This gem implements 4-4-5 / 4-5-4 / 5-4-4 retail calendar in a very lightweight manner. https://en.wikipedia.org/wiki/4%E2%80%934%E2%80%935_calendar
While several similar gems that do this exist (most notably the gem retail_calendar, not to be confused with this gem: retail_calendars), I couldn't find one that supports all forms 445, 454, 544 and that doesn't have serious issues and stale pull requests.
Credit due to Brian K https://stackoverflow.com/questions/23531481/is-there-a-way-in-ruby-to-find-the-beginning-of-the-year-in-a-4-5-4-retail-cal
The calendar starts on Sunday and ends on Saturday.
IMPORTANT: when installing, make sure you type the gem's name 'retail_calendars' and not retail_calendar
gem 'retail_calendars'And then execute:
$ bundle
Or install it yourself as:
$ gem install retail_calendars
calendar = RetailCalendar::Calendar.new(type: 445)
puts calendar.start_of_year(2020) # 2020-02-02
puts calendar.start_of_year_by_date(Date.today) # 2020-02-02
puts calendar.end_of_year(2020) # 2021-01-30
puts calendar.start_of_month(2020, 1) # 2020-02-02
puts calendar.end_of_month(2020, 1) # 2020-02-29
puts calendar.weeks_in_year(2020) # 52
puts calendar.retail_week_to_date(2, 2020) # {:start_week=>Sun, 09 Feb 2020, :end_week=>Sat, 15 Feb 2020}
Support different year start day and month.
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/retail_calendar. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the RetailCalendar project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.