woocommerce/widgets/widget-top_rated_products.php

143 lines
5.4 KiB
PHP

<?php
/**
* Top Rated Products Widget
*
* Gets and displays top rated products in an unordered list
*
* @package WooCommerce
* @category Widgets
* @author WooThemes
*/
class WooCommerce_Widget_Top_Rated_Products extends WP_Widget {
/** Variables to setup the widget. */
var $woo_widget_cssclass;
var $woo_widget_description;
var $woo_widget_idbase;
var $woo_widget_name;
/** constructor */
function WooCommerce_Widget_Top_Rated_Products() {
/* Widget variable settings. */
$this->woo_widget_cssclass = 'widget_top_rated_products';
$this->woo_widget_description = __( 'Display a list of top rated products on your site.', 'woothemes' );
$this->woo_widget_idbase = 'woocommerce_top_rated_products';
$this->woo_widget_name = __('WooCommerce Top Rated Products', 'woothemes' );
/* Widget settings. */
$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
/* Create the widget. */
$this->WP_Widget('top-rated-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') );
}
/** @see WP_Widget */
function widget($args, $instance) {
global $woocommerce;
$cache = wp_cache_get('widget_top_rated_products', 'widget');
if ( !is_array($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']) ? __('Top Rated Products', 'woothemes') : $instance['title'], $instance, $this->id_base);
if ( !$number = (int) $instance['number'] ) $number = 10;
else if ( $number < 1 ) $number = 1;
else if ( $number > 15 ) $number = 15;
add_filter( 'posts_clauses', array(&$this, 'order_by_rating_post_clauses') );
$args = array('posts_per_page' => $number, 'post_status' => 'publish', 'post_type' => 'product' );
$top_rated_posts = new WP_Query( $args );
if ($top_rated_posts->have_posts()) :
echo $before_widget;
if ( $title ) echo $before_title . $title . $after_title;
?>
<ul class="product_list_widget">
<?php while ($top_rated_posts->have_posts()) : $top_rated_posts->the_post(); $_product = &new woocommerce_product( $top_rated_posts->post->ID );
?>
<li><a href="<?php echo get_permalink( $top_rated_posts->post->ID ) ?>" title="<?php echo esc_attr($top_rated_posts->post->post_title ? $top_rated_posts->post->post_title : $top_rated_posts->post->ID); ?>">
<?php if (has_post_thumbnail( $top_rated_posts->post->ID )) echo get_the_post_thumbnail($top_rated_posts->post->ID, '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" />'; ?>
<?php if ( $top_rated_posts->post->post_title ) echo get_the_title( $top_rated_posts->post->ID ); else echo $top_rated_posts->post->ID; ?>
</a> <?php echo $_product->get_rating_html('sidebar'); ?><?php echo $_product->get_price_html(); ?></li>
<?php endwhile; ?>
</ul>
<?php
echo $after_widget;
endif;
wp_reset_query();
remove_filter( 'posts_clauses', array(&$this, 'order_by_rating_post_clauses') );
$cache[$args['widget_id']] = ob_get_flush();
wp_cache_set('widget_top_rated_products', $cache, 'widget');
}
function order_by_rating_post_clauses( $args ) {
global $wpdb;
$args['where'] .= " AND $wpdb->commentmeta.meta_key = 'rating' ";
$args['join'] = "
LEFT 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)
";
$args['orderby'] = "$wpdb->commentmeta.meta_value DESC";
$args['groupby'] = "$wpdb->posts.ID";
return $args;
}
/** @see WP_Widget->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_top_rated_products']) ) delete_option('widget_top_rated_products');
return $instance;
}
function flush_widget_cache() {
wp_cache_delete('widget_top_rated_products', '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;
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'woothemes'); ?></label>
<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>
<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of products to show:', 'woothemes'); ?></label>
<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>
<?php
}
} // class WooCommerce_widget_top_rated_products