some_service.rb

class SomeService
  # http status of operation
  attr_reader :status
  
  # result of service work for example: { errors: { email: ['should not be empty'] }, user: { id: 32, email: nil, ... } }
  attr_reader :result
  
  def self.call(params)
    new(params).perform!
  end
  
  def perform!
    # logic goes here
    @status = :ok
    @result = some_result
  end
  
  private
  
  def initialize(params)
    # blablabla
  end
end