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Contents

module GrapePathHelpers
  # methods to extend Grape::Endpoint so that calls
  # to unknown methods will look for a route with a matching
  # helper function name
  module NamedRouteMatcher
    def method_missing(method_id, *arguments)
      super unless method_id.to_s =~ /_path$/
      segments = arguments.first || {}

      route = Grape::API.decorated_routes.detect do |r|
        route_match?(r, method_id, segments)
      end

      if route
        route.send(method_id, *arguments)
      else
        super
      end
    end

    def respond_to_missing?(method_name, _include_private = false)
      Grape::API.decorated_routes.detect do |r|
        route_match?(r, method_name, {})
      end
    end

    def route_match?(route, method_name, segments)
      return false unless route.respond_to?(method_name)
      # rubocop:disable Metrics/LineLength
      raise ArgumentError, 'Helper options must be a hash' unless segments.is_a?(Hash)
      # rubocop:enable Metrics/LineLength
      requested_segments = segments.keys.map(&:to_s)
      route.uses_segments_in_path_helper?(requested_segments)
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version Path
grape-path-helpers-1.0.2 lib/grape-path-helpers/named_route_matcher.rb
grape-path-helpers-1.0.1 lib/grape-path-helpers/named_route_matcher.rb
grape-path-helpers-1.0.0 lib/grape-path-helpers/named_route_matcher.rb