From d73fbd21e74c0fc32a71169befea83717bb33184 Mon Sep 17 00:00:00 2001
From: Gregory Roussac <gRoussac@users.noreply.github.com>
Date: Thu, 21 Jan 2016 20:33:22 +0100
Subject: [PATCH] Update blockbestsellers.php

---
 blockbestsellers.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/blockbestsellers.php b/blockbestsellers.php
index 6df8425..6b4f871 100644
--- a/blockbestsellers.php
+++ b/blockbestsellers.php
@@ -204,7 +204,7 @@ public function hookDisplayHomeTab($params)
 	{
 		if (!$this->isCached('tab.tpl', $this->getCacheId('blockbestsellers-tab')))
 		{
-			BlockBestSellers::$cache_best_sellers = $this->getBestSellers($params);
+			$this->memoize($params);
 			$this->smarty->assign('best_sellers', BlockBestSellers::$cache_best_sellers);
 		}
 
@@ -218,6 +218,7 @@ public function hookDisplayHome($params)
 	{
 		if (!$this->isCached('blockbestsellers-home.tpl', $this->getCacheId('blockbestsellers-home')))
 		{
+			$this->memoize($params);
 			$this->smarty->assign(array(
 				'best_sellers' => BlockBestSellers::$cache_best_sellers,
 				'homeSize' => Image::getSize(ImageType::getFormatedName('home'))
@@ -259,6 +260,14 @@ public function hookLeftColumn($params)
 	{
 		return $this->hookRightColumn($params);
 	}
+	
+	protected function memoize($params)
+	{
+		if (!isset(BlockBestSellers::$cache_best_sellers)) {
+			BlockBestSellers::$cache_best_sellers = $this->getBestSellers($params);
+		}
+		return BlockBestSellers::$cache_best_sellers;
+	}	
 
 	protected function getBestSellers($params)
 	{