change_subscription.rb

# frozen_string_literal: true

class ChangePackage
  include Failable

  attr_reader :subscription, :package, :expire_date, :package_history
  private *delegate :store_campagin!, :upcoming_package_change?
                    :current_invoice, to: :subscription

  def initialize(subscription, package)
    @subscription = subscription
    @package = package
    @expire_date = Subscription::CaculateLastCycle.call(subscription)
    @package_history = PackageHistory.new(
      package: package,
      subscription: subscription,
      expire_date: expire_date
    )
    @cdrator = Cdrator::ChangePackage.new(
      cdrator_id: subscription.cdrator_id,
      product_id: package.cdrator_product_id,
      rate_plan_id: package.cdrator_rate_plan_id,
      new_campaigns: package_history.request_params,
      expire_campaigns: package_history.expire_campaigns
    )
  end

  def call
    check_invoice
    check_upcoming_package_change
    change_package!
    cancel_extend_package!
    create_package_history!
    update_subscription_previous_campaigns!
  end

  def check_invoice
    fail!('invoice.not_opened') unless invoice_open?
  end

  def check_upcoming_package_change
    fail!(:upcoming_package_change_exists) if upcoming_package_change?
  end

  def change_package
    fail!(cdrator.result) unless cdrator.call
  end

  def cancel_extend_package!
    return unless extending_package?
  
    Subscription::CancelExtendPackageJob.perform_later(subscription)
  end

  def create_package_history!
    package_history.update!(cdrator_response: cdrator.result)
  rescue ActiveRecord::RecordInvalid => failure
    fail!(failure)
  end

  def store_campagin!
    store_campagin!
  rescue ActiveRecord::RecordInvalid => failure
    fail!(failure)
  end

  private def invoice_open?
    current_invoice&.open?
  end
end