Contents

require 'msgpack'
require 'grape'
require 'grape/msgpack/version'

module Grape
  # Message pack formatter for Grape
  module Msgpack
    module Formatter
      class << self
        def call(obj, env)
          return obj.to_msgpack if obj.respond_to?(:to_msgpack)
          MessagePack.pack(obj)
        end
      end
    end

    module ErrorFormatter
      class << self
        def call(message, backtrace, options = {}, env = nil)
          result = message.is_a?(Hash) ? message : { error: message }
          if (options[:rescue_options] || {})[:backtrace] && backtrace && !backtrace.empty?
            result = result.merge(backtrace: backtrace)
          end
          MessagePack.pack(result)
        end
      end
    end
  end
end

class << Grape::Formatter::Base
  FORMATTERS[:msgpack] = Grape::Msgpack::Formatter
end

class << Grape::ErrorFormatter::Base
  FORMATTERS[:msgpack] = Grape::Msgpack::ErrorFormatter
end

Grape::ContentTypes::CONTENT_TYPES[:msgpack] = 'application/x-msgpack'

if defined?(Grape::Entity)
  class Grape::Entity
    def to_msgpack(options = {})
      options = options.to_h if options && options.respond_to?(:to_h)
      MessagePack.pack(serializable_hash(options))
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
grape-msgpack-0.1.1	lib/grape/msgpack.rb
grape-msgpack-0.1.0	lib/grape/msgpack.rb