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WebpayRails is an easy solution for integrate Transbank Webpay in Rails applications.
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 Dependencies

Development

>= 5.0.0.1, ~> 5.0
>= 5.0.0.1, ~> 5.0
>= 2.10.1, ~> 2.10
~> 0.5.5
>= 0
~> 3.5

Runtime

< 5.1, >= 4
>= 1.6.7.2, ~> 1.6
< 5.1, >= 4.1.0
~> 2
~> 1.4.3
 Project Readme

WebpayRails

Build Status Code Climate Coverage Status Dependency Status Gem Version

WebpayRails is an easy solution for integrate Transbank Webpay in Rails applications.

This gem (including certificates used in tests) was originally based on the SDK for Ruby (distributed under the open source license) available in www.transbankdevelopers.cl

WebpayRails has been Deprecated

Transbank no longer supports SOAP integration. This repository has been deprecated and will no longer be maintained.

You should consider using the official gem transbank-sdk-ruby.

Getting started

This README is only valid for the master branch, click here for see the latest released version.

You can add it to your Gemfile:

gem 'webpay_rails'

Run the bundle command to install it.

Configuring models

After that, extend the model to WebpayRails and add webpay_rails to this, like below.

class Order < ActiveRecord::Base
  extend WebpayRails

  webpay_rails(
    commerce_code: 123456789,
    private_key: '-----BEGIN RSA PRIVATE KEY-----
...
-----END RSA PRIVATE KEY-----',
    public_cert: '-----BEGIN CERTIFICATE-----
...
-----END CERTIFICATE-----',
    webpay_cert: '-----BEGIN CERTIFICATE-----
...
-----END CERTIFICATE-----',
    environment: :integration,
    log: true
  )
end

As you can see for private_key, public_cert, and webpay_cert, the content of the files is entered, without prejudice to the above you can also indicate the absolute path to these files.

The default environment is :integration, and the valid environments are :integration, :certification and :production. Depending on the environment is assigned the wsdl path.

The log is very useful when generating the evidence of integration, and is enabled by default. The log can be found both in the rails log and in a separate file (log\webpay.log).

Obviously all these values should not be defined directly in the model. It is strongly recommended to use environment variables for this (dotenv).

Using WebpayRails

Initializing a transaction

First we need to initialize an transaction, like below:

@transaction = Order.init_transaction(amount: amount, buy_order: buy_order, session_id: session_id, return_url: return_url, final_url: final_url)

Where amount is an integer that define the amount of the transaction (obviously), buy_order is an string that define the order number of the buy, session_id is an string that define a local variable that will be returned as part of the result of the transaction, return_url and final_url are a string for the redirections.

This method return a Transaction object, that contain a redirection url and token for redirect the customer through POST method, like below.

<% if @transaction.success? %>
  <%= form_tag(@transaction.url, method: :post, enforce_utf8: false, authenticity_token: false) do %>
    <%= hidden_field_tag(:token_ws, @transaction.token) %>
    <%= submit_tag("Pagar con Webpay") %>
  <% end %>
<% end %>

Once Webpay displays the form of payment and authorization of the bank, the customer will send back through POST method to the return_url with a token_ws. (If the customer cancels the transaction is directly returned to the final_url in the same way).

Getting the result of a transaction

When Webpay send a POST to return_url with token_ws, we need to ask for the transaction result, like below.

@result = Order.transaction_result(token: params[:token_ws])

This method return a TransactionResult object, that contain an buy_order, session_id, accounting_date, transaction_date, vci, url_redirection, card_number, card_expiration_date, authorization_code, payment_type_code, response_code, amount, shares_number and commerce_code.

At this point we have confirmed the transaction with Transbank, performing the operation acknowledge_transaction by means of transaction_result.

Now we need to send back the customer to url_redirection with token_ws through GET method.

Ending a transaction

When Webpay send customer to final_url, we are done. Finally the transaction has ended. 👏

Nullify a transaction

To cancel a transaction we must use the method described below.

@transaction = Order.nullify(authorization_code: authorization_code, authorized_amount: authorized_amount, buy_order: buy_order, nullify_amount: nullify_amount)

Where authorization_code, authorized_amount, buy_order, are known and corresponds to the transaction to be canceled, and nullify_amount it corresponds to the amount to be canceled.

This method return a TransactionNullified object, that contain an token, authorization_code, authorization_date, balance and nullified_amount.

Note that you can only make a single cancellation, whether total or partial.

Contributing

Any contribution is welcome. Personally I prefer to use English to do documentation and describe commits, however there is no problem if you make your comments and issues in Spanish.

Reporting issues

Please try to answer the following questions in your bug report:

  • What did you do?
  • What did you expect to happen?
  • What happened instead?

Make sure to include as much relevant information as possible. Ruby version, WebpayRails version, OS version and any stack traces you have are very valuable.

Pull Requests

  • Add tests! Your patch won't be accepted if it doesn't have tests.

  • Document any change in behaviour. Make sure the README and any relevant documentation are kept up-to-date.

  • Create topic branches. Please don't ask us to pull from your master branch.

  • One pull request per feature. If you want to do more than one thing, send multiple pull requests.

  • Send coherent history. Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please squash them before sending them to us.