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<?php |
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/** |
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* This file is part of the Zemit Framework. |
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* |
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* (c) Zemit Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE.txt |
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* file that was distributed with this source code. |
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*/ |
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namespace Zemit\Mvc\Model; |
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use Phalcon\Mvc\ModelInterface; |
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use Zemit\Config\ConfigInterface; |
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use Zemit\Models\Audit; |
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use Zemit\Models\AuditDetail; |
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use Zemit\Models\Session; |
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/** |
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* Flush Cache on changes |
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* |
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* @todo set cache keys |
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* @todo improve to delete only necessary keys |
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* @todo improve whiteList system |
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* @todo precache system |
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*/ |
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trait Cache |
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{ |
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/** |
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* Set true to avoid flushing cache for the current instance |
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*/ |
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public bool $preventFlushCache = false; |
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/** |
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* Whitelisted classes to not force global cache flush on change |
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*/ |
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public array $flushModelsCacheBlackList = []; |
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/** |
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* Get modelsCache service from default DI |
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*/ |
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public function getModelsCache(): \Phalcon\Cache |
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{ |
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return $this->getDI()->get('modelsCache'); |
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} |
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/** |
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* Initializing Cache |
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*/ |
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public function initializeCache(): void |
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{ |
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$config = $this->getDI()->get('config'); |
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assert($config instanceof ConfigInterface); |
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$this->flushModelsCacheBlackList [] = $config->getModelClass(Session::class); |
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$this->flushModelsCacheBlackList [] = $config->getModelClass(Audit::class); |
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$this->flushModelsCacheBlackList [] = $config->getModelClass(AuditDetail::class); |
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$this->addFlushCacheBehavior($this->flushModelsCacheBlackList); |
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} |
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/** |
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* Adding Cache Behavior |
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*/ |
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public function addFlushCacheBehavior(?array $flushModelsCacheBlackList = null): void |
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{ |
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$flushModelsCacheBlackList ??= $this->flushModelsCacheBlackList; |
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// flush cache prevented by current instance |
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if ($this->preventFlushCache) { |
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return; |
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} |
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// flush cache prevented if current instance class is blacklisted |
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if ($this->isThisInstanceOf($flushModelsCacheBlackList)) { |
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return; |
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} |
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$modelsCache = $this->getModelsCache(); |
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$flushAction = function (ModelInterface $model) use ($modelsCache) { |
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// Do not flush cache if nothing has changed |
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return ($model->hasSnapshotData() && !($model->hasUpdated() || $model->hasChanged())) |
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&& $modelsCache->clear(); |
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}; |
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$actions = ['flush' => $flushAction]; |
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$this->addBehavior(new Behavior\Action([ |
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'afterSave' => $actions, |
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'afterCreate' => $actions, |
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'afterUpdate' => $actions, |
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'afterDelete' => $actions, |
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'afterRestore' => $actions, |
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'afterReorder' => $actions, |
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])); |
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} |
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/** |
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* Check whether the current instance is any of the classes |
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*/ |
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public function isThisInstanceOf(array $classes = []): bool |
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{ |
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// Prevent adding behavior to whiteListed models |
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foreach ($classes as $class) { |
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if ($this instanceof $class) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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zemit-cms /
core
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