Azericard

gem 'azericard'
# gem 'azericard', github: 'NARKOZ/azericard'

Azericard.configure do |config|
  config.endpoint       = Settings.azericard.endpoint
  config.terminal       = Settings.azericard.terminal
  config.secret_key     = Settings.azericard.secret_key

  config.merchant_name  = Settings.azericard.merchant_name
  config.merchant_email = Settings.azericard.merchant_email
  config.merchant_url   = Settings.azericard.merchant_url
  config.country_code   = Settings.azericard.country_code
  config.gmt_offset     = Settings.azericard.gmt_offset
end

# Payment authorization
options = {
  amount: @order.amount,
  currency: @order.currency,
  order: @order.number,
  tr_type: 0,
  desc: @order.description,
  backref: azericard_callback_url
}
request_options = Azericard::Request.options_for_request(options)
p_sign = Azericard::Request.generate_mac(request_options.text_to_sign)

# Checkout transaction
options = {
  amount: @order.amount,
  currency: @order.currency,
  order: @order.number,
  tr_type: 21,
  rrn: @order.payment.rrn,
  intref: @order.payment.intref
}
request_options = Azericard::Request.options_for_request(options)

begin
  Azericard::Request.process request_options
rescue Azericard::Error => e
  e.message
end