Module: LinodeAPI::Helpers

Included in:
Raw
Defined in:
lib/linodeapi/helpers.rb

Overview

HTTP / API parsing helpers

Instance Method Summary collapse

Instance Method Details

#clean(object) ⇒ Object 



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# File 'lib/linodeapi/helpers.rb', line 28

def clean(object)
  OpenStruct.new(Hash[object.map { |k, v| [k.downcase.to_sym, v] }])
end

#create_http_error(resp) ⇒ Object 



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# File 'lib/linodeapi/helpers.rb', line 13

def create_http_error(resp)
  code = resp.code
  return nil if code == 200
  delay = resp.headers['Retry-After']
  return RetryableHTTPError.new(code, delay) if delay
  HTTPError.new(code)
end

#error_check(resp) ⇒ Object 



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# File 'lib/linodeapi/helpers.rb', line 5

def error_check(resp)
  error = create_http_error(resp)
  raise(error) if error
  data = resp.parsed_response
  raise('Invalid API response received') if data.nil?
  parse data
end

#parse(resp) ⇒ Object

Raises:



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# File 'lib/linodeapi/helpers.rb', line 21

def parse(resp)
  resp['ERRORARRAY'].reject! { |x| x['ERRORCODE'].zero? }
  raise(APIError, resp) unless resp['ERRORARRAY'].empty?
  data = resp['DATA']
  data.is_a?(Hash) ? clean(data) : data.map { |x| clean x }
end

#validate(method, mspec, given) ⇒ Object 



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# File 'lib/linodeapi/helpers.rb', line 32

def validate(method, mspec, given)
  mspec.each_with_object({}) do |(param, info), options|
    if given.include? param
      options[param] = VALIDATION_METHODS[info[:type]].call given[param]
    elsif info[:required]
      raise ArgumentError, "#{method} requires #{param}"
    end
  end
end