Support pushing and receiving updates to poll tallies (#10209)

* Process incoming poll tallies update

* Send Update on poll vote

* Do not send Updates for a poll more often than once every 3 minutes

* Include voters in people to notify of results update

* Schedule closing poll worker on poll creation

* Add new notification type for ending polls

* Add front-end support for ended poll notifications

* Fix UpdatePollSerializer

* Fix Updates not being triggered by local votes

* Fix tests failure

* Fix web push notifications for closing polls

* Minor cleanup

* Notify voters of both remote and local polls when those close

* Fix delivery of poll updates to mentioned accounts and voters

5 files changed, 40 insertions, 1 deletions

diff --git a/app/javascript/mastodon/actions/notifications.js b/app/javascript/mastodon/actions/notifications.js
index 4c145febc..61fef19e9 100644
--- a/app/javascript/mastodon/actions/notifications.js
+++ b/app/javascript/mastodon/actions/notifications.js
@@ -92,7 +92,7 @@ export function updateNotifications(notification, intlMessages, intlLocale) {
 const excludeTypesFromSettings = state => state.getIn(['settings', 'notifications', 'shows']).filter(enabled => !enabled).keySeq().toJS();
 
 const excludeTypesFromFilter = filter => {
-  const allTypes = ImmutableList(['follow', 'favourite', 'reblog', 'mention']);
+  const allTypes = ImmutableList(['follow', 'favourite', 'reblog', 'mention', 'poll']);
   return allTypes.filterNot(item => item === filter).toJS();
 };
 
diff --git a/app/javascript/mastodon/features/notifications/components/notification.js b/app/javascript/mastodon/features/notifications/components/notification.js
index 9669b6e7d..61023bed6 100644
--- a/app/javascript/mastodon/features/notifications/components/notification.js
+++ b/app/javascript/mastodon/features/notifications/components/notification.js
@@ -205,6 +205,38 @@ class Notification extends ImmutablePureComponent {
     );
   }
 
+  renderPoll (notification) {
+    const { intl } = this.props;
+
+    return (
+      <HotKeys handlers={this.getHandlers()}>
+        <div className='notification notification-poll focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage({ id: 'notification.poll', defaultMessage: 'Your poll has ended' }), notification.get('created_at'))}>
+          <div className='notification__message'>
+            <div className='notification__favourite-icon-wrapper'>
+              <Icon id='tasks' fixedWidth />
+            </div>
+
+            <span title={notification.get('created_at')}>
+              <FormattedMessage id='notification.poll' defaultMessage='Your poll has ended' />
+            </span>
+          </div>
+
+          <StatusContainer
+            id={notification.get('status')}
+            account={notification.get('account')}
+            muted
+            withDismiss
+            hidden={this.props.hidden}
+            getScrollPosition={this.props.getScrollPosition}
+            updateScrollBottom={this.props.updateScrollBottom}
+            cachedMediaWidth={this.props.cachedMediaWidth}
+            cacheMediaWidth={this.props.cacheMediaWidth}
+          />
+        </div>
+      </HotKeys>
+    );
+  }
+
   render () {
     const { notification } = this.props;
     const account          = notification.get('account');
@@ -220,6 +252,8 @@ class Notification extends ImmutablePureComponent {
       return this.renderFavourite(notification, link);
     case 'reblog':
       return this.renderReblog(notification, link);
+    case 'poll':
+      return this.renderPoll(notification);
     }
 
     return null;
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index b0d7488ca..d20bc47bc 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -240,6 +240,7 @@
   "notification.favourite": "{name} favourited your status",
   "notification.follow": "{name} followed you",
   "notification.mention": "{name} mentioned you",
+  "notification.poll": "Your poll has ended",
   "notification.reblog": "{name} boosted your status",
   "notifications.clear": "Clear notifications",
   "notifications.clear_confirmation": "Are you sure you want to permanently clear all your notifications?",
diff --git a/app/javascript/mastodon/reducers/settings.js b/app/javascript/mastodon/reducers/settings.js
index 2e1878cf7..a0eea137f 100644
--- a/app/javascript/mastodon/reducers/settings.js
+++ b/app/javascript/mastodon/reducers/settings.js
@@ -31,6 +31,7 @@ const initialState = ImmutableMap({
       favourite: true,
       reblog: true,
       mention: true,
+      poll: true,
     }),
 
     quickFilter: ImmutableMap({
@@ -44,6 +45,7 @@ const initialState = ImmutableMap({
       favourite: true,
       reblog: true,
       mention: true,
+      poll: true,
     }),
 
     sounds: ImmutableMap({
@@ -51,6 +53,7 @@ const initialState = ImmutableMap({
       favourite: true,
       reblog: true,
       mention: true,
+      poll: true,
     }),
   }),
 
diff --git a/app/javascript/mastodon/service_worker/web_push_locales.js b/app/javascript/mastodon/service_worker/web_push_locales.js
index ce96ae297..5ce8c7b50 100644
--- a/app/javascript/mastodon/service_worker/web_push_locales.js
+++ b/app/javascript/mastodon/service_worker/web_push_locales.js
@@ -18,6 +18,7 @@ filenames.forEach(filename => {
     'notification.follow': full['notification.follow'] || '',
     'notification.mention': full['notification.mention'] || '',
     'notification.reblog': full['notification.reblog'] || '',
+    'notification.poll': full['notification.poll'] || '',
 
     'status.show_more': full['status.show_more'] || '',
     'status.reblog': full['status.reblog'] || '',