wikimedia/mediawiki-extensions-Echo
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Try and avoid race conditions with thank-you-edit notifications

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Wait until after the main transaction has been committed before checking
whether they have the right number of edits.

Bug: T128249
Change-Id: I38cc0f96e97fda3692340cc8906144a002594ef2
This commit is contained in:
Kunal Mehta 2016-03-03 21:48:01 -08:00
parent f808909c67
commit 8d99490108
1 changed files with 16 additions and 9 deletions
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9
Hooks.php
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@ -461,6 +461,14 @@ class EchoHooks {
// This edit hasn't been added to the edit count yet
$editCount = $user->getEditCount() + 1;
if ( in_array( $editCount, $thresholds ) ) {
$id = $user->getId();
DeferredUpdates::addCallableUpdate( function () use ( $id, $title, $editCount ) {
// Fresh User object
$user = User::newFromId( $id );
if ( $user->getEditCount() !== $editCount ) {
// Race condition with multiple simultaneous requests, skip
return;
}
LoggerFactory::getInstance( 'Echo' )->debug(
'Thanking {user} (id: {id}) for their {count} edit',
array(
@ -469,7 +477,6 @@ class EchoHooks {
'count' => $editCount,
)
);
DeferredUpdates::addCallableUpdate( function () use ( $user, $title, $editCount ) {
EchoEvent::create( array(
'type' => 'thank-you-edit',
'title' => $title,