Current File : /home/tradesc/www/relax/wp-content/plugins/translatepress-multilingual/includes/class-search.php
<?php
/**
* Class TRP_Search
*
* Queries for translations in custom trp tables.
*
*/
class TRP_Search extends WP_Query{
protected $settings;
protected $db;
/**
* TRP_Search constructor.
* @param $settings
*/
public function __construct( $settings ){
parent::__construct('');
global $wpdb;
$this->db = $wpdb;
$this->settings = $settings;
}
/**
* Filter function to replace the search results on other languages. Basically we destroy the search query by unseting the s query var and give it post__in argument with the
* results from our own query
* @param $query
* @return mixed
*/
public function trp_search_filter( $query ) {
global $TRP_LANGUAGE;
if ( $TRP_LANGUAGE !== $this->settings['default-language'] ) {
if ( ( !is_admin() && $query->is_main_query() && $query->is_search() ) || apply_filters( 'trp_force_search', false ) ) {
// Get the "s" query arg from the initial search
$search_query = get_query_var('s');
//in some cases for instance some ajax searches we might need to get it from the query
if( empty($search_query) && !empty( $query->query['s'] ) )
$search_query = $query->query['s'];
$search_result_ids = $this->get_post_ids_containing_search_term($search_query, $query);
if( !empty($search_result_ids) ) {
$query->set('s', '');
$query->set('post__in', $search_result_ids);
}
}
}
return $query;
}
public function get_post_ids_containing_search_term($search_query, $query = null ){
global $TRP_LANGUAGE;
/* start adapted from parse_search() function from WP_Query */
// added slashes screw with quote grouping when done early, so done later
$search_query = stripslashes( $search_query );
// there are no line breaks in <input /> fields
$search_query = str_replace( array( "\r", "\n" ), '', $search_query );
$search_terms_count = 1;
if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $search_query, $matches ) ) {
$search_terms_count = count( $matches[0] );
$search_terms = $this->parse_search_terms( $matches[0] );
// if the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence
if ( empty( $search_terms ) || count( $search_terms ) > 9 ) {
$search_terms = array( $search_query );
$search_terms_count = 1;
}
} else {
$search_terms = array( $search_query );
}
/* end adapted from parse_search() function from WP_Query */
$trp = TRP_Translate_Press::get_trp_instance();
if ( ! $this->trp_query ) {
$this->trp_query = $trp->get_component( 'query' );
}
$search_result_ids = array();
$trp_search_query = '';
$dictionary_name = $this->trp_query->get_table_name( apply_filters( 'trp_change_search_dictionary_language', $TRP_LANGUAGE, $this, $query ) );
$meta_table_name = $this->trp_query->get_table_name_for_original_meta();
if( $search_terms_count === 1 ){
/**
* for one search term we can find it directly in the translated column
*/
$trp_search_query = $this->db->prepare( "SELECT meta_value FROM
$dictionary_name
INNER JOIN $meta_table_name ON $dictionary_name.original_id = $meta_table_name.original_id AND $meta_table_name.meta_key = '". $this->trp_query->get_meta_key_for_post_parent_id() ."'
WHERE $dictionary_name.translated LIKE %s", '%' . $search_terms[0] . '%' );
}
else{
$where_terms_or = array();
$where_terms_and = array();
foreach ( $search_terms as $search_term ){
$where_terms_or[] = $this->db->prepare("$dictionary_name.translated LIKE %s", '%' . $search_term . '%');
$where_terms_and[] = $this->db->prepare("t1.tra LIKE %s", '%' . $search_term . '%');
}
$where_or = implode( ' OR ', $where_terms_or);
$where_and = implode( ' AND ', $where_terms_and);
/**
* in the inner SELECT we search for the translated strings in dictionaries that have either of the search terms ( OR )
* and their original strings belong to the same post_id and we combine them in a virtual column with GROUP_CONCAT()
* basically we recreate the translated post_content but in a random order (we don't care about the order of the strings)
* in the outer SELECT we search in the result from inner SELECT the values that have all the search terms (AND)
*/
$trp_search_query = "SELECT meta_value FROM
( SELECT meta_value, GROUP_CONCAT( translated SEPARATOR ' ' ) AS tra FROM $dictionary_name
INNER JOIN $meta_table_name ON $dictionary_name.original_id = $meta_table_name.original_id AND $meta_table_name.meta_key = '". $this->trp_query->get_meta_key_for_post_parent_id() ."'
WHERE ( ". $where_or ." ) GROUP BY meta_value ) AS t1
WHERE ( ".$where_and." )";
}
$search_result_ids = $this->db->get_results( $trp_search_query, OBJECT_K );
$search_result_ids = array_keys($search_result_ids);
return $search_result_ids;
}
/**
* In our search filter we unset the s variable from the query so we need to recreate it later from the $_GET
* @param $s string the search query var
* @return string
*/
public function trp_search_query( $s ){
global $TRP_LANGUAGE;
if ( $TRP_LANGUAGE !== $this->settings['default-language'] ) {
if ( !is_admin() && isset( $_GET['s'] ) && empty( $s ) ){
$s = sanitize_text_field( wp_unslash( $_GET['s'] ) );
}
}
return $s;
}
}
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