art-import-wpai.php

function art_adding_attributes( $post_id, $xml_node ) {

	// Ограничиваем работу сниппета нужным импортом
	$import_id = ( $_GET['id'] ?? ( isset( $_GET['import_id'] ) ? $_GET['import_id'] : 'new' ) );

	$attributes_from_string = [];

	if ( ( '31' === $import_id || '26' === $import_id ) && $xml_node->dimensions ) {

		$sep = '/';

		if ( false !== strpos( $xml_node->dimensions, 'x' ) ) {
			$sep = 'x';
		}

		$dimensions = explode( $sep, $xml_node->dimensions );

		$dimensions = convert_dimensions( $dimensions );

		$a = [ 'dlina', 'shirina', 'vysota' ];

		if ( count( $dimensions ) < 3 ) {
			$a = [ 'vysota', 'shirina' ];
		}

		if ( count( $dimensions ) < 2 ) {
			return;
		}

		$attributes_from_string = array_combine( $a, $dimensions );

		awpai_set_attributes( $attributes_from_string, $post_id );
	}

	if ( '30' === $import_id ) {
		$attributes = explode( ';', $xml_node->productoptiondescription1 );
		$attributes = array_map( 'art_satinize_value', $attributes );
		$keys       = art_get_keys( $attributes, art_get_base_color() );

		$attributes_from_string = [ 'colour' => array_unique( $keys ) ];

		awpai_set_attributes( $attributes_from_string, $post_id );
	}

	if ( ( '41' === $import_id ) && 'Размер' === (string) $xml_node->param[2]['name'] ) {
		$dimensions = $xml_node->param[2];

		if ( ( false !== strpos( $dimensions, 'D' ) ) ) {
			$dimensions = explode( ' ', trim( $dimensions ) );

			$a = [ 'diametr' ];

			if ( count( $dimensions ) === 2 ) {

				unset( $dimensions[1] );

			} elseif ( count( $dimensions ) === 3 ) {
				unset( $dimensions[0], $dimensions[2] );

			} elseif ( count( $dimensions ) === 4 ) {
				$a = [ 'diametr', 'vysota' ];

				unset( $dimensions[1], $dimensions[3] );

				if ( mb_strpos( $xml_node->param[2], 'D' ) === 0 ) {
					[ $dimensions[0], $dimensions[2] ] = [ $dimensions[2], $dimensions[0] ];
				}

			}

			$dimensions = convert_dimensions( clear_array_element( $dimensions ) );

			$attributes_from_string = array_combine( $a, $dimensions );

		} elseif ( ( false === strpos( $dimensions, 'D' ) ) ) {

			$dimensions = array_filter( explode( ' ', $dimensions ) );

			if ( count( $dimensions ) > 4 ) {
				unset( $dimensions[2], $dimensions[4], $dimensions[5], $dimensions[6] );
				$a = [ 'diametr', 'vysota' ];
			} else {
				unset( $dimensions[1], $dimensions[3] );
				$a = [ 'shirina', 'dlina' ];
			}

			$dimensions = convert_dimensions( $dimensions );

			$attributes_from_string = array_combine( $a, $dimensions );

		}

		awpai_set_attributes( $attributes_from_string, $post_id );

	}

}


/**
 * @param $attributes_from_string
 * @param $post_id
 */
function awpai_set_attributes( $attributes_from_string, $post_id ) {

	if ( empty( $attributes_from_string ) ) {
		return;
	}

	$attributes = [];

	$product = wc_get_product( $post_id );

	$attributes_current = $product->get_attributes();

	foreach ( $attributes_from_string as $name => $value ) {

		// Проверяем на наличие ключа и значения
		if ( empty( $name ) || empty( $value ) ) {
			continue;
		}

		// Превращаем занчения в массив
		if ( ! is_array( $value ) ) {
			$value = array_map( 'trim', explode( ',', $value ) );
		}

		$attribute_id  = 0;
		$slug          = wc_sanitize_taxonomy_name( $name );
		$taxonomy_name = wc_attribute_taxonomy_name( $name );

		$attribute_taxonomies = wc_get_attribute_taxonomies();

		// Создаем таксономию глобального атрибута, если ее еще нет
		if ( ! taxonomy_exists( $taxonomy_name ) ) {

			$attribute_name = wc_attribute_taxonomy_slug( $name );
			// Create the taxonomy.
			if ( ! in_array( $attribute_name, $attribute_taxonomies, true ) ) {
				$attribute_id = wc_create_attribute(
					[
						'name'         => $name,
						'slug'         => $attribute_name,
						'type'         => 'select',
						'order_by'     => 'menu_order',
						'has_archives' => false,
					]
				);
			}

			register_taxonomy(
				$taxonomy_name,
				apply_filters( 'woocommerce_taxonomy_objects_' . $taxonomy_name, [ 'product' ] ),
				apply_filters(
					'woocommerce_taxonomy_args_' . $taxonomy_name,
					[
						'hierarchical' => true,
						'show_ui'      => false,
						'query_var'    => true,
						'rewrite'      => false,
					]
				)
			);

		} else {
			// Иначе, просто присваиваем нужное значение в нужную таксу

			$taxonomies = wp_list_pluck( $attribute_taxonomies, 'attribute_id', 'attribute_name' );

			if ( ! isset( $taxonomies[ $slug ] ) ) {
				continue;
			}

			$attribute_id = (int) $taxonomies[ $slug ];
		}

		// Создаем атрибуты
		$attribute = new WC_Product_Attribute();
		$attribute->set_id( $attribute_id );
		$attribute->set_name( $taxonomy_name );
		$attribute->set_options( $value );
		$attribute->set_visible( true );
		$attribute->set_variation( false );

		$attributes[ $taxonomy_name ] = $attribute;

	}

	$attributes = array_merge( $attributes_current, $attributes );

	$product->set_attributes( $attributes );
	$product->save();

}