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# frozen_string_literal: true
module ControllerWithFeatureCategory
extend ActiveSupport::Concern
include Gitlab::ClassAttributes
class_methods do
def feature_category(category, config = {})
validate_config!(config)
category_config = Config.new(category, config[:only], config[:except], config[:if], config[:unless])
# Add the config to the beginning. That way, the last defined one takes precedence.
feature_category_configuration.unshift(category_config)
end
def feature_category_for_action(action)
category_config = feature_category_configuration.find { |config| config.matches?(action) }
category_config&.category || superclass_feature_category_for_action(action)
end
private
def validate_config!(config)
invalid_keys = config.keys - [:only, :except, :if, :unless]
if invalid_keys.any?
raise ArgumentError, "unknown arguments: #{invalid_keys} "
end
if config.key?(:only) && config.key?(:except)
raise ArgumentError, "cannot configure both `only` and `except`"
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
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