shop:onOrderBeforeUpdate event
The shop:onOrderBeforeUpdate event is triggered before an order record is updated in the database. It can happen when a user saves an order in the Administration Area. The event handler should accept two parameters - the order object (Shop_Order) and the form session key. You can use the session key for loading a list of the order items.
Event handler example:
public function subscribeEvents()
{
Backend::$events->addEvent('shop:onOrderBeforeUpdate', $this, 'process_order_update');
}
public function process_order_update($order, $session_key)
{
// Perform some check
if ($order->total > 10000)
throw new Phpr_ApplicationException('Order total should not exceed $10,000');
$items = $order->list_related_records_deferred('items', $session_key);
}Next: shop:onOrderStockChange event
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