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4 years ago
Admin.php
4 years ago
Ajax.php
4 years ago
Assets.php
4 years ago
Course.php
4 years ago
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Post_types.php
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Private_Course_Access.php
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Q_and_A.php
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Question_Answers_List.php
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Quiz.php
4 years ago
Quiz_Attempts_List.php
4 years ago
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Student.php
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Students_List.php
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Taxonomies.php
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Template.php
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Theme_Compatibility.php
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Tools.php
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Tutor.php
4 years ago
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Tutor_Base.php
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Quiz.php
1343 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Quize class |
| 5 | * |
| 6 | * @author: themeum |
| 7 | * @author_uri: https://themeum.com |
| 8 | * @package Tutor |
| 9 | * @since v.1.0.0 |
| 10 | */ |
| 11 | |
| 12 | namespace TUTOR; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit; |
| 16 | } |
| 17 | |
| 18 | class Quiz { |
| 19 | |
| 20 | private $allowed_attributes = array( |
| 21 | 'src' => array(), |
| 22 | 'style' => array(), |
| 23 | 'class' => array(), |
| 24 | 'id' => array(), |
| 25 | 'href' => array(), |
| 26 | 'alt' => array(), |
| 27 | 'title' => array(), |
| 28 | 'type' => array(), |
| 29 | 'controls' => array(), |
| 30 | 'muted' => array(), |
| 31 | 'loop' => array(), |
| 32 | 'poster' => array(), |
| 33 | 'preload' => array(), |
| 34 | 'autoplay' => array(), |
| 35 | 'width' => array(), |
| 36 | 'height' => array(), |
| 37 | ); |
| 38 | |
| 39 | private $allowed_html = array( 'img', 'b', 'i', 'br', 'a', 'audio', 'video', 'source' ); |
| 40 | |
| 41 | public function __construct() { |
| 42 | |
| 43 | add_action( 'save_post_tutor_quiz', array( $this, 'save_quiz_meta' ) ); |
| 44 | |
| 45 | add_action( 'wp_ajax_tutor_load_quiz_builder_modal', array( $this, 'tutor_load_quiz_builder_modal' ) ); |
| 46 | add_action( 'wp_ajax_remove_quiz_from_post', array( $this, 'remove_quiz_from_post' ) ); |
| 47 | |
| 48 | add_action( 'wp_ajax_tutor_quiz_timeout', array( $this, 'tutor_quiz_timeout' ) ); |
| 49 | |
| 50 | // User take the quiz |
| 51 | add_action( 'template_redirect', array( $this, 'start_the_quiz' ) ); |
| 52 | add_action( 'template_redirect', array( $this, 'answering_quiz' ) ); |
| 53 | add_action( 'template_redirect', array( $this, 'finishing_quiz_attempt' ) ); |
| 54 | |
| 55 | add_action( 'admin_action_review_quiz_answer', array( $this, 'review_quiz_answer' ) ); |
| 56 | add_action( 'wp_ajax_review_quiz_answer', array( $this, 'review_quiz_answer' ) ); |
| 57 | add_action( 'wp_ajax_tutor_instructor_feedback', array( $this, 'tutor_instructor_feedback' ) ); // Instructor Feedback Action |
| 58 | |
| 59 | /** |
| 60 | * New Design Quiz |
| 61 | */ |
| 62 | |
| 63 | add_action( 'wp_ajax_tutor_create_quiz_and_load_modal', array( $this, 'tutor_create_quiz_and_load_modal' ) ); |
| 64 | add_action( 'wp_ajax_tutor_delete_quiz_by_id', array( $this, 'tutor_delete_quiz_by_id' ) ); |
| 65 | add_action( 'wp_ajax_tutor_quiz_builder_quiz_update', array( $this, 'tutor_quiz_builder_quiz_update' ) ); |
| 66 | add_action( 'wp_ajax_tutor_load_edit_quiz_modal', array( $this, 'tutor_load_edit_quiz_modal' ) ); |
| 67 | add_action( 'wp_ajax_tutor_quiz_builder_get_question_form', array( $this, 'tutor_quiz_builder_get_question_form' ) ); |
| 68 | add_action( 'wp_ajax_tutor_quiz_modal_update_question', array( $this, 'tutor_quiz_modal_update_question' ) ); |
| 69 | add_action( 'wp_ajax_tutor_quiz_builder_question_delete', array( $this, 'tutor_quiz_builder_question_delete' ) ); |
| 70 | add_action( 'wp_ajax_tutor_quiz_add_question_answers', array( $this, 'tutor_quiz_add_question_answers' ) ); |
| 71 | add_action( 'wp_ajax_tutor_quiz_edit_question_answer', array( $this, 'tutor_quiz_edit_question_answer' ) ); |
| 72 | add_action( 'wp_ajax_tutor_save_quiz_answer_options', array( $this, 'tutor_save_quiz_answer_options' ) ); |
| 73 | add_action( 'wp_ajax_tutor_update_quiz_answer_options', array( $this, 'tutor_update_quiz_answer_options' ) ); |
| 74 | add_action( 'wp_ajax_tutor_quiz_builder_get_answers_by_question', array( $this, 'tutor_quiz_builder_get_answers_by_question' ) ); |
| 75 | add_action( 'wp_ajax_tutor_quiz_builder_delete_answer', array( $this, 'tutor_quiz_builder_delete_answer' ) ); |
| 76 | add_action( 'wp_ajax_tutor_quiz_question_sorting', array( $this, 'tutor_quiz_question_sorting' ) ); |
| 77 | add_action( 'wp_ajax_tutor_quiz_answer_sorting', array( $this, 'tutor_quiz_answer_sorting' ) ); |
| 78 | add_action( 'wp_ajax_tutor_mark_answer_as_correct', array( $this, 'tutor_mark_answer_as_correct' ) ); |
| 79 | add_action( 'wp_ajax_tutor_quiz_modal_update_settings', array( $this, 'tutor_quiz_modal_update_settings' ) ); |
| 80 | |
| 81 | /** |
| 82 | * Frontend Stuff |
| 83 | */ |
| 84 | add_action( 'wp_ajax_tutor_render_quiz_content', array( $this, 'tutor_render_quiz_content' ) ); |
| 85 | |
| 86 | /** |
| 87 | * Quiz abandon action |
| 88 | * |
| 89 | * @since 1.9.6 |
| 90 | */ |
| 91 | add_action( 'wp_ajax_tutor_quiz_abandon', array( $this, 'tutor_quiz_abandon' ) ); |
| 92 | |
| 93 | $this->prepare_allowed_html(); |
| 94 | } |
| 95 | |
| 96 | private function prepare_allowed_html() { |
| 97 | |
| 98 | $allowed = array(); |
| 99 | |
| 100 | foreach ( $this->allowed_html as $tag ) { |
| 101 | $allowed[ $tag ] = $this->allowed_attributes; |
| 102 | } |
| 103 | |
| 104 | $this->allowed_html = $allowed; |
| 105 | } |
| 106 | |
| 107 | public function tutor_instructor_feedback() { |
| 108 | tutils()->checking_nonce(); |
| 109 | |
| 110 | $feedback = sanitize_text_field( $_POST['feedback'] ); |
| 111 | $attempt_id = (int) tutor_utils()->avalue_dot( 'attempts_id', tutor_sanitize_data( $_POST ) ); |
| 112 | |
| 113 | if ( $attempt_id && tutils()->can_user_manage( 'attempt', $attempt_id ) ) { |
| 114 | update_post_meta( $attempt_id, 'instructor_feedback', $feedback ); |
| 115 | do_action( 'tutor_quiz/attempt/submitted/feedback', $attempt_id ); |
| 116 | |
| 117 | wp_send_json_success(); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | public function save_quiz_meta( $post_ID ) { |
| 122 | if ( isset( $_POST['quiz_option'] ) ) { |
| 123 | $quiz_option = tutor_utils()->sanitize_array( $_POST['quiz_option'] ); |
| 124 | update_post_meta( $post_ID, 'tutor_quiz_option', $quiz_option ); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Tutor Quiz Builder Modal |
| 130 | */ |
| 131 | public function tutor_load_quiz_builder_modal() { |
| 132 | tutils()->checking_nonce(); |
| 133 | |
| 134 | ob_start(); |
| 135 | include tutor()->path . 'views/modal/add_quiz.php'; |
| 136 | $output = ob_get_clean(); |
| 137 | |
| 138 | wp_send_json_success( array( 'output' => $output ) ); |
| 139 | } |
| 140 | |
| 141 | public function remove_quiz_from_post() { |
| 142 | tutils()->checking_nonce(); |
| 143 | |
| 144 | global $wpdb; |
| 145 | $quiz_id = (int) tutor_utils()->avalue_dot( 'quiz_id', tutor_sanitize_data($_POST) ); |
| 146 | |
| 147 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 148 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 149 | } |
| 150 | |
| 151 | $wpdb->update( $wpdb->posts, array( 'post_parent' => 0 ), array( 'ID' => $quiz_id ) ); |
| 152 | wp_send_json_success(); |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * |
| 157 | * Start Quiz from here... |
| 158 | * |
| 159 | * @since v.1.0.0 |
| 160 | */ |
| 161 | |
| 162 | public function start_the_quiz() { |
| 163 | if ( ! isset( $_POST['tutor_action'] ) || $_POST['tutor_action'] !== 'tutor_start_quiz' ) { |
| 164 | return; |
| 165 | } |
| 166 | // Checking nonce |
| 167 | tutor_utils()->checking_nonce(); |
| 168 | |
| 169 | if ( ! is_user_logged_in() ) { |
| 170 | // TODO: need to set a view in the next version |
| 171 | die( 'Please sign in to do this operation' ); |
| 172 | } |
| 173 | |
| 174 | global $wpdb; |
| 175 | |
| 176 | $user_id = get_current_user_id(); |
| 177 | $user = get_userdata( $user_id ); |
| 178 | |
| 179 | $quiz_id = (int) sanitize_text_field( $_POST['quiz_id'] ); |
| 180 | |
| 181 | $quiz = get_post( $quiz_id ); |
| 182 | $course = tutor_utils()->get_course_by_quiz( $quiz_id ); |
| 183 | if ( empty( $course->ID ) ) { |
| 184 | die( 'There is something went wrong with course, please check if quiz attached with a course' ); |
| 185 | } |
| 186 | |
| 187 | do_action( 'tutor_quiz/start/before', $quiz_id, $user_id ); |
| 188 | |
| 189 | $date = date( 'Y-m-d H:i:s', tutor_time() ); |
| 190 | |
| 191 | $tutor_quiz_option = (array) maybe_unserialize( get_post_meta( $quiz_id, 'tutor_quiz_option', true ) ); |
| 192 | $attempts_allowed = tutor_utils()->get_quiz_option( $quiz_id, 'attempts_allowed', 0 ); |
| 193 | |
| 194 | $time_limit = tutor_utils()->get_quiz_option( $quiz_id, 'time_limit.time_value' ); |
| 195 | $time_limit_seconds = 0; |
| 196 | $time_type = 'seconds'; |
| 197 | if ( $time_limit ) { |
| 198 | $time_type = tutor_utils()->get_quiz_option( $quiz_id, 'time_limit.time_type' ); |
| 199 | |
| 200 | switch ( $time_type ) { |
| 201 | case 'seconds': |
| 202 | $time_limit_seconds = $time_limit; |
| 203 | break; |
| 204 | case 'minutes': |
| 205 | $time_limit_seconds = $time_limit * 60; |
| 206 | break; |
| 207 | case 'hours': |
| 208 | $time_limit_seconds = $time_limit * 60 * 60; |
| 209 | break; |
| 210 | case 'days': |
| 211 | $time_limit_seconds = $time_limit * 60 * 60 * 24; |
| 212 | break; |
| 213 | case 'weeks': |
| 214 | $time_limit_seconds = $time_limit * 60 * 60 * 24 * 7; |
| 215 | break; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | $max_question_allowed = tutor_utils()->max_questions_for_take_quiz( $quiz_id ); |
| 220 | $tutor_quiz_option['time_limit']['time_limit_seconds'] = $time_limit_seconds; |
| 221 | |
| 222 | $attempt_data = array( |
| 223 | 'course_id' => $course->ID, |
| 224 | 'quiz_id' => $quiz_id, |
| 225 | 'user_id' => $user_id, |
| 226 | 'total_questions' => $max_question_allowed, |
| 227 | 'total_answered_questions' => 0, |
| 228 | 'attempt_info' => maybe_serialize( $tutor_quiz_option ), |
| 229 | 'attempt_status' => 'attempt_started', |
| 230 | 'attempt_ip' => tutor_utils()->get_ip(), |
| 231 | 'attempt_started_at' => $date, |
| 232 | ); |
| 233 | |
| 234 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_data ); |
| 235 | $attempt_id = (int) $wpdb->insert_id; |
| 236 | |
| 237 | do_action( 'tutor_quiz/start/after', $quiz_id, $user_id, $attempt_id ); |
| 238 | |
| 239 | wp_redirect( get_permalink( $quiz_id ) ); |
| 240 | die(); |
| 241 | } |
| 242 | |
| 243 | public function answering_quiz() { |
| 244 | |
| 245 | if ( tutils()->array_get( 'tutor_action', $_POST ) !== 'tutor_answering_quiz_question' ) { |
| 246 | return; |
| 247 | } |
| 248 | // submit quiz attempts |
| 249 | self::tutor_quiz_attemp_submit(); |
| 250 | |
| 251 | wp_redirect( get_the_permalink() ); |
| 252 | die(); |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Quiz abandon submission handler |
| 257 | * |
| 258 | * @return JSON response |
| 259 | * |
| 260 | * @since 1.9.6 |
| 261 | */ |
| 262 | public function tutor_quiz_abandon() { |
| 263 | if ( tutils()->array_get( 'tutor_action', $_POST ) !== 'tutor_answering_quiz_question' ) { |
| 264 | return; |
| 265 | } |
| 266 | // submit quiz attempts |
| 267 | if ( self::tutor_quiz_attemp_submit() ) { |
| 268 | wp_send_json_success(); |
| 269 | } else { |
| 270 | wp_send_json_error(); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * This is a unified method for handling normal quiz submit or abandon submit |
| 276 | * |
| 277 | * It will handle ajax or normal form submit and can be used with different hooks |
| 278 | * |
| 279 | * @return true | false |
| 280 | * |
| 281 | * @since 1.9.6 |
| 282 | */ |
| 283 | public static function tutor_quiz_attemp_submit() { |
| 284 | tutor_utils()->checking_nonce(); |
| 285 | |
| 286 | $attempt_id = (int) sanitize_text_field( tutor_utils()->avalue_dot( 'attempt_id', $_POST ) ); |
| 287 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 288 | $course_id = tutor_utils()->get_course_by_quiz( $attempt->quiz_id )->ID; |
| 289 | |
| 290 | $attempt_answers = isset( $_POST['attempt'] ) ? tutor_sanitize_data( $_POST['attempt'] ) : false; |
| 291 | if ( ! is_user_logged_in() ) { |
| 292 | die( 'Please sign in to do this operation' ); |
| 293 | } |
| 294 | |
| 295 | global $wpdb; |
| 296 | $user_id = get_current_user_id(); |
| 297 | |
| 298 | do_action( 'tutor_quiz/attempt_analysing/before', $attempt_id ); |
| 299 | |
| 300 | if ( $attempt_answers && is_array( $attempt_answers ) && count( $attempt_answers ) ) { |
| 301 | foreach ( $attempt_answers as $attempt_id => $attempt_answer ) { |
| 302 | |
| 303 | /** |
| 304 | * Get total marks of all question comes |
| 305 | */ |
| 306 | $question_ids = tutor_utils()->avalue_dot( 'quiz_question_ids', $attempt_answer ); |
| 307 | if ( is_array( $question_ids ) && count( $question_ids ) ) { |
| 308 | $question_ids_string = "'" . implode( "','", $question_ids ) . "'"; |
| 309 | $total_question_marks = $wpdb->get_var( "SELECT SUM(question_mark) FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id IN({$question_ids_string}) ;" ); |
| 310 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', array( 'total_marks' => $total_question_marks ), array( 'attempt_id' => $attempt_id ) ); |
| 311 | } |
| 312 | |
| 313 | if ( ! $attempt || $user_id != $attempt->user_id ) { |
| 314 | die( 'Operation not allowed, attempt not found or permission denied' ); |
| 315 | } |
| 316 | |
| 317 | $quiz_answers = tutor_utils()->avalue_dot( 'quiz_question', $attempt_answer ); |
| 318 | |
| 319 | $total_marks = 0; |
| 320 | $review_required = false; |
| 321 | |
| 322 | if ( tutils()->count( $quiz_answers ) ) { |
| 323 | |
| 324 | foreach ( $quiz_answers as $question_id => $answers ) { |
| 325 | $question = tutor_utils()->get_quiz_question_by_id( $question_id ); |
| 326 | $question_type = $question->question_type; |
| 327 | |
| 328 | $is_answer_was_correct = false; |
| 329 | $given_answer = ''; |
| 330 | |
| 331 | if ( $question_type === 'true_false' || $question_type === 'single_choice' ) { |
| 332 | |
| 333 | if ( ! is_numeric( $answers ) || ! $answers ) { |
| 334 | wp_send_json_error(); |
| 335 | exit; |
| 336 | } |
| 337 | |
| 338 | $given_answer = $answers; |
| 339 | $is_answer_was_correct = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT is_correct FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = %d ", $answers ) ); |
| 340 | |
| 341 | } elseif ( $question_type === 'multiple_choice' ) { |
| 342 | |
| 343 | $given_answer = (array) ( $answers ); |
| 344 | |
| 345 | $given_answer = array_filter( |
| 346 | $given_answer, |
| 347 | function( $id ) { |
| 348 | return is_numeric( $id ) && $id > 0; |
| 349 | } |
| 350 | ); |
| 351 | |
| 352 | $get_original_answers = (array) $wpdb->get_col( |
| 353 | $wpdb->prepare( |
| 354 | "SELECT |
| 355 | answer_id |
| 356 | FROM |
| 357 | {$wpdb->prefix}tutor_quiz_question_answers |
| 358 | WHERE |
| 359 | belongs_question_id = %d |
| 360 | AND belongs_question_type = %s |
| 361 | AND is_correct = 1 ; |
| 362 | ", |
| 363 | $question->question_id, |
| 364 | $question_type |
| 365 | ) |
| 366 | ); |
| 367 | |
| 368 | if ( count( array_diff( $get_original_answers, $given_answer ) ) === 0 && count( $get_original_answers ) === count( $given_answer ) ) { |
| 369 | $is_answer_was_correct = true; |
| 370 | } |
| 371 | $given_answer = maybe_serialize( $answers ); |
| 372 | |
| 373 | } elseif ( $question_type === 'fill_in_the_blank' ) { |
| 374 | |
| 375 | $given_answer = (array) array_map( 'sanitize_text_field', $answers ); |
| 376 | $given_answer = maybe_serialize( $given_answer ); |
| 377 | |
| 378 | $get_original_answer = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = %d AND belongs_question_type = %s ;", $question->question_id, $question_type ) ); |
| 379 | $gap_answer = (array) explode( '|', $get_original_answer->answer_two_gap_match ); |
| 380 | |
| 381 | $gap_answer = array_map( 'sanitize_text_field', $gap_answer ); |
| 382 | if ( strtolower( $given_answer ) == strtolower( maybe_serialize( $gap_answer ) ) ) { |
| 383 | $is_answer_was_correct = true; |
| 384 | } |
| 385 | } elseif ( $question_type === 'open_ended' || $question_type === 'short_answer' ) { |
| 386 | $review_required = true; |
| 387 | $given_answer = wp_kses_post( $answers ); |
| 388 | |
| 389 | } elseif ( $question_type === 'ordering' || $question_type === 'matching' || $question_type === 'image_matching' ) { |
| 390 | |
| 391 | $given_answer = (array) array_map( 'sanitize_text_field', tutor_utils()->avalue_dot( 'answers', $answers ) ); |
| 392 | $given_answer = maybe_serialize( $given_answer ); |
| 393 | |
| 394 | $get_original_answers = (array) $wpdb->get_col( |
| 395 | $wpdb->prepare( |
| 396 | "SELECT answer_id |
| 397 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 398 | WHERE belongs_question_id = %d AND belongs_question_type = %s ORDER BY answer_order ASC ;", |
| 399 | $question->question_id, |
| 400 | $question_type |
| 401 | ) |
| 402 | ); |
| 403 | |
| 404 | $get_original_answers = array_map( 'sanitize_text_field', $get_original_answers ); |
| 405 | |
| 406 | if ( $given_answer == maybe_serialize( $get_original_answers ) ) { |
| 407 | $is_answer_was_correct = true; |
| 408 | } |
| 409 | } elseif ( $question_type === 'image_answering' ) { |
| 410 | $image_inputs = tutor_utils()->avalue_dot( 'answer_id', $answers ); |
| 411 | $image_inputs = (array) array_map( 'sanitize_text_field', $image_inputs ); |
| 412 | $given_answer = maybe_serialize( $image_inputs ); |
| 413 | $is_answer_was_correct = false; |
| 414 | |
| 415 | $db_answer = $wpdb->get_col( |
| 416 | $wpdb->prepare( |
| 417 | "SELECT answer_title |
| 418 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 419 | WHERE belongs_question_id = %d AND belongs_question_type = 'image_answering' ORDER BY answer_order asc ;", |
| 420 | $question_id |
| 421 | ) |
| 422 | ); |
| 423 | |
| 424 | if ( is_array( $db_answer ) && count( $db_answer ) ) { |
| 425 | $is_answer_was_correct = ( strtolower( maybe_serialize( array_values( $image_inputs ) ) ) == strtolower( maybe_serialize( $db_answer ) ) ); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | $question_mark = $is_answer_was_correct ? $question->question_mark : 0; |
| 430 | $total_marks += $question_mark; |
| 431 | |
| 432 | $answers_data = array( |
| 433 | 'user_id' => $user_id, |
| 434 | 'quiz_id' => $attempt->quiz_id, |
| 435 | 'question_id' => $question_id, |
| 436 | 'quiz_attempt_id' => $attempt_id, |
| 437 | 'given_answer' => $given_answer, |
| 438 | 'question_mark' => $question->question_mark, |
| 439 | 'achieved_mark' => $question_mark, |
| 440 | 'minus_mark' => 0, |
| 441 | 'is_correct' => $is_answer_was_correct ? 1 : 0, |
| 442 | ); |
| 443 | |
| 444 | /* |
| 445 | check if question_type open ended or short ans the set is_correct default value null before saving |
| 446 | */ |
| 447 | if ( $question_type === 'open_ended' || $question_type === 'short_answer' ) { |
| 448 | $answers_data['is_correct'] = null; |
| 449 | } |
| 450 | |
| 451 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answers_data ); |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | $attempt_info = array( |
| 456 | 'total_answered_questions' => tutils()->count( $quiz_answers ), |
| 457 | 'earned_marks' => $total_marks, |
| 458 | 'attempt_status' => 'attempt_ended', |
| 459 | 'attempt_ended_at' => date( 'Y-m-d H:i:s', tutor_time() ), |
| 460 | ); |
| 461 | |
| 462 | if ( $review_required ) { |
| 463 | $attempt_info['attempt_status'] = 'review_required'; |
| 464 | } |
| 465 | |
| 466 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_info, array( 'attempt_id' => $attempt_id ) ); |
| 467 | } |
| 468 | |
| 469 | do_action( 'tutor_quiz/attempt_ended', $attempt_id, $course_id, $user_id ); |
| 470 | return true; |
| 471 | } |
| 472 | return false; |
| 473 | } |
| 474 | |
| 475 | |
| 476 | /** |
| 477 | * Quiz attempt will be finish here |
| 478 | */ |
| 479 | |
| 480 | public function finishing_quiz_attempt() { |
| 481 | |
| 482 | if ( ! isset( $_POST['tutor_action'] ) || $_POST['tutor_action'] !== 'tutor_finish_quiz_attempt' ) { |
| 483 | return; |
| 484 | } |
| 485 | // Checking nonce |
| 486 | tutor_utils()->checking_nonce(); |
| 487 | |
| 488 | if ( ! is_user_logged_in() ) { |
| 489 | die( 'Please sign in to do this operation' ); |
| 490 | } |
| 491 | |
| 492 | global $wpdb; |
| 493 | |
| 494 | $quiz_id = (int) sanitize_text_field( $_POST['quiz_id'] ); |
| 495 | $attempt = tutor_utils()->is_started_quiz( $quiz_id ); |
| 496 | $attempt_id = $attempt->attempt_id; |
| 497 | |
| 498 | $attempt_info = array( |
| 499 | 'total_answered_questions' => 0, |
| 500 | 'earned_marks' => 0, |
| 501 | 'attempt_status' => 'attempt_ended', |
| 502 | 'attempt_ended_at' => date( 'Y-m-d H:i:s', tutor_time() ), |
| 503 | ); |
| 504 | |
| 505 | do_action( 'tutor_quiz_before_finish', $attempt_id, $quiz_id, $attempt->user_id ); |
| 506 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_info, array( 'attempt_id' => $attempt_id ) ); |
| 507 | do_action( 'tutor_quiz_finished', $attempt_id, $quiz_id, $attempt->user_id ); |
| 508 | |
| 509 | wp_redirect( tutor_utils()->input_old( '_wp_http_referer' ) ); |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * Quiz timeout by ajax |
| 514 | */ |
| 515 | public function tutor_quiz_timeout() { |
| 516 | tutils()->checking_nonce(); |
| 517 | |
| 518 | global $wpdb; |
| 519 | |
| 520 | $quiz_id = (int) sanitize_text_field( $_POST['quiz_id'] ); |
| 521 | |
| 522 | // if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 523 | // wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 524 | // } |
| 525 | |
| 526 | $attempt = tutor_utils()->is_started_quiz( $quiz_id ); |
| 527 | |
| 528 | if ( $attempt ) { |
| 529 | $attempt_id = $attempt->attempt_id; |
| 530 | |
| 531 | $data = array( |
| 532 | 'attempt_status' => 'attempt_timeout', |
| 533 | 'attempt_ended_at' => date( 'Y-m-d H:i:s', tutor_time() ), |
| 534 | ); |
| 535 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $data, array( 'attempt_id' => $attempt->attempt_id ) ); |
| 536 | |
| 537 | do_action( 'tutor_quiz_timeout', $attempt_id, $quiz_id, $attempt->user_id ); |
| 538 | |
| 539 | wp_send_json_success(); |
| 540 | } |
| 541 | |
| 542 | wp_send_json_error( __( 'Quiz has been timeout already', 'tutor' ) ); |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Review the answer and change individual answer result |
| 547 | */ |
| 548 | |
| 549 | public function review_quiz_answer() { |
| 550 | |
| 551 | tutils()->checking_nonce( strtolower( $_SERVER['REQUEST_METHOD'] ) ); |
| 552 | |
| 553 | global $wpdb; |
| 554 | |
| 555 | $attempt_id = (int) sanitize_text_field( $_GET['attempt_id'] ); |
| 556 | $attempt_answer_id = (int) sanitize_text_field( $_GET['attempt_answer_id'] ); |
| 557 | $mark_as = sanitize_text_field( $_GET['mark_as'] ); |
| 558 | |
| 559 | if ( ! tutils()->can_user_manage( 'attempt', $attempt_id ) || ! tutils()->can_user_manage( 'attempt_answer', $attempt_answer_id ) ) { |
| 560 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 561 | } |
| 562 | |
| 563 | $attempt_answer = $wpdb->get_row( |
| 564 | $wpdb->prepare( |
| 565 | "SELECT * FROM {$wpdb->prefix}tutor_quiz_attempt_answers |
| 566 | WHERE attempt_answer_id = %d ", |
| 567 | $attempt_answer_id |
| 568 | ) |
| 569 | ); |
| 570 | |
| 571 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 572 | $question = tutils()->get_quiz_question_by_id( $attempt_answer->question_id ); |
| 573 | $course_id = $attempt->course_id; |
| 574 | $student_id = $attempt->user_id; |
| 575 | $previous_ans = $attempt_answer->is_correct; |
| 576 | |
| 577 | do_action( 'tutor_quiz_review_answer_before', $attempt_answer_id, $attempt_id, $mark_as ); |
| 578 | |
| 579 | if ( $mark_as === 'correct' ) { |
| 580 | |
| 581 | $answer_update_data = array( |
| 582 | 'achieved_mark' => $attempt_answer->question_mark, |
| 583 | 'is_correct' => 1, |
| 584 | ); |
| 585 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answer_update_data, array( 'attempt_answer_id' => $attempt_answer_id ) ); |
| 586 | if ( $previous_ans == 0 or $previous_ans == null ) { |
| 587 | |
| 588 | // if previous answer was wrong or in review then add point as correct |
| 589 | $attempt_update_data = array( |
| 590 | 'earned_marks' => $attempt->earned_marks + $attempt_answer->question_mark, |
| 591 | 'is_manually_reviewed' => 1, |
| 592 | 'manually_reviewed_at' => date( 'Y-m-d H:i:s', tutor_time() ), |
| 593 | ); |
| 594 | |
| 595 | } |
| 596 | |
| 597 | if ( $question->question_type === 'open_ended' || $question->question_type === 'short_answer' ) { |
| 598 | $attempt_update_data['attempt_status'] = 'attempt_ended'; |
| 599 | } |
| 600 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_update_data, array( 'attempt_id' => $attempt_id ) ); |
| 601 | } elseif ( $mark_as === 'incorrect' ) { |
| 602 | |
| 603 | $answer_update_data = array( |
| 604 | 'achieved_mark' => '0.00', |
| 605 | 'is_correct' => 0, |
| 606 | ); |
| 607 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answer_update_data, array( 'attempt_answer_id' => $attempt_answer_id ) ); |
| 608 | |
| 609 | if ( $previous_ans == 1 ) { |
| 610 | |
| 611 | // if previous ans was right then mynus |
| 612 | $attempt_update_data = array( |
| 613 | 'earned_marks' => $attempt->earned_marks - $attempt_answer->question_mark, |
| 614 | 'is_manually_reviewed' => 1, |
| 615 | 'manually_reviewed_at' => date( 'Y-m-d H:i:s', tutor_time() ), |
| 616 | ); |
| 617 | |
| 618 | } |
| 619 | if ( $question->question_type === 'open_ended' || $question->question_type === 'short_answer' ) { |
| 620 | $attempt_update_data['attempt_status'] = 'attempt_ended'; |
| 621 | } |
| 622 | |
| 623 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_update_data, array( 'attempt_id' => $attempt_id ) ); |
| 624 | } |
| 625 | do_action( 'tutor_quiz_review_answer_after', $attempt_answer_id, $attempt_id, $mark_as ); |
| 626 | do_action( 'tutor_quiz/answer/review/after', $attempt_answer_id, $course_id, $student_id ); |
| 627 | |
| 628 | if ( wp_doing_ajax() ) { |
| 629 | wp_send_json_success(); |
| 630 | } else { |
| 631 | wp_redirect( admin_url( 'admin.php?page=tutor_quiz_attempts&sub_page=view_attempt&attempt_id=' . $attempt_id ) ); |
| 632 | } |
| 633 | |
| 634 | die(); |
| 635 | } |
| 636 | |
| 637 | |
| 638 | /** |
| 639 | * New Design Quiz |
| 640 | */ |
| 641 | public function tutor_create_quiz_and_load_modal() { |
| 642 | tutils()->checking_nonce(); |
| 643 | |
| 644 | $topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 645 | $quiz_title = sanitize_text_field( $_POST['quiz_title'] ); |
| 646 | $quiz_description = wp_kses( $_POST['quiz_description'], $this->allowed_html ); |
| 647 | $next_order_id = tutor_utils()->get_next_course_content_order_id( $topic_id ); |
| 648 | |
| 649 | if ( ! tutils()->can_user_manage( 'topic', $topic_id ) ) { |
| 650 | wp_send_json_error( |
| 651 | array( |
| 652 | 'message' => __( 'Access Denied', 'tutor' ), |
| 653 | 'data' => tutor_sanitize_data($_POST), |
| 654 | ) |
| 655 | ); |
| 656 | } |
| 657 | |
| 658 | $post_arr = array( |
| 659 | 'post_type' => 'tutor_quiz', |
| 660 | 'post_title' => $quiz_title, |
| 661 | 'post_content' => $quiz_description, |
| 662 | 'post_status' => 'publish', |
| 663 | 'post_author' => get_current_user_id(), |
| 664 | 'post_parent' => $topic_id, |
| 665 | 'menu_order' => $next_order_id, |
| 666 | ); |
| 667 | $quiz_id = wp_insert_post( $post_arr ); |
| 668 | do_action( 'tutor_initial_quiz_created', $quiz_id ); |
| 669 | |
| 670 | ob_start(); |
| 671 | include tutor()->path . 'views/modal/edit_quiz.php'; |
| 672 | $output = ob_get_clean(); |
| 673 | |
| 674 | ob_start(); |
| 675 | ?> |
| 676 | <div id="tutor-quiz-<?php echo esc_attr( $quiz_id ); ?>" class="course-content-item tutor-quiz tutor-quiz-<?php echo $quiz_id; ?>"> |
| 677 | <div class="tutor-lesson-top"> |
| 678 | <i class="tutor-icon-move"></i> |
| 679 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; ?>"> |
| 680 | <i class=" tutor-icon-doubt"></i>[<?php _e( 'QUIZ', 'tutor' ); ?>] |
| 681 | <?php echo stripslashes( $quiz_title ); ?> |
| 682 | </a> |
| 683 | <?php do_action( 'tutor_course_builder_before_quiz_btn_action', $quiz_id ); ?> |
| 684 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 685 | </div> |
| 686 | </div> |
| 687 | <?php |
| 688 | $output_quiz_row = ob_get_clean(); |
| 689 | |
| 690 | wp_send_json_success( |
| 691 | array( |
| 692 | 'output' => $output, |
| 693 | 'output_quiz_row' => $output_quiz_row, |
| 694 | ) |
| 695 | ); |
| 696 | } |
| 697 | |
| 698 | public function tutor_delete_quiz_by_id() { |
| 699 | tutils()->checking_nonce(); |
| 700 | |
| 701 | global $wpdb; |
| 702 | |
| 703 | $quiz_id = (int) sanitize_text_field( $_POST['quiz_id'] ); |
| 704 | $post = get_post( $quiz_id ); |
| 705 | |
| 706 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 707 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 708 | } |
| 709 | |
| 710 | if ( $post->post_type === 'tutor_quiz' ) { |
| 711 | do_action( 'tutor_delete_quiz_before', $quiz_id ); |
| 712 | |
| 713 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempts', array( 'quiz_id' => $quiz_id ) ); |
| 714 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempt_answers', array( 'quiz_id' => $quiz_id ) ); |
| 715 | |
| 716 | $questions_ids = $wpdb->get_col( $wpdb->prepare( "SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = %d ", $quiz_id ) ); |
| 717 | |
| 718 | if ( is_array( $questions_ids ) && count( $questions_ids ) ) { |
| 719 | $in_question_ids = "'" . implode( "','", $questions_ids ) . "'"; |
| 720 | $wpdb->query( "DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) " ); |
| 721 | } |
| 722 | |
| 723 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_questions', array( 'quiz_id' => $quiz_id ) ); |
| 724 | |
| 725 | wp_delete_post( $quiz_id, true ); |
| 726 | delete_post_meta( $quiz_id, '_tutor_course_id_for_lesson' ); |
| 727 | |
| 728 | do_action( 'tutor_delete_quiz_after', $quiz_id ); |
| 729 | |
| 730 | wp_send_json_success(); |
| 731 | } |
| 732 | |
| 733 | wp_send_json_error(); |
| 734 | } |
| 735 | |
| 736 | /** |
| 737 | * Update Quiz from quiz builder modal |
| 738 | * |
| 739 | * @since v.1.0.0 |
| 740 | */ |
| 741 | public function tutor_quiz_builder_quiz_update() { |
| 742 | tutils()->checking_nonce(); |
| 743 | |
| 744 | $quiz_id = sanitize_text_field( $_POST['quiz_id'] ); |
| 745 | $topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 746 | $quiz_title = sanitize_text_field( $_POST['quiz_title'] ); |
| 747 | $quiz_description = wp_kses( $_POST['quiz_description'], $this->allowed_html ); |
| 748 | |
| 749 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 750 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 751 | } |
| 752 | |
| 753 | $post_arr = array( |
| 754 | 'ID' => $quiz_id, |
| 755 | 'post_title' => $quiz_title, |
| 756 | 'post_content' => $quiz_description, |
| 757 | |
| 758 | ); |
| 759 | $quiz_id = wp_update_post( $post_arr ); |
| 760 | |
| 761 | do_action( 'tutor_quiz_updated', $quiz_id ); |
| 762 | |
| 763 | ob_start(); |
| 764 | ?> |
| 765 | <div class="tutor-lesson-top"> |
| 766 | <i class="tutor-icon-move"></i> |
| 767 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo esc_attr( $quiz_id ); ?>" data-topic-id="<?php echo esc_attr( $topic_id ); ?>"> |
| 768 | <i class=" tutor-icon-doubt"></i>[<?php _e( 'QUIZ', 'tutor' ); ?>] |
| 769 | <?php echo stripslashes( $quiz_title ); ?> |
| 770 | </a> |
| 771 | <?php do_action( 'tutor_course_builder_before_quiz_btn_action', $quiz_id ); ?> |
| 772 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo esc_attr( $quiz_id ); ?>"><i class="tutor-icon-garbage"></i></a> |
| 773 | </div> |
| 774 | <?php |
| 775 | $output_quiz_row = ob_get_clean(); |
| 776 | |
| 777 | wp_send_json_success( array( 'output_quiz_row' => $output_quiz_row ) ); |
| 778 | } |
| 779 | |
| 780 | /** |
| 781 | * Load quiz Modal for edit quiz |
| 782 | * |
| 783 | * @since v.1.0.0 |
| 784 | */ |
| 785 | public function tutor_load_edit_quiz_modal() { |
| 786 | tutils()->checking_nonce(); |
| 787 | |
| 788 | $quiz_id = sanitize_text_field( $_POST['quiz_id'] ); |
| 789 | $topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 790 | |
| 791 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 792 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 793 | } |
| 794 | |
| 795 | ob_start(); |
| 796 | include tutor()->path . 'views/modal/edit_quiz.php'; |
| 797 | $output = ob_get_clean(); |
| 798 | |
| 799 | wp_send_json_success( array( 'output' => $output ) ); |
| 800 | } |
| 801 | |
| 802 | /** |
| 803 | * Load quiz question form for quiz |
| 804 | * |
| 805 | * @since v.1.0.0 |
| 806 | */ |
| 807 | public function tutor_quiz_builder_get_question_form() { |
| 808 | tutils()->checking_nonce(); |
| 809 | |
| 810 | global $wpdb; |
| 811 | $quiz_id = sanitize_text_field( $_POST['quiz_id'] ); |
| 812 | $question_id = sanitize_text_field( tutor_utils()->avalue_dot( 'question_id', $_POST ) ); |
| 813 | |
| 814 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 815 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 816 | } |
| 817 | |
| 818 | if ( ! $question_id ) { |
| 819 | $next_question_id = tutor_utils()->quiz_next_question_id(); |
| 820 | $next_question_order = tutor_utils()->quiz_next_question_order_id( $quiz_id ); |
| 821 | |
| 822 | $new_question_data = array( |
| 823 | 'quiz_id' => $quiz_id, |
| 824 | 'question_title' => __( 'Question', 'tutor' ) . ' ' . $next_question_id, |
| 825 | 'question_description' => '', |
| 826 | 'question_type' => 'true_false', |
| 827 | 'question_mark' => 1, |
| 828 | 'question_settings' => maybe_serialize( array() ), |
| 829 | 'question_order' => esc_sql( $next_question_order ), |
| 830 | ); |
| 831 | |
| 832 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_questions', $new_question_data ); |
| 833 | $question_id = $wpdb->insert_id; |
| 834 | } |
| 835 | |
| 836 | $question = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_questions where question_id = %d ", $question_id ) ); |
| 837 | |
| 838 | ob_start(); |
| 839 | include tutor()->path . 'views/modal/question_form.php'; |
| 840 | $output = ob_get_clean(); |
| 841 | |
| 842 | wp_send_json_success( array( 'output' => $output ) ); |
| 843 | } |
| 844 | |
| 845 | public function tutor_quiz_modal_update_question() { |
| 846 | tutils()->checking_nonce(); |
| 847 | |
| 848 | global $wpdb; |
| 849 | |
| 850 | $question_data = tutor_sanitize_data( $_POST['tutor_quiz_question'] ); |
| 851 | |
| 852 | foreach ( $question_data as $question_id => $question ) { |
| 853 | |
| 854 | if ( ! tutils()->can_user_manage( 'question', $question_id ) ) { |
| 855 | continue; |
| 856 | } |
| 857 | |
| 858 | $question_title = sanitize_text_field( $question['question_title'] ); |
| 859 | $question_description = wp_kses( $question['question_description'], $this->allowed_html ); // sanitize_text_field($question['question_description']); |
| 860 | $question_type = sanitize_text_field( $question['question_type'] ); |
| 861 | $question_mark = sanitize_text_field( $question['question_mark'] ); |
| 862 | |
| 863 | unset( $question['question_title'] ); |
| 864 | unset( $question['question_description'] ); |
| 865 | |
| 866 | $data = array( |
| 867 | 'question_title' => $question_title, |
| 868 | 'question_description' => $question_description, |
| 869 | 'question_type' => $question_type, |
| 870 | 'question_mark' => $question_mark, |
| 871 | 'question_settings' => maybe_serialize( $question ), |
| 872 | ); |
| 873 | |
| 874 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_questions', $data, array( 'question_id' => $question_id ) ); |
| 875 | |
| 876 | /** |
| 877 | * Validation |
| 878 | */ |
| 879 | if ( $question_type === 'true_false' || $question_type === 'single_choice' ) { |
| 880 | $question_options = tutils()->get_answers_by_quiz_question( $question_id ); |
| 881 | if ( tutils()->count( $question_options ) ) { |
| 882 | $required_validate = true; |
| 883 | foreach ( $question_options as $question_option ) { |
| 884 | if ( $question_option->is_correct ) { |
| 885 | $required_validate = false; |
| 886 | } |
| 887 | } |
| 888 | if ( $required_validate ) { |
| 889 | $validation_msg = "<p class='tutor-error-msg'>" . __( 'Please select the correct answer', 'tutor' ) . '</p>'; |
| 890 | wp_send_json_error( array( 'validation_msg' => $validation_msg ) ); |
| 891 | } |
| 892 | } else { |
| 893 | $validation_msg = "<p class='tutor-error-msg'>" . __( 'Please make sure you have added more than one option and saved them', 'tutor' ) . '</p>'; |
| 894 | wp_send_json_error( array( 'validation_msg' => $validation_msg ) ); |
| 895 | } |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | wp_send_json_success(); |
| 900 | } |
| 901 | |
| 902 | public function tutor_quiz_builder_question_delete() { |
| 903 | tutils()->checking_nonce(); |
| 904 | |
| 905 | global $wpdb; |
| 906 | |
| 907 | $question_id = sanitize_text_field( tutor_utils()->avalue_dot( 'question_id', $_POST ) ); |
| 908 | |
| 909 | if ( ! tutils()->can_user_manage( 'question', $question_id ) ) { |
| 910 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 911 | } |
| 912 | |
| 913 | if ( $question_id ) { |
| 914 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_questions', array( 'question_id' => esc_sql( $question_id ) ) ); |
| 915 | } |
| 916 | |
| 917 | wp_send_json_success(); |
| 918 | } |
| 919 | |
| 920 | /** |
| 921 | * Get answers options form for quiz question |
| 922 | * |
| 923 | * @since v.1.0.0 |
| 924 | */ |
| 925 | public function tutor_quiz_add_question_answers() { |
| 926 | tutils()->checking_nonce(); |
| 927 | |
| 928 | $question_id = sanitize_text_field( $_POST['question_id'] ); |
| 929 | $question = tutor_utils()->avalue_dot( $question_id, $_POST['tutor_quiz_question'] ); |
| 930 | $question_type = $question['question_type']; |
| 931 | |
| 932 | if ( ! tutils()->can_user_manage( 'question', $question_id ) ) { |
| 933 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 934 | } |
| 935 | |
| 936 | ob_start(); |
| 937 | include tutor()->path . 'views/modal/question_answer_form.php'; |
| 938 | $output = ob_get_clean(); |
| 939 | |
| 940 | wp_send_json_success( array( 'output' => $output ) ); |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * Edit Answer Form |
| 945 | * |
| 946 | * @since v.1.0.0 |
| 947 | */ |
| 948 | public function tutor_quiz_edit_question_answer() { |
| 949 | tutils()->checking_nonce(); |
| 950 | |
| 951 | $answer_id = (int) sanitize_text_field( $_POST['answer_id'] ); |
| 952 | |
| 953 | if ( ! tutils()->can_user_manage( 'quiz_answer', $answer_id ) ) { |
| 954 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 955 | } |
| 956 | |
| 957 | $old_answer = tutor_utils()->get_answer_by_id( $answer_id ); |
| 958 | foreach ( $old_answer as $old_answer ) { |
| 959 | } |
| 960 | $question_id = $old_answer->belongs_question_id; |
| 961 | $question_type = $old_answer->belongs_question_type; |
| 962 | |
| 963 | ob_start(); |
| 964 | include tutor()->path . 'views/modal/question_answer_edit_form.php'; |
| 965 | $output = ob_get_clean(); |
| 966 | |
| 967 | wp_send_json_success( array( 'output' => $output ) ); |
| 968 | } |
| 969 | |
| 970 | public function tutor_save_quiz_answer_options() { |
| 971 | tutils()->checking_nonce(); |
| 972 | |
| 973 | global $wpdb; |
| 974 | |
| 975 | $questions = tutor_sanitize_data( $_POST['tutor_quiz_question'] ); |
| 976 | $answers = tutor_sanitize_data( $_POST['quiz_answer'] ); |
| 977 | |
| 978 | foreach ( $answers as $question_id => $answer ) { |
| 979 | |
| 980 | if ( ! tutils()->can_user_manage( 'question', $question_id ) ) { |
| 981 | continue; |
| 982 | } |
| 983 | |
| 984 | $question = tutor_utils()->avalue_dot( $question_id, $questions ); |
| 985 | $question_type = $question['question_type']; |
| 986 | |
| 987 | // Getting next sorting order |
| 988 | $next_order_id = (int) $wpdb->get_var( |
| 989 | $wpdb->prepare( |
| 990 | "SELECT MAX(answer_order) |
| 991 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 992 | where belongs_question_id = %d |
| 993 | AND belongs_question_type = %s ", |
| 994 | $question_id, |
| 995 | esc_sql( $question_type ) |
| 996 | ) |
| 997 | ); |
| 998 | |
| 999 | $next_order_id = $next_order_id + 1; |
| 1000 | |
| 1001 | if ( $question ) { |
| 1002 | if ( $question_type === 'true_false' ) { |
| 1003 | $wpdb->delete( |
| 1004 | $wpdb->prefix . 'tutor_quiz_question_answers', |
| 1005 | array( |
| 1006 | 'belongs_question_id' => $question_id, |
| 1007 | 'belongs_question_type' => $question_type, |
| 1008 | ) |
| 1009 | ); |
| 1010 | $data_true_false = array( |
| 1011 | array( |
| 1012 | 'belongs_question_id' => esc_sql( $question_id ), |
| 1013 | 'belongs_question_type' => $question_type, |
| 1014 | 'answer_title' => __( 'True', 'tutor' ), |
| 1015 | 'is_correct' => $answer['true_false'] == 'true' ? 1 : 0, |
| 1016 | 'answer_two_gap_match' => 'true', |
| 1017 | ), |
| 1018 | array( |
| 1019 | 'belongs_question_id' => esc_sql( $question_id ), |
| 1020 | 'belongs_question_type' => $question_type, |
| 1021 | 'answer_title' => __( 'False', 'tutor' ), |
| 1022 | 'is_correct' => $answer['true_false'] == 'false' ? 1 : 0, |
| 1023 | 'answer_two_gap_match' => 'false', |
| 1024 | ), |
| 1025 | ); |
| 1026 | |
| 1027 | foreach ( $data_true_false as $true_false_data ) { |
| 1028 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_question_answers', $true_false_data ); |
| 1029 | } |
| 1030 | } elseif ( $question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || |
| 1031 | $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'image_answering' ) { |
| 1032 | |
| 1033 | $answer_data = array( |
| 1034 | 'belongs_question_id' => sanitize_text_field( $question_id ), |
| 1035 | 'belongs_question_type' => $question_type, |
| 1036 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ), |
| 1037 | 'image_id' => isset( $answer['image_id'] ) ? $answer['image_id'] : 0, |
| 1038 | 'answer_view_format' => isset( $answer['answer_view_format'] ) ? $answer['answer_view_format'] : 0, |
| 1039 | 'answer_order' => $next_order_id, |
| 1040 | ); |
| 1041 | if ( isset( $answer['matched_answer_title'] ) ) { |
| 1042 | $answer_data['answer_two_gap_match'] = sanitize_text_field( $answer['matched_answer_title'] ); |
| 1043 | } |
| 1044 | |
| 1045 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_question_answers', $answer_data ); |
| 1046 | |
| 1047 | } elseif ( $question_type === 'fill_in_the_blank' ) { |
| 1048 | $wpdb->delete( |
| 1049 | $wpdb->prefix . 'tutor_quiz_question_answers', |
| 1050 | array( |
| 1051 | 'belongs_question_id' => $question_id, |
| 1052 | 'belongs_question_type' => $question_type, |
| 1053 | ) |
| 1054 | ); |
| 1055 | $answer_data = array( |
| 1056 | 'belongs_question_id' => sanitize_text_field( $question_id ), |
| 1057 | 'belongs_question_type' => $question_type, |
| 1058 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ), |
| 1059 | 'answer_two_gap_match' => isset( $answer['answer_two_gap_match'] ) ? sanitize_text_field( trim( $answer['answer_two_gap_match'] ) ) : null, |
| 1060 | ); |
| 1061 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_question_answers', $answer_data ); |
| 1062 | } |
| 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | wp_send_json_success(); |
| 1067 | } |
| 1068 | |
| 1069 | /** |
| 1070 | * Tutor Update Answer |
| 1071 | * |
| 1072 | * @since v.1.0.0 |
| 1073 | */ |
| 1074 | public function tutor_update_quiz_answer_options() { |
| 1075 | tutils()->checking_nonce(); |
| 1076 | |
| 1077 | global $wpdb; |
| 1078 | |
| 1079 | $answer_id = (int) sanitize_text_field( $_POST['tutor_quiz_answer_id'] ); |
| 1080 | |
| 1081 | if ( ! tutils()->can_user_manage( 'quiz_answer', $answer_id ) ) { |
| 1082 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1083 | } |
| 1084 | |
| 1085 | $questions = tutor_sanitize_data( $_POST['tutor_quiz_question'] ); |
| 1086 | $answers = tutor_sanitize_data( $_POST['quiz_answer'] ); |
| 1087 | |
| 1088 | foreach ( $answers as $question_id => $answer ) { |
| 1089 | $question = tutor_utils()->avalue_dot( $question_id, $questions ); |
| 1090 | $question_type = $question['question_type']; |
| 1091 | |
| 1092 | if ( $question ) { |
| 1093 | if ( $question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'fill_in_the_blank' || $question_type === 'image_answering' ) { |
| 1094 | |
| 1095 | $answer_data = array( |
| 1096 | 'belongs_question_id' => $question_id, |
| 1097 | 'belongs_question_type' => $question_type, |
| 1098 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ), |
| 1099 | 'image_id' => isset( $answer['image_id'] ) ? $answer['image_id'] : 0, |
| 1100 | 'answer_view_format' => isset( $answer['answer_view_format'] ) ? sanitize_text_field( $answer['answer_view_format'] ) : '', |
| 1101 | ); |
| 1102 | if ( isset( $answer['matched_answer_title'] ) ) { |
| 1103 | $answer_data['answer_two_gap_match'] = sanitize_text_field( $answer['matched_answer_title'] ); |
| 1104 | } |
| 1105 | |
| 1106 | if ( $question_type === 'fill_in_the_blank' ) { |
| 1107 | $answer_data['answer_two_gap_match'] = isset( $answer['answer_two_gap_match'] ) ? sanitize_text_field( trim( $answer['answer_two_gap_match'] ) ) : null; |
| 1108 | } |
| 1109 | |
| 1110 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_question_answers', $answer_data, array( 'answer_id' => $answer_id ) ); |
| 1111 | } |
| 1112 | } |
| 1113 | } |
| 1114 | |
| 1115 | // die(print_r($_POST)); |
| 1116 | wp_send_json_success(); |
| 1117 | } |
| 1118 | |
| 1119 | public function tutor_quiz_builder_get_answers_by_question() { |
| 1120 | tutils()->checking_nonce(); |
| 1121 | |
| 1122 | global $wpdb; |
| 1123 | $question_id = sanitize_text_field( $_POST['question_id'] ); |
| 1124 | $question_type = sanitize_text_field( $_POST['question_type'] ); |
| 1125 | |
| 1126 | if ( ! tutils()->can_user_manage( 'question', $question_id ) ) { |
| 1127 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1128 | } |
| 1129 | |
| 1130 | $question = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id = %d ", $question_id ) ); |
| 1131 | $answers = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers where belongs_question_id = %d AND belongs_question_type = %s order by answer_order asc ;", $question_id, esc_sql( $question_type ) ) ); |
| 1132 | |
| 1133 | ob_start(); |
| 1134 | |
| 1135 | switch ( $question_type ) { |
| 1136 | case 'true_false': |
| 1137 | echo '<label>' . __( 'Answer options & mark correct', 'tutor' ) . '</label>'; |
| 1138 | break; |
| 1139 | case 'ordering': |
| 1140 | echo '<label>' . __( 'Make sure you’re saving the answers in the right order. Students will have to match this order exactly.', 'tutor' ) . '</label>'; |
| 1141 | break; |
| 1142 | } |
| 1143 | |
| 1144 | if ( is_array( $answers ) && count( $answers ) ) { |
| 1145 | foreach ( $answers as $answer ) { |
| 1146 | ?> |
| 1147 | <div class="tutor-quiz-answer-wrap" data-answer-id="<?php echo esc_attr( $answer->answer_id ); ?>"> |
| 1148 | <div class="tutor-quiz-answer"> |
| 1149 | <span class="tutor-quiz-answer-title"> |
| 1150 | <?php |
| 1151 | echo stripslashes( $answer->answer_title ); |
| 1152 | if ( $answer->belongs_question_type === 'fill_in_the_blank' ) { |
| 1153 | echo ' (' . __( 'Answer', 'tutor' ) . ' : '; |
| 1154 | echo '<strong>' . stripslashes( $answer->answer_two_gap_match ) . '</strong>)'; |
| 1155 | } |
| 1156 | if ( $answer->belongs_question_type === 'matching' ) { |
| 1157 | echo ' - ' . stripslashes( $answer->answer_two_gap_match ); |
| 1158 | } |
| 1159 | ?> |
| 1160 | </span> |
| 1161 | |
| 1162 | <?php |
| 1163 | if ( $answer->image_id ) { |
| 1164 | echo '<span class="tutor-question-answer-image"><img src="' . wp_get_attachment_image_url( $answer->image_id ) . '" /> </span>'; |
| 1165 | } |
| 1166 | if ( $question_type === 'true_false' || $question_type === 'single_choice' ) { |
| 1167 | ?> |
| 1168 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 1169 | <input type="radio" name="mark_as_correct[<?php echo $answer->belongs_question_id; ?>]" value="<?php echo $answer->answer_id; ?>" title="<?php _e( 'Mark as correct', 'tutor' ); ?>" <?php checked( 1, $answer->is_correct ); ?> > |
| 1170 | </span> |
| 1171 | <?php |
| 1172 | } elseif ( $question_type === 'multiple_choice' ) { |
| 1173 | ?> |
| 1174 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 1175 | <input type="checkbox" name="mark_as_correct[<?php echo $answer->belongs_question_id; ?>]" value="<?php echo $answer->answer_id; ?>" title="<?php _e( 'Mark as correct', 'tutor' ); ?>" <?php checked( 1, $answer->is_correct ); ?> > |
| 1176 | </span> |
| 1177 | <?php |
| 1178 | } |
| 1179 | ?> |
| 1180 | <?php if ( 'true_false' != $question_type ) : ?> |
| 1181 | <span class="tutor-quiz-answer-edit"> |
| 1182 | <a href="javascript:;"><i class="tutor-icon-pencil"></i> </a> |
| 1183 | </span> |
| 1184 | <?php endif; ?> |
| 1185 | <span class="tutor-quiz-answer-sort-icon"><i class="tutor-icon-menu-2"></i> </span> |
| 1186 | </div> |
| 1187 | <?php if ( 'true_false' != $question_type ) : ?> |
| 1188 | <div class="tutor-quiz-answer-trash-wrap"> |
| 1189 | <a href="javascript:;" class="answer-trash-btn" data-answer-id="<?php echo esc_attr( $answer->answer_id ); ?>"><i class="tutor-icon-garbage"></i> </a> |
| 1190 | </div> |
| 1191 | <?php endif; ?> |
| 1192 | </div> |
| 1193 | <?php |
| 1194 | } |
| 1195 | } |
| 1196 | $output = ob_get_clean(); |
| 1197 | |
| 1198 | wp_send_json_success( array( 'output' => $output ) ); |
| 1199 | } |
| 1200 | |
| 1201 | public function tutor_quiz_builder_delete_answer() { |
| 1202 | tutils()->checking_nonce(); |
| 1203 | |
| 1204 | global $wpdb; |
| 1205 | $answer_id = sanitize_text_field( $_POST['answer_id'] ); |
| 1206 | |
| 1207 | if ( ! tutils()->can_user_manage( 'quiz_answer', $answer_id ) ) { |
| 1208 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1209 | } |
| 1210 | |
| 1211 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_question_answers', array( 'answer_id' => esc_sql( $answer_id ) ) ); |
| 1212 | wp_send_json_success(); |
| 1213 | } |
| 1214 | |
| 1215 | /** |
| 1216 | * Save quiz questions sorting |
| 1217 | */ |
| 1218 | public function tutor_quiz_question_sorting() { |
| 1219 | tutils()->checking_nonce(); |
| 1220 | |
| 1221 | global $wpdb; |
| 1222 | |
| 1223 | $question_ids = tutor_utils()->avalue_dot( 'sorted_question_ids', tutor_sanitize_data($_POST) ); |
| 1224 | if ( is_array( $question_ids ) && count( $question_ids ) ) { |
| 1225 | $i = 0; |
| 1226 | foreach ( $question_ids as $key => $question_id ) { |
| 1227 | if ( tutils()->can_user_manage( 'question', $question_id ) ) { |
| 1228 | $i++; |
| 1229 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_questions', array( 'question_order' => $i ), array( 'question_id' => $question_id ) ); |
| 1230 | } |
| 1231 | } |
| 1232 | } |
| 1233 | } |
| 1234 | |
| 1235 | /** |
| 1236 | * Save sorting data for quiz answers |
| 1237 | */ |
| 1238 | public function tutor_quiz_answer_sorting() { |
| 1239 | tutils()->checking_nonce(); |
| 1240 | |
| 1241 | global $wpdb; |
| 1242 | |
| 1243 | if ( ! empty( $_POST['sorted_answer_ids'] ) && is_array( $_POST['sorted_answer_ids'] ) && count( $_POST['sorted_answer_ids'] ) ) { |
| 1244 | $answer_ids = tutor_sanitize_data( $_POST['sorted_answer_ids'] ); |
| 1245 | $i = 0; |
| 1246 | foreach ( $answer_ids as $key => $answer_id ) { |
| 1247 | if ( tutils()->can_user_manage( 'quiz_answer', $answer_id ) ) { |
| 1248 | $i++; |
| 1249 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_question_answers', array( 'answer_order' => $i ), array( 'answer_id' => $answer_id ) ); |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | /** |
| 1256 | * Mark answer as correct |
| 1257 | */ |
| 1258 | |
| 1259 | public function tutor_mark_answer_as_correct() { |
| 1260 | tutils()->checking_nonce(); |
| 1261 | |
| 1262 | global $wpdb; |
| 1263 | |
| 1264 | $answer_id = sanitize_text_field( $_POST['answer_id'] ); |
| 1265 | $inputValue = sanitize_text_field( $_POST['inputValue'] ); |
| 1266 | |
| 1267 | if ( ! tutils()->can_user_manage( 'quiz_answer', $answer_id ) ) { |
| 1268 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1269 | } |
| 1270 | |
| 1271 | $answer = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = %d LIMIT 0,1 ;", $answer_id ) ); |
| 1272 | if ( $answer->belongs_question_type === 'single_choice' ) { |
| 1273 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_question_answers', array( 'is_correct' => 0 ), array( 'belongs_question_id' => esc_sql( $answer->belongs_question_id ) ) ); |
| 1274 | } |
| 1275 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_question_answers', array( 'is_correct' => esc_sql( $inputValue ) ), array( 'answer_id' => esc_sql( $answer_id ) ) ); |
| 1276 | } |
| 1277 | |
| 1278 | /** |
| 1279 | * Update quiz settings from modal |
| 1280 | * |
| 1281 | * @since : v.1.0.0 |
| 1282 | */ |
| 1283 | public function tutor_quiz_modal_update_settings() { |
| 1284 | tutils()->checking_nonce(); |
| 1285 | // while creating quiz if creating step is not follow then it may throw error that why check added |
| 1286 | $quiz_id = ( isset( $_POST['quiz_id'] ) ) ? sanitize_text_field( $_POST['quiz_id'] ) : ''; |
| 1287 | $current_topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 1288 | $course_id = tutor_utils()->get_course_id_by( 'topic', sanitize_textarea_field( $current_topic_id ) ); |
| 1289 | |
| 1290 | $quiz_option = tutor_utils()->sanitize_array( $_POST['quiz_option'] ); |
| 1291 | |
| 1292 | if ( ! tutils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 1293 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1294 | } |
| 1295 | |
| 1296 | update_post_meta( $quiz_id, 'tutor_quiz_option', $quiz_option ); |
| 1297 | do_action( 'tutor_quiz_settings_updated', $quiz_id ); |
| 1298 | |
| 1299 | // @since 1.9.6 |
| 1300 | ob_start(); |
| 1301 | include tutor()->path . 'views/metabox/course-contents.php'; |
| 1302 | $course_contents = ob_get_clean(); |
| 1303 | |
| 1304 | wp_send_json_success( array( 'course_contents' => $course_contents ) ); |
| 1305 | } |
| 1306 | |
| 1307 | |
| 1308 | // =========================// |
| 1309 | // Front end stuffs |
| 1310 | // =========================// |
| 1311 | |
| 1312 | /** |
| 1313 | * Rendering quiz for frontend |
| 1314 | * |
| 1315 | * @since v.1.0.0 |
| 1316 | */ |
| 1317 | |
| 1318 | public function tutor_render_quiz_content() { |
| 1319 | |
| 1320 | tutils()->checking_nonce(); |
| 1321 | |
| 1322 | $quiz_id = (int) sanitize_text_field( tutor_utils()->avalue_dot( 'quiz_id', $_POST ) ); |
| 1323 | |
| 1324 | if ( ! tutils()->has_enrolled_content_access( 'quiz', $quiz_id ) ) { |
| 1325 | wp_send_json_error( array( 'message' => __( 'Access Denied.', 'tutor' ) ) ); |
| 1326 | } |
| 1327 | |
| 1328 | ob_start(); |
| 1329 | global $post; |
| 1330 | |
| 1331 | $post = get_post( $quiz_id ); |
| 1332 | setup_postdata( $post ); |
| 1333 | // tutor_lesson_content(); |
| 1334 | |
| 1335 | single_quiz_contents(); |
| 1336 | wp_reset_postdata(); |
| 1337 | |
| 1338 | $html = ob_get_clean(); |
| 1339 | wp_send_json_success( array( 'html' => $html ) ); |
| 1340 | } |
| 1341 | |
| 1342 | } |
| 1343 |