consolidate_services.rake

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namespace :data do
  desc 'Replace the first service with the second service'
  task consolidate_services: :environment do

    def main
      service_1_id, service_2_id = get_user_input

      #Make sure that both
      if !(service_1_id.nil? || service_2_id.nil?) && (service_1_id > 0 && service_2_id > 0)

        if services_can_be_swapped?(service_1_id, service_2_id)
          puts "This will change the Service ID of Incomplete and Unstarted Procedures with Service ID = #{service_1_id} to Service ID = #{service_2_id}. Is this correct? Y/N?"
          ok_with_values = STDIN.gets.chomp

          if "Yes".casecmp(ok_with_values).zero? || "Y".casecmp(ok_with_values).zero?
            update_procedures(service_1_id, service_2_id)
          elsif "No".casecmp(ok_with_values).zero? || "N".casecmp(ok_with_values).zero?
            puts "Service IDs will not be changed."
          else
            puts "Invalid values were entered."
          end
        else
          puts "These services are associated with different organizations and can't be swapped."
        end
      else
        puts "Invalid values were entered."
      end

      puts "Exiting rake task."
    end

    def get_user_input
      puts "What is the ID of the service to be replaced?"
      service_1_id = Integer( STDIN.gets.chomp ) rescue nil

      puts "What is the ID of the new service?"
      service_2_id = Integer( STDIN.gets.chomp ) rescue nil

      return service_1_id, service_2_id
    end

    def services_can_be_swapped?(service_1_id, service_2_id)
      get_process_ssr_org(service_1_id) == get_process_ssr_org(service_2_id)
    end

    def get_process_ssr_org(service_id)
      service      = Service.find(service_id)
      organization = service.organization

      while !organization.process_ssrs
        organization = organization.parent
      end

      organization
    end

    def update_procedures(old_service_id, new_service_id)
      procs = Procedure.where(service_id: old_service_id, status: ["unstarted", "incomplete"])

      puts "The Service ID of #{procs.count} Procedure(s) is being updated from #{old_service_id} to #{new_service_id}."
      procs.update_all(service_id: new_service_id)
    end

    main
  end
end