Add trends UI with admin and user settings (#11502)

app/javascript/mastodon/actions/trends.js

@@ -0,0 +1,32 @@
+import api from '../api';
+
+export const TRENDS_FETCH_REQUEST = 'TRENDS_FETCH_REQUEST';
+export const TRENDS_FETCH_SUCCESS = 'TRENDS_FETCH_SUCCESS';
+export const TRENDS_FETCH_FAIL    = 'TRENDS_FETCH_FAIL';
+
+export const fetchTrends = () => (dispatch, getState) => {
+  dispatch(fetchTrendsRequest());
+
+  api(getState)
+    .get('/api/v1/trends')
+    .then(({ data }) => dispatch(fetchTrendsSuccess(data)))
+    .catch(err => dispatch(fetchTrendsFail(err)));
+};
+
+export const fetchTrendsRequest = () => ({
+  type: TRENDS_FETCH_REQUEST,
+  skipLoading: true,
+});
+
+export const fetchTrendsSuccess = trends => ({
+  type: TRENDS_FETCH_SUCCESS,
+  trends,
+  skipLoading: true,
+});
+
+export const fetchTrendsFail = error => ({
+  type: TRENDS_FETCH_FAIL,
+  error,
+  skipLoading: true,
+  skipAlert: true,
+});

app/javascript/mastodon/features/getting_started/components/trends.js

@@ -0,0 +1,43 @@
+import React from 'react';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Hashtag from 'mastodon/components/hashtag';
+
+export default class Trends extends ImmutablePureComponent {
+
+  static defaultProps = {
+    loading: false,
+  };
+
+  static propTypes = {
+    trends: ImmutablePropTypes.list,
+    fetchTrends: PropTypes.func.isRequired,
+  };
+
+  componentDidMount () {
+    this.props.fetchTrends();
+    this.refreshInterval = setInterval(() => this.props.fetchTrends(), 36000);
+  }
+
+  componentWillUnmount () {
+    if (this.refreshInterval) {
+      clearInterval(this.refreshInterval);
+    }
+  }
+
+  render () {
+    const { trends } = this.props;
+
+    if (!trends || trends.isEmpty()) {
+      return null;
+    }
+
+    return (
+      <div className='getting-started__trends'>
+        {trends.take(3).map(hashtag => <Hashtag key={hashtag.get('name')} hashtag={hashtag} />)}
+      </div>
+    );
+  }
+
+}

app/javascript/mastodon/features/getting_started/containers/trends_container.js

@@ -0,0 +1,13 @@
+import { connect } from 'react-redux';
+import { fetchTrends } from '../../../actions/trends';
+import Trends from '../components/trends';
+
+const mapStateToProps = state => ({
+  trends: state.getIn(['trends', 'items']),
+});
+
+const mapDispatchToProps = dispatch => ({
+  fetchTrends: () => dispatch(fetchTrends()),
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(Trends);

app/javascript/mastodon/features/getting_started/index.js

@@ -7,12 +7,13 @@ import { connect } from 'react-redux';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import { me, profile_directory } from '../../initial_state';
+import { me, profile_directory, showTrends } from '../../initial_state';
 import { fetchFollowRequests } from 'mastodon/actions/accounts';
 import { List as ImmutableList } from 'immutable';
 import NavigationBar from '../compose/components/navigation_bar';
 import Icon from 'mastodon/components/icon';
 import LinkFooter from 'mastodon/features/ui/components/link_footer';
+import TrendsContainer from './containers/trends_container';
 
 const messages = defineMessages({
   home_timeline: { id: 'tabs_bar.home', defaultMessage: 'Home' },
@@ -168,6 +169,8 @@ class GettingStarted extends ImmutablePureComponent {
 
           <LinkFooter withHotkeys={multiColumn} />
         </div>
+
+        {multiColumn && showTrends && <TrendsContainer />}
       </Column>
     );
   }

app/javascript/mastodon/features/ui/components/navigation_panel.js

@@ -2,10 +2,11 @@ import React from 'react';
 import { NavLink, withRouter } from 'react-router-dom';
 import { FormattedMessage } from 'react-intl';
 import Icon from 'mastodon/components/icon';
-import { profile_directory } from 'mastodon/initial_state';
+import { profile_directory, showTrends } from 'mastodon/initial_state';
 import NotificationsCounterIcon from './notifications_counter_icon';
 import FollowRequestsNavLink from './follow_requests_nav_link';
 import ListPanel from './list_panel';
+import TrendsContainer from 'mastodon/features/getting_started/containers/trends_container';
 
 const NavigationPanel = () => (
   <div className='navigation-panel'>
@@ -25,6 +26,9 @@ const NavigationPanel = () => (
     <a className='column-link column-link--transparent' href='/settings/preferences'><Icon className='column-link__icon' id='cog' fixedWidth /><FormattedMessage id='navigation_bar.preferences' defaultMessage='Preferences' /></a>
     <a className='column-link column-link--transparent' href='/relationships'><Icon className='column-link__icon' id='users' fixedWidth /><FormattedMessage id='navigation_bar.follows_and_followers' defaultMessage='Follows and followers' /></a>
     {!!profile_directory && <a className='column-link column-link--transparent' href='/explore'><Icon className='column-link__icon' id='address-book-o' fixedWidth /><FormattedMessage id='navigation_bar.profile_directory' defaultMessage='Profile directory' /></a>}
+
+    {showTrends && <div className='flex-spacer' />}
+    {showTrends && <TrendsContainer />}
   </div>
 );
 

app/javascript/mastodon/initial_state.js

@@ -22,5 +22,6 @@ export const isStaff = getMeta('is_staff');
 export const forceSingleColumn = !getMeta('advanced_layout');
 export const useBlurhash = getMeta('use_blurhash');
 export const usePendingItems = getMeta('use_pending_items');
+export const showTrends = getMeta('trends');
 
 export default initialState;

app/javascript/mastodon/reducers/index.js

@@ -31,6 +31,7 @@ import conversations from './conversations';
 import suggestions from './suggestions';
 import polls from './polls';
 import identity_proofs from './identity_proofs';
+import trends from './trends';
 
 const reducers = {
   dropdown_menu,
@@ -65,6 +66,7 @@ const reducers = {
   conversations,
   suggestions,
   polls,
+  trends,
 };
 
 export default combineReducers(reducers);

app/javascript/mastodon/reducers/settings.js

@@ -12,6 +12,10 @@ const initialState = ImmutableMap({
 
   skinTone: 1,
 
+  trends: ImmutableMap({
+    show: true,
+  }),
+
   home: ImmutableMap({
     shows: ImmutableMap({
       reblog: true,

app/javascript/mastodon/reducers/trends.js

@@ -0,0 +1,23 @@
+import { TRENDS_FETCH_REQUEST, TRENDS_FETCH_SUCCESS, TRENDS_FETCH_FAIL } from '../actions/trends';
+import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable';
+
+const initialState = ImmutableMap({
+  items: ImmutableList(),
+  isLoading: false,
+});
+
+export default function trendsReducer(state = initialState, action) {
+  switch(action.type) {
+  case TRENDS_FETCH_REQUEST:
+    return state.set('isLoading', true);
+  case TRENDS_FETCH_SUCCESS:
+    return state.withMutations(map => {
+      map.set('items', fromJS(action.trends));
+      map.set('isLoading', false);
+    });
+  case TRENDS_FETCH_FAIL:
+    return state.set('isLoading', false);
+  default:
+    return state;
+  }
+};