From c5457e08d629d0dc8dc8a6e4cbd25e2004baea18 Mon Sep 17 00:00:00 2001
From: Saurabh Bhatia <saurabh.a.bhatia@gmail.com>
Date: Fri, 11 Apr 2014 16:55:33 +0800
Subject: [PATCH] added validation in adimage

---
 app/models/ad_image.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/models/ad_image.rb b/app/models/ad_image.rb
index 76a7b9a..bb88b38 100644
--- a/app/models/ad_image.rb
+++ b/app/models/ad_image.rb
@@ -1,3 +1,5 @@
+require 'uri'
+
 class AdImage
   include Mongoid::Document
   include Mongoid::Timestamps
@@ -13,6 +15,16 @@ class AdImage
 
   belongs_to :banner
 
-  validates :file, :presence => true
+  before_validation :add_http
+  validates :file, presence: true
+  validates :out_link, format: { with: URI::regexp(%w(http https)) }, allow_blank: true
+  validates :title, presence: true
 
+  protected
+
+  def add_http
+    unless self.out_link.blank? || self.out_link[/^http:\/\//] || self.out_link[/^https:\/\//]
+      self.out_link = 'http://' + self.out_link
+    end
+  end
 end