rosa-build/app/models/search.rb

class Search < Struct.new(:query, :ability, :paginate_params)
  include ActiveModel::Conversion
  extend  ActiveModel::Naming

  TYPES = %w(projects users groups platforms)


  TYPES.each do |type|
    define_method type do
      find_collection(type)
    end
  end

  private

  def find_collection(type)
    scope =
      if type == 'users'
        User.opened
      else
        type.classify.constantize.accessible_by(ability, :show)
      end
    scope.search(query).
          search_order.
          paginate(paginate_params)
  end

end