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# frozen_string_literal: true
module Gitlab
module WithFeatureCategory
extend ActiveSupport::Concern
include Gitlab::ClassAttributes
class_methods do
def feature_category(category, actions = [])
feature_category_configuration[category] ||= []
feature_category_configuration[category] += actions.map(&:to_s)
validate_config!(feature_category_configuration)
end
def feature_category_for_action(action)
category_config = feature_category_configuration.find do |_, actions|
actions.empty? || actions.include?(action)
end
category_config&.first || superclass_feature_category_for_action(action)
end
private
def validate_config!(config)
empty = config.find { |_, actions| actions.empty? }
duplicate_actions = config.values.map(&:uniq).flatten.group_by(&:itself).select { |_, v| v.count > 1 }.keys
if config.length > 1 && empty
raise ArgumentError, "#{empty.first} is defined for all actions, but other categories are set"
end
if duplicate_actions.any?
raise ArgumentError, "Actions have multiple feature categories: #{duplicate_actions.join(', ')}"
end
end
def feature_category_configuration
class_attributes[:feature_category_config] ||= {}
end
def superclass_feature_category_for_action(action)
return unless superclass.respond_to?(:feature_category_for_action)
superclass.feature_category_for_action(action)
end
end
end
end
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