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<?php
/**
 * EasyDigitalDownloads Output class.
 *
 * @since 2.8.0
 *
 * @package OMAPI
 * @author  Gabriel Oliveira
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * EasyDigitalDownloads Output class.
 *
 * @since 2.8.0
 */
class OMAPI_EasyDigitalDownloads_Output {

/**
	 * The OMAPI_EasyDigitalDownloads instance.
	 *
	 * @since 2.8.0
	 *
	 * @var OMAPI_EasyDigitalDownloads
	 */
	public $edd;

/**
	 * Constructor
	 *
	 * @since 2.13.0
	 *
	 * @param OMAPI_EasyDigitalDownloads $edd
	 */
	public function __construct( OMAPI_EasyDigitalDownloads $edd ) {
		$this->edd = $edd;
	}

/**
	 * Returns the payload EDD needs to use in its Display Rules.
	 *
	 * @since 2.8.0
	 *
	 * @return array The
	 */
	public function display_rules_data() {
		$cart               = $this->get_cart();
		$user_id            = get_current_user_id();
		$purchased_products = edd_get_users_purchased_products( $user_id );
		$cart['customer']   = null;

if ( ! empty( $purchased_products ) ) {
			$customer_products = array_map(
				function ( $product ) {
					return $product->ID;
				},
				$purchased_products
			);

$cart['customer'] = array(
				'products' => $customer_products,
				'stats'    => edd_get_purchase_stats_by_user( $user_id ),
			);
		}

return $cart;
	}

/**
	 * Retrieve the cart from EDD
	 *
	 * @since 2.8.0.
	 *
	 * @return array An array of EDD cart data.
	 */
	public function get_cart() {
		// Bail if EDD isn't currently active.
		if ( ! $this->edd->is_active() ) {
			return array();
		}

// Check if EDD is the minimum version.
		if ( ! $this->edd->is_minimum_version() ) {
			return array();
		}

$edd_cart = EDD()->cart;

$cart              = array();
		$cart['discounts'] = $edd_cart->get_discounts();
		$cart['quantity']  = $edd_cart->get_quantity();
		$cart['subtotal']  = $edd_cart->get_subtotal();
		$cart['total']     = $edd_cart->get_total();

// Filter out items by leaving only necessary fields
		$cart['items'] = array_map(
			function ( $edd_item ) {
				return array(
					'id'         => $edd_item['id'],
					'quantity'   => $edd_item['quantity'],
					'discount'   => $edd_item['discount'],
					'subtotal'   => $edd_item['subtotal'],
					'price'      => $edd_item['price'],
					'item_price' => $edd_item['item_price'],
				);
			},
			$edd_cart->get_contents_details()
		);

return $cart;
	}
}

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