Module: ActsAsHavingStringId::ClassMethods

Defined in:
lib/acts_as_having_string_id.rb

Instance Method Summary collapse

Instance Method Details

#_tea ⇒ Object 



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# File 'lib/acts_as_having_string_id.rb', line 51

def _tea
  pass_phrase = name + Rails.application.secrets.string_id_key
  @_tea ||= ActsAsHavingStringId::TEA.new(pass_phrase)
end

#acts_as_having_string_id(options = {}) ⇒ Object 



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# File 'lib/acts_as_having_string_id.rb', line 10

def acts_as_having_string_id(options = {})
  class_eval do
    def self.acts_as_having_string_id?
      # This class does act as having string id
      true
    end

    attrib_type = ActsAsHavingStringId::StringId::Type.new(self)
    attribute :id, attrib_type

    self.reflections.each_value do |r|
      if r.is_a?(ActiveRecord::Reflection::HasManyReflection)
        r.klass.class_eval do
          attribute r.foreign_key.to_sym, attrib_type
        end
      elsif r.is_a?(ActiveRecord::Reflection::BelongsToReflection)
        if r.klass.respond_to?(:acts_as_having_string_id?) && \
          r.klass.acts_as_having_string_id?
          foreign_attrib_type = ActsAsHavingStringId::StringId::Type.new(r.klass)
          attribute r.foreign_key.to_sym, foreign_attrib_type
        end
      end
    end

    def self.id_string(id)
      # Return the string representation of id
      _tea.encrypt(id).base62_encode
    end

    def self.id_int(id_string)
      # Return the id from a string representation
      begin
        id_int = id_string.base62_decode
      rescue
        return nil
      end
      _tea.decrypt(id_int)
    end
  end
end