charitable / includes / compat / class-charitable-polylang-compat.php

class-charitable-polylang-compat.php in Charitable – Donation & Fundraising Platform (Donation Forms, Recurring Donations & Fundraising Campaigns) 1.8.12.3, at includes/compat/class-charitable-polylang-compat.php

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1	<?php
2	/**
3	* A class to resolve compatibility issues with Polylang.
4	*
5	* @package Charitable/Classes/Charitable_Polylang_Compat
6	* @author David Bisset
7	* @copyright Copyright (c) 2023, WP Charitable LLC
8	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
9	* @since 1.6.42
10	* @version 1.6.57
11	*/
12
13	// Exit if accessed directly.
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	if ( ! class_exists( 'Charitable_Polylang_Compat' ) ) :
19
20	/**
21	* Charitable_Polylang_Compat
22	*
23	* @since 1.6.42
24	*/
25	class Charitable_Polylang_Compat {
26
27	/**
28	* Create class object.
29	*
30	* @since 1.6.42
31	*/
32	public function __construct() {
33	/* Load Donation & Campaign field translations late */
34	add_action( 'wp', array( $this, 'load_late_translations' ) );
35
36	/* Filter the amount donated to include any translations of the campaign. */
37	add_filter( 'charitable_campaign_donated_amount', array( $this, 'get_donated_amount' ), 5, 3 );
38
39	/* Filter the donor count to include any translations of the campaign. */
40	add_filter( 'charitable_campaign_donor_count', array( $this, 'get_donor_count' ), 5, 2 );
41
42	/* Handle Polylang translation of user dashboard menu */
43	add_action( 'wp_update_nav_menu', array( $this, 'flush_menu_object_cache' ) );
44	add_action( 'wp_update_nav_menu_item', array( $this, 'flush_menu_object_cache' ) );
45	add_filter( 'transient_charitable_user_dashboard_objects', array( $this, 'get_user_dashboard_objects' ) );
46	add_filter( 'pre_set_transient_charitable_user_dashboard_objects', array( $this, 'set_user_dashboard_objects' ) );
47
48	/* Profile Page */
49	add_filter( 'charitable_permalink_profile_page', array( $this, 'get_profile_page_url' ), 10, 2 );
50	add_filter( 'charitable_is_page_profile_page', array( $this, 'is_profile_page' ), 10, 2 );
51
52	/* Login Page */
53	add_filter( 'charitable_permalink_login_page', array( $this, 'get_login_page_url' ), 10, 2 );
54	add_filter( 'charitable_is_page_login_page', array( $this, 'is_login_page' ), 10, 2 );
55
56	/* Registration Page */
57	add_filter( 'charitable_permalink_registration_page', array( $this, 'get_registration_page_url' ), 10, 2 );
58	add_filter( 'charitable_is_page_registration_page', array( $this, 'is_registration_page' ), 10, 2 );
59
60	/* Donation Receipt Page */
61	add_filter( 'charitable_permalink_donation_receipt_page', array( $this, 'get_donation_receipt_page_url' ), 10, 2 );
62	add_filter( 'charitable_is_page_donation_receipt_page', array( $this, 'is_donation_receipt_page' ), 10, 2 );
63
64	/* Terms & Conditions and Privacy Policy */
65	add_filter( 'charitable_option_terms_conditions_page', array( $this, 'get_polylang_page_id' ) );
66	add_filter( 'charitable_option_privacy_policy_page', array( $this, 'get_polylang_page_id' ) );
67
68	/* Disable pre_get_posts filter added by Polylang */
69	add_action( 'charitable_donation_stats_before', array( $this, 'disable_polylang_pre_get_posts_filter' ) );
70	add_action( 'charitable_donation_stats_after', array( $this, 'reenable_polylang_pre_get_posts_filter' ) );
71
72	/**
73	* Do something with this class instance.
74	*
75	* @since 1.6.42
76	*
77	* @param Charitable_Polylang_Compat $helper Polylang compatibility class instance.
78	*/
79	do_action( 'charitable_polylang_compat', $this );
80	}
81
82	/**
83	* When Polylang picks up the language from the content, it translates
84	* content late, on the 'wp' hook. This is after Charitable's donation
85	* and campaign fields are loaded, which results in their labels, options
86	* and help text not being translated.
87	*
88	* To overcome this, with pick up the fields on the 'wp' hook and loop
89	* over them all to ensure Polylang translates them.
90	*
91	* @see https://github.com/polylang/polylang/issues/507#issuecomment-634640027
92	*
93	* @since 1.6.42
94	*
95	* @return void
96	*/
97	public function load_late_translations() {
98	$options = get_option( 'polylang' );
99
100	/* We only have to do this if the language is picked up from the content. */
101	if ( 0 !== $options['force_lang'] ) {
102	return;
103	}
104
105	$field_apis = array(
106	array(
107	'fields' => charitable()->donation_fields(),
108	'forms' => array( 'donation_form', 'admin_form' ),
109	),
110	array(
111	'fields' => charitable()->campaign_fields(),
112	'forms' => array( 'campaign_form', 'admin_form' ),
113	),
114	);
115
116	$translateable_form_fields = array( 'label', 'placeholder' );
117
118	foreach ( $field_apis as $api ) {
119	$fields = $api['fields'];
120
121	foreach ( $fields->get_fields() as $field ) {
122
123	/* Update the field label. */
124	$field->label = pll__( $field->label );
125
126	foreach ( $api['forms'] as $form ) {
127	$form_settings = $field->$form;
128
129	if ( ! is_array( $form_settings ) ) {
130	continue;
131	}
132
133	/* Translate form label and placeholder. */
134	foreach ( $translateable_form_fields as $form_field ) {
135	if ( array_key_exists( $form_field, $form_settings ) ) {
136	$field->set( $form, $form_field, pll__( $form_settings[ $form_field ] ) );
137	}
138	}
139
140	/* Translate options */
141	if ( array_key_exists( 'options', $form_settings ) && is_array( $form_settings['options'] ) ) {
142	$options = $form_settings['options'];
143
144	foreach ( $options as $key => $value ) {
145	$options[ $key ] = pll__( $value );
146	}
147
148	if ( in_array( $field->field, array( 'country', 'state' ) ) ) {
149	asort( $options );
150	}
151
152	$field->set( $form, 'options', $options );
153	}
154	}
155	}
156	}
157	}
158
159	/**
160	* Return a list of campaign IDs that are translations of the
161	* given campaign.
162	*
163	* @since 1.6.43
164	*
165	* @param Charitable_Campaign $campaign
166	* @return array
167	*/
168	public function get_campaign_translations( Charitable_Campaign $campaign ) {
169	return array_values( pll_get_post_translations( $campaign->ID ) );
170	}
171
172	/**
173	* Filter the amount donated to a campaign to include any translations of the same campaign.
174	*
175	* @since 1.6.43
176	*
177	* @param string $amount The default amount donated.
178	* @param Charitable_Campaign $campaign The campaign to get the donated amount for.
179	* @param boolean $sanitize Whether to sanitize the amount. False by default.
180	* @return string
181	*/
182	public function get_donated_amount( $amount, Charitable_Campaign $campaign, $sanitize = false ) {
183	$campaigns = $this->get_campaign_translations( $campaign );
184
185	if ( empty( $campaigns ) ) {
186	return $amount;
187	}
188
189	$amount = charitable_get_table( 'campaign_donations' )->get_campaign_donated_amount( $campaigns );
190
191	if ( $sanitize ) {
192	$amount = charitable_sanitize_amount( $amount );
193	}
194
195	return $amount;
196	}
197
198	/**
199	* Return the number of donors, including any donations to campaign locale variations.
200	*
201	* @since 1.6.43
202	*
203	* @param int $count The default number of donors.
204	* @param Charitable_Campaign $campaign The campaign object.
205	* @return int
206	*/
207	public function get_donor_count( $count, Charitable_Campaign $campaign ) {
208	$campaigns = $this->get_campaign_translations( $campaign );
209
210	if ( empty( $campaigns ) ) {
211	return $count;
212	}
213
214	return charitable_get_table( 'campaign_donations' )->count_campaign_donors( $campaigns );
215	}
216
217	/**
218	* Returns the user dashboard menus, including any Polylang
219	* translation versions.
220	*
221	* @since 1.6.42
222	*
223	* @return array
224	*/
225	public function get_user_dashboard_menus() {
226	$dashboard_menus = array();
227
228	/* Get all nav menu locations. */
229	$locations = get_nav_menu_locations();
230
231	foreach ( $locations as $location => $assigned_menu ) {
232	if ( 'charitable-dashboard' === substr( $location, 0, 20 ) ) {
233	$dashboard_menus[] = wp_get_nav_menu_object( $assigned_menu );
234	}
235	}
236
237	return $dashboard_menus;
238	}
239
240	/**
241	* Flush the object cache when a menu assigned to the user dashboard
242	* location (in any language) is edited.
243	*
244	* @since 1.6.42
245	*
246	* @param int $menu_id The menu id.
247	* @return void
248	*/
249	public function flush_menu_object_cache( $menu_id ) {
250	$dashboard_menus = $this->get_user_dashboard_menus();
251
252	if ( empty( $dashboard_menus ) ) {
253	delete_transient( 'charitable_user_dashboard_objects' );
254	}
255
256	if ( in_array( $menu_id, wp_list_pluck( $dashboard_menus, 'term_id' ) ) ) {
257	delete_transient( 'charitable_user_dashboard_objects' );
258	}
259	}
260
261	/**
262	* Get the user dashboard objects for the current language.
263	*
264	* @since 1.6.42
265	*
266	* @return array
267	*/
268	public function get_user_dashboard_objects( $objects ) {
269	$language = pll_current_language();
270
271	if ( false === $objects ) {
272	return false;
273	}
274
275	if ( ! array_key_exists( $language, $objects ) ) {
276	return false;
277	}
278
279	return $objects[ $language ];
280	}
281
282	/**
283	* When saving the user dashboard objects, include any objects in Polylang
284	* locations of the user dashboard menu.
285	*
286	* @since 1.6.42
287	*
288	* @return array
289	*/
290	public function set_user_dashboard_objects( $menu_items ) {
291	$language = pll_current_language();
292
293	/* Temporarily switch off our filter. */
294	remove_filter( 'transient_charitable_user_dashboard_objects', array( $this, 'get_user_dashboard_objects' ) );
295
296	$all_menu_items = get_transient( 'charitable_user_dashboard_objects' );
297
298	if ( ! is_array( $all_menu_items ) ) {
299	$all_menu_items = array();
300	}
301
302	if ( ! array_key_exists( $language, $all_menu_items ) ) {
303	$all_menu_items[ $language ] = $menu_items;
304	}
305
306	/* Temporarily switch off our filter. */
307	add_filter( 'transient_charitable_user_dashboard_objects', array( $this, 'get_user_dashboard_objects' ) );
308
309	return $all_menu_items;
310	}
311
312	/**
313	* Get the current language version of the specified endpoint,
314	* or return the default.
315	*
316	* @since 1.6.42
317	*
318	* @param string $endpoint_id The endpoint ID.
319	* @param string $default The endpoint's URL.
320	* @param array $args Mixed set of arguments.
321	* @return string
322	*/
323	public function get_polylang_page_url( $page_option, $default, $args ) {
324	if ( empty( $default ) ) {
325	return $default;
326	}
327
328	/* Prevent Polylang override. */
329	if ( array_key_exists( 'polylang_override', $args ) && ! $args['polylang_override'] ) {
330	return $default;
331	}
332
333	$page_id = charitable_get_option( $page_option, false );
334
335	if ( in_array( $page_id, array( 'wp', 'auto' ) ) ) {
336	return $default;
337	}
338
339	return get_permalink( pll_get_post( $page_id ) );
340	}
341
342	/**
343	* Checks whether this is the specified page.
344	*
345	* @since 1.6.42
346	*
347	* @param string $page_option The option key used to record the page ID.
348	* @param boolean $is_page Whether we are currently on the page.
349	* @param array $args Mixed arguments.
350	* @return string
351	*/
352	public function is_polylang_page( $page_option, $is_page, $args ) {
353	/* We've already determined it's the current page. */
354	if ( $is_page ) {
355	return $is_page;
356	}
357
358	/* Prevent Polylang override. */
359	if ( array_key_exists( 'polylang_override', $args ) && ! $args['polylang_override'] ) {
360	return $is_page;
361	}
362
363	global $post, $wp_query;
364
365	if ( is_null( $post ) \|\| ! $wp_query->is_main_query() ) {
366	return $is_page;
367	}
368
369	$page_id = charitable_get_option( $page_option, false );
370
371	if ( in_array( $page_id, array( 'wp', 'auto' ) ) ) {
372	return $is_page;
373	}
374
375	$pll_page = pll_get_post( $page_id );
376
377	return $pll_page && $pll_page === $post->ID;
378	}
379
380	/**
381	* Get the profile page URL.
382	*
383	* @since 1.6.42
384	*
385	* @param string $default The endpoint's URL.
386	* @param array $args Mixed set of arguments.
387	* @return string
388	*/
389	public function get_profile_page_url( $default, $args ) {
390	return $this->get_polylang_page_url( 'profile_page', $default, $args );
391	}
392
393	/**
394	* Check whether we are currently on the profile page.
395	*
396	* @since 1.6.42
397	*
398	* @param boolean $is_page Whether we are currently on the profile page.
399	* @param array $args Mixed arguments.
400	* @return boolean
401	*/
402	public function is_profile_page( $is_page, $args ) {
403	return $this->is_polylang_page( 'profile_page', $is_page, $args );
404	}
405
406	/**
407	* Get the login page URL.
408	*
409	* @since 1.6.42
410	*
411	* @param string $default The endpoint's URL.
412	* @param array $args Mixed set of arguments.
413	* @return string
414	*/
415	public function get_login_page_url( $default, $args ) {
416	return $this->get_polylang_page_url( 'login_page', $default, $args );
417	}
418
419	/**
420	* Check whether we are currently on the login page.
421	*
422	* @since 1.6.42
423	*
424	* @param boolean $is_page Whether we are currently on the login page.
425	* @param array $args Mixed arguments.
426	* @return boolean
427	*/
428	public function is_login_page( $is_page, $args ) {
429	return $this->is_polylang_page( 'login_page', $is_page, $args );
430	}
431
432	/**
433	* Get the registration page URL.
434	*
435	* @since 1.6.42
436	*
437	* @param string $default The endpoint's URL.
438	* @param array $args Mixed set of arguments.
439	* @return string
440	*/
441	public function get_registration_page_url( $default, $args ) {
442	return $this->get_polylang_page_url( 'registration_page', $default, $args );
443	}
444
445	/**
446	* Check whether we are currently on the registration page.
447	*
448	* @since 1.6.42
449	*
450	* @param boolean $is_page Whether we are currently on the registration page.
451	* @param array $args Mixed arguments.
452	* @return boolean
453	*/
454	public function is_registration_page( $is_page, $args ) {
455	return $this->is_polylang_page( 'registration_page', $is_page, $args );
456	}
457
458	/**
459	* Get the donation receipt page URL.
460	*
461	* @since 1.6.42
462	*
463	* @param string $default The endpoint's URL.
464	* @param array $args Mixed set of arguments.
465	* @return string
466	*/
467	public function get_donation_receipt_page_url( $default, $args ) {
468	$pll_url = $this->get_polylang_page_url( 'donation_receipt_page', $default, $args );
469
470	if ( $pll_url !== $default ) {
471	$donation_id = isset( $args['donation_id'] ) ? $args['donation_id'] : get_the_ID();
472	$pll_url = esc_url_raw( add_query_arg( array( 'donation_id' => $donation_id ), $pll_url ) );
473	}
474
475	return $pll_url;
476	}
477
478	/**
479	* Check whether we are currently on the donation receipt page.
480	*
481	* @since 1.6.42
482	*
483	* @param boolean $is_page Whether we are currently on the donation_receipt page.
484	* @param array $args Mixed arguments.
485	* @return boolean
486	*/
487	public function is_donation_receipt_page( $is_page, $args ) {
488	return $this->is_polylang_page( 'donation_receipt_page', $is_page, $args );
489	}
490
491	/**
492	* Get the page ID of a specific page, returning the Polylang
493	* translation if applicable.
494	*
495	* @since 1.6.42
496	*
497	* @param int\|string $page_id The set page id.
498	* @return int\|string
499	*/
500	public function get_polylang_page_id( $page_id ) {
501	if ( empty( $page_id ) \|\| 0 == $page_id ) {
502	return $page_id;
503	}
504
505	return pll_get_post( $page_id );
506	}
507
508	/**
509	* Disable the Polylang auto translate pre_get_posts filter.
510	*
511	* @since 1.6.57
512	*
513	* @return void
514	*/
515	public function disable_polylang_pre_get_posts_filter() {
516	if ( method_exists( \PLL(), 'auto_translate' ) ) {
517	remove_action( 'pre_get_posts', array( \PLL()->auto_translate(), 'pre_get_posts' ) );
518	}
519	}
520
521	/**
522	* Re-enable the Polylang auto translate pre_get_posts filter.
523	*
524	* @since 1.6.57
525	*
526	* @return void
527	*/
528	public function reenable_polylang_pre_get_posts_filter() {
529	if ( method_exists( \PLL(), 'auto_translate' ) ) {
530	add_action( 'pre_get_posts', array( \PLL()->auto_translate(), 'pre_get_posts' ) );
531	}
532	}
533	}
534
535	endif;
536