File "class-import-wpseo.php"
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<?php
/**
* File with the class to handle data from wpSEO.de.
*
* @package WPSEO\Admin\Import\Plugins
*/
/**
* Class WPSEO_Import_WPSEO.
*
* Class with functionality to import & clean wpSEO.de post metadata.
*/
class WPSEO_Import_WPSEO extends WPSEO_Plugin_Importer {
/**
* The plugin name.
*
* @var string
*/
protected $plugin_name = 'wpSEO.de';
/**
* Meta key, used in SQL LIKE clause for delete query.
*
* @var string
*/
protected $meta_key = '_wpseo_edit_%';
/**
* Array of meta keys to detect and import.
*
* @var array
*/
protected $clone_keys = [
[
'old_key' => '_wpseo_edit_description',
'new_key' => 'metadesc',
],
[
'old_key' => '_wpseo_edit_title',
'new_key' => 'title',
],
[
'old_key' => '_wpseo_edit_canonical',
'new_key' => 'canonical',
],
[
'old_key' => '_wpseo_edit_og_title',
'new_key' => 'opengraph-title',
],
[
'old_key' => '_wpseo_edit_og_description',
'new_key' => 'opengraph-description',
],
[
'old_key' => '_wpseo_edit_og_image',
'new_key' => 'opengraph-image',
],
[
'old_key' => '_wpseo_edit_twittercard_title',
'new_key' => 'twitter-title',
],
[
'old_key' => '_wpseo_edit_twittercard_description',
'new_key' => 'twitter-description',
],
[
'old_key' => '_wpseo_edit_twittercard_image',
'new_key' => 'twitter-image',
],
];
/**
* The values 1 - 6 are the configured values from wpSEO. This array will map the values of wpSEO to our values.
*
* There are some double array like 1-6 and 3-4. The reason is they only set the index value. The follow value is
* the default we use in the cases there isn't a follow value present.
*
* @var array
*/
private $robot_values = [
// In wpSEO: index, follow.
1 => [
'index' => 2,
'follow' => 0,
],
// In wpSEO: index, nofollow.
2 => [
'index' => 2,
'follow' => 1,
],
// In wpSEO: noindex.
3 => [
'index' => 1,
'follow' => 0,
],
// In wpSEO: noindex, follow.
4 => [
'index' => 1,
'follow' => 0,
],
// In wpSEO: noindex, nofollow.
5 => [
'index' => 1,
'follow' => 1,
],
// In wpSEO: index.
6 => [
'index' => 2,
'follow' => 0,
],
];
/**
* Imports wpSEO settings.
*
* @return bool Import success status.
*/
protected function import() {
$status = parent::import();
if ( $status ) {
$this->import_post_robots();
$this->import_taxonomy_metas();
}
return $status;
}
/**
* Removes wpseo.de post meta's.
*
* @return bool Cleanup status.
*/
protected function cleanup() {
$this->cleanup_term_meta();
$result = $this->cleanup_post_meta();
return $result;
}
/**
* Detects whether there is post meta data to import.
*
* @return bool Boolean indicating whether there is something to import.
*/
protected function detect() {
if ( parent::detect() ) {
return true;
}
global $wpdb;
$count = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->options} WHERE option_name LIKE 'wpseo_category_%'" );
if ( $count !== '0' ) {
return true;
}
return false;
}
/**
* Imports the robot values from WPSEO plugin. These have to be converted to the Yoast format.
*
* @return void
*/
private function import_post_robots() {
$query_posts = new WP_Query( 'post_type=any&meta_key=_wpseo_edit_robots&order=ASC&fields=ids&nopaging=true' );
if ( ! empty( $query_posts->posts ) ) {
foreach ( array_values( $query_posts->posts ) as $post_id ) {
$this->import_post_robot( $post_id );
}
}
}
/**
* Gets the wpSEO robot value and map this to Yoast SEO values.
*
* @param int $post_id The post id of the current post.
*
* @return void
*/
private function import_post_robot( $post_id ) {
$wpseo_robots = get_post_meta( $post_id, '_wpseo_edit_robots', true );
$robot_value = $this->get_robot_value( $wpseo_robots );
// Saving the new meta values for Yoast SEO.
$this->maybe_save_post_meta( 'meta-robots-noindex', $robot_value['index'], $post_id );
$this->maybe_save_post_meta( 'meta-robots-nofollow', $robot_value['follow'], $post_id );
}
/**
* Imports the taxonomy metas from wpSEO.
*
* @return void
*/
private function import_taxonomy_metas() {
$terms = get_terms(
[
'taxonomy' => get_taxonomies(),
'hide_empty' => false,
]
);
$tax_meta = get_option( 'wpseo_taxonomy_meta' );
foreach ( $terms as $term ) {
$this->import_taxonomy_description( $tax_meta, $term->taxonomy, $term->term_id );
$this->import_taxonomy_robots( $tax_meta, $term->taxonomy, $term->term_id );
}
update_option( 'wpseo_taxonomy_meta', $tax_meta );
}
/**
* Imports the meta description to Yoast SEO.
*
* @param array $tax_meta The array with the current metadata.
* @param string $taxonomy String with the name of the taxonomy.
* @param string $term_id The ID of the current term.
*
* @return void
*/
private function import_taxonomy_description( &$tax_meta, $taxonomy, $term_id ) {
$description = get_option( 'wpseo_' . $taxonomy . '_' . $term_id, false );
if ( $description !== false ) {
// Import description.
$tax_meta[ $taxonomy ][ $term_id ]['wpseo_desc'] = $description;
}
}
/**
* Imports the robot value to Yoast SEO.
*
* @param array $tax_meta The array with the current metadata.
* @param string $taxonomy String with the name of the taxonomy.
* @param string $term_id The ID of the current term.
*
* @return void
*/
private function import_taxonomy_robots( &$tax_meta, $taxonomy, $term_id ) {
$wpseo_robots = get_option( 'wpseo_' . $taxonomy . '_' . $term_id . '_robots', false );
if ( $wpseo_robots === false ) {
return;
}
// The value 1, 2 and 6 are the index values in wpSEO.
$new_robot_value = 'noindex';
if ( in_array( (int) $wpseo_robots, [ 1, 2, 6 ], true ) ) {
$new_robot_value = 'index';
}
$tax_meta[ $taxonomy ][ $term_id ]['wpseo_noindex'] = $new_robot_value;
}
/**
* Deletes the wpSEO taxonomy meta data.
*
* @param string $taxonomy String with the name of the taxonomy.
* @param string $term_id The ID of the current term.
*
* @return void
*/
private function delete_taxonomy_metas( $taxonomy, $term_id ) {
delete_option( 'wpseo_' . $taxonomy . '_' . $term_id );
delete_option( 'wpseo_' . $taxonomy . '_' . $term_id . '_robots' );
}
/**
* Gets the robot config by given wpSEO robots value.
*
* @param string $wpseo_robots The value in wpSEO that needs to be converted to the Yoast format.
*
* @return string The correct robot value.
*/
private function get_robot_value( $wpseo_robots ) {
if ( array_key_exists( $wpseo_robots, $this->robot_values ) ) {
return $this->robot_values[ $wpseo_robots ];
}
return $this->robot_values[1];
}
/**
* Deletes wpSEO postmeta from the database.
*
* @return bool Cleanup status.
*/
private function cleanup_post_meta() {
global $wpdb;
// If we get to replace the data, let's do some proper cleanup.
return $wpdb->query( "DELETE FROM {$wpdb->postmeta} WHERE meta_key LIKE '_wpseo_edit_%'" );
}
/**
* Cleans up the wpSEO term meta.
*
* @return void
*/
private function cleanup_term_meta() {
$terms = get_terms(
[
'taxonomy' => get_taxonomies(),
'hide_empty' => false,
]
);
foreach ( $terms as $term ) {
$this->delete_taxonomy_metas( $term->taxonomy, $term->term_id );
}
}
}