Stripe is simple website payment solution and its very easy to easy setup
It currently supports only in US and seems to be very popular compared to other payment gateways because of its api & pricing
Stripe API provides -
1. charge (regular payments)
2. subscription (recurring payments)
3. managing customers (via stripe_customer_token)
What you need to do ?
Create a stripe account by providing email address and password. There after go to the manage account page to obtain stripe public & api keys.
Rails Integration
# Gemfile
gem stripe
# config/initializers/stripe.rb
Stripe.api_key = "rGaNWsIG3Gy6zvXB8wv4rEcizJp6XjF5"
STRIPE_PUBLIC_KEY = "vk_BcSyS2qPWdT5SdrwkQg0vTSyhZgqN"
# app/views/layouts/application.html.haml
= javascript_include_tag 'https://js.stripe.com/v1/'
= tag :meta, :name => 'stripe-key', :content => STRIPE_PUBLIC_KEY
Payment Form
# app/views/payments/new.html.haml
#stripe_error
%noscript JavaScript is not enabled and is required for this form. First enable it in your web browser settings.
= form_for @payment ||= Payment.new, :html => {:id => :payForm} do |p|
= p.hidden_field :stripe_card_token
.field
= p.text_field :amount
.credit_card_form
%h3.title
Enter Credit Card
- if @payment.stripe_card_token.present?
Credit card has been provided.
- else
.field
= label_tag :card_number, "Credit Card Number"
= text_field_tag :card_number, nil, name: nil
.field
= label_tag :card_code, "Security Code (CVV)"
= text_field_tag :card_code, nil, name: nil
.field
= label_tag :card_month, "Expiry Date"
= select_month nil, {add_month_numbers: true}, {name: nil, id: "card_month"}
= select_year nil, {start_year: Date.today.year, end_year: Date.today.year+15}, {name: nil, id: "card_year"}
Javascript Code
# app/views/payments/new.js
var payment;
jQuery(function() {
Stripe.setPublishableKey($('meta[name="stripe-key"]').attr('content'));
return payment.setupForm();
});
payment = {
setupForm: function() {
$('.head').click(function() {
$(this).css('disabled', true);
if($('#payment_stripe_card_token').val()){
$('#payForm').submit();
}
else{
payment.processCard();
}
});
},
processCard: function() {
var card;
card = {
number: $('#card_number').val(),
cvc: $('#card_code').val(),
expMonth: $('#card_month').val(),
expYear: $('#card_year').val()
};
return Stripe.createToken(card, payment.handleStripeResponse);
},
handleStripeResponse: function(status, response) {
if (status === 200) {
$('#payment_stripe_card_token').val(response.id)
$('#stripe_error').remove();
$('#payForm').submit();
} else {
$('#stripe_error').addClass('error').text(response.error.message);
$('.head').css('disabled', false);
}
}
};
Generate & Migrate Payment Model
rails g model payment status:string amount:float email:string transaction_number:string
rake db:migrate
Payment Model
# app/models/payment.rb
class Payment < ActiveRecord::Base
PROCESSING, FAILED, SUCCESS = 1, 2, 3
attr_accessible :stripe_card_token
validates :amount, :stripe_card_token, :presence => true, :numericality => { :greater_than => 0 }
def purchase
self.status = PROCESSING
customer = Stripe::Customer.create(description:email, card: stripe_card_token)
# OPTIONAL: save customer token for further reference
stripe_customer_token = customer.id
# Charge
charge = Stripe::Charge.create(
:amount => amount * 100, # $15.00 this time
:currency => "usd",
:customer => stripe_customer_token
)
if charge.paid
self.transaction_num = charge.id
self.status = SUCCESS
else
self.status = FAILED
end
return self
rescue Exception => e
errors.add :base, "There was a problem with your credit card."
self.status = FAILED
return self
end
end
Payments Controller
# app/controllers/payments_controller.rb
class PaymentsController < ApplicationController
def create
@payment = Payment.new(params[:payment])
if @payment.valid? && @payment.purchase
flash[:notice] = 'Thanks for Purchase!'
redirect_to root_url
else
render :action => :new
end
end
end
