learnpress / inc / course / class-lp-course-no-required-enroll.php

class-lp-course-no-required-enroll.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.2, at inc/course/class-lp-course-no-required-enroll.php

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1	<?php
2
3	/**
4	* Class LP_Course_No_Required_Enroll.
5	*
6	* @author ThimPress
7	* @package LearnPress/Classes
8	* @version 4.0.9
9	*/
10	defined( 'ABSPATH' ) \|\| exit();
11	if ( ! class_exists( 'LP_Course' ) ) {
12	class LP_Course_No_Required_Enroll {
13	public $_course;
14
15	/**
16	* LP_Course_No_Required_Enroll constructor.
17	*
18	* @editor tungnx
19	* @modify 4.1.4.1
20	*/
21	public function __construct( LP_Course $course ) {
22	$this->_course = $course;
23	}
24
25	/**
26	* Get result do quiz
27	*
28	* @param LP_Quiz $quiz
29	* @param array $answered
30	*
31	* @since 4.0.0
32	* @version 1.0.1
33	* @return array
34	*/
35	public function get_result_quiz( LP_Quiz $quiz, array $answered = [] ): array {
36	$result = array(
37	'questions' => array(),
38	'mark' => $quiz->get_mark(),
39	'user_mark' => 0,
40	'question_count' => 0,
41	'question_empty' => 0,
42	'question_answered' => 0,
43	'question_wrong' => 0,
44	'question_correct' => 0,
45	'status' => LP_ITEM_COMPLETED,
46	'result' => 0,
47	'time_spend' => 0,
48	'passing_grade' => $quiz->get_passing_grade(),
49	'answered' => array(),
50	'pass' => 0,
51	);
52
53	if ( empty( $answered ) ) {
54	return $result;
55	}
56
57	$question_ids = array_keys( $answered );
58	$result['question_count'] = count( $question_ids );
59	$questions = learn_press_rest_prepare_user_questions( $question_ids );
60
61	foreach ( $questions as $key => $question_info ) {
62	$question_id = $question_info['id'];
63	//$question = learn_press_get_question( $question_id );
64	$question = $question_info['object'];
65
66	if ( ! $question ) {
67	continue;
68	}
69
70	$point = floatval( $question->get_mark() );
71
72	$result['questions'][ $question_id ] = $question_info;
73	$result['answered'][ $question_id ] = [];
74	$result['answered'][ $question_id ]['answered'] = $answered[ $question_id ] ?? '';
75
76	if ( isset( $answered[ $question_id ] ) ) { // User's answer
77	$result['question_answered']++;
78
79	$check = $question->check( $answered[ $question_id ] );
80	if ( $check['correct'] ) {
81	$result['question_correct']++;
82	$result['user_mark'] += $point;
83
84	$result['answered'][ $question_id ]['correct'] = true;
85	$result['answered'][ $question_id ]['mark'] = $point;
86	} else {
87	if ( $quiz->get_negative_marking() ) {
88	$result['user_mark'] -= $point;
89	}
90	$result['question_wrong']++;
91
92	$result['answered'][ $question_id ]['correct'] = false;
93	$result['answered'][ $question_id ]['mark'] = 0;
94	}
95	} elseif ( ! array_key_exists( 'instant_check', $answered ) ) { // User skip question
96	if ( $quiz->get_negative_marking() && $quiz->get_minus_skip_questions() ) {
97	$result['user_mark'] -= $point;
98	}
99	$result['question_empty']++;
100
101	$result['answered'][ $question_id ]['correct'] = false;
102	$result['answered'][ $question_id ]['mark'] = 0;
103	}
104
105	$can_review_quiz = get_post_meta( $quiz->get_id(), '_lp_review', true ) === 'yes';
106	if ( $can_review_quiz && ! array_key_exists( 'instant_check', $answered ) ) {
107	$result['questions'][ $question_id ]['explanation'] = $question->get_explanation();
108	$result['questions'][ $question_id ]['options'] = learn_press_get_question_options_for_js(
109	$question,
110	array(
111	'include_is_true' => get_post_meta( $quiz->get_id(), '_lp_show_correct_review', true ) === 'yes',
112	'answer' => $answered[ $question_id ] ?? '',
113	)
114	);
115	}
116	}
117
118	if ( $result['user_mark'] < 0 ) {
119	$result['user_mark'] = 0;
120	}
121
122	if ( $result['user_mark'] > 0 && $result['mark'] > 0 ) {
123	$result['result'] = round( $result['user_mark'] * 100 / $result['mark'], 2, PHP_ROUND_HALF_DOWN );
124	}
125
126	$passing_grade = $quiz->get_data( 'passing_grade', 0 );
127	if ( $result['result'] >= $passing_grade ) {
128	$result['pass'] = 1;
129	} else {
130	$result['pass'] = 0;
131	}
132
133	return $result;
134	}
135
136	/**
137	* @param $question_id
138	* @param null $answered
139	*
140	* @return array\|false
141	*/
142	public function guest_check_question( $question_id, $answered = null ) {
143	$checked = false;
144	if ( isset( $question_id ) && isset( $answered ) ) {
145	$question = learn_press_get_question( $question_id );
146	$checked = $question->check( $answered );
147	$checked['answered'] = $answered;
148	}
149	return $checked;
150	}
151
152	/**
153	* Start quiz
154	*
155	* @param LP_Quiz $quiz
156	*
157	* @return array
158	* @throws Exception
159	* @editor tungnx
160	* @modify 4.1.4.1
161	*/
162	public function guest_start_quiz( LP_Quiz $quiz ): array {
163	$response = array(
164	'status' => 'error',
165	'message' => '',
166	);
167
168	$show_check = $quiz->get_instant_check();
169	$duration = $quiz->get_duration();
170	$show_correct_review = $quiz->get_show_correct_review();
171	$question_ids = $quiz->get_question_ids();
172	$status = LP_ITEM_STARTED;
173	$checked_questions = [];
174	$hinted_questions = [];
175	$time_remaining = $duration->get();
176
177	$questions = learn_press_rest_prepare_user_questions(
178	$question_ids,
179	array(
180	'instant_check' => $show_check,
181	'quiz_status' => $status,
182	'checked_questions' => $checked_questions,
183	'hinted_questions' => $hinted_questions,
184	'answered' => [],
185	'show_correct_review' => $show_correct_review,
186	)
187	);
188
189	$response['status'] = 'success';
190	$results['question_ids'] = $question_ids;
191	$results['questions'] = $questions;
192	$results['total_time'] = $time_remaining;
193	$results['duration'] = $duration->get();
194	$results['status'] = $status; // Must be started
195	$results['retaken'] = 0;
196	$results['attempts'] = [];
197	$results['user_item_id'] = 0;
198	$results['answered'] = [];
199	$response['results'] = $results;
200
201	return $response;
202	}
203	}
204	}
205