Set newly imported products' post_status field to 'draft' instead of to 'publish'. Only applies to products being imported for the first time, not to already imported products. [datafeedr][dfrpswc]

import_new_products_as_drafts.php

<?php

/**
 * Set newly imported products' post_status field to 'draft' instead
 * of to 'publish'. Only applies to products being imported for the first
 * time, not to already imported products.
 *
 * @param array $post Array containing Post information.
 * @param array $product Array containing Datafeedr Product information.
 * @param array $set Array containing Product Set information.
 * @param string $action Either "update" or "insert" depending on what the Product Set is doing.
 *
 * @return array Update $post array.
 */
function mycode_import_new_products_as_drafts( $post, $product, $set, $action ) {
	$post['post_status'] = ( ! isset( $post['ID'] ) ) ? 'draft' : get_post_status( $post['ID'] );

	return $post;
}

add_filter( 'dfrpswc_filter_post_array', 'mycode_import_new_products_as_drafts', 100, 4 );