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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\NewcomerTasks; |
| 4 | |
| 5 | use GrowthExperiments\GrowthExperimentsServices; |
| 6 | use GrowthExperiments\NewcomerTasks\AddImage\CacheBackedImageRecommendationProvider; |
| 7 | use GrowthExperiments\NewcomerTasks\Task\TaskSet; |
| 8 | use GrowthExperiments\NewcomerTasks\TaskType\ImageRecommendationBaseTaskType; |
| 9 | use MediaWiki\Deferred\DeferredUpdates; |
| 10 | use MediaWiki\MediaWikiServices; |
| 11 | use Wikimedia\ObjectCache\WANObjectCache; |
| 12 | use Wikimedia\Stats\IBufferingStatsdDataFactory; |
| 13 | |
| 14 | /** |
| 15 | * Called from CacheDecorator after a TaskSet is returned (either from cache or by calling the |
| 16 | * decorated suggester). |
| 17 | * |
| 18 | * Used currently for fetching and caching recommendation data for image recommendation tasks. |
| 19 | */ |
| 20 | class TaskSetListener { |
| 21 | |
| 22 | /** @var WANObjectCache */ |
| 23 | private $cache; |
| 24 | |
| 25 | /** @var IBufferingStatsdDataFactory */ |
| 26 | private $statsdDataFactory; |
| 27 | |
| 28 | /** |
| 29 | * @param WANObjectCache $cache |
| 30 | * @param IBufferingStatsdDataFactory $statsdDataFactory |
| 31 | */ |
| 32 | public function __construct( WANObjectCache $cache, IBufferingStatsdDataFactory $statsdDataFactory ) { |
| 33 | $this->cache = $cache; |
| 34 | $this->statsdDataFactory = $statsdDataFactory; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Execute code after task set is returned from CacheDecorator (either from cache or by |
| 39 | * calling the decorated suggester). |
| 40 | * |
| 41 | * FIXME Find a better way to structure the actions that different task types can require when a TaskSet is |
| 42 | * constructed. |
| 43 | * |
| 44 | * @param TaskSet $taskSet |
| 45 | */ |
| 46 | public function run( TaskSet $taskSet ): void { |
| 47 | $fname = __METHOD__; |
| 48 | DeferredUpdates::addCallableUpdate( function () use ( $taskSet, $fname ) { |
| 49 | foreach ( $taskSet as $task ) { |
| 50 | if ( $task->getTaskType() instanceof ImageRecommendationBaseTaskType ) { |
| 51 | $growthServices = GrowthExperimentsServices::wrap( MediaWikiServices::getInstance() ); |
| 52 | CacheBackedImageRecommendationProvider::getWithSetCallback( |
| 53 | $this->cache, |
| 54 | $growthServices->getImageRecommendationProviderUncached(), |
| 55 | $task->getTaskType(), |
| 56 | $task->getTitle(), |
| 57 | $fname, |
| 58 | $this->statsdDataFactory |
| 59 | ); |
| 60 | } |
| 61 | } |
| 62 | } ); |
| 63 | } |
| 64 | } |