From d22aa94b8942e74f98fd40b6743790a5d6f0230d Mon Sep 17 00:00:00 2001
From: Adam Meehan <adam.meehan@gmail.com>
Date: Wed, 14 May 2008 08:54:50 +1000
Subject: [PATCH] changed version check to Rails constant as AR VERSION not
 loaded by default changed time component validation to use dummy date parts
 to avoid pre epoch issues

---
 lib/validates_timeliness/date_helper.rb | 46 +++++++++++++++++++++++++
 spec/date_helper_spec.rb                | 11 ++++++
 spec/spec_helper.rb                     |  4 +--
 3 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 lib/validates_timeliness/date_helper.rb
 create mode 100644 spec/date_helper_spec.rb

diff --git a/lib/validates_timeliness/date_helper.rb b/lib/validates_timeliness/date_helper.rb
new file mode 100644
index 0000000..9e86463
--- /dev/null
+++ b/lib/validates_timeliness/date_helper.rb
@@ -0,0 +1,46 @@
+# This module intercepts the date and time select helpers to allow the 
+# attribute value before type cast to be used as in the select helpers.
+# This means that an invalid date or time will be redisplayed rather than the
+# implicitly converted value which occurs by default with Rails.
+module ValidatesTimeliness
+  module DateHelper
+    
+    class InstanceTag      
+      TimelinessDateTime = Struct.new(:year, :day, :month, :hour, :min, :sec)      
+            
+      def to_date_select_tag_with_timeliness(options = {}, html_options = {})
+        @timeliness_date_or_time_tag = true
+        date_or_time_select_without_timeliness(options.merge(:discard_hour => true), html_options)
+      end
+      alias_method_chain :to_date_select_tag, :timeliness
+
+      def to_time_select_tag_with_timeliness(options = {}, html_options = {})
+        @timeliness_date_or_time_tag = true
+        date_or_time_select_without_timeliness(options.merge(:discard_year => true, :discard_month => true), html_options)
+      end
+      alias_method_chain :to_time_select_tag, :timeliness
+
+      def to_datetime_select_tag_with_timeliness(options = {}, html_options = {})
+        @timeliness_date_or_time_tag = true
+        date_or_time_select_without_timeliness(options, html_options)
+      end
+      alias_method_chain :to_date_select_tag, :timeliness
+    
+      def value_with_timeliness(object)
+        return value_without_timeliness(object) unless @timeliness_date_or_time_tag
+        
+        raw_value = value_before_type_case(object)
+        
+        if raw_value.acts_as?(:time) || raw_value.is_a?(Date)
+          return value_without_timeliness(object)
+        end
+        
+        time_array = ParseDate.parsedate(raw_value)
+        
+        TimelinessDateTime.new(time_array)        
+      end      
+      alias_method_chain :value, :timeliness
+      
+    end   
+  end
+end
diff --git a/spec/date_helper_spec.rb b/spec/date_helper_spec.rb
new file mode 100644
index 0000000..dc19bf8
--- /dev/null
+++ b/spec/date_helper_spec.rb
@@ -0,0 +1,11 @@
+#require File.dirname(__FILE__) + '/spec_helper'
+
+#describe ValidatesTimeliness::DateHelper::InstanceTag do
+
+#  it "should return struct for time string" do
+#    object = mock("Model", :birth_date_and_time_before_type_cast => "2008-01-01 12:00:00")
+#    struct = value_with_timeliness(object)    
+#    struct.should be_kind_of(DateTimeStruct)
+#  end
+
+#end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 518fe4b..6abd8ed 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -9,13 +9,13 @@ if File.exists?(File.dirname(__FILE__) + '/../../../../vendor/rails')
   require 'activerecord/lib/active_record'  
   require 'railties/lib/rails/version'  
   
-  puts "Using vendored ActiveRecord version #{ActiveRecord::VERSION::STRING}"
+  puts "Using vendored Rails version #{Rails::VERSION::STRING}"
 else  
   require 'active_record'
   require 'active_record/version'
   require 'rails/version'
   
-  puts "Using gem ActiveRecord version #{ActiveRecord::VERSION::STRING}"
+  puts "Using gem Rails version #{Rails::VERSION::STRING}"
 end
 
 require 'validates_timeliness'