Show user what options they have voted (#11195)

* Add own_votes field to poll results in REST API

Fixes #10679

* Display user votes in WebUI

* Update styling

* Add vote checkmark to public pages

3 files changed, 16 insertions, 4 deletions

diff --git a/app/javascript/mastodon/actions/importer/normalizer.js b/app/javascript/mastodon/actions/importer/normalizer.js
index 5e7e78e69..f7108fdb9 100644
--- a/app/javascript/mastodon/actions/importer/normalizer.js
+++ b/app/javascript/mastodon/actions/importer/normalizer.js
@@ -73,8 +73,9 @@ export function normalizePoll(poll) {
 
   const emojiMap = makeEmojiMap(normalPoll);
 
-  normalPoll.options = poll.options.map(option => ({
+  normalPoll.options = poll.options.map((option, index) => ({
     ...option,
+    voted: poll.own_votes && poll.own_votes.includes(index),
     title_emojified: emojify(escapeTextContentForBrowser(option.title), emojiMap),
   }));
 
diff --git a/app/javascript/mastodon/components/poll.js b/app/javascript/mastodon/components/poll.js
index 373f710d3..4c9b23b77 100644
--- a/app/javascript/mastodon/components/poll.js
+++ b/app/javascript/mastodon/components/poll.js
@@ -10,6 +10,7 @@ import spring from 'react-motion/lib/spring';
 import escapeTextContentForBrowser from 'escape-html';
 import emojify from 'mastodon/features/emoji/emoji';
 import RelativeTimestamp from './relative_timestamp';
+import Icon from 'mastodon/components/icon';
 
 const messages = defineMessages({
   closed: { id: 'poll.closed', defaultMessage: 'Closed' },
@@ -103,6 +104,7 @@ class Poll extends ImmutablePureComponent {
     const percent            = poll.get('votes_count') === 0 ? 0 : (option.get('votes_count') / poll.get('votes_count')) * 100;
     const leading            = poll.get('options').filterNot(other => other.get('title') === option.get('title')).every(other => option.get('votes_count') > other.get('votes_count'));
     const active             = !!this.state.selected[`${optionIndex}`];
+    const voted              = option.get('voted') || (poll.get('own_votes') && poll.get('own_votes').includes(optionIndex));
 
     let titleEmojified = option.get('title_emojified');
     if (!titleEmojified) {
@@ -131,7 +133,10 @@ class Poll extends ImmutablePureComponent {
           />
 
           {!showResults && <span className={classNames('poll__input', { checkbox: poll.get('multiple'), active })} />}
-          {showResults && <span className='poll__number'>{Math.round(percent)}%</span>}
+          {showResults && <span className='poll__number'>
+            {!!voted && <Icon id='check' className='poll__vote__mark' />}
+            {Math.round(percent)}%
+          </span>}
 
           <span dangerouslySetInnerHTML={{ __html: titleEmojified }} />
         </label>
diff --git a/app/javascript/styles/mastodon/polls.scss b/app/javascript/styles/mastodon/polls.scss
index e80220f27..85ba138b4 100644
--- a/app/javascript/styles/mastodon/polls.scss
+++ b/app/javascript/styles/mastodon/polls.scss
@@ -95,13 +95,19 @@
 
   &__number {
     display: inline-block;
-    width: 36px;
+    width: 48px;
     font-weight: 700;
     padding: 0 10px;
     text-align: right;
     margin-top: auto;
     margin-bottom: auto;
-    flex: 0 0 36px;
+    flex: 0 0 48px;
+  }
+
+  &__vote__mark {
+    float: left;
+    color: $valid-value-color;
+    line-height: 18px;
   }
 
   &__footer {