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<?php |
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declare( strict_types = 1 ); |
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namespace WMDE\BannerServer\Controller; |
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use Symfony\Component\HttpFoundation\Cookie; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use WMDE\BannerServer\Entity\Visitor; |
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use WMDE\BannerServer\UseCase\BannerSelection\BannerSelectionUseCase; |
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/** |
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* @license GPL-2.0-or-later |
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*/ |
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class BannerSelectionController { |
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public const IMPRESSION_COUNT_COOKIE = 'impCount'; |
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public const BUCKET_COOKIE = 'b'; |
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public const CATEGORY_COOKIE = 'cat'; |
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public function __construct( |
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private readonly BannerSelectionUseCase $useCase, |
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private readonly string $bannerPath |
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) { |
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} |
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public function selectBanner( Request $request ): Response { |
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$bannerResponseData = $this->useCase->selectBanner( $this->buildValuesFromRequest( $request ) ); |
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if ( !$bannerResponseData->displayBanner() ) { |
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$response = new Response( '// Sorry, no banner for you!' ); |
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$response->headers->set( 'Content-Type', 'application/javascript; charset=UTF-8' ); |
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return $response; |
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} |
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$response = new RedirectResponse( |
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$this->getBannerUrl( $bannerResponseData->getBannerIdentifier() ), |
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Response::HTTP_FOUND |
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); |
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foreach ( $this->getCookies( |
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$bannerResponseData->getVisitorData(), |
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$bannerResponseData->getCampaignEnd()->modify( '+2 week' ) |
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) as $cookie ) { |
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$response->headers->setCookie( $cookie ); |
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} |
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return $response; |
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} |
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private function buildValuesFromRequest( Request $request ): Visitor { |
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$rawCategories = (string)$request->cookies->get( self::CATEGORY_COOKIE, '' ); |
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$categories = array_filter( explode( ',', $rawCategories ) ); |
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return new Visitor( |
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$request->cookies->getInt( self::IMPRESSION_COUNT_COOKIE, 0 ), |
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(string)$request->cookies->get( self::BUCKET_COOKIE, null ) ?: null, |
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$request->query->getInt( 'vWidth' ), |
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...$categories |
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); |
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} |
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private function getBannerUrl( string $bannerIdentifier ): string { |
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return $this->bannerPath . $bannerIdentifier . '.js'; |
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} |
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/** |
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* @param Visitor $visitor |
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* @param \DateTime $cookieExpirationDate |
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* |
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* @return Cookie[] |
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* @throws \Exception |
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*/ |
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private function getCookies( Visitor $visitor, \DateTime $cookieExpirationDate ): array { |
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return [ |
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Cookie::create( self::BUCKET_COOKIE, $visitor->getBucketIdentifier(), $cookieExpirationDate ), |
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Cookie::create( |
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self::IMPRESSION_COUNT_COOKIE, |
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(string)$visitor->getTotalImpressionCount(), |
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new \DateTime( 'midnight first day of january next year' ) |
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) |
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]; |
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} |
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} |
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wmde /
banner-server
