vikbooking / libraries / adapter / payment / dispatcher.php

dispatcher.php in VikBooking Hotel Booking Engine & PMS 1.6.4, at libraries/adapter/payment/dispatcher.php

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1	<?php
2	/**
3	* @package VikWP - Libraries
4	* @subpackage adapter.payment
5	* @author E4J s.r.l.
6	* @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved.
7	* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
8	* @link https://vikwp.com
9	*/
10
11	// No direct access
12	defined('ABSPATH') or die('No script kiddies please!');
13
14	JLoader::import('adapter.payment.payment');
15
16	/**
17	* Abstract factory used to instantiate different payment gateways.
18	* The example below describes how to hook the payments to this dispatcher.
19	*
20	* add_action('load_payment_gateway_myplugin', function(&$drivers, $payment)
21	* {
22	* if ($payment == 'paypal')
23	* {
24	* JLoader::import('admin.payments.paypal', MYPLUGIN_BASE);
25	* $drivers[] = 'MyPluginPayPalPayment';
26	* }
27	* }, 10, 2);
28	*
29	* It is mandatory to indicate also the number of accepted arguments.
30	*
31	* @since 10.1
32	*/
33	class JPaymentDispatcher
34	{
35	/**
36	* A list containing all the payment instances.
37	*
38	* @var JPayment[]
39	*/
40	protected static $instances = array();
41
42	/**
43	* Provides a new instance for the specified arguments.
44	*
45	* @param string $plugin The name of the plugin that requested the payment.
46	* @param string $payment The name of the payment that should be instantiated.
47	* @param mixed $order The details of the order that has to be paid.
48	* @param mixed $config The payment configuration array or a JSON string.
49	*
50	* @return JPayment The payment found.
51	*
52	* @throws RuntimeException In case the requested payment doesn't exist.
53	*/
54	public static function getInstance($plugin, $payment, $order = array(), $config = array())
55	{
56	if (substr($payment, -4) == '.php')
57	{
58	// make sure the payment doesn't contain PHP extension
59	$payment = substr($payment, 0, -4);
60	}
61
62	// create unique identifier
63	$sign = $plugin . '.' . $payment;
64
65	// check if the payment was already instantiated
66	if (!isset(static::$instances[$sign]))
67	{
68	$classname = null;
69	$drivers = array();
70
71	/**
72	* Trigger action to obtain a list of classnames of the payment gateway.
73	* The action should autoload the file that contains the classname.
74	* In case the payment should be loaded, the classname MUST be
75	* pushed within the &$drivers array.
76	* Fires before the instantiation of the returned classname.
77	*
78	* @param array A reference to the list of available drivers.
79	* @param string The name of the gateway to load.
80	*
81	* @since 10.1.1
82	*/
83	do_action_ref_array('load_payment_gateway_' . $plugin, array(&$drivers, $payment));
84
85	// use the last driver in the list
86	$classname = array_pop($drivers);
87
88	if (!$classname \|\| !class_exists($classname))
89	{
90	// payment not found, raise an exception
91	throw new RuntimeException('The payment [' . $payment . '] for [' . $plugin . '] does not exist.', 404);
92	}
93
94	// instantiate the payment
95	$payment = new $classname($plugin, $order, $config);
96
97	if (!$payment instanceof JPayment)
98	{
99	// the class is not an instance of JPayment, raise an exception
100	throw new RuntimeException('The payment [' . $classname . '] is not a valid instance.', 500);
101	}
102
103	// cache the payment
104	static::$instances[$sign] = $payment;
105	}
106
107	return static::$instances[$sign];
108	}
109
110	/**
111	* Returns a list of all the drivers supported by the specified plugin.
112	* The payments will be returned in ascending order.
113	*
114	* @param string $plugin The name of the plugin.
115	*
116	* @return array A list of drivers.
117	*
118	* @since 10.1.35
119	*/
120	public static function getSupportedDrivers($plugin)
121	{
122	// init drivers array
123	$drivers = array();
124
125	/**
126	* Hook used to filter the list of all the supported drivers.
127	* Every plugin attached to this filter will be able to push one
128	* or more gateways within the $drivers array.
129	*
130	* @param array An array containing the list of the supported payments.
131	*
132	* @since 10.1
133	*/
134	$drivers = apply_filters('get_supported_payments_' . $plugin, $drivers);
135
136	// remove duplicated records
137	$drivers = array_values(array_unique(array_filter($drivers)));
138
139	// get rid of the file path and file extension
140	$drivers = array_map(function($driver)
141	{
142	return basename($driver, '.php');
143	}, $drivers);
144
145	// sort by ascending driver name
146	sort($drivers);
147
148	return $drivers;
149	}
150	}
151