Module: Epay::Api

Defined in:
lib/epay/api.rb,
lib/epay/api/response.rb

Defined Under Namespace

Classes: Response

Class Method Summary collapse

Class Method Details

.authorize(post) ⇒ Object 



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# File 'lib/epay/api.rb', line 4

def authorize(post)
  # Authorize transaction:
  RestClient.post AUTHORIZE_URL, post do |response, request, result|
    # The authorization request redirects to either accept or decline url:
    if location = response.headers[:location]
      query = CGI::parse(URI.parse(location.gsub(' ', '%20')).query)
    
      Hash[query.map do |k, v|
        [k, v.is_a?(Array) && v.size == 1 ? v[0] : v] # make values like ['v'] into 'v'
      end]
    else
      # No location header found
      raise ApiError, response
    end
  end
end

.default_post_for_params(params) ⇒ Object 



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# File 'lib/epay/api.rb', line 21

def default_post_for_params(params)        
  {
    :merchantnumber => Epay.merchant_number,
    
    :cardno     => params[:card_no],
    :cvc        => params[:cvc],
    :expmonth   => params[:exp_month],
    :expyear    => params[:exp_year],
    
    :amount     => (params[:amount] * 100).to_i,
    :currency   => Epay::CURRENCY_CODES[(params[:currency] || Epay.default_currency).to_sym],
    :orderid    => params[:order_no],
    
    :accepturl  => AUTHORIZE_URL + "?accept=1",
    :declineurl => AUTHORIZE_URL + "?decline=1",
  }
end

.handle_failed_response(response) ⇒ Object 



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# File 'lib/epay/api.rb', line 39

def handle_failed_response(response)
  case response.data['epayresponse']
  when "-1002" then raise InvalidMerchantNumber
  when "-1008" then raise TransactionNotFound
  else              raise ApiError, response.data['epayresponse']
  end
end

.request(url, action, params = {}, &block) ⇒ Object 



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# File 'lib/epay/api.rb', line 47

def request(url, action, params = {}, &block)
  service_url = "#{url}.asmx"
  soap_action = url + '/' + action
  
  params[:merchantnumber] ||= Epay.merchant_number
  params[:pwd] = Epay.password if Epay.password.present?

  headers = {
    'Content-Type'  => 'text/xml; charset=utf-8',
    'SOAPAction'    => soap_action,
    'User-Agent'    => "Ruby / epay (#{VERSION})"
  }

  # Setup the SOAP body:
  xml = Builder::XmlMarkup.new(:indent => 2)
  xml.instruct!
  xml.tag! 'soap:Envelope', { 'xmlns:xsi' => 'http://schemas.xmlsoap.org/soap/envelope/',
                              'xmlns:xsd' => 'http://www.w3.org/2001/XMLSchema',
                              'xmlns:soap' => 'http://schemas.xmlsoap.org/soap/envelope/' } do

    xml.tag! 'soap:Body' do
      xml.tag! action, { 'xmlns' => url } do
        params.each do |attribute, value|
          xml.tag! attribute, value if value.present?
        end
      end
    end
  end
  
  RestClient.post service_url, xml.target!, headers do |raw_response, request, result|
    response = Response.new(raw_response, action)
    
    if block_given?
      yield response
    else
      if response.success?
        return response
      else
        handle_failed_response(response)
      end
    end
  end
end