/**
* We have a number of observers that immediately update related data when certain
* actions occur, such as the number of comments on a discussion, or who last updated
* or contributed to a category in some way.
*/
public function boot()
{
$countCacheObserver = $this->app->make(CountCacheObserver::class);
$updatedByObserver = new UpdatedByObserver();
Comment::observe($countCacheObserver);
Comment::observe($updatedByObserver);
Discussion::observe($countCacheObserver);
Discussion::observe($updatedByObserver);
}