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