143 lines
5.5 KiB
PHP
143 lines
5.5 KiB
PHP
<?php
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/**
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* Top Rated Products Widget
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*
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* Gets and displays top rated products in an unordered list
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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_Top_Rated_Products 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 $woo_widget_name;
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/** constructor */
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function WooCommerce_Widget_Top_Rated_Products() {
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/* Widget variable settings. */
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$this->woo_widget_cssclass = 'widget_top_rated_products';
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$this->woo_widget_description = __( 'Display a list of top rated products on your site.', 'woothemes' );
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$this->woo_widget_idbase = 'woocommerce_top_rated_products';
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$this->woo_widget_name = __('WooCommerce Top Rated Products', 'woothemes' );
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/* Widget settings. */
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$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('top-rated-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 */
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function widget($args, $instance) {
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global $woocommerce;
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$cache = wp_cache_get('widget_top_rated_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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ob_start();
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extract($args);
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$title = apply_filters('widget_title', empty($instance['title']) ? __('Top Rated Products', 'woothemes') : $instance['title'], $instance, $this->id_base);
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if ( !$number = (int) $instance['number'] ) $number = 10;
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else if ( $number < 1 ) $number = 1;
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else if ( $number > 15 ) $number = 15;
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add_filter( 'posts_clauses', array(&$this, 'order_by_rating_post_clauses') );
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$args = array('posts_per_page' => $number, 'post_status' => 'publish', 'post_type' => 'product' );
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$top_rated_posts = new WP_Query( $args );
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if ($top_rated_posts->have_posts()) :
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echo $before_widget;
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if ( $title ) echo $before_title . $title . $after_title;
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?>
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<ul class="product_list_widget">
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<?php while ($top_rated_posts->have_posts()) : $top_rated_posts->the_post(); $_product = &new woocommerce_product( $top_rated_posts->post->ID );
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?>
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<li><a href="<?php echo esc_url( 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); ?>">
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<?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" />'; ?>
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<?php if ( $top_rated_posts->post->post_title ) echo get_the_title( $top_rated_posts->post->ID ); else echo $top_rated_posts->post->ID; ?>
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</a> <?php echo $_product->get_rating_html('sidebar'); ?><?php echo $_product->get_price_html(); ?></li>
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<?php endwhile; ?>
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</ul>
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<?php
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echo $after_widget;
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endif;
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wp_reset_query();
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remove_filter( 'posts_clauses', array(&$this, 'order_by_rating_post_clauses') );
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$cache[$args['widget_id']] = ob_get_flush();
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wp_cache_set('widget_top_rated_products', $cache, 'widget');
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}
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function order_by_rating_post_clauses( $args ) {
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global $wpdb;
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$args['where'] .= " AND $wpdb->commentmeta.meta_key = 'rating' ";
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$args['join'] = "
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LEFT JOIN $wpdb->comments ON($wpdb->posts.ID = $wpdb->comments.comment_post_ID)
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LEFT JOIN $wpdb->commentmeta ON($wpdb->comments.comment_ID = $wpdb->commentmeta.comment_id)
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";
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$args['orderby'] = "$wpdb->commentmeta.meta_value DESC";
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$args['groupby'] = "$wpdb->posts.ID";
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return $args;
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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['widget_top_rated_products']) ) delete_option('widget_top_rated_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('widget_top_rated_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) $instance['number'] )
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$number = 5;
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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 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>
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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 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>
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<?php
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}
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} // class WooCommerce_widget_top_rated_products
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