public function view($supplierId = null)
{
$supplierService = new SupplierService();
$supplierDetails = $supplierService->fetchDetailed($supplierId);
if ($supplierDetails == null) {
$this->renderView('/common/general_error', array('errorMessage' => "Oops, this supplier does not exist."));
return;
}
$itemsSupplied = $supplierService->fetchItemsSupplied($supplierId);
$this->renderView('view', array('supplier' => $supplierDetails, 'itemsSupplied' => $itemsSupplied));
}