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# frozen_string_literal: true
module Packages
module Maven
module Metadata
class SyncService < BaseContainerService
include Gitlab::Utils::StrongMemoize
alias_method :project, :container
MAX_FILE_SIZE = 10.megabytes.freeze
def execute
return error('Blank package name') unless package_name
return error('Not allowed') unless Ability.allowed?(current_user, :destroy_package, project)
return error('Non existing versionless package') unless versionless_package_for_versions
return error('Non existing metadata file for versions') unless metadata_package_file_for_versions
if metadata_package_file_for_plugins
result = update_plugins_xml
return result if result.error?
end
update_versions_xml
end
private
def update_versions_xml
update_xml(
kind: :versions,
package_file: metadata_package_file_for_versions,
service_class: CreateVersionsXmlService,
payload_empty_field: :empty_versions
)
end
def update_plugins_xml
update_xml(
kind: :plugins,
package_file: metadata_package_file_for_plugins,
service_class: CreatePluginsXmlService,
payload_empty_field: :empty_plugins
)
end
def update_xml(kind:, package_file:, service_class:, payload_empty_field:)
return error("Metadata file for #{kind} is too big") if package_file.size > MAX_FILE_SIZE
package_file.file.use_open_file do |file|
result = service_class.new(metadata_content: file, package: package_file.package)
.execute
next result unless result.success?
next success("No changes for #{kind} xml") unless result.payload[:changes_exist]
if result.payload[payload_empty_field]
package_file.package.destroy!
success("Versionless package for #{kind} destroyed")
else
AppendPackageFileService.new(metadata_content: result.payload[:metadata_content], package: package_file.package)
.execute
end
end
end
def metadata_package_file_for_versions
strong_memoize(:metadata_file_for_versions) do
metadata_package_file_for(versionless_package_for_versions)
end
end
def versionless_package_for_versions
strong_memoize(:versionless_package_for_versions) do
versionless_package_named(package_name)
end
end
def metadata_package_file_for_plugins
strong_memoize(:metadata_package_file_for_plugins) do
metadata_package_file_for(versionless_package_named(package_name_for_plugins))
end
end
def metadata_package_file_for(package)
return unless package
package.package_files
.with_file_name(Metadata.filename)
.recent
.first
end
def versionless_package_named(name)
project.packages
.maven
.displayable
.with_name(name)
.with_version(nil)
.first
end
def package_name
params[:package_name]
end
def package_name_for_plugins
group = versionless_package_for_versions.maven_metadatum.app_group
group.tr('.', '/')
end
def error(message)
ServiceResponse.error(message: message)
end
def success(message)
ServiceResponse.success(message: message)
end
end
end
end
end
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