ActiveAdmin example

user.rb

ActiveAdmin.register User do

  index do
    
    column "Nome", :name 
    column "CPF", :cpf
    column "Login", :login
    column "Setor no MC", :sector_mc
    column "Login da Anatel", :anatel_status do
      status_tag 'ATIVO'
    end
    
    column "Expiração(login)", :expiration_date do |user|
      raw format_date_br(user.expiration_date)
    end
    
    column "Permissões", :permissions
    column "Permissões detalhadas", :permission_details
    column "Última atualização", :updated_at do |user|
      raw format_date_br(user.expiration_date)
    end
  end

  menu label: "Acessos Anatel"
  ActiveAdmin.setup do |config|
    config.comments = false
    config.site_title = "Acessos Anatel"
  end

  scope("Todos") { User.all }
  scope("Sem Login") { |scope| scope.where(login: "") }
  scope("Sem Permissões") { |scope| scope.where(permissions: "") }

  filter :name, label: "Nome"
  filter :cpf, label: "CPF"
  filter :permissions, label: "Acessos"
  filter :permission_details, label: "Acessos Detalhes"

  config.paginate = false
  index download_links: [:csv, :xml]
  config.sort_order = 'id_asc'

end

def format_date_br(datetime)
  datetime.strftime("%d/%m/%Y")
end