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cache display names in local memory before external memcache

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Signed-off-by: Robin Appelman <robin@icewind.nl>
This commit is contained in:
Robin Appelman 2022-04-22 12:50:42 +02:00
parent 9a76f06eca
commit 674c0bec2c
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1 changed files with 14 additions and 6 deletions

20
lib/private/User/DisplayNameCache.php
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@ -38,17 +38,22 @@ use OCP\User\Events\UserChangedEvent;
* outdated.
*/
class DisplayNameCache implements IEventListener {
private ICache $internalCache;
private array $cache = [];
private ICache $memCache;
private IUserManager $userManager;
public function __construct(ICacheFactory $cacheFactory, IUserManager $userManager) {
$this->internalCache = $cacheFactory->createDistributed('displayNameMappingCache');
$this->memCache = $cacheFactory->createDistributed('displayNameMappingCache');
$this->userManager = $userManager;
}
public function getDisplayName(string $userId) {
$displayName = $this->internalCache->get($userId);
if (isset($this->cache[$userId])) {
return $this->cache[$userId];
}
$displayName = $this->memCache->get($userId);
if ($displayName) {
$this->cache[$userId] = $displayName;
return $displayName;
}
@ -58,20 +63,23 @@ class DisplayNameCache implements IEventListener {
} else {
$displayName = $userId;
}
$this->internalCache->set($userId, $displayName, 60 * 10); // 10 minutes
$this->cache[$userId] = $displayName;
$this->memCache->set($userId, $displayName, 60 * 10); // 10 minutes
return $displayName;
}
public function clear(): void {
$this->internalCache->clear();
$this->cache = [];
$this->memCache->clear();
}
public function handle(Event $event): void {
if ($event instanceof UserChangedEvent && $event->getFeature() === 'displayName') {
$userId = $event->getUser()->getUID();
$newDisplayName = $event->getValue();
$this->internalCache->set($userId, $newDisplayName, 60 * 10); // 10 minutes
$this->cache[$userId] = $newDisplayName;
$this->memCache->set($userId, $newDisplayName, 60 * 10); // 10 minutes
}
}
}