Payment Response

take note

The reversal function for QR Payment is available for Duitnow and Alipay+ .

Java

Step 1 : Library

Merchant shall include PayMaster Merchant Plug-In (MPI) Java library – PayMaster.jar into merchant application.

Step 2 : Import

For reversal payment, merchant shall import below into merchant code:

• com.PayMaster.Entities.PayMasterEntity
• com.PayMaster.PropertiesReader.PropertiesReader
• com.PayMaster.MessageResponseBuilder.PaymentResponseMessageBuilder

Step 3 : Source Code

import com.PayMaster.Entities.PayMasterEntity;
import com.PayMaster.PropertiesReader.PropertiesReader;
import com.PayMaster.MessageResponseBuilder.PaymentResponseMessageBuilder;

.....

//Declare variable for Payment Master Properties - 1st Parameter = File Path , 2nd Parameter = File name
PropertiesReader propertiesReader = new PropertiesReader("./PayMasterProperties/","CardPayment.properties");

//Declare variable for Payment Master Entity
PayMasterEntity paymentResponseEntity = new PayMasterEntity();

//Get response message from PayMaster and set into Payment Master Entity
paymentResponseEntity.setter("ResponseMessage", responseMessage);

//Call Payment Master Payment Response Message Builder to set value
PaymentResponseMessageBuilder paymentResponseMessageBuilder = new PaymentResponseMessageBuilder();
paymentResponseMessageBuilder.buildCardPaymentResponseMessage(paymentResponseEntity, propertiesReader);

String MerchantID = paymentResponseEntity.getter("MerchantID");
String MerchRefNo = paymentResponseEntity.getter("MerchRefNo");
String TxnStatus = paymentResponseEntity.getter("TxnStatus");
String SHAlgorithmType = paymentResponseEntity.getter("SHAlgorithmType");
String SHValue = paymentResponseEntity.getter("SHValue");

.....

Step 4 : Indicate PayMaster Properties File location using PropertiesReader

Merchant must indicate where the PayMaster Properties File located using PropertiesReader.

Step 5 : Indicate PayMaster Properties File location using setter

Merchant must indicate where the PayMaster Properties File located using setter(“ResponseMessage”,”<response message returned by PayMaster Gateway>”).

Step 6 : Assign value into PayMaster Response Entity

Merchant call to Card Payment Response Message Builder to message the response message and assign the values into PayMaster Response Entity.

info

Refer to Reversal Payment Parameters for fields supported by PayMaster Merchant Plug-In (MPI).

Step 7 : Retrieve value from PayMaster Response Entity

Merchant can retrieve the values from PayMaster Response Entity.

• The getter function is used to retrieve value and the function only accepts one parameter – getter(parameter name).

note

Make sure that the value of TxnStatDetCde is not equal to 5015, as this represents an invalid secure hash value.

.Net

Step 1 : Library

Merchant shall include PayMaster Merchant Plug-In (MPI) .Net library – PayMaster.dll into merchant application.

Step 2 : Namespace

For reversal Payment, merchant shall use the namespace below in the merchant code:

• using com.PayMaster.Entities
• using com.PayMaster.Properties
• using com.PayMaster.MessageResponseBuilder

Step 3 : Source Code

using com.PayMaster.Entities;
using com.PayMaster.Properties;
using com.PayMaster.MessageResponseBuilder;

.....

//Declare variable for Payment Master Properties - 1st Parameter = File Path , 2nd Parameter = File name
PropertiesReader propertiesReader = new PropertiesReader("./PayMasterProperties/","CCPayment.properties");

//Declare variable for Payment Master Entity
PayMasterEntity ccPaymentResponseEntity = new PayMasterEntity();

//Get response message from PayMaster and set into Payment Master Entity
ccPaymentResponseEntity.setter("ResponseMessage", responseMessage);

//Call Payment Master Payment Response Message Builder to set value
PaymentResponseMessageBuilder cardPaymentResponseMessageBuilder = new PaymentResponseMessageBuilder();
cardPaymentResponseMessageBuilder.buildCardPaymentResponseMessage(ccPaymentResponseEntity, propertiesReader);

String MerchantID = ccPaymentResponseEntity.getter("MerchantID");
String MerchRefNo = ccPaymentResponseEntity.getter("MerchRefNo");
String TxnStatus = ccPaymentResponseEntity.getter("TxnStatus");
String SHAlgorithmType = ccPaymentResponseEntity.getter("SHAlgorithmType");
String SHValue = ccPaymentResponseEntity.getter("SHValue");

.....

Step 4 : Indicate Properties File location

The merchant must indicate where the PayMaster Properties File is located using the PropertiesReader.

Step 5 : Assign response message into Payment Response Entity

Merchant to assign response message received from PayMaster into PayMaster Response Entity using setter(“ResponseMessage”,”<response message returned by PayMaster Gateway>”).

Step 6 : Assign the values into PayMaster Response Entity

Merchant call to Card Payment Response Message Builder to message the response message and assign the values into PayMaster Response Entity.

info

Refer to Reversal Payment Parameters for fields supported by PayMaster Merchant Plug-In (MPI).

Step 7 : Retrieve values from PayMaster Response Entity

Merchant can retrieve the values from PayMaster Response Entity.

• The getter function is used to retrieve value and the function only accepts one parameter – getter(parameter name).

note

Make sure that the value of TxnStatDetCde is not equal to 5015, as this represents an invalid secure hash value.

PHP

Step 1 : Library

Merchant shall include PayMaster Merchant Plug-In (MPI) PHP library PayMaster.phar into merchant application.

Step 2 : Merchant Code

For reversal payment, merchant shall import below into merchant code:

• PropertiesReader to read the properties files.
• PayMasterEntity to assign all the acceptable values for PayMaster Reversal payment.
• PaymentResponseMessageBuilder to generate PayMaster Reversal payment response message.

Step 3 : Source Code

<?php
use com\PayMaster\Entities\PayMasterEntity;
use com\PayMaster\PropertiesReader\PropertiesReader;
use com\PayMaster\MessageResponseBuilder\PaymentResponseMessageBuilder;
use com\PayMaster\Import\ImportFile;

//Merchant to locate the absolute path of PayMaster.phar
$basePath = 'phar://<absolute path of PayMaster.phar>/' .
'/paymaster/PayMaster.phar/';
include_once = $basePath.'com/PayMaster/Import/ImportFile.php';
$import = new ImportFile();
$import->includeFile($basePath);
.....

//Declare variable for Payment Master Properties - 1st Parameter = File Path , 2nd Parameter = File name
$propertiesReader = new PropertiesReader();
$propertiesReader->PropertiesReader(<absolute path> .
"/paymaster","CCPayment.ini");

//Declare variable for Payment Master Entity
$paymentResponseEntity = new PayMasterEntity();

//Get all the parameter values from the user side and set into Payment Master Entity
$paymentResponseEntity->setter("ResponseMessage", $responseMessage);

//Call Payment Master Payment Response Message Builder to set value
$paymentResponseMessageBuilder = new PaymentResponseMessageBuilder();
$paymentResponseMessageBuilder-> buildCardPaymentResponseMessage
($paymentResponseEntity, $propertiesReader);

$MerchantID = $paymentResponseEntity->getter("MerchantID");
$MerchRefNo = $paymentResponseEntity->getter("MerchRefNo");
$TxnStatus = $paymentResponseEntity->getter("TxnStatus");
$SHAlgorithmType = $paymentResponseEntity->getter("SHAlgorithmType");
$SHValue = $paymentResponseEntity->getter("SHValue");

.....

Step 4 : Locate absolute path

Merchant to locate the absolute path of PayMaster.phar as the basePath in Merchant source code (line 7 in the example above).

Example : $basePath=’phar://<absolute path of PayMaster.phar>/’

Step 5 : Indicate PayMaster Properties File

The merchant must indicate where the PayMaster Properties File is located using the PropertiesReader.

Step 6 : Assign response message into Payment Response Entity

Merchant to assign response message received from PayMaster into PayMaster Response Entity using setter(“ResponseMessage”,<response message returned by PayMaster Gateway>”) function.

Step 7 : Assign values into PayMaster Response Entity

Merchant call to CC Payment Response Message Builder to massage the response message and assign the values into PayMaster Response Entity.

info

Refer to Reversal Payment Parameters for fields supported by PayMaster Merchant Plug-In (MPI).

Step 8 : Retrieve value from PayMaster Response Entity

Merchant can retrieve the values from PayMaster Response Entity.

• The getter function is used to retrieve value and the function only accepts one parameter getter(parameter name).
• The TxnStatus should be 00 and TxnStatDetCde should be 0000.

note

Make sure that the value of TxnStatDetCde is not equal to 5015, as this represents an invalid secure hash value.

Python

Step 1 : Packages

Merchant shall setup and include PayMaster Merchant Plug-In (MPI) Python packages into merchant application.

Step 2 : Import

For reversal payment, merchant shall include below into merchant code:

• PropertiesReader – to read the properties files.
• PayMasterEntity – to assign all the acceptable values for PayMaster Reversal payment.
• PaymentResponseMessageBuilder – to generate PayMaster Reversal payment response message.

Step 3 : Source Code

from com.PayMaster.Entities.PayMasterEntity import PayMasterEntity
from com.PayMaster.PropertiesReader.PropertiesReader import PropertiesReader
from com.PayMaster.MessageResponseBuilder.PaymentResponseMessageBuilder import PaymentResponseMessageBuilder

##Declare variable for Payment Master Properties - 1st Parameter = File Path , 2nd Parameter = File name
PropertiesReader propertiesReader = new PropertiesReader("CCPayment.properties","PayMasterProperties/")

##Declare variable for Payment Master Entity
ccPaymentResponseEntity = PayMasterEntity()

##Get response message from PayMaster and set into Payment Master Entity
ccPaymentResponseEntity.setter("ResponseMessage", responseMessage)

##Call Payment Master Payment Response Message Builder to set value
cardPaymentResponseMessageBuilder = PaymentResponseMessageBuilder()
cardPaymentResponseMessageBuilder.buildCardPaymentResponseMessage(ccPaymentResponseEntity, propertiesReader)

MerchantID = ccPaymentResponseEntity.getter("MerchantID")
MerchRefNo = ccPaymentResponseEntity.getter("MerchRefNo")
TxnStatus = ccPaymentResponseEntity.getter("TxnStatus")
SHAlgorithmType = ccPaymentResponseEntity.getter("SHAlgorithmType")
SHValue = ccPaymentResponseEntity.getter("SHValue")

Step 4 : Indicate PayMaster Properties File location

The merchant must indicate where the PayMaster Properties File is located using the PropertiesReader.

Step 5 : Assign response message into Payment Response Entity

Merchant to assign response message received from PayMaster into PayMaster Response Entity using setter(“ResponseMessage”,<response message returned by PayMaster Gateway>”) function.

Step 6 : Assign values into PayMaster Response Entity

Merchant call to Card Payment Response Message Builder to retrieve the response message and assign the values into PayMaster Response Entity.

info

Refer to Reversal Payment Parameters for fields supported by PayMaster Merchant Plug-In (MPI).

Step 7 : Retrieve values from PayMaster Response Entity

Merchant can retrieve the values from PayMaster Response Entity.

• The getter function is used to retrieve value and the function only accepts one parameter – getter(parameter name).

note

Make sure that the value of TxnStatDetCde is not equal to 5015, as this represents an invalid secure hash value.

Node.js

Step 1 : Library

Merchant shall setup and include PayMaster Merchant Plug-In (MPI) NodeJS library into merchant application.

Step 2 : Functions

• MERCH_CardPaymentResponse()
  • Function that shall run in merchant's response page for reversal payment.
  • This function will retrieve the response parameters returned from PayMaster Gateway, and return the result required by merchant.

Step 3 : Source Code

var paymaster = require('./js/PayMaster.min.js');

module.exports = function (app) {
    app.get('/UPPPayment', (req, res)=>{
        paymaster.PropertiesReader('./properties/','CCPayment.properties');
        payment.MERCH_CardPaymentResponse(req, paymaster.propDetails, function(err, response, result){
            if(err){
                throw err;
            }
            if(response){
                if(paymaster.getter('TxnStatDetCde') === "0000"){
                    var MerchantID = paymaster.getter('MerchantID');
                    var MerchRefNo = paymaster.getter('MerchRefNo');
                    var TxnStatus = paymaster.getter('TxnStatus');
                    var SHAlgorithmType = paymaster.getter('SHAlgorithmType');
                    var SHValue = paymaster.getter('SHValue');
                    //to do ...
                }
            }
        });
        .....
    });
}

Step 4 : Indicate PayMaster Properties File

The merchant must indicate where the PayMaster Properties File is located using the PropertiesReader.

Step 5 : Retrieve values from PayMaster Response Entity

Merchant can retrieve the values from PayMaster Response Entity.

• The getter function is used to retrieve value and the function only accepts one parameter – getter(parameter name).

info

Refer to Reversal Payment Parameters for fields supported by PayMaster Merchant Plug-In (MPI).

note

Make sure that the value of TxnStatDetCde is not equal to 5015, as this represents an invalid secure hash value.