yatra / includes / class-yatra.php

class-yatra.php in Yatra – Travel Booking & Tour Operator Software 2.0.0, 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	* The single instance of the class.
35	*
36	* @var Yatra
37	* @since 1.0.0
38	*/
39	protected static $_instance = null;
40
41
42	/**
43	* Main Yatra Instance.
44	*
45	* Ensures only one instance of Yatra is loaded or can be loaded.
46	*
47	* @since 1.0.0
48	* @static
49	* @see mb_aec_addons()
50	* @return Yatra - Main instance.
51	*/
52	public static function instance()
53	{
54	if (is_null(self::$_instance)) {
55	self::$_instance = new self();
56	}
57	return self::$_instance;
58	}
59
60	/**
61	* Cloning is forbidden.
62	*
63	* @since 1.0.0
64	*/
65	public function __clone()
66	{
67	_doing_it_wrong(__FUNCTION__, __('Cloning is forbidden.', 'yatra'), '1.0.0');
68	}
69
70	/**
71	* Unserializing instances of this class is forbidden.
72	*
73	* @since 1.0.0
74	*/
75	public function __wakeup()
76	{
77	_doing_it_wrong(__FUNCTION__, __('Unserializing instances of this class is forbidden.', 'yatra'), '1.0.0');
78	}
79
80	/**
81	* Auto-load in-accessible properties on demand.
82	*
83	* @param mixed $key Key name.
84	* @return mixed
85	*/
86	public function __get($key)
87	{
88	if (in_array($key, array(''), true)) {
89	return $this->$key();
90	}
91	}
92
93	/**
94	* Yatra Constructor.
95	*/
96	public function __construct()
97	{
98	$this->define_constants();
99	$this->includes();
100	$this->init_hooks();
101	do_action('yatra_loaded');
102	}
103
104	/**
105	* Hook into actions and filters.
106	*
107	* @since 1.0.0
108	*/
109	private function init_hooks()
110	{
111
112	register_activation_hook(YATRA_FILE, array('Yatra_Install', 'install'));
113
114	add_action('init', array($this, 'init'), 0);
115	add_action('init', array('Yatra_Shortcodes', 'init'));
116
117
118	}
119
120	/**
121	* Define Yatra Constants.
122	*/
123	private function define_constants()
124	{
125
126	$this->define('YATRA_ABSPATH', dirname(YATRA_FILE) . '/');
127	$this->define('YATRA_BASENAME', plugin_basename(YATRA_FILE));
128	}
129
130	/**
131	* Define constant if not already set.
132	*
133	* @param string $name Constant name.
134	* @param string\|bool $value Constant value.
135	*/
136	private function define($name, $value)
137	{
138	if (!defined($name)) {
139	define($name, $value);
140	}
141	}
142
143	/**
144	* What type of request is this?
145	*
146	* @param string $type admin, ajax, cron or frontend.
147	* @return bool
148	*/
149	private function is_request($type)
150	{
151	switch ($type) {
152	case 'admin':
153	return is_admin();
154	case 'ajax':
155	return defined('DOING_AJAX');
156	case 'cron':
157	return defined('DOING_CRON');
158	case 'frontend':
159	return (!is_admin() \|\| defined('DOING_AJAX')) && !defined('DOING_CRON') && !defined('REST_REQUEST');
160	}
161	}
162
163	/**
164	* Include required core files used in admin and on the frontend.
165	*/
166	public function includes()
167	{
168
169	/**
170	* Class autoloader.
171	*/
172	include_once YATRA_ABSPATH . 'includes/class-yatra-autoloader.php';
173	include_once YATRA_ABSPATH . 'includes/functions.php';
174	include_once YATRA_ABSPATH . 'includes/yatra-hooks.php';
175	include_once YATRA_ABSPATH . 'includes/class-yatra-page-templater.php';
176	include_once YATRA_ABSPATH . 'includes/class-yatra-custom-post-type.php';
177	include_once YATRA_ABSPATH . 'includes/class-yatra-taxonomy.php';
178	include_once YATRA_ABSPATH . 'includes/class-yatra-metabox.php';
179	include_once YATRA_ABSPATH . 'includes/class-yatra-shortcodes.php';
180	include_once YATRA_ABSPATH . 'includes/class-yatra-ajax.php';
181
182
183	// Compatibility
184	include_once YATRA_ABSPATH . 'includes/class-yatra-compatibility.php';
185
186
187	if ($this->is_request('admin')) {
188	Yatra_Admin::instance();
189	}
190
191	if ($this->is_request('frontend')) {
192	Yatra_Frontend::instance();
193	}
194
195	}
196
197
198	/**
199	* Init Yatra when WordPress Initialises.
200	*/
201	public function init()
202	{
203	// Before init action.
204	do_action('before_yatra_init');
205
206	// Set up localisation.
207	$this->load_plugin_textdomain();
208
209
210	// Classes/actions loaded for the frontend and for ajax requests.
211	if ($this->is_request('frontend')) {
212	$this->initialize_cart();
213	}
214
215	// Init action.
216	do_action('yatra_init');
217	}
218
219	/**
220	* Load Localisation files.
221	*
222	* Note: the first-loaded translation file overrides any following ones if the same translation is present.
223	*
224	* Locales found in:
225	* - WP_LANG_DIR/yatra/yatra-LOCALE.mo
226	* - WP_LANG_DIR/plugins/yatra-LOCALE.mo
227	*/
228	public function load_plugin_textdomain()
229	{
230	$locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
231	$locale = apply_filters('plugin_locale', $locale, 'yatra');
232	unload_textdomain('yatra');
233	load_textdomain('yatra', WP_LANG_DIR . '/yatra/yatra-' . $locale . '.mo');
234	load_plugin_textdomain('yatra', false, plugin_basename(dirname(YATRA_FILE)) . '/i18n/languages');
235	}
236
237	/**
238	* Ensure theme and server variable compatibility and setup image sizes.
239	*/
240	public function setup_environment()
241	{
242
243	$this->define('YATRA_TEMPLATE_PATH', $this->template_path());
244
245	}
246
247	/**
248	* Get the plugin url.
249	*
250	* @return string
251	*/
252	public function plugin_url()
253	{
254	return untrailingslashit(plugins_url('/', YATRA_FILE));
255	}
256
257	/**
258	* Get the plugin path.
259	*
260	* @return string
261	*/
262	public function plugin_path()
263	{
264	return untrailingslashit(plugin_dir_path(YATRA_FILE));
265	}
266
267	/**
268	* Get the template path.
269	*
270	* @return string
271	*/
272	public function template_path()
273	{
274	return apply_filters('yatra_template_path', 'yatra/');
275	}
276
277	/**
278	* Get the template path.
279	*
280	* @return string
281	*/
282	public function plugin_template_path()
283	{
284	return apply_filters('yatra_plugin_template_path', $this->plugin_path() . '/templates/');
285	}
286
287	/**
288	* Get Ajax URL.
289	*
290	* @return string
291	*/
292	public function ajax_url()
293	{
294	return admin_url('admin-ajax.php', 'relative');
295	}
296
297	/**
298	* Initialize the customer and cart objects and setup customer saving on shutdown.
299	*
300	* @since 2.0.0
301	* @return void
302	*/
303	public function initialize_cart()
304	{
305
306	if (is_null($this->cart) \|\| !$this->cart instanceof Yatra_Cart) {
307	$this->cart = new Yatra_Cart();
308	}
309	}
310
311
312	}
313