
       hasCreateRights={hasCreateRights}
       hasWriteRights={hasWriteRights}
       hasExploreRights={hasExploreRights}
+      showFavoritesOnly={showFavoritesOnly}
+      handleFavoritesCheckboxChange={handleFavoritesCheckboxChange}
+      favoriteDataSources={favoriteDataSources}
     />
   );
 }
@@ -46,18 +56,40 @@ export type ViewProps = {
   hasCreateRights: boolean;
   hasWriteRights: boolean;
   hasExploreRights: boolean;
+  showFavoritesOnly?: boolean;
+  handleFavoritesCheckboxChange?: (value: boolean) => void;
+  favoriteDataSources?: FavoriteDatasources;
 };
 
 export function DataSourcesListView({
-  dataSources,
+  dataSources: allDataSources,
   dataSourcesCount,
   isLoading,
   hasCreateRights,
   hasWriteRights,
   hasExploreRights,
+  showFavoritesOnly,
+  handleFavoritesCheckboxChange,
+  favoriteDataSources,
 }: ViewProps) {
   const styles = useStyles2(getStyles);
   const location = useLocation();
+  const favoritesCheckbox =
+    favoriteDataSources?.enabled && handleFavoritesCheckboxChange && showFavoritesOnly !== undefined
+      ? {
+          onChange: handleFavoritesCheckboxChange,
+          value: showFavoritesOnly,
+          label: t('datasources.list.starred', 'Starred'),
+        }
+      : undefined;
+
+  // Filter data sources based on favorites when enabled
+  const dataSources = useMemo(() => {
+    if (!showFavoritesOnly || !favoriteDataSources?.enabled) {
+      return allDataSources;
+    }
+    return allDataSources.filter((dataSource) => favoriteDataSources?.isFavoriteDatasource(dataSource.uid));
+  }, [allDataSources, showFavoritesOnly, favoriteDataSources]);
 
   useEffect(() => {
     trackDataSourcesListViewed({
@@ -111,7 +143,7 @@ export function DataSourcesListView({
   return (
     <>
       {/* List Header */}
-      <DataSourcesListHeader />
+      <DataSourcesListHeader filterCheckbox={favoritesCheckbox} />
 
       {/* List */}
       {dataSources.length === 0 && !isLoading ? (

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

@@ -2,7 +2,7 @@ import { debounce } from 'lodash';
 import { useCallback, useMemo } from 'react';
 
 import { SelectableValue } from '@grafana/data';
-import PageActionBar from 'app/core/components/PageActionBar/PageActionBar';
+import PageActionBar, { FilterCheckbox } from 'app/core/components/PageActionBar/PageActionBar';
 import { StoreState, useSelector, useDispatch } from 'app/types/store';
 
 import { setDataSourcesSearchQuery, setIsSortAscending } from '../state/reducers';
@@ -20,8 +20,13 @@ const sortOptions = [
   { label: 'Sort by Z–A', value: descendingSortValue },
 ];
 
-export function DataSourcesListHeader() {
+export interface DataSourcesListHeaderProps {
+  filterCheckbox?: FilterCheckbox;
+}
+
+export function DataSourcesListHeader({ filterCheckbox }: DataSourcesListHeaderProps) {
   const dispatch = useDispatch();
+
   const debouncedTrackSearch = useMemo(
     () =>
       debounce((q) => {
@@ -54,6 +59,12 @@ export function DataSourcesListHeader() {
   };
 
   return (
-    <PageActionBar searchQuery={searchQuery} setSearchQuery={setSearchQuery} key="action-bar" sortPicker={sortPicker} />
+    <PageActionBar
+      searchQuery={searchQuery}
+      setSearchQuery={setSearchQuery}
+      key="action-bar"
+      sortPicker={sortPicker}
+      filterCheckbox={filterCheckbox}
+    />
   );
 }

public/locales/en-US/grafana.json

@@ -6583,6 +6583,9 @@
         "hosted-graphite-prometheus-and-loki": "Hosted Graphite, Prometheus, and Loki"
       }
     },
+    "list": {
+      "starred": "Starred"
+    },
     "new-data-source-view": {
       "cancel": "Cancel",
       "placeholder-filter-by-name-or-type": "Filter by name or type"