feat: add reaction emoji to issue screen

lib/screens/issue.dart

@@ -9,6 +9,15 @@ import '../widgets/comment_item.dart';
 import '../providers/settings.dart';
 import '../widgets/action.dart';
 
+var reactionChunk = emojiMap.entries.map((entry) {
+  var key = entry.key;
+  return '''
+$key: reactions(content: $key) {
+  totalCount
+  viewerHasReacted
+}''';
+}).join('\n');
+
 /// Screen for issue and pull request
 class IssueScreen extends StatefulWidget {
   final int number;
@@ -53,6 +62,7 @@ author {
 }
 closed
 url
+$reactionChunk
 ''';
 
     if (isPullRequest) {
@@ -78,6 +88,7 @@ __typename
     login
     avatarUrl
   }
+  $reactionChunk
 }
 ... on Commit {
   committedDate

lib/widgets/comment_item.dart

@@ -4,6 +4,17 @@ import '../utils/utils.dart';
 import 'avatar.dart';
 import 'user_name.dart';
 
+final emojiMap = {
+  'THUMBS_UP': '👍',
+  'THUMBS_DOWN': '👎',
+  'LAUGH': '😄',
+  'HOORAY': '🎉',
+  'CONFUSED': '😕',
+  'HEART': '❤️',
+  'ROCKET': '🚀',
+  'EYES': '👀'
+};
+
 class CommentItem extends StatelessWidget {
   final Map<String, dynamic> payload;
 
@@ -11,7 +22,9 @@ class CommentItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Column(children: <Widget>[
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: <Widget>[
         Row(children: <Widget>[
           Avatar(
             url: payload['author']['avatarUrl'],
@@ -34,12 +47,38 @@ class CommentItem extends StatelessWidget {
           ),
         ]),
         Padding(
-        padding: const EdgeInsets.only(left: 36, top: 8),
+          padding: const EdgeInsets.only(top: 12),
           child: MarkdownBody(
             data: payload['body'],
             // styleSheet: MarkdownStyleSheet(code: TextStyle(fontSize: 14)),
           ),
         ),
-    ]);
+        Wrap(
+          children: emojiMap.entries
+              .where((entry) => payload[entry.key]['totalCount'] != 0)
+              .map((entry) {
+            var emoji = entry.value;
+            int count = payload[entry.key]['totalCount'];
+
+            return Container(
+              padding: EdgeInsets.all(6),
+              child: RichText(
+                text: TextSpan(
+                  style: TextStyle(fontSize: 16),
+                  children: [
+                    TextSpan(text: emoji),
+                    TextSpan(text: ' '),
+                    TextSpan(
+                      text: count.toString(),
+                      style: TextStyle(color: Palette.link),
+                    ),
+                  ],
+                ),
+              ),
+            );
+          }).toList(),
+        ),
+      ],
+    );
   }
 }