From d1dbe4492e9f3ed9c34510053064e2331cfb8fbb Mon Sep 17 00:00:00 2001
From: Mike Jolley <mike.jolley@me.com>
Date: Thu, 3 Jul 2014 12:01:51 +0100
Subject: [PATCH] Clear comment transients only on wp_update_comment_count

Does not need to be flushed when editing a product. Part of #5777
---
 includes/class-wc-comments.php    | 19 ++++++-------------
 includes/class-wc-install.php     |  3 ---
 includes/wc-product-functions.php |  4 +---
 3 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/includes/class-wc-comments.php b/includes/class-wc-comments.php
index b67ccdc9703..f7573a1796c 100644
--- a/includes/class-wc-comments.php
+++ b/includes/class-wc-comments.php
@@ -26,8 +26,7 @@ class WC_Comments {
 		add_action( 'comment_post', array( __CLASS__, 'add_comment_rating' ), 1 );
 
 		// clear transients
-		add_action( 'wp_set_comment_status', array( __CLASS__, 'clear_transients' ) );
-		add_action( 'edit_comment', array( __CLASS__, 'clear_transients' ) );
+		add_action( 'wp_update_comment_count', array( __CLASS__, 'clear_transients' ) );
 
 		// Secure order notes
 		add_filter( 'comments_clauses', array( __CLASS__, 'exclude_order_comments' ), 10, 1 );
@@ -121,13 +120,11 @@ class WC_Comments {
 	 */
 	public static function add_comment_rating( $comment_id ) {
 		if ( isset( $_POST['rating'] ) ) {
-
-			if ( ! $_POST['rating'] || $_POST['rating'] > 5 || $_POST['rating'] < 0 )
+			if ( ! $_POST['rating'] || $_POST['rating'] > 5 || $_POST['rating'] < 0 ) {
 				return;
+			}
 
 			add_comment_meta( $comment_id, 'rating', (int) esc_attr( $_POST['rating'] ), true );
-
-			self::clear_transients( $comment_id );
 		}
 	}
 
@@ -136,13 +133,9 @@ class WC_Comments {
 	 *
 	 * @param mixed $comment_id
 	 */
-	public static function clear_transients( $comment_id ) {
-		$comment = get_comment( $comment_id );
-
-		if ( ! empty( $comment->comment_post_ID ) ) {
-			delete_transient( 'wc_average_rating_' . absint( $comment->comment_post_ID ) );
-			delete_transient( 'wc_rating_count_' . absint( $comment->comment_post_ID ) );
-		}
+	public static function clear_transients( $post_id ) {
+		delete_transient( 'wc_average_rating_' . absint( $post_id ) );
+		delete_transient( 'wc_rating_count_' . absint( $post_id ) );
 	}
 }
 
diff --git a/includes/class-wc-install.php b/includes/class-wc-install.php
index d13cb5c6c40..62e8a4aa6cc 100644
--- a/includes/class-wc-install.php
+++ b/includes/class-wc-install.php
@@ -108,9 +108,6 @@ class WC_Install {
 		$this->create_files();
 		$this->create_css_from_less();
 
-		// Clear transient cache
-		wc_delete_product_transients();
-
 		// Queue upgrades
 		$current_version    = get_option( 'woocommerce_version', null );
 		$current_db_version = get_option( 'woocommerce_db_version', null );
diff --git a/includes/wc-product-functions.php b/includes/wc-product-functions.php
index 15932d82b8c..33c390379ba 100644
--- a/includes/wc-product-functions.php
+++ b/includes/wc-product-functions.php
@@ -92,9 +92,7 @@ function wc_delete_product_transients( $post_id = 0 ) {
 	// Clear product specific transients
 	$post_transient_names = array(
 		'wc_product_children_ids_',
-		'wc_product_total_stock_',
-		'wc_average_rating_',
-		'wc_rating_count_'
+		'wc_product_total_stock_'
 	);
 
 	if ( $post_id > 0 ) {