Change header of hashtag timelines in web UI

app/javascript/mastodon/features/hashtag_timeline/components/hashtag_header.jsx

@@ -0,0 +1,79 @@
+import PropTypes from 'prop-types';
+
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+
+import ImmutablePropTypes from 'react-immutable-proptypes';
+
+import Button from 'mastodon/components/button';
+import { ShortNumber } from 'mastodon/components/short_number';
+
+const messages = defineMessages({
+  followHashtag: { id: 'hashtag.follow', defaultMessage: 'Follow hashtag' },
+  unfollowHashtag: { id: 'hashtag.unfollow', defaultMessage: 'Unfollow hashtag' },
+});
+
+const usesRenderer = (displayNumber, pluralReady) => (
+  <FormattedMessage
+    id='hashtag.counter_by_uses'
+    defaultMessage='{count, plural, one {{counter} post} other {{counter} posts}}'
+    values={{
+      count: pluralReady,
+      counter: <strong>{displayNumber}</strong>,
+    }}
+  />
+);
+
+const peopleRenderer = (displayNumber, pluralReady) => (
+  <FormattedMessage
+    id='hashtag.counter_by_accounts'
+    defaultMessage='{count, plural, one {{counter} participant} other {{counter} participants}}'
+    values={{
+      count: pluralReady,
+      counter: <strong>{displayNumber}</strong>,
+    }}
+  />
+);
+
+const usesTodayRenderer = (displayNumber, pluralReady) => (
+  <FormattedMessage
+    id='hashtag.counter_by_uses_today'
+    defaultMessage='{count, plural, one {{counter} post} other {{counter} posts}} today'
+    values={{
+      count: pluralReady,
+      counter: <strong>{displayNumber}</strong>,
+    }}
+  />
+);
+
+export const HashtagHeader = injectIntl(({ tag, intl, disabled, onClick }) => {
+  if (!tag) {
+    return null;
+  }
+
+  const [uses, people] = tag.get('history').reduce((arr, day) => [arr[0] + day.get('uses') * 1, arr[1] + day.get('accounts') * 1], [0, 0]);
+  const dividingCircle = <span aria-hidden>{' · '}</span>;
+
+  return (
+    <div className='hashtag-header'>
+      <div className='hashtag-header__header'>
+        <h1>#{tag.get('name')}</h1>
+        <Button onClick={onClick} text={intl.formatMessage(tag.get('following') ? messages.unfollowHashtag : messages.followHashtag)} disabled={disabled} />
+      </div>
+
+      <div>
+        <ShortNumber value={uses} renderer={usesRenderer} />
+        {dividingCircle}
+        <ShortNumber value={people} renderer={peopleRenderer} />
+        {dividingCircle}
+        <ShortNumber value={tag.getIn(['history', 0, 'uses']) * 1} renderer={usesTodayRenderer} />
+      </div>
+    </div>
+  );
+});
+
+HashtagHeader.propTypes = {
+  tag: ImmutablePropTypes.map,
+  disabled: PropTypes.bool,
+  onClick: PropTypes.func,
+  intl: PropTypes.object,
+};

app/javascript/mastodon/features/hashtag_timeline/index.jsx

@@ -1,9 +1,8 @@
 import PropTypes from 'prop-types';
 import { PureComponent } from 'react';
 
-import { injectIntl, FormattedMessage, defineMessages } from 'react-intl';
+import { FormattedMessage } from 'react-intl';
 
-import classNames from 'classnames';
 import { Helmet } from 'react-helmet';
 
 import ImmutablePropTypes from 'react-immutable-proptypes';
@@ -17,17 +16,12 @@ import { fetchHashtag, followHashtag, unfollowHashtag } from 'mastodon/actions/t
 import { expandHashtagTimeline, clearTimeline } from 'mastodon/actions/timelines';
 import Column from 'mastodon/components/column';
 import ColumnHeader from 'mastodon/components/column_header';
-import { Icon }  from 'mastodon/components/icon';
 
 import StatusListContainer from '../ui/containers/status_list_container';
 
+import { HashtagHeader } from './components/hashtag_header';
 import ColumnSettingsContainer from './containers/column_settings_container';
 
-const messages = defineMessages({
-  followHashtag: { id: 'hashtag.follow', defaultMessage: 'Follow hashtag' },
-  unfollowHashtag: { id: 'hashtag.unfollow', defaultMessage: 'Unfollow hashtag' },
-});
-
 const mapStateToProps = (state, props) => ({
   hasUnread: state.getIn(['timelines', `hashtag:${props.params.id}${props.params.local ? ':local' : ''}`, 'unread']) > 0,
   tag: state.getIn(['tags', props.params.id]),
@@ -48,7 +42,6 @@ class HashtagTimeline extends PureComponent {
     hasUnread: PropTypes.bool,
     tag: ImmutablePropTypes.map,
     multiColumn: PropTypes.bool,
-    intl: PropTypes.object,
   };
 
   handlePin = () => {
@@ -188,27 +181,11 @@ class HashtagTimeline extends PureComponent {
   };
 
   render () {
-    const { hasUnread, columnId, multiColumn, tag, intl } = this.props;
+    const { hasUnread, columnId, multiColumn, tag } = this.props;
     const { id, local } = this.props.params;
     const pinned = !!columnId;
     const { signedIn } = this.context.identity;
 
-    let followButton;
-
-    if (tag) {
-      const following = tag.get('following');
-
-      const classes = classNames('column-header__button', {
-        active: following,
-      });
-
-      followButton = (
-        <button className={classes} onClick={this.handleFollow} disabled={!signedIn} title={intl.formatMessage(following ? messages.unfollowHashtag : messages.followHashtag)} aria-label={intl.formatMessage(following ? messages.unfollowHashtag : messages.followHashtag)}>
-          <Icon id={following ? 'user-times' : 'user-plus'} fixedWidth className='column-header__icon' />
-        </button>
-      );
-    }
-
     return (
       <Column bindToDocument={!multiColumn} ref={this.setRef} label={`#${id}`}>
         <ColumnHeader
@@ -220,13 +197,14 @@ class HashtagTimeline extends PureComponent {
           onClick={this.handleHeaderClick}
           pinned={pinned}
           multiColumn={multiColumn}
-          extraButton={followButton}
           showBackButton
         >
           {columnId && <ColumnSettingsContainer columnId={columnId} />}
         </ColumnHeader>
 
         <StatusListContainer
+          prepend={<HashtagHeader tag={tag} disabled={!signedIn} onClick={this.handleFollow} />}
+          alwaysPrepend
           trackScroll={!pinned}
           scrollKey={`hashtag_timeline-${columnId}`}
           timelineId={`hashtag:${id}${local ? ':local' : ''}`}
@@ -245,4 +223,4 @@ class HashtagTimeline extends PureComponent {
 
 }
 
-export default connect(mapStateToProps)(injectIntl(HashtagTimeline));
+export default connect(mapStateToProps)(HashtagTimeline);

app/javascript/mastodon/locales/en.json

@@ -295,6 +295,9 @@
   "hashtag.column_settings.tag_mode.any": "Any of these",
   "hashtag.column_settings.tag_mode.none": "None of these",
   "hashtag.column_settings.tag_toggle": "Include additional tags for this column",
+  "hashtag.counter_by_accounts": "{count, plural, one {{counter} participant} other {{counter} participants}}",
+  "hashtag.counter_by_uses": "{count, plural, one {{counter} post} other {{counter} posts}}",
+  "hashtag.counter_by_uses_today": "{count, plural, one {{counter} post} other {{counter} posts}} today",
   "hashtag.follow": "Follow hashtag",
   "hashtag.unfollow": "Unfollow hashtag",
   "home.actions.go_to_explore": "See what's trending",

app/javascript/styles/mastodon/components.scss

@@ -9231,3 +9231,33 @@ noscript {
     background: rgba($ui-base-color, 0.85);
   }
 }
+
+.hashtag-header {
+  border-bottom: 1px solid lighten($ui-base-color, 8%);
+  padding: 15px;
+  font-size: 17px;
+  line-height: 22px;
+  color: $darker-text-color;
+
+  strong {
+    font-weight: 700;
+  }
+
+  &__header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 15px;
+    gap: 15px;
+
+    h1 {
+      color: $primary-text-color;
+      white-space: nowrap;
+      text-overflow: ellipsis;
+      overflow: hidden;
+      font-size: 22px;
+      line-height: 33px;
+      font-weight: 700;
+    }
+  }
+}