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<?php |
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namespace Suitmedia\Cacheable; |
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use Illuminate\Contracts\Events\Dispatcher; |
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use Illuminate\Database\Eloquent\Model; |
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use Suitmedia\Cacheable\Contracts\CacheableModel; |
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use Suitmedia\Cacheable\Events\CacheableEvent; |
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use Suitmedia\Cacheable\Events\CacheableInvalidated; |
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use Suitmedia\Cacheable\Events\CacheableInvalidating; |
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class CacheableObserver |
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{ |
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/** |
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* Event dispatcher object. |
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* |
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* @var \Illuminate\Contracts\Events\Dispatcher |
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*/ |
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protected $events; |
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/** |
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* Cacheable observer constructor. |
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* |
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* @param \Illuminate\Contracts\Events\Dispatcher $events |
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*/ |
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public function __construct(Dispatcher $events) |
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{ |
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$this->events = $events; |
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} |
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/** |
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* Fire cacheable events. |
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* |
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* @param \Suitmedia\Cacheable\Events\CacheableEvent $event |
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* |
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* @return mixed |
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*/ |
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public function fireEvent(CacheableEvent $event) |
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{ |
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if (method_exists($this->events, 'fire')) { |
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return $this->events->fire($event); |
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} |
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return $this->events->dispatch($event); |
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} |
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/** |
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* Tell the cacheable service to flush all cache |
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* that related to the given model. |
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* |
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* @param \Suitmedia\Cacheable\Contracts\CacheableModel $model |
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* |
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* @return void |
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*/ |
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protected function flushCache(CacheableModel $model) |
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{ |
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$tags = $model->cacheTags(); |
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$this->fireEvent(new CacheableInvalidating($model, $tags)); |
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\Cacheable::flush($tags); |
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$this->fireEvent(new CacheableInvalidated($model, $tags)); |
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} |
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/** |
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* Saved event handler. |
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* |
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* @param \Suitmedia\Cacheable\Contracts\CacheableModel $model |
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* |
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* @return void |
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*/ |
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public function saved(CacheableModel $model) |
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{ |
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$this->flushCache($model); |
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} |
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/** |
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* Deleted event handler. |
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* |
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* @param \Suitmedia\Cacheable\Contracts\CacheableModel $model |
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* |
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* @return void |
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*/ |
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public function deleted(CacheableModel $model) |
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{ |
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$this->flushCache($model); |
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} |
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/** |
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* Restored event handler. |
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* |
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* @param \Suitmedia\Cacheable\Contracts\CacheableModel $model |
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* |
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* @return void |
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*/ |
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public function restored(CacheableModel $model) |
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{ |
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$this->flushCache($model); |
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} |
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} |
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