yatra / includes / class-yatra.php

class-yatra.php in Yatra – Travel Booking & Tour Operator Software 2.0.10, at includes/class-yatra.php

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1	<?php
2	/**
3	* Yatra setup
4	*
5	* @package Yatra
6	* @since 1.0.0
7	*/
8
9	defined('ABSPATH') \|\| exit;
10
11	/**
12	* Main Yatra Class.
13	*
14	* @class Yatra
15	*/
16	final class Yatra
17	{
18
19	/**
20	* Yatra version.
21	*
22	* @var string
23	*/
24	public $version = YATRA_VERSION;
25
26
27	/**
28	* Cart instance.
29	*
30	* @var Yatra_Cart
31	*/
32	public $cart = null;
33
34	/**
35	* Yatra_Error instance.
36	*
37	* @var WP_Error
38	*/
39	public $yatra_error = null;
40
41	/**
42	* Yatra_Error instance.
43	*
44	* @var Yatra_Messages
45	*/
46	public $yatra_messages = null;
47
48
49	/**
50	* Yatra_Core_Exporter instance.
51	*
52	* @var Yatra_Core_Exporter
53	*/
54	public $exporter = null;
55
56
57	/**
58	* Yatra_Core_Importer instance.
59	*
60	* @var Yatra_Core_Importer
61	*/
62	public $importer = null;
63	/**
64	* The single instance of the class.
65	*
66	* @var Yatra
67	* @since 1.0.0
68	*/
69	protected static $_instance = null;
70
71
72	/**
73	* Main Yatra Instance.
74	*
75	* Ensures only one instance of Yatra is loaded or can be loaded.
76	*
77	* @return Yatra - Main instance.
78	* @see mb_aec_addons()
79	* @since 1.0.0
80	* @static
81	*/
82	public static function instance()
83	{
84	if (is_null(self::$_instance)) {
85	self::$_instance = new self();
86	}
87	return self::$_instance;
88	}
89
90	/**
91	* Cloning is forbidden.
92	*
93	* @since 1.0.0
94	*/
95	public function __clone()
96	{
97	_doing_it_wrong(__FUNCTION__, __('Cloning is forbidden.', 'yatra'), '1.0.0');
98	}
99
100	/**
101	* Unserializing instances of this class is forbidden.
102	*
103	* @since 1.0.0
104	*/
105	public function __wakeup()
106	{
107	_doing_it_wrong(__FUNCTION__, __('Unserializing instances of this class is forbidden.', 'yatra'), '1.0.0');
108	}
109
110	/**
111	* Auto-load in-accessible properties on demand.
112	*
113	* @param mixed $key Key name.
114	* @return mixed
115	*/
116	public function __get($key)
117	{
118	if (in_array($key, array(''), true)) {
119	return $this->$key();
120	}
121	}
122
123	/**
124	* Yatra Constructor.
125	*/
126	public function __construct()
127	{
128
129	$this->define_constants();
130	$this->includes();
131	$this->init_hooks();
132
133
134	do_action('yatra_loaded');
135	}
136
137	/**
138	* Hook into actions and filters.
139	*
140	* @since 1.0.0
141	*/
142	private function init_hooks()
143	{
144
145
146	register_activation_hook(YATRA_FILE, array('Yatra_Install', 'install'));
147
148	add_action('init', array($this, 'init'), 0);
149	add_action('init', array('Yatra_Shortcodes', 'init'));
150
151
152	}
153
154	/**
155	* Define Yatra Constants.
156	*/
157	private function define_constants()
158	{
159
160	$this->define('YATRA_ABSPATH', dirname(YATRA_FILE) . '/');
161	$this->define('YATRA_BASENAME', plugin_basename(YATRA_FILE));
162	}
163
164	/**
165	* Define constant if not already set.
166	*
167	* @param string $name Constant name.
168	* @param string\|bool $value Constant value.
169	*/
170	private function define($name, $value)
171	{
172	if (!defined($name)) {
173	define($name, $value);
174	}
175	}
176
177	/**
178	* What type of request is this?
179	*
180	* @param string $type admin, ajax, cron or frontend.
181	* @return bool
182	*/
183	private function is_request($type)
184	{
185	switch ($type) {
186	case 'admin':
187	return is_admin();
188	case 'ajax':
189	return defined('DOING_AJAX');
190	case 'cron':
191	return defined('DOING_CRON');
192	case 'frontend':
193	return (!is_admin() \|\| defined('DOING_AJAX')) && !defined('DOING_CRON') && !defined('REST_REQUEST');
194	}
195	}
196
197	/**
198	* Include required core files used in admin and on the frontend.
199	*/
200	public function includes()
201	{
202
203
204	/*
205	* Abstract Class
206	*/
207
208	include_once YATRA_ABSPATH . 'includes/abstracts/abstract-yatra-form.php';
209	include_once YATRA_ABSPATH . 'includes/abstracts/abstract-yatra-payment-gateways.php';
210
211
212	/**
213	* Class autoloader.
214	*/
215	include_once YATRA_ABSPATH . 'includes/class-yatra-autoloader.php';
216
217	include_once YATRA_ABSPATH . 'includes/payment-gateways/class-yatra-gateways-core.php';
218	include_once YATRA_ABSPATH . 'includes/functions.php';
219	include_once YATRA_ABSPATH . 'includes/yatra-hooks.php';
220	include_once YATRA_ABSPATH . 'includes/yatra-template-functions.php';
221	include_once YATRA_ABSPATH . 'includes/yatra-template-hooks.php';
222	include_once YATRA_ABSPATH . 'includes/class-yatra-page-templater.php';
223	include_once YATRA_ABSPATH . 'includes/class-yatra-email.php';
224	include_once YATRA_ABSPATH . 'includes/class-yatra-custom-post-type.php';
225	include_once YATRA_ABSPATH . 'includes/class-yatra-taxonomy.php';
226	include_once YATRA_ABSPATH . 'includes/class-yatra-metabox.php';
227	include_once YATRA_ABSPATH . 'includes/class-yatra-widgets.php';
228	include_once YATRA_ABSPATH . 'includes/class-yatra-shortcodes.php';
229	include_once YATRA_ABSPATH . 'includes/class-yatra-ajax.php';
230
231
232	// Compatibility
233	include_once YATRA_ABSPATH . 'includes/class-yatra-compatibility.php';
234
235
236	if ($this->is_request('admin')) {
237	Yatra_Admin::instance();
238	}
239
240	if ($this->is_request('frontend')) {
241	Yatra_Frontend::instance();
242	}
243
244	$this->yatra_error = new WP_Error;
245	$this->yatra_messages = new Yatra_Messages;
246
247
248	}
249
250
251	/**
252	* Init Yatra when WordPress Initialises.
253	*/
254	public function init()
255	{
256	// Before init action.
257	do_action('before_yatra_init');
258
259	// Set up localisation.
260	$this->load_plugin_textdomain();
261
262	if ($this->is_request('admin')) {
263	$this->exporter = new Yatra_Core_Exporter();
264	$this->importer = new Yatra_Core_Importer();
265
266	}
267
268	// Classes/actions loaded for the frontend and for ajax requests.
269	//if ($this->is_request('frontend')) {
270	if (is_null($this->cart) \|\| !$this->cart instanceof Yatra_Cart) {
271
272	$this->initialize_cart();
273	}
274
275	// Init action.
276	do_action('yatra_init');
277	}
278
279	/**
280	* Load Localisation files.
281	*
282	* Note: the first-loaded translation file overrides any following ones if the same translation is present.
283	*
284	* Locales found in:
285	* - WP_LANG_DIR/yatra/yatra-LOCALE.mo
286	* - WP_LANG_DIR/plugins/yatra-LOCALE.mo
287	*/
288	public function load_plugin_textdomain()
289	{
290	$locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
291	$locale = apply_filters('plugin_locale', $locale, 'yatra');
292	unload_textdomain('yatra');
293	load_textdomain('yatra', WP_LANG_DIR . '/yatra/yatra-' . $locale . '.mo');
294	load_plugin_textdomain('yatra', false, plugin_basename(dirname(YATRA_FILE)) . '/i18n/languages');
295	}
296
297	/**
298	* Ensure theme and server variable compatibility and setup image sizes.
299	*/
300	public function setup_environment()
301	{
302
303	$this->define('YATRA_TEMPLATE_PATH', $this->template_path());
304
305	}
306
307	/**
308	* Get the plugin url.
309	*
310	* @return string
311	*/
312	public function plugin_url()
313	{
314	return untrailingslashit(plugins_url('/', YATRA_FILE));
315	}
316
317	/**
318	* Get the plugin path.
319	*
320	* @return string
321	*/
322	public function plugin_path()
323	{
324	return untrailingslashit(plugin_dir_path(YATRA_FILE));
325	}
326
327	/**
328	* Get the template path.
329	*
330	* @return string
331	*/
332	public function template_path()
333	{
334	return apply_filters('yatra_template_path', 'yatra/');
335	}
336
337	/**
338	* Get the template path.
339	*
340	* @return string
341	*/
342	public function plugin_template_path()
343	{
344	return apply_filters('yatra_plugin_template_path', $this->plugin_path() . '/templates/');
345	}
346
347	/**
348	* Get Ajax URL.
349	*
350	* @return string
351	*/
352	public function ajax_url()
353	{
354	return admin_url('admin-ajax.php', 'relative');
355	}
356
357	/**
358	* Initialize the customer and cart objects and setup customer saving on shutdown.
359	*
360	* @return void
361	* @since 2.0.0
362	*/
363	public function initialize_cart()
364	{
365
366	if (is_null($this->cart) \|\| !$this->cart instanceof Yatra_Cart) {
367	$this->cart = new Yatra_Cart();
368	}
369	}
370
371	public function get_upload_dir($create_if_not_exists = false)
372	{
373	$upload_dir = wp_upload_dir();
374
375	if ($create_if_not_exists) {
376
377	$this->create_files();
378	}
379
380	return $upload_dir['basedir'] . '/yatra/';
381
382	}
383
384	private function create_files()
385	{
386	// Bypass if filesystem is read-only and/or non-standard upload system is used.
387	if (apply_filters('yatra_install_skip_create_files', false)) {
388	return;
389	}
390
391	if (file_exists(trailingslashit($this->get_upload_dir()) . 'index.html')) {
392	return true;
393	}
394	$files = array(
395	array(
396	'base' => $this->get_upload_dir(),
397	'file' => 'index.html',
398	'content' => '',
399	),
400	array(
401	'base' => $this->get_upload_dir(),
402	'file' => '.htaccess',
403	'content' => '<FilesMatch ".*\.(css\|js)$">
404	Order Allow,Deny
405	Allow from all
406	</FilesMatch>',
407	),
408	array(
409	'base' => $this->get_upload_dir(),
410	'file' => '.htaccess',
411	'content' => '<FilesMatch ".*\.(css\|js)$">
412	Order Allow,Deny
413	Allow from all
414	</FilesMatch>',
415	)
416	);
417
418	$has_created_dir = false;
419
420	foreach ($files as $file) {
421	if (wp_mkdir_p($file['base']) && !file_exists(trailingslashit($file['base']) . $file['file'])) {
422	$file_handle = @fopen(trailingslashit($file['base']) . $file['file'], 'w'); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, WordPress.WP.AlternativeFunctions.file_system_read_fopen
423	if ($file_handle) {
424	fwrite($file_handle, $file['content']); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fwrite
425	fclose($file_handle); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fclose
426	if (!$has_created_dir) {
427	$has_created_dir = true;
428	}
429	}
430	}
431	}
432	if ($has_created_dir) {
433	return true;
434	}
435
436
437	}
438
439	}
440