request_path.rb

# frozen_string_literal: true

module Html2rss
  module Web
    ##
    # Provides helper methods to get config names by the request path.
    class RequestPath
      attr_reader :folder_name

      ##
      # @param request [Rack::Request, #path]
      def initialize(request)
        @full_path = request.path[1..]
        parts = @full_path.split('/')

        if parts.size == 1
          @name_with_ext = @full_path
        else
          @folder_name = parts[0..-2]
          @name_with_ext = parts[-1]
        end
      end

      ##
      # @return [String]
      def full_config_name
        [@folder_name, config_name].compact.join('/')
      end

      ##
      # @return [String]
      def config_name
        parts[..-2].join('.')
      end

      ##
      # @return [String]
      def extension
        parts.last
      end

      private

      def parts
        @parts ||= @name_with_ext.split('.')
      end
    end
  end
end