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Current File : /var/www/html/admission/ebbuze/easebuzz-lib/easebuzz_payment_gateway.php

<?php
    /*
    * Easebuzz class manage all functionalities of easebuzz Payment Gateway
    */

    class Easebuzz{

        private $MERCHANT_KEY = "";
        private $SALT = "";
        private $ENV = "";

        /*
        * initialised private variable for setup easebuzz payment gateway.
        *
        * @param  string $key - holds the merchant key.
        * @param  string $salt - holds the merchant salt key.
        * @param  string $env - holds the env(enviroment). 
        *
        */

        function __construct($key, $salt, $env){
            $this->MERCHANT_KEY = $key;
            $this->SALT = $salt;
            $this->ENV = $env;
        }


        /*
        * initiatePaymentAPI function to integrate easebuzz for payment.
        *
        * http method used - POST
        *
        * param string $txnid - holds the transaction id (which is auto generate using hash)
        * param array $params - holds the $_POST data which is pass from the html form.
        *
        * ##Return values
        *
        * - return array ApiResponse['status']== 1 means successful.
        * 
        * - return array ApiResponse['status']== 0 means error.
        *
        * @param array $params - holds the $_POST data which is pass from the html form.
        *
        * @return array ApiResponse['status']== 1 successful.
        * @return array ApiResponse['status']== 0 error.
        *
        * ##Helper methods for initiate payment(payment.php)
        *
        * - initiate_payment(arg1, arg2, arg3, arg4) :- call all method initiate payment and dispaly payment page.
        * 
        * - _payment(arg1, arg2, arg3, arg4) :- use for initiate payment.
        *
        * - _paymentResponse(arg1) :- use for show api response (like error, payment page etc.).
        *
        * - _checkArgumentValidation(arg1, arg2, arg3, arg4) :- check no. of argument validation.
        *
        * - _removeSpaceAndPreparePostArray(arg1) :- remove space, anonymous tag from the $_POST and prepare array.
        *
        * - _typeValidation(arg1, arg2, arg3) :- check type validation (like amount shoud be float etc).
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation for Mandatory Parameters.
        *
        * - _email_validation(arg1) :- check email format validation.
        *
        * - _getURL(arg1) :- get URL based on set enviroment.
        *
        * - _pay(arg1, arg2, arg3) :- initiate payment.
        *
        * ## below method call from _pay() method.
        *
        * -- _getHashKey(arg1, arg2) :- generate hash key based on hash sequence.
        *
        * -- _curlCall(arg1, arg2) :- initiate pay link.
        *
        * ## below method call from _curlCall() method.
        *
        * Note :- Before call below method, install cURL. if cURL is already installed the go ahead.
        *
        * --- curl_init() :- Initializes a new session and return a cURL.
        *
        * --- curl_setopt_array(arg1, arg2) :- Set multiple options for a cURL transfer.
        *
        * --- curl_exec(arg1) :- Perform a cURL session.
        *
        * --- curl_errno(arg1) :- check there is any error or not in curl execution.
        *
        */
        public function initiatePaymentAPI($params, $redirect=True){
            // include file
            include_once('payment.php');

            // generate transaction ID and push into $params array
            // $txnid = substr(hash('sha256', mt_rand() . microtime()), 0, 20);
            // $params['txnid'] = $txnid;
            return initiate_payment($params, $redirect, $this->MERCHANT_KEY, $this->SALT, $this->ENV);
        }

        /*
        * transactionAPI function to query for single transaction
        *
        * http method used - POST
        *
        * param array $params - holds the $_POST data which is pass from the html form.
        *
        * ##Return values
        *
        * - return array ApiResponse['status']== 1 means successful.
        * 
        * - return array ApiResponse['status']== 0 means error.
        *
        * @param array $params - holds the $_POST data which is pass from the html form.
        *
        * @return array ApiResponse['status']== 1 successful.
        * @return array ApiResponse['status']== 0 error.
        *
        * ##Helper methods for initiate transaction(transaction.php)
        *
        * - get_transaction_details(arg1, arg2, arg3, arg4) :- call all method initiate transaction.
        *
        * - _transaction(arg1, arg2, arg3, arg4) :- use for initiate transaction.
        *
        * - _transactionResponse(arg1, arg2) :- use for verify api response is acceptable or not.
        *
        * - _checkArgumentValidation(arg1, arg2, arg3, arg4) :- check no. of argument validation.
        *
        * - _removeSpaceAndPreparePostArray(arg1) :- remove space, anonymous tag from the $_POST and prepare array.
        *
        * - _typeValidation(arg1, arg2, arg3) :- check type validation (like amount shoud be float etc).
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation for Mandatory Parameters.
        *
        * - _email_validation(arg1) :- check email format validation.
        *
        * - _getURL(arg1) :- get URL based on set enviroment.
        * 
        * - _getTransaction(arg1, arg2, arg3) :- initiate transaction.
        *
        * ## below method call from _getTransaction() method.
        *
        * -- _getHashKey(arg1, arg2) :- generate hash key based on hash sequence.
        *
        * -- _curlCall(arg1, arg2) :- initiate pay link.
        *
        * ## below method call from _curlCall() method.
        *
        * Note :- Before call below method, install cURL. if cURL is already installed the go ahead.
        *
        * --- curl_init() :- Initializes a new session and return a cURL.
        *
        * --- curl_setopt_array(arg1, arg2) :- Set multiple options for a cURL transfer.
        *
        * --- curl_exec(arg1) :- Perform a cURL session.
        *
        * --- curl_errno(arg1) :- check there is any error or not in curl execution.
        *
        * ## below method call from _transactionResponse() method.
        *
        * -- _getReverseHashKey(arg1, arg2) :- generate reverse hash key for response verification.
        *
        */
        public function transactionAPI($params){
            // include file
            include_once('transaction.php');
            $result = get_transaction_details($params, $this->MERCHANT_KEY, $this->SALT, $this->ENV);
            return json_encode($result);
        }


        /*
        * transactionDateAPI function to transaction based on date.
        *
        * http method used - POST
        *
        * param array $params - holds the $_POST data which is pass from the html form.
        *
        * ##Return values
        *
        * - return array ApiResponse['status']== 1 means successful.
        * 
        * - return array ApiResponse['status']== 0 means error.
        *
        * @param array $params - holds the $_POST data which is pass from the html form.
        *
        * @return array ApiResponse['status']== 1 successful.
        * @return array ApiResponse['status']== 0 error.
        *
        * ##Helper methods for initiate date transaction(transaction_date.php)
        *
        * - get_transactions_by_date(arg1, arg2, arg3, arg4) :- call all method initiate date transaction.
        *
        * - _date_transaction(arg1, arg2, arg3, arg4) :- use for initiate date transaction.
        *
        * - _checkArgumentValidation(arg1, arg2, arg3, arg4) :- check no. of argument validation.
        *
        * - _removeSpaceAndPreparePostArray(arg1) :- remove space, anonymous tag from the $_POST and prepare array.
        *
        * - _typeValidation(arg1, arg2, arg3) :- check type validation (like amount shoud be float etc).
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation for Mandatory Parameters.
        *
        * - _email_validation(arg1) :- check email format validation.
        *
        * - _getURL(arg1) :- get URL based on set enviroment.
        * 
        * - _getDateTransaction(arg1, arg2, arg3) :- initiate date transaction.
        *
        * ## below method call from _getDateTransaction() method.
        *
        * -- _getHashKey(arg1, arg2) :- generate hash key based on hash sequence.
        *
        * -- _curlCall(arg1, arg2) :- initiate pay link.
        *
        * ## below method call from _curlCall() method.
        *
        * Note :- Before call below method, install cURL. if cURL is already installed the go ahead.
        *
        * --- curl_init() :- Initializes a new session and return a cURL.
        *
        * --- curl_setopt_array(arg1, arg2) :- Set multiple options for a cURL transfer.
        *
        * --- curl_exec(arg1) :- Perform a cURL session.
        *
        * --- curl_errno(arg1) :- check there is any error or not in curl execution.
        *
        */
        public function transactionDateAPI($params){
            // include file
            include_once('transaction_date.php');
            $result = get_transactions_by_date($params, $this->MERCHANT_KEY, $this->SALT, $this->ENV);
            return json_encode($result);
        }


        /*
        * refundAPI function to refund for the transaction
        *
        * http method used - POST
        *
        * param array $params - holds the $_POST data which is pass from the html form.
        *
        * ##Return values
        *
        * - return array ApiResponse['status']== 1 means successful.
        * 
        * - return array ApiResponse['status']== 0 means error.
        *
        * @param array $params - holds the $_POST data which is pass from the html form.
        *
        * @return array ApiResponse['status']== 1 successful.
        * @return array ApiResponse['status']== 0 error.
        *
        * ##Helper methods for initiate refund (refund.php)
        *
        * - initiate_refund(arg1, arg2, arg3, arg4) :- call all method initiate refund.
        *
        * - _refund(arg1, arg2, arg3, arg4) :- use for initiate refund.
        *
        * - _checkArgumentValidation(arg1, arg2, arg3, arg4) :- check no. of argument validation.
        *
        * - _removeSpaceAndPreparePostArray(arg1) :- remove space, anonymous tag from the $_POST and prepare array.
        *
        * - _typeValidation(arg1, arg2, arg3) :- check type validation (like amount shoud be float etc).
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation for Mandatory Parameters.
        *
        * - _email_validation(arg1) :- check email format validation.
        *
        * - _getURL(arg1) :- get URL based on set enviroment.
        * 
        * - _refundPayment(arg1, arg2, arg3) :- initiate refund.
        *
        * ## below method call from _refundPayment() method.
        *
        * -- _getHashKey(arg1, arg2) :- generate hash key based on hash sequence.
        *
        * -- _curlCall(arg1, arg2) :- initiate pay link.
        *
        * ## below method call from _curlCall() method.
        *
        * Note :- Before call below method, install cURL. if cURL is already installed the go ahead.
        *
        * --- curl_init() :- Initializes a new session and return a cURL.
        *
        * --- curl_setopt_array(arg1, arg2) :- Set multiple options for a cURL transfer.
        *
        * --- curl_exec(arg1) :- Perform a cURL session.
        *
        * --- curl_errno(arg1) :- check there is any error or not in curl execution.
        *
        */
        public function refundAPI($params){
            // include file
            include_once('refund.php');
            $result =  initiate_refund($params, $this->MERCHANT_KEY, $this->SALT, $this->ENV);
            return json_encode($result);
        }


        /*
        * payoutAPI function to payout for particular date.
        *
        * http method used - POST
        *
        * param array $params - holds the $_POST data which is pass from the html form.
        *
        * ##Return values
        *
        * - return array ApiResponse['status']== 1 means successful.
        * 
        * - return array ApiResponse['status']== 0 means error.
        *
        * @param array $params - holds the $_POST data which is pass from the html form.
        *
        * @return array ApiResponse['status']== 1 successful.
        * @return array ApiResponse['status']== 0 error.
        *
        * ##Helper methods for initiate payout (payout.php)
        *
        * - get_payout_details_by_date(arg1, arg2, arg3, arg4) :- call all method initiate payout.
        *
        * - _payout(arg1, arg2, arg3, arg4) :- use for initiate payout.
        *
        * - _checkArgumentValidation(arg1, arg2, arg3, arg4) :- check no. of argument validation.
        *
        * - _removeSpaceAndPreparePostArray(arg1) :- remove space, anonymous tag from the $_POST and prepare array.
        *
        * - _typeValidation(arg1, arg2, arg3) :- check type validation (like amount shoud be float etc).
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation for Mandatory Parameters.
        *
        * - _email_validation(arg1) :- check email format validation.
        *
        * - _getURL(arg1) :- get URL based on set enviroment.
        * 
        * - _payoutPayment(arg1, arg2, arg3) :- initiate payout payment.
        *
        * ## below method call from _payoutPayment() method.
        *
        * -- _getHashKey(arg1, arg2) :- generate hash key based on hash sequence.
        *
        * -- _curlCall(arg1, arg2) :- initiate pay link.
        *
        * ## below method call from _curlCall() method.
        *
        * Note :- Before call below method, install cURL. if cURL is already installed the go ahead.
        *
        * --- curl_init() :- Initializes a new session and return a cURL.
        *
        * --- curl_setopt_array(arg1, arg2) :- Set multiple options for a cURL transfer.
        *
        * --- curl_exec(arg1) :- Perform a cURL session.
        *
        * --- curl_errno(arg1) :- check there is any error or not in curl execution.
        *
        */
        public function payoutAPI($params){
            // include file
            include_once('payout.php');
            $result =  get_payout_details_by_date($params, $this->MERCHANT_KEY, $this->SALT, $this->ENV);
            return json_encode($result);
        }


        /*
        * easebuzzResponse mehod to verify easebuzz API response is acceptable or not.
        *
        * http method used - POST
        *
        * - params array $params - holds the API response array.
        * 
        * ##Return values
        *
        * - return array $result- holds the API response array after verification of response. 
        *
        * @params array $params - holds the API response array.
        *
        * @return array $result- holds the API response array after verification of response.
        * 
        * ##Helper methods for display API response(payment.php) 
        *
        * - response(arg1, arg2) :- verify API response and retrun response array.
        *
        * - _removeSpaceAndPrepareAPIResponseArray(arg1) :- remove space, anonymous tag from the API response
        *                                                   array and prepare API response array. 
        *
        * - _emptyValidation(arg1, arg2) :- check empty validation in API response array.
        *
        * - _getResponse(arg1, arg2) :- check response is correct or not.
        *
        * ## below method call from _getResponse() method.
        * 
        * -- _getReverseHashKey(arg1, arg2) :- generate reverse hash key for validation.
        *
        */
        public function easebuzzResponse($params){
            // include file
            include_once('payment.php');

            $result = response($params, $this->SALT);

            return json_encode($result);
        }

    } 
?>