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

app/controllers/settings/preferences_controller.rb

@@ -56,6 +56,7 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_advanced_layout,
       :setting_use_blurhash,
       :setting_use_pending_items,
+      :setting_trends,
       notification_emails: %i(follow follow_request reblog favourite mention digest report pending_account trending_tag),
       interactions: %i(must_be_follower must_be_following must_be_following_dm)
     )

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;
+  }
+};

app/javascript/styles/mastodon/components.scss

@@ -2212,7 +2212,6 @@ a.account__display-name {
   }
 
   .getting-started__wrapper,
-  .getting-started__trends,
   .search {
     margin-bottom: 10px;
   }
@@ -2319,13 +2318,24 @@ a.account__display-name {
   margin-bottom: 10px;
   height: calc(100% - 20px);
   overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+
+  & > a {
+    flex: 0 0 auto;
+  }
 
   hr {
+    flex: 0 0 auto;
     border: 0;
     background: transparent;
     border-top: 1px solid lighten($ui-base-color, 4%);
     margin: 10px 0;
   }
+
+  .flex-spacer {
+    background: transparent;
+  }
 }
 
 .drawer__pager {
@@ -2717,8 +2727,10 @@ a.account__display-name {
   }
 
   &__trends {
-    background: $ui-base-color;
     flex: 0 1 auto;
+    opacity: 1;
+    animation: fade 150ms linear;
+    margin-top: 10px;
 
     @media screen and (max-height: 810px) {
       .trends__item:nth-child(3) {
@@ -2735,11 +2747,15 @@ a.account__display-name {
     @media screen and (max-height: 670px) {
       display: none;
     }
-  }
 
-  &__scrollable {
+    .trends__item {
-    max-height: 100%;
+      border-bottom: 0;
-    overflow-y: auto;
+      padding: 10px;
+
+      &__current {
+        color: $darker-text-color;
+      }
+    }
   }
 }
 
@@ -5968,7 +5984,8 @@ noscript {
       font-size: 24px;
       line-height: 36px;
       font-weight: 500;
-      text-align: center;
+      text-align: right;
+      padding-right: 15px;
       color: $secondary-text-color;
     }
 
@@ -5976,7 +5993,12 @@ noscript {
       flex: 0 0 auto;
       width: 50px;
 
-      path {
+      path:first-child {
+        fill: rgba($highlight-text-color, 0.25) !important;
+        fill-opacity: 1 !important;
+      }
+
+      path:last-child {
         stroke: lighten($highlight-text-color, 6%) !important;
       }
     }

app/lib/user_settings_decorator.rb

@@ -36,6 +36,7 @@ class UserSettingsDecorator
     user.settings['advanced_layout']     = advanced_layout_preference if change?('setting_advanced_layout')
     user.settings['use_blurhash']        = use_blurhash_preference if change?('setting_use_blurhash')
     user.settings['use_pending_items']   = use_pending_items_preference if change?('setting_use_pending_items')
+    user.settings['trends']              = trends_preference if change?('setting_trends')
   end
 
   def merged_notification_emails
@@ -122,6 +123,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_use_pending_items'
   end
 
+  def trends_preference
+    boolean_cast_setting 'setting_trends'
+  end
+
   def boolean_cast_setting(key)
     ActiveModel::Type::Boolean.new.cast(settings[key])
   end

app/models/form/admin_settings.rb

@@ -29,6 +29,7 @@ class Form::AdminSettings
     hero
     mascot
     spam_check_enabled
+    trends
   ).freeze
 
   BOOLEAN_KEYS = %i(
@@ -41,6 +42,7 @@ class Form::AdminSettings
     preview_sensitive_media
     profile_directory
     spam_check_enabled
+    trends
   ).freeze
 
   UPLOAD_KEYS = %i(

app/models/trending_tags.rb

@@ -66,6 +66,10 @@ class TrendingTags
     end
 
     def request_review!(tag)
+      return unless Setting.trends
+
+      tag.touch(:requested_review_at)
+
       User.staff.includes(:account).find_each { |u| AdminMailer.new_trending_tag(u.account, tag).deliver_later! if u.allows_trending_tag_emails? }
     end
   end

app/models/user.rb

@@ -107,7 +107,8 @@ class User < ApplicationRecord
   delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :delete_modal,
            :reduce_motion, :system_font_ui, :noindex, :theme, :display_media, :hide_network,
            :expand_spoilers, :default_language, :aggregate_reblogs, :show_application,
-           :advanced_layout, :use_blurhash, :use_pending_items, to: :settings, prefix: :setting, allow_nil: false
+           :advanced_layout, :use_blurhash, :use_pending_items, :trends,
+           to: :settings, prefix: :setting, allow_nil: false
 
   attr_reader :invite_code
   attr_writer :external

app/serializers/initial_state_serializer.rb

@@ -20,6 +20,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       invites_enabled: Setting.min_invite_role == 'user',
       mascot: instance_presenter.mascot&.file&.url,
       profile_directory: Setting.profile_directory,
+      trends: Setting.trends,
     }
 
     if object.current_account
@@ -35,6 +36,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:use_blurhash]      = object.current_account.user.setting_use_blurhash
       store[:use_pending_items] = object.current_account.user.setting_use_pending_items
       store[:is_staff]          = object.current_account.user.staff?
+      store[:trends]            = Setting.trends && object.current_account.user.setting_trends
     end
 
     store

app/views/admin/settings/edit.html.haml

@@ -68,6 +68,9 @@
     .fields-group
       = f.input :profile_directory, as: :boolean, wrapper: :with_label, label: t('admin.settings.profile_directory.title'), hint: t('admin.settings.profile_directory.desc_html')
 
+    .fields-group
+      = f.input :trends, as: :boolean, wrapper: :with_label, label: t('admin.settings.trends.title'), hint: t('admin.settings.trends.desc_html')
+
   .fields-group
     = f.input :spam_check_enabled, as: :boolean, wrapper: :with_label, label: t('admin.settings.spam_check_enabled.title'), hint: t('admin.settings.spam_check_enabled.desc_html')
 

app/views/settings/preferences/appearance/show.html.haml

@@ -25,6 +25,11 @@
     = f.input :setting_reduce_motion, as: :boolean, wrapper: :with_label
     = f.input :setting_system_font_ui, as: :boolean, wrapper: :with_label
 
+  %h4= t 'appearance.discovery'
+
+  .fields-group
+    = f.input :setting_trends, as: :boolean, wrapper: :with_label
+
   %h4= t 'appearance.confirmation_dialogs'
 
   .fields-group

config/locales/en.yml

@@ -460,8 +460,8 @@ en:
         title: Custom terms of service
       site_title: Server name
       spam_check_enabled:
-        desc_html: Mastodon can auto-silence and auto-report accounts based on measures such as detecting accounts who send repeated unsolicited messages. There may be false positives.
+        desc_html: Mastodon can auto-silence and auto-report accounts that send repeated unsolicited messages. There may be false positives.
-        title: Anti-spam
+        title: Anti-spam automation
       thumbnail:
         desc_html: Used for previews via OpenGraph and API. 1200x630px recommended
         title: Server thumbnail
@@ -469,6 +469,9 @@ en:
         desc_html: Display public timeline on landing page
         title: Timeline preview
       title: Site settings
+      trends:
+        desc_html: Publicly display previously reviewed hashtags that are currently trending
+        title: Trending hashtags
     statuses:
       back_to_account: Back to account page
       batch:
@@ -514,6 +517,7 @@ en:
     advanced_web_interface_hint: 'If you want to make use of your entire screen width, the advanced web interface allows you to configure many different columns to see as much information at the same time as you want: Home, notifications, federated timeline, any number of lists and hashtags.'
     animations_and_accessibility: Animations and accessibility
     confirmation_dialogs: Confirmation dialogs
+    discovery: Discovery
     sensitive_content: Sensitive content
   application_mailer:
     notification_preferences: Change e-mail preferences

config/locales/simple_form.en.yml

@@ -114,6 +114,7 @@ en:
         setting_show_application: Disclose application used to send toots
         setting_system_font_ui: Use system's default font
         setting_theme: Site theme
+        setting_trends: Show today's trends
         setting_unfollow_modal: Show confirmation dialog before unfollowing someone
         setting_use_blurhash: Show colorful gradients for hidden media
         setting_use_pending_items: Slow mode

config/settings.yml

@@ -34,6 +34,7 @@ defaults: &defaults
   advanced_layout: false
   use_blurhash: true
   use_pending_items: false
+  trends: true
   notification_emails:
     follow: false
     reblog: false