is_main_query() ) return; // Special check for shops with the product archive on front if ( $q->is_page() && 'page' == get_option( 'show_on_front' ) && $q->get('page_id') == woocommerce_get_page_id('shop') ) { // This is a front-page shop $q->set( 'post_type', 'product' ); $q->set( 'page_id', '' ); if ( isset( $q->query['paged'] ) ) $q->set( 'paged', $q->query['paged'] ); // Define a variable so we know this is the front page shop later on define( 'SHOP_IS_ON_FRONT', true ); // Get the actual WP page to avoid errors and let us use is_front_page() // This is hacky but works. Awaiting http://core.trac.wordpress.org/ticket/21096 global $wp_post_types; $shop_page = get_post( woocommerce_get_page_id('shop') ); $q->is_page = true; $wp_post_types['product']->ID = $shop_page->ID; $wp_post_types['product']->post_title = $shop_page->post_title; $wp_post_types['product']->post_name = $shop_page->post_name; // Fix conditional Functions like is_front_page $q->is_singular = false; $q->is_post_type_archive = true; $q->is_archive = true; // Fix WP SEO if ( function_exists( 'wpseo_get_value' ) ) { add_filter( 'wpseo_metadesc', array( $this, 'wpseo_metadesc' ) ); add_filter( 'wpseo_metakey', array( $this, 'wpseo_metakey' ) ); } } else { // Only apply to product categories, the product post archive, the shop page, product tags, and product attribute taxonomies if ( ! $q->is_post_type_archive( 'product' ) && ! $q->is_tax( get_object_taxonomies( 'product' ) ) ) return; } $this->product_query( $q ); if ( is_search() ) { add_filter( 'posts_where', array( $this, 'search_post_excerpt' ) ); add_filter( 'wp', array( $this, 'remove_posts_where' ) ); } // We're on a shop page so queue the woocommerce_get_products_in_view function add_action( 'wp', array( $this, 'get_products_in_view' ), 2); // And remove the pre_get_posts hook $this->remove_product_query(); } /** * search_post_excerpt function. * * @access public * @param string $where (default: '') * @return string (modified where clause) */ public function search_post_excerpt( $where = '' ) { global $wp_the_query; // If this is not a WC Query, do not modify the query if ( empty( $wp_the_query->query_vars['wc_query'] ) ) return $where; $where = preg_replace( "/post_title\s+LIKE\s*(\'[^\']+\')/", "post_title LIKE $1) OR (post_excerpt LIKE $1", $where ); return $where; } /** * wpseo_metadesc function. * * @access public * @param mixed $meta * @return void */ public function wpseo_metadesc() { return wpseo_get_value( 'metadesc', woocommerce_get_page_id('shop') ); } /** * wpseo_metakey function. * * @access public * @return void */ public function wpseo_metakey() { return wpseo_get_value( 'metakey', woocommerce_get_page_id('shop') ); } /** * Hook into the_posts to do the main product query if needed - relevanssi compatibility * * @access public * @param mixed $posts * @param bool $query (default: false) * @return void */ public function the_posts( $posts, $query = false ) { global $woocommerce; // Abort if theres no query if ( ! $query ) return $posts; // Abort if we're not filtering posts if ( empty( $this->post__in ) ) return $posts; // Abort if this query has already been done if ( ! empty( $query->wc_query ) ) return $posts; // Abort if this isn't a search query if ( empty( $query->query_vars["s"] ) ) return $posts; // Abort if we're not on a post type archive/product taxonomy if ( ! $query->is_post_type_archive( 'product' ) && ! $query->is_tax( get_object_taxonomies( 'product' ) ) ) return $posts; $filtered_posts = array(); $queried_post_ids = array(); foreach ( $posts as $post ) { if ( in_array( $post->ID, $this->post__in ) ) { $filtered_posts[] = $post; $queried_post_ids[] = $post->ID; } } $query->posts = $filtered_posts; $query->post_count = count( $filtered_posts ); // Ensure filters are set $this->unfiltered_product_ids = $queried_post_ids; $this->filtered_product_ids = $queried_post_ids; if ( sizeof( $this->layered_nav_post__in ) > 0 ) { $this->layered_nav_product_ids = array_intersect( $this->unfiltered_product_ids, $this->layered_nav_post__in ); } else { $this->layered_nav_product_ids = $this->unfiltered_product_ids; } return $filtered_posts; } /** * Query the products, applying sorting/ordering etc. This applies to the main wordpress loop * * @access public * @param mixed $q * @return void */ public function product_query( $q ) { // Meta query $meta_query = (array) $q->get( 'meta_query' ); $meta_query[] = $this->visibility_meta_query(); $meta_query[] = $this->stock_status_meta_query(); // Ordering $ordering = $this->get_catalog_ordering_args(); // Get a list of post id's which match the current filters set (in the layered nav and price filter) $post__in = array_unique( apply_filters( 'loop_shop_post_in', array() ) ); // Ordering query vars $q->set( 'orderby', $ordering['orderby'] ); $q->set( 'order', $ordering['order'] ); if ( isset( $ordering['meta_key'] ) ) $q->set( 'meta_key', $ordering['meta_key'] ); // Query vars that affect posts shown if ( ! $q->is_tax( 'product_cat' ) && ! $q->is_tax( 'product_tag' ) ) $q->set( 'post_type', 'product' ); $q->set( 'meta_query', $meta_query ); $q->set( 'post__in', $post__in ); $q->set( 'posts_per_page', $q->get( 'posts_per_page' ) ? $q->get( 'posts_per_page' ) : apply_filters( 'loop_shop_per_page', get_option( 'posts_per_page' ) ) ); // Set a special variable $q->set( 'wc_query', true ); // Store variables $this->post__in = $post__in; $this->meta_query = $meta_query; do_action( 'woocommerce_product_query', $q, $this ); } /** * Remove the query * * @access public * @return void */ public function remove_product_query() { remove_filter( 'pre_get_posts', array( $this, 'pre_get_posts' ) ); } /** * Remove the posts_where filter * * @access public * @return void */ public function remove_posts_where() { remove_filter( 'posts_where', array( $this, 'search_post_excerpt' ) ); } /** * Get an unpaginated list all product ID's (both filtered and unfiltered). Makes use of transients. * * @access public * @return void */ public function get_products_in_view() { global $wp_the_query; $unfiltered_product_ids = array(); // Get main query $current_wp_query = $wp_the_query->query; // Get WP Query for current page (without 'paged') unset( $current_wp_query['paged'] ); // Generate a transient name based on current query $transient_name = 'wc_uf_pid_' . md5( http_build_query( $current_wp_query ) ); $transient_name = ( is_search() ) ? $transient_name . '_s' : $transient_name; if ( false === ( $unfiltered_product_ids = get_transient( $transient_name ) ) ) { // Get all visible posts, regardless of filters $unfiltered_product_ids = get_posts( array_merge( $current_wp_query, array( 'post_type' => 'product', 'numberposts' => -1, 'post_status' => 'publish', 'meta_query' => $this->meta_query, 'fields' => 'ids', 'no_found_rows' => true, 'update_post_meta_cache' => false, 'update_post_term_cache' => false ) ) ); set_transient( $transient_name, $unfiltered_product_ids ); } // Store the variable $this->unfiltered_product_ids = $unfiltered_product_ids; // Also store filtered posts ids... if ( sizeof( $this->post__in ) > 0 ) $this->filtered_product_ids = array_intersect( $this->unfiltered_product_ids, $this->post__in ); else $this->filtered_product_ids = $this->unfiltered_product_ids; // And filtered post ids which just take layered nav into consideration (to find max price in the price widget) if ( sizeof( $this->layered_nav_post__in ) > 0 ) $this->layered_nav_product_ids = array_intersect( $this->unfiltered_product_ids, $this->layered_nav_post__in ); else $this->layered_nav_product_ids = $this->unfiltered_product_ids; } /** * Returns an array of arguments for ordering products based on the selected values * * @access public * @return array */ public function get_catalog_ordering_args( $orderby = '', $order = '' ) { global $woocommerce; // Get ordering from query string unless defined if ( ! $orderby ) { $orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) ); // Get order + orderby args from string $orderby_value = explode( '-', $orderby_value ); $orderby = esc_attr( $orderby_value[0] ); $order = ! empty( $orderby_value[1] ) ? $orderby_value[1] : $order; } $args = array(); switch ( $orderby ) { case 'date' : $args['orderby'] = 'date'; $args['order'] = $order == 'asc' ? 'asc' : 'desc'; $args['meta_key'] = ''; break; case 'price' : $args['orderby'] = 'meta_value_num'; $args['order'] = $order == 'desc' ? 'desc' : 'asc'; $args['meta_key'] = '_price'; break; case 'popularity' : $args['orderby'] = 'meta_value_num'; $args['order'] = $order == 'asc' ? 'asc' : 'desc'; $args['meta_key'] = 'total_sales'; break; case 'rating' : $args['orderby'] = 'menu_order title'; $args['order'] = $order == 'desc' ? 'desc' : 'asc'; $args['meta_key'] = ''; add_filter( 'posts_clauses', array( $this, 'order_by_rating_post_clauses' ) ); break; default : $args['orderby'] = 'menu_order title'; $args['order'] = $order == 'desc' ? 'desc' : 'asc'; $args['meta_key'] = ''; break; } return apply_filters( 'woocommerce_get_catalog_ordering_args', $args ); } /** * order_by_rating_post_clauses function. * * @access public * @param array $args * @return array */ public function order_by_rating_post_clauses( $args ) { global $wpdb; $args['fields'] .= ", AVG( $wpdb->commentmeta.meta_value ) as average_rating "; $args['where'] .= " AND ( $wpdb->commentmeta.meta_key = 'rating' OR $wpdb->commentmeta.meta_key IS null ) "; $args['join'] .= " LEFT OUTER JOIN $wpdb->comments ON($wpdb->posts.ID = $wpdb->comments.comment_post_ID) LEFT JOIN $wpdb->commentmeta ON($wpdb->comments.comment_ID = $wpdb->commentmeta.comment_id) "; $args['orderby'] = "average_rating DESC"; $args['groupby'] = "$wpdb->posts.ID"; return $args; } /** * Returns a meta query to handle product visibility * * @access public * @param string $compare (default: 'IN') * @return array */ public function visibility_meta_query( $compare = 'IN' ) { if ( is_search() ) $in = array( 'visible', 'search' ); else $in = array( 'visible', 'catalog' ); $meta_query = array( 'key' => '_visibility', 'value' => $in, 'compare' => $compare ); return $meta_query; } /** * Returns a meta query to handle product stock status * * @access public * @param string $status (default: 'instock') * @return array */ public function stock_status_meta_query( $status = 'instock' ) { $meta_query = array(); if ( get_option( 'woocommerce_hide_out_of_stock_items' ) == 'yes' ) { $meta_query = array( 'key' => '_stock_status', 'value' => $status, 'compare' => '=' ); } return $meta_query; } }