feat: use state params to keep query and filter while searching

src/course-home/courseware-search/CoursewareResultsFilter.jsx

@@ -5,6 +5,7 @@ import { Tabs, Tab } from '@edx/paragon';
 import { useParams } from 'react-router';
 import CoursewareSearchResults from './CoursewareSearchResults';
 import messages from './messages';
+import { useCoursewareSearchParams } from './hooks';
 import { useModel } from '../../generic/model-store';
 
 const noFilterKey = 'none';
@@ -17,6 +18,7 @@ export const filteredResultsBySelection = ({ key = noFilterKey, results = [] })
 export const CoursewareSearchResultsFilter = ({ intl }) => {
   const { courseId } = useParams();
   const lastSearch = useModel('contentSearchResults', courseId);
+  const { filter: filterKeyword, setFilter } = useCoursewareSearchParams();
 
   if (!lastSearch || !lastSearch?.results?.length) { return null; }
 
@@ -31,6 +33,8 @@ export const CoursewareSearchResultsFilter = ({ intl }) => {
     ...lastSearch.filters,
   ];
 
+  const activeKey = filters.find(({ key }) => key === filterKeyword)?.key || noFilterKey;
+
   const getFilterTitle = (key, fallback) => {
     const msg = messages[`filter:${key}`];
     if (!msg) { return fallback; }
@@ -42,7 +46,8 @@ export const CoursewareSearchResultsFilter = ({ intl }) => {
       id="courseware-search-results-tabs"
       data-testid="courseware-search-results-tabs"
       variant="tabs"
-      defaultActiveKey={noFilterKey}
+      activeKey={activeKey}
+      onSelect={setFilter}
     >
       {filters.map(({ key, label }) => (
         <Tab key={key} eventKey={key} title={getFilterTitle(key, label)}>

src/course-home/courseware-search/CoursewareResultsFilter.test.jsx

@@ -9,10 +9,12 @@ import {
   waitFor,
 } from '../../setupTest';
 import { CoursewareSearchResultsFilter, filteredResultsBySelection } from './CoursewareResultsFilter';
+import { useCoursewareSearchParams } from './hooks';
 import initializeStore from '../../store';
 import { useModel } from '../../generic/model-store';
 import searchResultsFactory from './test-data/search-results-factory';
 
+jest.mock('./hooks');
 jest.mock('../../generic/model-store', () => ({
   useModel: jest.fn(),
 }));
@@ -47,6 +49,14 @@ const intl = {
   formatMessage: (message) => message?.defaultMessage || '',
 };
 
+const coursewareSearch = {
+  query: '',
+  filter: '',
+  setQuery: jest.fn(),
+  setFilter: jest.fn(),
+  clearSearchParams: jest.fn(),
+};
+
 function renderComponent(props = {}) {
   const store = initializeStore();
   history.push(pathname);
@@ -101,6 +111,7 @@ describe('CoursewareSearchResultsFilter', () => {
     });
 
     it('should render', async () => {
+      useCoursewareSearchParams.mockReturnValue(coursewareSearch);
       useModel.mockReturnValue(searchResultsFactory());
 
       await renderComponent();

src/course-home/courseware-search/CoursewareSearch.jsx

@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { useEffect } from 'react';
 import { useParams } from 'react-router';
 import { useDispatch } from 'react-redux';
 import { sendTrackingLogEvent } from '@edx/frontend-platform/analytics';
@@ -10,7 +10,7 @@ import {
   Close,
 } from '@edx/paragon/icons';
 import { setShowSearch } from '../data/slice';
-import { useElementBoundingBox, useLockScroll } from './hooks';
+import { useCoursewareSearchParams, useElementBoundingBox, useLockScroll } from './hooks';
 import messages from './messages';
 
 import CoursewareSearchForm from './CoursewareSearchForm';
@@ -20,6 +20,7 @@ import { searchCourseContent } from '../data/thunks';
 
 const CoursewareSearch = ({ intl, ...sectionProps }) => {
   const { courseId } = useParams();
+  const { query: searchKeyword, setQuery, clearSearchParams } = useCoursewareSearchParams();
   const dispatch = useDispatch();
   const { org } = useModel('courseHomeMeta', courseId);
   const {
@@ -28,14 +29,14 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
     errors,
     total,
   } = useModel('contentSearchResults', courseId);
-  const [searchKeyword, setSearchKeyword] = useState(lastSearchKeyword);
 
   useLockScroll();
 
   const info = useElementBoundingBox('courseTabsNavigation');
   const top = info ? `${Math.floor(info.top)}px` : 0;
 
   const clearSearch = () => {
+    clearSearchParams();
     dispatch(updateModel({
       modelType: 'contentSearchResults',
       model: {
@@ -48,8 +49,8 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
     }));
   };
 
-  const handleSubmit = () => {
-    if (!searchKeyword) {
+  const handleSubmit = (value) => {
+    if (!value) {
       clearSearch();
       return;
     }
@@ -58,20 +59,25 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
       org_key: org,
       courserun_key: courseId,
       event_type: 'searchKeyword',
-      keyword: searchKeyword,
+      keyword: value,
     });
 
-    dispatch(searchCourseContent(courseId, searchKeyword));
+    dispatch(searchCourseContent(courseId, value));
+    setQuery(value);
   };
 
+  useEffect(() => {
+    handleSubmit(searchKeyword);
+  }, []);
+
   const handleOnChange = (value) => {
     if (value === searchKeyword) { return; }
+    if (!value) { clearSearch(); }
+  };
 
-    setSearchKeyword(value);
-
-    if (!value) {
-      clearSearch();
-    }
+  const handleSearchCloseClick = () => {
+    clearSearch();
+    dispatch(setShowSearch(false));
   };
 
   let status = 'idle';
@@ -90,7 +96,7 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
           variant="tertiary"
           className="p-1"
           aria-label={intl.formatMessage(messages.searchCloseAction)}
-          onClick={() => dispatch(setShowSearch(false))}
+          onClick={handleSearchCloseClick}
           data-testid="courseware-search-close-button"
         ><Icon src={Close} />
         </Button>

src/course-home/courseware-search/CoursewareSearch.test.jsx

@@ -11,11 +11,11 @@ import {
   fireEvent,
 } from '../../setupTest';
 import { CoursewareSearch } from './index';
-import { useElementBoundingBox, useLockScroll } from './hooks';
+import { useElementBoundingBox, useLockScroll, useCoursewareSearchParams } from './hooks';
 import initializeStore from '../../store';
-import { useModel, updateModel } from '../../generic/model-store';
 import { searchCourseContent } from '../data/thunks';
 import { setShowSearch } from '../data/slice';
+import { updateModel, useModel } from '../../generic/model-store';
 
 jest.mock('./hooks');
 jest.mock('../../generic/model-store', () => ({
@@ -56,6 +56,14 @@ const defaultProps = {
   total: 0,
 };
 
+const coursewareSearch = {
+  query: '',
+  filter: '',
+  setQuery: jest.fn(),
+  setFilter: jest.fn(),
+  clearSearchParams: jest.fn(),
+};
+
 const intl = {
   formatMessage: (message) => message?.defaultMessage || '',
 };
@@ -73,11 +81,23 @@ function renderComponent(props = {}) {
   return container;
 }
 
-const mockModels = ((props) => {
+const mockModels = ((props = defaultProps) => {
   useModel.mockReturnValue({
     ...defaultProps,
     ...props,
   });
+
+  updateModel.mockReturnValue({
+    type: 'MOCK_ACTION',
+    payload: {
+      modelType: 'contentSearchResults',
+      model: defaultProps,
+    },
+  });
+});
+
+const mockSearchParams = ((props = coursewareSearch) => {
+  useCoursewareSearchParams.mockReturnValue(props);
 });
 
 describe('CoursewareSearch', () => {
@@ -94,6 +114,7 @@ describe('CoursewareSearch', () => {
 
     it('should use useElementBoundingBox() and useLockScroll() hooks', () => {
       mockModels();
+      mockSearchParams();
       renderComponent();
 
       expect(useElementBoundingBox).toBeCalledTimes(1);
@@ -102,6 +123,7 @@ describe('CoursewareSearch', () => {
 
     it('should have a "--modal-top-position" CSS variable matching the CourseTabsNavigation top position', () => {
       mockModels();
+      mockSearchParams();
       renderComponent();
 
       const section = screen.getByTestId('courseware-search-section');
@@ -128,6 +150,7 @@ describe('CoursewareSearch', () => {
       useElementBoundingBox.mockImplementation(() => undefined);
 
       mockModels();
+      mockSearchParams();
       renderComponent();
 
       const section = screen.getByTestId('courseware-search-section');
@@ -138,6 +161,7 @@ describe('CoursewareSearch', () => {
   describe('when passing extra props', () => {
     it('should pass on extra props to section element', () => {
       mockModels();
+      mockSearchParams();
       renderComponent({ foo: 'bar' });
 
       const section = screen.getByTestId('courseware-search-section');

src/course-home/courseware-search/CoursewareSearchToggle.jsx

@@ -1,17 +1,26 @@
-import React from 'react';
+import React, { useEffect } from 'react';
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { Button, Icon } from '@edx/paragon';
 import { Search } from '@edx/paragon/icons';
 import { useDispatch } from 'react-redux';
-import { setShowSearch } from '../data/slice';
 import messages from './messages';
-import { useCoursewareSearchFeatureFlag } from './hooks';
+import { useCoursewareSearchFeatureFlag, useCoursewareSearchParams } from './hooks';
+import { setShowSearch } from '../data/slice';
 
 const CoursewareSearchToggle = ({
   intl,
 }) => {
   const dispatch = useDispatch();
   const enabled = useCoursewareSearchFeatureFlag();
+  const { query } = useCoursewareSearchParams();
+
+  const handleSearchOpenClick = () => {
+    dispatch(setShowSearch(true));
+  };
+
+  useEffect(() => {
+    if (enabled && !!query) { handleSearchOpenClick(); }
+  }, [enabled]);
 
   if (!enabled) { return null; }
 
@@ -22,7 +31,7 @@ const CoursewareSearchToggle = ({
         size="sm"
         className="p-1 mt-2 mr-2 rounded-lg"
         aria-label={intl.formatMessage(messages.searchOpenAction)}
-        onClick={() => dispatch(setShowSearch(true))}
+        onClick={handleSearchOpenClick}
         data-testid="courseware-search-open-button"
       >
         <Icon src={Search} />

src/course-home/courseware-search/CoursewareSearchToggle.test.jsx

@@ -12,14 +12,33 @@ import { setShowSearch } from '../data/slice';
 import { CoursewareSearchToggle } from './index';
 
 const mockDispatch = jest.fn();
+const mockCoursewareSearchParams = jest.fn();
 
 jest.mock('../data/thunks');
 jest.mock('../data/slice');
+
 jest.mock('react-redux', () => ({
   ...jest.requireActual('react-redux'),
   useDispatch: () => mockDispatch,
 }));
 
+jest.mock('./hooks', () => ({
+  ...jest.requireActual('./hooks'),
+  useCoursewareSearchParams: () => mockCoursewareSearchParams,
+}));
+
+const coursewareSearch = {
+  query: '',
+  filter: '',
+  setQuery: jest.fn(),
+  setFilter: jest.fn(),
+  clearSearchParams: jest.fn(),
+};
+
+const mockSearchParams = ((props = coursewareSearch) => {
+  mockCoursewareSearchParams.mockReturnValue(props);
+});
+
 function renderComponent() {
   const { container } = render(<CoursewareSearchToggle />);
   return container;
@@ -36,6 +55,7 @@ describe('CoursewareSearchToggle', () => {
 
   it('Should not render when the waffle flag is disabled', async () => {
     fetchCoursewareSearchSettings.mockImplementation(() => Promise.resolve({ enabled: false }));
+    mockSearchParams();
 
     await act(async () => renderComponent());
     await waitFor(() => {
@@ -46,6 +66,8 @@ describe('CoursewareSearchToggle', () => {
 
   it('Should render when the waffle flag is enabled', async () => {
     fetchCoursewareSearchSettings.mockImplementation(() => Promise.resolve({ enabled: true }));
+    mockSearchParams();
+
     await act(async () => renderComponent());
 
     await waitFor(() => {
@@ -56,6 +78,8 @@ describe('CoursewareSearchToggle', () => {
 
   it('Should dispatch setShowSearch(true) when clicking the search button', async () => {
     fetchCoursewareSearchSettings.mockImplementation(() => Promise.resolve({ enabled: true }));
+    mockSearchParams();
+
     await act(async () => renderComponent());
     const button = await screen.findByTestId('courseware-search-open-button');
     fireEvent.click(button);

src/course-home/courseware-search/hooks.js

@@ -1,5 +1,5 @@
 import { useState, useEffect, useLayoutEffect } from 'react';
-import { useParams } from 'react-router-dom';
+import { useParams, useSearchParams } from 'react-router-dom';
 import { useSelector } from 'react-redux';
 import { debounce } from 'lodash';
 import { fetchCoursewareSearchSettings } from '../data/thunks';
@@ -69,3 +69,18 @@ export function useLockScroll() {
     };
   }, []);
 }
+
+export function useCoursewareSearchParams() {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const clearSearchParams = () => setSearchParams({ q: '', f: '' });
+
+  const query = searchParams.get('q');
+  const filter = searchParams.get('f');
+
+  const setQuery = (q) => setSearchParams((params) => ({ q, f: params.get('f') }));
+  const setFilter = (f) => setSearchParams((params) => ({ q: params.get('q'), f }));
+
+  return {
+    query, filter, setQuery, setFilter, clearSearchParams,
+  };
+}