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# frozen_string_literal: true
module Packages
module Maven
module Metadata
class CreateVersionsXmlService < BaseCreateXmlService
XPATH_VERSIONING = '//metadata/versioning'
XPATH_VERSIONS = '//versions'
XPATH_VERSION = '//version'
XPATH_LATEST = '//latest'
XPATH_RELEASE = '//release'
XPATH_LAST_UPDATED = '//lastUpdated'
EMPTY_VERSIONS_PAYLOAD = {
changes_exist: true,
empty_versions: true
}.freeze
def execute
return ServiceResponse.error(message: 'package not set') unless @package
return ServiceResponse.error(message: 'metadata_content not set') unless @metadata_content
return ServiceResponse.error(message: 'metadata_content is invalid') unless valid_metadata_content?
return ServiceResponse.success(payload: EMPTY_VERSIONS_PAYLOAD) if versions_from_database.empty?
changes_exist = false
changes_exist = true if update_versions_list
changes_exist = true if update_latest
changes_exist = true if update_release
update_last_updated_timestamp if changes_exist
payload = { changes_exist: changes_exist, empty_versions: false }
payload[:metadata_content] = xml_doc.to_xml(indent: INDENT_SPACE) if changes_exist
ServiceResponse.success(payload: payload)
end
private
def valid_metadata_content?
versioning_xml_node.present? &&
versions_xml_node.present? &&
last_updated_xml_node.present?
end
def update_versions_list
return false if versions_from_xml == versions_from_database
version_xml_nodes.remove
versions_from_database.each do |version|
versions_xml_node.add_child(xml_node('version', version))
end
true
end
def update_latest
return false if latest_coherent?
latest_xml_node.content = latest_from_database
true
end
def latest_coherent?
latest_from_xml.nil? || latest_from_xml == latest_from_database
end
def update_release
return false if release_coherent?
unless release_xml_node.present?
log_malformed_content('Missing release tag')
return false
end
if release_from_database
release_xml_node.content = release_from_database
else
release_xml_node.remove
end
true
end
def release_coherent?
release_from_xml == release_from_database
end
def update_last_updated_timestamp
last_updated_xml_node.content = Time.zone.now.strftime('%Y%m%d%H%M%S')
end
def versioning_xml_node
strong_memoize(:versioning_xml_node) do
xml_doc.xpath(XPATH_VERSIONING).first
end
end
def versions_xml_node
strong_memoize(:versions_xml_node) do
versioning_xml_node&.xpath(XPATH_VERSIONS)
&.first
end
end
def version_xml_nodes
versions_xml_node&.xpath(XPATH_VERSION)
end
def latest_xml_node
strong_memoize(:latest_xml_node) do
versioning_xml_node&.xpath(XPATH_LATEST)
&.first
end
end
def release_xml_node
strong_memoize(:release_xml_node) do
versioning_xml_node&.xpath(XPATH_RELEASE)
&.first
end
end
def last_updated_xml_node
strong_memoize(:last_updated_xml_mode) do
versioning_xml_node.xpath(XPATH_LAST_UPDATED)
.first
end
end
def versions_from_xml
strong_memoize(:versions_from_xml) do
versions_xml_node.xpath(XPATH_VERSION)
.map(&:text)
end
end
def latest_from_xml
latest_xml_node&.text
end
def release_from_xml
release_xml_node&.text
end
def versions_from_database
strong_memoize(:versions_from_database) do
@package.project.packages
.maven
.displayable
.with_name(@package.name)
.has_version
.order_created
.pluck_versions
end
end
def latest_from_database
versions_from_database.last
end
def release_from_database
strong_memoize(:release_from_database) do
non_snapshot_versions_from_database = versions_from_database.reject { |v| v.ends_with?('SNAPSHOT') }
non_snapshot_versions_from_database.last
end
end
def log_malformed_content(reason)
logger.warn(
message: 'A malformed metadata file has been encountered',
reason: reason,
project_id: @package.project_id,
package_id: @package.id
)
end
end
end
end
end
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