Class: Payfast::OnsitePayments

Inherits:
Object
  • Object
show all
Defined in:
lib/payfast/onsite_payments.rb

Overview

Encaspulates the utils for makeing payfast payments using their onsite feature

Class Method Summary collapse

Class Method Details

.create_hash(data, algorithm) ⇒ Object 



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# File 'lib/payfast/onsite_payments.rb', line 55

def self.create_hash(data, algorithm)
  digest = Digest.const_get(algorithm.upcase).new
  digest.update(data)
  digest.hexdigest
end

.data_to_string(payload) ⇒ Object 



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# File 'lib/payfast/onsite_payments.rb', line 51

def self.data_to_string(payload)
  URI.encode_www_form(payload)
end

.generate_signature(payload) ⇒ Object 



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# File 'lib/payfast/onsite_payments.rb', line 7

def self.generate_signature(payload)
  passphrase = Rails.application.config_for(:payfast).passphrase

  payload[:passphrase] = passphrase if passphrase

  url_encoded = data_to_string(payload)
  create_hash(url_encoded, 'md5')
end

.requestPayment(payload) ⇒ Object 



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# File 'lib/payfast/onsite_payments.rb', line 16

def self.requestPayment(payload)
  payload_with_config = {
    merchant_id: Rails.application.config_for(:payfast).merchant_id,
    merchant_key: Rails.application.config_for(:payfast).merchant_key,
    return_url: Rails.application.config_for(:payfast).return_url,
    cancel_url: Rails.application.config_for(:payfast).cancel_url,
    notify_url: Rails.application.config_for(:payfast).notify_url
  }.merge(payload)

  puts payload_with_config

  signature = generate_signature(payload_with_config)
  payload_with_config[:signature] = signature

  pf_param_string = data_to_string(payload_with_config)
  base_url = Rails.application.config_for(:payfast).base_url

  puts pf_param_string

  uri = URI.parse(base_url)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true if uri.scheme == 'https'

  request = Net::HTTP::Post.new(uri.path)
  request.body = pf_param_string

  begin
    response = http.request(request)
    JSON.parse(response.body)
  rescue StandardError => e
    puts "Error: #{e.message}"
    false
  end
end