From f811cfc34f9a0ede875a69d071c8c6346c463e46 Mon Sep 17 00:00:00 2001
From: Saurabh Bhatia <saurabh.a.bhatia@gmail.com>
Date: Fri, 11 Jul 2014 16:54:41 +0800
Subject: [PATCH] fixed nil condition error publication date

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

diff --git a/app/controllers/journal_papers_controller.rb b/app/controllers/journal_papers_controller.rb
index 788b092..4739304 100644
--- a/app/controllers/journal_papers_controller.rb
+++ b/app/controllers/journal_papers_controller.rb
@@ -17,6 +17,7 @@ class JournalPapersController < ApplicationController
   def show
   	params = OrbitHelper.params
   	journal_paper = JournalPaper.find_by(uid: params[:uid])
+    publication_date = journal_paper.publication_date.to_date.strftime("%Y/%m/%d") rescue nil
   	files = journal_paper.journal_paper_files.map{|file|  { "file_url" =>  file.journal_file.url, "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title) } } rescue []
   	{
   		"journal_paper_files" => files,
@@ -34,7 +35,7 @@ class JournalPapersController < ApplicationController
   			"total_pages" => journal_paper.total_pages,
   			"keywords" => journal_paper.keywords,
   			"abstract" => journal_paper.abstract,
-  			"publication_date" => journal_paper.publication_date.to_date.strftime("%Y/%m/%d"),
+  			"publication_date" => publication_date,
   			"url" => journal_paper.url,
   			"note" => journal_paper.note
   		}