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<?php

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namespace Yoast\WP\SEO\Promotions\Application;

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use Yoast\WP\SEO\Promotions\Domain\Promotion_Interface;

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/**

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* Class to manage promotional promotions.

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* @makePublic

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class Promotion_Manager implements Promotion_Manager_Interface {

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/**

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* The centralized list of promotions: all promotions should be passed to the constructor.

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* @var array<Abstract_Promotion>

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private $promotions_list = [];

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/**

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* Class constructor.

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* @param Promotion_Interface ...$promotions List of promotions.

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public function __construct( Promotion_Interface ...$promotions ) {

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$this->promotions_list = $promotions;

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}

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/**

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* Whether the promotion is effective.

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* @param string $promotion_name The name of the promotion.

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* @return bool Whether the promotion is effective.

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public function is( string $promotion_name ): bool {

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$time = \time();

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foreach ( $this->promotions_list as $promotion ) {

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if ( $promotion->get_promotion_name() === $promotion_name ) {

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return $promotion->get_time_interval()->contains( $time );

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}

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}

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return false;

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}

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/**

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* Get the list of promotions.

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* @return array<Abstract_Promotion> The list of promotions.

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public function get_promotions_list(): array {

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return $this->promotions_list;

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}

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/**

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* Get the names of currently active promotions.

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* @return array<string> The list of promotions.

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public function get_current_promotions(): array {

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$current_promotions = [];

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$time = \time();

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foreach ( $this->promotions_list as $promotion ) {

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if ( $promotion->get_time_interval()->contains( $time ) ) {

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$current_promotions[] = $promotion->get_promotion_name();

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}

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}

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return $current_promotions;

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}

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}

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