627 lines
14 KiB
PHP
627 lines
14 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Abstract WC Data Class
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*
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* Implemented by classes using the same CRUD(s) pattern.
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*
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* @version 2.6.0
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* @package WooCommerce/Abstracts
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* @category Abstract Class
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* @author WooThemes
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*/
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abstract class WC_Data {
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/**
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* ID for this object.
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*
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* @since 2.7.0
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* @var int
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*/
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protected $id = 0;
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/**
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* Core data for this object. Name value pairs (name + default value).
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*
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* @since 2.7.0
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* @var array
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*/
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protected $data = array();
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/**
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* Core data changes for this object.
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*
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* @since 2.7.0
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* @var array
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*/
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protected $changes = array();
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/**
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* This is false until the object is read from the DB.
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*
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* @since 2.7.0
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* @var bool
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*/
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protected $object_read = false;
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/**
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* This is the name of this object type.
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*
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* @since 2.7.0
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* @var string
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*/
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protected $object_type = 'data';
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/**
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* Extra data for this object. Name value pairs (name + default value).
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* Used as a standard way for sub classes (like product types) to add
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* additional information to an inherited class.
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*
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* @since 2.7.0
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* @var array
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*/
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protected $extra_data = array();
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/**
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* Set to _data on construct so we can track and reset data if needed.
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*
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* @since 2.7.0
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* @var array
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*/
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protected $default_data = array();
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/**
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* Contains a reference to the data store for this class.
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*
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* @since 2.7.0
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* @var object
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*/
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protected $data_store;
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/**
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* Stores meta in cache for future reads.
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* A group must be set to to enable caching.
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*
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* @since 2.7.0
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* @var string
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*/
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protected $cache_group = '';
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/**
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* Stores additonal meta data.
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*
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* @since 2.7.0
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* @var array
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*/
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protected $meta_data = null;
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/**
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* Default constructor.
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*
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* @param int|object|array $read ID to load from the DB (optional) or already queried data.
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*/
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public function __construct( $read = 0 ) {
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$this->data = array_merge( $this->data, $this->extra_data );
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$this->default_data = $this->data;
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}
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/**
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* Get the data store.
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*
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* @since 2.7.0
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* @return object
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*/
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public function get_data_store() {
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return $this->data_store;
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}
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/**
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* Returns the unique ID for this object.
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*
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* @since 2.6.0
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* @return int
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*/
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public function get_id() {
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return $this->id;
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}
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/**
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* Delete an object, set the ID to 0, and return result.
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*
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* @since 2.6.0
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* @param bool $force_delete
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* @return bool result
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*/
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public function delete( $force_delete = false ) {
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if ( $this->data_store ) {
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$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
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$this->set_id( 0 );
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return true;
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}
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return false;
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}
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/**
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* Save should create or update based on object existance.
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*
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* @since 2.6.0
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* @return int
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*/
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public function save() {
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if ( $this->data_store ) {
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// Trigger action before saving to the DB. Allows you to adjust object props before save.
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do_action( 'woocommerce_before_' . $this->object_type . '_object_save', $this, $this->data_store );
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if ( $this->get_id() ) {
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$this->data_store->update( $this );
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} else {
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$this->data_store->create( $this );
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}
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return $this->get_id();
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}
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}
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/**
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* Change data to JSON format.
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*
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* @since 2.6.0
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* @return string Data in JSON format.
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*/
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public function __toString() {
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return json_encode( $this->get_data() );
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}
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/**
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* Returns all data for this object.
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*
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* @since 2.6.0
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* @return array
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*/
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public function get_data() {
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return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
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}
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/**
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* Returns array of expected data keys for this object.
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*
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* @since 2.7.0
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* @return array
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*/
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public function get_data_keys() {
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return array_keys( $this->data );
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}
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/**
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* Returns all "extra" data keys for an object (for sub objects like product types).
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*
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* @since 2.7.0
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* @return array
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*/
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public function get_extra_data_keys() {
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return array_keys( $this->extra_data );
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}
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/**
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* Filter null meta values from array.
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*
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* @since 2.7.0
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* @return bool
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*/
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protected function filter_null_meta( $meta ) {
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return ! is_null( $meta->value );
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}
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/**
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* Get All Meta Data.
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*
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* @since 2.6.0
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* @return array
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*/
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public function get_meta_data() {
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$this->maybe_read_meta_data();
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return array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) );
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}
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/**
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* Get Meta Data by Key.
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*
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* @since 2.6.0
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* @param string $key
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* @param bool $single return first found meta with key, or all with $key
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* @param string $context What the value is for. Valid values are view and edit.
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* @return mixed
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*/
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public function get_meta( $key = '', $single = true, $context = 'view' ) {
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$this->maybe_read_meta_data();
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$array_keys = array_keys( wp_list_pluck( $this->get_meta_data(), 'key' ), $key );
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$value = $single ? '' : array();
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if ( ! empty( $array_keys ) ) {
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if ( $single ) {
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$value = $this->meta_data[ current( $array_keys ) ]->value;
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} else {
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$value = array_intersect_key( $this->meta_data, array_flip( $array_keys ) );
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}
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if ( 'view' === $context ) {
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$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
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}
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}
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return $value;
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}
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/**
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* Set all meta data from array.
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*
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* @since 2.6.0
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* @param array $data Key/Value pairs
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*/
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public function set_meta_data( $data ) {
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if ( ! empty( $data ) && is_array( $data ) ) {
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$this->maybe_read_meta_data();
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foreach ( $data as $meta ) {
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$meta = (array) $meta;
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if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
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$this->meta_data[] = (object) array(
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'id' => $meta['id'],
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'key' => $meta['key'],
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'value' => $meta['value'],
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);
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}
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}
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}
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}
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/**
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* Add meta data.
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*
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* @since 2.6.0
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* @param string $key Meta key
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* @param string $value Meta value
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* @param bool $unique Should this be a unique key?
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*/
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public function add_meta_data( $key, $value, $unique = false ) {
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$this->maybe_read_meta_data();
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if ( $unique ) {
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$this->delete_meta_data( $key );
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}
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$this->meta_data[] = (object) array(
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'key' => $key,
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'value' => $value,
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);
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}
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/**
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* Update meta data by key or ID, if provided.
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*
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* @since 2.6.0
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* @param string $key
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* @param string $value
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* @param int $meta_id
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*/
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public function update_meta_data( $key, $value, $meta_id = '' ) {
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$this->maybe_read_meta_data();
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if ( $array_key = $meta_id ? array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id ) : '' ) {
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$this->meta_data[ current( $array_key ) ] = (object) array(
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'id' => $meta_id,
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'key' => $key,
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'value' => $value,
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);
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} else {
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$this->add_meta_data( $key, $value, true );
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}
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}
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/**
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* Delete meta data.
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*
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* @since 2.6.0
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* @param array $key Meta key
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*/
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public function delete_meta_data( $key ) {
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$this->maybe_read_meta_data();
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if ( $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key ) ) {
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foreach ( $array_keys as $array_key ) {
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$this->meta_data[ $array_key ]->value = null;
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}
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}
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}
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/**
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* Delete meta data.
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*
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* @since 2.6.0
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* @param int $mid Meta ID
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*/
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public function delete_meta_data_by_mid( $mid ) {
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$this->maybe_read_meta_data();
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if ( $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $mid ) ) {
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foreach ( $array_keys as $array_key ) {
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$this->meta_data[ $array_key ]->value = null;
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}
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}
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}
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/**
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* Read meta data if null.
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*
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* @since 2.7.0
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*/
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protected function maybe_read_meta_data() {
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if ( is_null( $this->meta_data ) ) {
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$this->read_meta_data();
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}
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}
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/**
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* Read Meta Data from the database. Ignore any internal properties.
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* Uses it's own caches because get_metadata does not provide meta_ids.
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*
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* @since 2.6.0
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* @param bool $force_read True to force a new DB read (and update cache).
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*/
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public function read_meta_data( $force_read = false ) {
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$this->meta_data = array();
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$cache_loaded = false;
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if ( ! $this->get_id() ) {
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return;
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}
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if ( ! $this->data_store ) {
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return;
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}
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if ( ! empty( $this->cache_group ) ) {
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$cache_key = WC_Cache_Helper::get_cache_prefix( $this->cache_group ) . 'object_meta_' . $this->get_id();
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}
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if ( ! $force_read ) {
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if ( ! empty( $this->cache_group ) ) {
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$cached_meta = wp_cache_get( $cache_key, $this->cache_group );
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if ( false !== $cached_meta ) {
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$this->meta_data = $cached_meta;
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$cache_loaded = true;
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}
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}
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}
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if ( ! $cache_loaded ) {
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$raw_meta_data = $this->data_store->read_meta( $this );
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if ( $raw_meta_data ) {
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foreach ( $raw_meta_data as $meta ) {
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$this->meta_data[] = (object) array(
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'id' => (int) $meta->meta_id,
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'key' => $meta->meta_key,
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'value' => maybe_unserialize( $meta->meta_value ),
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);
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}
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if ( ! empty( $this->cache_group ) ) {
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wp_cache_set( $cache_key, $this->meta_data, $this->cache_group );
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}
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}
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}
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}
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/**
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* Update Meta Data in the database.
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*
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* @since 2.6.0
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*/
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public function save_meta_data() {
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if ( ! $this->data_store || is_null( $this->meta_data ) ) {
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return;
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}
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foreach ( $this->meta_data as $array_key => $meta ) {
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if ( is_null( $meta->value ) ) {
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if ( ! empty( $meta->id ) ) {
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$this->data_store->delete_meta( $this, $meta );
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unset( $this->meta_data[ $array_key ] );
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}
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} elseif ( empty( $meta->id ) ) {
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$new_meta_id = $this->data_store->add_meta( $this, $meta );
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$this->meta_data[ $array_key ]->id = $new_meta_id;
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} else {
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$this->data_store->update_meta( $this, $meta );
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}
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}
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if ( ! empty( $this->cache_group ) ) {
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WC_Cache_Helper::incr_cache_prefix( $this->cache_group );
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wp_cache_delete( 'object-' . $this->get_id(), $this->cache_group );
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}
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}
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/**
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* Set ID.
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*
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* @since 2.7.0
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* @param int $id
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*/
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public function set_id( $id ) {
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$this->id = absint( $id );
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}
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/**
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* Set all props to default values.
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*
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* @since 2.7.0
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*/
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public function set_defaults() {
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$this->data = $this->default_data;
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$this->changes = array();
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$this->set_object_read( false );
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}
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/**
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* Set object read property.
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*
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* @since 2.7.0
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* @param boolean $read
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*/
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public function set_object_read( $read = true ) {
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$this->object_read = (bool) $read;
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}
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/**
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* Get object read property.
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*
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* @since 2.7.0
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* @return boolean
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*/
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public function get_object_read() {
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return (bool) $this->object_read;
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}
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/**
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* Set a collection of props in one go, collect any errors, and return the result.
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* Only sets using public methods.
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*
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* @since 2.7.0
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* @param array $props Key value pairs to set. Key is the prop and should map to a setter function name.
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* @return WP_Error|bool
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*/
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public function set_props( $props, $context = 'set' ) {
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$errors = new WP_Error();
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foreach ( $props as $prop => $value ) {
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try {
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if ( 'meta_data' === $prop ) {
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continue;
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}
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$setter = "set_$prop";
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if ( ! is_null( $value ) && is_callable( array( $this, $setter ) ) ) {
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$reflection = new ReflectionMethod( $this, $setter );
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if ( $reflection->isPublic() ) {
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$this->{$setter}( $value );
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}
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}
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} catch ( WC_Data_Exception $e ) {
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$errors->add( $e->getErrorCode(), $e->getMessage() );
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}
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}
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return sizeof( $errors->get_error_codes() ) ? $errors : true;
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}
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/**
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* Sets a prop for a setter method.
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*
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* This stores changes in a special array so we can track what needs saving
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* the the DB later.
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*
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* @since 2.7.0
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* @param string $prop Name of prop to set.
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* @param mixed $value Value of the prop.
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*/
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protected function set_prop( $prop, $value ) {
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if ( array_key_exists( $prop, $this->data ) ) {
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if ( true === $this->object_read ) {
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if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
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$this->changes[ $prop ] = $value;
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}
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} else {
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$this->data[ $prop ] = $value;
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}
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}
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}
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/**
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* Return data changes only.
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*
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* @since 2.7.0
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* @return array
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*/
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public function get_changes() {
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return $this->changes;
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}
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/**
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* Merge changes with data and clear.
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*
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* @since 2.7.0
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*/
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public function apply_changes() {
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$this->data = array_merge( $this->data, $this->changes );
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$this->changes = array();
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}
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/**
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* Prefix for action and filter hooks on data.
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*
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* @since 2.7.0
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* @return string
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*/
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protected function get_hook_prefix() {
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return 'woocommerce_' . $this->object_type . '_get_';
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}
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/**
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* Gets a prop for a getter method.
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*
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* Gets the value from either current pending changes, or the data itself.
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* Context controls what happens to the value before it's returned.
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*
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* @since 2.7.0
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* @param string $prop Name of prop to get.
|
|
* @param string $context What the value is for. Valid values are view and edit.
|
|
* @return mixed
|
|
*/
|
|
protected function get_prop( $prop, $context = 'view' ) {
|
|
$value = null;
|
|
|
|
if ( array_key_exists( $prop, $this->data ) ) {
|
|
$value = isset( $this->changes[ $prop ] ) ? $this->changes[ $prop ] : $this->data[ $prop ];
|
|
|
|
if ( 'view' === $context ) {
|
|
$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
|
|
}
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Sets a date prop whilst handling formatting and datatime objects.
|
|
*
|
|
* @since 2.7.0
|
|
* @param string $prop Name of prop to set.
|
|
* @param string|integer $value Value of the prop.
|
|
*/
|
|
protected function set_date_prop( $prop, $value ) {
|
|
try {
|
|
if ( empty( $value ) ) {
|
|
$datetime = null;
|
|
} elseif ( is_numeric( $value ) ) {
|
|
$datetime = new WC_DateTime( "@{$value}", new DateTimeZone( 'UTC' ) );
|
|
$datetime->setTimezone( new DateTimeZone( wc_timezone_string() ) );
|
|
} else {
|
|
$datetime = new WC_DateTime( $value, new DateTimeZone( wc_timezone_string() ) );
|
|
$datetime->setTimezone( new DateTimeZone( wc_timezone_string() ) );
|
|
}
|
|
$this->set_prop( $prop, $datetime );
|
|
} catch ( Exception $e ) {}
|
|
}
|
|
|
|
/**
|
|
* When invalid data is found, throw an exception unless reading from the DB.
|
|
*
|
|
* @throws WC_Data_Exception
|
|
* @since 2.7.0
|
|
* @param string $code Error code.
|
|
* @param string $message Error message.
|
|
* @param int $http_status_code HTTP status code.
|
|
* @param array $data Extra error data.
|
|
*/
|
|
protected function error( $code, $message, $http_status_code = 400, $data = array() ) {
|
|
throw new WC_Data_Exception( $code, $message, $http_status_code, $data );
|
|
}
|
|
}
|