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# frozen_string_literal: true
module Packages
module Rpm
module RepositoryMetadata
class BaseBuilder
def initialize(xml: nil, data: {})
@xml = Nokogiri::XML(xml) if xml.present?
@data = data
end
def execute
return build_empty_structure if xml.blank?
update_xml_document
update_package_count
xml.to_xml
end
private
attr_reader :xml, :data
def build_empty_structure
Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
xml.method_missing(self.class::ROOT_TAG, self.class::ROOT_ATTRIBUTES)
end.to_xml
end
def update_xml_document
# Add to the root xml element a new package metadata node
xml.at(self.class::ROOT_TAG).add_child(build_new_node)
end
def update_package_count
packages_count = xml.css("//#{self.class::ROOT_TAG}/package").count
xml.at(self.class::ROOT_TAG).attributes["packages"].value = packages_count.to_s
end
def build_new_node
raise NotImplementedError, "#{self.class} should implement #{__method__}"
end
end
end
end
end
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