#399

backend/app/representations/post_compact_repr.rb

@@ -7,20 +7,13 @@ module PostCompactRepr
   def base post
     return nil if post.nil?
 
-    {
-        id: post.id,
-        title: post.title,
-        url: post.url,
-        thumbnail_url: thumbnail_url(post) }
-  end
-
-  def thumbnail_url post
-    return nil unless post.thumbnail.attached?
-
-    Rails.application.routes.url_helpers.rails_storage_proxy_url(
-        post.thumbnail,
-        only_path: false)
-  rescue ActionController::UrlGenerationError, ArgumentError, URI::InvalidURIError
-    nil
+    PostRepr
+        .common(post)
+        .slice(
+            'id',
+            'title',
+            'url',
+            'thumbnail',
+            'thumbnail_base')
   end
 end