module Github::Repos::Downloads

def upload(resource, filename)


* :size - Required number - size of file in bytes.
* resource - Required Hashie::Mash -resource of the create_download call
= Parameters

the response object as an argument to upload method.
Github::Repos::Downloads#create_download. This can be done by passing
Upload a file to Amazon, using the reponse instance from 
def upload(resource, filename)
  _validate_presence_of resource, filename
  raise ArgumentError, 'Need to provied resource of Github::Repose::Downloads#create_download call' unless resource.is_a? Hashie::Mash
  REQUIRED_S3_PARAMS.each do |key|
    raise ArgumentError, "Expected following key: #{key}" unless resource.respond_to?(key)
  end
  # TODO use ordered hash if Ruby < 1.9
  hash = ruby_18 {
    require 'active_support'
    ActiveSupport::OrderedHash.new } || ruby_19 { Hash.new }
  mapped_params = {
    'key'                   => resource.path,
    'acl'                   => resource.acl,
    'success_action_status' => SUCCESS_STATUS,
    'Filename'              => resource.name,
    'AWSAccessKeyId'        => resource.accesskeyid,
    'Policy'                => resource.policy,
    'Signature'             => resource.signature,
    'Content-Type'          => resource.mime_type,
    'file'                  => prepend_at_for(filename.to_s)
  }
  post('', mapped_params, { :url => resource.s3_url })
end