#99

backend/app/representations/material_repr.rb

@@ -2,13 +2,19 @@
 
 
 module MaterialRepr
-  BASE = { only: [:id, :url, :parent_id, :created_at, :updated_at],
-           include: { created_by_user: UserRepr::BASE, tag: TagRepr::BASE } }.freeze
+  BASE = { methods: [:content_type],
+           include: { created_by_user: UserRepr::BASE,
+                      updated_by_user: UserRepr::BASE } }.freeze
 
   module_function
 
   def base(material)
-    material.as_json(BASE)
+    material.as_json(BASE).merge(
+        file: if material.file.attached?
+                Rails.application.routes.url_helpers.rails_storage_proxy_url(
+                    material.file, only_path: false)
+              end,
+        tag: TagRepr.base(material.tag))
   end
 
   def many(materials)