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<?php
namespace Automattic\WooCommerce\Blocks\Domain\Services;
use Automattic\WooCommerce\Blocks\Utils\CartCheckoutUtils; use Automattic\WooCommerce\Blocks\Assets\AssetDataRegistry; use WC_Customer; use WC_Data; use WC_Order; use WP_Error;
/** * Service class managing checkout fields and its related extensibility points. */ class CheckoutFields {
/** * Additional checkout fields. * * @var array */ private $additional_fields = [];
/** * Fields locations. * * @var array */ private $fields_locations;
/** * Supported field types * * @var array */ private $supported_field_types = [ 'text', 'select', 'checkbox' ];
/** * Groups of fields to be saved. * * @var array */ protected $groups = [ 'billing', 'shipping', 'other' ];
/** * Instance of the asset data registry. * * @var AssetDataRegistry */ private $asset_data_registry;
/** * Billing fields meta key. * * @var string */ const BILLING_FIELDS_PREFIX = '_wc_billing/';
/** * Shipping fields meta key. * * @var string */ const SHIPPING_FIELDS_PREFIX = '_wc_shipping/';
/** * Additional fields meta key. * * @var string * @deprecated 8.9.0 Use OTHER_FIELDS_PREFIX instead. */ const ADDITIONAL_FIELDS_PREFIX = '_wc_additional/';
/** * Other fields meta key. * * @var string */ const OTHER_FIELDS_PREFIX = '_wc_other/';
/** * Sets up core fields. * * @param AssetDataRegistry $asset_data_registry Instance of the asset data registry. */ public function __construct( AssetDataRegistry $asset_data_registry ) { $this->asset_data_registry = $asset_data_registry;
$this->fields_locations = [ // omit email from shipping and billing fields. 'address' => array_merge( \array_diff_key( $this->get_core_fields_keys(), array( 'email' ) ) ), 'contact' => array( 'email' ), 'order' => [], ];
add_filter( 'woocommerce_get_country_locale_default', array( $this, 'update_default_locale_with_fields' ) ); }
/** * Initialize hooks. */ public function init() { add_action( 'woocommerce_blocks_checkout_enqueue_data', array( $this, 'add_fields_data' ) ); add_action( 'woocommerce_blocks_cart_enqueue_data', array( $this, 'add_fields_data' ) ); add_filter( 'woocommerce_customer_allowed_session_meta_keys', array( $this, 'add_session_meta_keys' ) ); }
/** * Add fields data to the asset data registry. */ public function add_fields_data() { $this->asset_data_registry->add( 'defaultFields', array_merge( $this->get_core_fields(), $this->get_additional_fields() ) ); $this->asset_data_registry->add( 'addressFieldsLocations', $this->fields_locations ); }
/** * Add session meta keys. * * This is an allow-list of meta data keys which we want to store in session. * * @param array $keys Session meta keys. * @return array */ public function add_session_meta_keys( $keys ) { $meta_keys = array(); try { foreach ( $this->get_additional_fields() as $field_key => $field ) { if ( 'address' === $field['location'] ) { $meta_keys[] = self::BILLING_FIELDS_PREFIX . $field_key; $meta_keys[] = self::SHIPPING_FIELDS_PREFIX . $field_key; } else { $meta_keys[] = self::OTHER_FIELDS_PREFIX . $field_key; } } } catch ( \Throwable $e ) { // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error trigger_error( sprintf( 'Error adding session meta keys for checkout fields. %s', esc_attr( $e->getMessage() ) ), E_USER_WARNING );
return $keys; }
return array_merge( $keys, $meta_keys ); }
/** * If a field does not declare a sanitization callback, this is the default sanitization callback. * * @param mixed $value Value to sanitize. * @param array $field Field data. * @return mixed */ public function default_sanitize_callback( $value, $field ) { return $value; }
/** * If a field does not declare a validation callback, this is the default validation callback. * * @param mixed $value Value to sanitize. * @param array $field Field data. * @return WP_Error|void If there is a validation error, return an WP_Error object. */ public function default_validate_callback( $value, $field ) { if ( ! empty( $field['required'] ) && empty( $value ) ) { return new WP_Error( 'woocommerce_required_checkout_field', sprintf( // translators: %s is field key. __( 'The field %s is required.', 'woocommerce' ), $field['id'] ) ); } }
/** * Registers an additional field for Checkout. * * @param array $options The field options. * * @return WP_Error|void True if the field was registered, a WP_Error otherwise. */ public function register_checkout_field( $options ) { // Check the options and show warnings if they're not supplied. Return early if an error that would prevent registration is encountered. if ( false === $this->validate_options( $options ) ) { return; }
// The above validate_options function ensures these options are valid. Type might not be supplied but then it defaults to text. $field_data = wp_parse_args( $options, [ 'id' => '', 'label' => '', 'optionalLabel' => sprintf( /* translators: %s Field label. */ __( '%s (optional)', 'woocommerce' ), $options['label'] ), 'location' => '', 'type' => 'text', 'hidden' => false, 'required' => false, 'attributes' => [], 'show_in_order_confirmation' => true, 'sanitize_callback' => array( $this, 'default_sanitize_callback' ), 'validate_callback' => array( $this, 'default_validate_callback' ), ] );
$field_data['attributes'] = $this->register_field_attributes( $field_data['id'], $field_data['attributes'] );
if ( 'checkbox' === $field_data['type'] ) { $field_data = $this->process_checkbox_field( $field_data, $options ); } elseif ( 'select' === $field_data['type'] ) { $field_data = $this->process_select_field( $field_data, $options ); }
// $field_data will be false if an error that will prevent the field being registered is encountered. if ( false === $field_data ) { return; }
// Insert new field into the correct location array. $this->additional_fields[ $field_data['id'] ] = $field_data; $this->fields_locations[ $field_data['location'] ][] = $field_data['id']; }
/** * Deregister a checkout field. * * @param string $field_id The field ID. * * @internal */ public function deregister_checkout_field( $field_id ) { if ( empty( $this->additional_fields[ $field_id ] ) ) { return; }
$location = $this->get_field_location( $field_id );
// Remove the field from the fields_locations array. $this->fields_locations[ $location ] = array_diff( $this->fields_locations[ $location ], array( $field_id ) );
// Remove the field from the additional_fields array. unset( $this->additional_fields[ $field_id ] ); }
/** * Validates the "base" options (id, label, location) and shows warnings if they're not supplied. * * @param array $options The options supplied during field registration. * @return bool false if an error was encountered, true otherwise. */ private function validate_options( &$options ) { if ( empty( $options['id'] ) ) { _doing_it_wrong( 'woocommerce_register_additional_checkout_field', 'A checkout field cannot be registered without an id.', '8.6.0' ); return false; }
// Having fewer than 2 after exploding around a / means there is no namespace. if ( count( explode( '/', $options['id'] ) ) < 2 ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $options['id'], 'A checkout field id must consist of namespace/name.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
if ( empty( $options['label'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $options['id'], 'The field label is required.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
if ( empty( $options['location'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $options['id'], 'The field location is required.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
if ( 'additional' === $options['location'] ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $options['location'] = 'order'; }
if ( ! in_array( $options['location'], array_keys( $this->fields_locations ), true ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $options['id'], 'The field location is invalid.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
// At this point, the essentials fields and its location should be set and valid. $location = $options['location']; $id = $options['id'];
// Check to see if field is already in the array. if ( ! empty( $this->additional_fields[ $id ] ) || in_array( $id, $this->fields_locations[ $location ], true ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $id, 'The field is already registered.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
if ( ! empty( $options['type'] ) ) { if ( ! in_array( $options['type'], $this->supported_field_types, true ) ) { $message = sprintf( 'Unable to register field with id: "%s". Registering a field with type "%s" is not supported. The supported types are: %s.', $id, $options['type'], implode( ', ', $this->supported_field_types ) ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; } }
if ( ! empty( $options['sanitize_callback'] ) && ! is_callable( $options['sanitize_callback'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $id, 'The sanitize_callback must be a valid callback.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
if ( ! empty( $options['validate_callback'] ) && ! is_callable( $options['validate_callback'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $id, 'The validate_callback must be a valid callback.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
// Hidden fields are not supported right now. They will be registered with hidden => false. if ( ! empty( $options['hidden'] ) && true === $options['hidden'] ) { $message = sprintf( 'Registering a field with hidden set to true is not supported. The field "%s" will be registered as visible.', $id ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); // Don't return here unlike the other fields because this is not an issue that will prevent registration. }
return true; }
/** * Processes the options for a select field and returns the new field_options array. * * @param array $field_data The field data array to be updated. * @param array $options The options supplied during field registration. * * @return array|false The updated $field_data array or false if an error was encountered. */ private function process_select_field( $field_data, $options ) { $id = $options['id'];
if ( empty( $options['options'] ) || ! is_array( $options['options'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $id, 'Fields of type "select" must have an array of "options".' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; } $cleaned_options = []; $added_values = [];
// Check all entries in $options['options'] has a key and value member. foreach ( $options['options'] as $option ) { if ( ! isset( $option['value'] ) || ! isset( $option['label'] ) ) { $message = sprintf( 'Unable to register field with id: "%s". %s', $id, 'Fields of type "select" must have an array of "options" and each option must contain a "value" and "label" member.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return false; }
$sanitized_value = sanitize_text_field( $option['value'] ); $sanitized_label = sanitize_text_field( $option['label'] );
if ( in_array( $sanitized_value, $added_values, true ) ) { $message = sprintf( 'Duplicate key found when registering field with id: "%s". The value in each option of "select" fields must be unique. Duplicate value "%s" found. The duplicate key will be removed.', $id, $sanitized_value ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); continue; }
$added_values[] = $sanitized_value;
$cleaned_options[] = [ 'value' => $sanitized_value, 'label' => $sanitized_label, ]; }
$field_data['options'] = $cleaned_options;
if ( isset( $field_data['placeholder'] ) ) { $field_data['placeholder'] = sanitize_text_field( $field_data['placeholder'] ); }
return $field_data; }
/** * Processes the options for a checkbox field and returns the new field_options array. * * @param array $field_data The field data array to be updated. * @param array $options The options supplied during field registration. * * @return array|false The updated $field_data array or false if an error was encountered. */ private function process_checkbox_field( $field_data, $options ) { $id = $options['id'];
// Checkbox fields are always optional. Log a warning if it's set explicitly as true. $field_data['required'] = false;
if ( isset( $options['required'] ) && true === $options['required'] ) { $message = sprintf( 'Registering checkbox fields as required is not supported. "%s" will be registered as optional.', $id ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); }
return $field_data; }
/** * Processes the attributes supplied during field registration. * * @param array $id The field ID. * @param array $attributes The attributes supplied during field registration. * * @return array The processed attributes. */ private function register_field_attributes( $id, $attributes ) { // We check if attributes are valid. This is done to prevent too much nesting and also to allow field registration // even if the attributes property is invalid. We can just skip it and register the field without attributes. if ( empty( $attributes ) ) { return []; }
if ( ! is_array( $attributes ) || 0 === count( $attributes ) ) { $message = sprintf( 'An invalid attributes value was supplied when registering field with id: "%s". %s', $id, 'Attributes must be a non-empty array.' ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); return []; }
// These are formatted in camelCase because React components expect them that way. $allowed_attributes = [ 'maxLength', 'readOnly', 'pattern', 'autocomplete', 'autocapitalize', 'title', ];
$valid_attributes = array_filter( $attributes, function ( $_, $key ) use ( $allowed_attributes ) { return in_array( $key, $allowed_attributes, true ) || strpos( $key, 'aria-' ) === 0 || strpos( $key, 'data-' ) === 0; }, ARRAY_FILTER_USE_BOTH );
// Any invalid attributes should show a doing_it_wrong warning. It shouldn't stop field registration, though. if ( count( $attributes ) !== count( $valid_attributes ) ) { $invalid_attributes = array_keys( array_diff_key( $attributes, $valid_attributes ) ); $message = sprintf( 'Invalid attribute found when registering field with id: "%s". Attributes: %s are not allowed.', $id, implode( ', ', $invalid_attributes ) ); _doing_it_wrong( 'woocommerce_register_additional_checkout_field', esc_html( $message ), '8.6.0' ); }
// Escape attributes to remove any malicious code and return them. return array_map( function ( $value ) { return esc_attr( $value ); }, $valid_attributes ); }
/** * Returns the keys of all core fields. * * @return array An array of field keys. */ public function get_core_fields_keys() { return [ 'email', 'country', 'first_name', 'last_name', 'company', 'address_1', 'address_2', 'city', 'state', 'postcode', 'phone', ]; }
/** * Returns an array of all core fields. * * @return array An array of fields. */ public function get_core_fields() { return [ 'email' => [ 'label' => __( 'Email address', 'woocommerce' ), 'optionalLabel' => __( 'Email address (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'email', 'autocapitalize' => 'none', 'type' => 'email', 'index' => 0, ], 'country' => [ 'label' => __( 'Country/Region', 'woocommerce' ), 'optionalLabel' => __( 'Country/Region (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'country', 'index' => 1, ], 'first_name' => [ 'label' => __( 'First name', 'woocommerce' ), 'optionalLabel' => __( 'First name (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'given-name', 'autocapitalize' => 'sentences', 'index' => 10, ], 'last_name' => [ 'label' => __( 'Last name', 'woocommerce' ), 'optionalLabel' => __( 'Last name (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'family-name', 'autocapitalize' => 'sentences', 'index' => 20, ], 'company' => [ 'label' => __( 'Company', 'woocommerce' ), 'optionalLabel' => __( 'Company (optional)', 'woocommerce' ), 'required' => 'required' === CartCheckoutUtils::get_company_field_visibility(), 'hidden' => 'hidden' === CartCheckoutUtils::get_company_field_visibility(), 'autocomplete' => 'organization', 'autocapitalize' => 'sentences', 'index' => 30, ], 'address_1' => [ 'label' => __( 'Address', 'woocommerce' ), 'optionalLabel' => __( 'Address (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'address-line1', 'autocapitalize' => 'sentences', 'index' => 40, ], 'address_2' => [ 'label' => __( 'Apartment, suite, etc.', 'woocommerce' ), 'optionalLabel' => __( 'Apartment, suite, etc. (optional)', 'woocommerce' ), 'required' => 'required' === CartCheckoutUtils::get_address_2_field_visibility(), 'hidden' => 'hidden' === CartCheckoutUtils::get_address_2_field_visibility(), 'autocomplete' => 'address-line2', 'autocapitalize' => 'sentences', 'index' => 50, ], 'city' => [ 'label' => __( 'City', 'woocommerce' ), 'optionalLabel' => __( 'City (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'address-level2', 'autocapitalize' => 'sentences', 'index' => 70, ], 'state' => [ 'label' => __( 'State/County', 'woocommerce' ), 'optionalLabel' => __( 'State/County (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'address-level1', 'autocapitalize' => 'sentences', 'index' => 80, ], 'postcode' => [ 'label' => __( 'Postal code', 'woocommerce' ), 'optionalLabel' => __( 'Postal code (optional)', 'woocommerce' ), 'required' => true, 'hidden' => false, 'autocomplete' => 'postal-code', 'autocapitalize' => 'characters', 'index' => 90, ], 'phone' => [ 'label' => __( 'Phone', 'woocommerce' ), 'optionalLabel' => __( 'Phone (optional)', 'woocommerce' ), 'required' => 'required' === CartCheckoutUtils::get_phone_field_visibility(), 'hidden' => 'hidden' === CartCheckoutUtils::get_phone_field_visibility(), 'type' => 'tel', 'autocomplete' => 'tel', 'autocapitalize' => 'characters', 'index' => 100, ], ]; }
/** * Returns an array of all additional fields. * * @return array An array of fields. */ public function get_additional_fields() { return $this->additional_fields; }
/** * Gets the location of a field. * * @param string $field_key The key of the field to get the location for. * @return string The location of the field. */ public function get_field_location( $field_key ) { foreach ( $this->fields_locations as $location => $fields ) { if ( in_array( $field_key, $fields, true ) ) { return $location; } } return ''; }
/** * Sanitize an additional field against any custom sanitization rules. * * @since 8.7.0
* @param string $field_key The key of the field. * @param mixed $field_value The value of the field. * @return mixed */ public function sanitize_field( $field_key, $field_value ) { try { $field = $this->additional_fields[ $field_key ] ?? null;
if ( $field ) { $field_value = call_user_func( $field['sanitize_callback'], $field_value, $field ); }
/** * Allow custom sanitization of an additional field. * * @param mixed $field_value The value of the field being sanitized. * @param string $field_key Key of the field being sanitized. * * @since 8.6.0 * @deprecated 8.7.0 Use woocommerce_sanitize_additional_field instead. */ $field_value = apply_filters_deprecated( '__experimental_woocommerce_blocks_sanitize_additional_field', array( $field_value, $field_key ), '8.7.0', 'woocommerce_sanitize_additional_field', 'This action has been graduated, use woocommerce_sanitize_additional_field instead.' );
/** * Allow custom sanitization of an additional field. * * @param mixed $field_value The value of the field being sanitized. * @param string $field_key Key of the field being sanitized. * * @since 8.7.0 */ return apply_filters( 'woocommerce_sanitize_additional_field', $field_value, $field_key );
} catch ( \Throwable $e ) { // One of the filters errored so skip it. This allows the checkout process to continue. // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error trigger_error( sprintf( 'Field sanitization for %s encountered an error. %s', esc_html( $field_key ), esc_html( $e->getMessage() ) ), E_USER_WARNING ); }
return $field_value; }
/** * Validate an additional field against any custom validation rules. * * @since 8.6.0 * * @param string $field_key The key of the field. * @param mixed $field_value The value of the field. * @return WP_Error */ public function validate_field( $field_key, $field_value ) { $errors = new WP_Error();
try { $field = $this->additional_fields[ $field_key ] ?? null;
if ( $field ) { $validation = call_user_func( $field['validate_callback'], $field_value, $field );
if ( is_wp_error( $validation ) ) { $errors->merge_from( $validation ); } }
/** * Pass an error object to allow validation of an additional field. * * @param WP_Error $errors A WP_Error object that extensions may add errors to. * @param string $field_key Key of the field being sanitized. * @param mixed $field_value The value of the field being validated. * * @since 8.6.0 * @deprecated 8.7.0 Use woocommerce_validate_additional_field instead. */ wc_do_deprecated_action( '__experimental_woocommerce_blocks_validate_additional_field', array( $errors, $field_key, $field_value ), '8.7.0', 'woocommerce_validate_additional_field', 'This action has been graduated, use woocommerce_validate_additional_field instead.' ); /** * Pass an error object to allow validation of an additional field. * * @param WP_Error $errors A WP_Error object that extensions may add errors to. * @param string $field_key Key of the field being sanitized. * @param mixed $field_value The value of the field being validated. * * @since 8.7.0 */ do_action( 'woocommerce_validate_additional_field', $errors, $field_key, $field_value );
} catch ( \Throwable $e ) {
// One of the filters errored so skip them and validate the field. This allows the checkout process to continue. // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error trigger_error( sprintf( 'Field validation for %s encountered an error. %s', esc_html( $field_key ), esc_html( $e->getMessage() ) ), E_USER_WARNING ); }
return $errors; }
/** * Update the default locale with additional fields without country limitations. * * @param array $locale The locale to update. * @return mixed */ public function update_default_locale_with_fields( $locale ) { foreach ( $this->get_fields_for_location( 'address' ) as $field_id => $additional_field ) { if ( empty( $locale[ $field_id ] ) ) { $locale[ $field_id ] = $additional_field; } } return $locale; }
/** * Returns an array of fields keys for the address location. * * @return array An array of fields keys. */ public function get_address_fields_keys() { return $this->fields_locations['address']; }
/** * Returns an array of fields keys for the contact location. * * @return array An array of fields keys. */ public function get_contact_fields_keys() { return $this->fields_locations['contact']; }
/** * Returns an array of fields keys for the additional area location. * * @return array An array of fields keys. * @deprecated 8.9.0 Use get_order_fields_keys instead. */ public function get_additional_fields_keys() { wc_deprecated_function( __METHOD__, '8.9.0', 'get_order_fields_keys' ); return $this->get_order_fields_keys(); }
/** * Returns an array of fields keys for the additional area group. * * @return array An array of fields keys. */ public function get_order_fields_keys() { return $this->fields_locations['order']; }
/** * Returns an array of fields for a given location. * * @param string $location The location to get fields for (address|contact|order). * @return array An array of fields definitions. */ public function get_fields_for_location( $location ) { if ( 'additional' === $location ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $location = 'order'; }
if ( in_array( $location, array_keys( $this->fields_locations ), true ) ) { $order_fields_keys = $this->fields_locations[ $location ];
return array_filter( $this->get_additional_fields(), function ( $key ) use ( $order_fields_keys ) { return in_array( $key, $order_fields_keys, true ); }, ARRAY_FILTER_USE_KEY ); } return []; }
/** * Validates a set of fields for a given location against custom validation rules. * * @param array $fields Array of key value pairs of field values to validate. * @param string $location The location being validated (address|contact|order). * @param string $group The group to get the field value for (shipping|billing|other). * @return WP_Error */ public function validate_fields_for_location( $fields, $location, $group = 'other' ) { $errors = new WP_Error();
if ( 'additional' === $location ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $location = 'order'; }
if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
try { /** * Pass an error object to allow validation of an additional field. * * @param WP_Error $errors A WP_Error object that extensions may add errors to. * @param mixed $fields List of fields (key value pairs) in this location. * @param string $group The group of this location (shipping|billing|other). * * @since 8.6.0 * @deprecated 8.9.0 Use woocommerce_blocks_validate_location_order_fields instead. */ wc_do_deprecated_action( 'woocommerce_blocks_validate_location_additional_fields', array( $errors, $fields, $group ), '8.9.0', 'woocommerce_blocks_validate_location_additional_fields', 'This action has been graduated, use woocommerce_blocks_validate_location_additional_fields instead.' ); /** * Pass an error object to allow validation of an additional field. * * @param WP_Error $errors A WP_Error object that extensions may add errors to. * @param mixed $fields List of fields (key value pairs) in this location. * @param string $group The group of this location (shipping|billing|other). * * @since 8.6.0 * @deprecated 8.9.0 Use woocommerce_blocks_validate_location_{location}_fields instead. */ wc_do_deprecated_action( '__experimental_woocommerce_blocks_validate_location_' . $location . '_fields', array( $errors, $fields, $group ), '8.9.0', 'woocommerce_blocks_validate_location_' . $location . '_fields', 'This action has been graduated, use woocommerce_blocks_validate_location_' . $location . '_fields instead.' );
/** * Pass an error object to allow validation of an additional field. * * @param WP_Error $errors A WP_Error object that extensions may add errors to. * @param mixed $fields List of fields (key value pairs) in this location. * @param string $group The group of this location (shipping|billing|other). * * @since 8.7.0 */ do_action( 'woocommerce_blocks_validate_location_' . $location . '_fields', $errors, $fields, $group );
} catch ( \Throwable $e ) {
// One of the filters errored so skip them. This allows the checkout process to continue. // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error trigger_error( sprintf( 'The action %s encountered an error. The field location %s may not have any custom validation applied to it. %s', esc_html( 'woocommerce_blocks_validate_' . $location . '_fields' ), esc_html( $location ), esc_html( $e->getMessage() ) ), E_USER_WARNING ); }
return $errors; }
/** * Validates a field to check it belongs to the given location and is valid according to its registration. * * This does not apply any custom validation rules on the value. * * @param string $key The field key. * @param mixed $value The field value. * @param string $location The location to validate the field for (address|contact|order). * * @return true|WP_Error True if the field is valid, a WP_Error otherwise. */ public function validate_field_for_location( $key, $value, $location ) { if ( 'additional' === $location ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $location = 'order'; }
if ( ! $this->is_field( $key ) ) { return new WP_Error( 'woocommerce_invalid_checkout_field', \sprintf( // translators: % is field key. __( 'The field %s is invalid.', 'woocommerce' ), $key ) ); }
if ( ! in_array( $key, $this->fields_locations[ $location ], true ) ) { return new WP_Error( 'woocommerce_invalid_checkout_field_location', \sprintf( // translators: %1$s is field key, %2$s location. __( 'The field %1$s is invalid for the location %2$s.', 'woocommerce' ), $key, $location ) ); }
$field = $this->additional_fields[ $key ]; if ( ! empty( $field['required'] ) && empty( $value ) ) { return new WP_Error( 'woocommerce_required_checkout_field', \sprintf( // translators: %s is field key. __( 'The field %s is required.', 'woocommerce' ), $key ) ); }
return true; }
/** * Returns all fields key for a given group. * * @param string $group The group to get the key for (shipping|billing|other). * * @return string[] Field keys. */ public function get_fields_for_group( $group = 'other' ) { if ( 'shipping' === $group ) { return $this->get_fields_for_location( 'address' ); }
if ( 'billing' === $group ) { return $this->get_fields_for_location( 'address' ); }
return \array_merge( $this->get_fields_for_location( 'contact' ), $this->get_fields_for_location( 'order' ) ); }
/** * Returns true if the given key is a valid field. * * @param string $key The field key. * * @return bool True if the field is valid, false otherwise. */ public function is_field( $key ) { return array_key_exists( $key, $this->additional_fields ); }
/** * Returns true if the given key is a valid customer field. * * Customer fields are fields saved to the customer data, like address and contact fields. * * @param string $key The field key. * * @return bool True if the field is valid, false otherwise. */ public function is_customer_field( $key ) { return in_array( $key, array_intersect( array_merge( $this->get_address_fields_keys(), $this->get_contact_fields_keys() ), array_keys( $this->additional_fields ) ), true ); }
/** * Persists a field value for a given order. This would also optionally set the field value on the customer object if the order is linked to a registered customer. * * @param string $key The field key. * @param mixed $value The field value. * @param WC_Order $order The order to persist the field for. * @param string $group The group to persist the field for (shipping|billing|other). * @param bool $set_customer Whether to set the field value on the customer or not. * * @return void */ public function persist_field_for_order( string $key, $value, WC_Order $order, string $group = 'other', bool $set_customer = true ) { if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
$this->set_array_meta( $key, $value, $order, $group ); if ( $set_customer && $order->get_customer_id() ) { $customer = new WC_Customer( $order->get_customer_id() ); $this->persist_field_for_customer( $key, $value, $customer, $group ); } }
/** * Persists a field value for a given customer. * * @param string $key The field key. * @param mixed $value The field value. * @param WC_Customer $customer The customer to persist the field for. * @param string $group The group to persist the field for (shipping|billing|other). * * @return void */ public function persist_field_for_customer( string $key, $value, WC_Customer $customer, string $group = 'other' ) { if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
$this->set_array_meta( $key, $value, $customer, $group ); }
/** * Sets a field value in an array meta, supporting routing things to billing, shipping, or additional fields, based on a prefix for the key. * * @param string $key The field key. * @param mixed $value The field value. * @param WC_Customer|WC_Order $wc_object The object to set the field value for. * @param string $group The group to set the field value for (shipping|billing|other). * * @return void */ private function set_array_meta( string $key, $value, WC_Data $wc_object, string $group ) { $meta_key = self::get_group_key( $group ) . $key;
/** * Allow reacting for saving an additional field value. * * @param string $key The key of the field being saved. * @param mixed $value The value of the field being saved. * @param string $group The group of this location (shipping|billing|other). * @param WC_Customer|WC_Order $wc_object The object to set the field value for. * * @since 8.9.0 */ do_action( 'woocommerce_set_additional_field_value', $key, $value, $group, $wc_object ); // Convert boolean values to strings because Data Stores will skip false values. if ( is_bool( $value ) ) { $value = $value ? '1' : '0'; } // Replacing all meta using `add_meta_data`. For some reason `update_meta_data` causes duplicate keys. $wc_object->add_meta_data( $meta_key, $value, true ); }
/** * Returns a field value for a given object. * * @param string $key The field key. * @param WC_Customer|WC_Order $wc_object The customer or order to get the field value for. * @param string $group The group to get the field value for (shipping|billing|other). * * @return mixed The field value. */ public function get_field_from_object( string $key, WC_Data $wc_object, string $group = 'other' ) { if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
$meta_key = self::get_group_key( $group ) . $key;
$value = $wc_object->get_meta( $meta_key, true );
if ( ! $value && '0' !== $value ) { /** * Allow providing a default value for additional fields if no value is already set. * * @param null $value The default value for the filter, always null. * @param string $group The group of this key (shipping|billing|other). * @param WC_Data $wc_object The object to get the field value for. * * @since 8.9.0 */ $value = apply_filters( "woocommerce_get_default_value_for_{$key}", null, $group, $wc_object ); }
// We cast the value to a boolean if the field is a checkbox. if ( $this->is_field( $key ) && 'checkbox' === $this->additional_fields[ $key ]['type'] ) { return '1' === $value; }
if ( null === $value ) { return ''; }
return $value; }
/** * Returns an array of all fields values for a given object in a group. * * @param WC_Data $wc_object The object or order to get the fields for. * @param string $group The group to get the fields for (shipping|billing|other). * @param bool $all Whether to return all fields or only the ones that are still registered. Default false. * * @return array An array of fields. */ public function get_all_fields_from_object( WC_Data $wc_object, string $group = 'other', bool $all = false ) { if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
$meta_data = [];
$prefix = self::get_group_key( $group );
if ( $wc_object instanceof WC_Data ) { $meta = $wc_object->get_meta_data(); foreach ( $meta as $meta_data_object ) { if ( 0 === \strpos( $meta_data_object->key, $prefix ) ) { $key = \str_replace( $prefix, '', $meta_data_object->key ); if ( $all || $this->is_field( $key ) ) { $meta_data[ $key ] = $meta_data_object->value; } } } }
$missing_fields = array_diff( array_keys( $this->get_fields_for_group( $group ) ), array_keys( $meta_data ) );
foreach ( $missing_fields as $missing_field ) { /** * Allow providing a default value for additional fields if no value is already set. * * @param null $value The default value for the filter, always null. * @param string $group The group of this key (shipping|billing|other). * @param WC_Data $wc_object The object to get the field value for. * * @since 8.9.0 */ $value = apply_filters( "woocommerce_get_default_value_for_{$missing_field}", null, $group, $wc_object );
if ( isset( $value ) ) { $meta_data[ $missing_field ] = $value; } }
return $meta_data; }
/** * Copies additional fields from an order to a customer. * * @param WC_Order $order The order to sync the fields for. * @param WC_Customer $customer The customer to sync the fields for. */ public function sync_customer_additional_fields_with_order( WC_Order $order, WC_Customer $customer ) { foreach ( $this->groups as $group ) { $order_additional_fields = $this->get_all_fields_from_object( $order, $group, true );
// Sync customer additional fields with order additional fields. foreach ( $order_additional_fields as $key => $value ) { if ( $this->is_customer_field( $key ) ) { $this->persist_field_for_customer( $key, $value, $customer, $group ); } } } }
/** * Copies additional fields from a customer to an order. * * @param WC_Order $order The order to sync the fields for. * @param WC_Customer $customer The customer to sync the fields for. */ public function sync_order_additional_fields_with_customer( WC_Order $order, WC_Customer $customer ) { foreach ( $this->groups as $group ) { $customer_additional_fields = $this->get_all_fields_from_object( $customer, $group, true );
// Sync order additional fields with customer additional fields. foreach ( $customer_additional_fields as $key => $value ) { if ( $this->is_field( $key ) ) { $this->persist_field_for_order( $key, $value, $order, $group, false ); } } } } /** * From a set of fields, returns only the ones for a given location. * * @param array $fields The fields to filter. * @param string $location The location to validate the field for (address|contact|order). * @return array The filtered fields. */ public function filter_fields_for_location( array $fields, string $location ) { if ( 'additional' === $location ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $location = 'order'; }
return array_filter( $fields, function ( $key ) use ( $location ) { return $this->is_field( $key ) && $this->get_field_location( $key ) === $location; }, ARRAY_FILTER_USE_KEY ); }
/** * Filter fields for order confirmation. * * @param array $fields The fields to filter. * @return array The filtered fields. */ public function filter_fields_for_order_confirmation( $fields ) { return array_filter( $fields, function ( $field ) { return ! empty( $field['show_in_order_confirmation'] ); } ); }
/** * Get additional fields for an order. * * @param WC_Order $order Order object. * @param string $location The location to get fields for (address|contact|order). * @param string $group The group to get the field value for (shipping|billing|other). * @param string $context The context to get the field value for (edit|view). * @return array An array of fields definitions as well as their values formatted for display. */ public function get_order_additional_fields_with_values( WC_Order $order, string $location, string $group = 'other', string $context = 'edit' ) {
// Because the Additional Checkout Fields API only applies to orders created with Store API, we should not // return any values unless it was created using Store API. This is mainly to prevent "empty" checkbox values // from being shown on the order confirmation page for orders placed using the shortcode. It's rare that this // will happen but not impossible. if ( 'store-api' !== $order->get_created_via() ) { return []; }
if ( 'additional' === $location ) { wc_deprecated_argument( 'location', '8.9.0', 'The "additional" location is deprecated. Use "order" instead.' ); $location = 'order'; }
if ( 'additional' === $group ) { wc_deprecated_argument( 'group', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group = 'other'; }
$fields = $this->get_fields_for_location( $location ); $fields_with_values = [];
foreach ( $fields as $field_key => $field ) { $value = $this->get_field_from_object( $field_key, $order, $group );
if ( '' === $value || null === $value ) { continue; }
if ( 'view' === $context ) { $value = $this->format_additional_field_value( $value, $field ); }
$field['value'] = $value; $fields_with_values[ $field_key ] = $field; }
return $fields_with_values; }
/** * Formats a raw field value for display based on its type definition. * * @param string $value Value to format. * @param array $field Additional field definition. * @return string */ public function format_additional_field_value( $value, $field ) { if ( 'checkbox' === $field['type'] ) { $value = $value ? __( 'Yes', 'woocommerce' ) : __( 'No', 'woocommerce' ); }
if ( 'select' === $field['type'] ) { $options = array_column( $field['options'], 'label', 'value' ); $value = isset( $options[ $value ] ) ? $options[ $value ] : $value; }
return $value; }
/** * Returns a group meta prefix based on its name. * * @param string $group_name The group name (billing|shipping|other). * @return string The group meta prefix. */ public static function get_group_key( $group_name ) { if ( 'additional' === $group_name ) { wc_deprecated_argument( 'group_name', '8.9.0', 'The "additional" group is deprecated. Use "other" instead.' ); $group_name = 'other'; }
if ( 'billing' === $group_name ) { return self::BILLING_FIELDS_PREFIX; } if ( 'shipping' === $group_name ) { return self::SHIPPING_FIELDS_PREFIX; } return self::OTHER_FIELDS_PREFIX; }
/** * Returns a group name based on passed group key. * * @param string $group_key The group name (_wc_billing|_wc_shipping|_wc_other). * @return string The group meta prefix. */ public static function get_group_name( $group_key ) { if ( '_wc_additional' === $group_key ) { wc_deprecated_argument( 'group_key', '8.9.0', 'The "_wc_additional" group key is deprecated. Use "_wc_other" instead.' ); $group_key = '_wc_other'; }
if ( 0 === \strpos( self::BILLING_FIELDS_PREFIX, $group_key ) ) { return 'billing'; } if ( 0 === \strpos( self::SHIPPING_FIELDS_PREFIX, $group_key ) ) { return 'shipping'; } return 'other'; } }
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