data['settings'] = get_option( 'aws_settings' ); add_filter( 'widget_text', 'do_shortcode' ); add_shortcode( 'aws_search_form', array( $this, 'markup' ) ); add_action( 'wp_enqueue_scripts', array( $this, 'load_scripts' ) ); add_action( 'wp_ajax_aws_action', array( $this, 'action_callback' ) ); add_action('wp_ajax_nopriv_aws_action', array( $this, 'action_callback' ) ); add_filter( 'plugin_action_links', array( $this, 'add_settings_link' ), 10, 2 ); //load_plugin_textdomain( 'aws', false, dirname( plugin_basename( __FILE__ ) ). '/languages/' ); $this->includes(); } /** * Include required core files used in admin and on the frontend. */ public function includes() { include_once( 'includes/class-aws-admin.php' ); include_once( 'includes/widget.php' ); } /* * Generate search box markup */ public function markup( $args = array() ) { $placeholder = $this->get_settings( 'search_field_text' ); $min_chars = $this->get_settings( 'min_chars' ); $show_loader = $this->get_settings( 'show_loader' ); $params_string = ''; $params = array( 'data-url' => admin_url('admin-ajax.php'), 'data-siteurl' => site_url(), 'data-show-loader' => $show_loader, 'data-min-chars' => $min_chars, ); foreach( $params as $key => $value ) { $params_string .= $key . '="' . $value . '"'; } $markup = ''; $markup .= '

'; $markup .= ''; $markup .= '

'; return $markup; } /* * Load assets for search form */ public function load_scripts() { wp_enqueue_style( 'aws-style', AWS_URL . '/assets/css/common.css' ); wp_enqueue_script( 'aws-script', AWS_URL . '/assets/js/common.js', array('jquery'), '1.0', true ); } /* * Get array of included to search result posts ids */ private function get_posts_ids( $sql ) { global $wpdb; $posts_ids = array(); $search_results = $wpdb->get_results( $sql ); if ( !empty( $search_results ) && !is_wp_error( $search_results ) && is_array( $search_results ) ) { foreach ( $search_results as $search_result ) { $posts_ids[] = intval( $search_result->ID ); } } unset( $search_results ); return $posts_ids; } /* * AJAX call action callback */ public function action_callback() { global $wpdb; $show_cats = $this->get_settings( 'show_cats' ); $show_tags = $this->get_settings( 'show_tags' ); $exact_match = $this->get_settings( 'exact_match' ); $results_num = $this->get_settings( 'results_num' ); $search_in = $this->get_settings( 'search_in' ); $search_in_arr = explode( ',', $this->get_settings( 'search_in' ) ); // Search in title if all options is disabled if ( ! $search_in ) { $search_in_arr = array( 'title' ); } $categories_array = array(); $tags_array = array(); $query = array(); $s = esc_attr( $_POST['keyword'] ); $s = stripslashes( $s ); $s = str_replace( array( "\r", "\n" ), '', $s ); $this->data['s'] = $s; $this->data['search_terms'] = array(); $this->data['search_in'] = $search_in_arr; if ( $exact_match === 'true' ) { $this->data['search_terms'] = array( $s ); } else { $this->data['search_terms'] = array_unique( explode( ' ', $s ) ); if ( count( $this->data['search_terms'] ) > 0 ) { if ( count( $this->data['search_terms'] ) > 9 ) { $this->data['search_terms'] = array( $s ); } } else { $this->data['search_terms'] = array( $s ); } } // Generate search query $query['search'] = ''; $query['relevance'] = ''; $temp_search_array = array(); $relevance_array = array(); $new_relevance_array = array(); foreach ( $this->data['search_terms'] as $search_term ) { $like = '%' . $wpdb->esc_like( $search_term ) . '%'; $search_in_array = array(); foreach ( $search_in_arr as $search_in_term ) { switch ( $search_in_term ) { case 'title': $search_in_array[] = $wpdb->prepare( '( posts.post_title LIKE %s )', $like ); $relevance_array['title'][] = $wpdb->prepare( "( case when ( post_title LIKE %s ) then 10 else 0 end )", $like ); break; case 'content': $search_in_array[] = $wpdb->prepare( '( posts.post_content LIKE %s )', $like ); $relevance_array['content'][] = $wpdb->prepare( "( case when ( post_content LIKE %s ) then 7 else 0 end )", $like ); break; case 'excerpt': $search_in_array[] = $wpdb->prepare( '( posts.post_excerpt LIKE %s )', $like ); $relevance_array['content'][] = $wpdb->prepare( "( case when ( post_excerpt LIKE %s ) then 7 else 0 end )", $like ); break; case 'sku': $search_in_array[] = $wpdb->prepare( '( postmeta.meta_value LIKE %s )', $like ); break; } } $temp_search_array[] = sprintf( ' ( %s ) ', implode( ' OR ', $search_in_array ) ); } $query['search'] .= sprintf( ' AND ( %s )', implode( ' OR ', $temp_search_array ) ); // Sort 'relevance' queries in the array by search priority foreach ( $search_in_arr as $search_in_item ) { if ( isset( $relevance_array[$search_in_item] ) ) { $new_relevance_array[$search_in_item] = implode( ' + ', $relevance_array[$search_in_item] ); } } $query['relevance'] .= sprintf( ' ( %s ) ', implode( ' + ', $new_relevance_array ) ); $sql = "SELECT ID, {$query['relevance']} as relevance FROM $wpdb->posts AS posts, $wpdb->postmeta AS postmeta WHERE posts.post_type = 'product' AND posts.post_status = 'publish' AND posts.ID = postmeta.post_id AND postmeta.meta_key = '_sku' {$query['search']} ORDER BY relevance DESC, posts.post_date DESC LIMIT 0, {$results_num} "; $posts_ids = $this->get_posts_ids( $sql ); $products_array = $this->get_products( $posts_ids ); if ( $show_cats === 'true' ) { $categories_array = $this->get_taxonomies( $this->data['s'], 'product_cat' ); } if ( $show_tags === 'true' ) { $tags_array = $this->get_taxonomies( $this->data['s'], 'product_tag' ); } echo json_encode( array( 'cats' => $categories_array, 'tags' => $tags_array, 'products' => $products_array ) ); die; } /* * Get products info */ private function get_products( $posts_ids ) { $products_array = array(); if ( count( $posts_ids ) > 0 ) { $show_excerpt = $this->get_settings( 'show_excerpt' ); $excerpt_source = $this->get_settings( 'desc_source' ); $excerpt_length = $this->get_settings( 'excerpt_length' ); $mark_search_words = $this->get_settings( 'mark_words' ); $show_price = $this->get_settings( 'show_price' ); $show_sale = $this->get_settings( 'show_sale' ); $show_image = $this->get_settings( 'show_image' ); foreach ( $posts_ids as $post_id ) { $product = new WC_product( $post_id ); $post_data = $product->get_post_data(); $title = $product->get_title(); $excerpt = ''; $price = ''; $on_sale = ''; $image = ''; if ( $show_excerpt === 'true' ) { $excerpt = ( $excerpt_source === 'excerpt' && $post_data->post_excerpt ) ? $post_data->post_excerpt : $post_data->post_content; $excerpt = wp_trim_words( $excerpt, $excerpt_length, '...' ); } if ( $mark_search_words === 'true' ) { $marked_content = $this->mark_search_words( $title, $excerpt ); $title = $marked_content['title']; $excerpt = $marked_content['excerpt']; } if ( $show_price === 'true' ) { $price = $product->get_price_html(); } if ( $show_sale === 'true' ) { $on_sale = $product->is_on_sale(); } if ( $show_image === 'true' ) { $image_id = $product->get_image_id(); $image_attributes = wp_get_attachment_image_src( $image_id ); $image = $image_attributes[0]; } $categories = $product->get_categories( ',' ); $tags = $product->get_tags( ',' ); $new_result = array( 'title' => $title, 'excerpt' => $excerpt, 'link' => get_permalink( $post_id ), 'image' => $image, 'price' => $price, 'categories' => $categories, 'tags' => $tags, 'on_sale' => $on_sale ); $products_array[] = $new_result; } } return $products_array; } /* * Mark search words */ private function mark_search_words( $title, $excerpt ) { $show_excerpt = $this->get_settings( 'show_excerpt' ); $pattern = array(); foreach( $this->data['search_terms'] as $search_in ) { $pattern[] = '(' . $search_in . ')+'; } usort( $pattern, array( $this, 'sort_by_length' ) ); $pattern = implode( '|', $pattern ); $pattern = sprintf( '/%s/i', $pattern ); if ( in_array( 'title', $this->data['search_in'] ) ) { $title = preg_replace($pattern, '${0}', $title); } if ( $show_excerpt === 'true' && in_array( 'content', $this->data['search_in'] ) ) { $excerpt = preg_replace( $pattern, '${0}', $excerpt ); } return array( 'title' => $title, 'excerpt' => $excerpt ); } /* * Sort array by its values length */ private function sort_by_length( $a, $b ) { return strlen( $b ) - strlen( $a ); } /* * Check if the terms are suitable for searching */ private function parse_search_terms( $terms ) { $strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower'; $checked = array(); $stopwords = $this->get_search_stopwords(); foreach ( $terms as $term ) { // Avoid single A-Z. if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z]$/i', $term ) ) ) continue; if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) ) continue; $checked[] = $term; } return $checked; } /* * Get array of stopwords */ private function get_search_stopwords() { $stopwords = array( 'about','an','are','as','at','be','by','com','for','from','how','in','is','it','of','on','or','that','the','this','to','was','what','when','where','who','will','with','www' ); return $stopwords; } /* * Query product taxonomies */ private function get_taxonomies( $s, $taxonomy ) { global $wpdb; $result_array = array(); $excludes = ''; $sql = " SELECT distinct($wpdb->terms.name), $wpdb->terms.term_id, $wpdb->term_taxonomy.taxonomy, $wpdb->term_taxonomy.count FROM $wpdb->terms , $wpdb->term_taxonomy WHERE name LIKE '%{$s}%' AND $wpdb->term_taxonomy.taxonomy = '{$taxonomy}' AND $wpdb->term_taxonomy.term_id = $wpdb->terms.term_id $excludes LIMIT 0, 10"; $search_results = $wpdb->get_results( $sql ); if ( ! empty( $search_results ) && !is_wp_error( $search_results ) ) { foreach ( $search_results as $result ) { $term = get_term( $result->term_id, $result->taxonomy ); if ( $term != null && !is_wp_error( $term ) ) { $term_link = get_term_link( $term ); } else { $term_link = ''; } $new_result = array( 'name' => $result->name, 'count' => $result->count, 'link' => $term_link ); $result_array[] = $new_result; } } return $result_array; } /* * Get plugin settings */ public function get_settings( $name ) { $plugin_options = $this->data['settings']; return $plugin_options[ $name ]; } /* * Add settings link to plugins */ public function add_settings_link( $links, $file ) { $plugin_base = plugin_basename( __FILE__ ); if ( $file == $plugin_base ) { $setting_link = ''.__( 'Settings', 'aws' ).''; array_unshift( $links, $setting_link ); } return $links; } } endif; /** * Returns the main instance of AWS_Main * * @return AWS_Main */ function AWS() { return AWS_Main::instance(); } /* * Check if WooCommerce is active */ if ( in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) { add_action( 'woocommerce_loaded', 'aws_init' ); } else { add_action( 'admin_notices', 'aws_install_woocommerce_admin_notice' ); } /* * Error notice if WooCommerce plugin is not active */ function aws_install_woocommerce_admin_notice() { ?>