learnpress / inc / Ajax / EditCurriculumAjax.php

EditCurriculumAjax.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.2, 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 1.0.1
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	$response->data->section_item = $courseSectionItemModel;
239
240	/**
241	* @var $itemModel PostModel
242	*/
243	$itemModel = $courseModel->get_item_model(
244	$courseSectionItemModel->item_id,
245	$courseSectionItemModel->item_type
246	);
247	$response->data->item_link = $itemModel ? $itemModel->get_edit_link() : '';
248
249	$response->status = 'success';
250	$response->message = __( 'Item added to section successfully', 'learnpress' );
251	} catch ( Throwable $e ) {
252	$response->message = $e->getMessage();
253	}
254
255	wp_send_json( $response );
256	}
257
258	/**
259	* Add items selected to section
260	*
261	* $data['course_id'] => ID of course
262	* $data['section_id'] => ID of section
263	* $data['items'] => [ item_id => 0, item_type => '' ]
264	*
265	* JS file edit-section-item.js: function addItemsSelectedToSection call this method.
266	*
267	* @since 4.2.8.6
268	* @version 1.0.1
269	*/
270	public static function add_items_to_section() {
271	$response = new LP_REST_Response();
272
273	try {
274	$data = self::check_valid();
275	$course_id = $data['course_id'] ?? 0;
276	$section_id = $data['section_id'] ?? 0;
277
278	$courseModel = CourseModel::find( $course_id, true );
279	if ( ! $courseModel ) {
280	throw new Exception( __( 'Course not found', 'learnpress' ) );
281	}
282
283	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
284	if ( ! $courseSectionModel ) {
285	throw new Exception( __( 'Section not found', 'learnpress' ) );
286	}
287
288	$courseSectionItems = $courseSectionModel->add_items( $data );
289	if ( empty( $courseSectionItems ) ) {
290	throw new Exception( __( 'No items were added to the section', 'learnpress' ) );
291	}
292
293	// Set context_data for Course Builder context
294	$is_course_builder = ! empty( $data['is_course_builder'] );
295	AdminEditCurriculumTemplate::instance()->context_data = [
296	'is_course_builder' => $is_course_builder,
297	];
298
299	$response->data->html = '';
300	/**
301	* @var $courseSectionItem CourseSectionItemModel
302	*/
303	foreach ( $courseSectionItems as $courseSectionItem ) {
304	$courseSectionItemAlias = (object) get_object_vars( $courseSectionItem );
305	$itemModel = $courseModel->get_item_model(
306	$courseSectionItem->item_id,
307	$courseSectionItem->item_type
308	);
309	$courseSectionItemAlias->title = $itemModel ? $itemModel->get_the_title() : '';
310	$response->data->html .= AdminEditCurriculumTemplate::instance()->html_section_item(
311	$courseModel,
312	$courseSectionItemAlias
313	);
314	}
315
316	$response->status = 'success';
317	$response->message = __( 'Items added to section successfully', 'learnpress' );
318	} catch ( Throwable $e ) {
319	$response->message = $e->getMessage();
320	}
321
322	wp_send_json( $response );
323	}
324
325	/**
326	* Delete item from section
327	*
328	* $data['course_id'] => ID of course
329	* $data['section_id'] => ID of section
330	* $data['item_id'] => ID of item to delete
331	*
332	* JS file edit-section-item.js: function deleteItem call this method.
333	*/
334	public static function delete_item_from_section() {
335	$response = new LP_REST_Response();
336
337	try {
338	$data = self::check_valid();
339	$course_id = $data['course_id'] ?? 0;
340	$section_id = $data['section_id'] ?? 0;
341	$item_id = $data['item_id'] ?? 0;
342
343	$courseModel = CourseModel::find( $course_id, true );
344	if ( ! $courseModel ) {
345	throw new Exception( __( 'Course not found', 'learnpress' ) );
346	}
347
348	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
349	if ( ! $courseSectionModel ) {
350	throw new Exception( __( 'Section not found', 'learnpress' ) );
351	}
352
353	// Find item of section id
354	$courseSectionItemModel = CourseSectionItemModel::find( $section_id, $item_id );
355	if ( ! $courseSectionItemModel ) {
356	throw new Exception( __( 'Item not found in section', 'learnpress' ) );
357	}
358
359	// Delete item from section
360	$courseSectionItemModel->section_course_id = $course_id;
361	$courseSectionItemModel->delete();
362
363	$response->status = 'success';
364	$response->message = __( 'Item deleted from section successfully', 'learnpress' );
365	} catch ( Throwable $e ) {
366	$response->message = $e->getMessage();
367	}
368
369	wp_send_json( $response );
370	}
371
372	/**
373	* Update item on new section and position
374	*
375	* $data['course_id'] => ID of course
376	* $data['items_position'] => list of item id by order on section new
377	* $data['item_id_change'] => ID of item to change section
378	* $data['section_id_new_of_item'] => ID of new section of item
379	* $data['section_id_old_of_item'] => ID of old section of item
380	*
381	* JS file edit-section-item.js: function sortAbleItem call this method.
382	*
383	* @since 4.2.8.6
384	* @version 1.0.1
385	*/
386	public static function update_item_section_and_position() {
387	$response = new LP_REST_Response();
388
389	try {
390	$data = self::check_valid();
391	$course_id = $data['course_id'] ?? 0;
392
393	$courseModel = CourseModel::find( $course_id, true );
394	if ( ! $courseModel ) {
395	throw new Exception( __( 'Course not found', 'learnpress' ) );
396	}
397
398	$coursePostModel = new CoursePostModel( $courseModel );
399	$coursePostModel->update_items_position( $data );
400
401	$response->status = 'success';
402	$response->message = __( 'Item position updated successfully', 'learnpress' );
403	} catch ( Throwable $e ) {
404	$response->message = $e->getMessage();
405	}
406
407	wp_send_json( $response );
408	}
409
410	/**
411	* Update data of item in section
412	*
413	* $data['course_id'] => ID of course
414	* $data['section_id'] => ID of section
415	* $data['item_id'] => ID of item to update
416	* $data['item_type'] => Type of item (e.g., 'lesson', 'quiz', etc.)
417	* $data['item_title'] => New title of the item
418	*
419	* JS file edit-section-item.js: function updateTitle call this method.
420	*
421	* @since 4.2.8.6
422	* @version 1.0.0
423	*/
424	public static function update_item_of_section() {
425	$response = new LP_REST_Response();
426
427	try {
428	$data = self::check_valid();
429	$course_id = $data['course_id'] ?? 0;
430	$section_id = $data['section_id'] ?? 0;
431	$item_id = $data['item_id'] ?? 0;
432	$item_type = $data['item_type'] ?? '';
433	$item_title = $data['item_title'] ?? '';
434
435	if ( empty( $item_title ) ) {
436	throw new Exception( __( 'Item title is required', 'learnpress' ) );
437	}
438
439	$courseModel = CourseModel::find( $course_id, true );
440	if ( ! $courseModel ) {
441	throw new Exception( __( 'Course not found', 'learnpress' ) );
442	}
443
444	$courseSectionModel = CourseSectionModel::find( $section_id, $course_id );
445	if ( ! $courseSectionModel ) {
446	throw new Exception( __( 'Section not found', 'learnpress' ) );
447	}
448
449	$sectionItemModel = CourseSectionItemModel::find( $section_id, $item_id );
450	if ( ! $sectionItemModel ) {
451	throw new Exception( __( 'Item not found in section', 'learnpress' ) );
452	}
453
454	/**
455	* @var $itemModel PostModel
456	*/
457	$itemModel = $courseModel->get_item_model( $item_id, $item_type );
458	if ( ! $itemModel ) {
459	throw new Exception( __( 'Item not found', 'learnpress' ) );
460	}
461
462	$itemModel->post_title = $item_title;
463	$itemModel->save();
464
465	$courseModel->sections_items = null;
466	$courseModel->save();
467
468	$response->status = 'success';
469	$response->message = __( 'Item updated successfully', 'learnpress' );
470	} catch ( Throwable $e ) {
471	$response->message = $e->getMessage();
472	}
473
474	wp_send_json( $response );
475	}
476
477	/**
478	* Update item preview.
479	*
480	* JS file edit-section-item.js: function updatePreviewItem call this method.
481	*
482	* @since 4.2.8.6
483	* @version 1.0.2
484	*/
485	public static function update_item_preview() {
486	$response = new LP_REST_Response();
487
488	try {
489	$data = self::check_valid();
490	$course_id = $data['course_id'] ?? 0;
491	$item_id = $data['item_id'] ?? 0;
492	$item_type = $data['item_type'] ?? '';
493	$enable_preview = $data['enable_preview'] ?? 0;
494
495	$courseModel = CourseModel::find( $course_id, true );
496	if ( ! $courseModel ) {
497	throw new Exception( __( 'Course not found', 'learnpress' ) );
498	}
499
500	if ( $item_type !== LP_LESSON_CPT ) {
501	throw new Exception( __( 'Only lesson can be set preview', 'learnpress' ) );
502	}
503
504	/**
505	* @var $itemModel LessonPostModel
506	*/
507	$itemModel = $courseModel->get_item_model( $item_id, $item_type );
508	if ( ! $itemModel ) {
509	throw new Exception( __( 'Item not found', 'learnpress' ) );
510	}
511
512	$itemModel->set_preview( $enable_preview == 1 );
513
514	// Save course to update preview data of item in the curriculum.
515	$coursePostModel = new CoursePostModel( $courseModel );
516	$coursePostModel->save();
517
518	$response->status = 'success';
519	$response->message = __( 'Item updated successfully', 'learnpress' );
520	} catch ( Throwable $e ) {
521	$response->message = $e->getMessage();
522	}
523
524	wp_send_json( $response );
525	}
526	}
527