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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\Rest\Handler; |
| 4 | |
| 5 | use GrowthExperiments\ErrorException; |
| 6 | use GrowthExperiments\NewcomerTasks\AddLink\LinkRecommendationHelper; |
| 7 | use GrowthExperiments\Util; |
| 8 | use MediaWiki\Linker\LinkTarget; |
| 9 | use MediaWiki\ParamValidator\TypeDef\TitleDef; |
| 10 | use MediaWiki\Rest\HttpException; |
| 11 | use MediaWiki\Rest\Response; |
| 12 | use MediaWiki\Rest\SimpleHandler; |
| 13 | use RequestContext; |
| 14 | use Wikimedia\ParamValidator\ParamValidator; |
| 15 | |
| 16 | /** |
| 17 | * Provide stored recommendations for a given page. |
| 18 | */ |
| 19 | class AddLinkSuggestionsHandler extends SimpleHandler { |
| 20 | |
| 21 | /** @var LinkRecommendationHelper */ |
| 22 | private $linkRecommendationHelper; |
| 23 | |
| 24 | /** |
| 25 | * @param LinkRecommendationHelper $linkRecommendationHelper |
| 26 | */ |
| 27 | public function __construct( |
| 28 | LinkRecommendationHelper $linkRecommendationHelper |
| 29 | ) { |
| 30 | $this->linkRecommendationHelper = $linkRecommendationHelper; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Entry point. |
| 35 | * @param LinkTarget $title |
| 36 | * @return Response|mixed A Response or a scalar passed to ResponseFactory::createFromReturnValue |
| 37 | * @throws HttpException |
| 38 | */ |
| 39 | public function run( LinkTarget $title ) { |
| 40 | if ( !Util::areLinkRecommendationsEnabled( RequestContext::getMain() ) ) { |
| 41 | throw new HttpException( 'Disabled', 404 ); |
| 42 | } |
| 43 | try { |
| 44 | $recommendation = $this->linkRecommendationHelper->getLinkRecommendation( $title ); |
| 45 | } catch ( ErrorException $e ) { |
| 46 | throw new HttpException( $e->getErrorMessageInEnglish() ); |
| 47 | } |
| 48 | if ( !$recommendation ) { |
| 49 | throw new HttpException( 'The recommendation has already been invalidated', 409 ); |
| 50 | } |
| 51 | return [ 'recommendation' => $recommendation->toArray() ]; |
| 52 | } |
| 53 | |
| 54 | /** @inheritDoc */ |
| 55 | public function needsWriteAccess() { |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | /** @inheritDoc */ |
| 60 | public function getParamSettings() { |
| 61 | return [ |
| 62 | 'title' => [ |
| 63 | self::PARAM_SOURCE => 'path', |
| 64 | ParamValidator::PARAM_TYPE => 'title', |
| 65 | ParamValidator::PARAM_REQUIRED => true, |
| 66 | TitleDef::PARAM_RETURN_OBJECT => true, |
| 67 | ], |
| 68 | ]; |
| 69 | } |
| 70 | |
| 71 | } |