Add event TransactionCommitting (#44608)

Author: rez1dent3

src/Illuminate/Database/Concerns/ManagesTransactions.php

@@ -43,6 +43,7 @@ public function transaction(Closure $callback, $attempts = 1)
 
             try {
                 if ($this->transactions == 1) {
+                    $this->fireConnectionEvent('committing');
                     $this->getPdo()->commit();
                 }
 
@@ -188,7 +189,8 @@ protected function handleBeginTransactionException(Throwable $e)
      */
     public function commit()
     {
-        if ($this->transactions == 1) {
+        if ($this->transactionLevel() == 1) {
+            $this->fireConnectionEvent('committing');
             $this->getPdo()->commit();
         }
 

src/Illuminate/Database/Connection.php

@@ -13,6 +13,7 @@
 use Illuminate\Database\Events\StatementPrepared;
 use Illuminate\Database\Events\TransactionBeginning;
 use Illuminate\Database\Events\TransactionCommitted;
+use Illuminate\Database\Events\TransactionCommitting;
 use Illuminate\Database\Events\TransactionRolledBack;
 use Illuminate\Database\Query\Builder as QueryBuilder;
 use Illuminate\Database\Query\Expression;
@@ -978,6 +979,7 @@ protected function fireConnectionEvent($event)
         return $this->events?->dispatch(match ($event) {
             'beganTransaction' => new TransactionBeginning($this),
             'committed' => new TransactionCommitted($this),
+            'committing' => new TransactionCommitting($this),
             'rollingBack' => new TransactionRolledBack($this),
             default => null,
         });

src/Illuminate/Database/Events/TransactionCommitting.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class TransactionCommitting extends ConnectionEvent
+{
+    //
+}

tests/Database/DatabaseConnectionTest.php

@@ -10,6 +10,7 @@
 use Illuminate\Database\Events\QueryExecuted;
 use Illuminate\Database\Events\TransactionBeginning;
 use Illuminate\Database\Events\TransactionCommitted;
+use Illuminate\Database\Events\TransactionCommitting;
 use Illuminate\Database\Events\TransactionRolledBack;
 use Illuminate\Database\MultipleColumnsSelectedException;
 use Illuminate\Database\Query\Builder as BaseBuilder;
@@ -247,6 +248,18 @@ public function testCommittedFiresEventsIfSet()
         $connection->commit();
     }
 
+    public function testCommittingFiresEventsIfSet()
+    {
+        $pdo = $this->createMock(DatabaseConnectionTestMockPDO::class);
+        $connection = $this->getMockConnection(['getName', 'transactionLevel'], $pdo);
+        $connection->expects($this->any())->method('getName')->willReturn('name');
+        $connection->expects($this->any())->method('transactionLevel')->willReturn(1);
+        $connection->setEventDispatcher($events = m::mock(Dispatcher::class));
+        $events->shouldReceive('dispatch')->once()->with(m::type(TransactionCommitting::class));
+        $events->shouldReceive('dispatch')->once()->with(m::type(TransactionCommitted::class));
+        $connection->commit();
+    }
+
     public function testRollBackedFiresEventsIfSet()
     {
         $pdo = $this->createMock(DatabaseConnectionTestMockPDO::class);