文件操作 - EddCart.php

文件: /home/www/public/wp-content/plugins/tutor/ecommerce/Cart/EddCart.php

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<?php
/**
 * Handle EDD cart logics
 *
 * @package Tutor\Ecommerce
 * @author Themeum
 * @link https://themeum.com
 * @since 3.5.0
 */

namespace Tutor\Ecommerce\Cart;

use Tutor\Ecommerce\Cart\Contracts\CartInterface;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
/**
 * Class for managing Edd cart functions
 *
 * @since 3.5.0
 */
class EddCart extends BaseCart implements CartInterface {

/**
	 * Add to cart
	 *
	 * @since 3.5.0
	 *
	 * @param int $item_id Item id to add to cart.
	 *
	 * @return bool
	 */
	public function add( int $item_id ): bool {
		$download_id = tutor_utils()->get_course_product_id( $item_id );
		if ( ! $download_id ) {
			$this->cart_error = __( 'Downloadable item not found', 'tutor' );
			return false;
		}

if ( $this->is_item_exists( $item_id ) ) {
			$this->cart_error = __( 'Item already exists in cart', 'tutor' );
			return false;
		} else {
			return edd_add_to_cart( $download_id ) ? true : false;
		}
	}

/**
	 * Remove an item from cart
	 *
	 * @since 3.5.0
	 *
	 * @param integer $item_id Item id to add to cart.
	 *
	 * @return boolean
	 */
	public function remove( int $item_id ): bool {
		// @TODO
		return false;
	}

/**
	 * Clear the cart entirely
	 *
	 * @since 3.5.0
	 *
	 * @return boolean
	 */
	public function clear_cart(): bool {
		// @TODO
		return false;
	}

/**
	 * Get cart items
	 *
	 * @since 3.5.0
	 *
	 * @return array Array of objects
	 */
	public function get_cart_items(): array {
		$items = array();
		// @TODO need to implement this.
		return $items;
	}

/**
	 * Get cart page url to view the cart
	 *
	 * @since 3.5.0
	 *
	 * @return string
	 */
	public function get_cart_url(): string {
		return (string) edd_get_checkout_uri();
	}

/**
	 * Check if item exists in cart
	 *
	 * @since 3.5.0
	 *
	 * @param int $item_id Item id.
	 *
	 * @return bool
	 */
	public function is_item_exists( int $item_id ): bool {
		$download_id = tutor_utils()->get_course_product_id( $item_id );
		return edd_item_in_cart( $download_id );
	}
}

文件操作 - EddCart.php

文件: /home/www/public/wp-content/plugins/tutor/ecommerce/Cart/EddCart.php

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