poc including badges in post stream

app/models/post.rb

@@ -58,6 +58,8 @@ class Post < ActiveRecord::Base
 
   has_many :user_actions, foreign_key: :target_post_id
 
+  has_many :user_badges
+
   belongs_to :image_upload, class_name: "Upload"
 
   has_many :post_hotlinked_media, dependent: :destroy, class_name: "PostHotlinkedMedia"

app/serializers/post_serializer.rb

@@ -39,6 +39,7 @@ class PostSerializer < BasicPostSerializer
              :flair_color,
              :flair_group_id,
              :version,
+             :badges,
              :can_edit,
              :can_delete,
              :can_permanently_delete,
@@ -584,6 +585,25 @@ class PostSerializer < BasicPostSerializer
     UserStatusSerializer.new(object.user&.user_status, root: false)
   end
 
+  def include_badges?
+    badges.present?
+  end
+
+  def badges
+    @badges ||=
+      begin
+        badges = object.user_badges.filter { |badge| badge.user_id == object.user_id }
+        return if badges.blank?
+
+        ActiveModel::ArraySerializer.new(
+          badges,
+          each_serializer: UserBadgeSerializer,
+          scope: scope,
+          root: false,
+        )
+      end
+  end
+
   def mentioned_users
     users =
       if @topic_view && (mentioned_users = @topic_view.mentioned_users[object.id])

lib/topic_view.rb

@@ -859,6 +859,7 @@ class TopicView
         :deleted_by,
         :incoming_email,
         :image_upload,
+        :user_badges,
       )
 
     @posts = @posts.includes({ user: :user_status }) if SiteSetting.enable_user_status