module Admins::PaginateHelper
  extend ActiveSupport::Concern

  def page
    params[:page].to_i <= 0 ? 1 : params[:page].to_i
  end

  def per_page
    params[:per_page].to_i <= 0 || params[:per_page].to_i > 100 ? 20 : params[:per_page].to_i
  end

  def paginate(relations)
    relations.page(page).per(per_page)
  end
end