139 lines
5.2 KiB
PHP
139 lines
5.2 KiB
PHP
<?php
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/**
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* Recent Products Widget
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*
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* @package WooCommerce
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* @category Widgets
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* @author WooThemes
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*/
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class WooCommerce_Widget_Recently_Viewed extends WP_Widget {
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/** Variables to setup the widget. */
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var $woo_widget_cssclass;
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var $woo_widget_description;
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var $woo_widget_idbase;
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var $woo_widget_name;
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/** constructor */
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function WooCommerce_Widget_Recently_Viewed() {
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/* Widget variable settings. */
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$this->woo_widget_cssclass = 'widget_recently_viewed_products';
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$this->woo_widget_description = __( 'Display a list of recently viewed products.', 'woothemes' );
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$this->woo_widget_idbase = 'woocommerce_recently_viewed_products';
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$this->woo_widget_name = __('WooCommerce Recently Viewed Products', 'woothemes' );
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/* Widget settings. */
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$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
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/* Create the widget. */
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$this->WP_Widget('recently_viewed_products', $this->woo_widget_name, $widget_ops);
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add_action( 'save_post', array(&$this, 'flush_widget_cache') );
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add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
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add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
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}
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/** @see WP_Widget::widget */
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function widget($args, $instance) {
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$cache = wp_cache_get('recently_viewed_products', 'widget');
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if ( !is_array($cache) ) $cache = array();
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if ( isset($cache[$args['widget_id']]) ) {
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echo $cache[$args['widget_id']];
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return;
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}
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if (!isset($_SESSION['viewed_products']) || sizeof($_SESSION['viewed_products'])==0) return;
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ob_start();
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extract($args);
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$title = apply_filters('widget_title', empty($instance['title']) ? __('Recently viewed', 'woothemes') : $instance['title'], $instance, $this->id_base);
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if ( !$number = (int) $instance['number'] )
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$number = 10;
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else if ( $number < 1 )
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$number = 1;
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else if ( $number > 15 )
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$number = 15;
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$args = array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'post_type' => 'product', 'post__in' => $_SESSION['viewed_products'], 'orderby' => 'rand');
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$r = new WP_Query($args);
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if ($r->have_posts()) :
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?>
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<?php echo $before_widget; ?>
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<?php if ( $title ) echo $before_title . $title . $after_title; ?>
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<ul class="product_list_widget">
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<?php while ($r->have_posts()) : $r->the_post(); $_product = &new woocommerce_product(get_the_ID()); ?>
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<li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>">
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<?php if (has_post_thumbnail()) the_post_thumbnail('shop_thumbnail'); else echo '<img src="'.woocommerce::plugin_url().'/assets/images/placeholder.png" alt="Placeholder" width="'.woocommerce::get_image_size('shop_thumbnail_image_width').'px" height="'.woocommerce::get_image_size('shop_thumbnail_image_height').'px" />'; ?>
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<?php if ( get_the_title() ) the_title(); else the_ID(); ?>
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</a> <?php echo $_product->get_price_html(); ?></li>
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<?php endwhile; ?>
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</ul>
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<?php echo $after_widget; ?>
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<?php
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// Reset the global $the_post as this query will have stomped on it
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wp_reset_query();
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endif;
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if (isset($args['widget_id']) && isset($cache[$args['widget_id']])) $cache[$args['widget_id']] = ob_get_flush();
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wp_cache_set('recently_viewed_products', $cache, 'widget');
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}
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/** @see WP_Widget::update */
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function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$instance['title'] = strip_tags($new_instance['title']);
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$instance['number'] = (int) $new_instance['number'];
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$this->flush_widget_cache();
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$alloptions = wp_cache_get( 'alloptions', 'options' );
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if ( isset($alloptions['recently_viewed_products']) ) delete_option('recently_viewed_products');
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return $instance;
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}
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function flush_widget_cache() {
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wp_cache_delete('recently_viewed_products', 'widget');
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}
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/** @see WP_Widget::form */
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function form( $instance ) {
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$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
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if ( !isset($instance['number']) || !$number = (int) $instance['number'] ) $number = 5;
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$show_variations = isset( $instance['show_variations'] ) ? (bool) $instance['show_variations'] : false;
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?>
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<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'woothemes'); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>
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<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of products to show:', 'woothemes'); ?></label>
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<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>
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<?php
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}
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} // class WooCommerce_Widget_Recently_Viewed
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/**
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* Track product views
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*/
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add_action( 'woocommerce_before_single_product', 'woocommerce_track_product_view', 10, 2);
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function woocommerce_track_product_view( $post, $_product ) {
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if (!isset($_SESSION['viewed_products']) || !is_array($_SESSION['viewed_products'])) $_SESSION['viewed_products'] = array();
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if (!in_array($post->ID, $_SESSION['viewed_products'])) $_SESSION['viewed_products'][] = $post->ID;
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if (sizeof($_SESSION['viewed_products'])>15) array_shift($_SESSION['viewed_products']);
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}
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