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Contents
# frozen_string_literal: true
module Cocina
module Models
module Validators
# Validates that Purl matches the external identifier (druid)
class PurlValidator
def self.validate(clazz, attributes)
new(clazz, attributes).validate
end
def initialize(clazz, attributes)
@clazz = clazz
@attributes = attributes
end
def validate
return unless meets_preconditions?
return if identifier_from_druid == identifier_from_purl
raise ValidationError, "Purl mismatch: #{druid} purl does not match object druid."
end
private
attr_reader :clazz, :attributes
def meets_preconditions?
purl
end
def druid
@druid ||= attributes[:externalIdentifier]
end
def purl
@purl ||= attributes.dig(:description, :purl)
end
def identifier_from_druid
druid.delete_prefix('druid:')
end
def identifier_from_purl
purl.split('/').last
end
end
end
end
end
Version data entries
47 entries across 47 versions & 1 rubygems