class-woo-extra-product-options.php

<?php
/**
 * Compatibility Plugin Name: WooCommerce Extra Product Options
 * Compatibility Plugin URI: https://codecanyon.net/item/woocommerce-extra-product-options/7908619
 * Related issue: https://github.com/wpCloud/wp-stateless/issues/266
 *
 * Compatibility Description: Ensures compatibility with WooCommerce Extra Product Options.
 *
 */

namespace WPSL\WooExtraProductOptions;

use wpCloud\StatelessMedia\Compatibility;

class WooExtraProductOptions extends Compatibility {
  protected $id = 'woo-extra-product-options';
  protected $title = 'WooCommerce Extra Product Options';
  protected $constant = 'WP_STATELESS_COMPATIBILITY_WOO_EXTRA_PRODUCT_OPTION';
  protected $description = 'Ensures compatibility with WooCommerce Extra Product Options.';
  protected $plugin_file = 'woocommerce-tm-extra-product-options/tm-woo-extra-product-options.php';

  /**
   * @param $sm
   */
  public function module_init($sm) {
    add_filter('woocommerce_add_cart_item_data', array($this, 'add_cart_item_data'), 1);
  }

  /**
   * Adding filter late to insure that it only runs when a product is added.
   * @param $cart_item_meta
   * @return mixed
   */
  public function add_cart_item_data($cart_item_meta) {
    add_filter('wp_handle_upload', array($this, 'wp_handle_upload'));
    return $cart_item_meta;
  }

  /**
   * upload image to GCS and return GCS link.
   * @param $upload
   * @return mixed
   */
  public function wp_handle_upload($upload) {
    $file = $upload['file'];
    $url = $upload['url'];
    $type = $upload['type'];

    $client = ud_get_stateless_media()->get_client();

    $file_path = apply_filters('wp_stateless_file_name', $file, 0);
    $file_info = @getimagesize($file);

    if ($file_info) {
      $_metadata = array(
        'width'  => $file_info[0],
        'height' => $file_info[1],
        'object-id' => 'unknown', // we really don't know it
        'source-id' => md5($file . ud_get_stateless_media()->get('sm.bucket')),
        'file-hash' => md5($file)
      );
    }

    $media = $client->add_media(apply_filters('sm:item:on_fly:before_add', array(
      'use_root' => false,
      'name' => $file_path,
      'absolutePath' => wp_normalize_path($file),
      'cacheControl' => apply_filters('sm:item:cacheControl', 'public, max-age=36000, must-revalidate', $_metadata),
      'contentDisposition' => null,
      'mimeType' => $type,
      'metadata' => $_metadata
    )));

    $upload['url'] = ud_get_stateless_media()->get_gs_host() . '/' . $file_path;
    return $upload;
  }
}