From 6a255ced5bf9a4968b16f3765f225751477815dd Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Fri, 8 Oct 2021 19:20:57 +0200
Subject: [PATCH] Exclude content attribute of files to be trimmed

---
 app/models/application_record.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index 43c3e9aa..a851eca6 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -7,7 +7,8 @@ class ApplicationRecord < ActiveRecord::Base
 
   def strip_strings
     # trim whitespace from beginning and end of string attributes
-    attribute_names.each do |name|
+    # except for the `content` of CodeOcean::Files
+    attribute_names.without('content').each do |name|
       if send(name.to_sym).respond_to?(:strip)
         send("#{name}=".to_sym, send(name).strip)
       end