example-subclass.php

<?php
/**
 * 2Checkout Payment Gateway Class
 *
 * @package     Leaky Paywall
 * @subpackage  Classes/Roles
 * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since       1.0.0
*/

class Leaky_Paywall_Payment_Gateway_2checkout extends Leaky_Paywall_Payment_Gateway {

	private $secret_key;
	protected $publishable_key;

	/**
	 * Get things going
	 *
	 * @since  3.5.1
	 */
	public function init() {

		$settings = get_leaky_paywall_settings();

		$this->supports[]	= 'one-time';
		$this->supports[]	= 'recurring';
		// $this->supports[]	= 'fees';

		$this->secret_word = isset( $settings['twocheckout_private_key'] ) ? trim( $settings['twocheckout_private_key'] ) : '';

		$this->test_mode	= 'off' === $settings['test_mode'] ? false : true;

		if( $this->test_mode ) {

			$this->secret_key      = isset( $settings['twocheckout_test_private'] )     ? trim( $settings['twocheckout_test_private'] )     : '';
			$this->publishable_key = isset( $settings['twocheckout_test_publishable'] ) ? trim( $settings['twocheckout_test_publishable'] ) : '';
			$this->seller_id       = isset( $settings['twocheckout_test_seller_id'] )   ? trim( $settings['twocheckout_test_seller_id'] )   : '';
			$this->environment     = 'sandbox';

		} else {

			$this->secret_key      = isset( $settings['twocheckout_live_private'] )     ? trim( $settings['twocheckout_live_private'] )     : '';
			$this->publishable_key = isset( $settings['twocheckout_live_publishable'] ) ? trim( $settings['twocheckout_live_publishable'] ) : '';
			$this->seller_id       = isset( $settings['twocheckout_live_seller_id'] )   ? trim( $settings['twocheckout_live_seller_id'] )   : '';
			$this->environment     = 'production';

		}
    
    // load any dependencies or libraries
		if( ! class_exists( 'Twocheckout' ) ) {
			require_once LP_2CK_PATH . 'include/2checkout-php/lib/Twocheckout.php';
		}
		
	}

	/**
	 * Process registration
	 *
	 * @since 1.0.0
	 */
	public function process_signup() {

		Twocheckout::privateKey( $this->secret_key );
		Twocheckout::sellerId( $this->seller_id );
		Twocheckout::sandbox( $this->test_mode );
		Twocheckout::verifySSL(false); // @todo: remove before production

		if( empty( $_POST['token'] ) ) {
			wp_die( __( 'Missing token, please try again or contact support if the issue persists.', 'issume-leaky-paywall' ), __( 'Error', 'issuem-leaky-paywall' ), array( 'response' => 400 ) );
		}

		$settings = get_leaky_paywall_settings();

		$paid   = false;
		$customer_exists = false;

		$mode = 'off' === $settings['test_mode'] ? 'live' : 'test';
		$level = get_level_by_level_id( $this->level_id );

		try {

			if ( is_multisite_premium() && !empty( $level['site'] ) && !is_main_site( $level['site'] ) ) {
				$site = '_' . $level['site'];
			} else {
				$site = '';
			}

	    $charge = Twocheckout_Charge::auth(array(
	        "merchantOrderId" => "123",
	        "token"      => $_POST['token'],
	        "currency"   => strtoupper( $this->currency ),
	        "total"      => $this->amount,
	        "billingAddr" => array(
	            "name" => sanitize_text_field( $_POST['card_name'] ),
	            "addrLine1" => sanitize_text_field( $_POST['card_address'] ),
	            "city" => sanitize_text_field( $_POST['card_city'] ),
	            "state" => sanitize_text_field( $_POST['card_state'] ),
	            "zipCode" => sanitize_text_field( $_POST['card_zip'] ),
	            "country" => sanitize_text_field( $_POST['card_country'] ),
	            "email" => $this->email,
	        )
	    ));

	    if ($charge['response']['responseCode'] == 'APPROVED') {
	        
	        $paid = true;

	    }
	} catch (Twocheckout_Error $e) {
		echo '<pre>';
		print_r( $e );
		echo '</pre>';
	}

	if ( $paid ) {

		// charge succeeded
		$customer_id = $charge['response']['orderNumber'];

		$meta_args = array(
			'level_id'			=> $this->level_id,
			'subscriber_id' 	=> $customer_id,
			'subscriber_email' 	=> $this->email,
			'price' 			=> $this->amount,
			'description' 		=> $this->level_name,
			'payment_gateway' 	=> '2checkout',
			'payment_status' 	=> 'active',
			'interval' 			=> $this->length_unit,
			'interval_count' 	=> $this->length,
			'site' 				=> !empty( $level['site'] ) ? $level['site'] : '',
			'plan' 				=> ''
		);

		if ( is_user_logged_in() || !empty( $existing_customer ) ) {
			$user_id = leaky_paywall_update_subscriber( NULL,  $this->email, $customer_id, $meta_args ); //if the email already exists, we want to update the subscriber, not create a new one
		} else {
			// create the new customer as a leaky paywall subscriber
			$user_id = leaky_paywall_new_subscriber( NULL,  $this->email, $customer_id, $meta_args );
		}


		if ( $user_id ) {

			do_action( 'leaky_paywall_2checkout_signup', $user_id );
			
			// log the user in
			wp_set_current_user( $user_id );
			wp_set_auth_cookie( $user_id, true );
			
			// redirect user after sign up
			if ( !empty( $settings['page_for_after_subscribe'] ) ) {
				wp_safe_redirect( get_page_link( $settings['page_for_after_subscribe'] ) );
			} else if ( !empty( $settings['page_for_profile'] ) ) {
				wp_safe_redirect( get_page_link( $settings['page_for_profile'] ) );
			} else if ( !empty( $settings['page_for_subscription'] ) ) {
				wp_safe_redirect( get_page_link( $settings['page_for_subscription'] ) );
			}

			exit;

		} else {

			wp_die( __( 'An error occurred, please contact the site administrator: ', 'leaky-paywall' ) . get_bloginfo( 'admin_email' ), __( 'Error', 'leaky-paywall' ), array( 'response' => '401' ) );

		}
		
	}
		
	


	}

	/**
	 * Process webhooks
	 *
	 * @since 1.0.0
	 */
	public function process_webhooks() {
		// Determine if this is a webhook
		if( ! isset( $_GET['listener'] ) || strtoupper( $_GET['listener'] ) != '2checkout' ) {
			return;
		}
		// Now retrieve the webhook data from the $_POST super global
		// add the functionality for processing webhooks
		
	}

	/**
	 * Add credit card fields
	 *
	 * @since 3.5.1
	 */
	public function fields() {

		$settings = get_leaky_paywall_settings();

		ob_start();
		?>
			<input name="token" type="hidden" value="" />

			<script type="text/javascript">

			  // Called when token created successfully.
			  var successCallback = function(data) {
			    var myForm = document.getElementById('leaky-paywall-payment-form');

			    // Set the token as the value for the token input
			    myForm.token.value = data.response.token.token;

			    // IMPORTANT: Here we call `submit()` on the form element directly instead of using jQuery to prevent and infinite token request loop.
			    myForm.submit();
			  };

			  // Called when token creation fails.
			  var errorCallback = function(data) {
			    if (data.errorCode === 200) {
			      // This error code indicates that the ajax call failed. We recommend that you retry the token request.
			    } else {
			      alert(data.errorMsg);
			    }
			  };

			  var tokenRequest = function() {
			    // Setup token request arguments
			    var args = {
			      sellerId: "<?php echo $settings['twocheckout_sellerid']; ?>",
			      publishableKey: "<?php echo $settings['twocheckout_publishable_key']; ?>",
			      ccNo: jQuery(".card-number").val(),
			      cvv: jQuery(".cvc").val(),
			      expMonth: jQuery(".ccard-expiry-month").val(),
			      expYear: jQuery(".card-expiry-year").val()
			    };

			    // Make the token request
			    TCO.requestToken(successCallback, errorCallback, args);
			  };

			  jQuery(function() {
			    // Pull in the public encryption key for our environment
			    TCO.loadPubKey('sandbox');

			    jQuery("#leaky-paywall-payment-form").submit(function(e) {
			      // Call our token request function
			      tokenRequest();

			      // Prevent form from submitting
			      return false;
			    });
			  });

			</script>

		<?php 
		leaky_paywall_card_form_full();
		return ob_get_clean();

	}

	/**
	 * Validate additional fields during registration submission
	 *
	 * @since 3.5.1
	 */
	public function validate_fields() {

	}


	/**
	 * Load Stripe JS
	 *
	 * @since  3.7.0
	 */
	public function scripts() {
		 wp_enqueue_script( '2checkout', 'https://www.2checkout.com/checkout/api/2co.min.js', array( 'jquery' ) );
	}

}