class PaycorpRails

Paycorp internet payment gateway

Constants

VERSION

Public Class Methods

new(options) click to toggle source

Get the credentials and store them in the memory

# File lib/paycorp_rails.rb, line 6
def initialize(options)
    @options = options
end

Public Instance Methods

complete_payment(payment_options) click to toggle source

Send the payment confirmation to Paycorp to complete the transaction

# File lib/paycorp_rails.rb, line 19
def complete_payment(payment_options)
    json = (create_complete_params(payment_options)).to_json
    hash = gen_hash(json, @options[:hmac])
    response = set_request_url(@options[:auth_token], hash, json)
    JSON.parse(response.read_body)
end

initiate_payment(payment_options) click to toggle source

Talk to Paycorp and initiate the payment

# File lib/paycorp_rails.rb, line 11
def initiate_payment(payment_options)
    json = (create_init_params(payment_options)).to_json
    hash = gen_hash(json, @options[:hmac])
    response = set_request_url(@options[:auth_token], hash, json)
    JSON.parse(response.read_body)
end

Private Instance Methods

create_complete_params(payment_options) click to toggle source

# File lib/paycorp_rails.rb, line 50
def create_complete_params(payment_options)
    {
        "version": '1.04',
        "msgId": "#{payment_options[:msg_id]}", # Make it unique and store in order db
        "operation": 'PAYMENT_COMPLETE',
        "requestDate": "#{Time.now.to_formatted_s(:db)}",
        "validateOnly": false,
        "requestData": {
            "reqid": payment_options[:reqid]
        }
    }
end

create_init_params(payment_options) click to toggle source

# File lib/paycorp_rails.rb, line 63
def create_init_params(payment_options)
    {
        "version": '1.04',
        "msgId": "#{payment_options[:msg_id]}", # Make it unique and store in order db
        "operation": 'PAYMENT_INIT',
        "requestDate": "#{Time.now.to_formatted_s(:db)}",
        "validateOnly": false,
        "requestData": {
            "clientId": @options[:client_id].to_i,
            "clientIdHash": '',
            "transactionType": 'PURCHASE',
            "transactionAmount": {
                "totalAmount": 0,
                "paymentAmount": payment_options[:amount].to_i,
                "serviceFeeAmount": 0,
                "currency": payment_options[:currency]
            },
            "redirect": {
                "returnUrl": payment_options[:return_url],
                "cancelUrl": '',
                "returnMethod": 'GET'
            },
            "clientRef": payment_options[:user_id],
            "comment": '',
            "tokenize": false,
            "tokenReference": '',
            "cssLocation1": payment_options[:css_url],
            "cssLocation2": '',
            "useReliability": true,
            "extraData": {
                "orderId": payment_options[:order_id] # optional info
            }
        }
    }
end

gen_hash(json, hmac) click to toggle source

Encrypt the data

# File lib/paycorp_rails.rb, line 46
def gen_hash(json, hmac)
    OpenSSL::HMAC.hexdigest('sha256', hmac, json)
end

set_request_url(auth_token, hash, json) click to toggle source

Talk to paycorp

# File lib/paycorp_rails.rb, line 29
def set_request_url(auth_token, hash, json)
    url = URI("#{@options[:endpoint]}")

    http = Net::HTTP.new(url.host, url.port)
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE

    request = Net::HTTP::Post.new(url)
    request['authtoken'] = "#{auth_token}"
    request['hmac'] = "#{hash}"
    request['content-type'] = 'application/json'
    request.body = "#{json}"

    http.request(request)
end