0cU = PdU P A 0cU = PdU P A PdU ` A PscU P < P fU P ` u ocU < 0cU p = PdU ` P A 0cU P = PdU @ P A PdU 0 ` A PscU p < P fU p ` u ocU < 0cU
= PdU
P A 0cU
( = PdU
P A PdU
` A PscU < P fU ` u ocU < 0cU
0 = PdU
P A 0cU 8 = PdU P A PdU ` A PscU < P fU ` u ocU < 0cU ` @ = PdU P P A 0cU @ H = PdU 0 P A PdU ` A PscU < P fU ` u ocU < 0cU P = PdU P A 0cU X = PdU P A PdU p ` A PscU < P fU ` u ocU < 0cU ` = PdU
P A 0cU
h = PdU
P A PdU
` A PscU < P fU ` u ocU < 0cU P
p = PdU @
P A 0cU 0
x = PdU
P A PdU
` A PscU 0 < P fU 0 ` u ocU < 0cU = PdU P A 0cU = PdU p P A PdU ` ` A PscU P < P fU P ` u ocU < 0cU = PdU P A 0cU = PdU P A PdU ` A PscU p < P fU p ` u ocU < cU @ > eU$ P$ Q@ P$ @eU$ peU$ P$ Q@ U$ eU$ eU$ @P$ Q@ U$ fU$ 0fU$ U$ Q@ PU$ `fU$ fU$ P$ Q@ tN$ fU$ fU$ U$ Q@ pP$ gU$ PgU$ P$ Q@ ` V$ gU$ gU$ P$ Q@ @P$ gU$ hU$ U$ Q@ @U$ @hU$ phU$ P$ Q@ U$ hU$ hU$ P$ Q@ @w$ iU$ 0iU$ P$ Q@ U$ `iU$ iU$ @P$ Q@ P$ iU$ iU$ 0U$ Q@ P$ jU$ PjU$ P$ Q@
W$ jU$ jU$ P$ Q@ U$ jU$ kU$ U$ Q@ U$ @kU$ pkU$ @P$ Q@ U$ kU$ kU$ pU$ Q@ wN$ r_term = $this->get_children_for_term( $indexable->object_id, $child_indexables );
\array_walk( $child_indexables_for_term, [ $this, 'update_hierarchy_and_permalink' ] );
}
return true;
}
/**
* Finds all child indexables for the given term.
*
* @param int $term_id Term to fetch the indexable for.
* @param Indexable[] $child_indexables The already known child indexables.
*
* @return array The list of additional child indexables for a given term.
*/
public function get_children_for_term( $term_id, array $child_indexables ) {
// Finds object_ids (posts) for the term.
$post_object_ids = $this->get_object_ids_for_term( $term_id, $child_indexables );
// Removes the objects that are already present in the children.
$existing_post_indexables = \array_filter(
$child_indexables,
static function( $indexable ) {
return $indexable->object_type === 'post';
}
);
$existing_post_object_ids = \wp_list_pluck( $existing_post_indexables, 'object_id' );
$post_object_ids = \array_diff( $post_object_ids, $existing_post_object_ids );
// Finds the indexables for the fetched post_object_ids.
$post_indexables = $this->indexable_repository->find_by_multiple_ids_and_type( $post_object_ids, 'post', false );
// Finds the indexables for the posts that are attached to the term.
$post_indexable_ids = \wp_list_pluck( $post_indexables, 'id' );
$additional_indexable_ids = $this->indexable_hierarchy_repository->find_children_by_ancestor_ids( $post_indexable_ids );
// Makes sure we only have indexable id's that we haven't fetched before.
$additional_indexable_ids = \array_diff( $additional_indexable_ids, $post_indexable_ids );
// Finds the additional indexables.
$additional_indexables = $this->indexable_repository->find_by_ids( $additional_indexable_ids );
// Merges all fetched indexables.
return \array_merge( $post_indexables, $additional_indexables );
}
/**
* Updates the indexable hierarchy and indexable permalink.
*
* @param Indexable $indexable The indexable to update the hierarchy and permalink for.
*/
protected function update_hierarchy_and_permalink( $indexable ) {
if ( \is_a( $indexable, Indexable::class ) ) {
$this->indexable_hierarchy_builder->build( $indexable );
$indexable->permalink = $this->permalink_helper->get_permalink_for_indexable( $indexable );
$indexable->save();
}
}
/**
* Retrieves the object id's for a term based on the term-post relationship.
*
* @param int $term_id The term to get the object id's for.
* @param Indexable[] $child_indexables The child indexables.
*
* @return array List with object ids for the term.
*/
protected function get_object_ids_for_term( $term_id, $child_indexables ) {
$filter_terms = static function( $child ) {
return $child->object_type === 'term';
};
$child_terms = \array_filter( $child_indexables, $filter_terms );
$child_object_ids = \wp_list_pluck( $child_terms, 'object_id' );
// Get the term-taxonomy id's for the term and its children.
$term_taxonomy_ids = $this->wpdb->get_col(
$this->wpdb->prepare(
'SELECT term_taxonomy_id
FROM ' . $this->wpdb->term_taxonomy . '
WHERE term_id IN( ' . \implode( ', ', \array_fill( 0, ( \count( $child_object_ids ) + 1 ), '%s' ) ) . ' )',
$term_id,
...$child_object_ids
)
);
// In the case of faulty data having been saved the above query can return 0 results.
if ( empty( $term_taxonomy_ids ) ) {
return [];
}
// Get the (post) object id's that are attached to the term.
return $this->wpdb->get_col(
$this->wpdb->prepare(
'SELECT DISTINCT object_id
FROM ' . $this->wpdb->term_relationships . '
WHERE term_taxonomy_id IN( ' . \implode( ', ', \array_fill( 0, \count( $term_taxonomy_ids ), '%s' ) ) . ' )',
...$term_taxonomy_ids
)
);
}
}
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