yatra / includes / class-yatra.php

class-yatra.php in Yatra – Travel Booking & Tour Operator Software 1.0.0, 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	* The single instance of the class.
28	*
29	* @var Yatra
30	* @since 1.0.0
31	*/
32	protected static $_instance = null;
33
34
35	/**
36	* Main Yatra Instance.
37	*
38	* Ensures only one instance of Yatra is loaded or can be loaded.
39	*
40	* @since 1.0.0
41	* @static
42	* @see mb_aec_addons()
43	* @return Yatra - Main instance.
44	*/
45	public static function instance()
46	{
47	if (is_null(self::$_instance)) {
48	self::$_instance = new self();
49	}
50	return self::$_instance;
51	}
52
53	/**
54	* Cloning is forbidden.
55	*
56	* @since 1.0.0
57	*/
58	public function __clone()
59	{
60	_doing_it_wrong(__FUNCTION__, __('Cloning is forbidden.', 'yatra'), '1.0.0');
61	}
62
63	/**
64	* Unserializing instances of this class is forbidden.
65	*
66	* @since 1.0.0
67	*/
68	public function __wakeup()
69	{
70	_doing_it_wrong(__FUNCTION__, __('Unserializing instances of this class is forbidden.', 'yatra'), '1.0.0');
71	}
72
73	/**
74	* Auto-load in-accessible properties on demand.
75	*
76	* @param mixed $key Key name.
77	* @return mixed
78	*/
79	public function __get($key)
80	{
81	if (in_array($key, array(''), true)) {
82	return $this->$key();
83	}
84	}
85
86	/**
87	* Yatra Constructor.
88	*/
89	public function __construct()
90	{
91	$this->define_constants();
92	$this->includes();
93	$this->init_hooks();
94	do_action('yatra_loaded');
95	}
96
97	/**
98	* Hook into actions and filters.
99	*
100	* @since 1.0.0
101	*/
102	private function init_hooks()
103	{
104
105	register_activation_hook(YATRA_FILE, array('Yatra_Install', 'install'));
106
107	add_action('init', array($this, 'init'), 0);
108	add_action('init', array('Yatra_Shortcodes', 'init'));
109
110
111	}
112
113	/**
114	* Define Yatra Constants.
115	*/
116	private function define_constants()
117	{
118
119	$this->define('YATRA_ABSPATH', dirname(YATRA_FILE) . '/');
120	$this->define('YATRA_BASENAME', plugin_basename(YATRA_FILE));
121	}
122
123	/**
124	* Define constant if not already set.
125	*
126	* @param string $name Constant name.
127	* @param string\|bool $value Constant value.
128	*/
129	private function define($name, $value)
130	{
131	if (!defined($name)) {
132	define($name, $value);
133	}
134	}
135
136	/**
137	* What type of request is this?
138	*
139	* @param string $type admin, ajax, cron or frontend.
140	* @return bool
141	*/
142	private function is_request($type)
143	{
144	switch ($type) {
145	case 'admin':
146	return is_admin();
147	case 'ajax':
148	return defined('DOING_AJAX');
149	case 'cron':
150	return defined('DOING_CRON');
151	case 'frontend':
152	return (!is_admin() \|\| defined('DOING_AJAX')) && !defined('DOING_CRON') && !defined('REST_REQUEST');
153	}
154	}
155
156	/**
157	* Include required core files used in admin and on the frontend.
158	*/
159	public function includes()
160	{
161
162	/**
163	* Class autoloader.
164	*/
165	include_once YATRA_ABSPATH . 'includes/class-yatra-autoloader.php';
166	include_once YATRA_ABSPATH . 'includes/functions.php';
167	include_once YATRA_ABSPATH . 'includes/yatra-hooks.php';
168	include_once YATRA_ABSPATH . 'includes/class-yatra-page-templater.php';
169	include_once YATRA_ABSPATH . 'includes/class-yatra-custom-post-type.php';
170	include_once YATRA_ABSPATH . 'includes/class-yatra-taxonomy.php';
171	include_once YATRA_ABSPATH . 'includes/class-yatra-metabox.php';
172	include_once YATRA_ABSPATH . 'includes/class-yatra-shortcodes.php';
173	include_once YATRA_ABSPATH . 'includes/class-yatra-ajax.php';
174
175
176	// Compatibility
177	include_once YATRA_ABSPATH . 'includes/class-yatra-compatibility.php';
178
179
180	if ($this->is_request('admin')) {
181	Yatra_Admin::instance();
182	}
183
184	if ($this->is_request('frontend')) {
185	Yatra_Frontend::instance();
186	}
187
188	}
189
190
191	/**
192	* Init Yatra when WordPress Initialises.
193	*/
194	public function init()
195	{
196	// Before init action.
197	do_action('before_yatra_init');
198
199	// Set up localisation.
200	$this->load_plugin_textdomain();
201
202
203	// Init action.
204	do_action('yatra_init');
205	}
206
207	/**
208	* Load Localisation files.
209	*
210	* Note: the first-loaded translation file overrides any following ones if the same translation is present.
211	*
212	* Locales found in:
213	* - WP_LANG_DIR/yatra/yatra-LOCALE.mo
214	* - WP_LANG_DIR/plugins/yatra-LOCALE.mo
215	*/
216	public function load_plugin_textdomain()
217	{
218	$locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
219	$locale = apply_filters('plugin_locale', $locale, 'yatra');
220	unload_textdomain('yatra');
221	load_textdomain('yatra', WP_LANG_DIR . '/yatra/yatra-' . $locale . '.mo');
222	load_plugin_textdomain('yatra', false, plugin_basename(dirname(YATRA_FILE)) . '/i18n/languages');
223	}
224
225	/**
226	* Ensure theme and server variable compatibility and setup image sizes.
227	*/
228	public function setup_environment()
229	{
230
231	$this->define('YATRA_TEMPLATE_PATH', $this->template_path());
232
233	}
234
235	/**
236	* Get the plugin url.
237	*
238	* @return string
239	*/
240	public function plugin_url()
241	{
242	return untrailingslashit(plugins_url('/', YATRA_FILE));
243	}
244
245	/**
246	* Get the plugin path.
247	*
248	* @return string
249	*/
250	public function plugin_path()
251	{
252	return untrailingslashit(plugin_dir_path(YATRA_FILE));
253	}
254
255	/**
256	* Get the template path.
257	*
258	* @return string
259	*/
260	public function template_path()
261	{
262	return apply_filters('yatra_template_path', 'yatra/');
263	}
264
265	/**
266	* Get the template path.
267	*
268	* @return string
269	*/
270	public function plugin_template_path()
271	{
272	return apply_filters('yatra_plugin_template_path', $this->plugin_path() . '/templates/');
273	}
274
275	/**
276	* Get Ajax URL.
277	*
278	* @return string
279	*/
280	public function ajax_url()
281	{
282	return admin_url('admin-ajax.php', 'relative');
283	}
284
285
286	}
287