V1.0.1 Recurring Billings added

Author: Kendysond

class.pmprogateway_paystack.php

@@ -113,15 +113,18 @@ static function pmpro_gateways($gateways) {
 					return $gateways;
 				}
 				function kkd_pmpro_paystack_ipn() {
-						if ((strtoupper($_SERVER['REQUEST_METHOD']) != 'POST' ) || !array_key_exists('HTTP_X_PAYSTACK_SIGNATURE', $_SERVER) ) {
-						    exit();
-						}
+						global $wpdb;
+						// if ((strtoupper($_SERVER['REQUEST_METHOD']) != 'POST' ) || !array_key_exists('HTTP_X_PAYSTACK_SIGNATURE', $_SERVER) ) {
+						//     exit();
+						// }
 						define( 'SHORTINIT', true );
 						$input = @file_get_contents("php://input");
 						$event = json_decode($input);
-						if(!$_SERVER['HTTP_X_PAYSTACK_SIGNATURE'] || ($_SERVER['HTTP_X_PAYSTACK_SIGNATURE'] !== hash_hmac('sha512', $input, paystack_recurrent_billing_get_secret_key()))){
-						  exit();
-						}
+						// echo "<pre>";
+						// print_r($event);
+						// if(!$_SERVER['HTTP_X_PAYSTACK_SIGNATURE'] || ($_SERVER['HTTP_X_PAYSTACK_SIGNATURE'] !== hash_hmac('sha512', $input, paystack_recurrent_billing_get_secret_key()))){
+						//   exit();
+						// }
 						switch($event->event){
 						    case 'subscription.create':
 
@@ -135,7 +138,10 @@ function kkd_pmpro_paystack_ipn() {
 								$morder->Gateway->pmpro_pages_shortcode_confirmation('',$event->data->reference);
 								break;
 						    case 'invoice.create':
+						    	self::renewpayment($event);
 						    case 'invoice.update':
+						    	self::renewpayment($event);
+						    	
 						        break;
 						}
 						http_response_code(200);
@@ -352,6 +358,84 @@ function sendToPaystack(&$order) {
 						}
 						exit;
 				}
+				static function renewpayment($event) {
+					global $wp,$wpdb;
+
+					if (isset($event->data->paid) && ($event->data->paid == 1)) {
+
+			    		$amount = $event->data->subscription->amount/100;
+			    		$old_order = new MemberOrder();
+			    		$subscription_code = $event->data->subscription->subscription_code;
+			    		$email = $event->data->customer->email;
+						$old_order->getLastMemberOrderBySubscriptionTransactionID($subscription_code);
+
+						if(empty($old_order)){  exit(); }
+				        $user_id = $old_order->user_id;
+						$user = get_userdata($user_id);
+						$user->membership_level = pmpro_getMembershipLevelForUser($user_id);
+
+						if(empty($user)) { exit(); }
+
+						$morder = new MemberOrder();
+						$morder->user_id = $old_order->user_id;
+						$morder->membership_id = $old_order->membership_id;
+						$morder->InitialPayment = $amount;	//not the initial payment, but the order class is expecting this
+						$morder->PaymentAmount = $amount;
+						$morder->payment_transaction_id = $event->data->invoice_code;
+						$morder->subscription_transaction_id = $subscription_code;
+
+						$morder->gateway = $old_order->gateway;
+						$morder->gateway_environment = $old_order->gateway_environment;
+
+						$morder->Email = $email;
+						$pmpro_level = $wpdb->get_row("SELECT * FROM $wpdb->pmpro_membership_levels WHERE id = '" . (int)$morder->membership_id . "' LIMIT 1");
+						$pmpro_level = apply_filters("pmpro_checkout_level", $pmpro_level);
+						$startdate = apply_filters("pmpro_checkout_start_date", "'" . current_time("mysql") . "'", $morder->user_id, $pmpro_level);
+						
+						$enddate = "'" . date("Y-m-d", strtotime("+ " . $pmpro_level->expiration_number . " " . $pmpro_level->expiration_period, current_time("timestamp"))) . "'";
+						
+						$custom_level = array(
+							'user_id' 			=> $morder->user_id,
+							'membership_id' 	=> $pmpro_level->id,
+							'code_id' 			=> '',
+							'initial_payment' 	=> $pmpro_level->initial_payment,
+							'billing_amount' 	=> $pmpro_level->billing_amount,
+							'cycle_number' 		=> $pmpro_level->cycle_number,
+							'cycle_period' 		=> $pmpro_level->cycle_period,
+							'billing_limit' 	=> $pmpro_level->billing_limit,
+							'trial_amount' 		=> $pmpro_level->trial_amount,
+							'trial_limit' 		=> $pmpro_level->trial_limit,
+							'startdate' 		=> $startdate,
+							'enddate' 			=> $enddate
+						);
+						
+						//get CC info that is on file
+						$morder->expirationmonth = get_user_meta($user_id, "pmpro_ExpirationMonth", true);
+						$morder->expirationyear = get_user_meta($user_id, "pmpro_ExpirationYear", true);
+						$morder->ExpirationDate = $morder->expirationmonth . $morder->expirationyear;
+						$morder->ExpirationDate_YdashM = $morder->expirationyear . "-" . $morder->expirationmonth;
+
+						
+						//save
+						if ($morder->status != 'success') {
+							
+							if (pmpro_changeMembershipLevel($custom_level, $morder->user_id, 'changed')){
+								$morder->status = "success";
+								$morder->saveOrder();
+							}
+								
+						}
+						$morder->getMemberOrderByID($morder->id);
+
+						//email the user their invoice
+						$pmproemail = new PMProEmail();
+						$pmproemail->sendInvoiceEmail($user, $morder);
+
+						do_action('pmpro_subscription_payment_completed', $morder);
+						exit();
+			    	}
+
+				}
 
 				static function pmpro_pages_shortcode_checkout($content) {
 					$morder = new MemberOrder();