From 23e996afbc49ecf0479c52fac1848f3be194426a Mon Sep 17 00:00:00 2001
From: xx <1490923109@qq.com>
Date: Sun, 25 Oct 2015 02:10:54 +0800
Subject: [PATCH] when coordinates is null return 0 in distance method

---
 app/models/project.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/models/project.rb b/app/models/project.rb
index 18680e8..559bf30 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -5,6 +5,7 @@ class Project < ActiveRecord::Base
 
   def distance(coordinates)
     coordinates ||= []
+    return 0 if coordinates.map(&:to_i) == [0, 0]
     num = Geocoder::Calculations.distance_between(coordinates, [lat.to_f, lon.to_f]).round(1)
     # "#{num} km"
   end