Stripe Payment Gateway Integration With Rails

5/12/2018 Stripe Payment Gateway Integration With Rails - slidepdf.com

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Stripe Payment Gateway integration with Rails

Stripe is simple website payment solution and its very easy to easy setupIt 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 thehttps://manage.stripe.com/account manage account page to obtain stripe public & api keys.

Rails Integration

# Gemfilegem 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.titleEnter 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

https://manage.stripe.com/account





.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:stringrake db:migrate

Payment Model

# app/models/payment.rbclass 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 purchaseself.status = PROCESSING

customer = Stripe::Customer.create(description:email, card: stripe_card_token)# OPTIONAL: save customer token for further referencestripe_customer_token = customer.id

# Chargecharge = Stripe::Charge.create(:amount => amount * 100, # $15.00 this time:currency => "usd",:customer => stripe_customer_token

)

if charge.paidself.transaction_num = charge.id

self.status = SUCCESSelseself.status = FAILED

endreturn self

rescue Exception => eerrors.add :base, "There was a problem with your credit card."self.status = FAILEDreturn self

endend



Payments Controller

# app/controllers/payments_controller.rb

class PaymentsController < ApplicationController def create

@payment = Payment.new(params[:payment])

if @payment.valid? && @payment.purchaseflash[:notice] = 'Thanks for Purchase!'

elserender :action => :new

endend

end

Stripe Payment Gateway Integration With Rails

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