charitable / includes / campaigns / class-charitable-campaign-processor.php

class-charitable-campaign-processor.php in Charitable – Donation & Fundraising Platform (Donation Forms, Recurring Donations & Fundraising Campaigns) 1.7.0.2, at includes/campaigns/class-charitable-campaign-processor.php

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1	<?php
2	/**
3	* Class that is responsible for creating campaigns.
4	*
5	* @package Charitable/Classes/Charitable_Campaign_Processor
6	* @author David Bisset
7	* @copyright Copyright (c) 2022, WP Charitable LLC
8	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
9	* @since 1.5.9
10	* @version 1.6.54
11	*/
12
13	// Exit if accessed directly.
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	if ( ! class_exists( 'Charitable_Campaign_Processor' ) ) :
19
20	/**
21	* Charitable_Campaign_Processor
22	*
23	* @since 1.5.9
24	*/
25	class Charitable_Campaign_Processor {
26
27	/**
28	* Raw input args.
29	*
30	* @since 1.5.9
31	*
32	* @var array
33	*/
34	protected $input;
35
36	/**
37	* Campaign values.
38	*
39	* @since 1.5.9
40	*
41	* @var array
42	*/
43	protected $args;
44
45	/**
46	* Core post keys.
47	*
48	* @since 1.5.9
49	*
50	* @var array
51	*/
52	protected $core_keys;
53
54	/**
55	* Campaign meta keys.
56	*
57	* @since 1.5.9
58	*
59	* @var array
60	*/
61	protected $meta_keys;
62
63	/**
64	* Create class object.
65	*
66	* @since 1.5.9
67	*
68	* @param array $args Values for the campaign.
69	* @param array $meta_keys Meta keys to be saved as campaign meta.
70	*/
71	public function __construct( array $args = array(), $meta_keys = null ) {
72	$this->input = $args;
73	$this->core_keys = array(
74	'ID' => 'ID',
75	'post_title' => 'title',
76	'post_content' => 'content',
77	'post_author' => 'creator',
78	'post_status' => 'status',
79	'post_parent' => 'parent',
80	);
81
82	$this->meta_keys = is_array( $meta_keys ) ? $meta_keys : array(
83	'goal',
84	'end_date',
85	'suggested_donations',
86	'allow_custom_donations',
87	'description',
88	);
89
90	$this->parse_args();
91	}
92
93	/**
94	* Return the query argument value for the given key.
95	*
96	* @since 1.5.9
97	*
98	* @param string $key The key of the argument.
99	* @param mixed $fallback Default value to fall back to.
100	* @return mixed\|false Returns fallback if the argument is not found.
101	*/
102	public function get( $key, $fallback = false ) {
103	return isset( $this->args[ $key ] ) ? $this->args[ $key ] : $fallback;
104	}
105
106	/**
107	* Set the query argument for the given key.
108	*
109	* @since 1.5.9
110	*
111	* @param string $key Key of argument to set.
112	* @param mixed $value Value to be set.
113	* @return void
114	*/
115	public function set( $key, $value ) {
116	$this->input[ $key ] = $value;
117	$this->args[ $key ] = $this->sanitize( $key, $value );
118	}
119
120	/**
121	* Sanitize arguments.
122	*
123	* @since 1.5.9
124	*
125	* @param string $key Key of argument to set.
126	* @param mixed $value Value to be set.
127	* @return mixed
128	*/
129	public function sanitize( $key, $value ) {
130	$key = $this->truncated_key( $key );
131
132	/**
133	* If a class sanitization method exists for this key, call it.
134	*/
135	if ( $this->use_sanitizer( $key ) ) {
136	$value = call_user_func( array( $this, 'sanitize_' . $key ), $value );
137	}
138
139	/**
140	* Filter a campaign argument when it is set.
141	*
142	* @since 1.5.9
143	*
144	* @param mixed $value The value.
145	* @param Charitable_Campaign_Processor $processor This processor object.
146	*/
147	return apply_filters( 'charitable_campaign_processor_sanitize_' . $key, $value, $this );
148	}
149
150	/**
151	* Save the campaign to the database.
152	*
153	* @since 1.5.9
154	*
155	* @return int The campaign ID, or 0 if the campaign was not created.
156	*/
157	public function save() {
158	$this->campaign_id = $this->save_core();
159
160	if ( ! $this->campaign_id \|\| is_wp_error( $this->campaign_id ) ) {
161	return 0;
162	}
163
164	$this->save_meta();
165	$this->save_taxonomies();
166
167	return $this->campaign_id;
168	}
169
170	/**
171	* Save the core data.
172	*
173	* @since 1.5.9
174	*
175	* @return int\|WP_Error The donation ID if succesful. The value 0 or WP_Error on failure.
176	*/
177	public function save_core() {
178	$data = array_reduce( $this->core_keys, array( $this, 'get_core_data_value' ) );
179	$data['post_type'] = Charitable::CAMPAIGN_POST_TYPE;
180
181	/**
182	* Filter the core campaign data.
183	*
184	* @since 1.5.9
185	*
186	* @param array $data Core data.
187	* @param Charitable_Campaign_Processor $processor This processor object.
188	*/
189	$data = apply_filters( 'charitable_campaign_processor_core_data', $data, $this );
190
191	/**
192	* Update or insert the campaign.
193	*/
194	if ( $data['ID'] ) {
195	return wp_update_post( $data );
196	}
197
198	return wp_insert_post( $data );
199	}
200
201	/**
202	* Save the campaign meta data.
203	*
204	* @since 1.5.9
205	* @since 1.6.54 Return an array, instead of true.
206	*
207	* @return array The meta data saved, in key=>value format.
208	*/
209	public function save_meta() {
210	/**
211	* Filter the campaign meta.
212	*
213	* @since 1.5.9
214	*
215	* @param array $meta Meta data.
216	* @param Charitable_Campaign_Processor $processor This processor object.
217	*/
218	$meta = apply_filters( 'charitable_campaign_processor_meta_data', charitable_array_subset( $this->args, $this->meta_keys ), $this );
219
220	array_walk( $meta, array( $this, 'save_meta_field' ) );
221
222	return $meta;
223	}
224
225	/**
226	* Returns a truncated key.
227	*
228	* @since 1.5.9
229	*
230	* @param string $key The key to be truncated.
231	* @return string
232	*/
233	public function truncated_key( $key ) {
234	return strpos( $key, '_campaign_' ) === 0 ? str_replace( '_campaign_', '', $key ) : $key;
235	}
236
237	/**
238	* Save the campaign meta data.
239	*
240	* @since 1.5.9
241	* @since 1.6.54 Return an array, instead of void.
242	*
243	* @return array Taxonomy data that was saved.
244	*/
245	public function save_taxonomies() {
246	/**
247	* Filter the campaign taxonomy data.
248	*
249	* @since 1.5.9
250	*
251	* @param array $data Taxonomy data.
252	* @param Charitable_Campaign_Processor $processor This processor object.
253	*/
254	$data = apply_filters(
255	'charitable_campaign_processor_taxonomy_data',
256	array(
257	'campaign_category' => $this->get( 'categories' ),
258	'campaign_tag' => $this->get( 'tags' ),
259	),
260	$this
261	);
262
263	foreach ( $data as $taxonomy => $terms ) {
264	if ( false !== $terms ) {
265	wp_set_object_terms( $this->campaign_id, $terms, $taxonomy, false );
266	}
267	}
268
269	return $data;
270	}
271
272	/**
273	* Checks whether this is a new campaign being created,
274	* or an update to an existing campaign.
275	*
276	* @since 1.5.9
277	*
278	* @return boolean
279	*/
280	public function is_new_campaign() {
281	return ! array_key_exists( 'ID', $this->input ) \|\| 0 == $this->input['ID'];
282	}
283
284	/**
285	* Return the default arguments.
286	*
287	* @since 1.5.9
288	*
289	* @return boolean
290	*/
291	protected function get_default_args() {
292	/**
293	* Set the default campaign arguments.
294	*
295	* @since 1.5.9
296	*
297	* @param array $args The list of default arguments.
298	*/
299	return apply_filters(
300	'charitable_campaign_processor_default_args',
301	array(
302	'ID' => 0,
303	'title' => '',
304	'content' => '',
305	'creator' => get_current_user_id(),
306	'status' => 'publish',
307	'parent' => 0,
308	'image' => 0,
309	'description' => '',
310	'goal' => 0,
311	'end_date' => 0,
312	'suggested_donations' => array(),
313	'allow_custom_donations' => 1,
314	'categories' => array(),
315	'tags' => array(),
316	)
317	);
318	}
319
320	/**
321	* Parse submitted values with the default values.
322	*
323	* @since 1.5.9
324	*
325	* @return array
326	*/
327	protected function parse_args() {
328	if ( $this->is_new_campaign() ) {
329	$this->args = $this->get_default_args();
330	}
331
332	/**
333	* Set each passed argument.
334	*/
335	array_walk( $this->input, array( $this, 'set_initial_arg' ) );
336
337	/**
338	* Set the campaign ID.
339	*/
340	$this->campaign_id = $this->args['ID'];
341
342	return $this->args;
343	}
344
345	/**
346	* Set an arg that was passed when instantiating the object.
347	*
348	* @since 1.5.9
349	*
350	* @param mixed $value The arg value.
351	* @param string $key The arg key.
352	* @return void
353	*/
354	protected function set_initial_arg( $value, $key ) {
355	$this->set( $key, $value );
356	}
357
358	/**
359	* Sanitize the campaign status.
360	*
361	* @since 1.5.9
362	*
363	* @param mixed $value The submitted end date.
364	* @return string
365	*/
366	protected function sanitize_status( $value ) {
367	if ( ! in_array( $value, get_post_stati() ) ) {
368	$value = 'publish';
369	}
370
371	return $value;
372	}
373
374	/**
375	* Sanitize the campaign creator.
376	*
377	* This checks to ensure that a user actually exists for the given ID.
378	*
379	* @since 1.5.9
380	*
381	* @param mixed $value The submitted creator ID.
382	* @return string
383	*/
384	protected function sanitize_creator( $value ) {
385	$user = get_user_by( 'id', $value );
386
387	if ( false === $user ) {
388	$value = 0;
389	}
390
391	return $value;
392	}
393
394	/**
395	* Sanitize the goal.
396	*
397	* @since 1.5.9
398	*
399	* @param string $value Current value of goal.
400	* @return float
401	*/
402	protected function sanitize_goal( $value ) {
403	if ( $this->should_skip_sanitizer_for_key( 'goal', array( 'Charitable_Campaign', 'sanitize_campaign_goal' ) ) ) {
404	return $value;
405	}
406
407	return Charitable_Campaign::sanitize_campaign_goal( (string) $value );
408	}
409
410	/**
411	* Sanitize the suggested donations.
412	*
413	* @since 1.5.9
414	*
415	* @param arrat $value Current value of suggested_donations.
416	* @return array
417	*/
418	protected function sanitize_suggested_donations( $value ) {
419	if ( $this->should_skip_sanitizer_for_key( 'suggested_donations', array( 'Charitable_Campaign', 'sanitize_campaign_suggested_donations' ) ) ) {
420	return $value;
421	}
422
423	return Charitable_Campaign::sanitize_campaign_suggested_donations( $value );
424	}
425
426	/**
427	* Sanitize the custom donations checkbox.
428	*
429	* @since 1.5.9
430	*
431	* @param int $value Current value of custom donations.
432	* @return int
433	*/
434	protected function sanitize_allow_custom_donations( $value ) {
435	if ( $this->should_skip_sanitizer_for_key( 'allow_custom_donations', array( 'Charitable_Campaign', 'sanitize_custom_donations' ) ) ) {
436	return $value;
437	}
438
439	return Charitable_Campaign::sanitize_custom_donations( $value, $this->input );
440	}
441
442	/**
443	* Return the input value of the suggested donations, or the existing suggested
444	* donations for the campaign if this is an update.
445	*
446	* @since 1.5.9
447	*
448	* @return array
449	*/
450	public function get_suggested_donations_value() {
451	if ( array_key_exists( 'suggested_donations', $this->input ) ) {
452	return $this->input['suggested_donations'];
453	}
454
455	if ( $this->is_new_campaign() ) {
456	return array();
457	}
458
459	return charitable_get_campaign( $this->args['ID'] )->get_suggested_donations();
460	}
461
462	/**
463	* Sanitize the description.
464	*
465	* @since 1.5.9
466	*
467	* @param arrat $value Current value of description.
468	* @return array
469	*/
470	protected function sanitize_description( $value ) {
471	if ( $this->should_skip_sanitizer_for_key( 'description', array( 'Charitable_Campaign', 'sanitize_campaign_description' ) ) ) {
472	return $value;
473	}
474
475	return Charitable_Campaign::sanitize_campaign_description( $value );
476	}
477
478	/**
479	* Sanitize the end date.
480	*
481	* @since 1.5.9
482	*
483	* @param mixed $value The submitted end date.
484	* @return string
485	*/
486	protected function sanitize_end_date( $value ) {
487	if ( 0 == $value ) {
488	return 0;
489	}
490
491	if ( ! $this->is_mysql_date_format( $value ) ) {
492	charitable_get_deprecated()->doing_it_wrong(
493	__METHOD__,
494	sprintf( __( 'Campaign processor requires date in YYYY-MM-DD format. Date passed as %s. This message was added in Charitable version 1.5.9.', 'charitable' ), $value ),
495	null
496	);
497
498	return 0;
499	}
500
501	if ( false === strpos( $value, ' ' ) ) {
502	$value .= ' 23:59:59';
503	}
504
505	return $value;
506	}
507
508	/**
509	* Checks whether the passed date is in MySQL date format.
510	*
511	* @since 1.5.9
512	*
513	* @param string $date The date.
514	* @return boolean
515	*/
516	protected function is_mysql_date_format( $date ) {
517	return preg_match( '/^\d{4}-\d{2}-\d{2}/', $date );
518	}
519
520	/**
521	* After saving the thumbnail ID, maybe attach its attachment post
522	* to the current campaign.
523	*
524	* @since 1.5.9
525	*
526	* @param int\|string $value The thumbnail ID.
527	* @return void
528	*/
529	protected function post_process_image( $value ) {
530	if ( empty( $value ) ) {
531	return;
532	}
533
534	$parent = get_post_field( 'post_parent', $value );
535
536	/* If the image is unattached to any post, attach it to the campaign. */
537	if ( 0 === $parent ) {
538	wp_update_post(
539	array(
540	'ID' => $value,
541	'post_parent' => $this->campaign_id,
542	)
543	);
544	}
545	}
546
547	/**
548	* Given a key, checks whether the key is set and if it is,
549	* gets the correct core key (i.e. post_content vs content)
550	* and the value.
551	*
552	* @since 1.5.9
553	*
554	* @return mixed
555	*/
556	public function get_core_data_value( $ret, $key ) {
557	if ( is_null( $ret ) ) {
558	$ret = array();
559	}
560
561	if ( array_key_exists( $key, $this->args ) ) {
562	$ret[ array_search( $key, $this->core_keys ) ] = $this->args[ $key ];
563	}
564
565	return $ret;
566	}
567
568	/**
569	* Save a meta field.
570	*
571	* @since 1.5.9
572	*
573	* @param mixed $value The value of the meta field.
574	* @param string $key The key of the meta field.
575	* @return void
576	*/
577	protected function save_meta_field( $value, $key ) {
578	update_post_meta( $this->campaign_id, $this->get_meta_key( $key ), $value );
579
580	if ( method_exists( $this, 'post_process_' . $key ) ) {
581	call_user_func( array( $this, 'post_process_' . $key ), $value );
582	}
583	}
584
585	/**
586	* Returns a sanitized meta key.
587	*
588	* @since 1.5.9
589	*
590	* @param string $key The key to be sanitized.
591	* @return string
592	*/
593	protected function get_meta_key( $key ) {
594	if ( 'image' == $key ) {
595	return '_thumbnail_id';
596	}
597
598	$sanitized = strpos( $key, '_campaign_' ) === 0 ? $key : '_campaign_' . $key;
599
600	/**
601	* Filter the meta key.
602	*
603	* @since 1.0.0
604	*
605	* @param string $key The meta key.
606	* @param string $original The original passed key.
607	* @param int $campaign_id The campaign ID.
608	*/
609	return apply_filters( 'charitable_campaign_meta_key', $sanitized, $key, $this->campaign_id );
610	}
611
612	/**
613	* Checks whether the original callback function which was hooked for a
614	* particular meta field is still hooked.
615	*
616	* We do this for backwards compatibility reasons. If the function is
617	* still hooked, we do nothing. If it is _not_ hooked, that indicates
618	* that the user used remove_filter() to disable the sanitizer, in
619	* which case we should prevent further sanitization. In this case,
620	* we also fire a notice to let users know that this approach is
621	* deprecated, along with a way to fix it.
622	*
623	* @since 1.5.9
624	*
625	* @param string $key The field key.
626	* @param callback $callback The callback function.
627	* @return boolean
628	*/
629	protected function should_skip_sanitizer_for_key( $key, $callback ) {
630	$tag = 'charitable_sanitize_campaign_meta_campaign_' . $key;
631
632	/* We already used the sanitizer. Remove this in Charitable 1.6/1.7. */
633	if ( did_action( $tag ) ) {
634	return true;
635	}
636
637	/* It is still hooked, we do not want to skip the sanitizer. */
638	if ( has_filter( $tag, $callback ) ) {
639	return false;
640	}
641
642	/**
643	* If we get here, the user has disabled the field's default
644	* sanitizer, so we will skip the sanitizer, while firing a
645	* notice to advise that this method of unhooking the sanitizer
646	* is now deprecated.
647	*/
648	$method = is_array( $callback ) ? implode( '::', $callback ) : $method;
649
650	charitable_get_deprecated()->doing_it_wrong(
651	$tag,
652	sprintf( __( '%s is deprecated as a sanitizer on the %s hook. To prevent sanitization, use add_filter( \'charitable_campaign_processor_disable_sanitizer_%s\', \'__return_true\' ) instead.', 'charitable' ),
653	$method,
654	$tag,
655	$key
656	),
657	'1.5.9'
658	);
659
660	return true;
661	}
662
663	/**
664	* Checks whether an internal sanitizer exists for a particular
665	* field, and whether it has been disabled.
666	*
667	* @since 1.5.9
668	*
669	* @param string $key The field key.
670	* @return boolean
671	*/
672	protected function use_sanitizer( $key ) {
673	/* If there is no sanitizer, return false. */
674	if ( ! method_exists( $this, 'sanitize_' . $key ) ) {
675	return false;
676	}
677
678	/**
679	* Disable the internal sanitizer for a particular key.
680	*
681	* @since 1.5.9
682	*
683	* @return boolean
684	*/
685	return ! apply_filters( 'charitable_campaign_processor_disable_sanitizer_' . $key, false );
686	}
687	}
688
689	endif;
690