Contents

module IAmICan
  module Association_ClassMethods
    def has_many_temporary_roles(name: nil)
      define_method :temporary_roles do
        @temporary_roles ||= [ ]
      end
      #
      alias_method name, :temporary_roles if name

      define_method :valid_temporary_roles do
        i_am_i_can.role_model.where(id: temporary_roles.map(&:id))
      end

      raise "Do not set the role association name to `roles` in #{self.class.name} model" if respond_to?(:roles)
      define_method :roles do
        ids = (temporary_roles.map(&:id) + _roles.ids).uniq
        i_am_i_can.role_model.where(id: ids)
      end

      define_method :temporary_role_names do
        temporary_roles.map(&:name).map(&:to_sym)
      end
      #
      alias_method "#{name.to_s.singularize}_names", :temporary_role_names if name

      define_method :_temporary_roles_add do |instances = nil, name: nil|
        roles = instances.present? ? instances : i_am_i_can.role_model.where(name: name - temporary_role_names)
        temporary_roles.concat(roles)
        roles.map(&:name).map(&:to_sym)
      end

      define_method :_temporary_roles_rmv do |instances = nil, name: nil|
        if instances.present?
          self.temporary_roles -= instances
          instances.map(&:name).map(&:to_sym)
        else
          (name & temporary_role_names).each { |n| self.temporary_roles.reject! { |i| i.name.to_sym == n } }
        end
      end

      define_method :_temporary_roles_exec do |action = :assign, instances = nil, name: nil|
        send('_temporary_roles_' + (action == :assign ? 'add' : 'rmv'), instances, name: name)
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
i_am_i_can-4.3.3	lib/i_am_i_can/support/association_class_methods.rb