learnpress / inc / Ajax / EditCurriculumAjax.php

EditCurriculumAjax.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.5, at inc/Ajax/EditCurriculumAjax.php

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1	<?php
2	/**
3	* class EditCurriculumAjax
4	*
5	* This class handles the AJAX request to edit the curriculum of a course.
6	*
7	* @since 4.2.8.6
8	* @version 1.0.1
9	*/
10
11	namespace LearnPress\Ajax;
12
13	use Exception;
14	use LearnPress\Models\CourseModel;
15	use LearnPress\Models\CoursePostModel;
16	use LearnPress\Models\CourseSectionItemModel;
17	use LearnPress\Models\CourseSectionModel;
18	use LearnPress\Models\LessonPostModel;
19	use LearnPress\Models\PostModel;
20	use LearnPress\TemplateHooks\Course\AdminEditCurriculumTemplate;
21	use LP_Helper;
22	use LP_REST_Response;
23	use Throwable;
24
25	class EditCurriculumAjax extends AbstractAjax {
26	/**
27	* Check permissions and validate parameters.
28	*
29	* @throws Exception
30	*
31	* @since 4.2.8.6
32	* @version 1.0.1
33	*/
34	public static function check_valid() {
35	$params = wp_unslash( $_REQUEST['data'] ?? '' );
36	if ( empty( $params ) ) {
37	throw new Exception( 'Error: params invalid!' );
38	}
39
40	return LP_Helper::json_decode( $params, true );
41	}
42
43	/**
44	* Add section
45	*
46	* JS file edit-section.js: function addSection call this method to update the section description.
47	*
48	* @since 4.2.8.6
49	* @version 1.0.1
50	*/
51	public static function course_add_section() {
52	$response = new LP_REST_Response();
53
54	try {
55	$data = self::check_valid();
56
57	$course_id = $data['course_id'] ?? 0;
58	$courseModel = CourseModel::find( $course_id, true );
59	if ( ! $courseModel ) {
60	throw new Exception( __( 'Course not found', 'learnpress' ) );
61	}
62
63	$section_name = trim( $data['section_name'] ?? '' );
64	if ( empty( $section_name ) ) {
65	throw new Exception( __( 'Section title is required', 'learnpress' ) );
66	}
67
68	// Add section to course.
69	$coursePostModel = new CoursePostModel( $courseModel );
70	$sectionNew = $coursePostModel->add_section(
71	[
72	'section_name' => $section_name,
73	'section_description' => $data['section_description'] ?? '',
74	]
75	);
76
77	$response->data->section = $sectionNew;
78	$response->status = 'success';
79	$response->message = __( 'Section added successfully', 'learnpress' );
80	} catch ( Throwable $e ) {
81	$response->message = $e->getMessage();
82	}
83
84	wp_send_json( $response );
85	}
86
87	/**
88	* Update section
89	*
90	* JS file edit-section.js: function updateSectionTitle call this method to update the section title.
91	* JS file edit-section.js: function updateSectionDescription call this method to update the section description.
92	*
93	* @since 4.2.8.6
94	* @version 1.0.1
95	*/
96	public static function course_update_section() {
97	$response = new LP_REST_Response();
98
99	try {
100	$data = self::check_valid();
101	$course_id = $data['course_id'] ?? 0;
102	$section_id = $data['section_id'] ?? 0;
103
104	$courseModel = CourseModel::find( $course_id, true );
105	if ( ! $courseModel ) {
106	throw new Exception( __( 'Course not found', 'learnpress' ) );
107	}
108
109	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id, true );
110	if ( ! $courseSectionModel ) {
111	throw new Exception( __( 'Section not found', 'learnpress' ) );
112	}
113
114	// Update section of course
115	$coursePostModel = new CoursePostModel( $courseModel );
116	$coursePostModel->update_section( $courseSectionModel, $data );
117
118	$response->status = 'success';
119	$response->message = __( 'Section updated successfully', 'learnpress' );
120	} catch ( Throwable $e ) {
121	$response->message = $e->getMessage();
122	}
123
124	wp_send_json( $response );
125	}
126
127	/**
128	* Delete section
129	*
130	* JS file edit-section.js: function deleteSection call this method to update the section title.
131	*
132	* @since 4.2.8.6
133	* @version 1.0.0
134	*/
135	public static function course_delete_section() {
136	$response = new LP_REST_Response();
137
138	try {
139	$data = self::check_valid();
140	$course_id = $data['course_id'] ?? 0;
141	$section_id = $data['section_id'] ?? 0;
142
143	$courseModel = CourseModel::find( $course_id, true );
144	if ( ! $courseModel ) {
145	throw new Exception( __( 'Course not found', 'learnpress' ) );
146	}
147
148	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
149	if ( ! $courseSectionModel ) {
150	throw new Exception( __( 'Section not found', 'learnpress' ) );
151	}
152
153	$courseSectionModel->delete();
154
155	$response->status = 'success';
156	$response->message = __( 'Section updated successfully', 'learnpress' );
157	} catch ( Throwable $e ) {
158	$response->message = $e->getMessage();
159	}
160
161	wp_send_json( $response );
162	}
163
164	/**
165	* Update sections position
166	* new_position => list of section id by order
167	*
168	* JS file edit-section.js: function sortAbleSection call this method.
169	*
170	* @since 4.2.8.6
171	* @version 1.0.1
172	*/
173	public static function course_update_section_position() {
174	$response = new LP_REST_Response();
175
176	try {
177	$data = self::check_valid();
178	$course_id = $data['course_id'] ?? 0;
179	$new_position = $data['new_position'] ?? [];
180	if ( ! is_array( $new_position ) ) {
181	throw new Exception( __( 'Invalid section position', 'learnpress' ) );
182	}
183
184	$courseModel = CourseModel::find( $course_id, true );
185	if ( ! $courseModel ) {
186	throw new Exception( __( 'Course not found', 'learnpress' ) );
187	}
188
189	// Update all sections position
190	$coursePostMoel = new CoursePostModel( $courseModel );
191	$coursePostMoel->update_sections_position( [ 'new_position' => $new_position ] );
192
193	$courseModel->sections_items = null;
194	$courseModel->save();
195
196	$response->status = 'success';
197	$response->message = __( 'Section updated successfully', 'learnpress' );
198	} catch ( Throwable $e ) {
199	$response->message = $e->getMessage();
200	}
201
202	wp_send_json( $response );
203	}
204
205	/**
206	* Create item and add to section
207	*
208	* $data['course_id'] => ID of course
209	* $data['section_id'] => ID of section
210	* $data['item_type'] => Type of item (e.g., 'lesson', 'quiz', etc.)
211	* $data['item_title'] => Title of the item
212	*
213	* JS file edit-section-item.js: function addItemToSection call this method.
214	*
215	* @since 4.2.8.6
216	* @version 1.0.2
217	*/
218	public static function create_item_add_to_section() {
219	$response = new LP_REST_Response();
220
221	try {
222	$data = self::check_valid();
223	$course_id = $data['course_id'] ?? 0;
224	$section_id = $data['section_id'] ?? 0;
225
226	$courseModel = CourseModel::find( $course_id, true );
227	if ( ! $courseModel ) {
228	throw new Exception( __( 'Course not found', 'learnpress' ) );
229	}
230
231	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
232	if ( ! $courseSectionModel ) {
233	throw new Exception( __( 'Section not found', 'learnpress' ) );
234	}
235
236	$courseSectionItemModel = $courseSectionModel->create_item_and_add( $data );
237
238	// Reload course model to get updated sections
239	$courseModel = CourseModel::find( $course_id, true );
240
241	$response->data->section_item = $courseSectionItemModel;
242
243	/**
244	* @var $itemModel PostModel
245	*/
246	$itemModel = $courseModel->get_item_model(
247	$courseSectionItemModel->item_id,
248	$courseSectionItemModel->item_type
249	);
250	$response->data->item_link = $itemModel ? $itemModel->get_edit_link() : '';
251
252	$response->status = 'success';
253	$response->message = __( 'Item added to section successfully', 'learnpress' );
254	} catch ( Throwable $e ) {
255	$response->message = $e->getMessage();
256	}
257
258	wp_send_json( $response );
259	}
260
261	/**
262	* Add items selected to section
263	*
264	* $data['course_id'] => ID of course
265	* $data['section_id'] => ID of section
266	* $data['items'] => [ item_id => 0, item_type => '' ]
267	*
268	* JS file edit-section-item.js: function addItemsSelectedToSection call this method.
269	*
270	* @since 4.2.8.6
271	* @version 1.0.2
272	*/
273	public static function add_items_to_section() {
274	$response = new LP_REST_Response();
275
276	try {
277	$data = self::check_valid();
278	$course_id = $data['course_id'] ?? 0;
279	$section_id = $data['section_id'] ?? 0;
280
281	$courseModel = CourseModel::find( $course_id, true );
282	if ( ! $courseModel ) {
283	throw new Exception( __( 'Course not found', 'learnpress' ) );
284	}
285
286	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
287	if ( ! $courseSectionModel ) {
288	throw new Exception( __( 'Section not found', 'learnpress' ) );
289	}
290
291	$courseSectionItems = $courseSectionModel->add_items( $data );
292	if ( empty( $courseSectionItems ) ) {
293	throw new Exception( __( 'No items were added to the section', 'learnpress' ) );
294	}
295
296	// Reload course model to get updated sections
297	$courseModel = CourseModel::find( $course_id, true );
298
299	// Set context_data for Course Builder context
300	$is_course_builder = ! empty( $data['is_course_builder'] );
301	AdminEditCurriculumTemplate::instance()->context_data = [
302	'is_course_builder' => $is_course_builder,
303	];
304
305	$response->data->html = '';
306	/**
307	* @var $courseSectionItem CourseSectionItemModel
308	*/
309	foreach ( $courseSectionItems as $courseSectionItem ) {
310	$courseSectionItemAlias = (object) get_object_vars( $courseSectionItem );
311	$itemModel = $courseModel->get_item_model(
312	$courseSectionItem->item_id,
313	$courseSectionItem->item_type
314	);
315	$courseSectionItemAlias->title = $itemModel ? $itemModel->get_the_title() : '';
316	$response->data->html .= AdminEditCurriculumTemplate::instance()->html_section_item(
317	$courseModel,
318	$courseSectionItemAlias
319	);
320	}
321
322	$response->status = 'success';
323	$response->message = __( 'Items added to section successfully', 'learnpress' );
324	} catch ( Throwable $e ) {
325	$response->message = $e->getMessage();
326	}
327
328	wp_send_json( $response );
329	}
330
331	/**
332	* Delete item from section
333	*
334	* $data['course_id'] => ID of course
335	* $data['section_id'] => ID of section
336	* $data['item_id'] => ID of item to delete
337	*
338	* JS file edit-section-item.js: function deleteItem call this method.
339	*/
340	public static function delete_item_from_section() {
341	$response = new LP_REST_Response();
342
343	try {
344	$data = self::check_valid();
345	$course_id = $data['course_id'] ?? 0;
346	$section_id = $data['section_id'] ?? 0;
347	$item_id = $data['item_id'] ?? 0;
348
349	$courseModel = CourseModel::find( $course_id, true );
350	if ( ! $courseModel ) {
351	throw new Exception( __( 'Course not found', 'learnpress' ) );
352	}
353
354	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
355	if ( ! $courseSectionModel ) {
356	throw new Exception( __( 'Section not found', 'learnpress' ) );
357	}
358
359	// Find item of section id
360	$courseSectionItemModel = CourseSectionItemModel::find( $section_id, $item_id );
361	if ( ! $courseSectionItemModel ) {
362	throw new Exception( __( 'Item not found in section', 'learnpress' ) );
363	}
364
365	// Delete item from section
366	$courseSectionItemModel->section_course_id = $course_id;
367	$courseSectionItemModel->delete();
368
369	$response->status = 'success';
370	$response->message = __( 'Item deleted from section successfully', 'learnpress' );
371	} catch ( Throwable $e ) {
372	$response->message = $e->getMessage();
373	}
374
375	wp_send_json( $response );
376	}
377
378	/**
379	* Update item on new section and position
380	*
381	* $data['course_id'] => ID of course
382	* $data['items_position'] => list of item id by order on section new
383	* $data['item_id_change'] => ID of item to change section
384	* $data['section_id_new_of_item'] => ID of new section of item
385	* $data['section_id_old_of_item'] => ID of old section of item
386	*
387	* JS file edit-section-item.js: function sortAbleItem call this method.
388	*
389	* @since 4.2.8.6
390	* @version 1.0.1
391	*/
392	public static function update_item_section_and_position() {
393	$response = new LP_REST_Response();
394
395	try {
396	$data = self::check_valid();
397	$course_id = $data['course_id'] ?? 0;
398
399	$courseModel = CourseModel::find( $course_id, true );
400	if ( ! $courseModel ) {
401	throw new Exception( __( 'Course not found', 'learnpress' ) );
402	}
403
404	$coursePostModel = new CoursePostModel( $courseModel );
405	$coursePostModel->update_items_position( $data );
406
407	$response->status = 'success';
408	$response->message = __( 'Item position updated successfully', 'learnpress' );
409	} catch ( Throwable $e ) {
410	$response->message = $e->getMessage();
411	}
412
413	wp_send_json( $response );
414	}
415
416	/**
417	* Update data of item in section
418	*
419	* $data['course_id'] => ID of course
420	* $data['section_id'] => ID of section
421	* $data['item_id'] => ID of item to update
422	* $data['item_type'] => Type of item (e.g., 'lesson', 'quiz', etc.)
423	* $data['item_title'] => New title of the item
424	*
425	* JS file edit-section-item.js: function updateTitle call this method.
426	*
427	* @since 4.2.8.6
428	* @version 1.0.0
429	*/
430	public static function update_item_of_section() {
431	$response = new LP_REST_Response();
432
433	try {
434	$data = self::check_valid();
435	$course_id = $data['course_id'] ?? 0;
436	$section_id = $data['section_id'] ?? 0;
437	$item_id = $data['item_id'] ?? 0;
438	$item_type = $data['item_type'] ?? '';
439	$item_title = $data['item_title'] ?? '';
440
441	if ( empty( $item_title ) ) {
442	throw new Exception( __( 'Item title is required', 'learnpress' ) );
443	}
444
445	$courseModel = CourseModel::find( $course_id, true );
446	if ( ! $courseModel ) {
447	throw new Exception( __( 'Course not found', 'learnpress' ) );
448	}
449
450	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
451	if ( ! $courseSectionModel ) {
452	throw new Exception( __( 'Section not found', 'learnpress' ) );
453	}
454
455	$sectionItemModel = CourseSectionItemModel::find( $section_id, $item_id );
456	if ( ! $sectionItemModel ) {
457	throw new Exception( __( 'Item not found in section', 'learnpress' ) );
458	}
459
460	/**
461	* @var $itemModel PostModel
462	*/
463	$itemModel = $courseModel->get_item_model( $item_id, $item_type );
464	if ( ! $itemModel ) {
465	throw new Exception( __( 'Item not found', 'learnpress' ) );
466	}
467
468	$itemModel->post_title = $item_title;
469	$itemModel->save();
470
471	$courseModel->sections_items = null;
472	$courseModel->save();
473
474	$response->status = 'success';
475	$response->message = __( 'Item updated successfully', 'learnpress' );
476	} catch ( Throwable $e ) {
477	$response->message = $e->getMessage();
478	}
479
480	wp_send_json( $response );
481	}
482
483	/**
484	* Update item preview.
485	*
486	* JS file edit-section-item.js: function updatePreviewItem call this method.
487	*
488	* @since 4.2.8.6
489	* @version 1.0.2
490	*/
491	public static function update_item_preview() {
492	$response = new LP_REST_Response();
493
494	try {
495	$data = self::check_valid();
496	$course_id = $data['course_id'] ?? 0;
497	$item_id = $data['item_id'] ?? 0;
498	$item_type = $data['item_type'] ?? '';
499	$enable_preview = $data['enable_preview'] ?? 0;
500
501	$courseModel = CourseModel::find( $course_id, true );
502	if ( ! $courseModel ) {
503	throw new Exception( __( 'Course not found', 'learnpress' ) );
504	}
505
506	if ( $item_type !== LP_LESSON_CPT ) {
507	throw new Exception( __( 'Only lesson can be set preview', 'learnpress' ) );
508	}
509
510	/**
511	* @var $itemModel LessonPostModel
512	*/
513	$itemModel = $courseModel->get_item_model( $item_id, $item_type );
514	if ( ! $itemModel ) {
515	throw new Exception( __( 'Item not found', 'learnpress' ) );
516	}
517
518	$itemModel->set_preview( $enable_preview == 1 );
519
520	// Save course to update preview data of item in the curriculum.
521	$coursePostModel = new CoursePostModel( $courseModel );
522	$coursePostModel->save();
523
524	$response->status = 'success';
525	$response->message = __( 'Item updated successfully', 'learnpress' );
526	} catch ( Throwable $e ) {
527	$response->message = $e->getMessage();
528	}
529
530	wp_send_json( $response );
531	}
532	}
533