Federate pinned statuses over ActivityPub (#6610)

* Federate pinned statuses over ActivityPub

* Display pinned toots in web UI

Fix #6117

* Fix migration

* Fix tests

* Update outbox_serializer.rb

* Update remove_serializer.rb

* Update add_serializer.rb

* Update fetch_featured_collection_service.rb

7 files changed, 55 insertions, 24 deletions

diff --git a/app/javascript/mastodon/actions/timelines.js b/app/javascript/mastodon/actions/timelines.js
index 858a12b15..f0ab16a2d 100644
--- a/app/javascript/mastodon/actions/timelines.js
+++ b/app/javascript/mastodon/actions/timelines.js
@@ -117,13 +117,14 @@ export function refreshTimeline(timelineId, path, params = {}) {
   };
 };
 
-export const refreshHomeTimeline         = () => refreshTimeline('home', '/api/v1/timelines/home');
-export const refreshPublicTimeline       = () => refreshTimeline('public', '/api/v1/timelines/public');
-export const refreshCommunityTimeline    = () => refreshTimeline('community', '/api/v1/timelines/public', { local: true });
-export const refreshAccountTimeline      = (accountId, withReplies) => refreshTimeline(`account:${accountId}${withReplies ? ':with_replies' : ''}`, `/api/v1/accounts/${accountId}/statuses`, { exclude_replies: !withReplies });
-export const refreshAccountMediaTimeline = accountId => refreshTimeline(`account:${accountId}:media`, `/api/v1/accounts/${accountId}/statuses`, { only_media: true });
-export const refreshHashtagTimeline      = hashtag => refreshTimeline(`hashtag:${hashtag}`, `/api/v1/timelines/tag/${hashtag}`);
-export const refreshListTimeline         = id => refreshTimeline(`list:${id}`, `/api/v1/timelines/list/${id}`);
+export const refreshHomeTimeline            = () => refreshTimeline('home', '/api/v1/timelines/home');
+export const refreshPublicTimeline          = () => refreshTimeline('public', '/api/v1/timelines/public');
+export const refreshCommunityTimeline       = () => refreshTimeline('community', '/api/v1/timelines/public', { local: true });
+export const refreshAccountTimeline         = (accountId, withReplies) => refreshTimeline(`account:${accountId}${withReplies ? ':with_replies' : ''}`, `/api/v1/accounts/${accountId}/statuses`, { exclude_replies: !withReplies });
+export const refreshAccountFeaturedTimeline = accountId => refreshTimeline(`account:${accountId}:pinned`, `/api/v1/accounts/${accountId}/statuses`, { pinned: true });
+export const refreshAccountMediaTimeline    = accountId => refreshTimeline(`account:${accountId}:media`, `/api/v1/accounts/${accountId}/statuses`, { only_media: true });
+export const refreshHashtagTimeline         = hashtag => refreshTimeline(`hashtag:${hashtag}`, `/api/v1/timelines/tag/${hashtag}`);
+export const refreshListTimeline            = id => refreshTimeline(`list:${id}`, `/api/v1/timelines/list/${id}`);
 
 export function refreshTimelineFail(timeline, error, skipLoading) {
   return {
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index c52cd5f09..85baeffca 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -138,7 +138,7 @@ export default class Status extends ImmutablePureComponent {
     let media = null;
     let statusAvatar, prepend;
 
-    const { hidden }     = this.props;
+    const { hidden, featured } = this.props;
     const { isExpanded } = this.state;
 
     let { status, account, ...other } = this.props;
@@ -156,7 +156,14 @@ export default class Status extends ImmutablePureComponent {
       );
     }
 
-    if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
+    if (featured) {
+      prepend = (
+        <div className='status__prepend'>
+          <div className='status__prepend-icon-wrapper'><i className='fa fa-fw fa-thumb-tack status__prepend-icon' /></div>
+          <FormattedMessage id='status.pinned' defaultMessage='Pinned toot' />
+        </div>
+      );
+    } else if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
       const display_name_html = { __html: status.getIn(['account', 'display_name_html']) };
 
       prepend = (
diff --git a/app/javascript/mastodon/components/status_list.js b/app/javascript/mastodon/components/status_list.js
index 5acaf714e..eb65838ce 100644
--- a/app/javascript/mastodon/components/status_list.js
+++ b/app/javascript/mastodon/components/status_list.js
@@ -11,6 +11,7 @@ export default class StatusList extends ImmutablePureComponent {
   static propTypes = {
     scrollKey: PropTypes.string.isRequired,
     statusIds: ImmutablePropTypes.list.isRequired,
+    featuredStatusIds: ImmutablePropTypes.list,
     onScrollToBottom: PropTypes.func,
     onScrollToTop: PropTypes.func,
     onScroll: PropTypes.func,
@@ -50,7 +51,7 @@ export default class StatusList extends ImmutablePureComponent {
   }
 
   render () {
-    const { statusIds, ...other }  = this.props;
+    const { statusIds, featuredStatusIds, ...other }  = this.props;
     const { isLoading, isPartial } = other;
 
     if (isPartial) {
@@ -68,8 +69,8 @@ export default class StatusList extends ImmutablePureComponent {
       );
     }
 
-    const scrollableContent = (isLoading || statusIds.size > 0) ? (
-      statusIds.map((statusId) => (
+    let scrollableContent = (isLoading || statusIds.size > 0) ? (
+      statusIds.map(statusId => (
         <StatusContainer
           key={statusId}
           id={statusId}
@@ -79,6 +80,18 @@ export default class StatusList extends ImmutablePureComponent {
       ))
     ) : null;
 
+    if (scrollableContent && featuredStatusIds) {
+      scrollableContent = featuredStatusIds.map(statusId => (
+        <StatusContainer
+          key={`f-${statusId}`}
+          id={statusId}
+          featured
+          onMoveUp={this.handleMoveUp}
+          onMoveDown={this.handleMoveDown}
+        />
+      )).concat(scrollableContent);
+    }
+
     return (
       <ScrollableList {...other} ref={this.setRef}>
         {scrollableContent}
diff --git a/app/javascript/mastodon/features/account_timeline/components/header.js b/app/javascript/mastodon/features/account_timeline/components/header.js
index 5cd4af1d3..b143e1d36 100644
--- a/app/javascript/mastodon/features/account_timeline/components/header.js
+++ b/app/javascript/mastodon/features/account_timeline/components/header.js
@@ -21,6 +21,7 @@ export default class Header extends ImmutablePureComponent {
     onMute: PropTypes.func.isRequired,
     onBlockDomain: PropTypes.func.isRequired,
     onUnblockDomain: PropTypes.func.isRequired,
+    hideTabs: PropTypes.bool,
   };
 
   static contextTypes = {
@@ -68,7 +69,7 @@ export default class Header extends ImmutablePureComponent {
   }
 
   render () {
-    const { account } = this.props;
+    const { account, hideTabs } = this.props;
 
     if (account === null) {
       return <MissingIndicator />;
@@ -94,11 +95,13 @@ export default class Header extends ImmutablePureComponent {
           onUnblockDomain={this.handleUnblockDomain}
         />
 
-        <div className='account__section-headline'>
-          <NavLink exact to={`/accounts/${account.get('id')}`}><FormattedMessage id='account.posts' defaultMessage='Toots' /></NavLink>
-          <NavLink exact to={`/accounts/${account.get('id')}/with_replies`}><FormattedMessage id='account.posts_with_replies' defaultMessage='Toots with replies' /></NavLink>
-          <NavLink exact to={`/accounts/${account.get('id')}/media`}><FormattedMessage id='account.media' defaultMessage='Media' /></NavLink>
-        </div>
+        {!hideTabs && (
+          <div className='account__section-headline'>
+            <NavLink exact to={`/accounts/${account.get('id')}`}><FormattedMessage id='account.posts' defaultMessage='Toots' /></NavLink>
+            <NavLink exact to={`/accounts/${account.get('id')}/with_replies`}><FormattedMessage id='account.posts_with_replies' defaultMessage='Toots with replies' /></NavLink>
+            <NavLink exact to={`/accounts/${account.get('id')}/media`}><FormattedMessage id='account.media' defaultMessage='Media' /></NavLink>
+          </div>
+        )}
       </div>
     );
   }
diff --git a/app/javascript/mastodon/features/account_timeline/index.js b/app/javascript/mastodon/features/account_timeline/index.js
index aed009ef0..95ae5fd06 100644
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@@ -3,7 +3,7 @@ import { connect } from 'react-redux';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import { fetchAccount } from '../../actions/accounts';
-import { refreshAccountTimeline, expandAccountTimeline } from '../../actions/timelines';
+import { refreshAccountTimeline, refreshAccountFeaturedTimeline, expandAccountTimeline } from '../../actions/timelines';
 import StatusList from '../../components/status_list';
 import LoadingIndicator from '../../components/loading_indicator';
 import Column from '../ui/components/column';
@@ -17,6 +17,7 @@ const mapStateToProps = (state, { params: { accountId }, withReplies = false })
 
   return {
     statusIds: state.getIn(['timelines', `account:${path}`, 'items'], ImmutableList()),
+    featuredStatusIds: state.getIn(['timelines', `account:${accountId}:pinned`, 'items'], ImmutableList()),
     isLoading: state.getIn(['timelines', `account:${path}`, 'isLoading']),
     hasMore: !!state.getIn(['timelines', `account:${path}`, 'next']),
   };
@@ -29,19 +30,24 @@ export default class AccountTimeline extends ImmutablePureComponent {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
     statusIds: ImmutablePropTypes.list,
+    featuredStatusIds: ImmutablePropTypes.list,
     isLoading: PropTypes.bool,
     hasMore: PropTypes.bool,
     withReplies: PropTypes.bool,
   };
 
   componentWillMount () {
-    this.props.dispatch(fetchAccount(this.props.params.accountId));
-    this.props.dispatch(refreshAccountTimeline(this.props.params.accountId, this.props.withReplies));
+    const { params: { accountId }, withReplies } = this.props;
+
+    this.props.dispatch(fetchAccount(accountId));
+    this.props.dispatch(refreshAccountFeaturedTimeline(accountId));
+    this.props.dispatch(refreshAccountTimeline(accountId, withReplies));
   }
 
   componentWillReceiveProps (nextProps) {
     if ((nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) || nextProps.withReplies !== this.props.withReplies) {
       this.props.dispatch(fetchAccount(nextProps.params.accountId));
+      this.props.dispatch(refreshAccountFeaturedTimeline(nextProps.params.accountId));
       this.props.dispatch(refreshAccountTimeline(nextProps.params.accountId, nextProps.params.withReplies));
     }
   }
@@ -53,7 +59,7 @@ export default class AccountTimeline extends ImmutablePureComponent {
   }
 
   render () {
-    const { statusIds, isLoading, hasMore } = this.props;
+    const { statusIds, featuredStatusIds, isLoading, hasMore } = this.props;
 
     if (!statusIds && isLoading) {
       return (
@@ -71,6 +77,7 @@ export default class AccountTimeline extends ImmutablePureComponent {
           prepend={<HeaderContainer accountId={this.props.params.accountId} />}
           scrollKey='account_timeline'
           statusIds={statusIds}
+          featuredStatusIds={featuredStatusIds}
           isLoading={isLoading}
           hasMore={hasMore}
           onScrollToBottom={this.handleScrollToBottom}
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index f64ed7948..919a89332 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -80,7 +80,7 @@ export default class Followers extends ImmutablePureComponent {
         <ScrollContainer scrollKey='followers'>
           <div className='scrollable' onScroll={this.handleScroll}>
             <div className='followers'>
-              <HeaderContainer accountId={this.props.params.accountId} />
+              <HeaderContainer accountId={this.props.params.accountId} hideTabs />
               {accountIds.map(id => <AccountContainer key={id} id={id} withNote={false} />)}
               {loadMore}
             </div>
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index a0c0fac05..5719259d1 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -80,7 +80,7 @@ export default class Following extends ImmutablePureComponent {
         <ScrollContainer scrollKey='following'>
           <div className='scrollable' onScroll={this.handleScroll}>
             <div className='following'>
-              <HeaderContainer accountId={this.props.params.accountId} />
+              <HeaderContainer accountId={this.props.params.accountId} hideTabs />
               {accountIds.map(id => <AccountContainer key={id} id={id} withNote={false} />)}
               {loadMore}
             </div>