PluginProbe
Polylang / 2.3.4
Polylang v2.3.4
3.8.9 3.8.8 3.8.7 3.8.6 3.8.5 3.8.4 3.8.3 2.7 2.7.0.1 2.7.1 2.7.2 2.7.3 2.7.4 2.8 2.8.1 2.8.2 2.8.3 2.8.4 2.9 2.9.1 2.9.2 3.0 3.0.1 3.0.2 3.0.3 All 233 releases
polylang / admin / admin-model.php

admin-model.php in Polylang 2.3.4, at admin/admin-model.php

564 lines 19.1 KB
No matching file
Up and down to move Enter to open Esc to close
Raw Download Zip
1 <?php
2
3 /**
4 * Extends the PLL_Model class with methods needed only in Polylang settings pages
5 *
6 * @since 1.2
7 */
8 class PLL_Admin_Model extends PLL_Model {
9
10 /**
11 * Adds a new language
12 * Creates a default category for this language
13 *
14 * List of arguments that $args must contain:
15 * name -> language name ( used only for display )
16 * slug -> language code ( ideally 2-letters ISO 639-1 language code )
17 * locale -> WordPress locale. If something wrong is used for the locale, the .mo files will not be loaded...
18 * rtl -> 1 if rtl language, 0 otherwise
19 * term_group -> language order when displayed
20 *
21 * Optional arguments that $args can contain:
22 * no_default_cat -> if set, no default category will be created for this language
23 * flag -> country code, see flags.php
24 *
25 * @since 1.2
26 *
27 * @param array $args
28 * @return bool true if success / false if failed
29 */
30 public function add_language( $args ) {
31 if ( ! $this->validate_lang( $args ) ) {
32 return false;
33 }
34
35 // First the language taxonomy
36 $description = serialize( array( 'locale' => $args['locale'], 'rtl' => (int) $args['rtl'], 'flag_code' => empty( $args['flag'] ) ? '' : $args['flag'] ) );
37 $r = wp_insert_term( $args['name'], 'language', array( 'slug' => $args['slug'], 'description' => $description ) );
38 if ( is_wp_error( $r ) ) {
39 // Avoid an ugly fatal error if something went wrong ( reported once in the forum )
40 add_settings_error( 'general', 'pll_add_language', __( 'Impossible to add the language.', 'polylang' ) );
41 return false;
42 }
43 wp_update_term( (int) $r['term_id'], 'language', array( 'term_group' => (int) $args['term_group'] ) ); // can't set the term group directly in wp_insert_term
44
45 // The term_language taxonomy
46 // Don't want shared terms so use a different slug
47 wp_insert_term( $args['name'], 'term_language', array( 'slug' => 'pll_' . $args['slug'] ) );
48
49 $this->clean_languages_cache(); // Update the languages list now !
50
51 if ( ! isset( $this->options['default_lang'] ) ) {
52 // If this is the first language created, set it as default language
53 $this->options['default_lang'] = $args['slug'];
54 update_option( 'polylang', $this->options );
55
56 // And assign default language to default category
57 $this->term->set_language( (int) get_option( 'default_category' ), (int) $r['term_id'] );
58 } elseif ( empty( $args['no_default_cat'] ) ) {
59 $this->create_default_category( $args['slug'] );
60 }
61
62 // Init a mo_id for this language
63 $mo = new PLL_MO();
64 $mo->export_to_db( $this->get_language( $args['slug'] ) );
65
66 /**
67 * Fires when a language is added
68 *
69 * @since 1.9
70 *
71 * @param array $args arguments used to create the language
72 */
73 do_action( 'pll_add_language', $args );
74
75 $this->clean_languages_cache(); // Again to set add mo_id in the cached languages list
76 flush_rewrite_rules(); // Refresh rewrite rules
77
78 add_settings_error( 'general', 'pll_languages_created', __( 'Language added.', 'polylang' ), 'updated' );
79 return true;
80 }
81
82 /**
83 * Delete a language
84 *
85 * @since 1.2
86 *
87 * @param int $lang_id language term_id
88 */
89 public function delete_language( $lang_id ) {
90 $lang = $this->get_language( (int) $lang_id );
91
92 if ( empty( $lang ) ) {
93 return;
94 }
95
96 // Oops ! we are deleting the default language...
97 // Need to do this before loosing the information for default category translations
98 if ( $this->options['default_lang'] == $lang->slug ) {
99 $slugs = $this->get_languages_list( array( 'fields' => 'slug' ) );
100 $slugs = array_diff( $slugs, array( $lang->slug ) );
101
102 if ( ! empty( $slugs ) ) {
103 $this->update_default_lang( reset( $slugs ) ); // Arbitrary choice...
104 } else {
105 unset( $this->options['default_lang'] );
106 }
107 }
108
109 // Delete the translations
110 $this->update_translations( $lang->slug );
111
112 // Delete language option in widgets
113 foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) {
114 if ( ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) {
115 $obj = $widget['callback'][0];
116 $number = $widget['params'][0]['number'];
117 if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) {
118 $settings = $obj->get_settings();
119 if ( isset( $settings[ $number ]['pll_lang'] ) && $settings[ $number ]['pll_lang'] == $lang->slug ) {
120 unset( $settings[ $number ]['pll_lang'] );
121 $obj->save_settings( $settings );
122 }
123 }
124 }
125 }
126
127 // Delete menus locations
128 if ( ! empty( $this->options['nav_menus'] ) ) {
129 foreach ( $this->options['nav_menus'] as $theme => $locations ) {
130 foreach ( $locations as $location => $languages ) {
131 unset( $this->options['nav_menus'][ $theme ][ $location ][ $lang->slug ] );
132 }
133 }
134 }
135
136 // Delete users options
137 foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) {
138 delete_user_meta( $user_id, 'pll_filter_content', $lang->slug );
139 delete_user_meta( $user_id, 'description_' . $lang->slug );
140 }
141
142 // Delete the string translations
143 $post = wpcom_vip_get_page_by_title( 'polylang_mo_' . $lang->term_id, OBJECT, 'polylang_mo' );
144 if ( ! empty( $post ) ) {
145 wp_delete_post( $post->ID );
146 }
147
148 // Delete domain
149 unset( $this->options['domains'][ $lang->slug ] );
150
151 // Delete the language itself
152 wp_delete_term( $lang->term_id, 'language' );
153 wp_delete_term( $lang->tl_term_id, 'term_language' );
154
155 // Update languages list
156 $this->clean_languages_cache();
157
158 update_option( 'polylang', $this->options );
159 flush_rewrite_rules(); // refresh rewrite rules
160 add_settings_error( 'general', 'pll_languages_deleted', __( 'Language deleted.', 'polylang' ), 'updated' );
161 }
162
163 /**
164 * Update language properties
165 *
166 * List of arguments that $args must contain:
167 * lang_id -> term_id of the language to modify
168 * name -> language name ( used only for display )
169 * slug -> language code ( ideally 2-letters ISO 639-1 language code
170 * locale -> WordPress locale. If something wrong is used for the locale, the .mo files will not be loaded...
171 * rtl -> 1 if rtl language, 0 otherwise
172 * term_group -> language order when displayed
173 *
174 * Optional arguments that $args can contain:
175 * flag -> country code, see flags.php
176 *
177 * @since 1.2
178 *
179 * @param array $args
180 * @return bool true if success / false if failed
181 */
182 public function update_language( $args ) {
183 $lang = $this->get_language( (int) $args['lang_id'] );
184 if ( ! $this->validate_lang( $args, $lang ) ) {
185 return false;
186 }
187
188 // Update links to this language in posts and terms in case the slug has been modified
189 $slug = $args['slug'];
190 $old_slug = $lang->slug;
191
192 if ( $old_slug != $slug ) {
193 // Update the language slug in translations
194 $this->update_translations( $old_slug, $slug );
195
196 // Update language option in widgets
197 foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) {
198 if ( ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) {
199 $obj = $widget['callback'][0];
200 $number = $widget['params'][0]['number'];
201 if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) {
202 $settings = $obj->get_settings();
203 if ( isset( $settings[ $number ]['pll_lang'] ) && $settings[ $number ]['pll_lang'] == $old_slug ) {
204 $settings[ $number ]['pll_lang'] = $slug;
205 $obj->save_settings( $settings );
206 }
207 }
208 }
209 }
210
211 // Update menus locations
212 if ( ! empty( $this->options['nav_menus'] ) ) {
213 foreach ( $this->options['nav_menus'] as $theme => $locations ) {
214 foreach ( $locations as $location => $languages ) {
215 if ( ! empty( $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ] ) ) {
216 $this->options['nav_menus'][ $theme ][ $location ][ $slug ] = $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ];
217 unset( $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ] );
218 }
219 }
220 }
221 }
222
223 // Update domains
224 if ( ! empty( $this->options['domains'][ $old_slug ] ) ) {
225 $this->options['domains'][ $slug ] = $this->options['domains'][ $old_slug ];
226 unset( $this->options['domains'][ $old_slug ] );
227 }
228
229 // Update the default language option if necessary
230 if ( $this->options['default_lang'] == $old_slug ) {
231 $this->options['default_lang'] = $slug;
232 }
233 }
234
235 update_option( 'polylang', $this->options );
236
237 // And finally update the language itself
238 $description = serialize( array( 'locale' => $args['locale'], 'rtl' => (int) $args['rtl'], 'flag_code' => empty( $args['flag'] ) ? '' : $args['flag'] ) );
239 wp_update_term( (int) $lang->term_id, 'language', array( 'slug' => $slug, 'name' => $args['name'], 'description' => $description, 'term_group' => (int) $args['term_group'] ) );
240 wp_update_term( (int) $lang->tl_term_id, 'term_language', array( 'slug' => 'pll_' . $slug, 'name' => $args['name'] ) );
241
242 /**
243 * Fires when a language is added
244 *
245 * @since 1.9
246 *
247 * @param array $args arguments used to modify the language
248 */
249 do_action( 'pll_update_language', $args );
250
251 $this->clean_languages_cache();
252 flush_rewrite_rules(); // Refresh rewrite rules
253 add_settings_error( 'general', 'pll_languages_updated', __( 'Language updated.', 'polylang' ), 'updated' );
254 return true;
255 }
256
257 /**
258 * Validates data entered when creating or updating a language
259 * @see PLL_Admin_Model::add_language
260 *
261 * @since 0.4
262 *
263 * @param array $args
264 * @param object $lang optional the language currently updated, the language is created if not set
265 * @return bool true if success / false if failed
266 */
267 protected function validate_lang( $args, $lang = null ) {
268 // Validate locale with the same pattern as WP 4.3. See #28303
269 if ( ! preg_match( '#^[a-z]{2,3}(?:_[A-Z]{2})?(?:_[a-z0-9]+)?$#', $args['locale'], $matches ) ) {
270 add_settings_error( 'general', 'pll_invalid_locale', __( 'Enter a valid WordPress locale', 'polylang' ) );
271 }
272
273 // Validate slug characters
274 if ( ! preg_match( '#^[a-z_-]+$#', $args['slug'] ) ) {
275 add_settings_error( 'general', 'pll_invalid_slug', __( 'The language code contains invalid characters', 'polylang' ) );
276 }
277
278 // Validate slug is unique
279 foreach ( $this->get_languages_list() as $language ) {
280 if ( $language->slug === $args['slug'] && ( null === $lang || ( isset( $lang ) && $lang->term_id != $language->term_id ) ) ) {
281 add_settings_error( 'general', 'pll_non_unique_slug', __( 'The language code must be unique', 'polylang' ) );
282 }
283 }
284
285 // Validate name
286 // No need to sanitize it as wp_insert_term will do it for us
287 if ( empty( $args['name'] ) ) {
288 add_settings_error( 'general', 'pll_invalid_name', __( 'The language must have a name', 'polylang' ) );
289 }
290
291 // Validate flag
292 if ( ! empty( $args['flag'] ) && ! file_exists( POLYLANG_DIR . '/flags/' . $args['flag'] . '.png' ) ) {
293 add_settings_error( 'general', 'pll_invalid_flag', __( 'The flag does not exist', 'polylang' ) );
294 }
295
296 return get_settings_errors() ? false : true;
297 }
298
299 /**
300 * Used to set the language of posts or terms in mass
301 *
302 * @since 1.2
303 *
304 * @param string $type either 'post' or 'term'
305 * @param array $ids array of post ids or term ids
306 * @param object|string $lang object or slug
307 */
308 public function set_language_in_mass( $type, $ids, $lang ) {
309 global $wpdb;
310
311 $ids = array_map( 'intval', $ids );
312 $lang = $this->get_language( $lang );
313 $tt_id = 'term' === $type ? $lang->tl_term_taxonomy_id : $lang->term_taxonomy_id;
314
315 foreach ( $ids as $id ) {
316 $values[] = $wpdb->prepare( '( %d, %d )', $id, $tt_id );
317 }
318
319 if ( ! empty( $values ) ) {
320 $values = array_unique( $values );
321 $wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $values ) );
322 $lang->update_count(); // Updating term count is mandatory ( thanks to AndyDeGroo )
323 }
324
325 if ( 'term' === $type ) {
326 clean_term_cache( $ids, 'term_language' );
327
328 foreach ( $ids as $id ) {
329 $translations[] = array( $lang->slug => $id );
330 }
331
332 if ( ! empty( $translations ) ) {
333 $this->set_translation_in_mass( 'term', $translations );
334 }
335 } else {
336 clean_term_cache( $ids, 'language' );
337 }
338 }
339
340 /**
341 * Used to create a translations groups in mass
342 *
343 * @since 1.6.3
344 *
345 * @param string $type either 'post' or 'term'
346 * @param array $translations array of translations arrays
347 */
348 public function set_translation_in_mass( $type, $translations ) {
349 global $wpdb;
350
351 $taxonomy = $type . '_translations';
352
353 foreach ( $translations as $t ) {
354 $term = uniqid( 'pll_' ); // the term name
355 $terms[] = $wpdb->prepare( '( %s, %s )', $term, $term );
356 $slugs[] = $wpdb->prepare( '%s', $term );
357 $description[ $term ] = serialize( $t );
358 $count[ $term ] = count( $t );
359 }
360
361 // Insert terms
362 if ( ! empty( $terms ) ) {
363 $terms = array_unique( $terms );
364 $wpdb->query( "INSERT INTO $wpdb->terms ( slug, name ) VALUES " . implode( ',', $terms ) );
365 }
366
367 // Get all terms with their term_id
368 $terms = $wpdb->get_results( "SELECT term_id, slug FROM $wpdb->terms WHERE slug IN ( " . implode( ',', $slugs ) . ' )' );
369
370 // Prepare terms taxonomy relationship
371 foreach ( $terms as $term ) {
372 $term_ids[] = $term->term_id;
373 $tts[] = $wpdb->prepare( '( %d, %s, %s, %d )', $term->term_id, $taxonomy, $description[ $term->slug ], $count[ $term->slug ] );
374 }
375
376 // Insert term_taxonomy
377 if ( ! empty( $tts ) ) {
378 $tts = array_unique( $tts );
379 $wpdb->query( "INSERT INTO $wpdb->term_taxonomy ( term_id, taxonomy, description, count ) VALUES " . implode( ',', $tts ) );
380 }
381
382 // Get all terms with term_taxonomy_id
383 $terms = get_terms( $taxonomy, array( 'hide_empty' => false ) );
384
385 // Prepare objects relationships
386 foreach ( $terms as $term ) {
387 $t = unserialize( $term->description );
388 if ( in_array( $t, $translations ) ) {
389 foreach ( $t as $object_id ) {
390 if ( ! empty( $object_id ) ) {
391 $trs[] = $wpdb->prepare( '( %d, %d )', $object_id, $term->term_taxonomy_id );
392 }
393 }
394 }
395 }
396
397 // Insert term_relationships
398 if ( ! empty( $trs ) ) {
399 $wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $trs ) );
400 $trs = array_unique( $trs );
401 }
402
403 clean_term_cache( $term_ids, $taxonomy );
404 }
405
406 /**
407 * Returns untranslated posts and terms ids ( used in settings )
408 *
409 * @since 0.9
410 * @since 2.2.6 Add the $limit argument
411 *
412 * @param in $limit Max number of posts or terms to return. Defaults to -1 (no limit).
413 * @return array Array made of an array of post ids and an array of term ids
414 */
415 public function get_objects_with_no_lang( $limit = -1 ) {
416 global $wpdb;
417
418 /**
419 * Filters the max number of posts or terms to return when searching objects with no language
420 * This filter can be used to decrease the memory usage in case the number of objects
421 * without language is too big. Using a negative value is equivalent to have no limit.
422 *
423 * @since 2.2.6
424 *
425 * @param int $limit Max number of posts or terms to retrieve from the database
426 */
427 $limit = (int) apply_filters( 'get_objects_with_no_lang_limit', $limit );
428
429 $posts = get_posts( array(
430 'numberposts' => $limit,
431 'nopaging' => $limit <= 0,
432 'post_type' => $this->get_translated_post_types(),
433 'post_status' => 'any',
434 'fields' => 'ids',
435 'tax_query' => array(
436 array(
437 'taxonomy' => 'language',
438 'terms' => $this->get_languages_list( array( 'fields' => 'term_id' ) ),
439 'operator' => 'NOT IN',
440 ),
441 ),
442 ) );
443
444 $terms = $wpdb->get_col( sprintf( "
445 SELECT {$wpdb->term_taxonomy}.term_id FROM {$wpdb->term_taxonomy}
446 WHERE taxonomy IN ('%s')
447 AND {$wpdb->term_taxonomy}.term_id NOT IN (
448 SELECT object_id FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN (%s)
449 )
450 %s",
451 implode( "','", array_map( 'esc_sql', $this->get_translated_taxonomies() ) ),
452 implode( ',', array_map( 'intval', $this->get_languages_list( array( 'fields' => 'tl_term_taxonomy_id' ) ) ) ),
453 $limit > 0 ? "LIMIT {$limit}" : ''
454 ) );
455
456 /**
457 * Filter the list of untranslated posts ids and terms ids
458 *
459 * @since 0.9
460 *
461 * @param bool|array $objects false if no ids found, list of post and/or term ids otherwise
462 */
463 return apply_filters( 'pll_get_objects_with_no_lang', empty( $posts ) && empty( $terms ) ? false : array( 'posts' => $posts, 'terms' => $terms ) );
464 }
465
466 /**
467 * Used to delete translations or update the translations when a language slug has been modified in settings
468 *
469 * @since 0.5
470 *
471 * @param string $old_slug the old language slug
472 * @param string $new_slug optional, the new language slug, if not set it means the correspondent has been deleted
473 */
474 public function update_translations( $old_slug, $new_slug = '' ) {
475 global $wpdb;
476
477 $terms = get_terms( array( 'post_translations', 'term_translations' ) );
478
479 foreach ( $terms as $term ) {
480 $term_ids[ $term->taxonomy ][] = $term->term_id;
481 $tr = unserialize( $term->description );
482 if ( ! empty( $tr[ $old_slug ] ) ) {
483 if ( $new_slug ) {
484 $tr[ $new_slug ] = $tr[ $old_slug ]; // Suppress this for delete
485 } else {
486 $dr['id'][] = (int) $tr[ $old_slug ];
487 $dr['tt'][] = (int) $term->term_taxonomy_id;
488 }
489 unset( $tr[ $old_slug ] );
490
491 if ( empty( $tr ) || 1 == count( $tr ) ) {
492 $dt['t'][] = (int) $term->term_id;
493 $dt['tt'][] = (int) $term->term_taxonomy_id;
494 } else {
495 $ut['case'][] = $wpdb->prepare( 'WHEN %d THEN %s', $term->term_id, serialize( $tr ) );
496 $ut['in'][] = (int) $term->term_id;
497 }
498 }
499 }
500
501 // Delete relationships
502 if ( ! empty( $dr ) ) {
503 $wpdb->query( "
504 DELETE FROM $wpdb->term_relationships
505 WHERE object_id IN ( " . implode( ',', $dr['id'] ) . ' )
506 AND term_taxonomy_id IN ( ' . implode( ',', $dr['tt'] ) . ' )
507 ' );
508 }
509
510 // Delete terms
511 if ( ! empty( $dt ) ) {
512 $wpdb->query( "DELETE FROM $wpdb->terms WHERE term_id IN ( " . implode( ',', $dt['t'] ) . ' )' );
513 $wpdb->query( "DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ( " . implode( ',', $dt['tt'] ) . ' )' );
514 }
515
516 // Update terms
517 if ( ! empty( $ut ) ) {
518 $wpdb->query( "
519 UPDATE $wpdb->term_taxonomy
520 SET description = ( CASE term_id " . implode( ' ', $ut['case'] ) . ' END )
521 WHERE term_id IN ( ' . implode( ',', $ut['in'] ) . ' )
522 ' );
523 }
524
525 if ( ! empty( $term_ids ) ) {
526 foreach ( $term_ids as $taxonomy => $ids ) {
527 clean_term_cache( $ids, $taxonomy );
528 }
529 }
530 }
531
532 /**
533 * Updates the default language
534 * taking care to update the default category & the nav menu locations
535 *
536 * @since 1.8
537 *
538 * @param string $slug new language slug
539 */
540 public function update_default_lang( $slug ) {
541 // The nav menus stored in theme locations should be in the default language
542 $theme = get_stylesheet();
543 if ( ! empty( $this->options['nav_menus'][ $theme ] ) ) {
544 foreach ( $this->options['nav_menus'][ $theme ] as $key => $loc ) {
545 $menus[ $key ] = empty( $loc[ $slug ] ) ? 0 : $loc[ $slug ];
546 }
547 set_theme_mod( 'nav_menu_locations', $menus );
548 }
549
550 // The default category should be in the default language
551 $default_cats = $this->term->get_translations( get_option( 'default_category' ) );
552 if ( isset( $default_cats[ $slug ] ) ) {
553 update_option( 'default_category', $default_cats[ $slug ] );
554 }
555
556 // Update options
557 $this->options['default_lang'] = $slug;
558 update_option( 'polylang', $this->options );
559
560 $this->clean_languages_cache();
561 flush_rewrite_rules();
562 }
563 }
564