/**
     * Load all of the supplied products into the database.  This will update any 
     * existing entries and add any new entries.  It is up to the user to manage 
     * the discontinuance of products.
     * @static : this is a static method
     * @return bool : True if the products were succssfully loaded.
     * @param $products DobaProducts
     */
    function loadDobaProductsIntoDB($products)
    {
        if (is_a($products, 'DobaProducts')) {
            $sql_prod = 'replace into ' . TABLE_PRODUCTS . ' 
							(products_id, products_quantity, products_model, products_image, products_price, products_last_modified, products_weight, 
							products_status, products_tax_class_id, manufacturers_id) 
						values ';
            $sql_cat = 'replace into ' . TABLE_PRODUCTS_TO_CATEGORIES . ' 
							(products_id, categories_id) 
						values';
            $sql_descr = 'replace into ' . TABLE_PRODUCTS_DESCRIPTION . ' 
							(products_id, language_id, products_name, products_description) 
						values ';
            $can_insert = false;
            foreach ($products->products as $prod) {
                if ($can_insert) {
                    $sql_prod .= ', ';
                    $sql_cat .= ', ';
                    $sql_descr .= ', ';
                }
                $can_insert = true;
                $products_id = $prod->item_id();
                $products_quantity = intval($prod->quantity());
                $products_model = $prod->product_sku();
                $img_url = $prod->image_url();
                if (empty($img_url)) {
                    $img_url = $prod->thumb_url();
                }
                $products_image = DobaInteraction::processImage($img_url, $products_id);
                $products_price = floatval($prod->price());
                $products_last_modified = 'now()';
                $products_weight = $prod->ship_weight();
                $products_status = $prod->quantity() > 0 ? 1 : 0;
                $products_tax_class_id = 1;
                $manufacturers_id = DobaInteraction::setBrandName($prod->brand());
                $categories_id = DobaInteraction::setCategoryName($prod->category_name());
                $language_id = 1;
                $products_name = $prod->title();
                $products_description = $prod->description();
                $sql_prod .= '(' . $products_id . ', ' . $products_quantity . ', "' . addslashes(tep_db_prepare_input($products_model)) . '", 
							"' . addslashes(tep_db_prepare_input($products_image)) . '", ' . $products_price . ', ' . $products_last_modified . ', 
							' . $products_weight . ', ' . $products_status . ', ' . $products_tax_class_id . ', ' . $manufacturers_id . ')';
                $sql_cat .= '(' . $products_id . ', ' . $categories_id . ')';
                $sql_descr .= '(' . $products_id . ', ' . $language_id . ', "' . addslashes(tep_db_prepare_input($products_name)) . '", 
							"' . addslashes(tep_db_prepare_input($products_description)) . '")';
            }
            if ($can_insert) {
                tep_db_query($sql_prod);
                tep_db_query($sql_cat);
                tep_db_query($sql_descr);
                $sql = 'update ' . TABLE_PRODUCTS . ' set products_date_added=now(), products_date_available=now() where products_date_added is NULL';
                tep_db_query($sql);
                return true;
            }
        }
        return false;
    }