File example/BalanceChangeHandler.php | PSR-14 PortaBilling ESPF event handling API

1:	<?php
2:
3:	/*
4:	* Library to use PortBilling events with PSR-14 event dispatch
5:	*
6:	* Example of Event handler
7:	*/
8:
9:	namespace Porta\Psr14Event\Example;
10:
11:	use Porta\Psr14Event\Event;
12:	use Porta\Psr14Event\EventHandlerBase;
13:
14:	/**
15:	* Example to handle two event types
16:	*
17:	* Handle two event types:
18:	* - Account/BalanceChanged
19:	* - Customer/BalanceChanged
20:	*
21:	* Do nothing, but writing balance changes into php main log
22:	*
23:	*/
24:	class BalanceChangeHandler extends EventHandlerBase
25:	{
26:
27:	protected function eventAccountBalanceChanged(Event $event): void
28:	{
29:	// Use event variables as array members
30:	error_log("Account # {$event['billing_entity_id']} balance changed "
31:	. "from {$event['prev_balance']} to {$event['curr_balance']}");
32:
33:	// Register processing was successfull
34:	$event->onSuccess();
35:	}
36:
37:	protected function eventCustomerBalanceChanged(Event $event): void
38:	{
39:	// Use event variables as class properties
40:	error_log("Customer # $event->billing_entity_id balance changed "
41:	. "from $event->prev_balance to $event->curr_balance");
42:
43:	// Register processing was successfull
44:	$event->onSuccess();
45:	}
46:	}
47: