Module: Google::APIClient::Service::StubGenerator

Included in:
Google::APIClient::Service, Resource
Defined in:
lib/google/api_client/service/stub_generator.rb

Overview

Auxiliary mixin to generate resource and method stubs. Used by the Service and Service::Resource classes to generate both top-level and nested resources and methods.

Instance Method Summary collapse

Instance Method Details

#generate_call_stubs(service, root) ⇒ Object 



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# File 'lib/google/api_client/service/stub_generator.rb', line 25

def generate_call_stubs(service, root)
  metaclass = (class << self; self; end)

  # Handle resources.
  root.discovered_resources.each do |resource|
    method_name = ActiveSupport::Inflector.underscore(resource.name).to_sym
    if !self.respond_to?(method_name)
      metaclass.send(:define_method, method_name) do
        Google::APIClient::Service::Resource.new(service, resource)
      end
    end
  end

  # Handle methods.
  root.discovered_methods.each do |method|
    method_name = ActiveSupport::Inflector.underscore(method.name).to_sym
    if !self.respond_to?(method_name)
      metaclass.send(:define_method, method_name) do |*args|
        if args.length > 1
          raise ArgumentError,
            "wrong number of arguments (#{args.length} for 1)"
        elsif !args.first.respond_to?(:to_hash) && !args.first.nil?
          raise ArgumentError,
            "expected parameter Hash, got #{args.first.class}"
        else
          return Google::APIClient::Service::Request.new(
            service, method, args.first
          )
        end
      end
    end
  end
end