woocommerce/includes/import/class-wc-product-csv-import...

433 lines
11 KiB
PHP

<?php
/**
* WooCommerce Product CSV importer
*
* @author Automattic
* @category Admin
* @package WooCommerce/Import
* @version 3.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Include dependencies.
*/
if ( ! class_exists( 'WC_Product_Importer', false ) ) {
include_once( dirname( __FILE__ ) . '/abstract-wc-product-importer.php' );
}
/**
* WC_Product_CSV_Importer Class.
*/
class WC_Product_CSV_Importer extends WC_Product_Importer {
/**
* Initialize importer.
*
* @param string $file File to read.
* @param array $args Arguments for the parser.
*/
public function __construct( $file, $params = array() ) {
$default_args = array(
'start_pos' => 0, // File pointer start.
'end_pos' => -1, // File pointer end.
'lines' => -1, // Max lines to read.
'mapping' => array(), // Column mapping. csv_heading => schema_heading.
'parse' => false, // Whether to sanitize and format data.
'delimiter' => ',', // CSV delimiter.
);
$this->params = wp_parse_args( $params, $default_args );
$this->file = $file;
$this->read_file();
}
/**
* Read file.
*
* @return array
*/
protected function read_file() {
if ( false !== ( $handle = fopen( $this->file, 'r' ) ) ) {
$this->raw_keys = fgetcsv( $handle, 0, $this->params['delimiter'] );
if ( 0 !== $this->params['start_pos'] ) {
fseek( $handle, (int) $this->params['start_pos'] );
}
while ( false !== ( $row = fgetcsv( $handle, 0, $this->params['delimiter'] ) ) ) {
$this->raw_data[] = $row;
if ( ( $this->params['end_pos'] > 0 && ftell( $handle ) >= $this->params['end_pos'] ) || 0 === --$this->params['lines'] ) {
break;
}
}
$this->file_position = ftell( $handle );
}
if ( ! empty( $this->params['mapping'] ) ) {
$this->set_mapped_keys();
}
if ( $this->params['parse'] ) {
$this->set_parsed_data();
}
}
/**
* Set file mapped keys.
*
* @return array
*/
protected function set_mapped_keys() {
$mapping = $this->params['mapping'];
foreach ( $this->raw_keys as $key ) {
$this->mapped_keys[] = isset( $mapping[ $key ] ) ? $mapping[ $key ] : $key;
}
}
/**
* Parse relative field and return product ID.
* Handle `id:xx` and SKUs.
*
* @param string $field Field value.
* @return int|string
*/
protected function parse_relative_field( $field ) {
if ( empty( $field ) ) {
return '';
}
if ( preg_match( '/^id:(\d+)$/', $field, $matches ) ) {
return intval( $matches[1] );
}
return wc_get_product_id_by_sku( $field );
}
/**
* Parse reletive comma-delineated field and return product ID.
*
* @param string $field Field value.
* @return array
*/
protected function parse_relative_comma_field( $field ) {
if ( empty( $field ) ) {
return array();
}
return array_filter( array_map( array( $this, 'parse_relative_field' ), array_map( 'trim', explode( ',', $field ) ) ) );
}
/**
* Parse a comma-delineated field from a CSV.
*
* @param string $field Field value.
* @return array
*/
protected function parse_comma_field( $field ) {
if ( empty( $field ) ) {
return array();
}
return array_map( 'wc_clean', array_map( 'trim', explode( ',', $field ) ) );
}
/**
* Parse a field that is generally '1' or '0' but can be something else.
*
* @param string $field Field value.
* @return bool|string
*/
protected function parse_bool_field( $field ) {
if ( '0' === $field ) {
return false;
}
if ( '1' === $field ) {
return true;
}
// Don't return explicit true or false for empty fields or values like 'notify'.
return wc_clean( $field );
}
/**
* Parse a float value field.
*
* @param string $field Field value.
* @return float|string
*/
protected function parse_float_field( $field ) {
if ( '' === $field ) {
return $field;
}
return floatval( $field );
}
/**
* Parse a category field from a CSV.
* Categories are separated by commas and subcategories are "parent > subcategory".
*
* @param string $field Field value.
* @return array of arrays with "parent" and "name" keys.
*/
protected function parse_categories( $field ) {
if ( empty( $field ) ) {
return array();
}
$sections = array_map( 'trim', explode( ',', $field ) );
$categories = array();
foreach ( $sections as $section ) {
// Top level category.
if ( false === strpos( $section, '>' ) ) {
$categories[] = array(
'parent' => false,
'name' => wc_clean( $section ),
);
// Subcategory.
} else {
$chunks = array_map( 'trim', explode( '>', $section ) );
$categories[] = array(
'parent' => wc_clean( reset( $chunks ) ),
'name' => wc_clean( end( $chunks ) ),
);
}
}
return $categories;
}
/**
* Get formatting callback.
*
* @return array
*/
protected function get_formating_callback() {
/**
* Columns not mentioned here will get parsed with 'wc_clean'.
* column_name => callback.
*/
$data_formatting = array(
'id' => 'absint',
'type' => array( $this, 'parse_comma_field' ),
'published' => array( $this, 'parse_bool_field' ),
'featured' => array( $this, 'parse_bool_field' ),
'date_on_sale_from' => 'strtotime',
'date_on_sale_to' => 'strtotime',
'short_description' => 'wp_kses_post',
'description' => 'wp_kses_post',
'manage_stock' => array( $this, 'parse_bool_field' ),
'backorders' => array( $this, 'parse_bool_field' ),
'stock_status' => array( $this, 'parse_bool_field' ),
'sold_individually' => array( $this, 'parse_bool_field' ),
'width' => array( $this, 'parse_float_field' ),
'length' => array( $this, 'parse_float_field' ),
'height' => array( $this, 'parse_float_field' ),
'weight' => array( $this, 'parse_float_field' ),
'reviews_allowed' => array( $this, 'parse_bool_field' ),
'purchase_note' => 'wp_kses_post',
'price' => 'wc_format_decimal',
'regular_price' => 'wc_format_decimal',
'stock_quantity' => 'absint',
'category_ids' => array( $this, 'parse_categories' ),
'tag_ids' => array( $this, 'parse_comma_field' ),
'image_id' => array( $this, 'parse_comma_field' ),
'parent_id' => array( $this, 'parse_relative_field' ),
'upsell_ids' => array( $this, 'parse_relative_comma_field' ),
'cross_sell_ids' => array( $this, 'parse_relative_comma_field' ),
'download_limit' => 'absint',
'download_expiry' => 'absint',
);
/**
* Match special column names.
*/
$regex_match_data_formatting = array(
'/attributes:value*/' => array( $this, 'parse_comma_field' ),
'/downloads:url*/' => 'esc_url',
'/meta:*/' => 'wp_kses_post', // Allow some HTML in meta fields.
);
$callbacks = array();
// Figure out the parse function for each column.
foreach ( $this->get_mapped_keys() as $index => $heading ) {
$callback = 'wc_clean';
if ( isset( $data_formatting[ $heading ] ) ) {
$callback = $data_formatting[ $heading ];
} else {
foreach ( $regex_match_data_formatting as $regex => $callback ) {
if ( preg_match( $regex, $heading ) ) {
$callback = $callback;
break;
}
}
}
$callbacks[] = $callback;
}
return $callbacks;
}
/**
* Check if strings starts with determined word.
*
* @param string $haystack Complete sentence.
* @param string $needle Excerpt.
* @return bool
*/
protected function starts_with( $haystack, $needle ) {
return $needle === substr( $haystack, 0, strlen( $needle ) );
}
/**
* Expand special and internal data.
*
* @param array $data Data to import.
* @return array
*/
protected function expand_data( $data ) {
$data = apply_filters( 'woocommerce_product_importer_pre_expand_data', $data );
// Meta data.
$data['meta_data'] = array();
$data['attributes'] = array();
$data['default_attributes'] = array();
$data['downloads'] = array();
// Manage stock.
if ( isset( $data['stock_quantity'] ) ) {
$data['manage_stock'] = 0 < $data['stock_quantity'];
}
// Type, virtual and downlodable.
if ( isset( $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' ) ) );
}
// Handle special column names.
foreach ( $data as $key => $value ) {
// Attributes.
if ( $this->starts_with( $key, 'attributes:name' ) ) {
if ( ! empty( $value ) ) {
$data['attributes'][ str_replace( 'attributes:name', '', $key ) ]['name'] = $value;
}
unset( $data[ $key ] );
}
if ( $this->starts_with( $key, 'attributes:value' ) ) {
if ( ! empty( $value ) ) {
$data['attributes'][ str_replace( 'attributes:value', '', $key ) ]['value'] = $value;
}
unset( $data[ $key ] );
}
// Default attributes
if ( $this->starts_with( $key, 'attributes:default' ) ) {
if ( ! empty( $value ) ) {
$data['default_attributes'][] = $value;
}
unset( $data[ $key ] );
}
// Downloads.
if ( $this->starts_with( $key, 'downloads:name' ) ) {
if ( ! empty( $value ) ) {
$data['attributes'][ str_replace( 'downloads:name', '', $key ) ]['name'] = $value;
}
unset( $data[ $key ] );
}
if ( $this->starts_with( $key, 'downloads:url' ) ) {
if ( ! empty( $value ) ) {
$data['attributes'][ str_replace( 'downloads:url', '', $key ) ]['url'] = $value;
}
unset( $data[ $key ] );
}
// Meta data.
if ( $this->starts_with( $key, 'meta:' ) ) {
$data['meta_data'][] = array(
'key' => str_replace( 'meta:', '', $key ),
'value' => $value,
);
unset( $data[ $key ] );
}
}
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 ) {
$data = array();
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 ) );
}
}
/**
* Process importer.
*
* @return array
*/
public function import() {
$data = array(
'imported' => array(),
'failed' => array(),
);
foreach ( $this->parsed_data as $parsed_data ) {
$result = $this->process_item( $parsed_data );
if ( is_wp_error( $result ) ) {
$data['failed'][] = $result;
} else {
$data['imported'][] = $result;
}
}
return $data;
}
}