UX: Tweak about page

app/models/about.rb

@@ -4,12 +4,30 @@ class About
   attr_accessor :moderators,
                 :admins
 
+  def version
+    Discourse::VERSION::STRING
+  end
+
+  def title
+    SiteSetting.title
+  end
+
+  def locale
+    SiteSetting.default_locale
+  end
+
+  def description
+    SiteSetting.site_description
+  end
+
   def moderators
     @moderators ||= User.where(moderator: true)
+                        .where.not(id: Discourse::SYSTEM_USER_ID)
   end
 
   def admins
     @admins ||= User.where(admin: true)
+                    .where.not(id: Discourse::SYSTEM_USER_ID)
   end
 
   def stats
@@ -19,7 +37,11 @@ class About
        user_count: User.count,
        topics_7_days: Topic.listable_topics.where('created_at > ?', 7.days.ago).count,
        posts_7_days: Post.where('created_at > ?', 7.days.ago).count,
-       users_7_days: User.where('created_at > ?', 7.days.ago).count
+       users_7_days: User.where('created_at > ?', 7.days.ago).count,
+       like_count: UserAction.where(action_type: UserAction::LIKE).count,
+       likes_7_days: UserAction.where(action_type: UserAction::LIKE)
+                               .where("created_at > ?", 7.days.ago)
+                               .count
     }
   end