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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Indexables
*/
/**
* Class WPSEO_Indexable.
*/
abstract class WPSEO_Indexable {
/**
* The updateable fields.
*
* @var array
*/
protected $updateable_fields = [];
/**
* The indexable's data.
*
* @var array
*/
protected $data;
/**
* The available validators to run.
*
* @var array
*/
protected $validators = [
'WPSEO_Object_Type_Validator',
'WPSEO_Link_Validator',
'WPSEO_Keyword_Validator',
'WPSEO_Meta_Values_Validator',
'WPSEO_OpenGraph_Validator',
'WPSEO_Robots_Validator',
'WPSEO_Twitter_Validator',
];
/**
* Indexable constructor.
*
* @param array $data The data to use to construct the indexable.
*/
public function __construct( $data ) {
$this->validate_data( $data );
$this->data = $data;
}
/**
* Converts the meta value to a boolean value.
*
* @param string $value The value to convert.
*
* @return bool|null The converted value.
*/
protected static function get_robots_noindex_value( $value ) {
if ( $value === '1' ) {
return true;
}
if ( $value === '2' ) {
return false;
}
return null;
}
/**
* Determines whether the advanced robot metas value contains the passed value.
*
* @param int $object_id The ID of the object to check.
* @param string $value The name of the advanced robots meta value to look for.
*
* @return bool Whether or not the advanced robots meta values contains the passed string.
*/
protected static function has_advanced_meta_value( $object_id, $value ) {
return strpos( WPSEO_Meta::get_value( 'meta-robots-adv', $object_id ), $value ) !== false;
}
/**
* Validates the data.
*
* @param array $data The data to validate.
*
* @return bool True if all validators have successfully validated.
*/
protected function validate_data( $data ) {
foreach ( $this->validators as $validator ) {
// This is necessary to run under PHP 5.2.
$validator_instance = new $validator();
$validator_instance->validate( $data );
}
return true;
}
/**
* Updates the data and returns a new instance.
*
* @param array $data The data to update into a new instance.
*
* @return WPSEO_Indexable A new instance with the updated data.
*/
abstract public function update( $data );
/**
* Filters out data that isn't considered updateable and returns a valid dataset.
*
* @param array $data The dataset to filter.
*
* @return array The updateable dataset.
*/
public function filter_updateable_data( $data ) {
return array_intersect_key( $data, array_flip( $this->updateable_fields ) );
}
/**
* Returns the data as an array.
*
* @return array The data as an array.
*/
public function to_array() {
return $this->data;
}
}