elementor / includes / template-library / sources / base.php

base.php in Elementor Website Builder – more than just a page builder 3.30.2, at includes/template-library/sources/base.php

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1	<?php
2	namespace Elementor\TemplateLibrary;
3
4	use Elementor\Controls_Stack;
5	use Elementor\Core\Settings\Page\Model;
6	use Elementor\Plugin;
7	use Elementor\Utils;
8
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit; // Exit if accessed directly.
11	}
12
13	/**
14	* Elementor template library source base.
15	*
16	* Elementor template library source base handler class is responsible for
17	* initializing all the methods controlling the source of Elementor templates.
18	*
19	* @since 1.0.0
20	* @abstract
21	*/
22	abstract class Source_Base {
23
24	/**
25	* User meta.
26	*
27	* Holds the current user meta data.
28	*
29	* @access private
30	*
31	* @var array
32	*/
33	private $user_meta;
34
35	/**
36	* Get template ID.
37	*
38	* Retrieve the template ID.
39	*
40	* @since 1.0.0
41	* @access public
42	* @abstract
43	*/
44	abstract public function get_id();
45
46	/**
47	* Get template title.
48	*
49	* Retrieve the template title.
50	*
51	* @since 1.0.0
52	* @access public
53	* @abstract
54	*/
55	abstract public function get_title();
56
57	/**
58	* Register template data.
59	*
60	* Used to register custom template data like a post type, a taxonomy or any
61	* other data.
62	*
63	* @since 1.0.0
64	* @access public
65	* @abstract
66	*/
67	abstract public function register_data();
68
69	/**
70	* Get templates.
71	*
72	* Retrieve templates from the template library.
73	*
74	* @since 1.0.0
75	* @access public
76	* @abstract
77	*
78	* @param array $args Optional. Filter templates list based on a set of
79	* arguments. Default is an empty array.
80	*/
81	abstract public function get_items( $args = [] );
82
83	/**
84	* Get template.
85	*
86	* Retrieve a single template from the template library.
87	*
88	* @since 1.0.0
89	* @access public
90	* @abstract
91	*
92	* @param int $template_id The template ID.
93	*/
94	abstract public function get_item( $template_id );
95
96	/**
97	* Get template data.
98	*
99	* Retrieve a single template data from the template library.
100	*
101	* @since 1.5.0
102	* @access public
103	* @abstract
104	*
105	* @param array $args Custom template arguments.
106	*/
107	abstract public function get_data( array $args );
108
109	/**
110	* Delete template.
111	*
112	* Delete template from the database.
113	*
114	* @since 1.0.0
115	* @access public
116	* @abstract
117	*
118	* @param int $template_id The template ID.
119	*/
120	abstract public function delete_template( $template_id );
121
122	/**
123	* Save template.
124	*
125	* Save new or update existing template on the database.
126	*
127	* @since 1.0.0
128	* @access public
129	* @abstract
130	*
131	* @param array $template_data The template data.
132	*/
133	abstract public function save_item( $template_data );
134
135	/**
136	* Update template.
137	*
138	* Update template on the database.
139	*
140	* @since 1.0.0
141	* @access public
142	* @abstract
143	*
144	* @param array $new_data New template data.
145	*/
146	abstract public function update_item( $new_data );
147
148	/**
149	* Export template.
150	*
151	* Export template to a file.
152	*
153	* @since 1.0.0
154	* @access public
155	* @abstract
156	*
157	* @param int $template_id The template ID.
158	*/
159	abstract public function export_template( $template_id );
160
161	/**
162	* Template library source base constructor.
163	*
164	* Initializing the template library source base by registering custom
165	* template data.
166	*
167	* @since 1.0.0
168	* @access public
169	*/
170	public function __construct() {
171	$this->register_data();
172	}
173
174	/**
175	* Mark template as favorite.
176	*
177	* Update user meta containing his favorite templates. For a given template
178	* ID, add the template to the favorite templates or remove it from the
179	* favorites, based on the `favorite` parameter.
180	*
181	* @since 1.9.0
182	* @access public
183	*
184	* @param int $template_id The template ID.
185	* @param bool $favorite Optional. Whether the template is marked as
186	* favorite, or not. Default is true.
187	*
188	* @return int\|bool User meta ID if the key didn't exist, true on successful
189	* update, false on failure.
190	*/
191	public function mark_as_favorite( $template_id, $favorite = true ) {
192	$favorites_templates = $this->get_user_meta( 'favorites' );
193
194	if ( ! $favorites_templates ) {
195	$favorites_templates = [];
196	}
197
198	if ( $favorite ) {
199	$favorites_templates[ $template_id ] = $favorite;
200	} elseif ( isset( $favorites_templates[ $template_id ] ) ) {
201	unset( $favorites_templates[ $template_id ] );
202	}
203
204	return $this->update_user_meta( 'favorites', $favorites_templates );
205	}
206
207	/**
208	* Get current user meta.
209	*
210	* Retrieve Elementor meta data for the current user.
211	*
212	* @since 1.9.0
213	* @access public
214	*
215	* @param string $item Optional. User meta key. Default is null.
216	*
217	* @return null\|array An array of user meta data, or null otherwise.
218	*/
219	public function get_user_meta( $item = null ) {
220	if ( null === $this->user_meta ) {
221	$this->user_meta = get_user_meta( get_current_user_id(), $this->get_user_meta_prefix(), true );
222	}
223
224	if ( ! $this->user_meta ) {
225	$this->user_meta = [];
226	}
227
228	if ( $item ) {
229	if ( isset( $this->user_meta[ $item ] ) ) {
230	return $this->user_meta[ $item ];
231	}
232
233	return null;
234	}
235
236	return $this->user_meta;
237	}
238
239	/**
240	* Update current user meta.
241	*
242	* Update user meta data based on meta key an value.
243	*
244	* @since 1.9.0
245	* @access public
246	*
247	* @param string $key Optional. User meta key.
248	* @param mixed $value Optional. User meta value.
249	*
250	* @return int\|bool User meta ID if the key didn't exist, true on successful
251	* update, false on failure.
252	*/
253	public function update_user_meta( $key, $value ) {
254	$meta = $this->get_user_meta();
255
256	$meta[ $key ] = $value;
257
258	$this->user_meta = $meta;
259
260	return update_user_meta( get_current_user_id(), $this->get_user_meta_prefix(), $meta );
261	}
262
263	/**
264	* Replace elements IDs.
265	*
266	* For any given Elementor content/data, replace the IDs with new randomly
267	* generated IDs.
268	*
269	* @since 1.0.0
270	* @access protected
271	*
272	* @param array $content Any type of Elementor data.
273	*
274	* @return mixed Iterated data.
275	*/
276	protected function replace_elements_ids( $content ) {
277	return Plugin::$instance->db->iterate_data( $content, function( $element ) {
278	$element['id'] = Utils::generate_random_string();
279
280	return apply_filters( 'elementor/document/element/replace_id', $element );
281	} );
282	}
283
284	/**
285	* Get Elementor library user meta prefix.
286	*
287	* Retrieve user meta prefix used to save Elementor data.
288	*
289	* @since 1.9.0
290	* @access protected
291	*
292	* @return string User meta prefix.
293	*/
294	protected function get_user_meta_prefix() {
295	return 'elementor_library_' . $this->get_id();
296	}
297
298	/**
299	* Process content for export/import.
300	*
301	* Process the content and all the inner elements, and prepare all the
302	* elements data for export/import.
303	*
304	* @since 1.5.0
305	* @access protected
306	*
307	* @param array $content A set of elements.
308	* @param string $method Accepts either `on_export` to export data or
309	* `on_import` to import data.
310	*
311	* @return mixed Processed content data.
312	*/
313	protected function process_export_import_content( $content, $method ) {
314	return Plugin::$instance->db->iterate_data(
315	$content, function( $element_data ) use ( $method ) {
316	$element = Plugin::$instance->elements_manager->create_element_instance( $element_data );
317
318	// If the widget/element isn't exist, like a plugin that creates a widget but deactivated
319	if ( ! $element ) {
320	return null;
321	}
322
323	return $this->process_element_export_import_content( $element, $method );
324	}
325	);
326	}
327
328	/**
329	* Process single element content for export/import.
330	*
331	* Process any given element and prepare the element data for export/import.
332	*
333	* @since 1.5.0
334	* @access protected
335	*
336	* @param Controls_Stack $element
337	* @param string $method
338	*
339	* @return array Processed element data.
340	*/
341	protected function process_element_export_import_content( Controls_Stack $element, $method ) {
342	$element_data = $element->get_data();
343
344	if ( method_exists( $element, $method ) ) {
345	// TODO: Use the internal element data without parameters.
346	$element_data = $element->{$method}( $element_data );
347	}
348
349	foreach ( $element->get_controls() as $control ) {
350	$control_class = Plugin::$instance->controls_manager->get_control( $control['type'] );
351
352	// If the control isn't exist, like a plugin that creates the control but deactivated.
353	if ( ! $control_class ) {
354	return $element_data;
355	}
356
357	if ( method_exists( $control_class, $method ) ) {
358	$element_data['settings'][ $control['name'] ] = $control_class->{$method}( $element->get_settings( $control['name'] ), $control );
359	}
360
361	// On Export, check if the control has an argument 'export' => false.
362	if ( 'on_export' === $method && isset( $control['export'] ) && false === $control['export'] ) {
363	unset( $element_data['settings'][ $control['name'] ] );
364	}
365	}
366
367	return $element_data;
368	}
369
370	public function get_item_children( array $args = [] ) {
371	return [];
372	}
373
374	public function search_templates( array $args = [] ) {
375	return [];
376	}
377
378	public function save_folder( array $folder_data = [] ) {
379	return new \WP_Error( 'template_error', 'Folders cannot be created in this source' );
380	}
381
382	public function move_template_to_folder( array $folder_data = [] ) {
383	return new \WP_Error( 'template_error', 'Templates cannot be moved in this source' );
384	}
385
386	public function move_bulk_templates_to_folder( array $folder_data = [] ) {
387	return new \WP_Error( 'template_error', 'Templates cannot be moved in this source' );
388	}
389
390	public function save_bulk_items( array $args = [] ) {
391	return [];
392	}
393
394	public function get_bulk_items( array $args = [] ) {
395	return [];
396	}
397
398	/**
399	* @param int $template_id
400	* @return \Elementor\Core\Base\Document\|\WP_Error
401	*/
402	public function create_document_for_preview( int $template_id ) {
403	return new \WP_Error( 'template_error', 'Can not generate preview for this source' );
404	}
405
406	/**
407	* @param int $template_id
408	* @param mixed $data
409	* @return string\|\WP_Error
410	* @throws \Exception
411	*/
412	public function save_item_preview( int $template_id, $data ) {
413	return new \WP_Error( 'template_error', 'Cannot save previews for this source' );
414	}
415
416	/**
417	* @param int $template_id
418	* @param string $error
419	* @return string\|\WP_Error
420	* @throws \Exception
421	*/
422	public function mark_preview_as_failed( int $template_id, string $error ) {
423	return new \WP_Error( 'template_error', 'Cannot mark preview as failed for this source' );
424	}
425
426	/**
427	* @param int[] $template_ids
428	* @return bool\|\WP_Error
429	*/
430	public function bulk_delete_items( array $template_ids ) {
431	return new \WP_Error( 'template_error', 'Bulk delete action is not supported for this source' );
432	}
433
434	/**
435	* @param int[] $template_ids
436	* @return bool\|\WP_Error
437	*/
438	public function bulk_undo_delete_items( array $template_ids ) {
439	return new \WP_Error( 'template_error', 'Undo delete action is not supported for this source' );
440	}
441
442	/**
443	* @return array\|\WP_Error
444	*/
445	public function get_quota() {
446	return new \WP_Error( 'template_error', 'This source does not support quotas' );
447	}
448
449	/**
450	* @return array\|\WP_Error
451	*/
452	public function import_template( $name, $path ) {
453	return new \WP_Error( 'template_error', 'This source does not support import' );
454	}
455
456	public function supports_quota(): bool {
457	return false;
458	}
459
460	public function validate_quota( array $items ) {
461	return new \WP_Error( 'quota_error', 'This source does not support quota validation' );
462	}
463
464	public function prepare_import_template_data( $file_path ) {
465	$data = json_decode( Utils::file_get_contents( $file_path ), true );
466
467	if ( empty( $data ) ) {
468	return new \WP_Error( 'file_error', 'Invalid File' );
469	}
470
471	$content = $data['content'];
472
473	if ( ! is_array( $content ) ) {
474	return new \WP_Error( 'file_error', 'Invalid Content In File' );
475	}
476
477	$content = $this->process_export_import_content( $content, 'on_import' );
478
479	$content = apply_filters(
480	"elementor/template_library/sources/{$this->get_id()}/import/elements",
481	$content
482	);
483
484	$page_settings = [];
485
486	if ( ! empty( $data['page_settings'] ) ) {
487	$page = new Model( [
488	'id' => 0,
489	'settings' => $data['page_settings'],
490	] );
491
492	$page_settings_data = $this->process_element_export_import_content( $page, 'on_import' );
493
494	if ( ! empty( $page_settings_data['settings'] ) ) {
495	$page_settings = $page_settings_data['settings'];
496	}
497	}
498
499	return [
500	'content' => $content,
501	'page_settings' => $page_settings,
502	'title' => $data['title'],
503	'type' => $data['type'],
504	];
505	}
506
507	/**
508	* Send file headers.
509	*
510	* Set the file header when export template data to a file.
511	*
512	* @since 1.6.0
513	* @access protected
514	*
515	* @param string $file_name File name.
516	* @param int $file_size File size.
517	*/
518	protected function send_file_headers( $file_name, $file_size ) {
519	header( 'Content-Type: application/octet-stream' );
520	header( 'Content-Disposition: attachment; filename=' . $file_name );
521	header( 'Expires: 0' );
522	header( 'Cache-Control: must-revalidate' );
523	header( 'Pragma: public' );
524	header( 'Content-Length: ' . $file_size );
525	}
526
527	protected function filesize( $path ) {
528	return filesize( $path );
529	}
530
531	protected function serve_zip( $zip_complete_path ): void {
532	@ob_end_flush();
533	@readfile( $zip_complete_path );
534	}
535
536	protected function serve_file( string $file_content ): void {
537	@ob_end_clean();
538	flush();
539
540	// PHPCS - Export widget json
541	echo $file_content; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
542	}
543	}
544