Fix i18n

I swear there has to be a better way to do this

app/controllers/api/v1/statuses/reactions_controller.rb

@@ -1,8 +1,18 @@
 # frozen_string_literal: true
 
 class Api::V1::Statuses::ReactionsController < Api::V1::Statuses::BaseController
-  before_action -> { doorkeeper_authorize! :write, :'write:favourites' }
-  before_action :require_user!
+  REACTIONS_LIMIT = 30
+
+  before_action -> { doorkeeper_authorize! :write, :'write:favourites' }, only: [:create, :destroy]
+  before_action -> { authorize_if_got_token! :read, :'read:accounts' }, only: [:index]
+  before_action :require_user!, only: [:create, :destroy]
+  before_action :set_reactions, only: [:index]
+  after_action :insert_pagination_headers, only: [:index]
+
+  def index
+    cache_if_unauthenticated!
+    render json: @reactions, each_serializer: REST::StatusReactionSerializer
+  end
 
   def create
     ReactService.new.call(current_account, @status, params[:id])
@@ -16,4 +26,83 @@ class Api::V1::Statuses::ReactionsController < Api::V1::Statuses::BaseController
   rescue Mastodon::NotPermittedError
     not_found
   end
+
+  private
+
+  def set_reactions
+    @reactions = ordered_reactions.select(
+      [:id, :account_id, :name, :custom_emoji_id].tap do |values|
+        values << value_for_reaction_me_column(current_account)
+      end
+    ).to_a_paginated_by_id(
+      limit_param(REACTIONS_LIMIT),
+      params_slice(:max_id, :since_id, :min_id)
+    )
+  end
+
+  def ordered_reactions
+    filtered_reactions.group(:status_id, :id, :account_id, :name, :custom_emoji_id)
+  end
+
+  def filtered_reactions
+    initial_reactions = StatusReaction.where(status: @status)
+    if filtered?
+      initial_reactions.where(name: params[:emoji])
+    else
+      initial_reactions
+    end
+  end
+
+  def filtered?
+    params[:emoji].present?
+  end
+
+  def value_for_reaction_me_column(account)
+    if account.nil?
+      'FALSE AS me'
+    else
+      <<~SQL.squish
+        EXISTS(
+          SELECT 1
+          FROM status_reactions inner_reactions
+          WHERE inner_reactions.account_id = #{account.id}
+            AND inner_reactions.status_id = status_reactions.status_id
+            AND inner_reactions.name = status_reactions.name
+            AND (
+              inner_reactions.custom_emoji_id = status_reactions.custom_emoji_id
+              OR inner_reactions.custom_emoji_id IS NULL
+                AND status_reactions.custom_emoji_id IS NULL
+            )
+        ) AS me
+      SQL
+    end
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    api_v1_status_reactions_url pagination_params(max_id: pagination_max_id) if records_continue?
+  end
+
+  def prev_path
+    api_v1_status_reactions_url pagination_params(since_id: pagination_since_id) unless @reactions.empty?
+  end
+
+  def pagination_max_id
+    @reactions.last.id
+  end
+
+  def pagination_since_id
+    @reactions.first.id
+  end
+
+  def records_continue?
+    @reactions.size == limit_param(REACTIONS_LIMIT)
+  end
+
+  def pagination_params(core_params)
+    params_slice(:limit, :emoji).merge(core_params)
+  end
 end

app/javascript/flavours/glitch/actions/interactions.js

@@ -7,6 +7,10 @@ export const REBLOG_REQUEST = 'REBLOG_REQUEST';
 export const REBLOG_SUCCESS = 'REBLOG_SUCCESS';
 export const REBLOG_FAIL    = 'REBLOG_FAIL';
 
+export const REACTIONS_EXPAND_REQUEST = 'REACTIONS_EXPAND_REQUEST';
+export const REACTIONS_EXPAND_SUCCESS = 'REACTIONS_EXPAND_SUCCESS';
+export const REACTIONS_EXPAND_FAIL    = 'REACTIONS_EXPAND_FAIL';
+
 export const REBLOGS_EXPAND_REQUEST = 'REBLOGS_EXPAND_REQUEST';
 export const REBLOGS_EXPAND_SUCCESS = 'REBLOGS_EXPAND_SUCCESS';
 export const REBLOGS_EXPAND_FAIL = 'REBLOGS_EXPAND_FAIL';
@@ -23,6 +27,10 @@ export const UNFAVOURITE_REQUEST = 'UNFAVOURITE_REQUEST';
 export const UNFAVOURITE_SUCCESS = 'UNFAVOURITE_SUCCESS';
 export const UNFAVOURITE_FAIL    = 'UNFAVOURITE_FAIL';
 
+export const REACTIONS_FETCH_REQUEST = 'REACTIONS_FETCH_REQUEST';
+export const REACTIONS_FETCH_SUCCESS = 'REACTIONS_FETCH_SUCCESS';
+export const REACTIONS_FETCH_FAIL    = 'REACTIONS_FETCH_FAIL';
+
 export const REBLOGS_FETCH_REQUEST = 'REBLOGS_FETCH_REQUEST';
 export const REBLOGS_FETCH_SUCCESS = 'REBLOGS_FETCH_SUCCESS';
 export const REBLOGS_FETCH_FAIL    = 'REBLOGS_FETCH_FAIL';
@@ -287,6 +295,90 @@ export function unbookmarkFail(status, error) {
   };
 }
 
+export function fetchReactions(id) {
+  return (dispatch, getState) => {
+    dispatch(fetchReactionsRequest(id));
+
+    api(getState).get(`/api/v1/statuses/${id}/reactions`).then(response => {
+      const next = getLinks(response).refs.find(link => link.rel === 'next');
+      const accounts = response.data.map(item => item.account);
+      dispatch(importFetchedAccounts(accounts));
+      dispatch(fetchReactionsSuccess(id, response.data, next ? next.uri : null));
+      dispatch(fetchRelationships(accounts.map(item => item.id)));
+    }).catch(error => {
+      dispatch(fetchReactionsFail(id, error));
+    });
+  };
+}
+
+export function fetchReactionsRequest(id) {
+  return {
+    type: REACTIONS_FETCH_REQUEST,
+    id,
+  };
+}
+
+export function fetchReactionsSuccess(id, reactions, next) {
+  return {
+    type: REACTIONS_FETCH_SUCCESS,
+    id,
+    reactions,
+    next,
+  };
+}
+
+export function fetchReactionsFail(id, error) {
+  return {
+    type: REACTIONS_FETCH_FAIL,
+    id,
+    error,
+  };
+}
+
+export function expandReactions(id) {
+  return (dispatch, getState) => {
+    const url = getState().getIn(['user_lists', 'reactions', id, 'next']);
+    if (url === null) {
+      return;
+    }
+
+    dispatch(expandReactionsRequest(id));
+
+    api(getState).get(url).then(response => {
+      const next = getLinks(response).refs.find(link => link.rel === 'next');
+      const accounts = response.data.map(item => item.account);
+
+      dispatch(importFetchedAccounts(accounts));
+      dispatch(expandReactionsSuccess(id, response.data, next ? next.uri : null));
+      dispatch(fetchRelationships(accounts.map(item => item.id)));
+    }).catch(error => dispatch(expandReactionsFail(id, error)));
+  };
+}
+
+export function expandReactionsRequest(id) {
+  return {
+    type: REACTIONS_EXPAND_REQUEST,
+    id,
+  };
+}
+
+export function expandReactionsSuccess(id, reactions, next) {
+  return {
+    type: REACTIONS_EXPAND_SUCCESS,
+    id,
+    reactions,
+    next,
+  };
+}
+
+export function expandReactionsFail(id, error) {
+  return {
+    type: REACTIONS_EXPAND_FAIL,
+    id,
+    error,
+  };
+}
+
 export function fetchReblogs(id) {
   return (dispatch, getState) => {
     dispatch(fetchReblogsRequest(id));

app/javascript/flavours/glitch/api_types/reaction.ts

@@ -0,0 +1,5 @@
+export interface ApiStatusReactionJSON {
+  name: string;
+  static_url?: string | undefined;
+  url?: string | undefined;
+}

app/javascript/flavours/glitch/components/account.jsx

@@ -14,6 +14,7 @@ import { VerifiedBadge } from 'flavours/glitch/components/verified_badge';
 import { me } from '../initial_state';
 
 import { Avatar } from './avatar';
+import { AvatarOverlay } from './avatar_overlay';
 import { Button } from './button';
 import { FollowersCounter } from './counters';
 import { DisplayName } from './display_name';
@@ -42,6 +43,7 @@ class Account extends ImmutablePureComponent {
     onMute: PropTypes.func,
     onMuteNotifications: PropTypes.func,
     intl: PropTypes.object.isRequired,
+    overlayEmoji: PropTypes.object,
     hidden: PropTypes.bool,
     minimal: PropTypes.bool,
     defaultAction: PropTypes.string,
@@ -50,6 +52,7 @@ class Account extends ImmutablePureComponent {
 
   static defaultProps = {
     size: 46,
+    overlayEmoji: { name: null }
   };
 
   handleFollow = () => {
@@ -73,7 +76,7 @@ class Account extends ImmutablePureComponent {
   };
 
   render () {
-    const { account, intl, hidden, withBio, defaultAction, size, minimal } = this.props;
+    const { account, intl, hidden, withBio, defaultAction, overlayEmoji, size, minimal } = this.props;
 
     if (!account) {
       return <EmptyAccount size={size} minimal={minimal} />;
@@ -138,12 +141,19 @@ class Account extends ImmutablePureComponent {
       verification = <VerifiedBadge link={firstVerifiedField.get('value')} />;
     }
 
+    let statusAvatar;
+    if (!overlayEmoji.name) {
+      statusAvatar = <Avatar account={account} size={size} />;
+    } else {
+      statusAvatar = <AvatarOverlay account={account} emoji={overlayEmoji} baseSize={size} />;
+    }
+
     return (
       <div className={classNames('account', { 'account--minimal': minimal })}>
         <div className='account__wrapper'>
           <Permalink key={account.get('id')} className='account__display-name' title={account.get('acct')} href={account.get('url')} to={`/@${account.get('acct')}`}>
             <div className='account__avatar-wrapper'>
-              <Avatar account={account} size={size} />
+              {statusAvatar}
             </div>
 
             <div className='account__contents'>

app/javascript/flavours/glitch/components/avatar_overlay.tsx

@@ -1,11 +1,15 @@
 import type { Account } from 'flavours/glitch/models/account';
+import type { StatusReaction } from 'flavours/glitch/models/reaction';
 
 import { useHovering } from '../hooks/useHovering';
 import { autoPlayGif } from '../initial_state';
 
+import { Emoji } from './status_reactions';
+
 interface Props {
   account: Account | undefined; // FIXME: remove `undefined` once we know for sure its always there
-  friend: Account | undefined; // FIXME: remove `undefined` once we know for sure its always there
+  friend?: Account | undefined; // FIXME: remove `undefined` once we know for sure its always there
+  emoji?: StatusReaction | undefined;
   size?: number;
   baseSize?: number;
   overlaySize?: number;
@@ -14,6 +18,7 @@ interface Props {
 export const AvatarOverlay: React.FC<Props> = ({
   account,
   friend,
+  emoji,
   size = 46,
   baseSize = 36,
   overlaySize = 24,
@@ -27,6 +32,32 @@ export const AvatarOverlay: React.FC<Props> = ({
     ? friend?.get('avatar')
     : friend?.get('avatar_static');
 
+  let overlayElement;
+  if (friendSrc) {
+    overlayElement = (
+      <div
+        className='account__avatar'
+        style={{ width: `${overlaySize}px`, height: `${overlaySize}px` }}
+        data-avatar-of={`@${friend?.get('acct')}`}
+      >
+        {friendSrc && <img src={friendSrc} alt={friend?.get('acct')} />}
+      </div>
+    );
+  } else {
+    overlayElement = (
+      <div className='account__emoji' data-emoji-name={emoji?.name}>
+        {emoji && (
+          <Emoji
+            emoji={emoji.name}
+            hovered={hovering}
+            url={emoji.url}
+            staticUrl={emoji.static_url}
+          />
+        )}
+      </div>
+    );
+  }
+
   return (
     <div
       className='account__avatar-overlay'
@@ -43,15 +74,7 @@ export const AvatarOverlay: React.FC<Props> = ({
           {accountSrc && <img src={accountSrc} alt={account?.get('acct')} />}
         </div>
       </div>
-      <div className='account__avatar-overlay-overlay'>
-        <div
-          className='account__avatar'
-          style={{ width: `${overlaySize}px`, height: `${overlaySize}px` }}
-          data-avatar-of={`@${friend?.get('acct')}`}
-        >
-          {friendSrc && <img src={friendSrc} alt={friend?.get('acct')} />}
-        </div>
-      </div>
+      <div className='account__avatar-overlay-overlay'>{overlayElement}</div>
     </div>
   );
 };

app/javascript/flavours/glitch/components/status.jsx

@@ -32,7 +32,7 @@ import StatusContent from './status_content';
 import StatusHeader from './status_header';
 import StatusIcons from './status_icons';
 import StatusPrepend from './status_prepend';
-import StatusReactions from './status_reactions';
+import { StatusReactions } from './status_reactions';
 
 const domParser = new DOMParser();
 

app/javascript/flavours/glitch/components/status_reactions.jsx

@@ -15,7 +15,7 @@ import { assetHost } from '../utils/config';
 
 import { AnimatedNumber } from './animated_number';
 
-export default class StatusReactions extends ImmutablePureComponent {
+export class StatusReactions extends ImmutablePureComponent {
 
   static propTypes = {
     statusId: PropTypes.string.isRequired,
@@ -107,6 +107,7 @@ class Reaction extends ImmutablePureComponent {
 
     return (
       <button
+        type='button'
         className={classNames('reactions-bar__item', { active: reaction.get('me') })}
         onClick={this.handleClick}
         onMouseEnter={this.handleMouseEnter}
@@ -131,7 +132,7 @@ class Reaction extends ImmutablePureComponent {
 
 }
 
-class Emoji extends React.PureComponent {
+export class Emoji extends React.PureComponent {
 
   static propTypes = {
     emoji: PropTypes.string.isRequired,

app/javascript/flavours/glitch/features/reactions/index.jsx

@@ -0,0 +1,120 @@
+import PropTypes from 'prop-types';
+
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+
+import { Helmet } from 'react-helmet';
+
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+
+import { debounce } from 'lodash';
+
+import MoodIcon from '@/material-icons/400-24px/mood.svg?react';
+import RefreshIcon from '@/material-icons/400-24px/refresh.svg?react';
+import { Icon }  from 'flavours/glitch/components/icon';
+
+import { fetchReactions, expandReactions } from '../../actions/interactions';
+import ColumnHeader from '../../components/column_header';
+import { LoadingIndicator } from '../../components/loading_indicator';
+import ScrollableList from '../../components/scrollable_list';
+import AccountContainer from '../../containers/account_container';
+import Column from '../ui/components/column';
+
+const messages = defineMessages({
+  heading: { id: 'column.reacted_by', defaultMessage: 'Reacted by' },
+  refresh: { id: 'refresh', defaultMessage: 'Refresh' },
+});
+
+const mapStateToProps = (state, props) => ({
+  reactions: state.getIn(['status_reactions', 'reactions', props.params.statusId, 'items']),
+  hasMore: !!state.getIn(['status_reactions', 'reactions', props.params.statusId, 'next']),
+  isLoading: state.getIn(['status_reactions', 'reactions', props.params.statusId, 'isLoading'], true),
+});
+
+class Reactions extends ImmutablePureComponent {
+
+  static propTypes = {
+    params: PropTypes.object.isRequired,
+    dispatch: PropTypes.func.isRequired,
+    reactions: ImmutablePropTypes.orderedSet,
+    hasMore: PropTypes.bool,
+    isLoading: PropTypes.bool,
+    multiColumn: PropTypes.bool,
+    intl: PropTypes.object.isRequired,
+  };
+
+  UNSAFE_componentWillMount () {
+    if (!this.props.accountIds) {
+      this.props.dispatch(fetchReactions(this.props.params.statusId));
+    }
+  }
+
+  handleHeaderClick = () => {
+    this.column.scrollTop();
+  };
+
+  setRef = c => {
+    this.column = c;
+  };
+
+  handleRefresh = () => {
+    this.props.dispatch(fetchReactions(this.props.params.statusId));
+  };
+
+  handleLoadMore = debounce(() => {
+    this.props.dispatch(expandReactions(this.props.params.statusId));
+  }, 300, { leading: true });
+
+  render () {
+    const { intl, reactions, hasMore, isLoading, multiColumn } = this.props;
+
+    if (!reactions) {
+      return (
+        <Column>
+          <LoadingIndicator />
+        </Column>
+      );
+    }
+
+    const accountIds = reactions.map(v => v.account);
+    const reactionsByAccount = new Map(reactions.map(v => [v.account, v]));
+
+    const emptyMessage = <FormattedMessage id='status.reactions.empty' defaultMessage='No one has reacted to this post yet. When someone does, they will show up here.' />;
+
+    return (
+      <Column ref={this.setRef}>
+        <ColumnHeader
+          icon='mood'
+          iconComponent={MoodIcon}
+          title={intl.formatMessage(messages.heading)}
+          onClick={this.handleHeaderClick}
+          showBackButton
+          multiColumn={multiColumn}
+          extraButton={(
+            <button type='button' className='column-header__button' title={intl.formatMessage(messages.refresh)} aria-label={intl.formatMessage(messages.refresh)} onClick={this.handleRefresh}><Icon id='refresh' icon={RefreshIcon} /></button>
+          )}
+        />
+
+        <ScrollableList
+          scrollKey='reactions'
+          onLoadMore={this.handleLoadMore}
+          hasMore={hasMore}
+          isLoading={isLoading}
+          emptyMessage={emptyMessage}
+          bindToDocument={!multiColumn}
+        >
+          {accountIds.map(id =>
+            <AccountContainer key={id} id={id} withNote={false} overlayEmoji={reactionsByAccount.get(id)} />,
+          )}
+        </ScrollableList>
+
+        <Helmet>
+          <meta name='robots' content='noindex' />
+        </Helmet>
+      </Column>
+    );
+  }
+}
+
+export default connect(mapStateToProps)(injectIntl(Reactions));

app/javascript/flavours/glitch/features/status/components/detailed_status.jsx

@@ -21,7 +21,7 @@ import { Avatar } from '../../../components/avatar';
 import { DisplayName } from '../../../components/display_name';
 import MediaGallery from '../../../components/media_gallery';
 import StatusContent from '../../../components/status_content';
-import StatusReactions from '../../../components/status_reactions';
+import { StatusReactions } from '../../../components/status_reactions';
 import Audio from '../../audio';
 import scheduleIdleTask from '../../ui/util/schedule_idle_task';
 import Video from '../../video';
@@ -137,6 +137,7 @@ class DetailedStatus extends ImmutablePureComponent {
     let applicationLink = '';
     let reblogLink = '';
     let favouriteLink = '';
+    let reactionLink = '';
 
     //  Depending on user settings, some media are considered as parts of the
     //  contents (affected by CW) while other will be displayed outside of the
@@ -275,6 +276,14 @@ class DetailedStatus extends ImmutablePureComponent {
           <FormattedMessage id='status.favourites' defaultMessage='{count, plural, one {favorite} other {favorites}}' values={{ count: status.get('favourites_count') }} />
         </Link>
       );
+      reactionLink = (
+        <Link to={`/@${status.getIn(['account', 'acct'])}/${status.get('id')}/reactions`} className='detailed-status__link'>
+          <span className='detailed-status__reactions'>
+            <AnimatedNumber value={status.get('reactions').reduce((total, obj) => total + obj.get('count'), 0)} />
+          </span>
+          <FormattedMessage id='status.reactions' defaultMessage='{count, plural, one {reaction} other {reactions}}' values={{ count: status.get('reactions').reduce((total, obj) => total + obj.get('count'), 0) }} />
+        </Link>
+      );
     } else {
       favouriteLink = (
         <a href={`/interact/${status.get('id')}?type=favourite`} className='detailed-status__link' onClick={this.handleModalLink}>
@@ -284,6 +293,14 @@ class DetailedStatus extends ImmutablePureComponent {
           <FormattedMessage id='status.favourites' defaultMessage='{count, plural, one {favorite} other {favorites}}' values={{ count: status.get('favourites_count') }} />
         </a>
       );
+      reactionLink = (
+        <a href={`/interact/${status.get('id')}?type=reaction`} className='detailed-status__link' onClick={this.handleModalLink}>
+          <span className='detailed-status__reactions'>
+            <AnimatedNumber value={status.get('reactions').reduce((total, obj) => total + obj.get('count'), 0)} />
+          </span>
+          <FormattedMessage id='status.reactions' defaultMessage='{count, plural, one {reaction} other {reactions}}' values={{ count: status.get('reactions').reduce((total, obj) => total + obj.get('count'), 0) }} />
+        </a>
+      );
     }
 
     const {statusContentProps, hashtagBar} = getHashtagBarForStatus(status);
@@ -339,6 +356,8 @@ class DetailedStatus extends ImmutablePureComponent {
               {reblogLink}
               {reblogLink && <>·</>}
               {favouriteLink}
+              ·
+              {reactionLink}
             </div>
           </div>
         </div>

app/javascript/flavours/glitch/features/ui/index.jsx

@@ -45,6 +45,7 @@ import {
   HomeTimeline,
   Followers,
   Following,
+  Reactions,
   Reblogs,
   Favourites,
   DirectTimeline,
@@ -234,6 +235,7 @@ class SwitchingColumnsArea extends PureComponent {
             <WrappedRoute path={['/accounts/:id/following', '/users/:acct/following', '/@:acct/following']} component={Following} content={children} />
             <WrappedRoute path={['/@:acct/media', '/accounts/:id/media']} component={AccountGallery} content={children} />
             <WrappedRoute path='/@:acct/:statusId' exact component={Status} content={children} />
+            <WrappedRoute path='/@:acct/:statusId/reactions' component={Reactions} content={children} />
             <WrappedRoute path='/@:acct/:statusId/reblogs' component={Reblogs} content={children} />
             <WrappedRoute path='/@:acct/:statusId/favourites' component={Favourites} content={children} />
 

app/javascript/flavours/glitch/features/ui/util/async-components.js

@@ -90,6 +90,10 @@ export function Favourites () {
   return import(/* webpackChunkName: "flavours/glitch/async/favourites" */'../../favourites');
 }
 
+export function Reactions () {
+  return import(/* webpackChunkName: "flavours/glitch/async/reactions" */'../../reactions');
+}
+
 export function FollowRequests () {
   return import(/* webpackChunkName: "flavours/glitch/async/follow_requests" */'../../follow_requests');
 }

app/javascript/flavours/glitch/locales/en.json

@@ -8,6 +8,7 @@
   "boost_modal.missing_description": "This toot contains some media without description",
   "column.favourited_by": "Favourited by",
   "column.heading": "Misc",
+  "column.reacted_by": "Reacted by",
   "column.reblogged_by": "Boosted by",
   "column.subheading": "Miscellaneous options",
   "column_header.profile": "Profile",
@@ -162,6 +163,8 @@
   "status.is_poll": "This toot is a poll",
   "status.local_only": "Only visible from your instance",
   "status.react": "React",
+  "status.reactions": "{count, plural, one {reaction} other {reactions}}",
+  "status.reactions.empty": "No one has reacted to this post yet. When someone does, they will show up here.",
   "status.uncollapse": "Uncollapse",
   "suggestions.dismiss": "Dismiss suggestion",
   "tenor.error": "Oops! Something went wrong. Please, try again.",

app/javascript/flavours/glitch/models/reaction.ts

@@ -0,0 +1,13 @@
+import type { RecordOf } from 'immutable';
+import { Record } from 'immutable';
+
+import type { ApiStatusReactionJSON } from 'flavours/glitch/api_types/reaction';
+
+type StatusReactionShape = Required<ApiStatusReactionJSON>;
+export type StatusReaction = RecordOf<StatusReactionShape>;
+
+export const CustomEmojiFactory = Record<StatusReactionShape>({
+  name: '',
+  static_url: '',
+  url: '',
+});

app/javascript/flavours/glitch/reducers/index.ts

@@ -38,6 +38,7 @@ import search from './search';
 import server from './server';
 import settings from './settings';
 import status_lists from './status_lists';
+import status_reactions from './status_reactions';
 import statuses from './statuses';
 import suggestions from './suggestions';
 import tags from './tags';
@@ -86,6 +87,7 @@ const reducers = {
   history,
   tags,
   followed_tags,
+  status_reactions,
   notificationPolicy: notificationPolicyReducer,
   notificationRequests: notificationRequestsReducer,
 };

app/javascript/flavours/glitch/reducers/status_reactions.js

@@ -0,0 +1,57 @@
+import { Map as ImmutableMap, OrderedSet as ImmutableOrderedSet } from 'immutable';
+
+import {
+  REACTIONS_FETCH_SUCCESS,
+  REACTIONS_EXPAND_SUCCESS,
+  REACTIONS_FETCH_REQUEST,
+  REACTIONS_EXPAND_REQUEST,
+  REACTIONS_FETCH_FAIL,
+  REACTIONS_EXPAND_FAIL,
+} from '../actions/interactions';
+
+const initialState = ImmutableMap({
+  reactions: ImmutableMap({
+    next: null,
+    isLoading: false,
+    items: ImmutableOrderedSet(),
+  }),
+});
+
+const normalizeList = (state, path, reactions, next) => {
+  const filteredReactions = reactions.map(v => {
+    v.account = v.account.id;
+    return v;
+  });
+  return state.setIn(path, ImmutableMap({
+    next,
+    items: ImmutableOrderedSet(filteredReactions),
+    isLoading: false,
+  }));
+};
+
+const appendToList = (state, path, reactions, next) => {
+  const filteredReactions = reactions.map(v => {
+    v.account = v.account.id;
+    return v;
+  });
+  return state.updateIn(path, map => {
+    return map.set('next', next).set('isLoading', false).update('items', list => list.concat(filteredReactions));
+  });
+};
+
+export default function statusReactions(state = initialState, action) {
+  switch(action.type) {
+  case REACTIONS_FETCH_SUCCESS:
+    return normalizeList(state, ['reactions', action.id], action.reactions, action.next);
+  case REACTIONS_EXPAND_SUCCESS:
+    return appendToList(state, ['reactions', action.id], action.reactions, action.next);
+  case REACTIONS_FETCH_REQUEST:
+  case REACTIONS_EXPAND_REQUEST:
+    return state.setIn(['reactions', action.id, 'isLoading'], true);
+  case REACTIONS_FETCH_FAIL:
+  case REACTIONS_EXPAND_FAIL:
+    return state.setIn(['reactions', action.id, 'isLoading'], false);
+  default:
+    return state;
+  }
+}

app/lib/status_cache_hydrator.rb

@@ -94,7 +94,7 @@ class StatusCacheHydrator
     reactions = @status.reactions(account_id)
     ActiveModelSerializers::SerializableResource.new(
       reactions,
-      each_serializer: REST::ReactionSerializer,
+      each_serializer: REST::StatusReactionSerializer,
       scope: account_id, # terrible
       scope_name: :current_user
     ).as_json

app/models/status_reaction.rb

@@ -13,6 +13,8 @@
 #  updated_at      :datetime         not null
 #
 class StatusReaction < ApplicationRecord
+  include Paginable
+
   belongs_to :account
   belongs_to :status, inverse_of: :status_reactions
   belongs_to :custom_emoji, optional: true

app/serializers/rest/reaction_serializer.rb

@@ -21,14 +21,6 @@ class REST::ReactionSerializer < ActiveModel::Serializer
     object.custom_emoji.present?
   end
 
-  def name
-    if extern?
-      [object.name, '@', object.custom_emoji.domain].join
-    else
-      object.name
-    end
-  end
-
   def url
     full_asset_url(object.custom_emoji.image.url)
   end
@@ -36,10 +28,4 @@ class REST::ReactionSerializer < ActiveModel::Serializer
   def static_url
     full_asset_url(object.custom_emoji.image.url(:static))
   end
-
-  private
-
-  def extern?
-    custom_emoji? && object.custom_emoji.domain.present?
-  end
 end

app/serializers/rest/status_reaction_serializer.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+class REST::StatusReactionSerializer < ActiveModel::Serializer
+  include RoutingHelper
+
+  attributes :name
+
+  attribute :id, unless: :no_id?
+  attribute :me, if: :current_user? # are this and count worth keeping?
+  attribute :url, if: :custom_emoji?
+  attribute :static_url, if: :custom_emoji?
+  attribute :count, if: :respond_to_count?
+
+  belongs_to :account, serializer: REST::AccountSerializer, unless: :respond_to_count?
+
+  delegate :count, to: :object
+
+  def respond_to_count?
+    object.respond_to?(:count)
+  end
+
+  def no_id?
+    object.id.nil?
+  end
+
+  def current_user?
+    !current_user.nil?
+  end
+
+  def custom_emoji?
+    object.custom_emoji.present?
+  end
+
+  def name
+    if extern?
+      [object.name, '@', object.custom_emoji.domain].join
+    else
+      object.name
+    end
+  end
+
+  def url
+    full_asset_url(object.custom_emoji.image.url)
+  end
+
+  def static_url
+    full_asset_url(object.custom_emoji.image.url(:static))
+  end
+
+  private
+
+  def extern?
+    custom_emoji? && object.custom_emoji.domain.present?
+  end
+end

app/serializers/rest/status_serializer.rb

@@ -28,7 +28,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   has_many :ordered_mentions, key: :mentions
   has_many :tags
   has_many :emojis, serializer: REST::CustomEmojiSerializer
-  has_many :reactions, serializer: REST::ReactionSerializer
+  has_many :reactions, serializer: REST::StatusReactionSerializer
 
   has_one :preview_card, key: :card, serializer: REST::PreviewCardSerializer
   has_one :preloadable_poll, key: :poll, serializer: REST::PollSerializer

config/routes/api.rb

@@ -10,6 +10,7 @@ namespace :api, format: false do
       scope module: :statuses do
         resources :reblogged_by, controller: :reblogged_by_accounts, only: :index
         resources :favourited_by, controller: :favourited_by_accounts, only: :index
+        resources :reactions, controller: :reactions, only: :index
         resource :reblog, only: :create
         post :unreblog, to: 'reblogs#destroy'