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<?php

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namespace Advanced_Ads;

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/**

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* Ad Repository/Factory class.

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* Ensures every ad is only set-up once and the same instance is re-used within one request.

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class Ad_Repository extends Abstract_Repository {

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/**

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* Array to hold the \Advanced_Ads_Ad objects, indexed by id.

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* @var array

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protected static $repo = [];

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/**

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* Get the ad object from the repository. Create and add it, if it doesn't exist.

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* If the passed id is not an ad, return the created ad object without adding it to the repository.

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* This behavior prevents breaking changes.

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* @param int $id The ad id to look for.

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* @return \Advanced_Ads_Ad

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public static function get( int $id ): \Advanced_Ads_Ad {

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if ( ! self::has( $id ) ) {

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$ad = new \Advanced_Ads_Ad( $id );

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if ( ! $ad->is_ad ) {

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return $ad;

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}

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self::$repo[ $id ] = $ad;

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}

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return self::$repo[ $id ];

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}

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}

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