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<?php
/**
* Represents a product attribute
*
* Attributes can be global (taxonomy based) or local to the product itself.
* Uses ArrayAccess to be BW compatible with previous ways of reading attributes.
*
* @package WooCommerce\Classes
* @version 3.0.0
* @since 3.0.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Product attribute class.
*/
class WC_Product_Attribute implements ArrayAccess {
/**
* Data array.
*
* @since 3.0.0
* @var array
*/
protected $data = array(
'id' => 0,
'name' => '',
'options' => array(),
'position' => 0,
'visible' => false,
'variation' => false,
);
/**
* Return if this attribute is a taxonomy.
*
* @return boolean
*/
public function is_taxonomy() {
return 0 < $this->get_id();
}
/**
* Get taxonomy name if applicable.
*
* @return string
*/
public function get_taxonomy() {
return $this->is_taxonomy() ? $this->get_name() : '';
}
/**
* Get taxonomy object.
*
* @return array|null
*/
public function get_taxonomy_object() {
global $wc_product_attributes;
return $this->is_taxonomy() ? $wc_product_attributes[ $this->get_name() ] : null;
}
/**
* Gets terms from the stored options.
*
* @return array|null
*/
public function get_terms() {
if ( ! $this->is_taxonomy() || ! taxonomy_exists( $this->get_name() ) ) {
return null;
}
$terms = array();
foreach ( $this->get_options() as $option ) {
if ( is_int( $option ) ) {
$term = get_term_by( 'id', $option, $this->get_name() );
} else {
// Term names get escaped in WP. See sanitize_term_field.
$term = get_term_by( 'name', $option, $this->get_name() );
if ( ! $term || is_wp_error( $term ) ) {
$new_term = wp_insert_term( $option, $this->get_name() );
$term = is_wp_error( $new_term ) ? false : get_term_by( 'id', $new_term['term_id'], $this->get_name() );
}
}
if ( $term && ! is_wp_error( $term ) ) {
$terms[] = $term;
}
}
return $terms;
}
/**
* Gets slugs from the stored options, or just the string if text based.
*
* @return array
*/
public function get_slugs() {
if ( ! $this->is_taxonomy() || ! taxonomy_exists( $this->get_name() ) ) {
return $this->get_options();
}
$terms = array();
foreach ( $this->get_options() as $option ) {
if ( is_int( $option ) ) {
$term = get_term_by( 'id', $option, $this->get_name() );
} else {
$term = get_term_by( 'name', $option, $this->get_name() );
if ( ! $term || is_wp_error( $term ) ) {
$new_term = wp_insert_term( $option, $this->get_name() );
$term = is_wp_error( $new_term ) ? false : get_term_by( 'id', $new_term['term_id'], $this->get_name() );
}
}
if ( $term && ! is_wp_error( $term ) ) {
$terms[] = $term->slug;
}
}
return $terms;
}
/**
* Returns all data for this object.
*
* @return array
*/
public function get_data() {
return array_merge(
$this->data,
array(
'is_visible' => $this->get_visible() ? 1 : 0,
'is_variation' => $this->get_variation() ? 1 : 0,
'is_taxonomy' => $this->is_taxonomy() ? 1 : 0,
'value' => $this->is_taxonomy() ? '' : wc_implode_text_attributes( $this->get_options() ),
)
);
}
/*
|--------------------------------------------------------------------------
| Setters
|--------------------------------------------------------------------------
*/
/**
* Set ID (this is the attribute ID).
*
* @param int $value Attribute ID.
*/
public function set_id( $value ) {
$this->data['id'] = absint( $value );
}
/**
* Set name (this is the attribute name or taxonomy).
*
* @param string $value Attribute name.
*/
public function set_name( $value ) {
$this->data['name'] = $value;
}
/**
* Set options.
*
* @param array $value Attribute options.
*/
public function set_options( $value ) {
$this->data['options'] = $value;
}
/**
* Set position.
*
* @param int $value Attribute position.
*/
public function set_position( $value ) {
$this->data['position'] = absint( $value );
}
/**
* Set if visible.
*
* @param bool $value If is visible on Product's additional info tab.
*/
public function set_visible( $value ) {
$this->data['visible'] = wc_string_to_bool( $value );
}
/**
* Set if variation.
*
* @param bool $value If is used for variations.
*/
public function set_variation( $value ) {
$this->data['variation'] = wc_string_to_bool( $value );
}
/*
|--------------------------------------------------------------------------
| Getters
|--------------------------------------------------------------------------
*/
/**
* Get the ID.
*
* @return int
*/
public function get_id() {
return $this->data['id'];
}
/**
* Get name.
*
* @return string
*/
public function get_name() {
return $this->data['name'];
}
/**
* Get options.
*
* @return array
*/
public function get_options() {
return $this->data['options'];
}
/**
* Get position.
*
* @return int
*/
public function get_position() {
return $this->data['position'];
}
/**
* Get if visible.
*
* @return bool
*/
public function get_visible() {
return $this->data['visible'];
}
/**
* Get if variation.
*
* @return bool
*/
public function get_variation() {
return $this->data['variation'];
}
/*
|--------------------------------------------------------------------------
| ArrayAccess/Backwards compatibility.
|--------------------------------------------------------------------------
*/
/**
* OffsetGet.
*
* @param string $offset Offset.
* @return mixed
*/
#[\ReturnTypeWillChange]
public function offsetGet( $offset ) {
switch ( $offset ) {
case 'is_variation':
return $this->get_variation() ? 1 : 0;
case 'is_visible':
return $this->get_visible() ? 1 : 0;
case 'is_taxonomy':
return $this->is_taxonomy() ? 1 : 0;
case 'value':
return $this->is_taxonomy() ? '' : wc_implode_text_attributes( $this->get_options() );
default:
if ( is_callable( array( $this, "get_$offset" ) ) ) {
return $this->{"get_$offset"}();
}
break;
}
return '';
}
/**
* OffsetSet.
*
* @param string $offset Offset.
* @param mixed $value Value.
*/
#[\ReturnTypeWillChange]
public function offsetSet( $offset, $value ) {
switch ( $offset ) {
case 'is_variation':
$this->set_variation( $value );
break;
case 'is_visible':
$this->set_visible( $value );
break;
case 'value':
$this->set_options( $value );
break;
default:
if ( is_callable( array( $this, "set_$offset" ) ) ) {
$this->{"set_$offset"}( $value );
}
break;
}
}
/**
* OffsetUnset.
*
* @param string $offset Offset.
*/
#[\ReturnTypeWillChange]
public function offsetUnset( $offset ) {}
/**
* OffsetExists.
*
* @param string $offset Offset.
* @return bool
*/
#[\ReturnTypeWillChange]
public function offsetExists( $offset ) {
return in_array( $offset, array_merge( array( 'is_variation', 'is_visible', 'is_taxonomy', 'value' ), array_keys( $this->data ) ), true );
}
}