Add bookmarks (#7107)

* Add backend support for bookmarks

Bookmarks behave like favourites, except they aren't shared with other
users and do not have an associated counter.

* Add spec for bookmark endpoints

* Add front-end support for bookmarks

* Introduce OAuth scopes for bookmarks

* Add bookmarks to archive takeout

* Fix migration

* Coding style fixes

* Fix rebase issue

* Update bookmarked_statuses to latest UI changes

* Update bookmark actions to properly reflect status changes in state

* Add bookmarks item to single-column layout

* Make active bookmarks red

app/javascript/mastodon/features/status/index.js

@@ -13,6 +13,8 @@ import Column from '../ui/components/column';
 import {
   favourite,
   unfavourite,
+  bookmark,
+  unbookmark,
   reblog,
   unreblog,
   pin,
@@ -232,6 +234,14 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleBookmarkClick = (status) => {
+    if (status.get('bookmarked')) {
+      this.props.dispatch(unbookmark(status));
+    } else {
+      this.props.dispatch(bookmark(status));
+    }
+  }
+
   handleDeleteClick = (status, history, withRedraft = false) => {
     const { dispatch, intl } = this.props;
 
@@ -499,6 +509,7 @@ class Status extends ImmutablePureComponent {
                   onReply={this.handleReplyClick}
                   onFavourite={this.handleFavouriteClick}
                   onReblog={this.handleReblogClick}
+                  onBookmark={this.handleBookmarkClick}
                   onDelete={this.handleDeleteClick}
                   onDirect={this.handleDirectClick}
                   onMention={this.handleMentionClick}