From d3b6b159313d5c5b2271372c1a5ef7184faf16ae Mon Sep 17 00:00:00 2001
From: chiu <naruto0426@rulingcom.com>
Date: Mon, 19 Aug 2019 15:53:18 +0800
Subject: [PATCH] Update journal_paper.rb fix error when no file

---
 app/models/journal_paper.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index 3110104..6ca2312 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -210,9 +210,9 @@ class JournalPaper
     when "file"
       files = []
       self.journal_paper_files.each do |file|  
-        url = file.journal_file.url
+        url = (file.journal_file.url rescue "")
         title = (file.title.blank? ? File.basename(file.journal_file.path) : file.title)
-        files << "<li><a href='#{url}'' target='_blank'>#{title}</li>"
+        files << (url=="" ? "" : "<li><a href='#{url}'' target='_blank'>#{title}</li>")
       end
       value = files.join("")
     else