### Home Classes Methods

### In Files

- lib/active_merchant/billing/integrations/paypal/notification.rb

### Parent

ActiveMerchant::Billing::Integrations::Notification

### Methods

- #account
- #acknowledge
- #complete?
- #currency
- #fee
- #gross
- #invoice
- #item_id
- #received_at
- #status
- #test?
- #transaction_id
- #type

### Included Modules

- PostsData

### Class/Module Index

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- ActiveMerchant::Billing::PaypalExpressResponse
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- ActiveMerchant::Billing::SkipJackGateway
- ActiveMerchant::Billing::StripeGateway
- ActiveMerchant::Billing::TransFirstGateway
- ActiveMerchant::Billing::TransaxGateway
- ActiveMerchant::Billing::TrustCommerceGateway
- ActiveMerchant::Billing::UsaEpayAdvancedGateway
- ActiveMerchant::Billing::UsaEpayGateway
- ActiveMerchant::Billing::UsaEpayTransactionGateway
- ActiveMerchant::Billing::VerifiGateway
- ActiveMerchant::Billing::VerifiGateway::VerifiPostData
- ActiveMerchant::Billing::ViaklixGateway
- ActiveMerchant::Billing::WirecardGateway
- ActiveMerchant::Billing::WorldpayGateway
- ActiveMerchant::Billing::WorldpayGateway::MultiResponse
- BraintreeCommon
- OutboundHosts

No matching classes.

# ActiveMerchant::Billing::Integrations::Paypal::Notification

Parser and handler for incoming Instant payment notifications from paypal. The Example shows a typical handler in a rails application. Note that this is an example, please read the Paypal API documentation for all the details on creating a safe payment controller.

Example

    class BackendController < ApplicationController
      include ActiveMerchant::Billing::Integrations

      def paypal_ipn
        notify = Paypal::Notification.new(request.raw_post)

        order = Order.find(notify.item_id)

        if notify.acknowledge
          begin

            if notify.complete? and order.total == notify.amount
              order.status = 'success'

              shop.ship(order)
            else
              logger.error("Failed to verify Paypal's notification, please investigate")
            end

          rescue => e
            order.status        = 'failed'
            raise
          ensure
            order.save
          end
        end

        render :nothing
      end
    end

### Public Instance Methods

account() click to toggle source

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 120
    def account
      params['business'] || params['receiver_email']
    end

acknowledge() click to toggle source

Acknowledge the transaction to paypal. This method has to be called after a new ipn arrives. Paypal will verify that all the information we received are correct and will return a ok or a fail.

Example:

    def paypal_ipn
      notify = PaypalNotification.new(request.raw_post)

      if notify.acknowledge
        ... process order ... if notify.complete?
      else
        ... log possible hacking attempt ...
      end

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 138
    def acknowledge
      payload =  raw

      response = ssl_post(Paypal.service_url + '?cmd=_notify-validate', payload,
        'Content-Length' => "#{payload.size}",
        'User-Agent'     => "Active Merchant -- http://activemerchant.org"
      )

      raise StandardError.new("Faulty paypal result: #{response}") unless ["VERIFIED", "INVALID"].include?(response)

      response == "VERIFIED"
    end

complete?() click to toggle source

Was the transaction complete?

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 48
    def complete?
      status == "Completed"
    end

currency() click to toggle source

What currency have we been dealing with

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 99
    def currency
      params['mc_currency']
    end

fee() click to toggle source

the markup paypal charges for the transaction

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 94
    def fee
      params['mc_fee']
    end

gross() click to toggle source

the money amount we received in X.2 decimal.

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 89
    def gross
      params['mc_gross']
    end

invoice() click to toggle source

This is the invoice which you passed to paypal

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 111
    def invoice
      params['invoice']
    end

item_id() click to toggle source

This is the item number which we submitted to paypal The custom field is also mapped to item_id because PayPal doesn't return item_number in dispute notifications

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 106
    def item_id
      params['item_number'] || params['custom']
    end

received_at() click to toggle source

When was this payment received by the client. sometimes it can happen that we get the notification much later. One possible scenario is that our web application was down. In this case paypal tries several times an hour to inform us about the notification

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 56
    def received_at
      Time.parse params['payment_date']
    end

status() click to toggle source

Status of transaction. List of possible values:

`Canceled-Reversal` |
`Completed` |
`Denied` |
`Expired` |
`Failed` |
`In-Progress` |
`Partially-Refunded` |
`Pending` |
`Processed` |
`Refunded` |
`Reversed` |
`Voided` |

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 73
    def status
      params['payment_status']
    end

test?() click to toggle source

Was this a test transaction?

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 116
    def test?
      params['test_ipn'] == '1'
    end

transaction_id() click to toggle source

Id of this transaction (paypal number)

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 78
    def transaction_id
      params['txn_id']
    end

type() click to toggle source

What type of transaction are we dealing with?

    "cart" "send_money" "web_accept" are possible here.

    # File lib/active_merchant/billing/integrations/paypal/notification.rb, line 84
    def type
      params['txn_type']
    end

[Validate]

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