Rake task for display all models of the application

my_app.rake

namespace :my_app do
  desc "Display all models"
  task models: :environment do |t|
    puts 'Tabelas existentes:', ""

    ActiveRecord::Base.connection.tables.delete_if do |table|
      table.include? 'schema'
    end.each do |table|
      puts "<<<< #{table} >>>>"
      ActiveRecord::Base.connection.columns(table).each do |column|
        puts "  #{column.name}, #{column.type}"
      end

      puts ""
    end
  end
end