woo_widget_cssclass = 'widget_onsale'; $this->woo_widget_description = __( 'Display a list of your on-sale products on your site.', 'woocommerce' ); $this->woo_widget_idbase = 'woocommerce_onsale'; $this->woo_widget_name = __('WooCommerce On-sale', 'woocommerce' ); /* Widget settings. */ $widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description ); /* Create the widget. */ $this->WP_Widget('onsale', $this->woo_widget_name, $widget_ops); add_action( 'save_post', array(&$this, 'flush_widget_cache') ); add_action( 'deleted_post', array(&$this, 'flush_widget_cache') ); add_action( 'switch_theme', array(&$this, 'flush_widget_cache') ); } /** @see WP_Widget */ function widget($args, $instance) { global $wp_query, $woocommerce; $cache = wp_cache_get('widget_onsale', 'widget'); if ( !is_array($cache) ) $cache = array(); if ( isset($cache[$args['widget_id']]) ) { echo $cache[$args['widget_id']]; return; } ob_start(); extract($args); $title = apply_filters('widget_title', empty($instance['title']) ? __('On Sale', 'woocommerce') : $instance['title'], $instance, $this->id_base); if ( !$number = (int) $instance['number'] ) $number = 10; else if ( $number < 1 ) $number = 1; else if ( $number > 15 ) $number = 15; // Get products on sale if ( false === ( $product_ids_on_sale = get_transient( 'wc_products_onsale' ) ) ) : $meta_query = array(); $meta_query[] = array( 'key' => '_sale_price', 'value' => 0, 'compare' => '>', 'type' => 'NUMERIC' ); $on_sale = get_posts(array( 'post_type' => array('product', 'product_variation'), 'posts_per_page' => -1, 'post_status' => 'publish', 'meta_query' => $meta_query, 'fields' => 'id=>parent' )); $product_ids_on_sale = array_unique(array_merge(array_values($on_sale), array_keys($on_sale))); set_transient( 'wc_products_onsale', $product_ids_on_sale ); endif; $product_ids_on_sale[] = 0; $meta_query = array(); $meta_query[] = $woocommerce->query->visibility_meta_query(); $meta_query[] = $woocommerce->query->stock_status_meta_query(); $query_args = array( 'posts_per_page' => $number, 'no_found_rows' => 1, 'post_status' => 'publish', 'post_type' => 'product', 'orderby' => 'rand', 'meta_query' => $meta_query, 'post__in' => $product_ids_on_sale ); $r = new WP_Query($query_args); if ($r->have_posts()) : ?> update */ function update( $new_instance, $old_instance ) { $instance = $old_instance; $instance['title'] = strip_tags($new_instance['title']); $instance['number'] = (int) $new_instance['number']; $this->flush_widget_cache(); $alloptions = wp_cache_get( 'alloptions', 'options' ); if ( isset($alloptions['widget_onsale']) ) delete_option('widget_onsale'); return $instance; } function flush_widget_cache() { wp_cache_delete('widget_onsale', 'widget'); } /** @see WP_Widget->form */ function form( $instance ) { $title = isset($instance['title']) ? esc_attr($instance['title']) : ''; if ( !isset($instance['number']) || !$number = (int) $instance['number'] ) $number = 5; ?>