Module: GrapePathHelpers::NamedRouteMatcher

Defined in:
lib/grape-path-helpers/named_route_matcher.rb

Overview

methods to extend Grape::Endpoint so that calls to unknown methods will look for a route with a matching helper function name

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args) ⇒ Object

Dispatch method: short-circuits when the call can't be a route helper, otherwise finds the decorated route that matches the supplied segments. rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/grape-path-helpers/named_route_matcher.rb', line 11

def method_missing(method_name, *args)
  return super unless method_name.end_with?('_path')

  possible_routes = Grape::API::Instance
                    .decorated_routes_by_helper_name[method_name]
  return super unless possible_routes

  segments = args.first || {}
  return super unless segments.is_a?(Hash)

  requested_segments = segments.keys.map(&:to_s)

  route = possible_routes.detect do |r|
    r.uses_segments_in_path_helper?(requested_segments)
  end

  if route
    route.send(method_name, *args)
  else
    super
  end
end

Instance Method Details

#grape_route_path?(method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grape-path-helpers/named_route_matcher.rb', line 40

def grape_route_path?(method_name)
  method_name.end_with?('_path') &&
    !Grape::API::Instance
      .decorated_routes_by_helper_name[method_name].nil?
end

#respond_to_missing?(method_name, _include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grape-path-helpers/named_route_matcher.rb', line 36

def respond_to_missing?(method_name, _include_private = false)
  grape_route_path?(method_name) || super
end