Include preview cards in status entity in REST API (#9120)

* Include preview cards in status entity in REST API

* Display preview card in-stream

* Improve in-stream display of preview cards

app/controllers/application_controller.rb

@@ -126,6 +126,7 @@ class ApplicationController < ActionController::Base
   def respond_with_error(code)
     respond_to do |format|
       format.any  { head code }
+
       format.html do
         set_locale
         render "errors/#{code}", layout: 'error', status: code

app/javascript/mastodon/components/status.js

@@ -9,6 +9,7 @@ import DisplayName from './display_name';
 import StatusContent from './status_content';
 import StatusActionBar from './status_action_bar';
 import AttachmentList from './attachment_list';
+import Card from '../features/status/components/card';
 import { injectIntl, FormattedMessage } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { MediaGallery, Video } from '../features/ui/util/async-components';
@@ -256,6 +257,14 @@ class Status extends ImmutablePureComponent {
           </Bundle>
         );
       }
+    } else if (status.get('spoiler_text').length === 0 && status.get('card')) {
+      media = (
+        <Card
+          onOpenMedia={this.props.onOpenMedia}
+          card={status.get('card')}
+          compact
+        />
+      );
     }
 
     if (otherAccounts) {

app/javascript/mastodon/features/status/components/card.js

@@ -59,10 +59,12 @@ export default class Card extends React.PureComponent {
     card: ImmutablePropTypes.map,
     maxDescription: PropTypes.number,
     onOpenMedia: PropTypes.func.isRequired,
+    compact: PropTypes.boolean,
   };
 
   static defaultProps = {
     maxDescription: 50,
+    compact: false,
   };
 
   state = {
@@ -131,7 +133,7 @@ export default class Card extends React.PureComponent {
   }
 
   render () {
-    const { card, maxDescription } = this.props;
+    const { card, maxDescription, compact } = this.props;
     const { width, embedded } = this.state;
 
     if (card === null) {
@@ -139,17 +141,17 @@ export default class Card extends React.PureComponent {
     }
 
     const provider    = card.get('provider_name').length === 0 ? decodeIDNA(getHostname(card.get('url'))) : card.get('provider_name');
-    const horizontal  = card.get('width') > card.get('height') && (card.get('width') + 100 >= width) || card.get('type') !== 'link';
-    const className   = classnames('status-card', { horizontal });
+    const horizontal  = (!compact && card.get('width') > card.get('height') && (card.get('width') + 100 >= width)) || card.get('type') !== 'link' || embedded;
     const interactive = card.get('type') !== 'link';
+    const className   = classnames('status-card', { horizontal, compact, interactive });
     const title       = interactive ? <a className='status-card__title' href={card.get('url')} title={card.get('title')} rel='noopener' target='_blank'><strong>{card.get('title')}</strong></a> : <strong className='status-card__title' title={card.get('title')}>{card.get('title')}</strong>;
-    const ratio       = card.get('width') / card.get('height');
+    const ratio       = compact ? 16 / 9 : card.get('width') / card.get('height');
     const height      = card.get('width') > card.get('height') ? (width / ratio) : (width * ratio);
 
     const description = (
       <div className='status-card__content'>
         {title}
-        {!horizontal && <p className='status-card__description'>{trim(card.get('description') || '', maxDescription)}</p>}
+        {!(horizontal || compact) && <p className='status-card__description'>{trim(card.get('description') || '', maxDescription)}</p>}
         <span className='status-card__host'>{provider}</span>
       </div>
     );
@@ -174,7 +176,7 @@ export default class Card extends React.PureComponent {
             <div className='status-card__actions'>
               <div>
                 <button onClick={this.handleEmbedClick}><i className={`fa fa-${iconVariant}`} /></button>
-                <a href={card.get('url')} target='_blank' rel='noopener'><i className='fa fa-external-link' /></a>
+                {horizontal && <a href={card.get('url')} target='_blank' rel='noopener'><i className='fa fa-external-link' /></a>}
               </div>
             </div>
           </div>
@@ -184,7 +186,7 @@ export default class Card extends React.PureComponent {
       return (
         <div className={className} ref={this.setRef}>
           {embed}
-          {description}
+          {!compact && description}
         </div>
       );
     } else if (card.get('image')) {

app/javascript/mastodon/features/status/containers/card_container.js

@@ -2,7 +2,7 @@ import { connect } from 'react-redux';
 import Card from '../components/card';
 
 const mapStateToProps = (state, { statusId }) => ({
-  card: state.getIn(['cards', statusId], null),
+  card: state.getIn(['statuses', statusId, 'card'], null),
 });
 
 export default connect(mapStateToProps)(Card);

app/javascript/mastodon/reducers/index.js

@@ -14,7 +14,6 @@ import relationships from './relationships';
 import settings from './settings';
 import push_notifications from './push_notifications';
 import status_lists from './status_lists';
-import cards from './cards';
 import mutes from './mutes';
 import reports from './reports';
 import contexts from './contexts';
@@ -46,7 +45,6 @@ const reducers = {
   relationships,
   settings,
   push_notifications,
-  cards,
   mutes,
   reports,
   contexts,

app/javascript/mastodon/reducers/statuses.js

@@ -10,6 +10,7 @@ import {
   STATUS_REVEAL,
   STATUS_HIDE,
 } from '../actions/statuses';
+import { STATUS_CARD_FETCH_SUCCESS } from '../actions/cards';
 import { TIMELINE_DELETE } from '../actions/timelines';
 import { STATUS_IMPORT, STATUSES_IMPORT } from '../actions/importer';
 import { Map as ImmutableMap, fromJS } from 'immutable';
@@ -65,6 +66,8 @@ export default function statuses(state = initialState, action) {
     });
   case TIMELINE_DELETE:
     return deleteStatus(state, action.id, action.references);
+  case STATUS_CARD_FETCH_SUCCESS:
+    return state.setIn([action.id, 'card'], fromJS(action.card));
   default:
     return state;
   }

app/javascript/styles/mastodon/components.scss

@@ -2560,6 +2560,9 @@ a.status-card {
   display: block;
   margin-top: 5px;
   font-size: 13px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .status-card__image {
@@ -2584,6 +2587,31 @@ a.status-card {
   }
 }
 
+.status-card.compact {
+  border-color: lighten($ui-base-color, 4%);
+
+  &.interactive {
+    border: 0;
+  }
+
+  .status-card__content {
+    padding: 8px;
+    padding-top: 10px;
+  }
+
+  .status-card__title {
+    white-space: nowrap;
+  }
+
+  .status-card__image {
+    flex: 0 0 60px;
+  }
+}
+
+a.status-card.compact:hover {
+  background-color: lighten($ui-base-color, 4%);
+}
+
 .status-card__image-image {
   border-radius: 4px 0 0 4px;
   display: block;

app/models/status.rb

@@ -89,6 +89,7 @@ class Status < ApplicationRecord
                    :conversation,
                    :status_stat,
                    :tags,
+                   :preview_cards,
                    :stream_entry,
                    active_mentions: :account,
                    reblog: [
@@ -96,6 +97,7 @@ class Status < ApplicationRecord
                      :application,
                      :stream_entry,
                      :tags,
+                     :preview_cards,
                      :media_attachments,
                      :conversation,
                      :status_stat,
@@ -163,6 +165,10 @@ class Status < ApplicationRecord
     reblog
   end
 
+  def preview_card
+    preview_cards.first
+  end
+
   def title
     if destroyed?
       "#{account.acct} deleted status"

app/serializers/rest/status_serializer.rb

@@ -20,6 +20,8 @@ class REST::StatusSerializer < ActiveModel::Serializer
   has_many :tags
   has_many :emojis, serializer: REST::CustomEmojiSerializer
 
+  has_one :preview_card, key: :card, serializer: REST::PreviewCardSerializer
+
   def id
     object.id.to_s
   end

app/services/fetch_link_card_service.rb

@@ -63,6 +63,7 @@ class FetchLinkCardService < BaseService
 
   def attach_card
     @status.preview_cards << @card
+    Rails.cache.delete(@status)
   end
 
   def parse_urls