ArrayBitMask

Creates methods that accepts array of values and save them as bit mask to the attribute with an "_mask" suffix using specified source.

Installation

Add this line to your application's Gemfile:

gem 'array_bit_mask'

And then execute:

$ bundle

Or install it yourself as:

$ gem install array_bit_mask

Usage

Call as_bit_mask in an ActiveRecord class and pass the name of the attribute you wish to be the accessor for array of values. In the option :source you can specify array of values or method name which return an array. Bit mask would be saved to attribute with an "_mask" suffix, but you can also specify it in :column option

class Permission < ActiveRecord::Base
  as_bit_mask :actions, :source => [:create, :show, :update]
end

permission = Permission.new
permission.actions = [:show, :update]
permission.actions_mask
=> 6

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request