From 33f780502511ebaadbef861c06641cec3bd7f69b Mon Sep 17 00:00:00 2001
From: Karel Picman <karel.picman@kontron.com>
Date: Thu, 20 Jul 2017 14:27:33 +0200
Subject: [PATCH] #48 thumbnails

---
 app/models/dmsf_file.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/dmsf_file.rb b/app/models/dmsf_file.rb
index dee02504..138b3e2a 100644
--- a/app/models/dmsf_file.rb
+++ b/app/models/dmsf_file.rb
@@ -601,7 +601,7 @@ class DmsfFile < ActiveRecord::Base
       target = File.join(Attachment.thumbnails_storage_path, "#{self.id}_#{self.last_revision.digest}_#{size}.thumb")
 
       begin
-        Redmine::Thumbnail.generate(self.last_revision.disk_file, target, size)
+        Redmine::Thumbnail.generate(self.last_revision.disk_file.to_s, target, size)
       rescue => e
         Rails.logger.error "An error occured while generating thumbnail for #{self.last_revision.disk_file} to #{target}\nException was: #{e.message}"
         return nil