From 5da13d60508f0ebacb3ba5afd3d29eb00c7ca59e Mon Sep 17 00:00:00 2001
From: Soutaro Matsumoto <matsumoto@soutaro.com>
Date: Wed, 29 Oct 2014 01:28:52 +0900
Subject: Skip to_time if the value is a Time instance

This skips calling `#to_time` if the value is a instance of subclass of `Time`, like `ActiveSupport::TimeWithZone`.
---
 lib/axlsx/workbook/worksheet/cell.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/axlsx/workbook/worksheet/cell.rb b/lib/axlsx/workbook/worksheet/cell.rb
index cd9e1829..3136d0e0 100644
--- a/lib/axlsx/workbook/worksheet/cell.rb
+++ b/lib/axlsx/workbook/worksheet/cell.rb
@@ -452,7 +452,11 @@ module Axlsx
         v
       when :time
         self.style = STYLE_DATE if self.style == 0
-        v.respond_to?(:to_time) ? v.to_time : v
+        if !v.is_a?(Time) && v.respond_to?(:to_time)
+          v.to_time
+        else
+          v
+        end
       when :float
         v.to_f
       when :integer
-- 
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