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# frozen_string_literal: true
module Gitlab
module ImportExport
class AttributeCleaner
ALLOWED_REFERENCES = [
*Gitlab::ImportExport::Project::RelationFactory::PROJECT_REFERENCES,
*Gitlab::ImportExport::Project::RelationFactory::USER_REFERENCES,
'group_id',
'commit_id',
'discussion_id',
'custom_attributes'
].freeze
PROHIBITED_REFERENCES = Regexp.union(
/\Acached_markdown_version\Z/,
/_id\Z/,
/_ids\Z/,
/_html\Z/,
/attributes/,
/\Aremote_\w+_(url|urls|request_header)\Z/ # carrierwave automatically creates these attribute methods for uploads
).freeze
def self.clean(*args)
new(*args).clean
end
def initialize(relation_hash:, relation_class:, excluded_keys: [])
@relation_hash = relation_hash
@relation_class = relation_class
@excluded_keys = excluded_keys
end
def clean
@relation_hash.reject do |key, _value|
prohibited_key?(key) || !@relation_class.attribute_method?(key) || excluded_key?(key)
end.except('id')
end
private
def prohibited_key?(key)
key =~ PROHIBITED_REFERENCES && !permitted_key?(key)
end
def permitted_key?(key)
ALLOWED_REFERENCES.include?(key)
end
def excluded_key?(key)
return false if @excluded_keys.empty?
@excluded_keys.include?(key)
end
end
end
end
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