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-rw-r--r--billing/app/controllers/payments_controller.rb22
-rw-r--r--billing/app/helpers/braintree_helper.rb50
-rw-r--r--billing/app/views/payments/confirm.html.erb16
-rw-r--r--billing/app/views/payments/new.html.erb38
4 files changed, 126 insertions, 0 deletions
diff --git a/billing/app/controllers/payments_controller.rb b/billing/app/controllers/payments_controller.rb
new file mode 100644
index 0000000..2a76bb1
--- /dev/null
+++ b/billing/app/controllers/payments_controller.rb
@@ -0,0 +1,22 @@
+class PaymentsController < ApplicationController
+ def new
+ @amount = calculate_amount
+ end
+
+ def confirm
+ @result = Braintree::TransparentRedirect.confirm(request.query_string)
+ if @result.success?
+ render :action => "confirm"
+ else
+ @amount = calculate_amount
+ render :action => "new"
+ end
+ end
+
+ protected
+
+ def calculate_amount
+ # in a real app this be calculated from a shopping cart, determined by the product, etc.
+ "100.00"
+ end
+end
diff --git a/billing/app/helpers/braintree_helper.rb b/billing/app/helpers/braintree_helper.rb
new file mode 100644
index 0000000..3d6e887
--- /dev/null
+++ b/billing/app/helpers/braintree_helper.rb
@@ -0,0 +1,50 @@
+module BraintreeHelper
+ class BraintreeFormBuilder < ActionView::Helpers::FormBuilder
+ include ActionView::Helpers::AssetTagHelper
+ include ActionView::Helpers::TagHelper
+
+ def initialize(object_name, object, template, options, proc)
+ super
+ @braintree_params = @options[:params]
+ @braintree_errors = @options[:errors]
+ end
+
+ def fields_for(record_name, *args, &block)
+ options = args.extract_options!
+ options[:builder] = BraintreeFormBuilder
+ options[:params] = @braintree_params && @braintree_params[record_name]
+ options[:errors] = @braintree_errors && @braintree_errors.for(record_name)
+ new_args = args + [options]
+ super record_name, *new_args, &block
+ end
+
+ def text_field(method, options = {})
+ has_errors = @braintree_errors && @braintree_errors.on(method).any?
+ field = super(method, options.merge(:value => determine_value(method)))
+ result = content_tag("div", field, :class => has_errors ? "fieldWithErrors" : "")
+ result.safe_concat validation_errors(method)
+ result
+ end
+
+ protected
+
+ def determine_value(method)
+ if @braintree_params
+ @braintree_params[method]
+ else
+ nil
+ end
+ end
+
+ def validation_errors(method)
+ if @braintree_errors && @braintree_errors.on(method).any?
+ @braintree_errors.on(method).map do |error|
+ content_tag("div", ERB::Util.h(error.message), {:style => "color: red;"})
+ end.join
+ else
+ ""
+ end
+ end
+ end
+end
+
diff --git a/billing/app/views/payments/confirm.html.erb b/billing/app/views/payments/confirm.html.erb
new file mode 100644
index 0000000..5ab851e
--- /dev/null
+++ b/billing/app/views/payments/confirm.html.erb
@@ -0,0 +1,16 @@
+<h1>Payment Result</h1>
+
+<div>Thank you for your payment.</div>
+
+<h2>Transaction Details</h2>
+
+<table>
+ <tr><td>Amount</td><td>$<%= @result.transaction.amount %></td></tr>
+ <tr><td>Transaction ID:</td><td><%= @result.transaction.id %></td></tr>
+ <tr><td>First Name:</td><td><%= h @result.transaction.customer_details.first_name %></td></tr>
+ <tr><td>Last Name:</td><td><%= h @result.transaction.customer_details.last_name %></td></tr>
+ <tr><td>Email:</td><td><%= h @result.transaction.customer_details.email %></td></tr>
+ <tr><td>Credit Card:</td><td><%= h @result.transaction.credit_card_details.masked_number %></td></tr>
+ <tr><td>Card Type:</td><td><%= h @result.transaction.credit_card_details.card_type %></td></tr>
+</table>
+
diff --git a/billing/app/views/payments/new.html.erb b/billing/app/views/payments/new.html.erb
new file mode 100644
index 0000000..092c518
--- /dev/null
+++ b/billing/app/views/payments/new.html.erb
@@ -0,0 +1,38 @@
+<h1>Payment: $<%= h @amount %></h1>
+
+<% if @result -%>
+ <div style="color: red;"><%= h @result.errors.size %> error(s)</div>
+<% end -%>
+
+<%= form_for :transaction,
+ :params => @result && @result.params[:transaction],
+ :errors => @result && @result.errors.for(:transaction),
+ :builder => BraintreeHelper::BraintreeFormBuilder,
+ :url => Braintree::TransparentRedirect.url,
+ :html => {:autocomplete => "off"} do |f| -%>
+ <%= field_set_tag "Customer" do -%>
+ <%= f.fields_for :customer do |c| -%>
+ <div><%= c.label :first_name, "First Name" %></div>
+ <div><%= c.text_field :first_name %></div>
+ <div><%= c.label :last_name, "Last Name" %></div>
+ <div><%= c.text_field :last_name %></div>
+ <div><%= c.label :email, "Email" %></div>
+ <div><%= c.text_field :email %></div>
+ <% end -%>
+ <% end -%>
+ <%= field_set_tag "Credit Card" do -%>
+ <%= f.fields_for :credit_card do |c| -%>
+ <div><%= c.label :number, "Number" %></div>
+ <div><%= c.text_field :number %></div>
+ <div><%= c.label :expiration_date, "Expiration Date (MM/YY)" %></div>
+ <div><%= c.text_field :expiration_date %></div>
+ <div><%= c.label :cvv, "CVV" %></div>
+ <div><%= c.text_field :cvv %></div>
+ <% end -%>
+ <% end -%>
+ <%= hidden_field_tag :tr_data, Braintree::TransparentRedirect.transaction_data(
+ :redirect_url => confirm_payment_url,
+ :transaction => {:type => "sale", :amount => @amount}
+ ) %>
+ <%= f.submit "Submit" %>
+<% end -%>