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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
/**
* Abstract class to force methods in recalculate classes.
*/
abstract class WPSEO_Recalculate {
/**
* Recalculations per page.
*
* @var int
*/
protected $items_per_page = 20;
/**
* Saves the array with scores to the database.
*
* @param array $scores Array with the score for each item.
*/
abstract public function save_scores( array $scores );
/**
* Gets the items and parses it to an response.
*
* @param integer $paged The current page number.
*
* @return string
*/
abstract protected function get_items( $paged );
/**
* Maps the items to an array for the response.
*
* @param mixed $item Object with data to parse.
*
* @return array
*/
abstract protected function item_to_response( $item );
/**
* Gets the items to recalculate.
*
* @param int $paged The current page number.
*
* @return array Items that can be recalculated.
*/
public function get_items_to_recalculate( $paged ) {
$return = [];
$paged = abs( $paged );
$items = $this->get_items( $paged );
$return['items'] = $this->parse_items( $items );
$return['total_items'] = count( $items );
if ( $return['total_items'] >= $this->items_per_page ) {
$return['next_page'] = ( $paged + 1 );
}
return $return;
}
/**
* Parse the posts|terms with the value we need.
*
* @param array $items The items to parse.
*
* @return array
*/
protected function parse_items( array $items ) {
$return = [];
foreach ( $items as $item ) {
$response = $this->item_to_response( $item );
if ( ! empty( $response ) ) {
$return[] = $response;
}
}
return $return;
}
/**
* Get default from the options for given field.
*
* @param string $field The field for which to get the default options.
* @param string $suffix The post type.
*
* @return bool|string
*/
protected function default_from_options( $field, $suffix ) {
$target_option_field = $field . '-' . $suffix;
if ( WPSEO_Options::get( $target_option_field, '' ) !== '' ) {
return WPSEO_Options::get( $target_option_field );
}
return false;
}
}