tier-pricing-table / freemius / includes / class-fs-storage.php

class-fs-storage.php in Tiered Pricing Table for WooCommerce 2.2.2, at freemius/includes/class-fs-storage.php

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1	<?php
2	/**
3	* @package Freemius
4	* @copyright Copyright (c) 2015, Freemius, Inc.
5	* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
6	* @since 1.2.3
7	*/
8
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit;
11	}
12
13	/**
14	* Class FS_Storage
15	*
16	* A wrapper class for handling network level and single site level storage.
17	*
18	* @property bool $is_network_activation
19	* @property int $network_install_blog_id
20	* @property object $sync_cron
21	*/
22	class FS_Storage {
23	/**
24	* @var FS_Storage[]
25	*/
26	private static $_instances = array();
27	/**
28	* @var FS_Key_Value_Storage Site level storage.
29	*/
30	private $_storage;
31
32	/**
33	* @var FS_Key_Value_Storage Network level storage.
34	*/
35	private $_network_storage;
36
37	/**
38	* @var string
39	*/
40	private $_module_type;
41
42	/**
43	* @var string
44	*/
45	private $_module_slug;
46
47	/**
48	* @var int The ID of the blog that is associated with the current site level options.
49	*/
50	private $_blog_id = 0;
51
52	/**
53	* @var bool
54	*/
55	private $_is_multisite;
56
57	/**
58	* @var bool
59	*/
60	private $_is_network_active = false;
61
62	/**
63	* @var bool
64	*/
65	private $_is_delegated_connection = false;
66
67	/**
68	* @var array {
69	* @key string Option name.
70	* @value int If 0 store on the network level. If 1, store on the network level only if module was network level activated. If 2, store on the network level only if network activated and NOT delegated the connection.
71	* }
72	*/
73	private static $_NETWORK_OPTIONS_MAP;
74
75	/**
76	* @author Leo Fajardo (@leorw)
77	*
78	* @param string $module_type
79	* @param string $slug
80	*
81	* @return FS_Storage
82	*/
83	static function instance( $module_type, $slug ) {
84	$key = $module_type . ':' . $slug;
85
86	if ( ! isset( self::$_instances[ $key ] ) ) {
87	self::$_instances[ $key ] = new FS_Storage( $module_type, $slug );
88	}
89
90	return self::$_instances[ $key ];
91	}
92
93	/**
94	* @author Leo Fajardo (@leorw)
95	*
96	* @param string $module_type
97	* @param string $slug
98	*/
99	private function __construct( $module_type, $slug ) {
100	$this->_module_type = $module_type;
101	$this->_module_slug = $slug;
102	$this->_is_multisite = is_multisite();
103
104	if ( $this->_is_multisite ) {
105	$this->_blog_id = get_current_blog_id();
106	$this->_network_storage = FS_Key_Value_Storage::instance( $module_type . '_data', $slug, true );
107	}
108
109	$this->_storage = FS_Key_Value_Storage::instance( $module_type . '_data', $slug, $this->_blog_id );
110	}
111
112	/**
113	* Tells this storage wrapper class that the context plugin is network active. This flag will affect how values
114	* are retrieved/stored from/into the storage.
115	*
116	* @author Leo Fajardo (@leorw)
117	*
118	* @param bool $is_network_active
119	* @param bool $is_delegated_connection
120	*/
121	function set_network_active( $is_network_active = true, $is_delegated_connection = false ) {
122	$this->_is_network_active = $is_network_active;
123	$this->_is_delegated_connection = $is_delegated_connection;
124	}
125
126	/**
127	* Switch the context of the site level storage manager.
128	*
129	* @author Vova Feldman (@svovaf)
130	* @since 2.0.0
131	*
132	* @param int $blog_id
133	*/
134	function set_site_blog_context( $blog_id ) {
135	$this->_storage = $this->get_site_storage( $blog_id );
136	$this->_blog_id = $blog_id;
137	}
138
139	/**
140	* @author Leo Fajardo (@leorw)
141	*
142	* @param string $key
143	* @param mixed $value
144	* @param null\|bool\|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_BINARY_MAP).
145	* @param bool $flush
146	*/
147	function store( $key, $value, $network_level_or_blog_id = null, $flush = true ) {
148	if ( $this->should_use_network_storage( $key, $network_level_or_blog_id ) ) {
149	$this->_network_storage->store( $key, $value, $flush );
150	} else {
151	$storage = $this->get_site_storage( $network_level_or_blog_id );
152	$storage->store( $key, $value, $flush );
153	}
154	}
155
156	/**
157	* @author Leo Fajardo (@leorw)
158	*
159	* @param bool $store
160	* @param string[] $exceptions Set of keys to keep and not clear.
161	* @param int\|null\|bool $network_level_or_blog_id
162	*/
163	function clear_all( $store = true, $exceptions = array(), $network_level_or_blog_id = null ) {
164	if ( ! $this->_is_multisite \|\|
165	false === $network_level_or_blog_id \|\|
166	is_null( $network_level_or_blog_id ) \|\|
167	is_numeric( $network_level_or_blog_id )
168	) {
169	$storage = $this->get_site_storage( $network_level_or_blog_id );
170	$storage->clear_all( $store, $exceptions );
171	}
172
173	if ( $this->_is_multisite &&
174	( true === $network_level_or_blog_id \|\| is_null( $network_level_or_blog_id ) )
175	) {
176	$this->_network_storage->clear_all( $store, $exceptions );
177	}
178	}
179
180	/**
181	* @author Leo Fajardo (@leorw)
182	*
183	* @param string $key
184	* @param bool $store
185	* @param null\|bool\|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_BINARY_MAP).
186	*/
187	function remove( $key, $store = true, $network_level_or_blog_id = null ) {
188	if ( $this->should_use_network_storage( $key, $network_level_or_blog_id ) ) {
189	$this->_network_storage->remove( $key, $store );
190	} else {
191	$storage = $this->get_site_storage( $network_level_or_blog_id );
192	$storage->remove( $key, $store );
193	}
194	}
195
196	/**
197	* @author Leo Fajardo (@leorw)
198	*
199	* @param string $key
200	* @param mixed $default
201	* @param null\|bool\|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_BINARY_MAP).
202	*
203	* @return mixed
204	*/
205	function get( $key, $default = false, $network_level_or_blog_id = null ) {
206	if ( $this->should_use_network_storage( $key, $network_level_or_blog_id ) ) {
207	return $this->_network_storage->get( $key, $default );
208	} else {
209	$storage = $this->get_site_storage( $network_level_or_blog_id );
210
211	return $storage->get( $key, $default );
212	}
213	}
214
215	/**
216	* Multisite activated:
217	* true: Save network storage.
218	* int: Save site specific storage.
219	* false\|0: Save current site storage.
220	* null: Save network and current site storage.
221	* Site level activated:
222	* Save site storage.
223	*
224	* @author Vova Feldman (@svovaf)
225	* @since 2.0.0
226	*
227	* @param bool\|int\|null $network_level_or_blog_id
228	*/
229	function save( $network_level_or_blog_id = null ) {
230	if ( $this->_is_network_active &&
231	( true === $network_level_or_blog_id \|\| is_null( $network_level_or_blog_id ) )
232	) {
233	$this->_network_storage->save();
234	}
235
236	if ( ! $this->_is_network_active \|\| true !== $network_level_or_blog_id ) {
237	$storage = $this->get_site_storage( $network_level_or_blog_id );
238	$storage->save();
239	}
240	}
241
242	/**
243	* @author Vova Feldman (@svovaf)
244	* @since 2.0.0
245	*
246	* @return string
247	*/
248	function get_module_slug() {
249	return $this->_module_slug;
250	}
251
252	/**
253	* @author Vova Feldman (@svovaf)
254	* @since 2.0.0
255	*
256	* @return string
257	*/
258	function get_module_type() {
259	return $this->_module_type;
260	}
261
262	/**
263	* Migration script to the new storage data structure that is network compatible.
264	*
265	* IMPORTANT:
266	* This method should be executed only after it is determined if this is a network
267	* level compatible product activation.
268	*
269	* @author Vova Feldman (@svovaf)
270	* @since 2.0.0
271	*/
272	function migrate_to_network() {
273	if ( ! $this->_is_multisite ) {
274	return;
275	}
276
277	$updated = false;
278
279	if ( ! isset( self::$_NETWORK_OPTIONS_MAP ) ) {
280	self::load_network_options_map();
281	}
282
283	foreach ( self::$_NETWORK_OPTIONS_MAP as $option => $storage_level ) {
284	if ( ! $this->is_multisite_option( $option ) ) {
285	continue;
286	}
287
288	if ( isset( $this->_storage->{$option} ) && ! isset( $this->_network_storage->{$option} ) ) {
289	// Migrate option to the network storage.
290	$this->_network_storage->store( $option, $this->_storage->{$option}, false );
291
292	/**
293	* Remove the option from site level storage.
294	*
295	* IMPORTANT:
296	* The line below is intentionally commented since we want to preserve the option
297	* on the site storage level for "downgrade compatibility". Basically, if the user
298	* will downgrade to an older version of the plugin with the prev storage structure,
299	* it will continue working.
300	*
301	* @todo After a few releases we can remove this.
302	*/
303	// $this->_storage->remove($option, false);
304
305	$updated = true;
306	}
307	}
308
309	if ( ! $updated ) {
310	return;
311	}
312
313	// Update network level storage.
314	$this->_network_storage->save();
315	// $this->_storage->save();
316	}
317
318	#--------------------------------------------------------------------------------
319	#region Helper Methods
320	#--------------------------------------------------------------------------------
321
322	/**
323	* We don't want to load the map right away since it's not even needed in a non-MS environment.
324	*
325	* Example:
326	* array(
327	* 'option1' => 0, // Means that the option should always be stored on the network level.
328	* 'option2' => 1, // Means that the option should be stored on the network level only when the module was network level activated.
329	* 'option2' => 2, // Means that the option should be stored on the network level only when the module was network level activated AND the connection was NOT delegated.
330	* 'option3' => 3, // Means that the option should always be stored on the site level.
331	* )
332	*
333	* @author Vova Feldman (@svovaf)
334	* @since 2.0.0
335	*/
336	private static function load_network_options_map() {
337	self::$_NETWORK_OPTIONS_MAP = array(
338	// Network level options.
339	'affiliate_application_data' => 0,
340	'connectivity_test' => 0,
341	'handle_gdpr_admin_notice' => 0,
342	'has_trial_plan' => 0,
343	'install_sync_timestamp' => 0,
344	'install_sync_cron' => 0,
345	'is_anonymous_ms' => 0,
346	'is_on' => 0,
347	'is_plugin_new_install' => 0,
348	'network_install_blog_id' => 0,
349	'pending_sites_info' => 0,
350	'plugin_last_version' => 0,
351	'plugin_main_file' => 0,
352	'plugin_version' => 0,
353	'sdk_downgrade_mode' => 0,
354	'sdk_last_version' => 0,
355	'sdk_upgrade_mode' => 0,
356	'sdk_version' => 0,
357	'sticky_optin_added_ms' => 0,
358	'subscriptions' => 0,
359	'sync_timestamp' => 0,
360	'sync_cron' => 0,
361	'was_plugin_loaded' => 0,
362	'network_user_id' => 0,
363	'plugin_upgrade_mode' => 0,
364	'plugin_downgrade_mode' => 0,
365	'is_network_connected' => 0,
366	/**
367	* Special flag that is used when a super-admin upgrades to the new version of the SDK that
368	* supports network level integration, when the connection decision wasn't made for all of the
369	* sites in the network.
370	*/
371	'is_network_activation' => 0,
372
373	// When network activated, then network level.
374	'install_timestamp' => 1,
375	'prev_is_premium' => 1,
376	'require_license_activation' => 1,
377
378	// If not network activated OR delegated, then site level.
379	'activation_timestamp' => 2,
380	'prev_user_id' => 2,
381	'sticky_optin_added' => 2,
382	'uninstall_reason' => 2,
383	'is_pending_activation' => 2,
384	'pending_license_key' => 2,
385
386	// Site level options.
387	'is_anonymous' => 3,
388	);
389	}
390
391	/**
392	* This method will and should only be executed when is_multisite() is true.
393	*
394	* @author Vova Feldman (@svovaf)
395	* @since 2.0.0
396	*
397	* @param string $key
398	*
399	* @return bool\|mixed
400	*/
401	private function is_multisite_option( $key ) {
402	if ( ! isset( self::$_NETWORK_OPTIONS_MAP ) ) {
403	self::load_network_options_map();
404	}
405
406	if ( ! isset( self::$_NETWORK_OPTIONS_MAP[ $key ] ) ) {
407	// Option not found -> use site level storage.
408	return false;
409	}
410
411	if ( 0 === self::$_NETWORK_OPTIONS_MAP[ $key ] ) {
412	// Option found and set to always use the network level storage on a multisite.
413	return true;
414	}
415
416	if ( 3 === self::$_NETWORK_OPTIONS_MAP[ $key ] ) {
417	// Option found and set to always use the site level storage on a multisite.
418	return false;
419	}
420
421	if ( ! $this->_is_network_active ) {
422	return false;
423	}
424
425	if ( 1 === self::$_NETWORK_OPTIONS_MAP[ $key ] ) {
426	// Network activated.
427	return true;
428	}
429
430	if ( 2 === self::$_NETWORK_OPTIONS_MAP[ $key ] && ! $this->_is_delegated_connection ) {
431	// Network activated and not delegated.
432	return true;
433	}
434
435	return false;
436	}
437
438	/**
439	* @author Leo Fajardo
440	*
441	* @param string $key
442	* @param null\|bool\|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_BINARY_MAP).
443	*
444	* @return bool
445	*/
446	private function should_use_network_storage( $key, $network_level_or_blog_id = null ) {
447	if ( ! $this->_is_multisite ) {
448	// Not a multisite environment.
449	return false;
450	}
451
452	if ( is_numeric( $network_level_or_blog_id ) ) {
453	// Explicitly asked to use a specified blog storage.
454	return false;
455	}
456
457	if ( is_bool( $network_level_or_blog_id ) ) {
458	// Explicitly specified whether should use the network or blog level storage.
459	return $network_level_or_blog_id;
460	}
461
462	// Determine which storage to use based on the option.
463	return $this->is_multisite_option( $key );
464	}
465
466	/**
467	* @author Vova Feldman (@svovaf)
468	* @since 2.0.0
469	*
470	* @param int $blog_id
471	*
472	* @return \FS_Key_Value_Storage
473	*/
474	private function get_site_storage( $blog_id = 0 ) {
475	if ( ! is_numeric( $blog_id ) \|\|
476	$blog_id == $this->_blog_id \|\|
477	0 == $blog_id
478	) {
479	return $this->_storage;
480	}
481
482	return FS_Key_Value_Storage::instance(
483	$this->_module_type . '_data',
484	$this->_storage->get_secondary_id(),
485	$blog_id
486	);
487	}
488
489	#endregion
490
491	#--------------------------------------------------------------------------------
492	#region Magic methods
493	#--------------------------------------------------------------------------------
494
495	function __set( $k, $v ) {
496	if ( $this->should_use_network_storage( $k ) ) {
497	$this->_network_storage->{$k} = $v;
498	} else {
499	$this->_storage->{$k} = $v;
500	}
501	}
502
503	function __isset( $k ) {
504	return $this->should_use_network_storage( $k ) ?
505	isset( $this->_network_storage->{$k} ) :
506	isset( $this->_storage->{$k} );
507	}
508
509	function __unset( $k ) {
510	if ( $this->should_use_network_storage( $k ) ) {
511	unset( $this->_network_storage->{$k} );
512	} else {
513	unset( $this->_storage->{$k} );
514	}
515	}
516
517	function __get( $k ) {
518	return $this->should_use_network_storage( $k ) ?
519	$this->_network_storage->{$k} :
520	$this->_storage->{$k};
521	}
522
523	#endregion
524	}