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Versions: 19
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Stored size: 1.97 KB
Contents
module Rao
module Service
module Chain
# Usage:
#
# # app/service_chains/checkout_service_chain.rb
# class CheckoutServiceChain < Rao::Service::Chain::Base
# def steps
# [
# wrap(CartService, completed_if: ->(service) { service.new.valid? }),
# wrap(PaymentOptionsService, completed_if: ->(service) { service.new.valid? }),
# wrap(DeliveryAddressService, completed_if: ->(service) { service.new.valid? }),
# wrap(ConfirmationService, completed_if: ->(service) { service.new.valid? }),
# wrap(ResultService, completed_if: ->(service) { service.new.valid? }),
# ]
# end
# end
#
# # app/controllers/checkout_services_controller/base.rb
# module CheckoutServicesController
# class Base < Rao::ServiceController::Base
# include Rao::Service::Chain::ControllerConcern
#
# def self.service_chain_class
# CheckoutServiceChain
# end
#
# private
#
# def after_sucess_location
# next_step_url
# end
# end
# end
#
module ControllerConcern
extend ActiveSupport::Concern
included do
before_action :load_service_chain
helper_method :service_chain
end
class_methods do
def service_chain_class
raise "Child class responsibilty"
end
end
private
def service_chain
@service_chain
end
def service_chain_class
self.class.service_chain_class
end
def load_service_chain
@service_chain = service_chain_class.new(actual_step: self.service_class)
end
def next_step_url
@service_chain.next_step_url(context: self)
end
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems