Add feature flag to restrict access to the inventory report button to…

… sysadmins. (PP-1329) (#115)

* Add feature flags to context.

* Use `reportsOnlyForSysadmins` to control access to inventory reports.

src/components/ContextProvider.tsx

@@ -17,7 +17,7 @@ export interface ContextProviderProps extends React.Props<ContextProvider> {
     role: string;
     library?: string;
   }[];
-  featureFlags?: FeatureFlags;
+  featureFlags: FeatureFlags;
 }
 
 /** Provides a redux store, configuration options, and a function to create URLs
@@ -81,6 +81,7 @@ export default class ContextProvider extends React.Component<
     showCircEventsDownload: PropTypes.bool.isRequired,
     settingUp: PropTypes.bool.isRequired,
     admin: PropTypes.object.isRequired,
+    featureFlags: PropTypes.object.isRequired,
   };
 
   getChildContext() {
@@ -90,6 +91,7 @@ export default class ContextProvider extends React.Component<
       showCircEventsDownload: this.props.showCircEventsDownload || false,
       settingUp: this.props.settingUp || false,
       admin: this.admin,
+      featureFlags: this.props.featureFlags,
     };
   }
 

src/components/InventoryReportRequestModal.tsx

@@ -37,8 +37,9 @@ const CANCEL_BUTTON_TITLE = "Cancel Report Request";
 export const ACK_RESPONSE_BUTTON_CONTENT = "Ok";
 const ACK_RESPONSE_BUTTON_TITLE = "Acknowledge Response";
 
-// Create a modal to request an inventory report library and email address and to report on success.
-// *** To use the legacy context here, we need to create a `contextProps` property on this function object:
+// Create a modal to request an inventory report and to describe outcome.
+// *** To use the legacy context here, we need to create a `contextTypes` property on this function object
+// ***   and add `context` types to the function definition.
 // ***   InventoryReportRequestModal.contextTypes = { email: PropTypes.string }
 // *** See: https://legacy.reactjs.org/docs/legacy-context.html#referencing-context-in-stateless-function-components
 const InventoryReportRequestModal = (

src/components/LibraryStats.tsx

@@ -2,6 +2,7 @@ import * as React from "react";
 import { useState } from "react";
 import * as numeral from "numeral";
 import {
+  FeatureFlags,
   InventoryStatistics,
   LibraryStatistics,
   PatronStatistics,
@@ -18,6 +19,8 @@ import {
 import { Button } from "library-simplified-reusable-components";
 import InventoryReportRequestModal from "./InventoryReportRequestModal";
 import SingleStatListItem from "./SingleStatListItem";
+import * as PropTypes from "prop-types";
+import Admin from "../models/Admin";
 
 export interface LibraryStatsProps {
   stats: LibraryStatistics;
@@ -48,7 +51,14 @@ const inventoryKeyToLabelMap = {
 
 /** Displays statistics about patrons, licenses, and collections from the server,
  for a single library or all libraries the admin has access to. */
-const LibraryStats = (props: LibraryStatsProps) => {
+// *** To use the legacy context here, we need to create a `contextTypes` property on this function object
+// ***   and add `context` types to the function definition.
+// ***   LibraryStats.contextTypes = { email: PropTypes.string }
+// *** See: https://legacy.reactjs.org/docs/legacy-context.html#referencing-context-in-stateless-function-components
+const LibraryStats = (
+  props: LibraryStatsProps,
+  context: { admin: Admin; featureFlags: FeatureFlags }
+) => {
   const { stats, library } = props;
   const {
     name: libraryName,
@@ -58,6 +68,11 @@ const LibraryStats = (props: LibraryStatsProps) => {
     patronStatistics: patrons,
   } = stats || {};
 
+  // A feature flag controls whether to show the inventory report form.
+  const inventoryReportRequestEnabled =
+    !context.featureFlags.reportsOnlyForSysadmins ||
+    context.admin.isSystemAdmin();
+
   const chartItems = collections
     ?.map(({ name, inventory, inventoryByMedium }) => ({
       name,
@@ -77,7 +92,11 @@ const LibraryStats = (props: LibraryStatsProps) => {
         <li className="stat-group">{renderPatronsGroup(patrons)}</li>
         <li className="stat-group">{renderCirculationsGroup(patrons)}</li>
         <li className="stat-group">
-          {renderInventoryGroup(inventory, library)}
+          {renderInventoryGroup(
+            inventory,
+            inventoryReportRequestEnabled,
+            library
+          )}
         </li>
         <li className="stat-group stat-group-wide">
           {renderCollectionsGroup(chartItems)}
@@ -86,6 +105,13 @@ const LibraryStats = (props: LibraryStatsProps) => {
     </div>
   );
 };
+// TODO: This is needed to support legacy context provider on this component (see above).
+//  The overall approach should be replaced with another mechanism (e.g., `useContext` or
+//  `useSelector` if we move `email` to new context provider or Redux, respectively).
+LibraryStats.contextTypes = {
+  admin: PropTypes.object.isRequired,
+  featureFlags: PropTypes.object.isRequired,
+};
 
 const renderPatronsGroup = (patrons: PatronStatistics) => {
   return (
@@ -137,13 +163,14 @@ const renderCirculationsGroup = (patrons: PatronStatistics) => {
 
 const renderInventoryGroup = (
   inventory: InventoryStatistics,
+  inventoryReportsEnabled: boolean,
   library?: string
 ) => {
   const [showReportForm, setShowReportForm] = useState(false);
 
   return (
     <>
-      {library && (
+      {inventoryReportsEnabled && library && (
         <InventoryReportRequestModal
           show={showReportForm}
           onHide={() => setShowReportForm(false)}
@@ -152,7 +179,7 @@ const renderInventoryGroup = (
       )}
       <h3>
         <span className="stat-grouping-label">Inventory</span>
-        {library && (
+        {inventoryReportsEnabled && library && (
           <Button
             callback={(() => setShowReportForm(true)) as any}
             content="⬇︎"

src/components/__tests__/ContextProvider-test.tsx

@@ -19,6 +19,7 @@ describe("ContextProvider", () => {
     wrapper = shallow(
       <ContextProvider
         csrfToken="token"
+        featureFlags={{}}
         roles={[{ role: "system" }]}
         email="email"
       >
@@ -89,7 +90,7 @@ describe("ContextProvider", () => {
     }
 
     const mockProvider = mount(
-      <MockContextProvider csrfToken="token">
+      <MockContextProvider csrfToken="token" featureFlags={{}}>
         <Child />
       </MockContextProvider>
     );

src/components/__tests__/LibraryStats-test.tsx

@@ -20,7 +20,11 @@ import {
 const AllProviders = ({ children }) => {
   const queryClient = new QueryClient();
   return (
-    <ContextProvider csrfToken={""} email={"user@example.org"}>
+    <ContextProvider
+      csrfToken={""}
+      featureFlags={{}}
+      email={"user@example.org"}
+    >
       <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
     </ContextProvider>
   );

src/components/__tests__/Stats-test.tsx

@@ -43,7 +43,11 @@ describe("Stats", () => {
     const AllProviders = ({ children, store }) => {
       return (
         <Provider store={store ?? mockStore(statsState({}))}>
-          <ContextProvider csrfToken={""} email={"user@example.org"}>
+          <ContextProvider
+            csrfToken={""}
+            featureFlags={{}}
+            email={"user@example.org"}
+          >
             <QueryClientProvider client={new QueryClient()}>
               {children}
             </QueryClientProvider>

src/index.tsx

@@ -18,6 +18,7 @@ import SetupPage from "./components/SetupPage";
 import ManagePatrons from "./components/ManagePatrons";
 import TroubleshootingPage from "./components/TroubleshootingPage";
 import { FeatureFlags } from "./interfaces";
+import { defaultFeatureFlags } from "./utils/featureFlags";
 
 interface ConfigurationSettings {
   /** A token generated by the server to prevent Cross-Site Request Forgery.
@@ -39,7 +40,7 @@ interface ConfigurationSettings {
   /** `email` will be the email address of the currently logged in admin. */
   email?: string;
 
-  /** `roles` contains the logged in admin's roles: system admininstrator,
+  /** `roles` contains the logged in admin's roles: system administrator,
       or library manager or librarian for one or more libraries. */
   roles?: {
     role: string;
@@ -49,7 +50,7 @@ interface ConfigurationSettings {
   tos_link_text?: string;
   tos_link_href?: string;
 
-  featureFlags?: FeatureFlags;
+  featureFlags: FeatureFlags;
 }
 
 /** The main admin interface application. Create an instance of this class
@@ -59,6 +60,7 @@ class CirculationAdmin {
     const div = document.createElement("div");
     div.id = "opds-catalog";
     div.className = "palace";
+    config.featureFlags = { ...defaultFeatureFlags, ...config.featureFlags };
     document.getElementsByTagName("body")[0].appendChild(div);
 
     const catalogEditorPath =

src/interfaces.ts

@@ -2,6 +2,7 @@
 
 export interface FeatureFlags {
   enableAutoList?: boolean;
+  reportsOnlyForSysadmins?: boolean;
 }
 
 export interface Navigate {

src/utils/featureFlags.ts

@@ -0,0 +1,9 @@
+import { FeatureFlags } from "../interfaces";
+
+/**
+ * Default values for our feature flags.
+ */
+export const defaultFeatureFlags: FeatureFlags = {
+  enableAutoList: true,
+  reportsOnlyForSysadmins: true,
+};

tests/jest/components/CustomLists.test.tsx

@@ -31,6 +31,7 @@ describe("CustomLists", () => {
 
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [{ role: "system" }],
     };
 
@@ -70,6 +71,7 @@ describe("CustomLists", () => {
 
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [{ role: "system" }],
     };
 
@@ -121,6 +123,7 @@ describe("CustomLists", () => {
 
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [{ role: "system" }],
     };
 
@@ -164,6 +167,7 @@ describe("CustomLists", () => {
 
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [{ role: "system" }],
     };
 

tests/jest/components/IndividualAdminEditForm.test.tsx

@@ -10,6 +10,7 @@ describe("IndividualAdminEditForm", () => {
 
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [
         {
           role: "system",

tests/jest/components/QuicksightDashboard.test.tsx

@@ -37,6 +37,7 @@ describe("QuicksightDashboard", () => {
   it("embed url is retrieved and set in iframe", async () => {
     const contextProviderProps = {
       csrfToken: "",
+      featureFlags: {},
       roles: [{ role: "system" }],
     };
 

tests/jest/components/Stats.test.tsx

@@ -1,6 +1,16 @@
 import * as React from "react";
 import { render } from "@testing-library/react";
-import { CustomTooltip } from "../../../src/components/LibraryStats";
+import LibraryStats, {
+  CustomTooltip,
+} from "../../../src/components/LibraryStats";
+import { renderWithProviders } from "../testUtils/withProviders";
+import { ContextProviderProps } from "../../../src/components/ContextProvider";
+
+import {
+  statisticsApiResponseData,
+  testLibraryKey as sampleLibraryKey,
+} from "../../__data__/statisticsApiResponseData";
+import { normalizeStatistics } from "../../../src/components/Stats";
 
 describe("Dashboard Statistics", () => {
   // NB: This adds test to the already existing tests in:
@@ -11,6 +21,57 @@ describe("Dashboard Statistics", () => {
   // Those tests should eventually be migrated here and
   // adapted to the Jest/React Testing Library paradigm.
 
+  describe("requesting inventory reports", () => {
+    // Convert from the API format to our in-app format.
+    const statisticsData = normalizeStatistics(statisticsApiResponseData);
+    const librariesStatsTestDataByKey = statisticsData.libraries.reduce(
+      (map, library) => ({ ...map, [library.key]: library }),
+      {}
+    );
+    const sampleStatsData = librariesStatsTestDataByKey[sampleLibraryKey];
+
+    const systemAdmin = [{ role: "system" }];
+    const managerAll = [{ role: "manager-all" }];
+    const librarianAll = [{ role: "librarian-all" }];
+
+    const baseContextProviderProps = {
+      csrfToken: "",
+      featureFlags: { reportsOnlyForSysadmins: false },
+    };
+
+    const renderFor = (
+      onlySysadmins: boolean,
+      roles: { role: string; library?: string }[]
+    ) => {
+      const contextProviderProps: ContextProviderProps = {
+        ...baseContextProviderProps,
+        featureFlags: { reportsOnlyForSysadmins: onlySysadmins },
+        roles,
+      };
+
+      const { container, queryByRole } = renderWithProviders(
+        <LibraryStats stats={sampleStatsData} library={sampleLibraryKey} />,
+        { contextProviderProps }
+      );
+
+      const result = queryByRole("button", { name: "⬇︎" });
+      // Clean up the container after each render.
+      document.body.removeChild(container);
+      return result;
+    };
+
+    it("shows inventory reports only for sysadmins, if feature flag set", async () => {
+      // If the feature flag is set, the button should be visible only to sysadmins.
+      expect(renderFor(true, systemAdmin)).not.toBeNull();
+      expect(renderFor(true, managerAll)).toBeNull();
+      expect(renderFor(true, librarianAll)).toBeNull();
+      // If the feature flag is false, the button should be visible to all users.
+      expect(renderFor(false, systemAdmin)).not.toBeNull();
+      expect(renderFor(false, managerAll)).not.toBeNull();
+      expect(renderFor(false, librarianAll)).not.toBeNull();
+    });
+  });
+
   describe("charting - custom tooltip", () => {
     const defaultLabel = "Collection X";
     const summaryInventory = {

tests/jest/testUtils/withProviders.tsx

@@ -4,6 +4,7 @@ import ContextProvider, {
 } from "../../../src/components/ContextProvider";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { render, RenderOptions, RenderResult } from "@testing-library/react";
+import { defaultFeatureFlags } from "../../../src/utils/featureFlags";
 
 export type TestProviderWrapperOptions = {
   contextProviderProps?: Partial<ContextProviderProps>;
@@ -15,7 +16,10 @@ export type TestRenderWrapperOptions = TestProviderWrapperOptions & {
 
 // The `csrfToken` context provider prop is required, so we provide
 // a default value here, so it can be easily merged with other props.
-const defaultContextProviderProps = { csrfToken: "" };
+const defaultContextProviderProps: ContextProviderProps = {
+  csrfToken: "",
+  featureFlags: defaultFeatureFlags,
+};
 
 /**
  * Returns a component, composed with our providers, that can be used to wrap
@@ -27,7 +31,10 @@ const defaultContextProviderProps = { csrfToken: "" };
  * @returns {React.FunctionComponent} A React component that wraps children with our providers
  */
 export const componentWithProviders = ({
-  contextProviderProps = { csrfToken: "" },
+  contextProviderProps = {
+    csrfToken: "",
+    featureFlags: defaultFeatureFlags,
+  },
   queryClient = new QueryClient(),
 }: TestProviderWrapperOptions): React.FunctionComponent => {
   const effectiveContextProviderProps = {