bebeboutik/override/controllers/ProductController.php

<?php
class ProductController extends ProductControllerCore {
	public function preProcess() {
		parent::preProcess();

		if(Module::isInstalled('privatesales')) {
			$id_category = $this->product->id_category_default;
			$sale = Sale::getSaleFromCategory($id_category);

			/* Find out the good Category for thumb*/
 			$found_category = false;
 			if (isset($_SERVER['HTTP_REFERER']) AND preg_match('!^(.*)\/([0-9]+)\-(.*[^\.])|(.*)id_category=([0-9]+)(.*)$!', $_SERVER['HTTP_REFERER'], $regs) AND !strstr($_SERVER['HTTP_REFERER'], '.html'))
 			{
 				if (isset($regs[2]) AND is_numeric($regs[2]))
 				{
 					if (Product::idIsOnCategoryId((int)($this->product->id), array('0' => array('id_category' => (int)($regs[2])))))
 						$found_category = (int)$regs[2];
 				}
 				elseif (isset($regs[5]) AND is_numeric($regs[5]))
 				{
 					if (Product::idIsOnCategoryId((int)($this->product->id), array('0' => array('id_category' => (int)($regs[5])))))
 						$found_category = (int)$regs[5];
 				}
 			}

 			if ($found_category && file_exists(_PS_ROOT_DIR_.'/img/c/'.(int)$found_category.'_thumb_vp.jpg') && $found_category != $sale->id_category) {
 				$id_category_thumb = $found_category;
 			} elseif (file_exists(_PS_ROOT_DIR_.'/img/c/'.(int)$id_category.'_thumb_vp.jpg') && $id_category != $sale->id_category) {
				$id_category_thumb = $id_category;
			} else {
				$id_category_thumb = $sale->id_category;
			}

			self::$smarty->assign(array(
				'sale' => $sale,
				'HOOK_PRIVATESALES_PRODUCT' => Module::hookExec('privatesales_product', array('sale' => $sale)),
				'is_sale_home' => ($sale? $sale->id_category == $id_category: FALSE),
				'is_thumb_vp' => (file_exists(_PS_ROOT_DIR_.'/img/c/'.$id_category_thumb.'_thumb_vp.jpg')),
				'id_category_thumb' => $id_category_thumb,
			));

			// assign date estimation from sale delay
			if (Module::isInstalled('privatesales_delay')) {
				if (!class_exists('SaleDelay')) {
					require_once _PS_ROOT_DIR_.'/modules/privatesales_delay/saledelay.php';
				}
				$date = new DateTime();
				$delivery_date = SaleDelay::getDeliveryDate(array($sale->delivery_delay), null, $date, true);
			}
		}

		$bestSaleCart = Module::hookExec('bestSaleCart');
		self::$smarty->assign(array(
			'bestSaleCart' => $bestSaleCart,
			'product' => $this->product,
			'coverImage' => Product::getCover($this->product->id),
			'delivery_date' => (!empty($delivery_date)?$delivery_date:null),
		));
	}

	public function setMedia() {
		parent::setMedia();

		global $css_files;
		$css_files = array_slice($css_files, 0, 1);

		if(!_PS_MOBILE_) {
			Tools::addJS(array(
				_THEME_JS_DIR_.'jquery.mousewheel.js',
				_THEME_JS_DIR_.'jquery.jscrollpane.min.js'
			));
		}
	}
}