woocommerce/classes/widgets/class-wc-widget-recently-vi...

174 lines
5.1 KiB
PHP

<?php
/**
* Recent Products Widget
*
* @author WooThemes
* @category Widgets
* @package WooCommerce/Widgets
* @version 1.6.4
* @extends WP_Widget
*/
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
class WC_Widget_Recently_Viewed extends WP_Widget {
var $woo_widget_cssclass;
var $woo_widget_description;
var $woo_widget_idbase;
var $woo_widget_name;
/**
* constructor
*
* @access public
* @return void
*/
function WC_Widget_Recently_Viewed() {
/* Widget variable settings. */
$this->woo_widget_cssclass = 'woocommerce widget_recently_viewed_products';
$this->woo_widget_description = __( 'Display a list of recently viewed products.', 'woocommerce' );
$this->woo_widget_idbase = 'woocommerce_recently_viewed_products';
$this->woo_widget_name = __( 'WooCommerce Recently Viewed Products', 'woocommerce' );
/* Widget settings. */
$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
/* Create the widget. */
$this->WP_Widget('recently_viewed_products', $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' ) );
}
/**
* widget function.
*
* @see WP_Widget
* @access public
* @param array $args
* @param array $instance
* @return void
*/
function widget($args, $instance) {
global $woocommerce;
$cache = wp_cache_get('recently_viewed_products', 'widget');
if ( !is_array($cache) ) $cache = array();
if ( isset($cache[$args['widget_id']]) ) {
echo $cache[$args['widget_id']];
return;
}
$viewed_products = ! empty( $_COOKIE['woocommerce_recently_viewed'] ) ? (array) explode( '|', $_COOKIE['woocommerce_recently_viewed'] ) : array();
$viewed_products = array_filter( array_map( 'absint', $viewed_products ) );
if ( empty( $viewed_products ) )
return;
ob_start();
extract( $args );
$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Recently viewed', '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;
$query_args = array('posts_per_page' => $number, 'no_found_rows' => 1, 'post_status' => 'publish', 'post_type' => 'product', 'post__in' => $viewed_products, 'orderby' => 'rand');
$query_args['meta_query'] = array();
$query_args['meta_query'][] = $woocommerce->query->stock_status_meta_query();
$r = new WP_Query($query_args);
if ( $r->have_posts() ) {
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
echo '<ul class="product_list_widget">';
while ( $r->have_posts()) {
$r->the_post();
global $product;
echo '<li>
<a href="' . get_permalink() . '">
' . ( has_post_thumbnail() ? get_the_post_thumbnail( $r->post->ID, 'shop_thumbnail' ) : woocommerce_placeholder_img( 'shop_thumbnail' ) ) . ' ' . get_the_title() . '
</a> ' . $product->get_price_html() . '
</li>';
}
echo '</ul>';
echo $after_widget;
}
$content = ob_get_clean();
if ( isset( $args['widget_id'] ) ) $cache[$args['widget_id']] = $content;
echo $content;
wp_cache_set('recently_viewed_products', $cache, 'widget');
}
/**
* update function.
*
* @see WP_Widget->update
* @access public
* @param array $new_instance
* @param array $old_instance
* @return array
*/
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['recently_viewed_products']) ) delete_option('recently_viewed_products');
return $instance;
}
function flush_widget_cache() {
wp_cache_delete('recently_viewed_products', 'widget');
}
/**
* form function.
*
* @see WP_Widget->form
* @access public
* @param array $instance
* @return void
*/
function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
if ( !isset($instance['number']) || !$number = (int) $instance['number'] ) $number = 5;
$show_variations = isset( $instance['show_variations'] ) ? (bool) $instance['show_variations'] : false;
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:', 'woocommerce' ); ?></label>
<input class="widefat" id="<?php echo esc_attr( $this->get_field_id('title') ); ?>" name="<?php echo esc_attr( $this->get_field_name('title') ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e( 'Number of products to show:', 'woocommerce' ); ?></label>
<input id="<?php echo esc_attr( $this->get_field_id('number') ); ?>" name="<?php echo esc_attr( $this->get_field_name('number') ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3" /></p>
<?php
}
}