plugin updates
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<?php
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namespace Yoast\WP\SEO\Premium\Repositories;
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use Yoast\WP\Lib\Model;
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use Yoast\WP\Lib\ORM;
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/**
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* Class Prominent_Words_Repository.
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*/
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class Prominent_Words_Repository {
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/**
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* Class constructor.
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*
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* Empty constructor is necessary for BC.
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*
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* @see \Yoast\WP\SEO\Repositories\Prominent_Words_Repository
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*/
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public function __construct() {
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}
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/**
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* Starts a query for this repository.
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*
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* @return ORM
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*/
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public function query() {
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return Model::of_type( 'Prominent_Words' );
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}
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/**
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* Finds the prominent words for a given post (indexable).
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*
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* @param int $indexable_id The indexable ID.
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*
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* @return array The list of prominent words items found by the indexable id.
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*/
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public function find_by_indexable_id( $indexable_id ) {
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return $this->query()->where( 'indexable_id', $indexable_id )->find_many();
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}
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/**
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* Finds the prominent words based on a list of indexable ids.
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* The method also computes the document frequency of each word and adds it as a separate property on the objects.
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*
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* @param int[] $ids The ids of indexables to get prominent words for.
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*
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* @return array The list of prominent words items found by indexable ids.
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*/
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public function find_by_list_of_ids( $ids ) {
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if ( empty( $ids ) ) {
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return [];
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}
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$prominent_words = $this->query()->where_in( 'indexable_id', $ids )->find_many();
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$prominent_stems = \wp_list_pluck( $prominent_words, 'stem' );
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$document_freqs = $this->query()
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->select( 'stem' )
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->select_expr( 'COUNT(id)', 'count' )
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->where_in( 'stem', $prominent_stems )
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->group_by( 'stem' )
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->find_array();
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$stem_counts = [];
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foreach ( $document_freqs as $document_freq ) {
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$stem_counts[ $document_freq['stem'] ] = $document_freq['count'];
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}
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foreach ( $prominent_words as $prominent_word ) {
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if ( ! \array_key_exists( $prominent_word->stem, $stem_counts ) ) {
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continue;
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}
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$prominent_word->df = (int) $stem_counts[ $prominent_word->stem ];
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}
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return $prominent_words;
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}
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/**
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* Finds all indexable ids which have prominent words with stems from the list.
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*
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* @param array $stems The stems of prominent words to search for.
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* @param int $limit The number of indexable ids to return in 1 call.
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* @param int $page From which page (batch) to begin.
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* @param int[] $excluded_ids The indexable IDs to exclude.
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* @param array $post_type Optional. The list of post types where suggestions may come from.
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* @param bool $only_include_public Optional. Only include public indexables, defaults to false.
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*
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* @return array The list of indexable ids.
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*/
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public function find_ids_by_stems( $stems, $limit, $page, $excluded_ids = [], $post_type = [], $only_include_public = false ) {
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if ( empty( $stems ) ) {
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return [];
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}
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$offset = ( ( $page - 1 ) * $limit );
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$stem_placeholders = \implode( ', ', \array_fill( 0, \count( $stems ), '%s' ) );
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$query = Model::of_type( 'Indexable' )
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->table_alias( 'i' )
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->select( 'id' )
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->where_raw(
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'i.id IN ( SELECT DISTINCT pw.indexable_id FROM ' . Model::get_table_name( 'Prominent_Words' ) . ' pw WHERE pw.stem IN (' . $stem_placeholders . ') )',
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$stems
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)
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->where_raw( '( i.post_status NOT IN ( \'draft\', \'auto-draft\', \'trash\' ) OR i.post_status IS NULL )' )
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->limit( $limit )
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->offset( $offset );
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if ( ! empty( $excluded_ids ) ) {
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$query = $query->where_not_in( 'id', $excluded_ids );
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}
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if ( ! empty( $post_type ) && \is_array( $post_type ) ) {
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$query = $query->where_in( 'object_sub_type', $post_type );
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}
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if ( $only_include_public ) {
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$query = $query->where_raw( '(i.is_public = 1 OR i.is_public is null)' );
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}
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$results = $query->find_array();
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return \wp_list_pluck( $results, 'id' );
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}
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/**
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* Deletes multiple prominent words from the database in one query.
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*
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* @param int $indexable_id The id of the indexable which needs to have
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* some of its prominent words deleted.
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* @param array $outdated_stems The array with to-be-deleted prominent word stems.
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*
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* @return bool Whether the delete was successful.
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*/
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public function delete_by_indexable_id_and_stems( $indexable_id, $outdated_stems ) {
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// Check if the data are of the right format.
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if ( ( ! $indexable_id ) || empty( $outdated_stems ) || ! \is_array( $outdated_stems ) ) {
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return false;
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}
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return $this->query()
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->where( 'indexable_id', $indexable_id )
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->where_in( 'stem', $outdated_stems )
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->delete_many();
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}
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/**
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* Deletes all prominent words for an indexable
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*
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* @param int $indexable_id The id of the indexable which needs to have
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* some of its prominent words deleted.
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*
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* @return bool Whether the deletion was successful.
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*/
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public function delete_by_indexable_id( $indexable_id ) {
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if ( ! $indexable_id ) {
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return false;
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}
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return $this->query()
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->where( 'indexable_id', $indexable_id )
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->delete_many();
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}
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/**
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* Counts the number of documents in which each of the given stems occurs.
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*
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* @param string[] $stems The stems of the words for which to find the document frequencies.
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*
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* @return array The list of stems and their respective document frequencies. Each entry has a 'stem' and a
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* 'document_frequency' parameter.
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*/
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public function count_document_frequencies( $stems ) {
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if ( empty( $stems ) ) {
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return [];
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}
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/*
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* Count in how many documents each stem occurs by querying the database.
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* Returns "Prominent_Words" with two properties: 'stem' and 'document_frequency'.
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*/
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$raw_doc_frequencies = $this->query()
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->select( 'stem' )
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->select_expr( 'COUNT( stem )', 'document_frequency' )
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->where_in( 'stem', $stems )
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->group_by( 'stem' )
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->find_many();
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// We want to change the raw document frequencies into a map mapping stems to document frequency.
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$stems = \array_map(
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static function ( $item ) {
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return $item->stem;
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},
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$raw_doc_frequencies
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);
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$doc_frequencies = \array_fill_keys( $stems, 0 );
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foreach ( $raw_doc_frequencies as $raw_doc_frequency ) {
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$doc_frequencies[ $raw_doc_frequency->stem ] = (int) $raw_doc_frequency->document_frequency;
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}
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return $doc_frequencies;
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}
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}
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