init_query_vars(); } /** * Init query vars by loading options. */ public function init_query_vars() { // Query vars to add to WP $this->query_vars = array( // Checkout actions 'order-pay' => get_option( 'woocommerce_checkout_pay_endpoint', 'order-pay' ), 'order-received' => get_option( 'woocommerce_checkout_order_received_endpoint', 'order-received' ), // My account actions 'view-order' => get_option( 'woocommerce_myaccount_view_order_endpoint', 'view-order' ), 'edit-account' => get_option( 'woocommerce_myaccount_edit_account_endpoint', 'edit-account' ), 'edit-address' => get_option( 'woocommerce_myaccount_edit_address_endpoint', 'edit-address' ), 'lost-password' => get_option( 'woocommerce_myaccount_lost_password_endpoint', 'lost-password' ), 'customer-logout' => get_option( 'woocommerce_logout_endpoint', 'customer-logout' ), 'add-payment-method' => get_option( 'woocommerce_myaccount_add_payment_method_endpoint', 'add-payment-method' ), ); } /** * Get any errors from querystring */ public function get_errors() { if ( isset( $_GET['wc_error'] ) ) wc_add_notice( esc_attr( $_GET['wc_error'] ), 'error' ); } /** * Add endpoints for query vars */ public function add_endpoints() { foreach ( $this->query_vars as $key => $var ) add_rewrite_endpoint( $var, EP_PAGES ); } /** * add_query_vars function. * * @access public * @param array $vars * @return array */ public function add_query_vars( $vars ) { foreach ( $this->query_vars as $key => $var ) $vars[] = $key; return $vars; } /** * Parse the request and look for query vars - endpoints may not be supported */ public function parse_request() { global $wp; // Map query vars to their keys, or get them if endpoints are not supported foreach ( $this->query_vars as $key => $var ) { if ( isset( $_GET[ $var ] ) ) { $wp->query_vars[ $key ] = $_GET[ $var ]; } elseif ( isset( $wp->query_vars[ $var ] ) ) { $wp->query_vars[ $key ] = $wp->query_vars[ $var ]; } } } /** * Hook into pre_get_posts to do the main product query * * @access public * @param mixed $q query object * @return void */ public function pre_get_posts( $q ) { // We only want to affect the main query if ( ! $q->is_main_query() ) return; // When orderby is set, WordPress shows posts. Get around that here. if ( $q->is_home() && 'page' == get_option('show_on_front') && get_option('page_on_front') == wc_get_page_id('shop') ) { $_query = wp_parse_args( $q->query ); if ( empty( $_query ) || ! array_diff( array_keys( $_query ), array( 'preview', 'page', 'paged', 'cpage', 'orderby' ) ) ) { $q->is_page = true; $q->is_home = false; $q->set( 'page_id', get_option('page_on_front') ); $q->set( 'post_type', 'product' ); } } // Special check for shops with the product archive on front if ( $q->is_page() && 'page' == get_option( 'show_on_front' ) && $q->get('page_id') == wc_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( wc_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' ) ); } add_filter( 'posts_where', array( $this, 'exclude_protected_products' ) ); // 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'] ) || empty( $wp_the_query->query_vars['s'] ) ) return $where; $where = preg_replace( "/post_title\s+LIKE\s*(\'\%[^\%]+\%\')/", "post_title LIKE $1) OR (post_excerpt LIKE $1", $where ); return $where; } /** * Prevent password protected products appearing in the loops * * @param string $where * @return string */ public function exclude_protected_products( $where ) { $where .= " AND post_password = ''"; return $where; } /** * wpseo_metadesc function. * Hooked into wpseo_ hook already, so no need for function_exist * * @access public * @return string */ public function wpseo_metadesc() { return wpseo_get_value( 'metadesc', wc_get_page_id('shop') ); } /** * wpseo_metakey function. * Hooked into wpseo_ hook already, so no need for function_exist * * @access public * @return string */ public function wpseo_metakey() { return wpseo_get_value( 'metakey', wc_get_page_id('shop') ); } /** * Hook into the_posts to do the main product query if needed - relevanssi compatibility * * @access public * @param array $posts * @param WP_Query|bool $query (default: false) * @return array */ public function the_posts( $posts, $query = false ) { // Abort if there's 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 = $this->get_meta_query( $q->get( '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 ordering queries */ public function remove_ordering_args() { remove_filter( 'posts_clauses', array( $this, 'order_by_popularity_post_clauses' ) ); remove_filter( 'posts_clauses', array( $this, 'order_by_rating_post_clauses' ) ); } /** * 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 = '' ) { // Get ordering from query string unless defined if ( ! $orderby ) { $orderby_value = isset( $_GET['orderby'] ) ? wc_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; } $orderby = strtolower( $orderby ); $order = strtoupper( $order ); $args = array(); // default - menu_order $args['orderby'] = 'menu_order title'; $args['order'] = $order == 'DESC' ? 'DESC' : 'ASC'; $args['meta_key'] = ''; switch ( $orderby ) { case 'rand' : $args['orderby'] = 'rand'; break; case 'date' : $args['orderby'] = 'date'; $args['order'] = $order == 'ASC' ? 'ASC' : 'DESC'; break; case 'price' : $args['orderby'] = 'meta_value_num'; $args['order'] = $order == 'DESC' ? 'DESC' : 'ASC'; $args['meta_key'] = '_price'; break; case 'popularity' : $args['meta_key'] = 'total_sales'; // Sorting handled later though a hook add_filter( 'posts_clauses', array( $this, 'order_by_popularity_post_clauses' ) ); break; case 'rating' : // Sorting handled later though a hook add_filter( 'posts_clauses', array( $this, 'order_by_rating_post_clauses' ) ); break; case 'title' : $args['orderby'] = 'title'; $args['order'] = $order == 'DESC' ? 'DESC' : 'ASC'; break; } return apply_filters( 'woocommerce_get_catalog_ordering_args', $args ); } /** * WP Core doens't let us change the sort direction for invidual orderby params - http://core.trac.wordpress.org/ticket/17065 * * This lets us sort by meta value desc, and have a second orderby param. * * @access public * @param array $args * @return array */ public function order_by_popularity_post_clauses( $args ) { global $wpdb; $args['orderby'] = "$wpdb->postmeta.meta_value+0 DESC, $wpdb->posts.post_date DESC"; return $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, $wpdb->posts.post_date DESC"; $args['groupby'] = "$wpdb->posts.ID"; return $args; } /** * Appends meta queries to an array. * @access public * @param array $meta_query * @return array */ public function get_meta_query( $meta_query = array() ) { if ( ! is_array( $meta_query ) ) $meta_query = array(); $meta_query[] = $this->visibility_meta_query(); $meta_query[] = $this->stock_status_meta_query(); return array_filter( $meta_query ); } /** * 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; } /** * Layered Nav Init */ public function layered_nav_init( ) { if ( is_active_widget( false, false, 'woocommerce_layered_nav', true ) && ! is_admin() ) { global $_chosen_attributes; $_chosen_attributes = array(); $attribute_taxonomies = wc_get_attribute_taxonomies(); if ( $attribute_taxonomies ) { foreach ( $attribute_taxonomies as $tax ) { $attribute = wc_sanitize_taxonomy_name( $tax->attribute_name ); $taxonomy = wc_attribute_taxonomy_name( $attribute ); $name = 'filter_' . $attribute; $query_type_name = 'query_type_' . $attribute; if ( ! empty( $_GET[ $name ] ) && taxonomy_exists( $taxonomy ) ) { $_chosen_attributes[ $taxonomy ]['terms'] = explode( ',', $_GET[ $name ] ); if ( empty( $_GET[ $query_type_name ] ) || ! in_array( strtolower( $_GET[ $query_type_name ] ), array( 'and', 'or' ) ) ) $_chosen_attributes[ $taxonomy ]['query_type'] = apply_filters( 'woocommerce_layered_nav_default_query_type', 'and' ); else $_chosen_attributes[ $taxonomy ]['query_type'] = strtolower( $_GET[ $query_type_name ] ); } } } add_filter('loop_shop_post_in', array( $this, 'layered_nav_query' ) ); } } /** * Layered Nav post filter * * @param array $filtered_posts * @return array */ public function layered_nav_query( $filtered_posts ) { global $_chosen_attributes, $wp_query; if ( sizeof( $_chosen_attributes ) > 0 ) { $matched_products = array( 'and' => array(), 'or' => array() ); $filtered_attribute = array( 'and' => false, 'or' => false ); foreach ( $_chosen_attributes as $attribute => $data ) { $matched_products_from_attribute = array(); $filtered = false; if ( sizeof( $data['terms'] ) > 0 ) { foreach ( $data['terms'] as $value ) { $posts = get_posts( array( 'post_type' => 'product', 'numberposts' => -1, 'post_status' => 'publish', 'fields' => 'ids', 'no_found_rows' => true, 'tax_query' => array( array( 'taxonomy' => $attribute, 'terms' => $value, 'field' => 'id' ) ) ) ); if ( ! is_wp_error( $posts ) ) { if ( sizeof( $matched_products_from_attribute ) > 0 || $filtered ) $matched_products_from_attribute = $data['query_type'] == 'or' ? array_merge( $posts, $matched_products_from_attribute ) : array_intersect( $posts, $matched_products_from_attribute ); else $matched_products_from_attribute = $posts; $filtered = true; } } } if ( sizeof( $matched_products[ $data['query_type'] ] ) > 0 || $filtered_attribute[ $data['query_type'] ] === true ) { $matched_products[ $data['query_type'] ] = ( $data['query_type'] == 'or' ) ? array_merge( $matched_products_from_attribute, $matched_products[ $data['query_type'] ] ) : array_intersect( $matched_products_from_attribute, $matched_products[ $data['query_type'] ] ); } else { $matched_products[ $data['query_type'] ] = $matched_products_from_attribute; } $filtered_attribute[ $data['query_type'] ] = true; $this->filtered_product_ids_for_taxonomy[ $attribute ] = $matched_products_from_attribute; } // Combine our AND and OR result sets if ( $filtered_attribute['and'] && $filtered_attribute['or'] ) $results = array_intersect( $matched_products[ 'and' ], $matched_products[ 'or' ] ); else $results = array_merge( $matched_products[ 'and' ], $matched_products[ 'or' ] ); if ( $filtered ) { WC()->query->layered_nav_post__in = $results; WC()->query->layered_nav_post__in[] = 0; if ( sizeof( $filtered_posts ) == 0 ) { $filtered_posts = $results; $filtered_posts[] = 0; } else { $filtered_posts = array_intersect( $filtered_posts, $results ); $filtered_posts[] = 0; } } } return (array) $filtered_posts; } /** * Price filter Init */ public function price_filter_init() { if ( is_active_widget( false, false, 'woocommerce_price_filter', true ) && ! is_admin() ) { $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; wp_register_script( 'wc-price-slider', WC()->plugin_url() . '/assets/js/frontend/price-slider' . $suffix . '.js', array( 'jquery-ui-slider' ), '1.6', true ); wp_localize_script( 'wc-price-slider', 'woocommerce_price_slider_params', array( 'currency_symbol' => get_woocommerce_currency_symbol(), 'currency_pos' => get_option( 'woocommerce_currency_pos' ), 'min_price' => isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : '', 'max_price' => isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : '' ) ); add_filter( 'loop_shop_post_in', array( $this, 'price_filter' ) ); } } /** * Price Filter post filter * * @param array $filtered_posts * @return array */ public function price_filter( $filtered_posts ) { global $wpdb; if ( isset( $_GET['max_price'] ) && isset( $_GET['min_price'] ) ) { $matched_products = array(); $min = floatval( $_GET['min_price'] ); $max = floatval( $_GET['max_price'] ); $matched_products_query = apply_filters( 'woocommerce_price_filter_results', $wpdb->get_results( $wpdb->prepare(" SELECT DISTINCT ID, post_parent, post_type FROM $wpdb->posts INNER JOIN $wpdb->postmeta ON ID = post_id WHERE post_type IN ( 'product', 'product_variation' ) AND post_status = 'publish' AND meta_key = %s AND meta_value BETWEEN %d AND %d ", '_price', $min, $max ), OBJECT_K ), $min, $max ); if ( $matched_products_query ) { foreach ( $matched_products_query as $product ) { if ( $product->post_type == 'product' ) $matched_products[] = $product->ID; if ( $product->post_parent > 0 && ! in_array( $product->post_parent, $matched_products ) ) $matched_products[] = $product->post_parent; } } // Filter the id's if ( sizeof( $filtered_posts ) == 0) { $filtered_posts = $matched_products; $filtered_posts[] = 0; } else { $filtered_posts = array_intersect( $filtered_posts, $matched_products ); $filtered_posts[] = 0; } } return (array) $filtered_posts; } } endif; return new WC_Query();