780 lines
21 KiB
PHP
780 lines
21 KiB
PHP
<?php
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/**
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* WooCommerce Product CSV importer
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*
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* @author Automattic
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* @category Admin
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* @package WooCommerce/Import
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* @version 3.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Include dependencies.
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*/
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if ( ! class_exists( 'WC_Product_Importer', false ) ) {
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include_once( dirname( __FILE__ ) . '/abstract-wc-product-importer.php' );
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}
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/**
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* WC_Product_CSV_Importer Class.
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*/
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class WC_Product_CSV_Importer extends WC_Product_Importer {
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/**
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* Initialize importer.
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*
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* @param string $file File to read.
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* @param array $args Arguments for the parser.
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*/
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public function __construct( $file, $params = array() ) {
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$default_args = array(
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'start_pos' => 0, // File pointer start.
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'end_pos' => -1, // File pointer end.
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'lines' => -1, // Max lines to read.
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'mapping' => array(), // Column mapping. csv_heading => schema_heading.
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'parse' => false, // Whether to sanitize and format data.
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'update_existing' => false, // Whether to update existing items.
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'delimiter' => ',', // CSV delimiter.
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'prevent_timeouts' => true, // Check memory and time usage and abort if reaching limit.
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);
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$this->params = wp_parse_args( $params, $default_args );
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$this->file = $file;
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$this->read_file();
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}
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/**
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* Read file.
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*
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* @return array
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*/
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protected function read_file() {
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if ( false !== ( $handle = fopen( $this->file, 'r' ) ) ) {
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$this->raw_keys = fgetcsv( $handle, 0, $this->params['delimiter'] );
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// Remove BOM signature from the first item.
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if ( isset( $this->raw_keys[0] ) ) {
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$this->raw_keys[0] = $this->remove_utf8_bom( $this->raw_keys[0] );
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}
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if ( 0 !== $this->params['start_pos'] ) {
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fseek( $handle, (int) $this->params['start_pos'] );
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}
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while ( false !== ( $row = fgetcsv( $handle, 0, $this->params['delimiter'] ) ) ) {
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$this->raw_data[] = $row;
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$this->file_positions[ count( $this->raw_data ) ] = ftell( $handle );
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if ( ( $this->params['end_pos'] > 0 && ftell( $handle ) >= $this->params['end_pos'] ) || 0 === --$this->params['lines'] ) {
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break;
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}
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}
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$this->file_position = ftell( $handle );
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}
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if ( ! empty( $this->params['mapping'] ) ) {
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$this->set_mapped_keys();
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}
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if ( $this->params['parse'] ) {
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$this->set_parsed_data();
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}
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}
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/**
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* Remove UTF-8 BOM signature.
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*
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* @param string $string String to handle.
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* @return string
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*/
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protected function remove_utf8_bom( $string ) {
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if ( 'efbbbf' === substr( bin2hex( $string ), 0, 6 ) ) {
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$string = substr( $string, 3 );
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}
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return $string;
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}
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/**
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* Set file mapped keys.
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*
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* @return array
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*/
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protected function set_mapped_keys() {
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$mapping = $this->params['mapping'];
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foreach ( $this->raw_keys as $key ) {
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$this->mapped_keys[] = isset( $mapping[ $key ] ) ? $mapping[ $key ] : $key;
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}
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}
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/**
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* Parse relative field and return product ID.
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*
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* Handles `id:xx` and SKUs.
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*
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* If mapping to an id: and the product ID does not exist, this link is not
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* valid.
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*
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* If mapping to a SKU and the product ID does not exist, a temporary object
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* will be created so it can be updated later.
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*
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* @param string $field Field value.
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* @return int|string
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*/
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public function parse_relative_field( $field ) {
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global $wpdb;
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if ( empty( $field ) ) {
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return '';
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}
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if ( preg_match( '/^id:(\d+)$/', $field, $matches ) ) {
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$id = intval( $matches[1] );
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$original_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_original_id' AND meta_value = %s;", $id ) );
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if ( $original_id ) {
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return absint( $original_id );
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// If we're not updating existing posts, we need a placeholder.
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} elseif ( ! $this->params['update_existing'] ) {
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$product = new WC_Product_Simple();
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$product->set_name( 'Import placeholder for ' . $id );
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$product->set_status( 'importing' );
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$product->add_meta_data( '_original_id', $id, true );
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$id = $product->save();
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}
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return $id;
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}
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if ( $id = wc_get_product_id_by_sku( $field ) ) {
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return $id;
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}
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try {
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$product = new WC_Product_Simple();
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$product->set_name( 'Import placeholder for ' . $field );
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$product->set_status( 'importing' );
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$product->set_sku( $field );
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$id = $product->save();
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if ( $id && ! is_wp_error( $id ) ) {
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return $id;
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}
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} catch ( Exception $e ) {
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return '';
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}
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return '';
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}
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/**
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* Parse the ID field.
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*
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* If we're not doing an update, create a placeholder product so mapping works
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* for rows following this one.
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*
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* @return int
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*/
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public function parse_id_field( $field ) {
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global $wpdb;
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$id = absint( $field );
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if ( ! $id ) {
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return 0;
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}
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// See if this maps to an ID placeholder already.
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$original_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_original_id' AND meta_value = %s;", $id ) );
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if ( $original_id ) {
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return absint( $original_id );
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}
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// Not updating? Make sure we have a new placeholder for this ID.
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if ( ! $this->params['update_existing'] ) {
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$product = new WC_Product_Simple();
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$product->set_name( 'Import placeholder for ' . $id );
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$product->set_status( 'importing' );
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$product->add_meta_data( '_original_id', $id, true );
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$id = $product->save();
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}
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return $id && ! is_wp_error( $id ) ? $id : 0;
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}
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/**
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* Parse reletive comma-delineated field and return product ID.
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*
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* @param string $field Field value.
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* @return array
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*/
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public function parse_relative_comma_field( $field ) {
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if ( empty( $field ) ) {
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return array();
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}
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return array_filter( array_map( array( $this, 'parse_relative_field' ), array_map( 'trim', explode( ',', $field ) ) ) );
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}
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/**
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* Parse a comma-delineated field from a CSV.
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*
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* @param string $field Field value.
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* @return array
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*/
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public function parse_comma_field( $field ) {
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if ( empty( $field ) ) {
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return array();
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}
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return array_map( 'wc_clean', array_map( 'trim', explode( ',', $field ) ) );
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}
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/**
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* Parse a field that is generally '1' or '0' but can be something else.
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*
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* @param string $field Field value.
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* @return bool|string
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*/
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public function parse_bool_field( $field ) {
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if ( '0' === $field ) {
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return false;
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}
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if ( '1' === $field ) {
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return true;
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}
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// Don't return explicit true or false for empty fields or values like 'notify'.
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return wc_clean( $field );
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}
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/**
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* Parse a float value field.
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*
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* @param string $field Field value.
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* @return float|string
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*/
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public function parse_float_field( $field ) {
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if ( '' === $field ) {
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return $field;
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}
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return floatval( $field );
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}
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/**
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* Parse a category field from a CSV.
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* Categories are separated by commas and subcategories are "parent > subcategory".
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*
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* @param string $field Field value.
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* @return array of arrays with "parent" and "name" keys.
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*/
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public function parse_categories_field( $field ) {
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if ( empty( $field ) ) {
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return array();
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}
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$row_terms = array_map( 'trim', explode( ',', $field ) );
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$categories = array();
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foreach ( $row_terms as $row_term ) {
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$parent = null;
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$_terms = array_map( 'trim', explode( '>', $row_term ) );
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$total = count( $_terms );
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foreach ( $_terms as $index => $_term ) {
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// Check if category exists. Parent must be empty string or null if doesn't exists.
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// @codingStandardsIgnoreStart
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$term = term_exists( $_term, 'product_cat', $parent );
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// @codingStandardsIgnoreEnd
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if ( is_array( $term ) ) {
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$term_id = $term['term_id'];
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} else {
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$term = wp_insert_term( $_term, 'product_cat', array( 'parent' => intval( $parent ) ) );
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$term_id = $term['term_id'];
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}
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// Only requires assign the last category.
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if ( ( 1 + $index ) === $total ) {
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$categories[] = $term_id;
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} else {
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// Store parent to be able to insert or query categories based in parent ID.
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$parent = $term_id;
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}
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}
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}
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return $categories;
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}
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/**
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* Parse a tag field from a CSV.
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*
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* @param string $field Field value.
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* @return array
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*/
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public function parse_tags_field( $field ) {
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if ( empty( $field ) ) {
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return array();
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}
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$names = array_map( 'trim', explode( ',', $field ) );
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$tags = array();
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foreach ( $names as $name ) {
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$term = get_term_by( 'name', $name, 'product_tag' );
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if ( ! $term || is_wp_error( $term ) ) {
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$term = (object) wp_insert_term( $name, 'product_tag' );
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}
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$tags[] = $term->term_id;
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}
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return $tags;
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}
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/**
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* Parse a shipping class field from a CSV.
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*
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* @param string $field Field value.
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* @return int
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*/
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public function parse_shipping_class_field( $field ) {
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if ( empty( $field ) ) {
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return 0;
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}
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$term = get_term_by( 'name', $field, 'product_shipping_class' );
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if ( ! $term || is_wp_error( $term ) ) {
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$term = (object) wp_insert_term( $field, 'product_shipping_class' );
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}
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return $term->term_id;
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}
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/**
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* Parse images list from a CSV.
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*
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* @param string $field Field value.
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* @return array
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*/
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public function parse_images_field( $field ) {
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if ( empty( $field ) ) {
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return array();
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}
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return array_map( 'esc_url_raw', array_map( 'trim', explode( ',', $field ) ) );
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}
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/**
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* Parse dates from a CSV.
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* Dates requires the format YYYY-MM-DD.
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*
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* @param string $field Field value.
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* @return string|null
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*/
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public function parse_date_field( $field ) {
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if ( empty( $field ) ) {
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return null;
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}
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if ( preg_match( '/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/', $field ) ) {
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return $field;
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}
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return null;
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}
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/**
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* Parse backorders from a CSV.
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*
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* @param string $field Field value.
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* @return string
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*/
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public function parse_backorders_field( $field ) {
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if ( empty( $field ) ) {
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return '';
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}
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$field = $this->parse_bool_field( $field );
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if ( 'notify' === $field ) {
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return 'notify';
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} elseif ( is_bool( $field ) ) {
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return $field ? 'yes' : 'no';
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}
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return '';
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}
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/**
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* Get formatting callback.
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*
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* @return array
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*/
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protected function get_formating_callback() {
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/**
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* Columns not mentioned here will get parsed with 'wc_clean'.
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* column_name => callback.
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*/
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$data_formatting = array(
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'id' => array( $this, 'parse_id_field' ),
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'type' => array( $this, 'parse_comma_field' ),
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'published' => array( $this, 'parse_bool_field' ),
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'featured' => array( $this, 'parse_bool_field' ),
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'date_on_sale_from' => array( $this, 'parse_date_field' ),
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'date_on_sale_to' => array( $this, 'parse_date_field' ),
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'name' => 'wp_filter_post_kses',
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'short_description' => 'wp_filter_post_kses',
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'description' => 'wp_filter_post_kses',
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'manage_stock' => array( $this, 'parse_bool_field' ),
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'backorders' => array( $this, 'parse_backorders_field' ),
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'stock_status' => array( $this, 'parse_bool_field' ),
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'sold_individually' => array( $this, 'parse_bool_field' ),
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'width' => array( $this, 'parse_float_field' ),
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'length' => array( $this, 'parse_float_field' ),
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'height' => array( $this, 'parse_float_field' ),
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'weight' => array( $this, 'parse_float_field' ),
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'reviews_allowed' => array( $this, 'parse_bool_field' ),
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'purchase_note' => 'wp_filter_post_kses',
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'price' => 'wc_format_decimal',
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'regular_price' => 'wc_format_decimal',
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'stock_quantity' => 'wc_stock_amount',
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'category_ids' => array( $this, 'parse_categories_field' ),
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'tag_ids' => array( $this, 'parse_tags_field' ),
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'shipping_class_id' => array( $this, 'parse_shipping_class_field' ),
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'images' => array( $this, 'parse_images_field' ),
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'parent_id' => array( $this, 'parse_relative_field' ),
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'grouped_products' => array( $this, 'parse_relative_comma_field' ),
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'upsell_ids' => array( $this, 'parse_relative_comma_field' ),
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'cross_sell_ids' => array( $this, 'parse_relative_comma_field' ),
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'download_limit' => 'absint',
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'download_expiry' => 'absint',
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'product_url' => 'esc_url_raw',
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);
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/**
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* Match special column names.
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*/
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$regex_match_data_formatting = array(
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'/attributes:value*/' => array( $this, 'parse_comma_field' ),
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'/attributes:visible*/' => array( $this, 'parse_bool_field' ),
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'/attributes:taxonomy*/' => array( $this, 'parse_bool_field' ),
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'/downloads:url*/' => 'esc_url',
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'/meta:*/' => 'wp_kses_post', // Allow some HTML in meta fields.
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);
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$callbacks = array();
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// Figure out the parse function for each column.
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foreach ( $this->get_mapped_keys() as $index => $heading ) {
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$callback = 'wc_clean';
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if ( isset( $data_formatting[ $heading ] ) ) {
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$callback = $data_formatting[ $heading ];
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} else {
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foreach ( $regex_match_data_formatting as $regex => $callback ) {
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if ( preg_match( $regex, $heading ) ) {
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$callback = $callback;
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break;
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}
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}
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}
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$callbacks[] = $callback;
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}
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return apply_filters( 'woocommerce_product_importer_formatting_callbacks', $callbacks, $this );
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}
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/**
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* Check if strings starts with determined word.
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*
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* @param string $haystack Complete sentence.
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* @param string $needle Excerpt.
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* @return bool
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*/
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protected function starts_with( $haystack, $needle ) {
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return substr( $haystack, 0, strlen( $needle ) ) === $needle;
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}
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/**
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* Expand special and internal data into the correct formats for the product CRUD.
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*
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* @param array $data Data to import.
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* @return array
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*/
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protected function expand_data( $data ) {
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$data = apply_filters( 'woocommerce_product_importer_pre_expand_data', $data );
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// Status is mapped from a special published field.
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if ( isset( $data['published'] ) ) {
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$data['status'] = ( $data['published'] ? 'publish' : 'draft' );
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unset( $data['published'] );
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}
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// Images field maps to image and gallery id fields.
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if ( isset( $data['images'] ) ) {
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$images = $data['images'];
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$data['raw_image_id'] = array_shift( $images );
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if ( ! empty( $images ) ) {
|
|
$data['raw_gallery_image_ids'] = $images;
|
|
}
|
|
unset( $data['images'] );
|
|
}
|
|
|
|
// Type, virtual and downloadable are all stored in the same column.
|
|
if ( isset( $data['type'] ) ) {
|
|
$data['type'] = array_map( 'strtolower', $data['type'] );
|
|
$data['virtual'] = in_array( 'virtual', $data['type'], true );
|
|
$data['downloadable'] = in_array( 'downloadable', $data['type'], true );
|
|
|
|
// Convert type to string.
|
|
$data['type'] = current( array_diff( $data['type'], array( 'virtual', 'downloadable' ) ) );
|
|
}
|
|
|
|
if ( isset( $data['stock_quantity'] ) ) {
|
|
$data['manage_stock'] = 0 < $data['stock_quantity'];
|
|
}
|
|
|
|
// Stock is bool.
|
|
if ( isset( $data['stock_status'] ) ) {
|
|
$data['stock_status'] = $data['stock_status'] ? 'instock' : 'outofstock';
|
|
}
|
|
|
|
// Prepare grouped products.
|
|
if ( isset( $data['grouped_products'] ) ) {
|
|
$data['children'] = $data['grouped_products'];
|
|
unset( $data['grouped_products'] );
|
|
}
|
|
|
|
// Handle special column names which span multiple columns.
|
|
$attributes = array();
|
|
$downloads = array();
|
|
$meta_data = array();
|
|
|
|
foreach ( $data as $key => $value ) {
|
|
// Attributes.
|
|
if ( $this->starts_with( $key, 'attributes:name' ) ) {
|
|
if ( ! empty( $value ) ) {
|
|
$attributes[ str_replace( 'attributes:name', '', $key ) ]['name'] = $value;
|
|
}
|
|
unset( $data[ $key ] );
|
|
|
|
} elseif ( $this->starts_with( $key, 'attributes:value' ) ) {
|
|
$attributes[ str_replace( 'attributes:value', '', $key ) ]['value'] = $value;
|
|
unset( $data[ $key ] );
|
|
|
|
} elseif ( $this->starts_with( $key, 'attributes:taxonomy' ) ) {
|
|
$attributes[ str_replace( 'attributes:taxonomy', '', $key ) ]['taxonomy'] = wc_string_to_bool( $value );
|
|
unset( $data[ $key ] );
|
|
|
|
} elseif ( $this->starts_with( $key, 'attributes:visible' ) ) {
|
|
$attributes[ str_replace( 'attributes:visible', '', $key ) ]['visible'] = wc_string_to_bool( $value );
|
|
unset( $data[ $key ] );
|
|
|
|
} elseif ( $this->starts_with( $key, 'attributes:default' ) ) {
|
|
if ( ! empty( $value ) ) {
|
|
$attributes[ str_replace( 'attributes:default', '', $key ) ]['default'] = $value;
|
|
}
|
|
unset( $data[ $key ] );
|
|
|
|
// Downloads.
|
|
} elseif ( $this->starts_with( $key, 'downloads:name' ) ) {
|
|
if ( ! empty( $value ) ) {
|
|
$downloads[ str_replace( 'downloads:name', '', $key ) ]['name'] = $value;
|
|
}
|
|
unset( $data[ $key ] );
|
|
|
|
} elseif ( $this->starts_with( $key, 'downloads:url' ) ) {
|
|
if ( ! empty( $value ) ) {
|
|
$downloads[ str_replace( 'downloads:url', '', $key ) ]['url'] = $value;
|
|
}
|
|
unset( $data[ $key ] );
|
|
|
|
// Meta data.
|
|
} elseif ( $this->starts_with( $key, 'meta:' ) ) {
|
|
$meta_data[] = array(
|
|
'key' => str_replace( 'meta:', '', $key ),
|
|
'value' => $value,
|
|
);
|
|
unset( $data[ $key ] );
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $attributes ) ) {
|
|
// Remove empty attributes and clear indexes.
|
|
foreach ( $attributes as $attribute ) {
|
|
if ( empty( $attribute['name'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$data['raw_attributes'][] = $attribute;
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $downloads ) ) {
|
|
$data['downloads'] = array();
|
|
|
|
foreach ( $downloads as $key => $file ) {
|
|
if ( empty( $file['url'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$data['downloads'][] = array(
|
|
'name' => $file['name'] ? $file['name'] : wc_get_filename_from_url( $file['url'] ),
|
|
'file' => $file['url'],
|
|
);
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $meta_data ) ) {
|
|
$data['meta_data'] = $meta_data;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Map and format raw data to known fields.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function set_parsed_data() {
|
|
$parse_functions = $this->get_formating_callback();
|
|
$mapped_keys = $this->get_mapped_keys();
|
|
|
|
// Parse the data.
|
|
foreach ( $this->raw_data as $row ) {
|
|
// Skip empty rows.
|
|
if ( ! count( array_filter( $row ) ) ) {
|
|
continue;
|
|
}
|
|
$data = array();
|
|
|
|
do_action( 'woocommerce_product_importer_before_set_parsed_data', $row, $mapped_keys );
|
|
|
|
foreach ( $row as $id => $value ) {
|
|
// Skip ignored columns.
|
|
if ( empty( $mapped_keys[ $id ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$data[ $mapped_keys[ $id ] ] = call_user_func( $parse_functions[ $id ], $value );
|
|
}
|
|
|
|
$this->parsed_data[] = apply_filters( 'woocommerce_product_importer_parsed_data', $this->expand_data( $data ), $this );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a string to identify the row from parsed data.
|
|
*
|
|
* @param array $parsed_data
|
|
* @return string
|
|
*/
|
|
protected function get_row_id( $parsed_data ) {
|
|
$id = isset( $parsed_data['id'] ) ? absint( $parsed_data['id'] ) : 0;
|
|
$sku = isset( $parsed_data['sku'] ) ? esc_attr( $parsed_data['sku'] ) : '';
|
|
$name = isset( $parsed_data['name'] ) ? esc_attr( $parsed_data['name'] ) : '';
|
|
$row_data = array();
|
|
|
|
if ( $name ) {
|
|
$row_data[] = $name;
|
|
}
|
|
if ( $id ) {
|
|
$row_data[] = sprintf( __( 'ID %d', 'woocommerce' ), $id );
|
|
}
|
|
if ( $sku ) {
|
|
$row_data[] = sprintf( __( 'SKU %s', 'woocommerce' ), $sku );
|
|
}
|
|
|
|
return implode( ', ', $row_data );
|
|
}
|
|
|
|
/**
|
|
* Process importer.
|
|
*
|
|
* Do not import products with IDs or SKUs that already exist if option
|
|
* update existing is false, and likewise, if updating products, do not
|
|
* process rows which do not exist if an ID/SKU is provided.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function import() {
|
|
$this->start_time = time();
|
|
$index = 0;
|
|
$update_existing = $this->params['update_existing'];
|
|
$data = array(
|
|
'imported' => array(),
|
|
'failed' => array(),
|
|
'updated' => array(),
|
|
'skipped' => array(),
|
|
);
|
|
|
|
foreach ( $this->parsed_data as $parsed_data_key => $parsed_data ) {
|
|
$id = isset( $parsed_data['id'] ) ? absint( $parsed_data['id'] ) : 0;
|
|
$sku = isset( $parsed_data['sku'] ) ? esc_attr( $parsed_data['sku'] ) : '';
|
|
$id_exists = false;
|
|
$sku_exists = false;
|
|
|
|
if ( $id ) {
|
|
$product = wc_get_product( $id );
|
|
$id_exists = $product && 'importing' !== $product->get_status();
|
|
} elseif ( $sku && ( $id_from_sku = wc_get_product_id_by_sku( $sku ) ) ) {
|
|
$product = wc_get_product( $id_from_sku );
|
|
$sku_exists = $product && 'importing' !== $product->get_status();
|
|
}
|
|
|
|
if ( $id_exists && ! $update_existing ) {
|
|
$data['skipped'][] = new WP_Error( 'woocommerce_product_importer_error', __( 'A product with this ID already exists.', 'woocommerce' ), array( 'id' => $id, 'row' => $this->get_row_id( $parsed_data ) ) );
|
|
continue;
|
|
}
|
|
|
|
if ( $sku_exists && ! $update_existing ) {
|
|
$data['skipped'][] = new WP_Error( 'woocommerce_product_importer_error', __( 'A product with this SKU already exists.', 'woocommerce' ), array( 'sku' => $sku, 'row' => $this->get_row_id( $parsed_data ) ) );
|
|
continue;
|
|
}
|
|
|
|
if ( $update_existing && ( $id || $sku ) && ! $id_exists && ! $sku_exists ) {
|
|
$data['skipped'][] = new WP_Error( 'woocommerce_product_importer_error', __( 'No matching product exists to update.', 'woocommerce' ), array( 'id' => $id, 'sku' => $sku, 'row' => $this->get_row_id( $parsed_data ) ) );
|
|
continue;
|
|
}
|
|
|
|
$result = $this->process_item( $parsed_data );
|
|
|
|
if ( is_wp_error( $result ) ) {
|
|
$result->add_data( array( 'row' => $this->get_row_id( $parsed_data ) ) );
|
|
$data['failed'][] = $result;
|
|
} elseif ( $result['updated'] ) {
|
|
$data['updated'][] = $result['id'];
|
|
} else {
|
|
$data['imported'][] = $result['id'];
|
|
}
|
|
|
|
$index ++;
|
|
|
|
if ( $this->params['prevent_timeouts'] && ( $this->time_exceeded() || $this->memory_exceeded() ) ) {
|
|
$this->file_position = $this->file_positions[ $index ];
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
}
|