Business Days is a sort-of extension to ActiveSupport to allow adding business days to time objects.
Add a config.gem line (rails 2.3)
config.gem 'business_days'
Or add it to your Gemfile.
gem 'business_days'
(Time.parse("Friday") + 1.business_day).strftime("%A") # => "Monday" (Time.parse("Friday") + 2.business_days).strftime("%A") # => "Tuesday" (Time.parse("Saturday") + 1.business_day).strftime("%A") # => "Tuesday" (Time.parse("Saturday") + 0.business_days).strftime("%A") # => "Monday" (Time.parse("Friday") - 1.business_day).strftime("%A") # => "Thursday"
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Holidays are completely ignored.
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Time.now + 123512.business_days is done iteratively, even though it would be fairly straightforward to add (5/7 * n) + or - some small number based on where in the week you started.
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saturday or sunday + 0.business_days is Monday. There are strong arguments both ways for making this result either monday or saturday. I think Monday is the more helpful. Write me hatemail if you disagree.