Хорошо, вот что я сделал.Я поместил следующий код - который я написал:
/* Add Customer Type to Invoice */
$write = Mage::getSingleton('core/resource')->getConnection('core_write');
$readresult=$write->query("select customer_id from `sales_order` where increment_id = ".$order->getIncrementId()." limit 0,1;");
$row = $readresult->fetch();
$customerId = $row['customer_id'];
$myRoleId = 1;
if (!empty($customerId)) {
$write = Mage::getSingleton('core/resource')->getConnection('core_write');
$readresult=$write->query("select group_id from `customer_entity` where entity_id = ".$customerId." limit 0,1;");
$row = $readresult->fetch();
$myRoleId = $row['group_id'];
}
switch ($myRoleId){
case 2: $groupTitle = 'Wholesaler Invoice';
break;
case 3: $groupTitle = 'Retailer Invoice';
break;
case 4: $groupTitle = 'Dealer Invoice';
break;
default: $groupTitle = 'Customer Invoice';
break;
}
$page->drawText($groupTitle, 480, 780, 'UTF-8');
/* End add Customer Type */
Сразу после этого блока кода, который уже существовал:
/* Add head */
$this->insertOrder($page, $order, Mage::getStoreConfigFlag(self::XML_PATH_SALES_PDF_INVOICE_PUT_ORDER_ID, $order->getStoreId()));
$page->setFillColor(new Zend_Pdf_Color_GrayScale(1));
$this->_setFontRegular($page);
$page->drawText(Mage::helper('sales')->__('Invoice # ') . $invoice->getIncrementId(), 35, 780, 'UTF-8');
В приложении \ code \ local \ Mage \ Sales \Модель \ Заказ \ Pdf \ Invoice.php file