From 62c1f702efa3f81c1ee00fd80bce8381a6f55629 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 10:33:10 -0400
Subject: [PATCH 01/20] Add ApiOrder

---
 lib/pagseguro/api_order.rb   | 81 +++++++++++++++++++++++++++++++++++
 lib/pagseguro/api_payment.rb | 82 ++++++++++++++++++++++++++++++++++++
 2 files changed, 163 insertions(+)
 create mode 100644 lib/pagseguro/api_order.rb
 create mode 100644 lib/pagseguro/api_payment.rb

diff --git a/lib/pagseguro/api_order.rb b/lib/pagseguro/api_order.rb
new file mode 100644
index 0000000..30a282d
--- /dev/null
+++ b/lib/pagseguro/api_order.rb
@@ -0,0 +1,81 @@
+module PagSeguro
+  class ApiOrder
+    # Map all billing attributes that will be added as form inputs.
+    BILLING_MAPPING = {
+      :name                  => "senderName",
+      :email                 => "senderEmail",
+      :phone_area_code       => "senderAreaCode",
+      :phone_number          => "senderPhone",
+      :address_zipcode       => "shippingAddressPostalCode",
+      :address_street        => "shippingAddressStreet",
+      :address_number        => "shippingAddressNumber",
+      :address_complement    => "shippingAddressComplement",
+      :address_neighbourhood => "shippingAddressDistrict",
+      :address_city          => "shippingAddressCity",
+      :address_state         => "shippingAddressState",
+      :address_country       => "shippingAddressCountry",
+      :reference             => "reference"
+    }
+
+    # The list of products added to the order
+    attr_accessor :products
+
+    # The billing info that will be sent to PagSeguro.
+    attr_accessor :billing
+
+    # Define the shipping type.
+    # Can be EN (PAC) or SD (Sedex)
+    attr_accessor :shipping_type
+
+    def initialize(order_id = nil)
+      reset!
+      self.id = order_id
+      self.billing = {}
+    end
+
+    # Set the order identifier. Should be a unique
+    # value to identify this order on your own application
+    def id=(identifier)
+      @id = identifier
+    end
+
+    # Get the order identifier
+    def id
+      @id
+    end
+
+    # Remove all products from this order
+    def reset!
+      @products = []
+    end
+
+    # Add a new product to the PagSeguro order
+    # The allowed values are:
+    # - weight (Optional. If float, will be multiplied by 1000g)
+    # - quantity (Optional. Defaults to 1)
+    # - price (Required. If float, will be multiplied by 100 cents)
+    # - description (Required. Identifies the product)
+    # - id (Required. Should match the product on your database)
+    def <<(options)
+      options = {
+        :weight => nil,
+        :quantity => 1
+      }.merge(options)
+
+      # convert weight to grammes
+      options[:weight] = convert_unit(options[:weight], 1000)
+
+      products.push(options)
+    end
+
+    def add(options)
+      self << options
+    end
+
+    private
+    def convert_unit(number, unit)
+      number = (BigDecimal("#{number}") * unit).to_i unless number.nil? || number.kind_of?(Integer)
+      number
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
new file mode 100644
index 0000000..521ea4d
--- /dev/null
+++ b/lib/pagseguro/api_payment.rb
@@ -0,0 +1,82 @@
+# encoding: utf-8
+module PagSeguro
+  class ApiPayment
+    API_URL = "https://ws.pagseguro.uol.com.br/v2/checkout/"
+    
+    # Normalize the specified hash converting all data to UTF-8.
+    #
+    def normalize(hash)
+      each_value(hash) do |value|
+        Utils.to_utf8(value)
+      end
+    end
+
+    # Denormalize the specified hash converting all data to ISO-8859-1.
+    #
+    def denormalize(hash)
+      each_value(hash) do |value|
+        Utils.to_iso8859(value)
+      end
+    end
+
+    private
+    def each_value(hash, &blk) # :nodoc:
+      hash.each do |key, value|
+        if value.kind_of?(Hash)
+          hash[key] = each_value(value, &blk)
+        else
+          hash[key] = blk.call value
+        end
+      end
+
+      hash
+    end
+
+    # Send the ApiOrder information and get redirect url
+    #
+    def get_payment_code(api_order)
+      # include the params to validate our request
+      debugger
+      request_params = {
+        :encoding => "UTF-8",
+        :email => PagSeguro.config["email"],
+        :token => PagSeguro.config["authenticity_token"],
+        :currency => "BRL",
+        :reference => api_order.id
+      }
+      # <%= hidden_field_tag "tipo", "CP" %>
+
+      api_order.products.each_with_index do |product, i|
+        i += 1
+        request_params.merge({
+          "itemQuantity#{i}".to_sym => product[:quantity],
+          "itemId{i}".to_sym => product[:id],
+          "itemDescription#{i}".to_sym => product[:description],
+          "itemAmount{i}".to_sym => product[:price]          
+        })
+        request_params.merge({
+          "itemWeight#{i}".to_sym => product[:weight].to_i
+        }) if product[:weight]
+      end
+
+      api_order.billing.each do |name, value|
+        request_params.merge({
+          PagSeguro::ApiOrder::BILLING_MAPPING[name.to_sym].to_sym => value
+        })
+      end
+
+      # do the request
+      uri = URI.parse(API_URL)
+      http = Net::HTTP.new(uri.host, uri.port)
+      http.use_ssl = true
+      http.verify_mode = OpenSSL::SSL::VERIFY_PEER
+      http.ca_file = File.dirname(__FILE__) + "/cacert.pem"
+
+      request = Net::HTTP::Post.new(uri.path)
+      request.form_data = denormalize(request_params)
+      response = http.start {|r| r.request request }
+      debugger
+      (response.body =~ /VERIFICADO/) != nil
+    end
+  end
+end

From c05cd9ef4f82e0b0175aa1cd7932db446359874b Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 10:39:25 -0400
Subject: [PATCH 02/20] Add ApiOrder

---
 lib/pagseguro.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/pagseguro.rb b/lib/pagseguro.rb
index 20a0368..e47870e 100644
--- a/lib/pagseguro.rb
+++ b/lib/pagseguro.rb
@@ -10,6 +10,8 @@
 require "pagseguro/railtie"
 require "pagseguro/notification"
 require "pagseguro/order"
+require "pagseguro/api_order"
+require "pagseguro/api_payment"
 require "pagseguro/action_controller"
 require "pagseguro/helper"
 require "pagseguro/utils"

From 65a9be708e922753b6c734788ad518b56c603aa5 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 10:44:23 -0400
Subject: [PATCH 03/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 521ea4d..c0642fb 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -19,19 +19,6 @@ def denormalize(hash)
       end
     end
 
-    private
-    def each_value(hash, &blk) # :nodoc:
-      hash.each do |key, value|
-        if value.kind_of?(Hash)
-          hash[key] = each_value(value, &blk)
-        else
-          hash[key] = blk.call value
-        end
-      end
-
-      hash
-    end
-
     # Send the ApiOrder information and get redirect url
     #
     def get_payment_code(api_order)
@@ -78,5 +65,18 @@ def get_payment_code(api_order)
       debugger
       (response.body =~ /VERIFICADO/) != nil
     end
+    
+    private
+    def each_value(hash, &blk) # :nodoc:
+      hash.each do |key, value|
+        if value.kind_of?(Hash)
+          hash[key] = each_value(value, &blk)
+        else
+          hash[key] = blk.call value
+        end
+      end
+
+      hash
+    end
   end
 end

From 26bb11b4adcb9448a3d96081c92a67128e9494e2 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 10:55:52 -0400
Subject: [PATCH 04/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index c0642fb..6ff4444 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -1,8 +1,10 @@
 # encoding: utf-8
 module PagSeguro
   class ApiPayment
+    extend self
+
     API_URL = "https://ws.pagseguro.uol.com.br/v2/checkout/"
-    
+
     # Normalize the specified hash converting all data to UTF-8.
     #
     def normalize(hash)
@@ -35,19 +37,19 @@ def get_payment_code(api_order)
 
       api_order.products.each_with_index do |product, i|
         i += 1
-        request_params.merge({
+        request_params.merge!({
           "itemQuantity#{i}".to_sym => product[:quantity],
           "itemId{i}".to_sym => product[:id],
           "itemDescription#{i}".to_sym => product[:description],
           "itemAmount{i}".to_sym => product[:price]          
         })
-        request_params.merge({
+        request_params.merge!({
           "itemWeight#{i}".to_sym => product[:weight].to_i
         }) if product[:weight]
       end
 
       api_order.billing.each do |name, value|
-        request_params.merge({
+        request_params.merge!({
           PagSeguro::ApiOrder::BILLING_MAPPING[name.to_sym].to_sym => value
         })
       end

From 9133be78aae78d0a92518506568173c92bf91b4d Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 10:58:59 -0400
Subject: [PATCH 05/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 6ff4444..b9bdbe7 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -1,6 +1,6 @@
 # encoding: utf-8
 module PagSeguro
-  class ApiPayment
+  module ApiPayment
     extend self
 
     API_URL = "https://ws.pagseguro.uol.com.br/v2/checkout/"

From 76fae64c0516ac50705155ade8c27d7132c64964 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 11:02:58 -0400
Subject: [PATCH 06/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index b9bdbe7..c37aaf6 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -39,9 +39,9 @@ def get_payment_code(api_order)
         i += 1
         request_params.merge!({
           "itemQuantity#{i}".to_sym => product[:quantity],
-          "itemId{i}".to_sym => product[:id],
+          "itemId#{i}".to_sym => product[:id],
           "itemDescription#{i}".to_sym => product[:description],
-          "itemAmount{i}".to_sym => product[:price]          
+          "itemAmount#{i}".to_sym => product[:price]          
         })
         request_params.merge!({
           "itemWeight#{i}".to_sym => product[:weight].to_i

From f3873b18e63612345a2c9141f0624fba511a077c Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 11:19:24 -0400
Subject: [PATCH 07/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index c37aaf6..9079a47 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -25,7 +25,6 @@ def denormalize(hash)
     #
     def get_payment_code(api_order)
       # include the params to validate our request
-      debugger
       request_params = {
         :encoding => "UTF-8",
         :email => PagSeguro.config["email"],
@@ -64,8 +63,7 @@ def get_payment_code(api_order)
       request = Net::HTTP::Post.new(uri.path)
       request.form_data = denormalize(request_params)
       response = http.start {|r| r.request request }
-      debugger
-      (response.body =~ /VERIFICADO/) != nil
+      response
     end
     
     private

From e362a28af857f56d1553f8640cb3edcd3756a622 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 11:46:58 -0400
Subject: [PATCH 08/20] Add ApiOrder

---
 lib/pagseguro/api_order.rb   | 23 +++++++++++++++++++----
 lib/pagseguro/api_payment.rb | 15 ++++++++++++---
 2 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/lib/pagseguro/api_order.rb b/lib/pagseguro/api_order.rb
index 30a282d..41c01c7 100644
--- a/lib/pagseguro/api_order.rb
+++ b/lib/pagseguro/api_order.rb
@@ -14,7 +14,6 @@ class ApiOrder
       :address_city          => "shippingAddressCity",
       :address_state         => "shippingAddressState",
       :address_country       => "shippingAddressCountry",
-      :reference             => "reference"
     }
 
     # The list of products added to the order
@@ -23,10 +22,24 @@ class ApiOrder
     # The billing info that will be sent to PagSeguro.
     attr_accessor :billing
 
-    # Define the shipping type.
-    # Can be EN (PAC) or SD (Sedex)
+    # Optional: define the shipping type. Can be 1 (PAC) or 2 (Sedex)
     attr_accessor :shipping_type
+    
+    # Optional: extra amount on the purchase (negative for discount
+    attr_accessor :extra_amount
 
+    # Optional: specific redirect URL
+    attr_accessor :redirect_url
+
+    # Optional: order id in your system
+    attr_accessor :reference
+
+    # Optional: maximum number of uses of generated code, integer greater than 0
+    attr_accessor :max_uses
+    
+    # Optional: maximum age of generated code in seconds, integer greater than 30
+    attr_accessor :max_age
+    
     def initialize(order_id = nil)
       reset!
       self.id = order_id
@@ -53,9 +66,11 @@ def reset!
     # The allowed values are:
     # - weight (Optional. If float, will be multiplied by 1000g)
     # - quantity (Optional. Defaults to 1)
-    # - price (Required. If float, will be multiplied by 100 cents)
+    # - price (Required, can be float)
     # - description (Required. Identifies the product)
     # - id (Required. Should match the product on your database)
+    # - shipping_cost(Optional. Will be used if provided instead
+    #     of calculated by Correio)
     def <<(options)
       options = {
         :weight => nil,
diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 9079a47..ee495f4 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -23,14 +23,13 @@ def denormalize(hash)
 
     # Send the ApiOrder information and get redirect url
     #
-    def get_payment_code(api_order)
+    def get_payment_response(api_order)
       # include the params to validate our request
       request_params = {
         :encoding => "UTF-8",
         :email => PagSeguro.config["email"],
         :token => PagSeguro.config["authenticity_token"],
-        :currency => "BRL",
-        :reference => api_order.id
+        :currency => "BRL"
       }
       # <%= hidden_field_tag "tipo", "CP" %>
 
@@ -53,6 +52,14 @@ def get_payment_code(api_order)
         })
       end
 
+      # add optional values if available
+      request_params.merge!({:reference => api_order.id}) if api_order.id
+      request_params.merge!({:shippingType => api_order.shipping_type}) if api_order.shipping_type
+      request_params.merge!({:extraAmount => api_order.extra_amount}) if api_order.extra_amount
+      request_params.merge!({:redirectURL => api_order.redirect_url}) if api_order.redirect_url
+      request_params.merge!({:maxUses => api_order.max_uses}) if api_order.max_uses
+      request_params.merge!({:maxAge => api_order.max_age}) if api_order.max_age
+      
       # do the request
       uri = URI.parse(API_URL)
       http = Net::HTTP.new(uri.host, uri.port)
@@ -63,6 +70,8 @@ def get_payment_code(api_order)
       request = Net::HTTP::Post.new(uri.path)
       request.form_data = denormalize(request_params)
       response = http.start {|r| r.request request }
+      
+      #return the request
       response
     end
     

From 93f86fb68f709a89979fd14639761c38041962a6 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 12:14:30 -0400
Subject: [PATCH 09/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 33 +++++++++++++++++++++++++--------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index ee495f4..2014b0d 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -1,10 +1,18 @@
 # encoding: utf-8
 module PagSeguro
-  module ApiPayment
-    extend self
+  class ApiPayment
 
     API_URL = "https://ws.pagseguro.uol.com.br/v2/checkout/"
 
+    # the pure response from the HTTP request
+    attr_accessor :response
+    
+    # The pure response from the HTTP request to check for errors
+    attr_accessor :payment
+
+    # The redirect_url if successful
+    attr_accessor :redirect_url
+    
     # Normalize the specified hash converting all data to UTF-8.
     #
     def normalize(hash)
@@ -22,8 +30,11 @@ def denormalize(hash)
     end
 
     # Send the ApiOrder information and get redirect url
-    #
-    def get_payment_response(api_order)
+    def initialize(api_order)
+      reset!
+      self.id = order_id
+      self.billing = {}
+
       # include the params to validate our request
       request_params = {
         :encoding => "UTF-8",
@@ -31,7 +42,6 @@ def get_payment_response(api_order)
         :token => PagSeguro.config["authenticity_token"],
         :currency => "BRL"
       }
-      # <%= hidden_field_tag "tipo", "CP" %>
 
       api_order.products.each_with_index do |product, i|
         i += 1
@@ -71,10 +81,17 @@ def get_payment_response(api_order)
       request.form_data = denormalize(request_params)
       response = http.start {|r| r.request request }
       
-      #return the request
-      response
+      # saves the response
+      @response = response
+      
+      # saves the payment in hash format
+      @payment = Hash.from_xml(payment_response(api_order).body)
+
+      # saves the redirect_url
+      code = @payment.try(:[], :checkout).try(:[], :code)
+      @redirect_url = code ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{code}" : nil
     end
-    
+
     private
     def each_value(hash, &blk) # :nodoc:
       hash.each do |key, value|

From 3d459544e97e565424bb79fb323ab685e7af45e3 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 12:20:56 -0400
Subject: [PATCH 10/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 2014b0d..3f46c71 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -7,12 +7,15 @@ class ApiPayment
     # the pure response from the HTTP request
     attr_accessor :response
     
-    # The pure response from the HTTP request to check for errors
+    # The complete response hash
     attr_accessor :payment
 
+    # Errors hash if any
+    attr_accessor :errors
+    
     # The redirect_url if successful
     attr_accessor :redirect_url
-    
+
     # Normalize the specified hash converting all data to UTF-8.
     #
     def normalize(hash)
@@ -31,10 +34,6 @@ def denormalize(hash)
 
     # Send the ApiOrder information and get redirect url
     def initialize(api_order)
-      reset!
-      self.id = order_id
-      self.billing = {}
-
       # include the params to validate our request
       request_params = {
         :encoding => "UTF-8",
@@ -87,6 +86,9 @@ def initialize(api_order)
       # saves the payment in hash format
       @payment = Hash.from_xml(payment_response(api_order).body)
 
+      # get errors if any
+      @errors = @payment.try(:[], :errors)      
+      
       # saves the redirect_url
       code = @payment.try(:[], :checkout).try(:[], :code)
       @redirect_url = code ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{code}" : nil

From 119312b69ad6ed19b9bb7b196adeb33d590db1ff Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 12:22:37 -0400
Subject: [PATCH 11/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 3f46c71..112854a 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -84,7 +84,7 @@ def initialize(api_order)
       @response = response
       
       # saves the payment in hash format
-      @payment = Hash.from_xml(payment_response(api_order).body)
+      @payment = Hash.from_xml(@response.body)
 
       # get errors if any
       @errors = @payment.try(:[], :errors)      

From 30cdb9f8e34361de3fb6ebf6452d675005bf65ab Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 12:25:19 -0400
Subject: [PATCH 12/20] Add ApiOrder

---
 lib/pagseguro/api_payment.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 112854a..7b903cc 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -87,10 +87,10 @@ def initialize(api_order)
       @payment = Hash.from_xml(@response.body)
 
       # get errors if any
-      @errors = @payment.try(:[], :errors)      
+      @errors = @payment.try(:[], 'errors')      
       
       # saves the redirect_url
-      code = @payment.try(:[], :checkout).try(:[], :code)
+      code = @payment.try(:[], 'checkout').try(:[], 'code')
       @redirect_url = code ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{code}" : nil
     end
 

From a44bbc2c012ce4d55d29bf6bc98623825d1fe813 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Wed, 6 Jun 2012 17:39:42 -0400
Subject: [PATCH 13/20] Add helper

---
 lib/pagseguro/api_payment.rb | 9 ++++++---
 lib/pagseguro/utils.rb       | 4 ++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 7b903cc..4327548 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -13,8 +13,11 @@ class ApiPayment
     # Errors hash if any
     attr_accessor :errors
     
+    # Errors hash if any
+    attr_accessor :errors
+
     # The redirect_url if successful
-    attr_accessor :redirect_url
+    attr_accessor :code
 
     # Normalize the specified hash converting all data to UTF-8.
     #
@@ -90,8 +93,8 @@ def initialize(api_order)
       @errors = @payment.try(:[], 'errors')      
       
       # saves the redirect_url
-      code = @payment.try(:[], 'checkout').try(:[], 'code')
-      @redirect_url = code ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{code}" : nil
+      @code = @payment.try(:[], 'checkout').try(:[], 'code')
+      @redirect_url = @code ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{@code}" : nil
     end
 
     private
diff --git a/lib/pagseguro/utils.rb b/lib/pagseguro/utils.rb
index 6070cb9..1258509 100644
--- a/lib/pagseguro/utils.rb
+++ b/lib/pagseguro/utils.rb
@@ -9,5 +9,9 @@ def to_utf8(string)
     def to_iso8859(string)
       string.to_s.unpack("U*").pack("C*")
     end
+    
+    def to_payment_url(string)
+      string ? "https://pagseguro.uol.com.br/v2/checkout/payment.html?code=#{string}" : nil
+    end
   end
 end

From 4dc52c6cd18a224471e8b16df59378b2880309d2 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sat, 9 Jun 2012 16:16:34 -0400
Subject: [PATCH 14/20] Adjust accessors

---
 lib/pagseguro/api_payment.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/pagseguro/api_payment.rb b/lib/pagseguro/api_payment.rb
index 4327548..d000ee3 100644
--- a/lib/pagseguro/api_payment.rb
+++ b/lib/pagseguro/api_payment.rb
@@ -13,11 +13,11 @@ class ApiPayment
     # Errors hash if any
     attr_accessor :errors
     
-    # Errors hash if any
-    attr_accessor :errors
+    # Payment code attributed by PagSeguro
+    attr_accessor :code
 
     # The redirect_url if successful
-    attr_accessor :code
+    attr_accessor :redirect_url
 
     # Normalize the specified hash converting all data to UTF-8.
     #

From 977a9f0a903d86d609fca9212b8c7975b77830db Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sat, 9 Jun 2012 18:39:51 -0400
Subject: [PATCH 15/20] Adjust output for less than 10 cents

---
 lib/pagseguro/order.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index d71efb2..b9311d1 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -72,7 +72,7 @@ def <<(options)
       options[:fees] = convert_unit(options[:fees], 100)
 
       # convert price to cents
-      options[:price] = convert_unit(options[:price], 100)
+      options[:price] = "%03d" % convert_unit(options[:price], 100)
 
       # convert weight to grammes
       options[:weight] = convert_unit(options[:weight], 1000)

From f5d064bdf1d2d2a8e4a341283e97169131548d36 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sat, 9 Jun 2012 18:47:03 -0400
Subject: [PATCH 16/20] Adjust output for less than 10 cents

---
 lib/pagseguro/order.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index b9311d1..6e75404 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -72,7 +72,7 @@ def <<(options)
       options[:fees] = convert_unit(options[:fees], 100)
 
       # convert price to cents
-      options[:price] = "%03d" % convert_unit(options[:price], 100)
+      options[:price] = convert_unit(options[:price], 100)
 
       # convert weight to grammes
       options[:weight] = convert_unit(options[:weight], 1000)
@@ -87,7 +87,7 @@ def add(options)
     private
     def convert_unit(number, unit)
       number = (BigDecimal("#{number}") * unit).to_i unless number.nil? || number.kind_of?(Integer)
-      number
+      "%03d" % number
     end
   end
 end

From 6cbc039d923c06d023ea67f3ec72b3e6285a3951 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Sat, 9 Jun 2012 18:49:55 -0400
Subject: [PATCH 17/20] Adjust output for less than 10 cents

---
 lib/pagseguro/order.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index 6e75404..ce57ac7 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -87,7 +87,7 @@ def add(options)
     private
     def convert_unit(number, unit)
       number = (BigDecimal("#{number}") * unit).to_i unless number.nil? || number.kind_of?(Integer)
-      "%03d" % number
+      "%03d" % number.to_i
     end
   end
 end

From 7bd94c298570e602a4afa33603432a0220f8e788 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Thu, 28 Jun 2012 03:11:04 -0300
Subject: [PATCH 18/20] Add extra amount to order

---
 lib/pagseguro/order.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index ce57ac7..50a1191 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -13,7 +13,8 @@ class Order
       :address_country       => "cliente_pais",
       :phone_area_code       => "cliente_ddd",
       :phone_number          => "cliente_tel",
-      :email                 => "cliente_email"
+      :email                 => "cliente_email",
+      :extra_amount          => "extra_amount"
     }
 
     # The list of products added to the order

From adae26129d7528334bf3a36d39eea1bcfb899041 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Thu, 28 Jun 2012 03:14:45 -0300
Subject: [PATCH 19/20] Extra amount adjustment

---
 lib/pagseguro/order.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index 50a1191..90fade9 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -13,10 +13,12 @@ class Order
       :address_country       => "cliente_pais",
       :phone_area_code       => "cliente_ddd",
       :phone_number          => "cliente_tel",
-      :email                 => "cliente_email",
-      :extra_amount          => "extra_amount"
+      :email                 => "cliente_email"
     }
 
+    # The list of products added to the order
+    attr_accessor :extra_amount
+    
     # The list of products added to the order
     attr_accessor :products
 

From 76bd1c503fd688b6859e7d79426acd986e6c63f7 Mon Sep 17 00:00:00 2001
From: = <=>
Date: Thu, 28 Jun 2012 03:19:56 -0300
Subject: [PATCH 20/20] Extra amount adjustment

---
 lib/pagseguro/order.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pagseguro/order.rb b/lib/pagseguro/order.rb
index 90fade9..dc80d6e 100644
--- a/lib/pagseguro/order.rb
+++ b/lib/pagseguro/order.rb
@@ -16,7 +16,7 @@ class Order
       :email                 => "cliente_email"
     }
 
-    # The list of products added to the order
+    # Optional: extra amount on the purchase (negative for discount
     attr_accessor :extra_amount
     
     # The list of products added to the order