tier-pricing-table / src / BackgroundProcessing / AsyncRequest.php

AsyncRequest.php in Tiered Pricing Table for WooCommerce 2.1, at src/BackgroundProcessing/AsyncRequest.php

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1	<?php namespace TierPricingTable\BackgroundProcessing;
2
3	/**
4	* Abstract WP_Async_Request class.
5	*
6	* @abstract
7	*/
8	abstract class AsyncRequest {
9
10	/**
11	* Prefix
12	*
13	* (default value: 'wp')
14	*
15	* @var string
16	* @access protected
17	*/
18	protected $prefix = 'wp';
19	/**
20	* Action
21	*
22	* (default value: 'async_request')
23	*
24	* @var string
25	* @access protected
26	*/
27	protected $action = 'async_request';
28
29	/**
30	* Identifier
31	*
32	* @var mixed
33	* @access protected
34	*/
35	protected $identifier;
36
37	/**
38	* Data
39	*
40	* (default value: array())
41	*
42	* @var array
43	* @access protected
44	*/
45	protected $data = array();
46
47	/**
48	* Initiate new async request
49	*/
50	public function __construct() {
51	$this->identifier = $this->prefix . '_' . $this->action;
52	add_action( 'wp_ajax_' . $this->identifier, array( $this, 'maybe_handle' ) );
53	add_action( 'wp_ajax_nopriv_' . $this->identifier, array( $this, 'maybe_handle' ) );
54	}
55
56	/**
57	* Set data used during the request
58	*
59	* @param array $data Data.
60	*
61	* @return $this
62	*/
63	public function data( $data ) {
64	$this->data = $data;
65
66	return $this;
67	}
68
69	/**
70	* Dispatch the async request
71	*
72	* @return array\|WP_Error
73	*/
74	public function dispatch() {
75	$url = add_query_arg( $this->get_query_args(), $this->get_query_url() );
76	$args = $this->get_post_args();
77
78	wc_get_logger()->add( 'here', 'here' . esc_url_raw( $url ) . $this->identifier );
79
80	return wp_remote_post( esc_url_raw( $url ), $args );
81	}
82
83	/**
84	* Get query args
85	*
86	* @return array
87	*/
88	protected function get_query_args() {
89	if ( property_exists( $this, 'query_args' ) ) {
90	return $this->query_args;
91	}
92
93	return array(
94	'action' => $this->identifier,
95	'nonce' => wp_create_nonce( $this->identifier ),
96	);
97	}
98
99	/**
100	* Get query URL
101	*root
102	* @return string
103	*/
104	protected function get_query_url() {
105	if ( property_exists( $this, 'query_url' ) ) {
106	return $this->query_url;
107	}
108
109	return admin_url( 'admin-ajax.php' );
110	}
111
112	/**
113	* Get post args
114	*
115	* @return array
116	*/
117	protected function get_post_args() {
118	if ( property_exists( $this, 'post_args' ) ) {
119	return $this->post_args;
120	}
121
122	return array(
123	'timeout' => 0.01,
124	'blocking' => false,
125	'body' => $this->data,
126	'cookies' => $_COOKIE,
127	'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
128	);
129	}
130
131	/**
132	* Maybe handle
133	*
134	* Check for correct nonce and pass to handler.
135	*/
136	public function maybe_handle() {
137	wc_get_logger()->add( 'logger', 'here' );
138	// Don't lock up other requests while processing
139	session_write_close();
140	check_ajax_referer( $this->identifier, 'nonce' );
141	$this->handle();
142	wp_die();
143	}
144
145	/**
146	* Handle
147	*
148	* Override this method to perform any actions required
149	* during the async request.
150	*/
151	abstract protected function handle();
152	}