FEATURE - group modetators visual indicator (#10310)

app/assets/javascripts/discourse/app/lib/transform-post.js

@@ -44,6 +44,7 @@ export function transformBasicPost(post) {
     staff: post.staff,
     admin: post.admin,
     moderator: post.moderator,
+    groupModerator: post.group_moderator,
     new_user: post.trust_level === 0,
     name: post.name,
     user_title: post.user_title,

app/assets/javascripts/discourse/app/widgets/post.js

@@ -675,6 +675,9 @@ export default createWidget("post", {
     if (attrs.topicOwner) {
       classNames.push("topic-owner");
     }
+    if (attrs.groupModerator) {
+      classNames.push("category-moderator");
+    }
     if (attrs.hidden) {
       classNames.push("post-hidden");
     }

app/assets/javascripts/discourse/app/widgets/poster-name.js

@@ -44,7 +44,7 @@ export default createWidget("poster-name", {
 
   // TODO: Allow extensibility
   posterGlyph(attrs) {
-    if (attrs.moderator) {
+    if (attrs.moderator || attrs.groupModerator) {
       return iconNode("shield-alt", {
         title: I18n.t("user.moderator_tooltip")
       });
@@ -83,6 +83,9 @@ export default createWidget("poster-name", {
     if (attrs.moderator) {
       classNames.push("moderator");
     }
+    if (attrs.groupModerator) {
+      classNames.push("category-moderator");
+    }
     if (attrs.new_user) {
       classNames.push("new-user");
     }

app/serializers/post_serializer.rb

@@ -60,6 +60,7 @@ class PostSerializer < BasicPostSerializer
              :moderator?,
              :admin?,
              :staff?,
+             :group_moderator,
              :user_id,
              :draft_sequence,
              :hidden,
@@ -140,6 +141,20 @@ class PostSerializer < BasicPostSerializer
     !!(object&.user&.staff?)
   end
 
+  def group_moderator
+    !!@group_moderator
+  end
+
+  def include_group_moderator?
+    @group_moderator ||= begin
+      if @topic_view
+        @topic_view.category_group_moderator_user_ids.include?(object.user_id)
+      else
+        object&.user&.guardian&.is_category_group_moderator?(object&.topic&.category)
+      end
+    end
+  end
+
   def yours
     scope.user == object.user
   end