learnpress / inc / Ajax / EditQuestionAjax.php

EditQuestionAjax.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.2, at inc/Ajax/EditQuestionAjax.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 4.2.9
8	* @version 1.0.0
9	*/
10
11	namespace LearnPress\Ajax;
12
13	use Exception;
14	use LearnPress\Ajax\AbstractAjax;
15
16	use LearnPress\Databases\QuestionAnswersDB;
17	use LearnPress\Models\Question\QuestionAnswerModel;
18	use LearnPress\Models\Question\QuestionPostFIBModel;
19	use LearnPress\Models\Question\QuestionPostModel;
20	use LearnPress\Models\Question\QuestionPostMultipleChoiceModel;
21	use LearnPress\Models\Question\QuestionPostSingleChoiceModel;
22	use LearnPress\Models\Question\QuestionSortingChoiceModel;
23	use LearnPress\TemplateHooks\Admin\AdminEditQuestionTemplate;
24	use LP_Helper;
25	use LP_REST_Response;
26	use Throwable;
27
28	class EditQuestionAjax extends AbstractAjax {
29	/**
30	* Check permissions and validate parameters.
31	*
32	* @throws Exception
33	*
34	* @since 4.2.9
35	* @version 1.0.0
36	*/
37	public static function check_valid() {
38	$params = wp_unslash( $_REQUEST['data'] ?? '' );
39	if ( empty( $params ) ) {
40	throw new Exception( 'Error: params invalid!' );
41	}
42
43	$params = LP_Helper::json_decode( $params, true );
44	$question_id = $params['question_id'] ?? 0;
45	$questionPostModel = QuestionPostModel::find( $question_id, true );
46	if ( ! $questionPostModel ) {
47	throw new Exception( __( 'Question not found', 'learnpress' ) );
48	}
49
50	$params['questionPostModel'] = $questionPostModel;
51
52	return $params;
53	}
54
55	/**
56	* Update question title.
57	*
58	* JS file edit-quiz.js: function updateQuestionTitle call this method.
59	*
60	*/
61	public static function update_question() {
62	$response = new LP_REST_Response();
63
64	try {
65	$data = self::check_valid();
66	$question_id = $data['question_id'] ?? 0;
67	$question_title = $data['question_title'] ?? false;
68	$question_description = $data['question_description'] ?? false;
69	$question_hint = $data['question_hint'] ?? false;
70	$question_explanation = $data['question_explanation'] ?? false;
71	$question_mark = $data['question_mark'] ?? false;
72	$question_type = $data['question_type'] ?? false;
73
74	$questionPostModel = QuestionPostModel::find( $question_id, true );
75	if ( ! $questionPostModel ) {
76	throw new Exception( __( 'Question not found', 'learnpress' ) );
77	}
78
79	if ( false !== $question_title ) {
80	if ( empty( $question_title ) ) {
81	throw new Exception( __( 'Question title is required', 'learnpress' ) );
82	}
83
84	$questionPostModel->post_title = $question_title;
85	}
86
87	if ( false !== $question_description ) {
88	$questionPostModel->post_content = $question_description;
89	}
90
91	if ( false !== $question_hint ) {
92	$questionPostModel->save_meta_value_by_key( QuestionPostModel::META_KEY_HINT, $question_hint );
93	}
94
95	if ( false !== $question_explanation ) {
96	$questionPostModel->save_meta_value_by_key( QuestionPostModel::META_KEY_EXPLANATION, $question_explanation );
97	}
98
99	if ( false !== $question_mark ) {
100	$questionPostModel->save_meta_value_by_key( QuestionPostModel::META_KEY_MARK, $question_mark );
101	}
102
103	if ( false !== $question_type ) {
104	if ( ! in_array( $question_type, array_keys( QuestionPostModel::get_types() ), true ) ) {
105	throw new Exception( __( 'Invalid question type', 'learnpress' ) );
106	}
107
108	$questionPostModel->save_meta_value_by_key( QuestionPostModel::META_KEY_TYPE, $question_type );
109
110	// Create default answers for question
111	$questionClassName = $questionPostModel::get_question_obj_by_type( $question_type );
112	if ( class_exists( $questionClassName ) ) {
113	$questionPostTyeModel = new $questionClassName( $questionPostModel );
114	if ( method_exists( $questionPostTyeModel, 'create_default_answers' ) ) {
115	$questionPostTyeModel->create_default_answers();
116	}
117	} else {
118	throw new Exception( __( 'Question type not found', 'learnpress' ) );
119	}
120
121	$response->data->html_option_answers = AdminEditQuestionTemplate::instance()->html_answer_option(
122	$questionPostModel
123	);
124	}
125
126	$questionPostModel->save();
127	$response->status = 'success';
128	$response->message = __( 'Question update successfully', 'learnpress' );
129	} catch ( Throwable $e ) {
130	$response->message = $e->getMessage();
131	}
132
133	wp_send_json( $response );
134	}
135
136	/**
137	* Update answer config of question
138	*
139	* JS file edit-quiz.js: function addQuestionAnswer call this method.
140	*
141	* @return void
142	*/
143	public static function add_question_answer() {
144	$response = new LP_REST_Response();
145
146	try {
147	$data = self::check_valid();
148	$answer_title = $data['answer_title'] ?? '';
149	if ( empty( $answer_title ) ) {
150	throw new Exception( __( 'Answer title is required', 'learnpress' ) );
151	}
152
153	/**
154	* @var QuestionPostModel $questionPostModel
155	*/
156	$questionPostModel = $data['questionPostModel'];
157	$type = $questionPostModel->get_type();
158
159	if ( $type === 'single_choice' ) {
160	$questionAnswerModel = new QuestionPostSingleChoiceModel( $questionPostModel );
161	} elseif ( $type === 'multiple_choice' ) {
162	$questionAnswerModel = new QuestionPostMultipleChoiceModel( $questionPostModel );
163	} else {
164
165	}
166
167	$db = QuestionAnswersDB::getInstance();
168	$max_order = $db->get_last_number_order( $questionPostModel->get_id() );
169
170	$answer = array(
171	'question_id' => $questionPostModel->get_id(),
172	'title' => $answer_title,
173	'value' => learn_press_random_value(),
174	'is_true' => $answer['is_true'] ?? '',
175	'order' => $max_order + 1,
176	);
177
178	$questionAnswerModel = new QuestionAnswerModel( $answer );
179	$questionAnswerModel->save();
180
181	$response->status = 'success';
182	$response->data->question_answer = $questionAnswerModel;
183	$response->message = __( 'Question answer added successfully', 'learnpress' );
184	} catch ( Throwable $e ) {
185	$response->message = $e->getMessage();
186	}
187
188	wp_send_json( $response );
189	}
190
191	/**
192	* Update answer config of question
193	*
194	* JS file edit-question.js: function fibSaveContent call this method.
195	*
196	* @return void
197	*/
198	public function update_question_answers_config() {
199	$response = new LP_REST_Response();
200
201	try {
202	$data = self::check_valid();
203	$question_id = $data['question_id'] ?? 0;
204	$question_answers = $data['answers'] ?? [];
205	$question_answers = LP_Helper::sanitize_params_submitted( $question_answers, 'html', false );
206
207	$questionPostModel = QuestionPostModel::find( $question_id, true );
208	if ( ! $questionPostModel ) {
209	throw new Exception( __( 'Question not found', 'learnpress' ) );
210	}
211
212	if ( $questionPostModel->get_type() === 'fill_in_blanks' ) {
213	$questionPostFIBModel = new QuestionPostFIBModel( $questionPostModel );
214	// Update title
215	$questionAnswerModel = new QuestionAnswerModel( $question_answers );
216	$content = $question_answers['title'] ?? '';
217	$meta_data = $question_answers['meta_data'] ?? [];
218	$questionAnswerModel->title = $questionPostFIBModel->convert_content_from_editor_to_db( $content );
219	$questionAnswerModel->save();
220	// Update meta value for fill in blanks
221	$pattern = '#<span class="lp-question-fib-input" data-id="([^"]+)">([^<]+)<\/span>#';
222	preg_match_all( $pattern, $content, $matches );
223	$ids = [];
224
225	$fib_blank_options = [];
226	if ( ! empty( $matches ) ) {
227	$ids = $matches[1];
228	$fills = $matches[2];
229
230	foreach ( $ids as $index => $id ) {
231	$fib_blank_options[ $id ] = [
232	'id' => $id,
233	'fill' => html_entity_decode( $fills[ $index ] ?? '' ),
234	'match_case' => 0,
235	'comparison' => 'equal',
236	];
237	}
238	}
239
240	if ( ! empty( $meta_data ) ) {
241	foreach ( $meta_data as $blank_id => $blank_options ) {
242	if ( $meta_data[ $blank_id ]['comparison'] === '' ) {
243	$meta_data[ $blank_id ]['comparison'] = 'equal';
244	}
245
246	if ( ! in_array( $blank_id, $ids, true ) ) {
247	unset( $meta_data[ $blank_id ] );
248	}
249	}
250	}
251
252	// If not null ids, but meta_data is empty, we will set default options for blanks.
253	if ( ! empty( $ids ) && empty( $meta_data ) ) {
254	$meta_data = $fib_blank_options;
255	}
256
257	$questionAnswerModel->save_meta_value_by_key( QuestionAnswerModel::META_KEY_BLANKS, $meta_data );
258	} else {
259	foreach ( $question_answers as $answer ) {
260	if ( empty( $answer ) ) {
261	continue;
262	}
263
264	$questionAnswerModel = new QuestionAnswerModel( $answer );
265	$questionAnswerModel->save();
266	}
267	}
268
269	$response->status = 'success';
270	$response->message = __( 'Answer of Question update successfully', 'learnpress' );
271	} catch ( Throwable $e ) {
272	$response->message = $e->getMessage();
273	}
274
275	wp_send_json( $response );
276	}
277
278	/**
279	* Delete answer of question
280	*
281	* JS file edit-quiz.js: function deleteQuestionAnswer call this method.
282	*
283	* @return void
284	*/
285	public static function delete_question_answer() {
286	$response = new LP_REST_Response();
287
288	try {
289	$data = self::check_valid();
290	$question_answer_id = $data['question_answer_id'] ?? '';
291	if ( empty( $question_answer_id ) ) {
292	throw new Exception( __( 'Invalid request!', 'learnpress' ) );
293	}
294
295	$questionAnswerModel = QuestionAnswerModel::find( $question_answer_id, true );
296	if ( ! $questionAnswerModel ) {
297	throw new Exception( __( 'Question answer not found', 'learnpress' ) );
298	}
299
300	// Delete question answer
301	$questionAnswerModel->delete();
302
303	$response->status = 'success';
304	$response->message = __( 'Question answer deleted successfully', 'learnpress' );
305	} catch ( Throwable $e ) {
306	$response->message = $e->getMessage();
307	}
308
309	wp_send_json( $response );
310	}
311	}
312