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Contents
# frozen_string_literal: true
module FriendlyShipping
module Services
class Usps
class ParseXMLResponse
extend Dry::Monads::Result::Mixin
ERROR_TAG = 'Error'
class << self
def call(response_body, expected_root_tag)
xml = Nokogiri.XML(response_body, &:strict)
if xml.root.nil? || ![expected_root_tag, 'Error'].include?(xml.root.name)
Failure('Invalid document')
elsif request_successful?(xml)
Success(xml)
else
Failure(error_message(xml))
end
rescue Nokogiri::XML::SyntaxError => e
Failure(e)
end
private
def request_successful?(xml)
xml.xpath('//Error/Number')&.text.blank?
end
def error_message(xml)
number = xml.xpath('//Error/Number')&.text
desc = xml.xpath('//Error/Description')&.text
[number, desc].select(&:present?).join(': ').presence&.strip || 'USPS could not process the request.'
end
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems