Activemodel::ExtraValidations

Common ActiveModel/ActiveRecord validations.

Add this line to your application's Gemfile:

gem 'activemodel-extra_validations'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install activemodel-extra_validations

Validates that at least one of the supplied attributes are given.

require 'activemodel/extra_validations/presence_of_at_least_one_of'

class BillingDetails
  include ActiveModel::Model
  include ActiveModel::Validations
  include ActiveModel::Attributes

  attribute :credit_card
  attribute :debit_card

  validate_presence_of_at_least_one_of :credit_card, :debit_card
end

billing_details = BillingDetails.new
billing_details.valid?
billing_details.errors.full_messages # => [
#  'Debit card is missing. At least one of [:credit_card, :debit_card] must be present',
#  'Credit card is missing. At least one of [:credit_card, :debit_card] must be present'
# ]

After checking out the repo, run bin/setup to install dependencies, configure git hooks and create support files.

You can also run bin/console for an interactive prompt that will allow you to experiment.

The health and maintainability of the codebase is ensured through a set of Rake tasks to test, lint and audit the gem for security vulnerabilities and documentation:

rake bundle:audit          # Checks for vulnerable versions of gems
rake qa                    # Test, lint and perform security and documentation audits
rake rubocop               # Lint the codebase with RuboCop
rake rubocop:auto_correct  # Auto-correct RuboCop offenses
rake spec                  # Run RSpec code examples
rake verify_measurements   # Verify that yardstick coverage is at least 100%
rake yard                  # Generate YARD Documentation
rake yard:junk             # Check the junk in your YARD Documentation
rake yardstick_measure     # Measure docs in lib/**/*.rb with yardstick

Bug reports and pull requests are welcome on GitHub at https://github.com/wilsonsilva/activemodel-extra_validations. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

The gem is available as open source under the terms of the MIT License.

Everyone interacting in the Activemodel::ExtraValidations project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.