Comgate payment modules

Source | Gateway documentation

Module for ČSOB CZ payment gateway

Instalation

npm i csobcz_payment_gateway

Configuration

Using environment variables

All keys are strings, for multiline env strings (certificates) check dotenv#rules.

|variable name | description| |--------------|------------| |GATEWAY_URL | payment gateway address| |MERCHANT_PRIVATE_KEY | merchant private key| |BANK_PUBLIC_KEY | bank public key | |CALLBACK_URL | url called by gateway after payment| |MERCHANT_ID | merchant id from gateway provider|

Alternatively using config:

const { CSOBPaymentModule } = require('csobcz_payment_gateway');

const gateway = new CSOBPaymentModule({
  logging: ...,
  gateUrl:   ...,
  privateKey: ...,
  bankPublicKey: ...,
  calbackUrl: ...,
  merchantId: ...,
  payloadTemplate: {}
})

Attribute logging should be boolean or function used for debug info. By setting payloadTemplate can by overwrited more init method payload (see gateway config):

{
  "merchantId": "...",
  "payOperation":"payment",
  "payMethod":"card",
  "currency":"CZK",
  "language":"CZ",
  "returnUrl": "...",
  "returnMethod":"POST"
}

Available methods

• status(string payId) - returns payment status
• init(json payload) - payment init
• reverse(string payId) - reverse payment with given payId
• close(string payId) - close payment with given payId
• refund(string payId, int amount) - refund payment with given payId, if amount specified given amount is refunded
• echo(string method) - echo test, method is either GET or POST (default)
• verifyResult(json payload) - if success returns payload else returns error, payload is json returned from gateway callback.

Extra methods

• payOrder(json order, boolean close, json options) - wrapper for init and getRedirectUrl, close params is closePayment value, options are merged into request payload order example

{
  "id": "order1",
  "description": "Moje order",
  "items": [{
      "name": "Nákup: vasobchod.cz",
      "quantity": 1,
      "amount": 200,
      "description": "Produkt 1"
  }]
}

allowed is 1-2 items.

• getRedirectUrl(string payId) - returns gateway url for redirection

Return values/format

All methods returns Promise when resolved is JSON payload specified in Gateway documentation only Extra methods returns custom payload. Reject is JS Error.

• payOrder, getRedirectUrl - returned JSON

{
  "url": "https://api.platebnibrana.csob.cz/api/v1.7/payment/process/MERCHANDID/PAYID/20180504105513/KZr8D0z%2FVYFlX2fy0bs2NTafv...."
}

Example usage

const gateway = require('csobcz_payment_gateway');

gateway.echo('GET').then(result => {
  logger.log(result);
}).catch(e => {
  logger.error(e);
});