From 156534ce4dfcba4c08f35dff412225ff073f1cff Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Sat, 1 Aug 2020 13:56:22 +1200
Subject: [PATCH] [REF] Stop instantiating transaction in PaypalIPN

---
 CRM/Core/Payment/BaseIPN.php   | 12 ++++++++----
 CRM/Core/Payment/PayPalIPN.php | 11 +++++------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/CRM/Core/Payment/BaseIPN.php b/CRM/Core/Payment/BaseIPN.php
index 973fbd988894..a0fdcf41c63f 100644
--- a/CRM/Core/Payment/BaseIPN.php
+++ b/CRM/Core/Payment/BaseIPN.php
@@ -214,7 +214,7 @@ public function loadObjects($input, &$ids, &$objects, $required, $paymentProcess
    * @return bool
    * @throws \CiviCRM_API3_Exception
    */
-  public function failed(&$objects, &$transaction, $input = []) {
+  public function failed(&$objects, $transaction = NULL, $input = []) {
     $contribution = &$objects['contribution'];
     $memberships = [];
     if (!empty($objects['membership'])) {
@@ -266,7 +266,9 @@ public function failed(&$objects, &$transaction, $input = []) {
       }
     }
 
-    $transaction->commit();
+    if ($transaction) {
+      $transaction->commit();
+    }
     Civi::log()->debug("Setting contribution status to Failed");
     return TRUE;
   }
@@ -299,7 +301,7 @@ public function pending(&$objects, &$transaction) {
    * @return bool
    * @throws \CiviCRM_API3_Exception
    */
-  public function cancelled(&$objects, &$transaction, $input = []) {
+  public function cancelled(&$objects, $transaction = NULL, $input = []) {
     $contribution = &$objects['contribution'];
     $memberships = [];
     if (!empty($objects['membership'])) {
@@ -353,7 +355,9 @@ public function cancelled(&$objects, &$transaction, $input = []) {
         $this->cancelParticipant($participant->id);
       }
     }
-    $transaction->commit();
+    if ($transaction) {
+      $transaction->commit();
+    }
     Civi::log()->debug("Setting contribution status to Cancelled");
     return TRUE;
   }
diff --git a/CRM/Core/Payment/PayPalIPN.php b/CRM/Core/Payment/PayPalIPN.php
index 0e87056c8755..4f3801fb8d59 100644
--- a/CRM/Core/Payment/PayPalIPN.php
+++ b/CRM/Core/Payment/PayPalIPN.php
@@ -256,18 +256,18 @@ public function single(&$input, &$ids, &$objects, $recur = FALSE, $first = FALSE
       $contribution->total_amount = $input['amount'];
     }
 
-    $transaction = new CRM_Core_Transaction();
-
     $status = $input['paymentStatus'];
     if ($status == 'Denied' || $status == 'Failed' || $status == 'Voided') {
-      return $this->failed($objects, $transaction);
+      $this->failed($objects);
+      return;
     }
     if ($status === 'Pending') {
       Civi::log()->debug('Returning since contribution status is Pending');
       return;
     }
     elseif ($status == 'Refunded' || $status == 'Reversed') {
-      return $this->cancelled($objects, $transaction);
+      $this->cancelled($objects);
+      return;
     }
     elseif ($status !== 'Completed') {
       Civi::log()->debug('Returning since contribution status is not handled');
@@ -277,13 +277,12 @@ public function single(&$input, &$ids, &$objects, $recur = FALSE, $first = FALSE
     // check if contribution is already completed, if so we ignore this ipn
     $completedStatusId = CRM_Core_PseudoConstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Completed');
     if ($contribution->contribution_status_id == $completedStatusId) {
-      $transaction->commit();
       Civi::log()->debug('PayPalIPN: Returning since contribution has already been handled. (ID: ' . $contribution->id . ').');
       echo 'Success: Contribution has already been handled<p>';
       return;
     }
 
-    $this->completeTransaction($input, $ids, $objects, $transaction, $recur);
+    $this->completeTransaction($input, $ids, $objects);
   }
 
   /**