how to rename mongodb collection with mongoid 5.x

rename_collection.rb

def rename_collection(old_name, new_name, drop_target=false)
  client = Mongoid::Clients.default
  current_db = client.database
  admin_db = Mongo::Database.new(client, Mongo::Database::ADMIN, current_db.options)
  admin_db.command(renameCollection: "#{current_db.name}.#{old_name}",
                   to: "#{current_db.name}.#{new_name}",
                   dropTarget: drop_target)
end