setResource($page); } public function getTab(): string { return MetaManagerForm::TAB_CACHE_VALUE; } /** * @param string|null $value * @return Metadata * @throws ExceptionCombo */ public function setValue($value): Metadata { if ($value === null){ parent::setValue($value); return $this; } $value = trim($value); if ($value === "") { // html form send an empty string return $this; } try { $cacheExpirationCalculatedDate = Cron::getDate($value); $cacheExpirationDate = CacheExpirationDate::createForPage($this->getResource()); $cacheExpirationDate ->setValue($cacheExpirationCalculatedDate) ->persist(); parent::setValue($value); return $this; } catch (ExceptionCombo $e) { throw new ExceptionCombo("The cache frequency expression ($value) is not a valid cron expression. Validate it on this website", CacheExpirationFrequency::PROPERTY_NAME); } } public function getDescription(): string { return "A page expiration frequency expressed as a cron expression"; } public function getLabel(): string { return "Cache Expiration Frequency"; } public static function getName(): string { return self::PROPERTY_NAME; } public function getPersistenceType(): string { return MetadataDokuWikiStore::PERSISTENT_METADATA; } public function getMutable(): bool { return true; } public function getDefaultValue() { return null; } public function getCanonical(): string { return self::CANONICAL; } }