Ubuntu

synonyms = $this->get_synonyms(); $this->exclusion_prefix = apply_filters('wp_query_search_exclusion_prefix', '-'); // phpcs:ignore $this->search_columns = array( 'post_title', 'post_excerpt', 'post_content' ); } /** * Get the synonyms from the theme options. * * @return array Array of synonyms. */ public function get_synonyms() { $synonyms_config = woodmart_get_opt( 'search_synonyms' ); if ( empty( $synonyms_config ) ) { return array(); } $synonyms_lines = array_map( 'strtolower', explode( PHP_EOL, $synonyms_config ) ); $synonyms_list = array(); foreach ( $synonyms_lines as $line ) { $parts = explode( '=', $line ); if ( count( $parts ) < 2 ) { continue; } $term = trim( $parts[0] ); $matches = array_map( 'trim', explode( ',', $parts[1] ) ); $synonyms_list[ $term ] = $matches; } return $synonyms_list; } /** * Get the original terms from the search term. * * @param string $search_term The search term. * @return array Array of unique original terms. */ public function get_original_terms( $search_term ) { return array_unique( explode( ' ', $search_term ) ); } /** * Generate new terms including synonyms for the original terms. * * @param array $original_terms Array of original search terms. * @return array Array of new search terms including synonyms. */ public function generate_new_terms( $original_terms ) { $new_terms = array(); foreach ( $original_terms as $term ) { $new_terms[] = $term; if ( isset( $this->synonyms[ $term ] ) ) { foreach ( $this->synonyms[ $term ] as $synonym ) { $new_terms[] = $synonym; } } } return $new_terms; } /** * Apply exclusion rules to the search terms. * * @param array $terms Array of search terms. * @return array Array containing include terms and exclude terms. */ public function apply_exclusion( $terms ) { $include_terms = array(); $exclude_terms = array(); foreach ( $terms as $term ) { $exclude = $this->exclusion_prefix && str_starts_with( $term, $this->exclusion_prefix ); if ( ! $exclude ) { if ( ! in_array( '-' . $term, $exclude_terms, true ) ) { $include_terms[] = $term; } } else { $exclude_terms[] = $term; $key = array_search( substr( $term, 1 ), $include_terms, true ); if ( false !== $key ) { unset( $include_terms[ $key ] ); } } } return array( $include_terms, $exclude_terms ); } /** * Build the SQL search query from the terms. * * @param array $terms Array of search terms. * @param bool $is_include_terms Whether to include or exclude the terms. * @return string The SQL search query. */ public function build_search_query( $terms, $is_include_terms = true ) { global $wpdb; $search_query = ''; foreach ( $terms as $term ) { if ( $is_include_terms ) { $like_op = 'LIKE'; $andor_op = 'OR'; $search_op = ' OR '; } else { $like_op = 'NOT LIKE'; $andor_op = 'AND'; $term = substr( $term, 1 ); $search_op = ' AND '; } if ( empty( $search_query ) ) { $search_op = ''; } $like = '%' . $wpdb->esc_like( $term ) . '%'; $search_columns_parts = array(); foreach ( $this->search_columns as $search_column ) { $search_columns_parts[] = $wpdb->prepare( "({$wpdb->posts}.$search_column $like_op %s)", $like ); } $search_query .= "$search_op(" . implode( " $andor_op ", $search_columns_parts ) . ')'; } return $search_query; } /** * Combine the include and exclude search queries. * * @param string $include_search The include search query. * @param string $exclude_search The exclude search query. * @return string The combined search query. */ public function combine_search_queries( $include_search, $exclude_search ) { if ( ! empty( $include_search ) && ! empty( $exclude_search ) ) { $include_search = "({$include_search})"; } return $include_search . ( ! empty( $exclude_search ) ? ' AND ' . $exclude_search : '' ); } /** * Finalize the SQL search query. * * @param string $search The new search query. * * @return string The finalized search query. */ public function finalize_search_query( $search ) { global $wpdb; if ( ! empty( $search ) ) { $search = " AND ({$search}) "; if ( ! is_user_logged_in() ) { $search .= " AND ({$wpdb->posts}.post_password = '') "; } } return $search; } /** * Extends the WordPress search query by adding a condition for synonyms search. * * This function adds an additional condition to the SQL query to search within specified synonyms * and searches by their names using the `LIKE` expression. * * @param string $search The current SQL search query. * @param string $search_term The search term to be used for searching within synonyms. * * @return string The modified SQL search query. */ public function extend_query( $search, $search_term ) { if ( empty( $this->synonyms ) ) { return $search; } $original_terms = $this->get_original_terms( $search_term ); $new_terms = $this->generate_new_terms( $original_terms ); list($include_terms, $exclude_terms) = $this->apply_exclusion( $new_terms ); $include_search = $this->build_search_query( $include_terms, true ); $exclude_search = $this->build_search_query( $exclude_terms, false ); $search = $this->combine_search_queries( $include_search, $exclude_search ); return $this->finalize_search_query( $search ); } }