give / includes / class-give-cache-setting.php

class-give-cache-setting.php in GiveWP – Donation Plugin and Fundraising Platform 2.5.3, at includes/class-give-cache-setting.php

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1	<?php
2	/**
3	* Class for managing plugin settings cache
4	*
5	* Note: only use for internal purpose.
6	*
7	* @package Give
8	* @subpackage Classes/Give_Cache_Setting
9	* @copyright Copyright (c) 2018, GiveWP
10	* @license https://opensource.org/licenses/gpl-license GNU Public License
11	* @since 2.4.0
12	*/
13
14	// Exit if accessed directly.
15	if ( ! defined( 'ABSPATH' ) ) {
16	exit;
17	}
18
19	/**
20	* Class Give_Cache_Setting
21	*/
22	class Give_Cache_Setting {
23	/**
24	* Instance.
25	*
26	* @since 2.4.0
27	* @access private
28	* @var Give_Cache_Setting
29	*/
30	static private $instance;
31
32	/**
33	* Cache key.
34	*
35	* @since 2.4.0
36	* @access private
37	* @var string
38	*/
39	private $cache_key = 'giveAllOptions';
40
41
42	/**
43	* Cache group.
44	*
45	* @since 2.4.0
46	* @access private
47	* @var string
48	*/
49	private $cache_group = 'give-options';
50
51	/**
52	* Array of cached settings
53	*
54	* @since 2.4.0
55	* @access private
56	* @var array
57	*/
58	private $settings = array(
59	'give_settings' => array(),
60	'give_version' => '',
61	'give_completed_upgrades' => array(),
62	'give_doing_upgrade' => array(),
63	'give_paused_batches' => array(),
64	'give_install_pages_created' => '',
65	'give_show_db_upgrade_complete_notice' => '',
66	'give_addon_last_activated' => '',
67	'currencies' => array(),
68	'gateways' => array(),
69	);
70
71	/**
72	* Array of cached setting db option names
73	*
74	* @since 2.4.0
75	* @access private
76	* @var array
77	*/
78	private $db_option_ids = array(
79	'give_settings',
80	'give_version',
81	'give_completed_upgrades',
82	'give_doing_upgrade',
83	'give_install_pages_created',
84	'give_show_db_upgrade_complete_notice',
85	'give_addon_last_activated',
86	'give_paused_batches',
87	);
88
89	/**
90	* Array of cached setting option names
91	*
92	* @since 2.4.0
93	* @access private
94	* @var array
95	*/
96	static private $all_option_ids;
97
98	/**
99	* Singleton pattern.
100	*
101	* @since 2.4.0
102	* @access private
103	*/
104	private function __construct() {
105	}
106
107
108	/**
109	* Get instance.
110	*
111	* @since 2.4.0
112	* @access public
113	* @return Give_Cache_Setting
114	*/
115	public static function get_instance() {
116	if ( null === static::$instance ) {
117	self::$instance = new static();
118
119	self::$instance->setup();
120	}
121
122	return self::$instance;
123	}
124
125	/**
126	* Setup
127	*
128	* @since 2.4.0
129	* @access private
130	*/
131	private function setup() {
132	self::$all_option_ids = array_keys( $this->settings );
133
134	$this->load_plugin_settings();
135
136	add_action( 'added_option', array( $this, 'reload_plugin_settings' ) );
137	add_action( 'updated_option', array( $this, 'reload_plugin_settings' ) );
138	add_action( 'deleted_option', array( $this, 'reload_plugin_settings' ) );
139
140	add_action( 'give_init', array( $this, 'setup_currencies_list' ), 11 );
141	add_action( 'give_init', array( $this, 'setup_gateways_list' ), 11 );
142	}
143
144	/**
145	* Load plugin settings
146	*
147	* @since 2.4.0
148	* @access private
149	*/
150	private function load_plugin_settings() {
151	global $wpdb;
152
153	/**
154	* Fire the filter
155	*
156	* This filter can be used if admin facing any caching issue.
157	* This is a switch to enable or disable setting cache.
158	* Thus filter can be removed in future.
159	*
160	* @since 2.4.1
161	*
162	*/
163	if ( ! apply_filters( 'give_disable_setting_cache', false ) ) {
164	$cache = wp_cache_get( $this->cache_key, $this->cache_group );
165
166	// Load options from cache.
167	if ( ! empty( $cache ) ) {
168	$this->settings = $cache;
169
170	return;
171	}
172	}
173
174	$db_option_ids = '\'' . implode( '\',\'', $this->db_option_ids ) . '\'';
175
176	$sql = "SELECT option_name, option_value FROM $wpdb->options WHERE option_name IN ({$db_option_ids}) ";
177	$results = $wpdb->get_results( $sql );
178
179	if ( ! empty( $results ) ) {
180
181	/* @var stdClass $result */
182	foreach ( $results as $result ) {
183	$this->settings[ $result->option_name ] = maybe_unserialize( $result->option_value );
184	}
185
186	wp_cache_set( $this->cache_key, $this->settings, $this->cache_group );
187	}
188	}
189
190	/**
191	* Reload option when add, update or delete
192	*
193	* Note: only for internal logic
194	*
195	* @since 2.4.0
196	*
197	* @param $option_name
198	*/
199	public function reload_plugin_settings( $option_name ) {
200	// Bailout.
201	if ( ! in_array( $option_name, $this->db_option_ids ) ) {
202	return;
203	}
204
205	wp_cache_delete( $this->cache_key, $this->cache_group );
206	$this->load_plugin_settings();
207	}
208
209	/**
210	* Setup currencies list
211	*
212	* @since 2.4.0
213	*/
214	public function setup_currencies_list() {
215	$currencies = require_once GIVE_PLUGIN_DIR . 'includes/currencies-list.php';
216
217	/**
218	* Filter the supported currency list
219	*
220	* @since 2.4.0
221	*/
222	$currencies = apply_filters( 'give_register_currency', $currencies );
223
224	$this->settings['currencies'] = $currencies;
225	}
226
227
228	/**
229	* Setup gateway list
230	*
231	* @since 2.4.0
232	*/
233	public function setup_gateways_list() {
234	// Default, built-in gateways
235	$gateways = array(
236	'paypal' => array(
237	'admin_label' => __( 'PayPal Standard', 'give' ),
238	'checkout_label' => __( 'PayPal', 'give' ),
239	),
240	'manual' => array(
241	'admin_label' => __( 'Test Donation', 'give' ),
242	'checkout_label' => __( 'Test Donation', 'give' ),
243	),
244	'offline' => array(
245	'admin_label' => esc_attr__( 'Offline Donation', 'give' ),
246	'checkout_label' => esc_attr__( 'Offline Donation', 'give' ),
247	),
248	);
249
250	/**
251	* Filter the supported gateways list
252	*
253	* @since 2.4.0
254	*/
255	$gateways = apply_filters( 'give_register_gateway', $gateways );
256
257	$this->settings['gateways'] = $gateways;
258	}
259
260
261	/**
262	* Get option
263	*
264	* @since 2.4.0
265	* @access public
266	*
267	* @param $option_name
268	* @param bool $default
269	*
270	* @return mixed
271	*/
272	public static function get_option( $option_name, $default = false ) {
273	$value = $default;
274
275	if ( in_array( $option_name, self::$all_option_ids ) ) {
276	$value = ! empty( self::$instance->settings[ $option_name ] )
277	? self::$instance->settings[ $option_name ]
278	: $default;
279	}
280
281	return $value;
282	}
283
284	/**
285	* Get plugin settings
286	*
287	* @since 2.4.0
288	* @access public
289	*/
290	public static function get_settings() {
291
292	/**
293	* Filter the plugin setting
294	*/
295	return (array) apply_filters( 'give_get_settings', self::get_option( 'give_settings', array() ) );
296	}
297	}
298
299	Give_Cache_Setting::get_instance();
300