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class-es-wp-query-wrapper.php
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class-es-wp-query-wrapper.php
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<?php
/**
* ES_WP_Query classes: ES_WP_Query_Wrapper class
*
* @package ES_WP_Query
*/
/**
* Elasticsearch replacement for WP_Query
*/
abstract class ES_WP_Query_Wrapper extends WP_Query {
/**
* Mappings between field names and Elasticsearch field keys.
*
* @access protected
* @var array
*/
protected $es_map = array();
/**
* Arguments sent to the Elasticsearch server.
*
* @access public
* @var array
*/
public $es_args;
/**
* The response from the Elasticsearch server for the query.
*
* @access public
* @var array
*/
public $es_response;
/**
* Construct for querying Elasticsearch. Must be implemented in child classes.
*
* @param array $es_args Arguments to pass to the Elasticsearch server.
* @access protected
* @return array The response from the Elasticsearch server.
*/
abstract protected function query_es( $es_args );
/**
* Override default WP_Query->is_main_query() to support
* this conditional when the main query has been overridden
* by this class.
*
* @fixes #38
*
* @return bool
*/
public function is_main_query() {
return $this->get( 'es_is_main_query', false );
}
/**
* Maps a field to its Elasticsearch context.
*
* @param string $field The field to map.
* @access public
* @return string The mapped field identifier.
*/
public function es_map( $field ) {
if ( ! empty( $this->es_map[ $field ] ) ) {
return $this->es_map[ $field ];
} else {
return $field;
}
}
/**
* Maps a taxonomy field.
*
* @param string $taxonomy The taxonomy slug.
* @param string $field The field slug.
* @access public
* @return string The mapped taxonomy field.
*/
public function tax_map( $taxonomy, $field ) {
if ( 'post_tag' === $taxonomy ) {
$field = str_replace( 'term_', 'tag_', $field );
} elseif ( 'category' === $taxonomy ) {
$field = str_replace( 'term_', 'category_', $field );
}
return sprintf( $this->es_map( $field ), $taxonomy );
}
/**
* Maps a meta key by type.
*
* @param string $meta_key The meta key to map.
* @param string $type The meta type to map.
* @access public
* @return string The mapped meta key.
*/
public function meta_map( $meta_key, $type = '' ) {
if ( ! empty( $type ) ) {
return sprintf( $this->es_map( 'post_meta.' . $type ), $meta_key );
} else {
return sprintf( $this->es_map( 'post_meta' ), $meta_key );
}
}
/**
* Sets the posts based on the Elasticsearch response.
*
* @param array $q The query.
* @param array $es_response The response from Elasticsearch.
* @access protected
*/
protected function set_posts( $q, $es_response ) {
$this->posts = array();
if ( isset( $es_response['hits']['hits'] ) ) {
switch ( $q['fields'] ) {
case 'ids':
foreach ( $es_response['hits']['hits'] as $hit ) {
$post_id = (array) $hit['_source'][ $this->es_map( 'post_id' ) ];
$this->posts[] = reset( $post_id );
}
return;
case 'id=>parent':
foreach ( $es_response['hits']['hits'] as $hit ) {
$post_id = (array) $hit['_source'][ $this->es_map( 'post_id' ) ];
$post_parent = (array) $hit['_source'][ $this->es_map( 'post_parent' ) ];
$this->posts[ reset( $post_id ) ] = reset( $post_parent );
}
return;
default:
if ( apply_filters( 'es_query_use_source', false ) ) {
$this->posts = wp_list_pluck( $es_response['hits']['hits'], '_source' );
return;
} else {
$post_ids = array();
foreach ( $es_response['hits']['hits'] as $hit ) {
$post_id = (array) $hit['_source'][ $this->es_map( 'post_id' ) ];
$post_ids[] = absint( reset( $post_id ) );
}
$post_ids = array_filter( $post_ids );
if ( ! empty( $post_ids ) ) {
global $wpdb;
$post__in = implode( ',', $post_ids );
$this->posts = $wpdb->get_results( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN ($post__in) ORDER BY FIELD( {$wpdb->posts}.ID, $post__in )" ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.VIP.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.NoCaching, (WordPress.VIP.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.VIP.DirectDatabaseQuery.DirectQuery
}
return;
}
}
} else {
$this->posts = array();
}
}
/**
* Handle no results.
*
* We're just going to abandon ship for now, but if it causes issues we'll
* switch to a mysql query where 1=0.
*
* @todo: Core queries where 1=0 here, which probably happens for good reason.
*
* @access protected
* @return array
*/
protected function no_results() {
$this->posts = array();
$this->max_num_pages = 0;
$this->found_posts = 0;
$this->post_count = 0;
return $this->posts;
}
/**
* Set up the amount of found posts and the number of pages (if limit clause was used)
* for the current query.
*
* @param array $q Query variables.
* @param array $es_response The response from the Elasticsearch server.
* @access public
*/
public function set_found_posts( $q, $es_response ) {
if ( isset( $es_response['hits']['total']['value'] ) ) {
$this->found_posts = absint( $es_response['hits']['total']['value'] );
} elseif ( isset( $es_response['hits']['total'] ) ) {
$this->found_posts = absint( $es_response['hits']['total'] );
} else {
$this->found_posts = 0;
}
$this->found_posts = apply_filters_ref_array( 'es_found_posts', array( $this->found_posts, &$this ) );
$this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
}
/**
* Retrieve the posts based on query variables.
*
* There are a few filters and actions that can be used to modify the post
* database query.
*
* @since 1.5.0
* @access public
* @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts.
*
* @todo determine early if the query can be run using ES, otherwise defer to WP_Query
*
* @return array List of posts.
*/
public function get_posts() {
global $wpdb;
/**
* In addition to what's below, other fields include:
* post_id
* post_author
* post_author.user_nicename
* post_date
* post_date.year
* post_date.month
* post_date.week
* post_date.day
* post_date.day_of_year
* post_date.day_of_week
* post_date.hour
* post_date.minute
* post_date.second
* post_date_gmt (plus all the same tokens as post_date)
* post_content
* post_content.analyzed
* post_title
* post_title.analyzed
* post_excerpt
* post_status
* ping_status
* post_password
* post_name
* post_modified (plus all the same tokens as post_date)
* post_modified_gmt (plus all the same tokens as post_date)
* post_parent
* menu_order
* post_type
* post_mime_type
* comment_count
*/
$this->es_map = apply_filters(
'es_field_map',
array(
'post_meta' => 'post_meta.%s',
'post_meta.analyzed' => 'post_meta.%s.analyzed',
'post_meta.long' => 'post_meta.%s.long',
'post_meta.double' => 'post_meta.%s.double',
'post_meta.binary' => 'post_meta.%s.boolean',
'post_meta.date' => 'post_meta.%s.date',
'post_meta.datetime' => 'post_meta.%s.datetime',
'post_meta.time' => 'post_meta.%s.time',
'post_meta.signed' => 'post_meta.%s.signed',
'post_meta.unsigned' => 'post_meta.%s.unsigned',
'term_id' => 'terms.%s.term_id',
'term_slug' => 'terms.%s.slug',
'term_name' => 'terms.%s.name',
'term_tt_id' => 'terms.%s.term_taxonomy_id',
'category_id' => 'terms.%s.term_id',
'category_slug' => 'terms.%s.slug',
'category_name' => 'terms.%s.name',
'category_tt_id' => 'terms.%s.term_taxonomy_id',
'tag_id' => 'terms.%s.term_id',
'tag_slug' => 'terms.%s.slug',
'tag_name' => 'terms.%s.name',
'tag_tt_id' => 'terms.%s.term_taxonomy_id',
)
);
$this->parse_query();
if ( isset( $this->query_vars['es'] ) ) {
unset( $this->query_vars['es'] );
}
do_action_ref_array( 'pre_get_posts', array( &$this ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
do_action_ref_array( 'es_pre_get_posts', array( &$this ) );
// Shorthand.
$q = &$this->query_vars;
// Fill again in case pre_get_posts unset some vars.
$q = $this->fill_query_vars( $q );
// Parse meta query.
$this->meta_query = new ES_WP_Meta_Query();
$this->meta_query->parse_query_vars( $q );
// Set a flag if a pre_get_posts hook changed the query vars.
$hash = md5( serialize( $this->query_vars ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
if ( $hash !== $this->query_vars_hash ) {
$this->query_vars_changed = true;
$this->query_vars_hash = $hash;
}
unset( $hash );
// First, let's clear some variables.
$distinct = '';
$where = '';
$join = '';
$search = '';
$page = 1;
// ES.
$filter = array();
$query = array();
$sort = array();
$fields = array();
$from = 0;
$size = 10;
if ( ! isset( $q['ignore_sticky_posts'] ) ) {
$q['ignore_sticky_posts'] = false;
}
if ( ! isset( $q['suppress_filters'] ) ) {
$q['suppress_filters'] = false;
}
if ( ! isset( $q['cache_results'] ) ) {
if ( wp_using_ext_object_cache() ) {
$q['cache_results'] = false;
} else {
$q['cache_results'] = true;
}
}
if ( ! isset( $q['update_post_term_cache'] ) ) {
$q['update_post_term_cache'] = true;
}
if ( ! isset( $q['update_post_meta_cache'] ) ) {
$q['update_post_meta_cache'] = true;
}
if ( ! isset( $q['post_type'] ) ) {
if ( $this->is_search ) {
$q['post_type'] = 'any';
} else {
$q['post_type'] = '';
}
}
$post_type = $q['post_type'];
if ( ! isset( $q['posts_per_page'] ) || 0 === intval( $q['posts_per_page'] ) ) {
$q['posts_per_page'] = get_option( 'posts_per_page' );
}
if ( isset( $q['showposts'] ) && $q['showposts'] ) {
$q['showposts'] = (int) $q['showposts'];
$q['posts_per_page'] = $q['showposts'];
}
if ( ( isset( $q['posts_per_archive_page'] ) && 0 !== intval( $q['posts_per_archive_page'] ) ) && ( $this->is_archive || $this->is_search ) ) {
$q['posts_per_page'] = $q['posts_per_archive_page'];
}
if ( ! isset( $q['nopaging'] ) ) {
if ( -1 === intval( $q['posts_per_page'] ) ) {
$q['nopaging'] = true; // phpcs:ignore WordPress.VIP.PostsPerPage.posts_per_page_nopaging
} else {
$q['nopaging'] = false;
}
}
if ( $this->is_feed ) {
// This overrides posts_per_page.
if ( ! empty( $q['posts_per_rss'] ) ) {
$q['posts_per_page'] = $q['posts_per_rss'];
} else {
$q['posts_per_page'] = get_option( 'posts_per_rss' );
}
$q['nopaging'] = false;
}
$q['posts_per_page'] = (int) $q['posts_per_page'];
if ( $q['posts_per_page'] < -1 ) {
$q['posts_per_page'] = abs( $q['posts_per_page'] );
} elseif ( 0 === intval( $q['posts_per_page'] ) ) {
$q['posts_per_page'] = 1;
}
if ( ! isset( $q['comments_per_page'] ) || 0 === intval( $q['comments_per_page'] ) ) {
$q['comments_per_page'] = get_option( 'comments_per_page' );
}
if ( $this->is_home && ( empty( $this->query ) || 'true' === $q['preview'] ) && ( 'page' === get_option( 'show_on_front' ) ) && get_option( 'page_on_front' ) ) {
$this->is_page = true;
$this->is_home = false;
$q['page_id'] = get_option( 'page_on_front' );
}
if ( isset( $q['page'] ) ) {
$q['page'] = trim( $q['page'], '/' );
$q['page'] = absint( $q['page'] );
}
switch ( $q['fields'] ) {
case 'ids':
$fields = array( $this->es_map( 'post_id' ) );
break;
case 'id=>parent':
$fields = array( $this->es_map( 'post_id' ), $this->es_map( 'post_parent' ) );
break;
default:
if ( apply_filters( 'es_query_use_source', false ) ) {
$fields = array( '_source' );
} else {
$fields = array( $this->es_map( 'post_id' ) );
}
}
if ( '' !== $q['menu_order'] ) {
$filter[] = $this->dsl_terms( $this->es_map( 'menu_order' ), $q['menu_order'] );
}
// The "m" parameter is meant for months but accepts datetimes of varying specificity.
if ( $q['m'] ) {
$date = array( 'year' => substr( $q['m'], 0, 4 ) );
$m_len = strlen( $q['m'] );
if ( $m_len > 5 ) {
$date['month'] = substr( $q['m'], 4, 2 );
}
if ( $m_len > 7 ) {
$date['day'] = substr( $q['m'], 6, 2 );
}
if ( $m_len > 9 ) {
$date['hour'] = substr( $q['m'], 8, 2 );
}
if ( $m_len > 11 ) {
$date['minute'] = substr( $q['m'], 10, 2 );
}
if ( $m_len > 13 ) {
$date['second'] = substr( $q['m'], 12, 2 );
// If we have absolute precision, we can use a term filter instead of a range.
$filter[] = $this->dsl_terms( $this->es_map( 'post_date' ), ES_WP_Date_Query::build_datetime( $date ) );
} else {
// We don't have second-level precision, so we need to build a range query from what we have.
$date_query = new ES_WP_Date_Query(
array(
'after' => $date,
'before' => $date,
'inclusive' => true,
)
);
$date_filter = $date_query->get_dsl( $this );
if ( ! empty( $date_filter ) ) {
$filter[] = $date_filter;
} elseif ( false === $date_filter ) {
// @todo: potentially do this differently; see no_results() for more info
return $this->no_results();
}
}
}
unset( $date_query, $date_filter, $date, $m_len );
// Handle the other individual date parameters.
$date_parameters = array();
if ( '' !== $q['hour'] ) {
$date_parameters['hour'] = $q['hour'];
}
if ( '' !== $q['minute'] ) {
$date_parameters['minute'] = $q['minute'];
}
if ( '' !== $q['second'] ) {
$date_parameters['second'] = $q['second'];
}
if ( $q['year'] ) {
$date_parameters['year'] = $q['year'];
}
if ( $q['monthnum'] ) {
$date_parameters['month'] = $q['monthnum'];
}
if ( $q['w'] ) {
$date_parameters['week'] = $q['w'];
}
if ( $q['day'] ) {
$date_parameters['day'] = $q['day'];
}
if ( $date_parameters ) {
$date_query = new ES_WP_Date_Query( array( $date_parameters ) );
$date_filter = $date_query->get_dsl( $this );
if ( ! empty( $date_filter ) ) {
$filter[] = $date_filter;
} elseif ( false === $date_filter ) {
// @todo: potentially do this differently; see no_results() for more info
return $this->no_results();
}
}
unset( $date_parameters, $date_query, $date_filter );
// Handle complex date queries.
if ( ! empty( $q['date_query'] ) ) {
$this->date_query = new ES_WP_Date_Query( $q['date_query'] );
$date_filter = $this->date_query->get_dsl( $this );
if ( ! empty( $date_filter ) ) {
$filter[] = $date_filter;
} elseif ( false === $date_filter ) {
// @todo: potentially do this differently; see no_results() for more info
return $this->no_results();
}
unset( $date_filter );
}
// If we've got a post_type AND it's not "any" post_type.
if ( ! empty( $q['post_type'] ) && 'any' !== $q['post_type'] ) {
foreach ( (array) $q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object( $_post_type );
if ( ! $ptype_obj || ! $ptype_obj->query_var || empty( $q[ $ptype_obj->query_var ] ) ) {
continue;
}
if ( ! $ptype_obj->hierarchical || strpos( $q[ $ptype_obj->query_var ], '/' ) === false ) {
// Non-hierarchical post_types & parent-level-hierarchical post_types can directly use 'name'.
$q['name'] = $q[ $ptype_obj->query_var ];
} else {
// Hierarchical post_types will operate through this.
$q['pagename'] = $q[ $ptype_obj->query_var ];
$q['name'] = '';
}
// Only one request for a slug is possible, this is why name & pagename are overwritten above.
break;
} //end foreach
unset( $ptype_obj );
}
if ( ! empty( $q['name'] ) ) {
$q['name'] = sanitize_title_for_query( $q['name'] );
$filter[] = $this->dsl_terms( $this->es_map( 'post_name' ), $q['name'] );
} elseif ( ! empty( $q['pagename'] ) ) {
if ( isset( $this->queried_object_id ) ) {
$reqpage = $this->queried_object_id;
} else {
if ( 'page' !== $q['post_type'] ) {
foreach ( (array) $q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object( $_post_type );
if ( ! $ptype_obj || ! $ptype_obj->hierarchical ) {
continue;
}
if ( function_exists( 'wpcom_vip_get_page_by_path' ) ) {
$reqpage = wpcom_vip_get_page_by_path( $q['pagename'], OBJECT, $_post_type );
} else {
$reqpage = get_page_by_path( $q['pagename'], OBJECT, $_post_type ); // phpcs:ignore WordPressVIPMinimum.VIP.RestrictedFunctions.get_page_by_path_get_page_by_path
}
if ( $reqpage ) {
break;
}
}
unset( $ptype_obj );
} else {
if ( function_exists( 'wpcom_vip_get_page_by_path' ) ) {
$reqpage = wpcom_vip_get_page_by_path( $q['pagename'] );
} else {
$reqpage = get_page_by_path( $q['pagename'] ); // phpcs:ignore WordPressVIPMinimum.VIP.RestrictedFunctions.get_page_by_path_get_page_by_path
}
}
if ( ! empty( $reqpage ) ) {
$reqpage = $reqpage->ID;
} else {
$reqpage = 0;
}
}
$page_for_posts = get_option( 'page_for_posts' );
if ( ( 'page' !== get_option( 'show_on_front' ) ) || empty( $page_for_posts ) || ( $reqpage !== $page_for_posts ) ) {
$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
$q['name'] = $q['pagename'];
$filter[] = $this->dsl_terms( $this->es_map( 'post_id' ), absint( $reqpage ) );
$reqpage_obj = get_post( $reqpage );
if ( is_object( $reqpage_obj ) && 'attachment' === $reqpage_obj->post_type ) {
$this->is_attachment = true;
$q['post_type'] = 'attachment';
$post_type = $q['post_type'];
$this->is_page = true;
$q['attachment_id'] = $reqpage;
}
}
} elseif ( ! empty( $q['attachment'] ) ) {
$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
$q['name'] = $q['attachment'];
$filter[] = $this->dsl_terms( $this->es_map( 'post_name' ), $q['attachment'] );
}
if ( isset( $q['comments_popup'] ) && intval( $q['comments_popup'] ) ) {
$q['p'] = absint( $q['comments_popup'] );
}
// If an attachment is requested by number, let it supersede any post number.
if ( $q['attachment_id'] ) {
$q['p'] = absint( $q['attachment_id'] );
}
// If a post number is specified, load that post.
if ( $q['p'] ) {
$filter[] = $this->dsl_terms( $this->es_map( 'post_id' ), absint( $q['p'] ) );
} elseif ( $q['post__in'] ) {
$post__in = array_map( 'absint', $q['post__in'] );
$filter[] = $this->dsl_terms( $this->es_map( 'post_id' ), $post__in );
} elseif ( $q['post__not_in'] ) { // phpcs:ignore WordPressVIPMinimum.VIP.WPQueryParams.post__not_in
$post__not_in = array_map( 'absint', $q['post__not_in'] ); // phpcs:ignore WordPressVIPMinimum.VIP.WPQueryParams.post__not_in
$filter[] = array(
'bool' => array(
'must_not' => $this->dsl_terms( $this->es_map( 'post_id' ), $post__not_in ),
),
);
}
if ( is_numeric( $q['post_parent'] ) ) {
$filter[] = $this->dsl_terms( $this->es_map( 'post_parent' ), absint( $q['post_parent'] ) );
} elseif ( $q['post_parent__in'] ) {
$post_parent__in = array_map( 'absint', $q['post_parent__in'] );
$filter[] = $this->dsl_terms( $this->es_map( 'post_parent' ), $post_parent__in );
} elseif ( $q['post_parent__not_in'] ) {
$post_parent__not_in = array_map( 'absint', $q['post_parent__not_in'] );
$filter[] = array(
'bool' => array(
'must_not' => $this->dsl_terms( $this->es_map( 'post_parent' ), $post_parent__not_in ),
),
);
}
if ( $q['page_id'] ) {
if ( 'page' !== get_option( 'show_on_front' ) || intval( get_option( 'page_for_posts' ) ) !== intval( $q['page_id'] ) ) {
$q['p'] = $q['page_id'];
$filter[] = $this->dsl_terms( $this->es_map( 'post_id' ), absint( $q['page_id'] ) );
}
}
// If a search pattern is specified, load the posts that match.
if ( ! empty( $q['s'] ) ) {
$search = $this->parse_search( $q );
}
/**
* Filter the search query.
*
* @param string $search Search filter for ES query.
* @param ES_WP_Query $this The current ES_WP_Query object.
*/
if ( ! empty( $search ) ) {
$query['must'] = apply_filters_ref_array( 'es_posts_search', array( $search, &$this ) );
if ( ! is_user_logged_in() ) {
$filter[] = array(
'bool' => array(
'should' => array(
$this->dsl_terms( $this->es_map( 'post_password' ), '' ),
$this->dsl_missing( $this->es_map( 'post_password' ) ),
),
),
);
}
}
// Taxonomies.
if ( ! $this->is_singular ) {
$this->parse_tax_query( $q );
$this->tax_query = ES_WP_Tax_Query::get_from_tax_query( $this->tax_query );
$tax_filter = $this->tax_query->get_dsl( $this );
if ( false === $tax_filter ) {
return $this->no_results();
}
if ( ! empty( $tax_filter ) ) {
$filter[] = $tax_filter;
}
unset( $tax_filter );
}
if ( $this->is_tax ) {
if ( empty( $post_type ) ) {
// Do a fully inclusive search for currently registered post types of queried taxonomies.
$post_type = array();
$taxonomies = array_keys( $this->tax_query->queried_terms );
foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
$object_taxonomies = 'attachment' === $pt ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
if ( array_intersect( $taxonomies, $object_taxonomies ) ) {
$post_type[] = $pt;
}
}
if ( ! $post_type ) {
$post_type = 'any';
} elseif ( 1 === count( $post_type ) ) {
$post_type = $post_type[0];
}
}
}
/*
* Ensure that 'taxonomy', 'term', 'term_id', 'cat', and
* 'category_name' vars are set for backward compatibility.
*/
if ( ! empty( $this->tax_query->queried_terms ) ) {
/*
* Set 'taxonomy', 'term', and 'term_id' to the
* first taxonomy other than 'post_tag' or 'category'.
*/
if ( ! isset( $q['taxonomy'] ) ) {
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
continue;
}
if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ), true ) ) {
$q['taxonomy'] = $queried_taxonomy;
if ( 'slug' === $queried_items['field'] ) {
$q['term'] = $queried_items['terms'][0];
} else {
$q['term_id'] = $queried_items['terms'][0];
}
}
}
}
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
continue;
}
if ( 'category' === $queried_taxonomy ) {
$the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' );
if ( $the_cat ) {
$this->set( 'cat', $the_cat->term_id );
$this->set( 'category_name', $the_cat->slug );
}
unset( $the_cat );
}
if ( 'post_tag' === $queried_taxonomy ) {
$the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' );
if ( $the_tag ) {
$this->set( 'tag_id', $the_tag->term_id );
}
unset( $the_tag );
}
}
}
/**
* Handle this case:
*
* ! empty( $this->tax_query->queries ) || ! empty( $this->meta_query->queries )
*
* @todo Group by post ID.
*/
// Author/user stuff.
if ( ! empty( $q['author'] ) && 0 !== intval( $q['author'] ) ) {
$q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
$authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
foreach ( $authors as $author ) {
$key = $author > 0 ? 'author__in' : 'author__not_in';
$q[ $key ][] = abs( $author );
}
$q['author'] = implode( ',', $authors );
}
if ( ! empty( $q['author__not_in'] ) ) {
$author__not_in = array_map( 'absint', array_unique( (array) $q['author__not_in'] ) );
$filter[] = array(
'bool' => array(
'must_not' => $this->dsl_terms( $this->es_map( 'post_author' ), $author__not_in ),
),
);
} elseif ( ! empty( $q['author__in'] ) ) {
$author__in = array_map( 'absint', array_unique( (array) $q['author__in'] ) );
$filter[] = $this->dsl_terms( $this->es_map( 'post_author' ), $author__in );
}
// Author stuff for nice URLs.
if ( '' !== $q['author_name'] ) {
if ( strpos( $q['author_name'], '/' ) !== false ) {
$q['author_name'] = explode( '/', $q['author_name'] );
if ( $q['author_name'][ count( $q['author_name'] ) - 1 ] ) {
$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 1 ]; // No trailing slash.
} else {
$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 2 ]; // There was a trailing slash.
}
}
$q['author_name'] = sanitize_title_for_query( $q['author_name'] );
$filter[] = $this->dsl_terms( $this->es_map( 'post_author.user_nicename' ), $q['author_name'] );
}
// MIME-Type stuff for attachment browsing.
if ( isset( $q['post_mime_type'] ) && '' !== $q['post_mime_type'] ) {
$es_mime = $this->post_mime_type_query( $q['post_mime_type'], $wpdb->posts );
if ( ! empty( $es_mime['filters'] ) ) {
$filter = array_values( array_merge( $filter, $es_mime['filters'] ) );
}
if ( ! empty( $es_mime['query'] ) ) {
$query['minimum_should_match'] = 1;
if ( empty( $query['should'] ) ) {
$query['should'] = $es_mime['query'];
} else {
$query['should'] = array_merge( $query['should'], $es_mime['query'] );
}
}
}
if ( ! isset( $q['order'] ) ) {
$q['order'] = 'desc';
} else {
$q['order'] = $this->parse_order( $q['order'] );
}
// Order by.
if ( empty( $q['orderby'] ) ) {
/*
* Boolean false or empty array blanks out ORDER BY,
* while leaving the value unset or otherwise empty sets the default.
*/
if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
$orderby = '';
} else {
$sort[] = array( $this->es_map( 'post_date' ) => $q['order'] );
}
} elseif ( 'none' === $q['orderby'] ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedElseif
// Nothing to see here.
} elseif ( 'post__in' === $q['orderby'] && ! empty( $post__in ) ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedElseif
// @todo: Figure this out... Elasticsearch doesn't have an equivalent of this
// $orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";.
} elseif ( 'post_parent__in' === $q['orderby'] && ! empty( $post_parent__in ) ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedElseif
// See above.
// $orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";.
} else {
if ( is_array( $q['orderby'] ) ) {
foreach ( $q['orderby'] as $_orderby => $order ) {
$orderby = addslashes_gpc( urldecode( $_orderby ) );
$parsed = $this->parse_orderby( $orderby );
if ( ! $parsed ) {
continue;
}
$sort[] = array( $parsed => $this->parse_order( $order ) );
}
} else {
$q['orderby'] = urldecode( $q['orderby'] );
$q['orderby'] = addslashes_gpc( $q['orderby'] );
foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
$parsed = $this->parse_orderby( $orderby );
// Only allow certain values for safety.
if ( ! $parsed ) {
continue;
}
$sort[] = array( $parsed => $q['order'] );
}
if ( empty( $sort ) ) {
$sort[] = array( $this->es_map( 'post_date' ) => $q['order'] );
}
}
}
// Order search results by relevance only when another "orderby" is not specified in the query.
if ( ! empty( $q['s'] ) ) {
$search_orderby = array();
if ( ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) ) {
$search_orderby = array( '_score' );
}
/**
* Filter the order used when ordering search results.
*
* @param array $search_orderby The order clause.
* @param ES_WP_Query $this The current ES_WP_Query instance.
*/
$search_orderby = apply_filters( 'es_posts_search_orderby', $search_orderby, $this );
if ( $search_orderby ) {
$sort = $sort ? array_merge( $search_orderby, $sort ) : $search_orderby;
}
}
if ( is_array( $post_type ) && count( $post_type ) > 1 ) {
$post_type_cap = 'multiple_post_type';
} else {
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_object = get_post_type_object( $post_type );
if ( empty( $post_type_object ) ) {
$post_type_cap = $post_type;
}
}
if ( 'any' === $post_type ) {
$in_search_post_types = get_post_types( array( 'exclude_from_search' => false ) );
if ( empty( $in_search_post_types ) ) {
// @todo: potentially do this differently; see no_results() for more info
return $this->no_results();
} else {
$filter[] = $this->dsl_terms( $this->es_map( 'post_type' ), array_values( $in_search_post_types ) );
}
} elseif ( ! empty( $post_type ) ) {
$filter[] = $this->dsl_terms( $this->es_map( 'post_type' ), array_values( (array) $post_type ) );
if ( ! is_array( $post_type ) ) {
$post_type_object = get_post_type_object( $post_type );
}
} elseif ( $this->is_attachment ) {
$filter[] = $this->dsl_terms( $this->es_map( 'post_type' ), 'attachment' );
$post_type_object = get_post_type_object( 'attachment' );
} elseif ( $this->is_page ) {
$filter[] = $this->dsl_terms( $this->es_map( 'post_type' ), 'page' );
$post_type_object = get_post_type_object( 'page' );
} else {
$filter[] = $this->dsl_terms( $this->es_map( 'post_type' ), 'post' );
$post_type_object = get_post_type_object( 'post' );
}
$edit_cap = 'edit_post';
$read_cap = 'read_post';
if ( ! empty( $post_type_object ) ) {
$edit_others_cap = $post_type_object->cap->edit_others_posts;
$read_private_cap = $post_type_object->cap->read_private_posts;
} else {
$edit_others_cap = 'edit_others_' . $post_type_cap . 's';
$read_private_cap = 'read_private_' . $post_type_cap . 's';
}
$user_id = get_current_user_id();
if ( ! empty( $q['post_status'] ) ) {
$status_ands = array();
$q_status = $q['post_status'];
if ( ! is_array( $q_status ) ) {
$q_status = explode( ',', $q_status );
}
$r_status = array();
$p_status = array();
$e_status = array();
if ( in_array( 'any', $q_status, true ) ) {
$e_status = get_post_stati( array( 'exclude_from_search' => true ) );
$e_status = array_values( $e_status );
} else {
foreach ( get_post_stati() as $status ) {
if ( in_array( $status, $q_status, true ) ) {
if ( 'private' === $status ) {
$p_status[] = $status;
} else {
$r_status[] = $status;
}
}
}
}
if ( empty( $q['perm'] ) || 'readable' !== $q['perm'] ) {
$r_status = array_merge( $r_status, $p_status );
unset( $p_status );
}
if ( ! empty( $e_status ) ) {
$status_ands[] = array(
'bool' => array(
'must_not' => $this->dsl_terms( $this->es_map( 'post_status' ), $e_status ),
),
);
}
if ( ! empty( $r_status ) ) {
if ( ! empty( $q['perm'] ) && 'editable' === $q['perm'] && ! current_user_can( $edit_others_cap ) ) {
$status_ands[] = array(
'bool' => array(
'filter' => array(
$this->dsl_terms( $this->es_map( 'post_author' ), $user_id ),
$this->dsl_terms( $this->es_map( 'post_status' ), $r_status ),
),
),
);
} else {
$status_ands[] = $this->dsl_terms( $this->es_map( 'post_status' ), $r_status );
}
}
if ( ! empty( $p_status ) ) {
if ( ! empty( $q['perm'] ) && 'readable' === $q['perm'] && ! current_user_can( $read_private_cap ) ) {
$status_ands[] = array(
'bool' => array(
'filter' => array(
$this->dsl_terms( $this->es_map( 'post_author' ), $user_id ),
$this->dsl_terms( $this->es_map( 'post_status' ), $p_status ),
),
),
);
} else {
$status_ands[] = $this->dsl_terms( $this->es_map( 'post_status' ), $p_status );
}
}
$filter = array_merge( $filter, $status_ands );