Total_sales / Best sellers widget

classes/order.class.php

@@ -379,7 +379,15 @@ class woocommerce_order {
 				clean_term_cache( '', 'shop_order_status' );
 				
 				// Date
-				if ($new_status->slug=='completed') update_post_meta( $this->id, '_completed_date', current_time('mysql') );
+				if ($new_status->slug=='completed') :
+					update_post_meta( $this->id, '_completed_date', current_time('mysql') );
+				endif;
+				
+				// Sales
+				if ($this->status == 'on-hold' && ($new_status->slug=='processing' || $new_status->slug=='completed')) :
+					$this->record_product_sales();
+				endif;
+				
 			endif;
 		
 		endif;
@@ -405,6 +413,7 @@ class woocommerce_order {
 	 * Most of the time this should mark an order as 'processing' so that admin can process/post the items
 	 * If the cart contains only downloadable items then the order is 'complete' since the admin needs to take no action
 	 * Stock levels are reduced at this point
+	 * Sales are also recorded for products
 	 */
 	function payment_complete() {
 		
@@ -415,6 +424,7 @@ class woocommerce_order {
 		if (sizeof($this->items)>0) foreach ($this->items as $item) :
 		
 			if ($item['id']>0) :
+			
 				$_product = $this->get_product_from_item( $item );
 				
 				if ( $_product->exists && $_product->is_type('downloadable') ) :
@@ -439,11 +449,27 @@ class woocommerce_order {
 		
 		$this->update_status($new_order_status);
 		
-		// Payment is complete so reduce stock levels
+		// Payment is complete so reduce stock levels and record sales
+		$this->record_product_sales();
 		$this->reduce_order_stock();
 		
 	}
 	
+	/**
+	 * Record sales
+	 */
+	function record_product_sales() {
+	
+		if (sizeof($this->items)>0) foreach ($this->items as $item) :
+			if ($item['id']>0) :
+				$sales 	= (int) get_post_meta( $item['id'], 'total_sales', true );
+				$sales += (int) $item['qty'];
+				if ($sales) update_post_meta( $item['id'], 'total_sales', $sales );
+			endif;
+		endforeach;
+		
+	}
+	
 	/**
 	 * Reduce stock levels
 	 */

readme.txt

@@ -91,6 +91,8 @@ Yes you can! Join in on our GitHub repository :) https://github.com/woothemes/wo
 * Added basic rss feeds for products and product categories
 * Added functions which show tax/vat conditionally
 * Made use of transients to store average ratings and improve performance
+* Custom field for product total_sales when sold
+* Best sellers widget based on new total_sales field
 * Edit category - image fix
 * Order Complete email heading fix
 * 100% discount when price excludes tax logic fix

widgets/widget-best_sellers.php

@@ -0,0 +1,125 @@
+<?php
+/**
+ * Best Sellers Widget
+ * 
+ * @package		WooCommerce
+ * @category	Widgets
+ * @author		WooThemes
+ */
+
+class WooCommerce_Widget_Best_Sellers 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_Best_Sellers() {
+		
+		/* Widget variable settings. */
+		$this->woo_widget_cssclass = 'widget_best_sellers';
+		$this->woo_widget_description = __( 'Display a list of your best selling products on your site.', 'woothemes' );
+		$this->woo_widget_idbase = 'woocommerce_best_sellers';
+		$this->woo_widget_name = __('WooCommerce Best Sellers', 'woothemes' );
+		
+		/* Widget settings. */
+		$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
+		
+		/* Create the widget. */
+		$this->WP_Widget('best_sellers', $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;
+		
+		$cache = wp_cache_get('widget_best_sellers', 'widget');
+
+		if ( !is_array($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']) ? __('Best Sellers', '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;
+
+    	$query_args = array(
+    		'showposts' 	=> $number, 
+    		'nopaging' 		=> 0, 
+    		'post_status' 	=> 'publish', 
+    		'post_type' 	=> 'product',
+    		'meta_key' 		=> 'total_sales',
+    		'orderby' 		=> 'meta_value'
+    	);
+
+		$r = new WP_Query($query_args);
+		
+		if ($r->have_posts()) :
+?>
+		<?php echo $before_widget; ?>
+		<?php if ( $title ) echo $before_title . $title . $after_title; ?>
+		<ul class="product_list_widget">
+		<?php  while ($r->have_posts()) : $r->the_post(); $_product = &new woocommerce_product(get_the_ID()); ?>
+		<li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>">
+			<?php if (has_post_thumbnail()) the_post_thumbnail('shop_thumbnail'); else echo '<img src="'.$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" />'; ?>
+			<?php if ( get_the_title() ) the_title(); else the_ID(); ?>
+		</a> <?php echo $_product->get_price_html(); ?></li>
+		<?php endwhile; ?>
+		</ul>
+		<?php echo $after_widget; ?>
+<?php
+		endif;
+
+		if (isset($args['widget_id']) && isset($cache[$args['widget_id']])) $cache[$args['widget_id']] = ob_get_flush();
+		wp_cache_set('widget_best_sellers', $cache, 'widget');
+	}
+
+	/** @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_best_sellers']) ) delete_option('widget_best_sellers');
+
+		return $instance;
+	}
+
+	function flush_widget_cache() {
+		wp_cache_delete('widget_best_sellers', '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 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:', 'woothemes'); ?></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
+	}
+} 

widgets/widgets-init.php

@@ -20,6 +20,7 @@ include_once('widget-recent_products.php');
 include_once('widget-top_rated_products.php');
 include_once('widget-recent_reviews.php');
 include_once('widget-recently_viewed.php');
+include_once('widget-best_sellers.php');
 
 function woocommerce_register_widgets() {
 	register_widget('WooCommerce_Widget_Recent_Products');
@@ -33,5 +34,6 @@ function woocommerce_register_widgets() {
 	register_widget('WooCommerce_Widget_Top_Rated_Products');
 	register_widget('WooCommerce_Widget_Recent_Reviews');
 	register_widget('WooCommerce_Widget_Recently_Viewed');
+	register_widget('WooCommerce_Widget_Best_Sellers');
 }
 add_action('widgets_init', 'woocommerce_register_widgets');