wpfunnels / packages / action-scheduler / classes / ActionScheduler_DataController.php

ActionScheduler_DataController.php in WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 2.8.16, at packages/action-scheduler/classes/ActionScheduler_DataController.php

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1	<?php
2
3	use Action_Scheduler\Migration\Controller;
4
5	/**
6	* Class ActionScheduler_DataController
7	*
8	* The main plugin/initialization class for the data stores.
9	*
10	* Responsible for hooking everything up with WordPress.
11	*
12	* @package Action_Scheduler
13	*
14	* @since 3.0.0
15	*/
16	class ActionScheduler_DataController {
17	/**
18	* Action data store class name.
19	*/
20	const DATASTORE_CLASS = 'ActionScheduler_DBStore';
21
22	/**
23	* Logger data store class name.
24	*/
25	const LOGGER_CLASS = 'ActionScheduler_DBLogger';
26
27	/**
28	* Migration status option name.
29	*/
30	const STATUS_FLAG = 'action_scheduler_migration_status';
31
32	/**
33	* Migration status option value.
34	*/
35	const STATUS_COMPLETE = 'complete';
36
37	/**
38	* Migration minimum required PHP version.
39	*/
40	const MIN_PHP_VERSION = '5.5';
41
42	/**
43	* @var ActionScheduler_DataController
44	*/
45	private static $instance;
46
47	/**
48	* @var int
49	*/
50	private static $sleep_time = 0;
51
52	/**
53	* @var int
54	*/
55	private static $free_ticks = 50;
56
57	/**
58	* Get a flag indicating whether the migration environment dependencies are met.
59	*
60	* @return bool
61	*/
62	public static function dependencies_met() {
63	$php_support = version_compare( PHP_VERSION, self::MIN_PHP_VERSION, '>=' );
64	return $php_support && apply_filters( 'action_scheduler_migration_dependencies_met', true );
65	}
66
67	/**
68	* Get a flag indicating whether the migration is complete.
69	*
70	* @return bool Whether the flag has been set marking the migration as complete
71	*/
72	public static function is_migration_complete() {
73	return get_option( self::STATUS_FLAG ) === self::STATUS_COMPLETE;
74	}
75
76	/**
77	* Mark the migration as complete.
78	*/
79	public static function mark_migration_complete() {
80	update_option( self::STATUS_FLAG, self::STATUS_COMPLETE );
81	}
82
83	/**
84	* Unmark migration when a plugin is de-activated. Will not work in case of silent activation, for example in an update.
85	* We do this to mitigate the bug of lost actions which happens if there was an AS 2.x to AS 3.x migration in the past, but that plugin is now
86	* deactivated and the site was running on AS 2.x again.
87	*/
88	public static function mark_migration_incomplete() {
89	delete_option( self::STATUS_FLAG );
90	}
91
92	/**
93	* Set the action store class name.
94	*
95	* @param string $class Classname of the store class.
96	*
97	* @return string
98	*/
99	public static function set_store_class( $class ) {
100	return self::DATASTORE_CLASS;
101	}
102
103	/**
104	* Set the action logger class name.
105	*
106	* @param string $class Classname of the logger class.
107	*
108	* @return string
109	*/
110	public static function set_logger_class( $class ) {
111	return self::LOGGER_CLASS;
112	}
113
114	/**
115	* Set the sleep time in seconds.
116	*
117	* @param integer $sleep_time The number of seconds to pause before resuming operation.
118	*/
119	public static function set_sleep_time( $sleep_time ) {
120	self::$sleep_time = (int) $sleep_time;
121	}
122
123	/**
124	* Set the tick count required for freeing memory.
125	*
126	* @param integer $free_ticks The number of ticks to free memory on.
127	*/
128	public static function set_free_ticks( $free_ticks ) {
129	self::$free_ticks = (int) $free_ticks;
130	}
131
132	/**
133	* Free memory if conditions are met.
134	*
135	* @param int $ticks Current tick count.
136	*/
137	public static function maybe_free_memory( $ticks ) {
138	if ( self::$free_ticks && 0 === $ticks % self::$free_ticks ) {
139	self::free_memory();
140	}
141	}
142
143	/**
144	* Reduce memory footprint by clearing the database query and object caches.
145	*/
146	public static function free_memory() {
147	if ( 0 < self::$sleep_time ) {
148	/* translators: %d: amount of time */
149	\WP_CLI::warning( sprintf( _n( 'Stopped the insanity for %d second', 'Stopped the insanity for %d seconds', self::$sleep_time, 'woocommerce' ), self::$sleep_time ) );
150	sleep( self::$sleep_time );
151	}
152
153	\WP_CLI::warning( __( 'Attempting to reduce used memory...', 'woocommerce' ) );
154
155	/**
156	* @var $wpdb \wpdb
157	* @var $wp_object_cache \WP_Object_Cache
158	*/
159	global $wpdb, $wp_object_cache;
160
161	$wpdb->queries = array();
162
163	if ( ! is_a( $wp_object_cache, 'WP_Object_Cache' ) ) {
164	return;
165	}
166
167	$wp_object_cache->group_ops = array();
168	$wp_object_cache->stats = array();
169	$wp_object_cache->memcache_debug = array();
170	$wp_object_cache->cache = array();
171
172	if ( is_callable( array( $wp_object_cache, '__remoteset' ) ) ) {
173	call_user_func( array( $wp_object_cache, '__remoteset' ) ); // important
174	}
175	}
176
177	/**
178	* Connect to table datastores if migration is complete.
179	* Otherwise, proceed with the migration if the dependencies have been met.
180	*/
181	public static function init() {
182	if ( self::is_migration_complete() ) {
183	add_filter( 'action_scheduler_store_class', array( 'ActionScheduler_DataController', 'set_store_class' ), 100 );
184	add_filter( 'action_scheduler_logger_class', array( 'ActionScheduler_DataController', 'set_logger_class' ), 100 );
185	add_action( 'deactivate_plugin', array( 'ActionScheduler_DataController', 'mark_migration_incomplete' ) );
186	} elseif ( self::dependencies_met() ) {
187	Controller::init();
188	}
189
190	add_action( 'action_scheduler/progress_tick', array( 'ActionScheduler_DataController', 'maybe_free_memory' ) );
191	}
192
193	/**
194	* Singleton factory.
195	*/
196	public static function instance() {
197	if ( ! isset( self::$instance ) ) {
198	self::$instance = new static();
199	}
200
201	return self::$instance;
202	}
203	}
204