notifier / includes / class-notifier.php

class-notifier.php in WANotifier for Forms and Actions 2.0.1, at includes/class-notifier.php

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1	<?php
2	/**
3	* The core plugin class.
4	*
5	* @package Notifier
6	*/
7	class Notifier {
8	/**
9	* The single instance of the class.
10	*/
11	protected static $_instance = null;
12
13	/**
14	* Notifier Constructor.
15	*/
16	public function __construct() {
17	$this->define_constants();
18	$this->includes();
19	$this->init_hooks();
20	}
21
22	/**
23	* Define Constants.
24	*/
25	private function define_constants() {
26	$this->define( 'NOTIFIER_VERSION', '2.0.1' );
27	$this->define( 'NOTIFIER_NAME', 'notifier' );
28	$this->define( 'NOTIFIER_PREFIX', 'notifier_' );
29	$this->define( 'NOTIFIER_URL', trailingslashit( plugins_url( '', dirname(__FILE__) ) ) );
30	$this->define( 'NOTIFIER_APP_API_URL', 'https://app.wanotifier.com/api/v1/' );
31	}
32
33	/**
34	* Define constant if not already set.
35	*
36	* @param string $name Constant name.
37	* @param string\|bool $value Constant value.
38	*/
39	private function define( $name, $value ) {
40	if ( ! defined( $name ) ) {
41	define( $name, $value );
42	}
43	}
44
45	/**
46	* Main Notifier Instance.
47	*
48	* @return Notifier instance.
49	*/
50	public static function get_instance() {
51	if ( is_null( self::$_instance ) ) {
52	self::$_instance = new self();
53	}
54	return self::$_instance;
55	}
56
57	/**
58	* Include required core files used in admin and on the frontend.
59	*/
60	private function includes() {
61	// Libraries
62	require_once NOTIFIER_PATH . 'libraries/action-scheduler/action-scheduler.php';
63
64	// Functions
65	require_once NOTIFIER_PATH . 'includes/functions/functions-notifier-helpers.php';
66	require_once NOTIFIER_PATH . 'includes/functions/functions-notifier-meta-box-fields.php';
67
68	// Classes
69	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-admin-notices.php';
70	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-dashboard.php';
71	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-notification-merge-tags.php';
72	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-notification-triggers.php';
73	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-settings.php';
74	}
75
76	/**
77	* Hook into actions and filters.
78	*/
79	private function init_hooks() {
80	register_activation_hook ( NOTIFIER_FILE, array( $this, 'install') );
81
82	add_action( 'plugins_loaded', array( 'Notifier_Admin_Notices', 'init' ) );
83	add_action( 'plugins_loaded', array( 'Notifier_Dashboard', 'init' ) );
84	add_action( 'plugins_loaded', array( 'Notifier_Notification_Merge_Tags', 'init' ) );
85	add_action( 'plugins_loaded', array( 'Notifier_Notification_Triggers', 'init' ) );
86	add_action( 'plugins_loaded', array( 'Notifier_Settings', 'init' ) );
87
88	add_action( 'plugins_loaded', array( $this, 'maybe_include_integrations' ) );
89
90	add_action( 'admin_enqueue_scripts', array( $this , 'admin_scripts') );
91	add_action( 'in_admin_header', array( $this , 'embed_page_header' ) );
92
93	add_action( 'in_plugin_update_message-notifier/notifier.php', array( $this , 'plugin_upgrade_message' ) );
94	}
95
96	/**
97	* Setup during plugin activation
98	*/
99	public function install() {
100
101	}
102
103	/**
104	* Check if plugin's page
105	*/
106	public static function is_notifier_page() {
107	$current_screen = get_current_screen();
108	if ( strpos($current_screen->id, NOTIFIER_NAME) !== false) {
109	return true;
110	}
111
112	return false;
113	}
114
115	/**
116	* Add admin scripts and styles
117	*/
118	public function admin_scripts () {
119	if (!self::is_notifier_page()) {
120	return;
121	}
122
123	// Select2
124	wp_enqueue_script(
125	NOTIFIER_NAME . '-select2-js',
126	NOTIFIER_URL . 'assets/js/select2.min.js',
127	array('jquery'),
128	NOTIFIER_VERSION,
129	true
130	);
131
132	// Admin JS file
133	wp_enqueue_script(
134	NOTIFIER_NAME . '-admin-js',
135	NOTIFIER_URL . 'assets/js/admin.js',
136	array('jquery'),
137	NOTIFIER_VERSION,
138	true
139	);
140	wp_localize_script(
141	NOTIFIER_NAME . '-admin-js',
142	'notifierObj',
143	apply_filters( 'notifier_js_variables', array('ajaxurl' => admin_url( 'admin-ajax.php' ) ) )
144	);
145
146	// Styles
147	wp_enqueue_style(
148	NOTIFIER_NAME . '-admin-css',
149	NOTIFIER_URL . 'assets/css/admin.css',
150	null,
151	NOTIFIER_VERSION
152	);
153	}
154
155	/**
156	* Set up a div for the header embed to render into.
157	* The initial contents here are meant as a place loader for when the PHP page initialy loads.
158	*/
159	public static function embed_page_header() {
160	if (!self::is_notifier_page()) {
161	return;
162	}
163	$current_screen = get_current_screen();
164	$cpt = ( '' !== $current_screen->post_type) ? $current_screen->post_type : '';
165	$tax = ( '' !== $current_screen->taxonomy) ? $current_screen->taxonomy : '';
166	?>
167	<div id="notifier-admin-header" data-post-type="<?php echo esc_attr($cpt); ?>">
168	<div class="notifier-admin-header-content">
169	<div class="header-page-title w-30">
170	<h2><?php echo esc_attr(get_admin_page_title()); ?></h2>
171	</div>
172	<div class="header-action-links w-30 d-flex justify-content-end">
173	<span class="header-version">Version: <?php echo esc_html(NOTIFIER_VERSION); ?></span>
174	<a href="https://wanotifier.com/support/" target="_blank">Help</a>
175	</div>
176	</div>
177	</div>
178	<?php
179	}
180
181	/**
182	* For sending API requests
183	*/
184	public static function send_api_request ( $endpoint, $args, $method = 'POST', $headers = array() ) {
185	$api_key = get_option('notifier_api_key');
186	$api_key = trim($api_key);
187	if('' == $api_key) {
188	return false;
189	}
190
191	if(empty($headers)){
192	$headers = array(
193	'Content-Type' => 'application/json; charset=utf-8'
194	);
195	}
196
197	$request_url = NOTIFIER_APP_API_URL . $endpoint . '?key=' . $api_key;
198	$request_args = array(
199	'method' => $method,
200	'headers' => $headers,
201	'timeout' => 120,
202	'body' => json_encode($args),
203	'sslverify' => false
204	);
205
206	$response = wp_remote_request( $request_url, $request_args);
207
208	$response_body = wp_remote_retrieve_body( $response );
209
210	if ( is_wp_error( $response ) ) {
211	error_log( $response->get_error_message() );
212	return false;
213	} else {
214	$response_body = wp_remote_retrieve_body( $response );
215	return json_decode($response_body);
216	}
217	}
218
219	/**
220	* Load Woocommerce class if it's present is activated
221	*/
222	public static function maybe_include_integrations () {
223	// Woocommerce
224	if ( class_exists( 'WooCommerce' ) ) {
225	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-woocommerce.php';
226	Notifier_Woocommerce::init();
227	}
228	if ( ! class_exists( 'WC_Session' ) ) {
229	include_once( WP_PLUGIN_DIR . '/woocommerce/includes/abstracts/abstract-wc-session.php' );
230	}
231
232	// Gravity Forms
233	if ( class_exists( 'GFCommon' ) ) {
234	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-gravityforms.php';
235	Notifier_GravityForms::init();
236	}
237
238	// Contact Form 7
239	if ( class_exists( 'WPCF7' ) ) {
240	require_once NOTIFIER_PATH . 'includes/classes/class-notifier-cf7.php';
241	Notifier_ContactForm7::init();
242	}
243	}
244
245	/**
246	* Is connection to WANotifier.com active?
247	*/
248	public static function is_api_active () {
249	$activated = get_option(NOTIFIER_PREFIX . 'api_activated');
250	if('yes' == $activated) {
251	return true;
252	}
253	else{
254	return false;
255	}
256	}
257
258	/**
259	* Plugin upgrade notice on Plugins page
260	*/
261	public static function plugin_upgrade_message () {
262	if(version_compare(NOTIFIER_VERSION,'1.0.5', '<=') ){
263	echo '<br><br><b>HEADS UP! Major update ahead.</b><br><br>v2.0.0 introduces major plugin updates. You\'ll need to <b>re-configure your triggers</b> after you upgrade to make sure the notifications are fired correctly.';
264	}
265	}
266
267	}
268