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woocommerce
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Made use of transients to store average ratings and improve performance. Closes #105.

This commit is contained in:
Mike Jolley 2011-10-31 14:49:30 +00:00
parent c3f5ccb637
commit 223f9ccad3
3 changed files with 37 additions and 23 deletions
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55
classes/product.class.php
View File

@ -527,34 +527,45 @@ class woocommerce_product {
return $price;
}
/** Returns the product rating in html format */
/** Returns the product rating in html format - ratings are stored in transient cache */
function get_rating_html( $location = '' ) {
global $wpdb;
if ($location) $location = '_'.$location;
$star_size = apply_filters('woocommerce_star_rating_size'.$location, 16);
if ( false === ( $average_rating = get_transient( $this->id . '_woocommerce_average_rating' ) ) ) :
$count = $wpdb->get_var("
SELECT COUNT(meta_value) FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = $this->id
AND comment_approved = '1'
AND meta_value > 0
");
$ratings = $wpdb->get_var("
SELECT SUM(meta_value) FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = $this->id
AND comment_approved = '1'
");
if ( $count>0 ) :
$rating = number_format($ratings / $count, 2);
global $wpdb;
$count = $wpdb->get_var("
SELECT COUNT(meta_value) FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = $this->id
AND comment_approved = '1'
AND meta_value > 0
");
return '<div class="star-rating" title="'.sprintf(__('Rated %s out of 5', 'woothemes'), $rating).'"><span style="width:'.($rating*$star_size).'px"><span class="rating">'.$rating.'</span> '.__('out of 5', 'woothemes').'</span></div>';
$ratings = $wpdb->get_var("
SELECT SUM(meta_value) FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = $this->id
AND comment_approved = '1'
");
if ( $count>0 ) :
$average_rating = number_format($ratings / $count, 2);
else :
$average_rating = '';
endif;
set_transient( $this->id . '_woocommerce_average_rating', $average_rating );
endif;
if ( $average_rating>0 ) :
return '<div class="star-rating" title="'.sprintf(__('Rated %s out of 5', 'woothemes'), $average_rating).'"><span style="width:'.($average_rating*$star_size).'px"><span class="rating">'.$average_rating.'</span> '.__('out of 5', 'woothemes').'</span></div>';
else :
return '';
endif;

1
readme.txt
View File

@ -93,6 +93,7 @@ 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
* Fixed variations - Incorrectly used instead $product_custom_fields of $parent_custom_fields
* Made use of transients to store average ratings and improve performance
= 1.1.3 - 27/10/2011 =
* Improved Force SSL Setting - now forces https urls for enqueued scripts and styles

4
woocommerce.php
View File

@ -515,8 +515,10 @@ function woocommerce_clean( $var ) {
**/
function woocommerce_add_comment_rating($comment_id) {
if ( isset($_POST['rating']) ) :
global $post;
if (!$_POST['rating'] || $_POST['rating'] > 5 || $_POST['rating'] < 0) $_POST['rating'] = 5;
add_comment_meta( $comment_id, 'rating', $_POST['rating'], true );
add_comment_meta( $comment_id, 'rating', esc_attr($_POST['rating']), true );
delete_transient( esc_attr($post->ID) . '_woocommerce_average_rating' );
endif;
}
add_action( 'comment_post', 'woocommerce_add_comment_rating', 1 );