← All changes | inc/Models/QuizPostModel.php +411 -393 4.3.8 → 4.4.8 View file →

		@@ -1,393 +1,411 @@
1		-<?php
2		-
3		-/**
4		- * Class Quiz Post Model
5		- *
6		- * @package LearnPress/Classes
7		- * @version 1.0.1
8		- * @since 4.2.7.6
9		- */
10		-
11		-namespace LearnPress\Models;
12		-
13		-use Exception;
14		-use LearnPress\Databases\QuizQuestionsDB;
15		-use LearnPress\Models\Question\QuestionAnswerModel;
16		-use LearnPress\Models\Question\QuestionPostModel;
17		-use LearnPress\Models\Quiz\QuizQuestionModel;
18		-use LP_Cache;
19		-use LP_Question;
20		-use LP_Question_DB;
21		-use LP_Question_Filter;
22		-use LP_Quiz;
23		-use LP_Quiz_Filter;
24		-use Throwable;
25		-
26		-
27		-class QuizPostModel extends PostModel {
28		- /**
29		- * @var string Post Type
30		- */
31		- public $post_type = LP_QUIZ_CPT;
32		-
33		- /**
34		- * Const meta key
35		- */
36		- const META_KEY_PASSING_GRADE = '_lp_passing_grade';
37		- const META_KEY_RETAKE_COUNT = '_lp_retake_count';
38		- const META_KEY_DURATION = '_lp_duration';
39		- const META_KEY_PAGINATION = '_lp_pagination';
40		- const META_KEY_REVIEW = '_lp_review';
41		- const META_KEY_SHOW_CORRECT_REVIEW = '_lp_show_correct_review';
42		- const META_KEY_INSTANT_CHECK = '_lp_instant_check';
43		- const META_KEY_NEGATIVE_MARKING = '_lp_negative_marking';
44		- const META_KEY_MINUS_SKIP_QUESTIONS = '_lp_minus_skip_questions';
45		-
46		- /**
47		- * Get post assignment by ID
48		- *
49		- * @param int $post_id
50		- * @param bool $check_cache
51		- *
52		- * @return false|static
53		- */
54		- public static function find( int $post_id, bool $check_cache = false ) {
55		- $filter_post = new LP_Quiz_Filter();
56		- $filter_post->ID = $post_id;
57		-
58		- $key_cache = "quizPostModel/find/{$post_id}";
59		- $lpQuizCache = new LP_Cache();
60		-
61		- // Check cache
62		- if ( $check_cache ) {
63		- $quizPostModel = $lpQuizCache->get_cache( $key_cache );
64		- if ( $quizPostModel instanceof QuizPostModel ) {
65		- return $quizPostModel;
66		- }
67		- }
68		-
69		- $quizPostModel = self::get_item_model_from_db( $filter_post );
70		- // Set cache
71		- if ( $quizPostModel instanceof QuizPostModel ) {
72		- $lpQuizCache->set_cache( $key_cache, $quizPostModel );
73		- }
74		-
75		- return $quizPostModel;
76		- }
77		-
78		- /**
79		- * Get max mark of assignment
80		- *
81		- * @return string
82		- */
83		- public function get_duration(): string {
84		- return $this->get_meta_value_by_key( self::META_KEY_DURATION, '0 minute' );
85		- }
86		-
87		- /**
88		- * Get max mark of assignment
89		- *
90		- * @return float
91		- */
92		- public function get_passing_grade(): float {
93		- return (float) $this->get_meta_value_by_key( self::META_KEY_PASSING_GRADE, 80 );
94		- }
95		-
96		- /**
97		- * Get retake count option.
98		- *
99		- * @return int
100		- */
101		- public function get_retake_count(): int {
102		- return (int) $this->get_meta_value_by_key( self::META_KEY_RETAKE_COUNT, 0 );
103		- }
104		-
105		- /**
106		- * Get all question's ids of the quiz.
107		- *
108		- * @param array $statuses
109		- *
110		- * @return int[]
111		- * @version 1.0.0
112		- * @since 4.2.7.6
113		- */
114		- public function get_question_ids( array $statuses = [ 'publish' ] ): array {
115		- $lp_question_db = LP_Question_DB::getInstance();
116		- $question_ids = [];
117		-
118		- try {
119		- $filter = new LP_Question_Filter();
120		- $filter->ID = $this->get_id();
121		- $filter->post_status = $statuses;
122		- $question_ids = $lp_question_db->get_list_question_ids_of_quiz( $filter );
123		-
124		- // Hook old
125		- if ( has_filter( 'learn-press/quiz/get-question-ids' ) ) {
126		- $quiz_old = new LP_Quiz( $this->get_id() );
127		- $course_id_of_quiz_old = $quiz_old->get_course_id();
128		-
129		- $question_ids = apply_filters(
130		- 'learn-press/quiz/get-question-ids',
131		- $question_ids,
132		- $this->get_id(),
133		- $course_id_of_quiz_old
134		- );
135		- }
136		-
137		- $question_ids = apply_filters(
138		- 'learn-press/quiz/question-ids',
139		- $question_ids,
140		- $this,
141		- $statuses
142		- );
143		-
144		- if ( ! is_array( $question_ids ) ) {
145		- $question_ids = array();
146		- }
147		- } catch ( Throwable $e ) {
148		- error_log( $e->getMessage() );
149		- }
150		-
151		- return $question_ids;
152		- }
153		-
154		- /**
155		- * Get number questions in quiz.
156		- *
157		- * @return int
158		- */
159		- public function count_questions(): int {
160		- $size = 0;
161		- $questions = $this->get_question_ids();
162		-
163		- if ( $questions ) {
164		- $size = sizeof( $questions );
165		- }
166		-
167		- return (int) apply_filters( 'learn-press/quiz/count-questions', $size, $this->get_id() );
168		- }
169		-
170		- /**
171		- * Get Mark of the quiz (total mark questions).
172		- *
173		- * @return mixed|null
174		- */
175		- public function get_mark() {
176		- $questions = $this->get_question_ids();
177		- $mark = 0;
178		-
179		- foreach ( $questions as $question_id ) {
180		- $question = LP_Question::get_question( $question_id );
181		- if ( $question ) {
182		- $mark += $question->get_mark();
183		- }
184		- }
185		-
186		- return apply_filters( 'learn-press/quiz-mark', $mark, $this->get_id() );
187		- }
188		-
189		- /**
190		- * Check option instant check has enabled.
191		- *
192		- * @return bool
193		- */
194		- public function has_instant_check(): bool {
195		- return $this->get_meta_value_by_key( self::META_KEY_INSTANT_CHECK, 'no' ) === 'yes';
196		- }
197		-
198		- /**
199		- * Check option negative marking has enabled.
200		- *
201		- * @return bool
202		- */
203		- public function has_negative_marking(): bool {
204		- return $this->get_meta_value_by_key( self::META_KEY_NEGATIVE_MARKING, 'no' ) === 'yes';
205		- }
206		-
207		- /**
208		- * Check option minus skip questions has enabled.
209		- *
210		- * @return bool
211		- */
212		- public function has_minus_skip_questions(): bool {
213		- return $this->get_meta_value_by_key( self::META_KEY_MINUS_SKIP_QUESTIONS, 'no' ) === 'yes';
214		- }
215		-
216		- /**
217		- * Check option minus skip questions has enabled.
218		- *
219		- * @return bool
220		- */
221		- public function has_show_correct_review(): bool {
222		- return $this->get_meta_value_by_key( self::META_KEY_SHOW_CORRECT_REVIEW, 'yes' ) === 'yes';
223		- }
224		-
225		- /**
226		- * Create question and add to quiz.
227		- *
228		- * @param array $data [ question_title, question_type, question_content ]
229		- *
230		- * @return QuizQuestionModel
231		- * @throws Exception
232		- * @since 4.2.9
233		- * @version 1.0.1
234		- */
235		- public function create_question_and_add( array $data ): QuizQuestionModel {
236		- $question_title = $data['question_title'] ?? '';
237		- $question_type = $data['question_type'] ?? '';
238		- $question_content = $data['question_content'] ?? '';
239		- $question_options = $data['question_options'] ?? [];
240		-
241		- if ( empty( $question_title ) ) {
242		- throw new Exception( __( 'Question title is required', 'learnpress' ) );
243		- }
244		-
245		- if ( ! QuestionPostModel::check_type_valid( $question_type ) ) {
246		- throw new Exception( __( 'Invalid question type', 'learnpress' ) );
247		- }
248		-
249		- // Create question
250		- $questionPostModelNew = new QuestionPostModel();
251		- $questionPostModelNew->post_title = $question_title;
252		- $questionPostModelNew->post_content = $question_content;
253		- $questionPostModelNew->post_status = 'publish';
254		- $questionPostModelNew->post_author = get_current_user_id();
255		- $questionPostModelNew->save();
256		- $questionPostModelNew->save_meta_value_by_key(
257		- QuestionPostModel::META_KEY_TYPE,
258		- $question_type
259		- );
260		-
261		- // Get question object by type
262		- $questionClassName = $questionPostModelNew::get_question_obj_by_type( $question_type );
263		- if ( class_exists( $questionClassName ) ) {
264		- /**
265		- * @var QuestionPostModel $questionPostTyeModel
266		- */
267		- $questionPostTyeModel = new $questionClassName( $questionPostModelNew );
268		- if ( ! empty( $question_options ) ) {
269		- foreach ( $question_options as $index => $answer ) {
270		- $answer = array(
271		- 'question_id' => $questionPostTyeModel->get_id(),
272		- 'title' => $answer['title'],
273		- 'value' => $questionPostTyeModel->random_value(),
274		- 'is_true' => $answer['is_true'] ?? '',
275		- 'order' => $index + 1,
276		- );
277		-
278		- $questionAnswerModel = new QuestionAnswerModel( $answer );
279		- $questionAnswerModel->save();
280		- $answers[ $index ]['question_answer_id'] = $questionAnswerModel->question_answer_id;
281		- }
282		- } elseif ( method_exists( $questionPostTyeModel, 'create_default_answers' ) ) {
283		- $questionPostTyeModel->create_default_answers();
284		- }
285		- } else {
286		- throw new Exception( __( 'Question type not found', 'learnpress' ) );
287		- }
288		-
289		- $quizQuestionsDB = QuizQuestionsDB::getInstance();
290		- $max_order = $quizQuestionsDB->get_last_number_order( $this->get_id() );
291		-
292		- // Add question to quiz
293		- $quizQuestionModel = new QuizQuestionModel();
294		- $quizQuestionModel->quiz_id = $this->get_id();
295		- $quizQuestionModel->question_id = $questionPostModelNew->get_id();
296		- $quizQuestionModel->question_order = $max_order + 1;
297		- $quizQuestionModel->save();
298		-
299		- return $quizQuestionModel;
300		- }
301		-
302		- /**
303		- * Add questions exists (from Question Bank) to quiz.
304		- *
305		- * @param array $data [ 'question_ids' => [] ]
306		- *
307		- * @throws Exception
308		- * @since 4.3.2
309		- * @version 1.0.0
310		- */
311		- public function add_questions_to_quiz( array $data ): array {
312		- $this->check_capabilities_update_item_course();
313		-
314		- $question_ids = $data['question_ids'] ?? [];
315		- if ( empty( $question_ids ) ) {
316		- throw new Exception( __( 'Question IDs are required', 'learnpress' ) );
317		- }
318		-
319		- $quiz_questions_added = [];
320		- foreach ( $question_ids as $question_id ) {
321		- $questionPostModel = QuestionPostModel::find( $question_id, true );
322		- if ( ! $questionPostModel ) {
323		- throw new Exception( __( 'Question not found', 'learnpress' ) );
324		- }
325		-
326		- // Check if question already exists in quiz
327		- $quizQuestionModel = QuizQuestionModel::find( $this->get_id(), $question_id, true );
328		- if ( $quizQuestionModel ) {
329		- continue; // Skip if question already exists in quiz
330		- }
331		-
332		- $quizQuestionsDB = QuizQuestionsDB::getInstance();
333		- $max_order = $quizQuestionsDB->get_last_number_order( $this->get_id() );
334		-
335		- // Add question to quiz
336		- $quizQuestionModel = new QuizQuestionModel();
337		- $quizQuestionModel->quiz_id = $this->get_id();
338		- $quizQuestionModel->question_id = $question_id;
339		- $quizQuestionModel->question_order = $max_order + 1;
340		- $quizQuestionModel->save();
341		-
342		- $quiz_questions_added[] = $quizQuestionModel;
343		- }
344		-
345		- return $quiz_questions_added;
346		- }
347		-
348		- /**
349		- * Update question positions in quiz.
350		- *
351		- * @param int[] $data [ 'question_ids' => [] ]
352		- *
353		- * @throws Exception
354		- * @since 4.3.2
355		- * @version 1.0.0
356		- */
357		- public function update_question_position( array $data ) {
358		- $this->check_capabilities_update_item_course();
359		-
360		- $question_ids = $data['question_ids'] ?? [];
361		- if ( empty( $question_ids ) ) {
362		- throw new Exception( __( 'Question IDs are required', 'learnpress' ) );
363		- }
364		-
365		- $question_ids = $data['question_ids'] ?? [];
366		- QuizQuestionsDB::getInstance()->update_question_position( $question_ids, $this->get_id() );
367		- }
368		-
369		- /**
370		- * Remove question from quiz.
371		- *
372		- * @param int $question_id
373		- *
374		- * @throws Exception
375		- * @since 4.3.2
376		- * @version 1.0.0
377		- */
378		- public function remove_question_from_quiz( int $question_id ) {
379		- $this->check_capabilities_update_item_course();
380		-
381		- $questionPostModel = QuestionPostModel::find( $question_id, true );
382		- if ( ! $questionPostModel ) {
383		- throw new Exception( __( 'Question not found', 'learnpress' ) );
384		- }
385		-
386		- $quizQuestionModel = QuizQuestionModel::find( $this->get_id(), $question_id );
387		- if ( ! $quizQuestionModel ) {
388		- throw new Exception( __( 'Question not found in quiz', 'learnpress' ) );
389		- }
390		-
391		- $quizQuestionModel->delete();
392		- }
393		-}
	1	+<?php
	2	+
	3	+/**
	4	+ * Class Quiz Post Model
	5	+ *
	6	+ * @package LearnPress/Classes
	7	+ * @version 1.0.1
	8	+ * @since 4.2.7.6
	9	+ */
	10	+
	11	+namespace LearnPress\Models;
	12	+
	13	+use Exception;
	14	+use LearnPress\Databases\QuizQuestionsDB;
	15	+use LearnPress\Models\Question\QuestionAnswerModel;
	16	+use LearnPress\Models\Question\QuestionPostModel;
	17	+use LearnPress\Models\Quiz\QuizQuestionModel;
	18	+use LP_Cache;
	19	+use LP_Question;
	20	+use LP_Question_DB;
	21	+use LP_Question_Filter;
	22	+use LP_Quiz;
	23	+use LP_Quiz_Filter;
	24	+use Throwable;
	25	+
	26	+
	27	+class QuizPostModel extends PostModel {
	28	+ /**
	29	+ * @var string Post Type
	30	+ */
	31	+ public $post_type = LP_QUIZ_CPT;
	32	+
	33	+ /**
	34	+ * Const meta key
	35	+ */
	36	+ const META_KEY_PASSING_GRADE = '_lp_passing_grade';
	37	+ const META_KEY_RETAKE_COUNT = '_lp_retake_count';
	38	+ const META_KEY_DURATION = '_lp_duration';
	39	+ const META_KEY_PAGINATION = '_lp_pagination';
	40	+ const META_KEY_REVIEW = '_lp_review';
	41	+ const META_KEY_SHOW_CORRECT_REVIEW = '_lp_show_correct_review';
	42	+ const META_KEY_INSTANT_CHECK = '_lp_instant_check';
	43	+ const META_KEY_NEGATIVE_MARKING = '_lp_negative_marking';
	44	+ const META_KEY_MINUS_SKIP_QUESTIONS = '_lp_minus_skip_questions';
	45	+
	46	+ /**
	47	+ * Get post assignment by ID
	48	+ *
	49	+ * @param int $post_id
	50	+ * @param bool $check_cache
	51	+ *
	52	+ * @return false|static
	53	+ */
	54	+ public static function find( int $post_id, bool $check_cache = false ) {
	55	+ $filter_post = new LP_Quiz_Filter();
	56	+ $filter_post->ID = $post_id;
	57	+
	58	+ $key_cache = "quizPostModel/find/{$post_id}";
	59	+ $lpQuizCache = new LP_Cache();
	60	+
	61	+ // Check cache
	62	+ if ( $check_cache ) {
	63	+ $quizPostModel = $lpQuizCache->get_cache( $key_cache );
	64	+ if ( $quizPostModel instanceof QuizPostModel ) {
	65	+ return $quizPostModel;
	66	+ }
	67	+ }
	68	+
	69	+ $quizPostModel = self::get_item_model_from_db( $filter_post );
	70	+ // Set cache
	71	+ if ( $quizPostModel instanceof QuizPostModel ) {
	72	+ $lpQuizCache->set_cache( $key_cache, $quizPostModel );
	73	+ }
	74	+
	75	+ return $quizPostModel;
	76	+ }
	77	+
	78	+ /**
	79	+ * Get max mark of assignment
	80	+ *
	81	+ * @return string
	82	+ */
	83	+ public function get_duration(): string {
	84	+ return $this->get_meta_value_by_key( self::META_KEY_DURATION, '0 minute' );
	85	+ }
	86	+
	87	+ /**
	88	+ * Get max mark of assignment
	89	+ *
	90	+ * @return float
	91	+ */
	92	+ public function get_passing_grade(): float {
	93	+ return (float) $this->get_meta_value_by_key( self::META_KEY_PASSING_GRADE, 80 );
	94	+ }
	95	+
	96	+ /**
	97	+ * Get retake count option.
	98	+ *
	99	+ * @return int
	100	+ */
	101	+ public function get_retake_count(): int {
	102	+ return (int) $this->get_meta_value_by_key( self::META_KEY_RETAKE_COUNT, 0 );
	103	+ }
	104	+
	105	+ /**
	106	+ * Get all question's ids of the quiz.
	107	+ *
	108	+ * @param array $statuses
	109	+ *
	110	+ * @return int[]
	111	+ * @version 1.0.0
	112	+ * @since 4.2.7.6
	113	+ */
	114	+ public function get_question_ids( array $statuses = [ 'publish' ] ): array {
	115	+ $lp_question_db = LP_Question_DB::getInstance();
	116	+ $question_ids = [];
	117	+
	118	+ try {
	119	+ $filter = new LP_Question_Filter();
	120	+ $filter->ID = $this->get_id();
	121	+ $filter->post_status = $statuses;
	122	+ $question_ids = $lp_question_db->get_list_question_ids_of_quiz( $filter );
	123	+
	124	+ // Hook old
	125	+ if ( has_filter( 'learn-press/quiz/get-question-ids' ) ) {
	126	+ $quiz_old = new LP_Quiz( $this->get_id() );
	127	+ $course_id_of_quiz_old = $quiz_old->get_course_id();
	128	+
	129	+ $question_ids = apply_filters(
	130	+ 'learn-press/quiz/get-question-ids',
	131	+ $question_ids,
	132	+ $this->get_id(),
	133	+ $course_id_of_quiz_old
	134	+ );
	135	+ }
	136	+
	137	+ $question_ids = apply_filters(
	138	+ 'learn-press/quiz/question-ids',
	139	+ $question_ids,
	140	+ $this,
	141	+ $statuses
	142	+ );
	143	+
	144	+ if ( ! is_array( $question_ids ) ) {
	145	+ $question_ids = array();
	146	+ }
	147	+ } catch ( Throwable $e ) {
	148	+ error_log( $e->getMessage() );
	149	+ }
	150	+
	151	+ return $question_ids;
	152	+ }
	153	+
	154	+ /**
	155	+ * Get number questions in quiz.
	156	+ *
	157	+ * @return int
	158	+ */
	159	+ public function count_questions(): int {
	160	+ $size = 0;
	161	+ $questions = $this->get_question_ids();
	162	+
	163	+ if ( $questions ) {
	164	+ $size = sizeof( $questions );
	165	+ }
	166	+
	167	+ return (int) apply_filters( 'learn-press/quiz/count-questions', $size, $this->get_id() );
	168	+ }
	169	+
	170	+ /**
	171	+ * Get Mark of the quiz (total mark questions).
	172	+ *
	173	+ * @return mixed|null
	174	+ */
	175	+ public function get_mark() {
	176	+ $questions = $this->get_question_ids();
	177	+ $mark = 0;
	178	+
	179	+ foreach ( $questions as $question_id ) {
	180	+ $question = LP_Question::get_question( $question_id );
	181	+ if ( $question ) {
	182	+ $mark += $question->get_mark();
	183	+ }
	184	+ }
	185	+
	186	+ return apply_filters( 'learn-press/quiz-mark', $mark, $this->get_id() );
	187	+ }
	188	+
	189	+ /**
	190	+ * Check option instant check has enabled.
	191	+ *
	192	+ * @return bool
	193	+ */
	194	+ public function has_instant_check(): bool {
	195	+ return $this->get_meta_value_by_key( self::META_KEY_INSTANT_CHECK, 'no' ) === 'yes';
	196	+ }
	197	+
	198	+ /**
	199	+ * Check option negative marking has enabled.
	200	+ *
	201	+ * @return bool
	202	+ */
	203	+ public function has_negative_marking(): bool {
	204	+ return $this->get_meta_value_by_key( self::META_KEY_NEGATIVE_MARKING, 'no' ) === 'yes';
	205	+ }
	206	+
	207	+ /**
	208	+ * Check option minus skip questions has enabled.
	209	+ *
	210	+ * @return bool
	211	+ */
	212	+ public function has_minus_skip_questions(): bool {
	213	+ return $this->get_meta_value_by_key( self::META_KEY_MINUS_SKIP_QUESTIONS, 'no' ) === 'yes';
	214	+ }
	215	+
	216	+ /**
	217	+ * Check option minus skip questions has enabled.
	218	+ *
	219	+ * @return bool
	220	+ */
	221	+ public function has_show_correct_review(): bool {
	222	+ return $this->get_meta_value_by_key( self::META_KEY_SHOW_CORRECT_REVIEW, 'yes' ) === 'yes';
	223	+ }
	224	+
	225	+ /**
	226	+ * Create question and add to quiz.
	227	+ *
	228	+ * @param array $data [ question_title, question_type, question_content ]
	229	+ *
	230	+ * @return QuizQuestionModel
	231	+ * @throws Exception
	232	+ * @since 4.2.9
	233	+ * @version 1.0.1
	234	+ */
	235	+ public function create_question_and_add( array $data ): QuizQuestionModel {
	236	+ $question_title = $data['question_title'] ?? '';
	237	+ $question_type = $data['question_type'] ?? '';
	238	+ $question_content = $data['question_content'] ?? '';
	239	+ $question_options = $data['question_options'] ?? [];
	240	+
	241	+ if ( empty( $question_title ) ) {
	242	+ throw new Exception( __( 'Question title is required', 'learnpress' ) );
	243	+ }
	244	+
	245	+ if ( ! QuestionPostModel::check_type_valid( $question_type ) ) {
	246	+ throw new Exception( __( 'Invalid question type', 'learnpress' ) );
	247	+ }
	248	+
	249	+ // Create question
	250	+ $questionPostModelNew = new QuestionPostModel();
	251	+ $questionPostModelNew->post_title = $question_title;
	252	+ $questionPostModelNew->post_content = $question_content;
	253	+ $questionPostModelNew->post_status = 'publish';
	254	+ $questionPostModelNew->post_author = get_current_user_id();
	255	+ $questionPostModelNew->save();
	256	+ $questionPostModelNew->save_meta_value_by_key(
	257	+ QuestionPostModel::META_KEY_TYPE,
	258	+ $question_type
	259	+ );
	260	+
	261	+ // Get question object by type
	262	+ $questionClassName = $questionPostModelNew::get_question_obj_by_type( $question_type );
	263	+ if ( class_exists( $questionClassName ) ) {
	264	+ /**
	265	+ * @var QuestionPostModel $questionPostTyeModel
	266	+ */
	267	+ $questionPostTyeModel = new $questionClassName( $questionPostModelNew );
	268	+ if ( ! empty( $question_options ) ) {
	269	+ foreach ( $question_options as $index => $answer ) {
	270	+ $answer = array(
	271	+ 'question_id' => $questionPostTyeModel->get_id(),
	272	+ 'title' => $answer['title'],
	273	+ 'value' => $questionPostTyeModel->random_value(),
	274	+ 'is_true' => $answer['is_true'] ?? '',
	275	+ 'order' => $index + 1,
	276	+ );
	277	+
	278	+ $questionAnswerModel = new QuestionAnswerModel( $answer );
	279	+ $questionAnswerModel->save();
	280	+ $answers[ $index ]['question_answer_id'] = $questionAnswerModel->question_answer_id;
	281	+ }
	282	+ } elseif ( method_exists( $questionPostTyeModel, 'create_default_answers' ) ) {
	283	+ $questionPostTyeModel->create_default_answers();
	284	+ }
	285	+ } else {
	286	+ throw new Exception( __( 'Question type not found', 'learnpress' ) );
	287	+ }
	288	+
	289	+ $quizQuestionsDB = QuizQuestionsDB::getInstance();
	290	+ $max_order = $quizQuestionsDB->get_last_number_order( $this->get_id() );
	291	+
	292	+ // Add question to quiz
	293	+ $quizQuestionModel = new QuizQuestionModel();
	294	+ $quizQuestionModel->quiz_id = $this->get_id();
	295	+ $quizQuestionModel->question_id = $questionPostModelNew->get_id();
	296	+ $quizQuestionModel->question_order = $max_order + 1;
	297	+ $quizQuestionModel->save();
	298	+
	299	+ return $quizQuestionModel;
	300	+ }
	301	+
	302	+ /**
	303	+ * Add questions exists (from Question Bank) to quiz.
	304	+ *
	305	+ * @param array $data [ 'question_ids' => [] ]
	306	+ *
	307	+ * @throws Exception
	308	+ * @since 4.3.2
	309	+ * @version 1.0.0
	310	+ */
	311	+ public function add_questions_to_quiz( array $data ): array {
	312	+ $this->check_capabilities_update_item_course();
	313	+
	314	+ $question_ids = $data['question_ids'] ?? [];
	315	+ if ( empty( $question_ids ) ) {
	316	+ throw new Exception( __( 'Question IDs are required', 'learnpress' ) );
	317	+ }
	318	+
	319	+ $quiz_questions_added = [];
	320	+ foreach ( $question_ids as $question_id ) {
	321	+ $questionPostModel = QuestionPostModel::find( $question_id, true );
	322	+ if ( ! $questionPostModel ) {
	323	+ throw new Exception( __( 'Question not found', 'learnpress' ) );
	324	+ }
	325	+
	326	+ // Check if question already exists in quiz
	327	+ $quizQuestionModel = QuizQuestionModel::find( $this->get_id(), $question_id, true );
	328	+ if ( $quizQuestionModel ) {
	329	+ continue; // Skip if question already exists in quiz
	330	+ }
	331	+
	332	+ $quizQuestionsDB = QuizQuestionsDB::getInstance();
	333	+ $max_order = $quizQuestionsDB->get_last_number_order( $this->get_id() );
	334	+
	335	+ // Add question to quiz
	336	+ $quizQuestionModel = new QuizQuestionModel();
	337	+ $quizQuestionModel->quiz_id = $this->get_id();
	338	+ $quizQuestionModel->question_id = $question_id;
	339	+ $quizQuestionModel->question_order = $max_order + 1;
	340	+ $quizQuestionModel->save();
	341	+
	342	+ $quiz_questions_added[] = $quizQuestionModel;
	343	+ }
	344	+
	345	+ return $quiz_questions_added;
	346	+ }
	347	+
	348	+ /**
	349	+ * Update question positions in quiz.
	350	+ *
	351	+ * @param int[] $data [ 'question_ids' => [] ]
	352	+ *
	353	+ * @throws Exception
	354	+ * @since 4.3.2
	355	+ * @version 1.0.0
	356	+ */
	357	+ public function update_question_position( array $data ) {
	358	+ $this->check_capabilities_update_item_course();
	359	+
	360	+ $question_ids = $data['question_ids'] ?? [];
	361	+ if ( empty( $question_ids ) ) {
	362	+ throw new Exception( __( 'Question IDs are required', 'learnpress' ) );
	363	+ }
	364	+
	365	+ $question_ids = $data['question_ids'] ?? [];
	366	+ QuizQuestionsDB::getInstance()->update_question_position( $question_ids, $this->get_id() );
	367	+ }
	368	+
	369	+ /**
	370	+ * Remove question from quiz.
	371	+ *
	372	+ * @param int $question_id
	373	+ *
	374	+ * @throws Exception
	375	+ * @since 4.3.2
	376	+ * @version 1.0.0
	377	+ */
	378	+ public function remove_question_from_quiz( int $question_id ) {
	379	+ $this->check_capabilities_update_item_course();
	380	+
	381	+ $questionPostModel = QuestionPostModel::find( $question_id, true );
	382	+ if ( ! $questionPostModel ) {
	383	+ throw new Exception( __( 'Question not found', 'learnpress' ) );
	384	+ }
	385	+
	386	+ $quizQuestionModel = QuizQuestionModel::find( $this->get_id(), $question_id );
	387	+ if ( ! $quizQuestionModel ) {
	388	+ throw new Exception( __( 'Question not found in quiz', 'learnpress' ) );
	389	+ }
	390	+
	391	+ $quizQuestionModel->delete();
	392	+ }
	393	+
	394	+ /**
	395	+ * Check create
	396	+ *
	397	+ * @return bool
	398	+ */
	399	+ public function check_capabilities_create(): bool {
	400	+ return current_user_can( 'edit_' . LP_LESSON_CPT . 's' );
	401	+ }
	402	+
	403	+ /**
	404	+ * Check update
	405	+ *
	406	+ * @return bool
	407	+ */
	408	+ public function check_capabilities_update(): bool {
	409	+ return current_user_can( 'edit_' . LP_LESSON_CPT, $this->ID );
	410	+ }
	411	+}