diff --git a/app/services/attachment_maintaining_service.rb b/app/services/attachment_maintaining_service.rb
new file mode 100644
index 0000000000000000000000000000000000000000..21597095fbeb87c0dc4c84f92e18c6293bcbb19c
--- /dev/null
+++ b/app/services/attachment_maintaining_service.rb
@@ -0,0 +1,15 @@
+class AttachmentMaintainingService
+  def remove_attachment
+    #TODO: remove attachment
+  end
+
+  def get_last_access
+    #TODO: get 10 attachments to delete
+  end
+
+  private
+
+  def dir_path
+    "attachments/"
+  end
+end