Filter videos products from product search JSON in wp-admin 'Woocommerce orders' view

wc-search-product-filter.php

<?php if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Filter Streaming videos products from JSON search in wp-admin 'Woocommerce orders' view
 */
add_filter( 'woocommerce_json_search_found_products', function( $products ) {

  /**
   * Check HTTP Referer
   */
  $referer   = isset($_SERVER['HTTP_REFERER']) ? sanitize_text_field( $_SERVER['HTTP_REFERER'] ) : NULL;
  $query_str = parse_url($referer, PHP_URL_QUERY);
  parse_str($query_str, $query_params);

  /**
   * Get post_type or post_id from Referer URL
   */
  $post_id = isset( $query_params['post'] ) ? intval( $query_params['post'] ) : NULL;
  $type    = isset( $query_params['post_type'] ) ? sanitize_text_field( $query_params['post_type'] ) : NULL;
  
  /**
   * Return search results if
   * - 'post' query var is not found in query string, should be when editing existing order
   * - 'post_type' is not shop_order, should be when creating new order
   */
  if ( ! $post_id && 'shop_order' != $type )
    return $products;

  
  /**
   * Just to double check user is actually on edit order screen
   */
  if ( ! $type && $post_id ) {

    $order = get_post($post_id);
    $type  = isset( $order['post_type'] ) ? $order['post_type'] : NULL;
  }


  if ( 'shop_order' != $type )
    return $products;


  /**
   * Filter all products that are product type: streaming, variable
   */
  foreach ($products as $id => $title) :

    // Skip everything that is not 'product' post_type
    if( 'product' != get_post_type( $id ) ) continue;
    
    // Filter by type from $products array
    if ( in_array( WC_Product_Factory::get_product_type($id), ['variable'] ) )
      unset( $products[$id] );

  endforeach;

  return $products;

}, 10, 1);