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TablePress – Tables in WordPress made easy / 3.0
TablePress – Tables in WordPress made easy v3.0
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tablepress / models / model-table.php

model-table.php in TablePress – Tables in WordPress made easy 3.0, at models/model-table.php

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1 <?php
2 /**
3 * Table Model
4 *
5 * @package TablePress
6 * @subpackage Models
7 * @author Tobias Bäthge
8 * @since 1.0.0
9 */
10
11 // Prohibit direct script loading.
12 defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
13
14 /**
15 * Table Model class
16 *
17 * @package TablePress
18 * @subpackage Models
19 * @author Tobias Bäthge
20 * @since 1.0.0
21 */
22 class TablePress_Table_Model extends TablePress_Model {
23
24 /**
25 * Instance of the Post Type Model.
26 *
27 * @since 1.0.0
28 */
29 protected \TablePress_Post_Model $model_post;
30
31 /**
32 * Name of the Post Meta Field for table options.
33 *
34 * @since 1.0.0
35 */
36 protected string $table_options_field_name = '_tablepress_table_options';
37
38 /**
39 * Name of the Post Meta Field for table visibility.
40 *
41 * @since 1.0.0
42 */
43 protected string $table_visibility_field_name = '_tablepress_table_visibility';
44
45 /**
46 * Default set of tables.
47 *
48 * @since 1.0.0
49 * @var array{last_id: int, table_post: array<string, int>} {
50 * @type int $last_id Last table ID that was given to a new table.
51 * @type array<string, int> $table_post Connections between table ID and post ID (key: table ID, value: post ID).
52 * }
53 */
54 protected array $default_tables = array(
55 'last_id' => 0,
56 'table_post' => array(),
57 );
58
59 /**
60 * Instance of WP_Option class for the list of tables.
61 *
62 * @since 1.0.0
63 */
64 protected \TablePress_WP_Option $tables;
65
66 /**
67 * Init the Table model by instantiating a Post model and loading the list of tables option.
68 *
69 * @since 1.0.0
70 */
71 public function __construct() {
72 parent::__construct();
73 $this->model_post = TablePress::load_model( 'post' );
74
75 $params = array(
76 'option_name' => 'tablepress_tables',
77 'default_value' => $this->default_tables,
78 );
79 $this->tables = TablePress::load_class( 'TablePress_WP_Option', 'class-wp_option.php', 'classes', $params );
80 }
81
82 /**
83 * Get the tables option, which holds the connection between table ID and post ID.
84 *
85 * @since 1.0.0
86 *
87 * @return mixed[] Current set of tables.
88 */
89 public function _debug_get_tables(): array {
90 return $this->tables->get();
91 }
92
93 /**
94 * Update the tables option, which holds the connection between table ID and post ID.
95 *
96 * @since 1.0.0
97 *
98 * @param mixed[] $tables New set of tables.
99 */
100 public function _debug_update_tables( array $tables ): void {
101 $this->tables->update( $tables );
102 }
103
104 /**
105 * Convert a table to a post, which can be stored in the database.
106 *
107 * @since 1.0.0
108 *
109 * @param array<string, mixed> $table Table.
110 * @param int $post_id Post ID of an existing table, or -1 for a new table.
111 * @return array<string, mixed> Post.
112 */
113 protected function _table_to_post( array $table, int $post_id ): array {
114 // Sanitize each cell, table name, and table description, if the user is not allowed to work with unfiltered HTML.
115 if ( ! current_user_can( 'unfiltered_html' ) ) {
116 $table = $this->sanitize( $table );
117 }
118
119 // New posts have a post ID of false in WordPress.
120 if ( -1 === $post_id ) {
121 $post_id = false;
122 }
123
124 $post = array(
125 'ID' => $post_id,
126 'post_title' => $table['name'],
127 'post_excerpt' => $table['description'],
128 'post_content' => wp_json_encode( $table['data'], TABLEPRESS_JSON_OPTIONS ),
129 'post_mime_type' => 'application/json',
130 );
131
132 return $post;
133 }
134
135 /**
136 * Convert a post (from the database) to a table.
137 *
138 * @since 1.0.0
139 *
140 * @param WP_Post $post Post.
141 * @param string $table_id Table ID.
142 * @param bool $load_data Whether the table data shall be loaded.
143 * @return array<string, mixed> Table.
144 */
145 protected function _post_to_table( WP_Post $post, string $table_id, bool $load_data ): array {
146 $table = array(
147 'id' => $table_id,
148 'name' => $post->post_title,
149 'description' => $post->post_excerpt,
150 'author' => $post->post_author,
151 // 'created' => $post->post_date,
152 'last_modified' => $post->post_modified,
153 );
154
155 if ( ! $load_data ) {
156 return $table;
157 }
158
159 $table['data'] = json_decode( $post->post_content, true );
160
161 // Check if JSON could be decoded.
162 if ( is_null( $table['data'] ) ) {
163 $table['data'] = array( array( "The internal data of table {$table_id} is corrupted." ) ); // Set a single cell as the cell content.
164 $table['is_corrupted'] = true;
165 $table['json_error'] = json_last_error_msg();
166 $table['description'] = "[ERROR] TABLE IS CORRUPTED (JSON error: {$table['json_error']})! DO NOT EDIT THIS TABLE NOW!\nInstead, please see https://tablepress.org/faq/corrupted-tables/ for instructions.\n-\n{$table['description']}";
167 } else {
168 // Specifically cast to an array again.
169 $table['data'] = (array) $table['data'];
170 }
171
172 return $table;
173 }
174
175 /**
176 * Load a table.
177 *
178 * @since 1.0.0
179 *
180 * @param string $table_id Table ID.
181 * @param bool $load_data Whether the table data shall be loaded.
182 * @param bool $load_options_visibility Whether the table options and table visibility shall be loaded.
183 * @return array<string, mixed>|WP_Error Table as an array on success, WP_Error on error.
184 */
185 public function load( string $table_id, bool $load_data = true, bool $load_options_visibility = true ) /* : array|WP_Error */ {
186 if ( empty( $table_id ) ) {
187 return new WP_Error( 'table_load_empty_table_id' );
188 }
189
190 $post_id = $this->_get_post_id( $table_id );
191 if ( false === $post_id ) {
192 return new WP_Error( 'table_load_no_post_id_for_table_id', '', $table_id );
193 }
194
195 $post = $this->model_post->get( $post_id );
196 if ( false === $post ) {
197 return new WP_Error( 'table_load_no_post_for_post_id', '', $post_id );
198 }
199
200 $table = $this->_post_to_table( $post, $table_id, $load_data );
201 if ( $load_options_visibility ) {
202 $table['options'] = $this->_get_table_options( $post_id );
203 $table['visibility'] = $this->_get_table_visibility( $post_id );
204 }
205 return $table;
206 }
207
208 /**
209 * Load the IDs of all tables that can be loaded from the database.
210 *
211 * @since 1.0.0
212 *
213 * @param bool $prime_meta_cache Optional. Whether the prime the post meta cache when loading the posts.
214 * @param bool $run_filter Optional. Whether to run a filter on the list of table IDs.
215 * @return string[] Array of table IDs.
216 */
217 public function load_all( bool $prime_meta_cache = true, bool $run_filter = true ): array {
218 $table_post = $this->tables->get( 'table_post' );
219 if ( empty( $table_post ) ) {
220 return array();
221 }
222
223 // Load all table posts with one query, to prime the cache.
224 $this->model_post->load_posts( array_values( $table_post ), $prime_meta_cache );
225
226 // This loop now uses the WP cache.
227 $table_ids = array();
228 foreach ( $table_post as $table_id => $post_id ) {
229 $table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
230
231 // Load table without data and options to save memory.
232 $table = $this->load( $table_id, false, false );
233
234 // Skip tables that could not be loaded properly.
235 if ( ! is_wp_error( $table ) ) {
236 $table_ids[] = $table_id;
237 }
238 }
239
240 if ( $run_filter ) {
241 /**
242 * Filters all table IDs that are loaded.
243 *
244 * @since 1.4.0
245 *
246 * @param string[] $table_ids The table IDs that are loaded.
247 */
248 $table_ids = apply_filters( 'tablepress_load_all_tables', $table_ids );
249 }
250
251 return $table_ids;
252 }
253
254 /**
255 * Sanitize the table to remove undesired HTML code using KSES.
256 *
257 * @since 1.8.0
258 *
259 * @param array<string, mixed> $table Table.
260 * @return array<string, mixed> Sanitized table.
261 */
262 public function sanitize( array $table ): array {
263 // Sanitize the table name and description.
264 $fields = array( 'name', 'description' );
265 foreach ( $fields as $field ) {
266 $table[ $field ] = wp_kses_post( $table[ $field ] );
267 }
268
269 // Sanitize each cell.
270 foreach ( $table['data'] as $row_idx => $row ) {
271 foreach ( $row as $column_idx => $cell_content ) {
272 $table['data'][ $row_idx ][ $column_idx ] = wp_kses_post( $cell_content ); // Equals wp_filter_post_kses(), but without the unnecessary slashes handling.
273 }
274 }
275
276 return $table;
277 }
278
279 /**
280 * Save a table.
281 *
282 * @since 1.0.0
283 *
284 * @param array<string, mixed> $table Table (needs to have $table['id']!).
285 * @return string|WP_Error WP_Error on error, string table ID on success.
286 */
287 public function save( array $table ) /* : string|WP_Error */ {
288 if ( empty( $table['id'] ) ) {
289 return new WP_Error( 'table_save_empty_table_id' );
290 }
291
292 $post_id = $this->_get_post_id( $table['id'] );
293 if ( false === $post_id ) {
294 return new WP_Error( 'table_save_no_post_id_for_table_id', '', $table['id'] );
295 }
296
297 $post = $this->_table_to_post( $table, $post_id );
298 $new_post_id = $this->model_post->update( $post );
299 if ( is_wp_error( $new_post_id ) ) {
300 $error = new WP_Error( 'table_save_post_update', '', $post_id );
301 $error->merge_from( $new_post_id );
302 return $error;
303 }
304 if ( $post_id !== $new_post_id ) {
305 return new WP_Error( 'table_save_new_post_id_does_not_match', '', $new_post_id );
306 }
307
308 $options_saved = $this->_update_table_options( $new_post_id, $table['options'] );
309 if ( ! $options_saved ) {
310 return new WP_Error( 'table_save_update_table_options_failed', '', $new_post_id );
311 }
312
313 $visibility_saved = $this->_update_table_visibility( $new_post_id, $table['visibility'] );
314 if ( ! $visibility_saved ) {
315 return new WP_Error( 'table_save_update_table_visibility_failed', '', $new_post_id );
316 }
317
318 // At this point, post was successfully added.
319
320 // Invalidate table output caches that belong to this table.
321 $this->invalidate_table_output_cache( $table['id'] );
322 // Flush caching plugins' caches.
323 $this->_flush_caching_plugins_caches();
324
325 /**
326 * Fires after a table has been saved.
327 *
328 * @since 1.5.0
329 *
330 * @param string $table_id ID of the added table.
331 */
332 do_action( 'tablepress_event_saved_table', $table['id'] );
333
334 return $table['id'];
335 }
336
337 /**
338 * Add a new table.
339 *
340 * @since 1.0.0
341 *
342 * @param array<string, mixed> $table Table ($table['id'] is not necessary).
343 * @param string $copy_or_add Optional. 'copy' if the table is copied, 'add' if it is a new table. Default 'add'.
344 * @return string|WP_Error WP_Error on error, string table ID of the new table on success.
345 */
346 public function add( array $table, string $copy_or_add = 'add' ) /* : string|WP_Error */ {
347 $post_id = -1; // To insert table.
348 $post = $this->_table_to_post( $table, $post_id );
349 $new_post_id = $this->model_post->insert( $post );
350 if ( is_wp_error( $new_post_id ) ) {
351 $error = new WP_Error( 'table_add_post_insert', '' );
352 $error->merge_from( $new_post_id );
353 return $error;
354 }
355
356 $options_saved = $this->_add_table_options( $new_post_id, $table['options'] );
357 if ( ! $options_saved ) {
358 return new WP_Error( 'table_add_update_table_options_failed', '', $new_post_id );
359 }
360
361 $visibility_saved = $this->_add_table_visibility( $new_post_id, $table['visibility'] );
362 if ( ! $visibility_saved ) {
363 return new WP_Error( 'table_add_update_table_visibility_failed', '', $new_post_id );
364 }
365
366 // At this point, post was successfully added, now get an unused table ID.
367 $table_id = $this->_get_new_table_id();
368 $this->_update_post_id( $table_id, $new_post_id );
369
370 if ( 'add' === $copy_or_add ) {
371 /**
372 * Fires after a new table has been added.
373 *
374 * @since 1.1.0
375 *
376 * @param string $table_id ID of the added table.
377 */
378 do_action( 'tablepress_event_added_table', $table_id );
379 }
380
381 return $table_id;
382 }
383
384 /**
385 * Create a copy of a table and add it.
386 *
387 * @since 1.0.0
388 *
389 * @param string $table_id ID of the table to be copied.
390 * @return string|WP_Error WP_Error on error, string table ID of the new table on success.
391 */
392 public function copy( string $table_id ) /* : string|WP_Error */ {
393 $table = $this->load( $table_id, true, true );
394 if ( is_wp_error( $table ) ) {
395 $error = new WP_Error( 'table_copy_table_load', '', $table_id );
396 $error->merge_from( $table );
397 return $error;
398 }
399
400 // Adjust name of copied table.
401 if ( '' === trim( $table['name'] ) ) {
402 $table['name'] = __( '(no name)', 'tablepress' );
403 }
404 $table['name'] = sprintf( __( 'Copy of %s', 'tablepress' ), $table['name'] );
405
406 // Merge this data into an empty table template.
407 $table = $this->prepare_table( $this->get_table_template(), $table, false );
408 if ( is_wp_error( $table ) ) {
409 $error = new WP_Error( 'table_copy_table_prepare', '', $table_id );
410 $error->merge_from( $table );
411 return $error;
412 }
413
414 // Add the copied table.
415 $new_table_id = $this->add( $table, 'copy' );
416 if ( is_wp_error( $new_table_id ) ) {
417 $error = new WP_Error( 'table_copy_table_add', '', $table_id );
418 $error->merge_from( $new_table_id );
419 return $error;
420 }
421
422 /**
423 * Fires after an existing table has been copied.
424 *
425 * @since 1.1.0
426 *
427 * @param string $new_table_id ID of the copy of the table.
428 * @param string $table_id ID of the existing table that is copied.
429 */
430 do_action( 'tablepress_event_copied_table', $new_table_id, $table_id );
431
432 return $new_table_id;
433 }
434
435 /**
436 * Delete a table (and its options).
437 *
438 * @since 1.0.0
439 *
440 * @param string $table_id ID of the table to be deleted.
441 * @return bool|WP_Error WP_Error on error, true on success.
442 */
443 public function delete( string $table_id ) /* : true|WP_Error */ {
444 if ( ! $this->table_exists( $table_id ) ) {
445 return new WP_Error( 'table_delete_table_does_not_exist', '', $table_id );
446 }
447
448 $post_id = $this->_get_post_id( $table_id ); // No ! false check necessary, as this is covered by table_exists() check above.
449
450 // @phpstan-ignore argument.type
451 $deleted = $this->model_post->delete( $post_id ); // Post Meta fields will be deleted automatically by that function.
452 if ( false === $deleted ) {
453 return new WP_Error( 'table_delete_post_could_not_be_deleted', '', $post_id );
454 }
455
456 // If post was deleted successfully, remove the table ID from the list of tables.
457 $this->_remove_post_id( $table_id );
458
459 // Invalidate table output caches that belong to this table.
460 $this->invalidate_table_output_cache( $table_id );
461 // Flush caching plugins' caches.
462 $this->_flush_caching_plugins_caches();
463
464 /**
465 * Fires after a table has been deleted.
466 *
467 * @since 1.1.0
468 *
469 * @param string $table_id ID of the deleted table.
470 */
471 do_action( 'tablepress_event_deleted_table', $table_id );
472
473 return true;
474 }
475
476 /**
477 * Delete all tables.
478 *
479 * @since 1.0.0
480 */
481 public function delete_all(): void {
482 $tables = $this->tables->get();
483 if ( empty( $tables['table_post'] ) ) {
484 return;
485 }
486
487 foreach ( $tables['table_post'] as $table_id => $post_id ) {
488 $table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
489
490 $this->model_post->delete( $post_id ); // Post Meta fields will be deleted automatically by that function.
491 unset( $tables['table_post'][ $table_id ] );
492
493 // Invalidate table output caches that belong to this table.
494 $this->invalidate_table_output_cache( $table_id );
495 }
496
497 $this->tables->update( $tables );
498 // Flush caching plugins' caches.
499 $this->_flush_caching_plugins_caches();
500
501 /**
502 * Fires after all tables have been deleted.
503 *
504 * @since 1.1.0
505 */
506 do_action( 'tablepress_event_deleted_all_tables' );
507 }
508
509 /**
510 * Check if a table ID exists in the list of tables (this does not guarantee that the post with the table data exists!).
511 *
512 * @since 1.0.0
513 *
514 * @param string $table_id Table ID.
515 * @return bool Whether the table ID exists.
516 */
517 public function table_exists( string $table_id ): bool {
518 $table_post = $this->tables->get( 'table_post' );
519 return isset( $table_post[ $table_id ] );
520 }
521
522 /**
523 * Count the number of tables from either just the list, or by also counting the posts in the database.
524 *
525 * @since 1.0.0
526 *
527 * @param bool $single_value Optional. Whether to return just the number of tables from the list, or also count in the database.
528 * @return int|array{list: int, db: int} Number of Tables (if $single_value), or array of Numbers from list/DB (if ! $single_value).
529 */
530 public function count_tables( bool $single_value = true ) /* : int|array */ {
531 $count_list = count( $this->tables->get( 'table_post' ) );
532 if ( $single_value ) {
533 return $count_list;
534 }
535
536 $count_db = $this->model_post->count_posts();
537 return array(
538 'list' => $count_list,
539 'db' => $count_db,
540 );
541 }
542
543 /**
544 * Delete all transients used for output caching of a table (e.g. when the table is updated or deleted).
545 *
546 * @since 1.0.0
547 * @since 1.8.0 Renamed from _invalidate_table_output_cache to invalidate_table_output_cache and made public.
548 *
549 * @param string $table_id Table ID.
550 */
551 public function invalidate_table_output_cache( string $table_id ): void {
552 $caches_list_transient_name = 'tablepress_c_' . md5( $table_id );
553 $caches_list = get_transient( $caches_list_transient_name );
554 if ( false !== $caches_list ) {
555 $caches_list = (array) json_decode( $caches_list, true );
556 foreach ( $caches_list as $cache_transient_name ) {
557 delete_transient( $cache_transient_name );
558 }
559 }
560 delete_transient( $caches_list_transient_name );
561 }
562
563 /**
564 * Flush the caches of common caching plugins.
565 *
566 * @since 1.0.0
567 */
568 public function _flush_caching_plugins_caches(): void {
569 /**
570 * Filters whether the caches of common caching plugins shall be flushed.
571 *
572 * @since 1.0.0
573 *
574 * @param bool $flush Whether caches of caching plugins shall be flushed. Default true.
575 */
576 if ( ! apply_filters( 'tablepress_flush_caching_plugins_caches', true ) ) {
577 return;
578 }
579
580 // Common cache flush callback.
581 $cache_flush_callbacks = array(
582 array( 'Breeze_PurgeCache', 'breeze_cache_flush' ), // Breeze.
583 array( 'comet_cache', 'clear' ), // Comet Cache.
584 'pantheon_wp_clear_edge_all', // Pantheon.
585 'sg_cachepress_purge_cache', // SG Optimizer.
586 array( 'Swift_Performance_Cache', 'clear_all_cache' ), // Swift Performance.
587 'w3tc_pgcache_flush', // W3 Total Cache.
588 array( 'WpeCommon', 'purge_memcached' ), // WP Engine.
589 array( 'WpeCommon', 'clear_maxcdn_cache' ), // WP Engine.
590 array( 'WpeCommon', 'purge_varnish_cache' ), // WP Engine.
591 'wpfc_clear_all_cache', // WP Fastest Cache.
592 'rocket_clean_domain', // WP Rocket.
593 'wp_cache_clear_cache', // WP Super Cache.
594 array( 'zencache', 'clear' ), // Zen Cache.
595 );
596 foreach ( $cache_flush_callbacks as $cache_flush_callback ) {
597 if ( is_callable( $cache_flush_callback ) ) {
598 call_user_func( $cache_flush_callback );
599 }
600 }
601
602 // Common cache flush hooks.
603 $cache_flush_hooks = array(
604 'ce_clear_cache', // Cache Enabler.
605 'cachify_flush_cache', // Cachify.
606 'autoptimize_action_cachepurged', // Hyper Cache.
607 );
608 foreach ( $cache_flush_hooks as $cache_flush_hook ) {
609 do_action( $cache_flush_hook );
610 }
611
612 // Kinsta.
613 if ( isset( $GLOBALS['kinsta_cache'] ) && ! empty( $GLOBALS['kinsta_cache']->kinsta_cache_purge ) && is_callable( array( $GLOBALS['kinsta_cache']->kinsta_cache_purge, 'purge_complete_caches' ) ) ) {
614 $GLOBALS['kinsta_cache']->kinsta_cache_purge->purge_complete_caches(); // @phpstan-ignore method.nonObject
615 }
616 // LiteSpeed Cache.
617 if ( is_callable( array( 'LiteSpeed_Cache_Tags', 'add_purge_tag' ) ) ) {
618 LiteSpeed_Cache_Tags::add_purge_tag( '*' ); // @phpstan-ignore class.notFound
619 }
620 // Pagely.
621 if ( class_exists( 'PagelyCachePurge' ) ) {
622 $_pagely = new PagelyCachePurge();
623 if ( is_callable( array( $_pagely, 'purgeAll' ) ) ) {
624 $_pagely->purgeAll();
625 }
626 }
627 // Pressidum.
628 if ( is_callable( array( 'Ninukis_Plugin', 'get_instance' ) ) ) {
629 $_pressidum = Ninukis_Plugin::get_instance(); // @phpstan-ignore class.notFound
630 if ( is_callable( array( $_pressidum, 'purgeAllCaches' ) ) ) {
631 $_pressidum->purgeAllCaches(); // @phpstan-ignore method.nonObject
632 }
633 }
634 // Savvii.
635 if ( defined( '\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW' ) ) {
636 $_savvii = new \Savvii\CacheFlusherPlugin(); // @phpstan-ignore class.notFound
637 if ( is_callable( array( $_savvii, 'domainflush' ) ) ) {
638 $_savvii->domainflush(); // @phpstan-ignore class.notFound
639 }
640 }
641 // WP Fastest Cache.
642 if ( isset( $GLOBALS['wp_fastest_cache'] ) && is_callable( array( $GLOBALS['wp_fastest_cache'], 'deleteCache' ) ) ) {
643 $GLOBALS['wp_fastest_cache']->deleteCache( true ); // @phpstan-ignore method.nonObject
644 }
645 // WP-Optimize.
646 if ( function_exists( 'WP_Optimize' ) ) {
647 WP_Optimize()->get_page_cache()->purge();
648 }
649 }
650
651 /**
652 * Get the post ID of a given table ID (if the table ID exists).
653 *
654 * @since 1.0.0
655 *
656 * @param string $table_id Table ID.
657 * @return int|false Post ID on success, false on error.
658 */
659 protected function _get_post_id( string $table_id ) /* : int|false */ {
660 $table_post = $this->tables->get( 'table_post' );
661 if ( ! isset( $table_post[ $table_id ] ) ) {
662 return false;
663 }
664 return $table_post[ $table_id ];
665 }
666
667 /**
668 * Update/Add a post ID for a given table ID, and sort the list of tables by their key in natural sort order.
669 *
670 * @since 1.0.0
671 *
672 * @param string $table_id Table ID.
673 * @param int $post_id Post ID.
674 */
675 protected function _update_post_id( string $table_id, int $post_id ): void {
676 $tables = $this->tables->get();
677 $tables['table_post'][ $table_id ] = $post_id;
678 uksort( $tables['table_post'], 'strnatcasecmp' );
679 $this->tables->update( $tables );
680 }
681
682 /**
683 * Remove a table ID/post ID connection from the list of tables.
684 *
685 * @since 1.0.0
686 *
687 * @param string $table_id Table ID.
688 */
689 protected function _remove_post_id( string $table_id ): void {
690 $tables = $this->tables->get();
691 unset( $tables['table_post'][ $table_id ] );
692 $this->tables->update( $tables );
693 }
694
695 /**
696 * Change the table ID of a table.
697 *
698 * @since 1.0.0
699 *
700 * @param string $old_id Old table ID.
701 * @param string $new_id New table ID.
702 * @return bool|WP_Error True on success, WP_Error on error.
703 */
704 public function change_table_id( string $old_id, string $new_id ) /* : true|WP_Error */ {
705 $post_id = $this->_get_post_id( $old_id );
706 if ( false === $post_id ) {
707 return new WP_Error( 'table_change_id_no_post_id_for_table_id', '', $old_id );
708 }
709
710 // Check new ID for correct format (string from letters, numbers, -, and _ only, except the '0' string).
711 if ( empty( $new_id ) || 0 !== preg_match( '/[^a-zA-Z0-9_-]/', $new_id ) ) {
712 return new WP_Error( 'table_change_id_new_id_is_invalid', '', $new_id );
713 }
714
715 if ( $this->table_exists( $new_id ) ) {
716 return new WP_Error( 'table_change_table_new_id_exists', '', $new_id );
717 }
718
719 $this->_update_post_id( $new_id, $post_id );
720 $this->_remove_post_id( $old_id );
721
722 /**
723 * Fires after the ID of a table has been changed.
724 *
725 * @since 1.1.0
726 *
727 * @param string $new_id New ID of the table.
728 * @param string $old_id Old ID of the table.
729 */
730 do_action( 'tablepress_event_changed_table_id', $new_id, $old_id );
731
732 return true;
733 }
734
735 /**
736 * Get an unused table ID (e.g. for a new table).
737 *
738 * @since 1.0.0
739 *
740 * @return string Unused table ID (e.g. for a new table).
741 */
742 protected function _get_new_table_id(): string {
743 $tables = $this->tables->get();
744 // Need to check new ID candidate in a loop, because a higher ID might already be in use, if a table ID was changed manually.
745 do {
746 ++$tables['last_id'];
747 $last_id_string = (string) $tables['last_id'];
748 } while ( $this->table_exists( $last_id_string ) );
749 $this->tables->update( $tables );
750 return $last_id_string;
751 }
752
753 /**
754 * Get the template for an empty table.
755 *
756 * Important: This scheme is versioned via TablePress::table_scheme_version; changes likely need a version update!
757 *
758 * @since 1.0.0
759 *
760 * @return array<string, mixed> Empty table.
761 */
762 public function get_table_template(): array {
763 // Attention: Array keys have to be lowercase, to make it possible to match them with Shortcode attributes!
764 $table = array(
765 'id' => false,
766 'name' => '',
767 'description' => '',
768 'data' => array( array( '' ) ), // One empty cell.
769 'last_modified' => wp_date( 'Y-m-d H:i:s' ),
770 'author' => get_current_user_id(),
771 'options' => array(
772 'last_editor' => get_current_user_id(),
773 'table_head' => 1,
774 'table_foot' => 0,
775 'alternating_row_colors' => true,
776 'row_hover' => true,
777 'print_name' => false,
778 'print_name_position' => 'above',
779 'print_description' => false,
780 'print_description_position' => 'below',
781 'extra_css_classes' => '',
782 // DataTables JavaScript library.
783 'use_datatables' => true,
784 'datatables_sort' => true,
785 'datatables_filter' => true,
786 'datatables_paginate' => true,
787 'datatables_lengthchange' => true,
788 'datatables_paginate_entries' => 10,
789 'datatables_info' => true,
790 'datatables_scrollx' => false,
791 'datatables_custom_commands' => '',
792 ),
793 'visibility' => array(
794 'rows' => array( 1 ), // One visbile row.
795 'columns' => array( 1 ), // One visible column.
796 ),
797 );
798 /**
799 * Filters the default template/structure of an empty table.
800 *
801 * @since 1.0.0
802 *
803 * @param array<string, mixed> $table Default template/structure of an empty table.
804 */
805 return apply_filters( 'tablepress_table_template', $table );
806 }
807
808 /**
809 * Combine two tables (e.g. an existing one with the updated data, or an empty one with new data).
810 *
811 * Performs consistency checks on data and visibility settings.
812 *
813 * @since 1.0.0
814 *
815 * @param array<string, mixed> $table Table to merge into.
816 * @param array<string, mixed> $new_table Table to merge.
817 * @param bool $table_size_check Optional. Whether to check the number of rows and columns (e.g. not necessary for added or copied tables).
818 * @return array<string, mixed>|WP_Error Merged table on success, WP_Error on error.
819 */
820 public function prepare_table( array $table, array $new_table, bool $table_size_check = true ) /* : array|WP_Error */ {
821 // Table ID must be the same (if there was an ID already).
822 if ( false !== $table['id'] && $table['id'] !== $new_table['id'] ) {
823 return new WP_Error( 'table_prepare_no_id_match', '', $new_table['id'] );
824 }
825
826 // Name, description, and data array need to exist, data must not be empty, the others could be ''.
827 if ( ! isset( $new_table['name'], $new_table['description'] )
828 || empty( $new_table['data'] ) || empty( $new_table['data'][0] ) ) {
829 return new WP_Error( 'table_prepare_name_description_or_data_not_set' );
830 }
831
832 // Visibility needs to exist.
833 if ( ! isset( $new_table['visibility']['rows'], $new_table['visibility']['columns'] ) ) {
834 return new WP_Error( 'table_prepare_visibility_not_set' );
835 }
836 $new_table['visibility']['rows'] = array_map( 'intval', $new_table['visibility']['rows'] );
837 $new_table['visibility']['columns'] = array_map( 'intval', $new_table['visibility']['columns'] );
838
839 // Check dimensions of table data array (not done for newly added, copied, or imported tables).
840 if ( $table_size_check ) {
841 if ( ! isset( $new_table['number']['rows'], $new_table['number']['columns'] ) ) {
842 return new WP_Error( 'table_prepare_size_check_numbers_not_set' );
843 }
844 // Table data needs to be ok, and have the correct number of rows and columns.
845 $new_table['number']['rows'] = (int) $new_table['number']['rows'];
846 $new_table['number']['columns'] = (int) $new_table['number']['columns'];
847 if ( 0 === $new_table['number']['rows']
848 || 0 === $new_table['number']['columns']
849 || count( $new_table['data'] ) !== $new_table['number']['rows']
850 || count( $new_table['data'][0] ) !== $new_table['number']['columns'] ) {
851 return new WP_Error( 'table_prepare_size_check_numbers_dont_match' );
852 }
853 // Visibility also needs to have correct dimensions.
854 if ( count( $new_table['visibility']['rows'] ) !== $new_table['number']['rows']
855 || count( $new_table['visibility']['columns'] ) !== $new_table['number']['columns'] ) {
856 return new WP_Error( 'table_prepare_size_check_visibility_doesnt_match' );
857 }
858 }
859
860 // All checks were successful, replace original values with new ones.
861
862 // $table['id'] is either false (and remains false) or already equal to $new_table['id'].
863 $table['new_id'] = $new_table['new_id'] ?? $table['id'];
864 $table['name'] = $new_table['name'];
865 $table['description'] = $new_table['description'];
866 $table['data'] = $new_table['data'];
867 // Make sure that cells are stored as strings.
868 array_walk_recursive(
869 $table['data'],
870 static function ( /* string|int|float|bool|null */ &$cell_content, int $col_idx ): void {
871 $cell_content = (string) $cell_content;
872 },
873 );
874 // Table Options.
875 if ( isset( $new_table['options'] ) ) { // Options are for example not set for newly added tables.
876 // Specials check for certain options.
877 if ( isset( $new_table['options']['extra_css_classes'] ) ) {
878 $new_table['options']['extra_css_classes'] = explode( ' ', $new_table['options']['extra_css_classes'] );
879 $new_table['options']['extra_css_classes'] = array_map( array( 'TablePress', 'sanitize_css_class' ), $new_table['options']['extra_css_classes'] );
880 $new_table['options']['extra_css_classes'] = array_unique( $new_table['options']['extra_css_classes'] );
881 $new_table['options']['extra_css_classes'] = trim( implode( ' ', $new_table['options']['extra_css_classes'] ) );
882 }
883 if ( isset( $new_table['options']['datatables_paginate_entries'] ) ) {
884 $new_table['options']['datatables_paginate_entries'] = (int) $new_table['options']['datatables_paginate_entries'];
885 if ( $new_table['options']['datatables_paginate_entries'] < 1 ) {
886 $new_table['options']['datatables_paginate_entries'] = 10; // Default value.
887 }
888 }
889
890 // Backward compatibility: Convert boolean or numeric string "table_head" and "table_foot" options to integer.
891 if ( isset( $new_table['options']['table_head'] ) ) {
892 $new_table['options']['table_head'] = absint( $new_table['options']['table_head'] );
893 }
894 if ( isset( $new_table['options']['table_foot'] ) ) {
895 $new_table['options']['table_foot'] = absint( $new_table['options']['table_foot'] );
896 }
897
898 // Merge new options.
899 $default_table = $this->get_table_template();
900 $table['options'] = array_intersect_key( $table['options'], $default_table['options'] );
901 $new_table['options'] = array_intersect_key( $new_table['options'], $default_table['options'] );
902 $table['options'] = array_merge( $table['options'], $new_table['options'] );
903 }
904 // Table Visibility.
905 $table['visibility']['rows'] = $new_table['visibility']['rows'];
906 $table['visibility']['columns'] = $new_table['visibility']['columns'];
907
908 // $table['author'] = get_current_user_id(); // We don't want this, as it would override the original author.
909 // $table['created'] = wp_date( 'Y-m-d H:i:s' ); // We don't want this, as it would override the original datetime.
910 $table['last_modified'] = wp_date( 'Y-m-d H:i:s' );
911 $table['options']['last_editor'] = get_current_user_id();
912
913 // Convert CSS classes and some DataTables 1.x parameters to the DataTables 2 variants.
914 if ( '' !== $table['options']['datatables_custom_commands'] ) {
915 $table['options']['datatables_custom_commands'] = TablePress::convert_datatables_api_data( $table['options']['datatables_custom_commands'] );
916 }
917
918 return $table;
919 }
920
921 /**
922 * Save the table options of a table (in a post meta field of the table's post).
923 *
924 * @since 1.0.0
925 *
926 * @param int $post_id Post ID.
927 * @param array<string, mixed> $options Table options.
928 * @return bool True on success, false on error.
929 */
930 protected function _add_table_options( int $post_id, array $options ): bool {
931 $options = wp_json_encode( $options, TABLEPRESS_JSON_OPTIONS );
932 return $this->model_post->add_meta_field( $post_id, $this->table_options_field_name, $options ); // @phpstan-ignore argument.type
933 }
934
935 /**
936 * Update the table options of a table (in a post meta field in the table's post).
937 *
938 * @since 1.0.0
939 *
940 * @param int $post_id Post ID.
941 * @param array<string, mixed> $options Table options.
942 * @return bool True on success, false on error.
943 */
944 protected function _update_table_options( int $post_id, array $options ): bool {
945 $options = wp_json_encode( $options, TABLEPRESS_JSON_OPTIONS );
946 return $this->model_post->update_meta_field( $post_id, $this->table_options_field_name, $options ); // @phpstan-ignore argument.type
947 }
948
949 /**
950 * Get the table options of a table (from a post meta field of the table's post).
951 *
952 * @since 1.0.0
953 *
954 * @param int $post_id Post ID.
955 * @return array<string, mixed> Table options on success, empty array on error.
956 */
957 protected function _get_table_options( int $post_id ): array {
958 $options = $this->model_post->get_meta_field( $post_id, $this->table_options_field_name );
959 if ( empty( $options ) ) {
960 return array();
961 }
962 $options = (array) json_decode( $options, true );
963
964 // Backward compatibility: Convert boolean "table_head" and "table_foot" options to integer.
965 $options['table_head'] = absint( $options['table_head'] );
966 $options['table_foot'] = absint( $options['table_foot'] );
967
968 return $options;
969 }
970
971 /**
972 * Save the table visibility of a table (in a post meta field of the table's post).
973 *
974 * @since 1.0.0
975 *
976 * @param int $post_id Post ID.
977 * @param array{rows: int[], columns: int[]} $visibility Table visibility.
978 * @return bool True on success, false on error.
979 */
980 protected function _add_table_visibility( int $post_id, array $visibility ): bool {
981 $visibility = wp_json_encode( $visibility, TABLEPRESS_JSON_OPTIONS );
982 return $this->model_post->add_meta_field( $post_id, $this->table_visibility_field_name, $visibility ); // @phpstan-ignore argument.type
983 }
984
985 /**
986 * Update the table visibility of a table (in a post meta field in the table's post).
987 *
988 * @since 1.0.0
989 *
990 * @param int $post_id Post ID.
991 * @param array{rows: int[], columns: int[]} $visibility Table visibility.
992 * @return bool True on success, false on error.
993 */
994 protected function _update_table_visibility( int $post_id, array $visibility ): bool {
995 $visibility = wp_json_encode( $visibility, TABLEPRESS_JSON_OPTIONS );
996 return $this->model_post->update_meta_field( $post_id, $this->table_visibility_field_name, $visibility ); // @phpstan-ignore argument.type
997 }
998
999 /**
1000 * Get the table visibility of a table (from a post meta field of the table's post).
1001 *
1002 * @since 1.0.0
1003 *
1004 * @param int $post_id Post ID.
1005 * @return array{rows: int[], columns: int[]} Table visibility on success, empty array on error.
1006 */
1007 protected function _get_table_visibility( int $post_id ): array {
1008 $visibility = $this->model_post->get_meta_field( $post_id, $this->table_visibility_field_name );
1009 if ( empty( $visibility ) ) {
1010 return array(
1011 'rows' => array(),
1012 'columns' => array(),
1013 );
1014 }
1015 return json_decode( $visibility, true );
1016 }
1017
1018 /**
1019 * Merge existing Table Options with default Table Options,
1020 * remove (no longer) existing options, after a table scheme change,
1021 * for all tables.
1022 *
1023 * @since 1.0.0
1024 * @since 2.0.0 Add optional $remove_old_options parameter.
1025 *
1026 * @param bool $remove_old_options Optional. Whether old table options should be removed from the database. Default true.
1027 */
1028 public function merge_table_options_defaults( bool $remove_old_options = true ): void {
1029 $table_post = $this->tables->get( 'table_post' );
1030 if ( empty( $table_post ) ) {
1031 return;
1032 }
1033
1034 // Prime the meta cache with the table options of all tables.
1035 update_meta_cache( 'post', array_values( $table_post ) );
1036
1037 // Get default Table with default Table Options.
1038 $default_table = $this->get_table_template();
1039
1040 // Go through all tables (this loop now uses the WP cache).
1041 foreach ( $table_post as $post_id ) {
1042 $table_options = $this->_get_table_options( $post_id );
1043
1044 /**
1045 * Filters the Table Options before they are merged with the default Table Options.
1046 *
1047 * @since 3.0.0
1048 *
1049 * @param array<string, mixed> $table_options Table Options.
1050 * @param array<string, mixed> $default_table_options Default Table Options.
1051 * @param bool $remove_old_options Whether old table options should be removed from the database.
1052 * @param int $post_id Post ID of the table.
1053 */
1054 $table_options = apply_filters( 'tablepress_table_options_before_merge', $table_options, $default_table['options'], $remove_old_options, $post_id );
1055
1056 if ( $remove_old_options ) {
1057 // Remove old (i.e. no longer existing) Table Options.
1058 $table_options = array_intersect_key( $table_options, $default_table['options'] );
1059 }
1060 // Merge current into new Table Options.
1061 $table_options = array_merge( $default_table['options'], $table_options );
1062 $this->_update_table_options( $post_id, $table_options );
1063 }
1064 }
1065
1066 /**
1067 * Updates all tables' "Custom Commands" to use DataTables 2 variants instead of old DataTables 1.x CSS classes and parameters
1068 *
1069 * @since 3.0.0
1070 */
1071 public function update_custom_commands_datatables_tp30(): void {
1072 $table_post = $this->tables->get( 'table_post' );
1073 if ( empty( $table_post ) ) {
1074 return;
1075 }
1076
1077 // Prime the meta cache with the table options of all tables.
1078 update_meta_cache( 'post', array_values( $table_post ) );
1079
1080 foreach ( $table_post as $table_id => $post_id ) {
1081 $table_options = $this->_get_table_options( $post_id );
1082
1083 // Nothing to do if there are no "Custom Commands".
1084 if ( '' === $table_options['datatables_custom_commands'] ) {
1085 continue;
1086 }
1087 // Run search/replace.
1088 $old_custom_commands = $table_options['datatables_custom_commands'];
1089 $table_options['datatables_custom_commands'] = TablePress::convert_datatables_api_data( $table_options['datatables_custom_commands'] );
1090 // No need to save (which runs a DB query) if nothing was replaced in the "Custom Commands".
1091 if ( $old_custom_commands === $table_options['datatables_custom_commands'] ) {
1092 continue;
1093 }
1094
1095 $this->_update_table_options( $post_id, $table_options );
1096 }
1097 }
1098
1099 /**
1100 * Invalidate all table output caches, e.g. after a plugin update.
1101 *
1102 * @since 1.0.0
1103 */
1104 public function invalidate_table_output_caches(): void {
1105 $table_post = $this->tables->get( 'table_post' );
1106 if ( empty( $table_post ) ) {
1107 return;
1108 }
1109
1110 foreach ( $table_post as $table_id => $post_id ) {
1111 $table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
1112 $this->invalidate_table_output_cache( $table_id );
1113 }
1114 }
1115
1116 /**
1117 * Add mime type field to existing posts with the TablePress Custom Post Type,
1118 * so that other plugins know that they are not dealing with plain text.
1119 *
1120 * @since 1.5.0
1121 *
1122 * @global wpdb $wpdb WordPress database abstraction object.
1123 */
1124 public function add_mime_type_to_posts(): void {
1125 global $wpdb;
1126 $wpdb->update( $wpdb->posts, array( 'post_mime_type' => 'application/json' ), array( 'post_type' => $this->model_post->get_post_type() ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
1127 }
1128
1129 /**
1130 * Add a table ID for a post (table) that was imported through the WP WXR importer to the table ID to post ID map.
1131 *
1132 * @since 1.5.0
1133 *
1134 * @param int|WP_Error $post_id Post ID of the imported post on success. 0 or WP_Error on failure.
1135 * @param int $original_post_id Original post ID that the post had on the site where it was exported from.
1136 * @param array<string, mixed> $postdata Post data that was imported into the database.
1137 * @param array<string, mixed> $post Original post data as it was exported.
1138 */
1139 public function add_table_id_on_wp_import( /* int|WP_Error */ $post_id, int $original_post_id, array $postdata, array $post ): void {
1140 // Bail if the post could not be imported or if the post is not a TablePress table.
1141 if ( is_wp_error( $post_id ) || $this->model_post->get_post_type() !== $postdata['post_type'] ) {
1142 return;
1143 }
1144
1145 // Extract the table IDs from the `_tablepress_export_table_id` post meta field.
1146 $table_ids = array();
1147 if ( isset( $post['postmeta'] ) && is_array( $post['postmeta'] ) ) {
1148 foreach ( $post['postmeta'] as $postmeta ) {
1149 if ( '_tablepress_export_table_id' === $postmeta['key'] ) {
1150 $table_ids = $postmeta['value'];
1151 $table_ids = explode( ',', $table_ids );
1152 break;
1153 }
1154 }
1155 }
1156
1157 // Save the post ID for each of the table IDs.
1158 $post_id_saved = false;
1159 foreach ( $table_ids as $table_id ) {
1160 $table_id = (string) preg_replace( '/[^a-zA-Z0-9_-]/', '', $table_id );
1161 if ( '' === $table_id || $this->table_exists( $table_id ) ) {
1162 continue;
1163 }
1164 $this->_update_post_id( $table_id, $post_id );
1165 $post_id_saved = true;
1166 }
1167
1168 // Save the post ID for a new table ID if it could not be saved for any of the imported table IDs.
1169 if ( ! $post_id_saved ) {
1170 $table_id = $this->_get_new_table_id();
1171 $this->_update_post_id( $table_id, $post_id );
1172 }
1173 }
1174
1175 /**
1176 * Remove the `_tablepress_export_table_id` post meta field from the fields that are imported during a WP WXR import.
1177 *
1178 * @since 1.5.0
1179 *
1180 * @param array<string, mixed> $postmeta Post meta fields for the post.
1181 * @param int $post_id Post ID.
1182 * @param array<string, mixed> $post Post.
1183 * @return array<string, mixed> Modified post meta fields.
1184 */
1185 public function prevent_table_id_post_meta_import_on_wp_import( array $postmeta, int $post_id, array $post ): array {
1186 // Bail if the post is not a TablePress table.
1187 if ( $this->model_post->get_post_type() !== $post['post_type'] ) {
1188 return $postmeta;
1189 }
1190
1191 // Remove the `_tablepress_export_table_id` post meta field from the post meta fields.
1192 foreach ( $postmeta as $index => $meta ) {
1193 if ( '_tablepress_export_table_id' === $meta['key'] ) {
1194 unset( $postmeta[ $index ] );
1195 }
1196 }
1197
1198 return $postmeta;
1199 }
1200
1201 /**
1202 * Add the table IDs for an exported post (table) to the WP WXR export file.
1203 *
1204 * The table IDs for a table are exported in a faked post meta field.
1205 * As there's no action for adding extra data to the WXR export file, we hijack the `wxr_export_skip_postmeta` filter hook.
1206 *
1207 * @since 1.5.0
1208 *
1209 * @param bool $skip Whether to skip the current post meta. Default false.
1210 * @param string $meta_key Current meta key.
1211 * @param stdClass $meta Current meta object.
1212 * @return bool Whether to skip the current post meta (unchanged $skip parameter).
1213 */
1214 public function add_table_id_to_wp_export( bool $skip, string $meta_key, stdClass $meta ): bool {
1215 // Bail if the exporter doesn't process a TablePress table right now.
1216 if ( $this->table_options_field_name !== $meta_key ) {
1217 return $skip;
1218 }
1219
1220 // Find all table IDs that map to the post ID of the table that is currently being exported.
1221 $table_post = $this->tables->get( 'table_post' );
1222 $table_ids = array_keys( $table_post, (int) $meta->post_id, true );
1223
1224 // Bail if no table IDs are mapped to this post ID.
1225 if ( empty( $table_ids ) ) {
1226 return $skip;
1227 }
1228
1229 // Pretend that there is a `_tablepress_export_table_id` post meta field with the list of table IDs.
1230 $key = '_tablepress_export_table_id';
1231 $value = wxr_cdata( implode( ',', $table_ids ) ); // @phpstan-ignore function.notFound
1232
1233 // Hijack the filter and print extra XML code for our faked post meta field.
1234 // phpcs:disable WordPress.Security.EscapeOutput.HeredocOutputNotEscaped
1235 echo <<<WXR
1236 <wp:postmeta>
1237 <wp:meta_key>{$key}</wp:meta_key>
1238 <wp:meta_value>{$value}</wp:meta_value>
1239 </wp:postmeta>\n
1240 WXR;
1241 // phpcs:enable
1242
1243 return $skip;
1244 }
1245
1246 /**
1247 * Delete the WP_Option of the model.
1248 *
1249 * @since 1.0.0
1250 */
1251 public function destroy(): void {
1252 $this->tables->delete();
1253 }
1254
1255 } // class TablePress_Table_Model
1256