YandexKassaForm

Installation

Add this line to your application's Gemfile:

gem 'yk_form', github: 'davydes/yk_form'

And then execute:

$ bundle

Usage

require 'yandex_kassa_form'

# Initialize module
YandexKassaForm.configure do |cfg|
  cfg.shop_id = 13
  cfg.shop_password = 's<kY23653f,{9fcnshwq'

  # This block called when check order received
  # You should return array with 1 or 2 values
  # First value must be boolean: true - success, false - fail
  # If first is false, second should be contain message
  # Message will be ignored when first value is true
  cfg.check_order = lambda do |params|
    puts 'Here is real check data in Order'
    params.each { |k,v| puts "#{k} = #{v}" }
    check_result = false
    [check_result, 'Ooopps']
  end

  # This block called when payment aviso received
  # In the block you should save data about payment to you DB, for example
  cfg.save_payment = lambda do |params|
    puts 'Do somthing to store data about this payment'
    params.each { |k,v| puts "#{k} = #{v}" }
  end
end

rq = File.new('/home/developer3/my/yk_form/spec/support/files/check_order.txt').read
puts "Received request: \n=== BEGIN\n#{rq}\n=== END"
rp = YandexKassaForm.handler rq
puts "Send response: \n#{rp}"

rq = File.new('/home/developer3/my/yk_form/spec/support/files/payment_aviso.txt').read
puts "Received request: \n=== BEGIN\n#{rq}\n=== END"
rp = YandexKassaForm.handler rq
puts "Send response: \n#{rp}"

Rails example

config/initializers/yandex.rb

require 'yandex_kassa_form'
require 'yandex'

YandexKassaForm.configure do |cfg|
  cfg.shop_id = ENV['YK_SHOPID']
  cfg.shop_password = ENV['YK_PASSWORD']
  cfg.check_order = -> (params) { Yandex.instance.check_order(params) }
  cfg.save_payment = -> (params) { Yandex.instance.save_payment(params) }
end

app/controllers/yandex/rb

class YandexController < ActionController::Base
  def handle
    render body: YandexKassaForm.handler(request.raw_post),
           content_type: 'application/xml'
  end
end

config/routes.rb

Rails.application.routes.draw do

  post 'yandexkassa' => 'yandex#handle'

end

lib/yandex.rb

The file containts main logic about how you handle yours data.

require 'singleton'

class Yandex
  include Singleton

  def logger
    return @logger if @logger
    @logger = Logger.new(Rails.root.join('log','yandex.log'))
    @logger.level = 0
    @logger
  end

  def check_order(params)
    logger.info("check_order: #{params.inspect}")
    order = Order.find_by_id(params[:orderNumber])

    unless order
      result = [false, 'Order not found!']
    end

    if result.nil?
      sum_equals = order.cost == BigDecimal(params[:orderSumAmount])
      result = [sum_equals, 'Sum does not match!']
    end

    logger.info("returned #{result.inspect}")
    result
  rescue => e
    logger.error(e.message)
    logger.error(e.backtrace.join("\n"))
    raise e
  end

  def save_payment(params)
    logger.info("save_payment: #{params.inspect}")
    order = Order.find_by_id!(params[:orderNumber])
    order.paid!
    logger.info("Order #{order.id} marked as paid.")
  rescue => e
    logger.error(e.message)
    logger.error(e.backtrace.join("\n"))
    raise e
  end
end

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/davydes/yk_form. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

davydes / yk_form