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_id, *arguments) ⇒ Object 



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# File 'lib/grape-path-helpers/named_route_matcher.rb', line 6

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

Instance Method Details

#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 21

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

#route_match?(route, method_name, segments) ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/grape-path-helpers/named_route_matcher.rb', line 27

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