Folders: Refactor hooks to (eventually) consume app platform `/counts` endpoint (#110894)

eslint-suppressions.json

@@ -1901,11 +1901,6 @@
       "count": 1
     }
   },
-  "public/app/features/browse-dashboards/components/BrowseActions/MoveModal.tsx": {
-    "no-restricted-syntax": {
-      "count": 1
-    }
-  },
   "public/app/features/browse-dashboards/components/NewFolderForm.tsx": {
     "no-restricted-syntax": {
       "count": 1

packages/grafana-test-utils/src/handlers/api/folders/handlers.ts

@@ -3,7 +3,7 @@ import { HttpResponse, http } from 'msw';
 
 import { treeViewersCanEdit, wellFormedTree } from '../../../fixtures/folders';
 
-const [mockTree] = wellFormedTree();
+const [mockTree, { folderB }] = wellFormedTree();
 const [mockTreeThatViewersCanEdit] = treeViewersCanEdit();
 const collator = new Intl.Collator();
 
@@ -122,6 +122,38 @@ const saveFolderHandler = () =>
     return HttpResponse.json({ ...folder.item, title: body.title });
   });
 
-const handlers = [listFoldersHandler(), getFolderHandler(), createFolderHandler(), saveFolderHandler()];
+const getMockFolderCounts = (folder: number, dashboard: number, librarypanel: number, alertrule: number) => {
+  return {
+    folder,
+    dashboard,
+    librarypanel,
+    alertrule,
+  };
+};
+
+const folderCountsHandler = () =>
+  http.get<{ uid: string }, { title: string; version: number }>('/api/folders/:uid/counts', async ({ params }) => {
+    const { uid } = params;
+    const folder = mockTree.find((v) => v.item.uid === uid);
+
+    if (!folder) {
+      // The legacy API returns 0's for a folder that doesn't exist 🤷‍♂️
+      return HttpResponse.json(getMockFolderCounts(0, 0, 0, 0));
+    }
+
+    if (uid === folderB.item.uid) {
+      return HttpResponse.json({}, { status: 500 });
+    }
+
+    return HttpResponse.json(getMockFolderCounts(1, 1, 1, 1));
+  });
+
+const handlers = [
+  listFoldersHandler(),
+  getFolderHandler(),
+  createFolderHandler(),
+  saveFolderHandler(),
+  folderCountsHandler(),
+];
 
 export default handlers;

packages/grafana-test-utils/src/handlers/apis/folder.grafana.app/v1beta1/handlers.ts

@@ -4,7 +4,7 @@ import { HttpResponse, http } from 'msw';
 import { wellFormedTree } from '../../../../fixtures/folders';
 import { getErrorResponse } from '../../../helpers';
 
-const [mockTree] = wellFormedTree();
+const [mockTree, { folderB }] = wellFormedTree();
 
 const baseResponse = {
   kind: 'Folder',
@@ -164,4 +164,67 @@ const replaceFolderHandler = () =>
       return HttpResponse.json(appPlatformFolder);
     }
   );
-export default [getFolderHandler(), getFolderParentsHandler(), createFolderHandler(), replaceFolderHandler()];
+
+const getMockFolderCounts = (folders: number, dashboards: number, library_elements: number, alertrules: number) => {
+  return {
+    kind: 'DescendantCounts',
+    apiVersion: 'folder.grafana.app/v1beta1',
+    counts: [
+      {
+        group: 'dashboard.grafana.app',
+        resource: 'dashboards',
+        count: dashboards,
+      },
+      {
+        group: 'sql-fallback',
+        resource: 'alertrules',
+        count: alertrules,
+      },
+      {
+        group: 'sql-fallback',
+        resource: 'dashboards',
+        count: dashboards,
+      },
+      {
+        group: 'sql-fallback',
+        resource: 'folders',
+        count: folders,
+      },
+      {
+        group: 'sql-fallback',
+        resource: 'library_elements',
+        count: library_elements,
+      },
+    ],
+  };
+};
+
+const folderCountsHandler = () =>
+  http.get<{ folderUid: string; namespace: string }, PartialFolderPayload>(
+    '/apis/folder.grafana.app/v1beta1/namespaces/:namespace/folders/:folderUid/counts',
+    async ({ params }) => {
+      const { folderUid } = params;
+      const matchedFolder = mockTree.find(({ item }) => {
+        return item.uid === folderUid;
+      });
+
+      if (!matchedFolder) {
+        // The API returns 0's for a folder that doesn't exist 🤷‍♂️
+        return HttpResponse.json(getMockFolderCounts(0, 0, 0, 0));
+      }
+
+      if (folderUid === folderB.item.uid) {
+        return HttpResponse.json({}, { status: 500 });
+      }
+
+      return HttpResponse.json(getMockFolderCounts(1, 1, 1, 1));
+    }
+  );
+
+export default [
+  getFolderHandler(),
+  getFolderParentsHandler(),
+  createFolderHandler(),
+  replaceFolderHandler(),
+  folderCountsHandler(),
+];

public/app/api/clients/folder/v1beta1/hooks.ts

@@ -13,10 +13,12 @@ import {
   useMoveFoldersMutation as useMoveFoldersMutationLegacy,
   useSaveFolderMutation as useLegacySaveFolderMutation,
   useMoveFolderMutation as useMoveFolderMutationLegacy,
+  useGetAffectedItemsQuery as useLegacyGetAffectedItemsQuery,
   MoveFoldersArgs,
   DeleteFoldersArgs,
   MoveFolderArgs,
 } from 'app/features/browse-dashboards/api/browseDashboardsAPI';
+import { DashboardTreeSelection } from 'app/features/browse-dashboards/types';
 import { FolderDTO, NewFolder } from 'app/types/folders';
 
 import kbn from '../../../../core/utils/kbn';
@@ -49,6 +51,7 @@ import {
   CreateFolderApiArg,
   useReplaceFolderMutation,
   ReplaceFolderApiArg,
+  useGetAffectedItemsQuery,
 } from './index';
 
 function getFolderUrl(uid: string, title: string): string {
@@ -393,6 +396,26 @@ function useRefreshFolders() {
   };
 }
 
+export function useGetAffectedItems({ folder, dashboard }: Pick<DashboardTreeSelection, 'folder' | 'dashboard'>) {
+  const folderUIDs = Object.keys(folder).filter((uid) => folder[uid]);
+  const dashboardUIDs = Object.keys(dashboard).filter((uid) => dashboard[uid]);
+
+  // TODO: Remove constant condition here once we have a solution for the app platform counts
+  // As of now, the counts are not calculated recursively, so we need to use the legacy API
+  const shouldUseAppPlatformAPI = false && Boolean(config.featureToggles.foldersAppPlatformAPI);
+  const hookParams:
+    | Parameters<typeof useLegacyGetAffectedItemsQuery>[0]
+    | Parameters<typeof useGetAffectedItemsQuery>[0] = {
+    folderUIDs,
+    dashboardUIDs,
+  };
+
+  const legacyResult = useLegacyGetAffectedItemsQuery(!shouldUseAppPlatformAPI ? hookParams : skipToken);
+  const appPlatformResult = useGetAffectedItemsQuery(shouldUseAppPlatformAPI ? hookParams : skipToken);
+
+  return shouldUseAppPlatformAPI ? appPlatformResult : legacyResult;
+}
+
 function combinedState(
   result: ReturnType<typeof useGetFolderQuery>,
   resultParents: ReturnType<typeof useGetFolderParentsQuery>,

public/app/api/clients/folder/v1beta1/index.ts

@@ -1,6 +1,10 @@
-import { generatedAPI } from './endpoints.gen';
+import { DescendantCount } from 'app/types/folders';
 
-export const folderAPIv1beta1 = generatedAPI.enhanceEndpoints({
+import { generatedAPI } from './endpoints.gen';
+import { getParsedCounts } from './utils';
+
+export const folderAPIv1beta1 = generatedAPI
+  .enhanceEndpoints({
     endpoints: {
       getFolder: {
         providesTags: (result, error, arg) => (result ? [{ type: 'Folder', id: arg.name }] : []),
@@ -10,7 +14,9 @@ export const folderAPIv1beta1 = generatedAPI.enhanceEndpoints({
           result
             ? [
                 { type: 'Folder', id: 'LIST' },
-              ...result.items.map((folder) => ({ type: 'Folder' as const, id: folder.metadata?.name })).filter(Boolean),
+                ...result.items
+                  .map((folder) => ({ type: 'Folder' as const, id: folder.metadata?.name }))
+                  .filter(Boolean),
               ]
             : [{ type: 'Folder', id: 'LIST' }],
       },
@@ -37,7 +43,49 @@ export const folderAPIv1beta1 = generatedAPI.enhanceEndpoints({
         }),
       },
     },
-});
+  })
+  .injectEndpoints({
+    endpoints: (builder) => ({
+      getAffectedItems: builder.query<Record<string, number>, { folderUIDs: string[]; dashboardUIDs: string[] }>({
+        // Similar to legacy API, don't cache this data as we don't have full knowledge of the descendant entities
+        // and when they're created/deleted, so we can't easily know when this data is stale
+        keepUnusedDataFor: 0,
+        queryFn: async ({ folderUIDs, dashboardUIDs }, queryApi) => {
+          const initialCounts: DescendantCount = {
+            folders: folderUIDs.length,
+            dashboards: dashboardUIDs.length,
+            library_elements: 0,
+            alertrules: 0,
+          };
+
+          const promises = folderUIDs.map(async (folderUID) =>
+            queryApi.dispatch(generatedAPI.endpoints.getFolderCounts.initiate({ name: folderUID }))
+          );
+          try {
+            const results = await Promise.all(promises);
+
+            const mapped = results.reduce((acc, result) => {
+              const { data, error } = result;
+              if (error) {
+                throw error;
+              }
+
+              const counts = getParsedCounts(data?.counts ?? []);
+              acc.folders += counts.folders;
+              acc.dashboards += counts.dashboards;
+              acc.alertrules += counts.alertrules;
+              acc.library_elements += counts.library_elements;
+              return acc;
+            }, initialCounts);
+
+            return { data: mapped };
+          } catch (error) {
+            return { error };
+          }
+        },
+      }),
+    }),
+  });
 
 export const {
   useGetFolderQuery,
@@ -46,6 +94,7 @@ export const {
   useCreateFolderMutation,
   useUpdateFolderMutation,
   useReplaceFolderMutation,
+  useGetAffectedItemsQuery,
 } = folderAPIv1beta1;
 
 // eslint-disable-next-line no-barrel-files/no-barrel-files

public/app/api/clients/folder/v1beta1/utils.ts

@@ -6,6 +6,8 @@ import appEvents from '../../../../core/app_events';
 import { isProvisionedFolder } from '../../../../features/browse-dashboards/api/isProvisioned';
 import { useDispatch } from '../../../../types/store';
 
+import { ResourceStats } from './endpoints.gen';
+
 import { folderAPIv1beta1 as folderAPI } from './index';
 
 export async function isProvisionedFolderCheck(
@@ -34,3 +36,34 @@ export async function isProvisionedFolderCheck(
     return false;
   }
 }
+
+const initialCounts: Record<string, number> = {
+  folder: 0,
+  dashboard: 0,
+  libraryPanel: 0,
+  alertRule: 0,
+};
+
+/**
+ * Parses descendant counts into legacy-friendly format
+ *
+ * Takes the first count information as the source of truth, e.g. if
+ * the array has a
+ *
+ * `"group": "dashboard.grafana.app"`
+ *
+ * entry first, and a
+ *
+ * `"group": "sql-fallback"`
+ *
+ * entry later, the `dashboard.grafana.app` count will be used
+ */
+export const getParsedCounts = (counts: ResourceStats[]) => {
+  return counts.reduce((acc, { resource, count }) => {
+    // If there's no value already, then use that count, so a fallback count is not used
+    if (!acc[resource]) {
+      acc[resource] = count;
+    }
+    return acc;
+  }, initialCounts);
+};

public/app/features/browse-dashboards/api/browseDashboardsAPI.ts

@@ -1,6 +1,6 @@
 import { createApi } from '@reduxjs/toolkit/query/react';
 
-import { AppEvents, isTruthy, locationUtil } from '@grafana/data';
+import { AppEvents, locationUtil } from '@grafana/data';
 import { t } from '@grafana/i18n';
 import { config, getBackendSrv, isFetchError, locationService } from '@grafana/runtime';
 import { Dashboard } from '@grafana/schema';
@@ -22,7 +22,6 @@ import { FolderListItemDTO, FolderDTO, DescendantCount, DescendantCountDTO } fro
 import { getDashboardScenePageStateManager } from '../../dashboard-scene/pages/DashboardScenePageStateManager';
 import { deletedDashboardsCache } from '../../search/service/deletedDashboardsCache';
 import { refetchChildren, refreshParents } from '../state/actions';
-import { DashboardTreeSelection } from '../types';
 
 import { isProvisionedDashboard } from './isProvisioned';
 import { PAGE_SIZE } from './services';
@@ -191,33 +190,34 @@ export const browseDashboardsAPI = createApi({
     }),
 
     // gets the descendant counts for a folder. used in the move/delete modals.
-    getAffectedItems: builder.query<DescendantCount, DashboardTreeSelection>({
+    getAffectedItems: builder.query<DescendantCount, { folderUIDs: string[]; dashboardUIDs: string[] }>({
       // don't cache this data for now, since library panel/alert rule creation isn't done through rtk query
       keepUnusedDataFor: 0,
-      queryFn: async (selectedItems) => {
-        const folderUIDs = Object.keys(selectedItems.folder).filter((uid) => selectedItems.folder[uid]);
-
+      queryFn: async ({ folderUIDs, dashboardUIDs }) => {
+        try {
           const promises = folderUIDs.map((folderUID) => {
             return getBackendSrv().get<DescendantCountDTO>(`/api/folders/${folderUID}/counts`);
           });
-
           const results = await Promise.all(promises);
 
-        const totalCounts = {
-          folder: Object.values(selectedItems.folder).filter(isTruthy).length,
-          dashboard: Object.values(selectedItems.dashboard).filter(isTruthy).length,
-          libraryPanel: 0,
-          alertRule: 0,
+          const totalCounts: DescendantCount = {
+            folders: folderUIDs.length,
+            dashboards: dashboardUIDs.length,
+            library_elements: 0,
+            alertrules: 0,
           };
 
           for (const folderCounts of results) {
-          totalCounts.folder += folderCounts.folder;
-          totalCounts.dashboard += folderCounts.dashboard;
-          totalCounts.alertRule += folderCounts.alertrule;
-          totalCounts.libraryPanel += folderCounts.librarypanel;
+            totalCounts.folders += folderCounts.folder;
+            totalCounts.dashboards += folderCounts.dashboard;
+            totalCounts.alertrules += folderCounts.alertrule;
+            totalCounts.library_elements += folderCounts.librarypanel;
           }
 
           return { data: totalCounts };
+        } catch (error) {
+          return { error };
+        }
       },
     }),
 

public/app/features/browse-dashboards/components/BrowseActions/DeleteModal.tsx

@@ -3,8 +3,8 @@ import { useState } from 'react';
 import { Trans, t } from '@grafana/i18n';
 import { config, reportInteraction } from '@grafana/runtime';
 import { Alert, ConfirmModal, Text, Space } from '@grafana/ui';
+import { useGetAffectedItems } from 'app/api/clients/folder/v1beta1/hooks';
 
-import { useGetAffectedItemsQuery } from '../../api/browseDashboardsAPI';
 import { DashboardTreeSelection } from '../../types';
 
 import { DescendantCount } from './DescendantCount';
@@ -17,8 +17,8 @@ export interface Props {
 }
 
 export const DeleteModal = ({ onConfirm, onDismiss, selectedItems, ...props }: Props) => {
-  const { data } = useGetAffectedItemsQuery(selectedItems);
-  const deleteIsInvalid = Boolean(data && (data.alertRule || data.libraryPanel));
+  const { data } = useGetAffectedItems(selectedItems);
+  const deleteIsInvalid = Boolean(data && (data.alertrules || data.library_elements));
   const [isDeleting, setIsDeleting] = useState(false);
 
   const onDelete = async () => {

public/app/features/browse-dashboards/components/BrowseActions/DescendantCount.tsx

@@ -2,8 +2,8 @@ import Skeleton from 'react-loading-skeleton';
 
 import { t } from '@grafana/i18n';
 import { Alert, Text } from '@grafana/ui';
+import { useGetAffectedItems } from 'app/api/clients/folder/v1beta1/hooks';
 
-import { useGetAffectedItemsQuery } from '../../api/browseDashboardsAPI';
 import { DashboardTreeSelection } from '../../types';
 
 import { buildBreakdownString } from './utils';
@@ -13,7 +13,7 @@ export interface Props {
 }
 
 export const DescendantCount = ({ selectedItems }: Props) => {
-  const { data, isFetching, isLoading, error } = useGetAffectedItemsQuery(selectedItems);
+  const { data, isFetching, isLoading, error } = useGetAffectedItems(selectedItems);
 
   return error ? (
     <Alert
@@ -25,7 +25,7 @@ export const DescendantCount = ({ selectedItems }: Props) => {
     />
   ) : (
     <Text element="p" color="secondary">
-      {data && buildBreakdownString(data.folder, data.dashboard, data.libraryPanel, data.alertRule)}
+      {data && buildBreakdownString(data.folders, data.dashboards, data.library_elements, data.alertrules)}
       {(isFetching || isLoading) && <Skeleton width={200} />}
     </Text>
   );

public/app/features/browse-dashboards/components/BrowseActions/MoveModal.test.tsx

@@ -1,18 +1,19 @@
-import { HttpResponse, http } from 'msw';
 import { render, screen } from 'test/test-utils';
 
-import { setBackendSrv } from '@grafana/runtime';
-import server, { setupMockServer } from '@grafana/test-utils/server';
+import { config, setBackendSrv } from '@grafana/runtime';
+import { setupMockServer } from '@grafana/test-utils/server';
 import { getFolderFixtures } from '@grafana/test-utils/unstable';
 import { backendSrv } from 'app/core/services/backend_srv';
 
 import { MoveModal, Props } from './MoveModal';
 
-const [_, { folderA }] = getFolderFixtures();
+const [_, { folderA, folderB }] = getFolderFixtures();
 
 setBackendSrv(backendSrv);
 setupMockServer();
 
+const originalToggles = { ...config.featureToggles };
+
 describe('browse-dashboards MoveModal', () => {
   const mockOnDismiss = jest.fn();
   const mockOnConfirm = jest.fn();
@@ -20,17 +21,6 @@ describe('browse-dashboards MoveModal', () => {
   window.HTMLElement.prototype.scrollIntoView = () => {};
 
   beforeEach(() => {
-    server.use(
-      http.get('/api/folders/:uid/counts', () => {
-        return HttpResponse.json({
-          folder: 1,
-          dashboard: 2,
-          librarypanel: 3,
-          alertrule: 4,
-        });
-      })
-    );
-
     props = {
       isOpen: true,
       onConfirm: mockOnConfirm,
@@ -68,10 +58,24 @@ describe('browse-dashboards MoveModal', () => {
     expect(await screen.findByRole('button', { name: 'Select folder' })).toBeInTheDocument();
   });
 
-  it('displays a warning about permissions if a folder is selected', async () => {
+  describe('when a folder is selected', () => {
+    describe.each([
+      // app platform
+      true,
+      // legacy
+      false,
+    ])('with foldersAppPlatformAPI set to %s', (toggle) => {
+      beforeEach(() => {
         props.selectedItems.folder = {
-      myFolderUid: true,
+          [folderA.item.uid]: true,
         };
+        config.featureToggles.foldersAppPlatformAPI = toggle;
+      });
+      afterEach(() => {
+        config.featureToggles = originalToggles;
+      });
+
+      it('displays a warning about permissions if a folder is selected', async () => {
         render(<MoveModal {...props} />);
 
         expect(
@@ -79,6 +83,30 @@ describe('browse-dashboards MoveModal', () => {
         ).toBeInTheDocument();
       });
 
+      it('displays summary of affected items', async () => {
+        render(<MoveModal {...props} />);
+
+        expect(await screen.findByText(/This action will move the following content/i)).toBeInTheDocument();
+
+        expect(await screen.findByText(/5 item/)).toBeInTheDocument();
+        expect(screen.getByText(/2 folder/)).toBeInTheDocument();
+        expect(screen.getByText(/1 dashboard/)).toBeInTheDocument();
+        expect(screen.getByText(/1 library panel/)).toBeInTheDocument();
+        expect(screen.getByText(/1 alert rule/)).toBeInTheDocument();
+      });
+
+      it('shows an error if one of the folder counts cannot be fetched', async () => {
+        props.selectedItems.folder = {
+          [folderA.item.uid]: true,
+          [folderB.item.uid]: true,
+        };
+        render(<MoveModal {...props} />);
+
+        expect(await screen.findByRole('alert', { name: /unable to retrieve/i })).toBeInTheDocument();
+      });
+    });
+  });
+
   it('enables the `Move` button once a folder is selected', async () => {
     const { user } = render(<MoveModal {...props} />);
 

public/app/features/browse-dashboards/components/BrowseActions/MoveModal.tsx

@@ -55,7 +55,7 @@ export const MoveModal = ({ onConfirm, onDismiss, selectedItems, ...props }: Pro
 
       <Space v={3} />
 
-      <Field label={t('browse-dashboards.action.move-modal-field-label', 'Folder name')}>
+      <Field noMargin label={t('browse-dashboards.action.move-modal-field-label', 'Folder name')}>
         <ProvisioningAwareFolderPicker
           value={moveTarget}
           excludeUIDs={selectedFolders}

public/app/types/folders.ts

@@ -47,6 +47,11 @@ export interface FolderState {
   version: number;
 }
 
+/**
+ * API response from `/api/folders/${folderUID}/counts`
+ * @deprecated The properties here are inconsistently named with App Platform API responses.
+ * Avoid using this type as it will be removed after app platform folder migration is complete
+ */
 export interface DescendantCountDTO {
   folder: number;
   dashboard: number;
@@ -54,12 +59,9 @@ export interface DescendantCountDTO {
   alertrule: number;
 }
 
-export interface DescendantCount {
-  folder: number;
-  dashboard: number;
-  libraryPanel: number;
-  alertRule: number;
-}
+type DescendantResource = 'folders' | 'dashboards' | 'library_elements' | 'alertrules';
+/** Summary of descendant counts by resource type, with keys matching the App Platform API response */
+export interface DescendantCount extends Record<DescendantResource, number> {}
 
 export interface FolderInfo {
   /**