Adding the WooCommerce Product Feed Manager Unique Identifier fields to the Quick Edit screen.

unique-identifiers-quick-edit.php

<?php

// These functions will be added natively to our product feed manager plugin from version 3.2.0

function wppfm_show_quick_edit_custom_fields() {
	if ( function_exists('wppfm_create_gtin_wc_support_field' ) ) {

		// Add the Brand field.
		woocommerce_wp_text_input(
			array(
				'id'          => 'wppfm_product_brand',
				'label'       => 'Product brand',
				'class'       => 'wppfm_product_brand',
			)
		);

		// Add the GTIN field.
		woocommerce_wp_text_input(
			array(
				'id'          => 'wppfm_product_gtin',
				'label'       => 'Product GTIN',
				'class'       => 'wppfm_product_gtin',
			)
		);

		// Add the MPN field.
		woocommerce_wp_text_input(
			array(
				'id'          => 'wppfm_product_mpn',
				'label'       => 'Product MPN',
				'class'       => 'wppfm_product_mpn',
			)
		);
	}
}

add_action( 'woocommerce_product_quick_edit_start', 'wppfm_show_quick_edit_custom_fields' );

function wppfm_add_quick_edit_custom_fields_data( $column, $post_id ){
	if ( function_exists('wppfm_create_gtin_wc_support_field' ) ) {
		if ( 'name' !== $column ) {
			return;
		}

		echo '<div id="wppfm_product_brand_data_' . $post_id . '" hidden>' . esc_html( get_post_meta( $post_id, 'wppfm_product_brand', true ) ) . '</div>
		<div id="wppfm_product_gtin_data_' . $post_id . '" hidden>' . esc_html( get_post_meta( $post_id, 'wppfm_product_gtin', true ) ) . '</div>
		<div id="wppfm_product_mpn_data_' . $post_id . '" hidden>' . esc_html( get_post_meta( $post_id, 'wppfm_product_mpn', true ) ) . '</div>';
	}
}

add_action( 'manage_product_posts_custom_column', 'wppfm_add_quick_edit_custom_fields_data', 10, 2 );

function wppfm_populate_quick_edit_custom_fields() {
	if ( function_exists( 'wppfm_create_gtin_wc_support_field' ) ) {
		?>
		<script type="text/javascript">
			(function($) {
				$('#the-list').on('click', '.editinline', function() {

					var post_id = $(this).closest('tr').attr('id');
					post_id = post_id.replace('post-', '');

					var brand_field = $('#wppfm_product_brand_data_' + post_id).text();
					$('input[name="wppfm_product_brand"]', '.inline-edit-row').val(brand_field);

					var gtin_field = $('#wppfm_product_gtin_data_' + post_id).text();
					$('input[name="wppfm_product_gtin"]', '.inline-edit-row').val(gtin_field);

					var mpn_field = $('#wppfm_product_mpn_data_' + post_id).text();
					$('input[name="wppfm_product_mpn"]', '.inline-edit-row').val(mpn_field);
				});
			})(jQuery);		</script>
		<?php
	}
}

add_action( 'admin_footer', 'wppfm_populate_quick_edit_custom_fields' );

function wppfm_save_quick_edit_custom_fields( $product ) {
	if ( function_exists('wppfm_create_gtin_wc_support_field' ) ) {
		// Get the custom fields' data.
		$brand = $_POST['wppfm_product_brand'] ?? '';
		$gtin  = $_POST['wppfm_product_gtin'] ?? '';
		$mpn   = $_POST['wppfm_product_mpn'] ?? '';

		// Save the custom fields' data.
		$product->update_meta_data( 'wppfm_product_brand', sanitize_text_field( $brand ) );
		$product->update_meta_data( 'wppfm_product_gtin', sanitize_text_field( $gtin ) );
		$product->update_meta_data( 'wppfm_product_mpn', sanitize_text_field( $mpn ) );

		$product->save();
	}
}

add_action( 'woocommerce_product_quick_edit_save', 'wppfm_save_quick_edit_custom_fields' );