From 2ae8300489aaaaaa65f50f3557090b265a2dcc6a Mon Sep 17 00:00:00 2001 From: Serguei Filimonov Date: Fri, 11 Dec 2009 13:08:00 -0800 Subject: Added #to_i to DateTime in ActiveSupport so #to_yaml works correctly on ActiveRecord models with DateTime attributes. --- .../lib/active_support/core_ext/date_time/conversions.rb | 15 +++++++++++++-- activesupport/test/core_ext/date_time_ext_test.rb | 4 ++++ 2 files changed, 17 insertions(+), 2 deletions(-) (limited to 'activesupport') diff --git a/activesupport/lib/active_support/core_ext/date_time/conversions.rb b/activesupport/lib/active_support/core_ext/date_time/conversions.rb index 5f01bc4fd6..47a31839a6 100644 --- a/activesupport/lib/active_support/core_ext/date_time/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date_time/conversions.rb @@ -78,7 +78,18 @@ class DateTime # Converts self to a floating-point number of seconds since the Unix epoch def to_f - days_since_unix_epoch = self - ::DateTime.civil(1970) - (days_since_unix_epoch * 86_400).to_f + seconds_since_unix_epoch.to_f + end + + # Converts self to an integer number of seconds since the Unix epoch + def to_i + seconds_since_unix_epoch.to_i + end + + private + + def seconds_since_unix_epoch + seconds_per_day = 86_400 + (self - ::DateTime.civil(1970)) * seconds_per_day end end diff --git a/activesupport/test/core_ext/date_time_ext_test.rb b/activesupport/test/core_ext/date_time_ext_test.rb index 4341ead488..278c05797b 100644 --- a/activesupport/test/core_ext/date_time_ext_test.rb +++ b/activesupport/test/core_ext/date_time_ext_test.rb @@ -350,6 +350,10 @@ class DateTimeExtCalculationsTest < Test::Unit::TestCase assert_equal 946684800.0, DateTime.civil(1999,12,31,19,0,0,Rational(-5,24)).to_f end + def test_to_i + assert_equal 946684800, DateTime.civil(2000).to_i + end + protected def with_env_tz(new_tz = 'US/Eastern') old_tz, ENV['TZ'] = ENV['TZ'], new_tz -- cgit v1.2.3