BaseModel.php
9 months ago
BillingModel.php
1 year ago
CartItemModel.php
9 months ago
CartModel.php
9 months ago
CouponModel.php
7 months ago
CourseModel.php
8 months ago
LessonModel.php
9 months ago
OrderActivitiesModel.php
1 year ago
OrderItemMetaModel.php
9 months ago
OrderItemModel.php
9 months ago
OrderMetaModel.php
1 year ago
OrderModel.php
7 months ago
QuizModel.php
9 months ago
UserModel.php
1 year ago
WithdrawModel.php
1 year ago
QuizModel.php
1224 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Quiz Model |
| 4 | * |
| 5 | * @package Tutor\Models |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 2.0.10 |
| 9 | */ |
| 10 | |
| 11 | namespace Tutor\Models; |
| 12 | |
| 13 | use Tutor\Cache\TutorCache; |
| 14 | use Tutor\Helpers\QueryHelper; |
| 15 | use TUTOR\Quiz; |
| 16 | |
| 17 | /** |
| 18 | * Class QuizModel |
| 19 | * |
| 20 | * @since 2.0.10 |
| 21 | */ |
| 22 | class QuizModel { |
| 23 | |
| 24 | const ATTEMPT_STARTED = 'attempt_started'; |
| 25 | const ATTEMPT_ENDED = 'attempt_ended'; |
| 26 | const REVIEW_REQUIRED = 'review_required'; |
| 27 | const ATTEMPT_TIMEOUT = 'attempt_timeout'; |
| 28 | |
| 29 | const RESULT_PASS = 'pass'; |
| 30 | const RESULT_FAIL = 'fail'; |
| 31 | const RESULT_PENDING = 'pending'; |
| 32 | |
| 33 | /** |
| 34 | * Get quiz table name |
| 35 | * |
| 36 | * @since 2.1.0 |
| 37 | * |
| 38 | * @return string |
| 39 | */ |
| 40 | public function get_table(): string { |
| 41 | global $wpdb; |
| 42 | return $wpdb->prefix . 'tutor_quiz_attempts'; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Get manual review types. |
| 47 | * |
| 48 | * @since 3.8.0 |
| 49 | * |
| 50 | * @return array |
| 51 | */ |
| 52 | public static function get_manual_review_types() { |
| 53 | return array( 'open_ended', 'short_answer' ); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Get total number of quiz |
| 58 | * |
| 59 | * @since 2.0.2 |
| 60 | * |
| 61 | * @since 3.7.1 Course ids param added |
| 62 | * |
| 63 | * @param array $course_ids Array of course ids. |
| 64 | * |
| 65 | * @return int |
| 66 | */ |
| 67 | public static function get_total_quiz( array $course_ids = array() ) { |
| 68 | global $wpdb; |
| 69 | |
| 70 | $course_in_clause = ''; |
| 71 | if ( count( $course_ids ) ) { |
| 72 | $prepare_ids = QueryHelper::prepare_in_clause( $course_ids ); |
| 73 | $course_in_clause = "AND course.ID IN ({$prepare_ids})"; |
| 74 | } |
| 75 | |
| 76 | $sql = "SELECT COUNT(DISTINCT quiz.ID) |
| 77 | FROM {$wpdb->posts} quiz |
| 78 | INNER JOIN {$wpdb->posts} topic ON quiz.post_parent=topic.ID |
| 79 | INNER JOIN {$wpdb->posts} course ON topic.post_parent=course.ID |
| 80 | WHERE 1 = 1 |
| 81 | {$course_in_clause} |
| 82 | AND course.post_type=%s |
| 83 | AND course.post_status = 'publish' |
| 84 | AND quiz.post_type='tutor_quiz'"; |
| 85 | |
| 86 | //phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 87 | return $wpdb->get_var( $wpdb->prepare( $sql, tutor()->course_post_type ) ); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Get Attempt row by grade method settings |
| 92 | * |
| 93 | * @since 1.4.2 |
| 94 | * |
| 95 | * @param int $quiz_id quiz id. |
| 96 | * @param int $user_id user id. |
| 97 | * |
| 98 | * @return array|bool|null|object |
| 99 | */ |
| 100 | public function get_quiz_attempt( $quiz_id = 0, $user_id = 0 ) { |
| 101 | global $wpdb; |
| 102 | |
| 103 | $quiz_id = tutils()->get_post_id( $quiz_id ); |
| 104 | $user_id = tutils()->get_user_id( $user_id ); |
| 105 | |
| 106 | $attempt = false; |
| 107 | |
| 108 | $quiz_grade_method = get_tutor_option( 'quiz_grade_method', 'highest_grade' ); |
| 109 | $from_string = "FROM {$wpdb->tutor_quiz_attempts} WHERE quiz_id = %d AND user_id = %d AND attempt_status != 'attempt_started' "; |
| 110 | |
| 111 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 112 | if ( 'highest_grade' === $quiz_grade_method ) { |
| 113 | $attempt = $wpdb->get_row( $wpdb->prepare( "SELECT * {$from_string} ORDER BY earned_marks DESC LIMIT 1; ", $quiz_id, $user_id ) ); |
| 114 | } elseif ( 'average_grade' === $quiz_grade_method ) { |
| 115 | |
| 116 | $attempt = $wpdb->get_row( |
| 117 | $wpdb->prepare( |
| 118 | "SELECT {$wpdb->tutor_quiz_attempts}.*, |
| 119 | COUNT(attempt_id) AS attempt_count, |
| 120 | AVG(total_marks) AS total_marks, |
| 121 | AVG(earned_marks) AS earned_marks {$from_string} |
| 122 | ", |
| 123 | $quiz_id, |
| 124 | $user_id |
| 125 | ) |
| 126 | ); |
| 127 | } elseif ( 'first_attempt' === $quiz_grade_method ) { |
| 128 | |
| 129 | $attempt = $wpdb->get_row( $wpdb->prepare( "SELECT * {$from_string} ORDER BY attempt_id ASC LIMIT 1; ", $quiz_id, $user_id ) ); |
| 130 | } elseif ( 'last_attempt' === $quiz_grade_method ) { |
| 131 | |
| 132 | $attempt = $wpdb->get_row( $wpdb->prepare( "SELECT * {$from_string} ORDER BY attempt_id DESC LIMIT 1; ", $quiz_id, $user_id ) ); |
| 133 | } |
| 134 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 135 | |
| 136 | return $attempt; |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Get all of the attempts by an user of a quiz |
| 141 | * |
| 142 | * @since 1.0.0 |
| 143 | * |
| 144 | * @param int $quiz_id quiz ID. |
| 145 | * @param int $user_id user ID. |
| 146 | * |
| 147 | * @return array|bool|null|object |
| 148 | */ |
| 149 | public function quiz_attempts( $quiz_id = 0, $user_id = 0 ) { |
| 150 | global $wpdb; |
| 151 | |
| 152 | $quiz_id = tutor_utils()->get_post_id( $quiz_id ); |
| 153 | $user_id = tutor_utils()->get_user_id( $user_id ); |
| 154 | |
| 155 | $cache_key = "tutor_quiz_attempts_for_{$user_id}_{$quiz_id}"; |
| 156 | $attempts = TutorCache::get( $cache_key ); |
| 157 | |
| 158 | if ( false === $attempts ) { |
| 159 | $attempts = $wpdb->get_results( |
| 160 | $wpdb->prepare( |
| 161 | "SELECT * |
| 162 | FROM {$wpdb->prefix}tutor_quiz_attempts |
| 163 | WHERE quiz_id = %d |
| 164 | AND user_id = %d |
| 165 | ORDER BY attempt_id DESC |
| 166 | ", |
| 167 | $quiz_id, |
| 168 | $user_id |
| 169 | ) |
| 170 | ); |
| 171 | TutorCache::set( $cache_key, $attempts ); |
| 172 | } |
| 173 | |
| 174 | if ( is_array( $attempts ) && count( $attempts ) ) { |
| 175 | return $attempts; |
| 176 | } |
| 177 | |
| 178 | return false; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Get Quiz question by question id |
| 183 | * |
| 184 | * @since 1.0.0 |
| 185 | * |
| 186 | * @param int $question_id question ID. |
| 187 | * |
| 188 | * @return array|bool|object|void|null |
| 189 | */ |
| 190 | public static function get_quiz_question_by_id( $question_id = 0 ) { |
| 191 | global $wpdb; |
| 192 | |
| 193 | if ( $question_id ) { |
| 194 | $question = $wpdb->get_row( |
| 195 | $wpdb->prepare( |
| 196 | "SELECT * |
| 197 | FROM {$wpdb->prefix}tutor_quiz_questions |
| 198 | WHERE question_id = %d |
| 199 | LIMIT 0, 1; |
| 200 | ", |
| 201 | $question_id |
| 202 | ) |
| 203 | ); |
| 204 | |
| 205 | return $question; |
| 206 | } |
| 207 | |
| 208 | return false; |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Get all ended attempts by an user of a quiz |
| 213 | * |
| 214 | * @since 1.4.1 |
| 215 | * |
| 216 | * @param int $quiz_id quiz ID. |
| 217 | * @param int $user_id user ID. |
| 218 | * |
| 219 | * @return array|bool|null|object |
| 220 | */ |
| 221 | public function quiz_ended_attempts( $quiz_id = 0, $user_id = 0 ) { |
| 222 | global $wpdb; |
| 223 | |
| 224 | $quiz_id = tutor_utils()->get_post_id( $quiz_id ); |
| 225 | $user_id = tutor_utils()->get_user_id( $user_id ); |
| 226 | |
| 227 | $attempts = $wpdb->get_results( |
| 228 | $wpdb->prepare( |
| 229 | "SELECT * |
| 230 | FROM {$wpdb->prefix}tutor_quiz_attempts |
| 231 | WHERE quiz_id = %d |
| 232 | AND user_id = %d |
| 233 | AND attempt_status != %s |
| 234 | ", |
| 235 | $quiz_id, |
| 236 | $user_id, |
| 237 | 'attempt_started' |
| 238 | ) |
| 239 | ); |
| 240 | |
| 241 | if ( is_array( $attempts ) && count( $attempts ) ) { |
| 242 | return $attempts; |
| 243 | } |
| 244 | |
| 245 | return false; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Get the next question order ID |
| 250 | * |
| 251 | * @since 1.0.0 |
| 252 | * |
| 253 | * @param integer $quiz_id quiz ID. |
| 254 | * |
| 255 | * @return int |
| 256 | */ |
| 257 | public static function quiz_next_question_order_id( $quiz_id ) { |
| 258 | global $wpdb; |
| 259 | |
| 260 | $last_order = (int) $wpdb->get_var( |
| 261 | $wpdb->prepare( |
| 262 | "SELECT MAX(question_order) |
| 263 | FROM {$wpdb->prefix}tutor_quiz_questions |
| 264 | WHERE quiz_id = %d ; |
| 265 | ", |
| 266 | $quiz_id |
| 267 | ) |
| 268 | ); |
| 269 | |
| 270 | return $last_order + 1; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * Get next quiz question ID |
| 275 | * |
| 276 | * @since 1.0.0 |
| 277 | * |
| 278 | * @return int |
| 279 | */ |
| 280 | public static function quiz_next_question_id() { |
| 281 | global $wpdb; |
| 282 | |
| 283 | $last_order = (int) $wpdb->get_var( "SELECT MAX(question_id) FROM {$wpdb->prefix}tutor_quiz_questions;" ); |
| 284 | return $last_order + 1; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Total number of quiz attempts |
| 289 | * |
| 290 | * @since 1.0.0 |
| 291 | * |
| 292 | * @param string $search_term search term. |
| 293 | * @param integer $course_id course ID. |
| 294 | * @param string $tab tab. |
| 295 | * @param string $date_filter date filter. |
| 296 | * |
| 297 | * @return int |
| 298 | */ |
| 299 | public static function get_total_quiz_attempts( $search_term = '', int $course_id = 0, string $tab = '', $date_filter = '' ) { |
| 300 | global $wpdb; |
| 301 | |
| 302 | // Prepare search term. |
| 303 | $search_term = empty( $search_term ) ? '' : '%' . $wpdb->esc_like( $search_term ) . '%'; |
| 304 | |
| 305 | // Prepare course filter. |
| 306 | $course_filter = $course_id ? $wpdb->prepare( ' AND quiz_attempts.course_id = %d', $course_id ) : ''; |
| 307 | |
| 308 | // Prepare date filter. |
| 309 | $date_filter = empty( $date_filter ) ? '' : tutor_get_formated_date( 'Y-m-d', $date_filter ); |
| 310 | $date_filter = empty( $date_filter ) ? '' : $wpdb->prepare( ' AND DATE(quiz_attempts.attempt_started_at) = %s ', $date_filter ); |
| 311 | |
| 312 | // Prepare user join and clause. |
| 313 | $user_join = ''; |
| 314 | $user_clause = ''; |
| 315 | if ( '' !== $search_term ) { |
| 316 | $user_join = "INNER JOIN {$wpdb->users} ON quiz_attempts.user_id = {$wpdb->users}.ID"; |
| 317 | $user_clause = $wpdb->prepare( |
| 318 | " AND ( {$wpdb->users}.user_email LIKE %s OR {$wpdb->users}.display_name LIKE %s )", |
| 319 | $search_term, |
| 320 | $search_term |
| 321 | ); |
| 322 | } |
| 323 | |
| 324 | // Prepare tab filter. |
| 325 | $tab_clause = ''; |
| 326 | if ( in_array( $tab, array( self::RESULT_PASS, self::RESULT_FAIL, self::RESULT_PENDING ), true ) ) { |
| 327 | $tab_clause = $wpdb->prepare( ' AND quiz_attempts.result = %s', $tab ); |
| 328 | } |
| 329 | |
| 330 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 331 | $count = $wpdb->get_var( |
| 332 | $wpdb->prepare( |
| 333 | "SELECT COUNT(DISTINCT quiz_attempts.attempt_id) AS total |
| 334 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 335 | INNER JOIN {$wpdb->posts} quiz ON quiz_attempts.quiz_id = quiz.ID |
| 336 | INNER JOIN {$wpdb->posts} AS course ON course.ID = quiz_attempts.course_id |
| 337 | {$user_join} |
| 338 | WHERE attempt_status != %s AND quiz_attempts.result IS NOT NULL |
| 339 | {$user_clause} |
| 340 | {$course_filter} |
| 341 | {$tab_clause} |
| 342 | {$date_filter}", |
| 343 | 'attempt_started' |
| 344 | ) |
| 345 | ); |
| 346 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 347 | |
| 348 | return (int) $count; |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Get the all quiz attempts |
| 353 | * |
| 354 | * @since 1.0.0 |
| 355 | * @since 1.9.5 sorting params added. |
| 356 | * @since 3.8.0 refactor and query optimize. |
| 357 | * |
| 358 | * @param integer $start start. |
| 359 | * @param integer $limit limit. |
| 360 | * @param string $search_filter search filter. |
| 361 | * @param string $course_filter course filter. |
| 362 | * @param string $date_filter date filter. |
| 363 | * @param string $order_filter order filter. |
| 364 | * @param mixed $result_state result state. |
| 365 | * @param boolean $count_only count only or not. |
| 366 | * @param boolean $instructor_id_check need instructor id check or not. |
| 367 | * |
| 368 | * @return mixed |
| 369 | */ |
| 370 | public static function get_quiz_attempts( $start = 0, $limit = 10, $search_filter = '', $course_filter = array(), $date_filter = '', $order_filter = 'DESC', $result_state = null, $count_only = false, $instructor_id_check = false ) { |
| 371 | global $wpdb; |
| 372 | |
| 373 | $start = (int) $start; |
| 374 | $limit = (int) $limit; |
| 375 | $search_filter = sanitize_text_field( $search_filter ); |
| 376 | $course_filter = sanitize_text_field( $course_filter ); |
| 377 | $date_filter = sanitize_text_field( $date_filter ); |
| 378 | $order_filter = sanitize_sql_orderby( $order_filter ); |
| 379 | |
| 380 | $search_term_raw = $search_filter; |
| 381 | $search_filter = '%' . $wpdb->esc_like( $search_filter ) . '%'; |
| 382 | |
| 383 | // Filter by course. |
| 384 | if ( '' !== $course_filter ) { |
| 385 | if ( ! is_array( $course_filter ) ) { |
| 386 | $course_filter = array( $course_filter ); |
| 387 | } |
| 388 | |
| 389 | $course_ids = QueryHelper::prepare_in_clause( array_map( 'intval', $course_filter ) ); |
| 390 | $course_filter = " AND quiz_attempts.course_id IN ($course_ids) "; |
| 391 | } |
| 392 | |
| 393 | // Filter by date. |
| 394 | $date_filter = '' !== $date_filter ? tutor_get_formated_date( 'Y-m-d', $date_filter ) : ''; |
| 395 | $date_filter = '' !== $date_filter ? $wpdb->prepare( ' AND DATE(quiz_attempts.attempt_started_at) = %s ', $date_filter ) : ''; |
| 396 | |
| 397 | $result_clause = ''; |
| 398 | $select_columns = $count_only ? 'COUNT(DISTINCT quiz_attempts.attempt_id)' : 'DISTINCT quiz_attempts.*, quiz.post_title, users.user_email, users.user_login, users.display_name'; |
| 399 | $limit_offset = $count_only ? '' : $wpdb->prepare( ' LIMIT %d OFFSET %d', $limit, $start ); |
| 400 | |
| 401 | // Get attempts by instructor ID. |
| 402 | $instructor_clause = ''; |
| 403 | if ( $instructor_id_check ) { |
| 404 | $current_user_id = get_current_user_id(); |
| 405 | $instructor_id = tutor_utils()->has_user_role( 'administrator', $current_user_id ) ? null : $current_user_id; |
| 406 | |
| 407 | if ( $instructor_id ) { |
| 408 | $instructor_clause = " INNER JOIN {$wpdb->usermeta} AS instructor_meta ON course.ID = instructor_meta.meta_value AND (instructor_meta.meta_key='_tutor_instructor_course_id' AND instructor_meta.user_id=$instructor_id) "; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | $result_clause = ''; |
| 413 | if ( in_array( $result_state, array( self::RESULT_PASS, self::RESULT_FAIL, self::RESULT_PENDING ), true ) ) { |
| 414 | $result_clause = $wpdb->prepare( ' AND quiz_attempts.result = %s', $result_state ); |
| 415 | } |
| 416 | |
| 417 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 418 | $query = $wpdb->prepare( |
| 419 | "SELECT {$select_columns} |
| 420 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 421 | INNER JOIN {$wpdb->posts} quiz ON quiz_attempts.quiz_id = quiz.ID |
| 422 | INNER JOIN {$wpdb->users} AS users ON quiz_attempts.user_id = users.ID |
| 423 | INNER JOIN {$wpdb->posts} AS course ON course.ID = quiz_attempts.course_id |
| 424 | {$instructor_clause} |
| 425 | WHERE quiz_attempts.attempt_ended_at IS NOT NULL |
| 426 | AND ( |
| 427 | users.user_email = %s |
| 428 | OR users.display_name LIKE %s |
| 429 | OR quiz.post_title LIKE %s |
| 430 | OR course.post_title LIKE %s |
| 431 | ) |
| 432 | AND quiz_attempts.attempt_ended_at IS NOT NULL |
| 433 | {$result_clause} |
| 434 | {$course_filter} |
| 435 | {$date_filter} |
| 436 | ORDER BY quiz_attempts.attempt_ended_at {$order_filter} {$limit_offset}", |
| 437 | $search_term_raw, |
| 438 | $search_filter, |
| 439 | $search_filter, |
| 440 | $search_filter |
| 441 | ); |
| 442 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 443 | |
| 444 | //phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 445 | return $count_only ? $wpdb->get_var( $query ) : $wpdb->get_results( $query ); |
| 446 | } |
| 447 | |
| 448 | /** |
| 449 | * Delete quizattempt for user |
| 450 | * |
| 451 | * @since 1.9.5 |
| 452 | * |
| 453 | * @param mixed $attempt_ids attempt ids. |
| 454 | * |
| 455 | * @return void |
| 456 | */ |
| 457 | public static function delete_quiz_attempt( $attempt_ids ) { |
| 458 | global $wpdb; |
| 459 | |
| 460 | // Singlular to array. |
| 461 | ! is_array( $attempt_ids ) ? $attempt_ids = array( $attempt_ids ) : 0; |
| 462 | |
| 463 | if ( count( $attempt_ids ) ) { |
| 464 | $attempt_ids = implode( ',', $attempt_ids ); |
| 465 | |
| 466 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 467 | // Deleting attempt (comment), child attempt and attempt meta (comment meta). |
| 468 | $wpdb->query( "DELETE FROM {$wpdb->prefix}tutor_quiz_attempts WHERE attempt_id IN($attempt_ids)" ); |
| 469 | $wpdb->query( "DELETE FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE quiz_attempt_id IN($attempt_ids)" ); |
| 470 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 471 | |
| 472 | do_action( 'tutor_quiz/attempt_deleted', $attempt_ids ); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Sorting params added on quiz attempt |
| 478 | * |
| 479 | * @since 1.9.5 |
| 480 | * |
| 481 | * @param integer $start start. |
| 482 | * @param integer $limit limit. |
| 483 | * @param array $course_ids course ids. |
| 484 | * @param string $search_filter search filter. |
| 485 | * @param string $course_filter course filter. |
| 486 | * @param string $date_filter date filter. |
| 487 | * @param string $order_filter order filter. |
| 488 | * @param mixed $user_id user id. |
| 489 | * @param boolean $count_only is only count or not. |
| 490 | * @param boolean $all_attempt need all atempt or not. |
| 491 | * |
| 492 | * @return mixed |
| 493 | */ |
| 494 | public static function get_quiz_attempts_by_course_ids( $start = 0, $limit = 10, $course_ids = array(), $search_filter = '', $course_filter = '', $date_filter = '', $order_filter = '', $user_id = null, $count_only = false, $all_attempt = false ) { |
| 495 | global $wpdb; |
| 496 | $search_filter = sanitize_text_field( $search_filter ); |
| 497 | $course_filter = (int) sanitize_text_field( $course_filter ); |
| 498 | $date_filter = sanitize_text_field( $date_filter ); |
| 499 | $order_filter = sanitize_sql_orderby( $order_filter ); |
| 500 | |
| 501 | $course_ids = array_map( |
| 502 | function ( $id ) { |
| 503 | return "'" . esc_sql( $id ) . "'"; |
| 504 | }, |
| 505 | $course_ids |
| 506 | ); |
| 507 | |
| 508 | $course_ids_in = count( $course_ids ) ? ' AND quiz_attempts.course_id IN (' . implode( ', ', $course_ids ) . ') ' : ''; |
| 509 | |
| 510 | $search_filter = $search_filter ? '%' . $wpdb->esc_like( $search_filter ) . '%' : ''; |
| 511 | $search_term_raw = $search_filter; |
| 512 | $search_filter = $search_filter ? "AND ( users.user_email = '{$search_term_raw}' OR users.display_name LIKE {$search_filter} OR quiz.post_title LIKE {$search_filter} OR course.post_title LIKE {$search_filter} )" : ''; |
| 513 | |
| 514 | $course_filter = 0 !== $course_filter ? " AND quiz_attempts.course_id = $course_filter " : ''; |
| 515 | $date_filter = '' != $date_filter ? tutor_get_formated_date( 'Y-m-d', $date_filter ) : ''; |
| 516 | $date_filter = '' != $date_filter ? " AND DATE(quiz_attempts.attempt_started_at) = '$date_filter' " : ''; |
| 517 | $user_filter = $user_id ? ' AND user_id=\'' . esc_sql( $user_id ) . '\' ' : ''; |
| 518 | |
| 519 | $limit_offset = $count_only ? '' : " LIMIT {$start}, {$limit} "; |
| 520 | $select_col = $count_only ? ' COUNT(DISTINCT quiz_attempts.attempt_id) ' : ' quiz_attempts.*, users.*, quiz.* '; |
| 521 | |
| 522 | $attempt_type = $all_attempt ? '' : " AND quiz_attempts.attempt_status != 'attempt_started' "; |
| 523 | |
| 524 | $query = "SELECT {$select_col} |
| 525 | FROM {$wpdb->prefix}tutor_quiz_attempts AS quiz_attempts |
| 526 | INNER JOIN {$wpdb->posts} AS quiz |
| 527 | ON quiz_attempts.quiz_id = quiz.ID |
| 528 | INNER JOIN {$wpdb->users} AS users |
| 529 | ON quiz_attempts.user_id = users.ID |
| 530 | INNER JOIN {$wpdb->posts} AS course |
| 531 | ON course.ID = quiz_attempts.course_id |
| 532 | WHERE 1=1 |
| 533 | {$attempt_type} |
| 534 | {$course_ids_in} |
| 535 | {$search_filter} |
| 536 | {$course_filter} |
| 537 | {$date_filter} |
| 538 | {$user_filter} |
| 539 | ORDER BY quiz_attempts.attempt_id {$order_filter} {$limit_offset};"; |
| 540 | |
| 541 | //phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 542 | return $count_only ? $wpdb->get_var( $query ) : $wpdb->get_results( $query ); |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Get answers list by quiz question |
| 547 | * |
| 548 | * @since 1.0.0 |
| 549 | * |
| 550 | * @param int $question_id question ID. |
| 551 | * @param bool $rand rand. |
| 552 | * |
| 553 | * @return array|bool|null|object |
| 554 | */ |
| 555 | public static function get_answers_by_quiz_question( $question_id, $rand = false ) { |
| 556 | global $wpdb; |
| 557 | |
| 558 | $question = $wpdb->get_row( |
| 559 | $wpdb->prepare( |
| 560 | "SELECT * |
| 561 | FROM {$wpdb->prefix}tutor_quiz_questions |
| 562 | WHERE question_id = %d; |
| 563 | ", |
| 564 | $question_id |
| 565 | ) |
| 566 | ); |
| 567 | |
| 568 | if ( ! $question ) { |
| 569 | return false; |
| 570 | } |
| 571 | |
| 572 | $order = ' answer_order ASC '; |
| 573 | |
| 574 | if ( $rand ) { |
| 575 | $order = ' RAND() '; |
| 576 | } |
| 577 | |
| 578 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 579 | $answers = $wpdb->get_results( |
| 580 | $wpdb->prepare( |
| 581 | "SELECT * |
| 582 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 583 | WHERE belongs_question_id = %d |
| 584 | AND belongs_question_type = %s |
| 585 | ORDER BY {$order} |
| 586 | ", |
| 587 | $question_id, |
| 588 | $question->question_type |
| 589 | ) |
| 590 | ); |
| 591 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 592 | |
| 593 | return $answers; |
| 594 | } |
| 595 | |
| 596 | /** |
| 597 | * Get quiz answers by attempt id |
| 598 | * |
| 599 | * @since 1.0.0 |
| 600 | * |
| 601 | * @param mixed $attempt_id attempt ID. |
| 602 | * @param bool $add_index need index or not. |
| 603 | * |
| 604 | * @return array|null|object |
| 605 | */ |
| 606 | public static function get_quiz_answers_by_attempt_id( $attempt_id, $add_index = false ) { |
| 607 | global $wpdb; |
| 608 | |
| 609 | $ids = is_array( $attempt_id ) ? $attempt_id : array( $attempt_id ); |
| 610 | $ids_in = implode( ',', $ids ); |
| 611 | |
| 612 | if ( empty( $ids_in ) ) { |
| 613 | // Prevent empty. |
| 614 | return array(); |
| 615 | } |
| 616 | |
| 617 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 618 | $results = $wpdb->get_results( |
| 619 | "SELECT answers.*, |
| 620 | question.* |
| 621 | FROM {$wpdb->prefix}tutor_quiz_attempt_answers answers |
| 622 | LEFT JOIN {$wpdb->prefix}tutor_quiz_questions question |
| 623 | ON answers.question_id = question.question_id |
| 624 | WHERE answers.quiz_attempt_id IN ({$ids_in}) |
| 625 | ORDER BY attempt_answer_id ASC;" |
| 626 | ); |
| 627 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 628 | |
| 629 | if ( $add_index ) { |
| 630 | $new_array = array(); |
| 631 | |
| 632 | foreach ( $results as $result ) { |
| 633 | ! isset( $new_array[ $result->quiz_attempt_id ] ) ? $new_array[ $result->quiz_attempt_id ] = array() : 0; |
| 634 | $new_array[ $result->quiz_attempt_id ][] = $result; |
| 635 | } |
| 636 | |
| 637 | return $new_array; |
| 638 | } |
| 639 | |
| 640 | return $results; |
| 641 | } |
| 642 | |
| 643 | /** |
| 644 | * Get single answer by answer_id |
| 645 | * |
| 646 | * @since 1.0.0 |
| 647 | * |
| 648 | * @param array|init $answer_id answer id. |
| 649 | * |
| 650 | * @return array|null|object |
| 651 | */ |
| 652 | public static function get_answer_by_id( $answer_id ) { |
| 653 | global $wpdb; |
| 654 | |
| 655 | ! is_array( $answer_id ) ? $answer_id = array( $answer_id ) : 0; |
| 656 | |
| 657 | $answer_id = array_map( |
| 658 | function ( $id ) { |
| 659 | return "'" . esc_sql( $id ) . "'"; |
| 660 | }, |
| 661 | $answer_id |
| 662 | ); |
| 663 | |
| 664 | $in_ids_string = implode( ', ', $answer_id ); |
| 665 | |
| 666 | //phpcs:disable WordPress.DB.PreparedSQL.NotPrepared |
| 667 | $answer = $wpdb->get_results( |
| 668 | $wpdb->prepare( |
| 669 | "SELECT answer.*, |
| 670 | question.question_title, |
| 671 | question.question_type |
| 672 | FROM {$wpdb->prefix}tutor_quiz_question_answers answer |
| 673 | LEFT JOIN {$wpdb->prefix}tutor_quiz_questions question |
| 674 | ON answer.belongs_question_id = question.question_id |
| 675 | WHERE answer.answer_id IN (" . $in_ids_string . ') |
| 676 | AND 1 = %d; |
| 677 | ', |
| 678 | 1 |
| 679 | ) |
| 680 | ); |
| 681 | //phpcs:enable WordPress.DB.PreparedSQL.NotPrepared |
| 682 | |
| 683 | return $answer; |
| 684 | } |
| 685 | |
| 686 | /** |
| 687 | * Get quiz attempt timing |
| 688 | * |
| 689 | * @since 1.0.0 |
| 690 | * |
| 691 | * @param mixed $attempt_data attempt data. |
| 692 | * @return array |
| 693 | */ |
| 694 | public static function get_quiz_attempt_timing( $attempt_data ) { |
| 695 | $attempt_duration = ''; |
| 696 | $attempt_duration_taken = ''; |
| 697 | $attempt_info = @unserialize( $attempt_data->attempt_info ); |
| 698 | if ( is_array( $attempt_info ) ) { |
| 699 | // Allowed duration. |
| 700 | if ( isset( $attempt_info['time_limit'] ) ) { |
| 701 | //phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText |
| 702 | $time_type = __( ucwords( tutor_utils()->array_get( 'time_limit.time_type', $attempt_info, 'minutes' ) ), 'tutor' ); |
| 703 | $time_value = tutor_utils()->array_get( 'time_limit.time_value', $attempt_info, 0 ); |
| 704 | $attempt_duration = $time_value . ' ' . $time_type; |
| 705 | } |
| 706 | |
| 707 | // Taken duration. |
| 708 | $seconds = strtotime( $attempt_data->attempt_ended_at ) - strtotime( $attempt_data->attempt_started_at ); |
| 709 | $attempt_duration_taken = tutor_utils()->seconds_to_time( $seconds ); |
| 710 | } |
| 711 | |
| 712 | return compact( 'attempt_duration', 'attempt_duration_taken' ); |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Check student is passed in a quiz or not. |
| 717 | * Quiz retry mode: student required at least one quiz passed in attempts |
| 718 | * |
| 719 | * @since 2.1.0 |
| 720 | * |
| 721 | * @param int $quiz_id quiz ID. |
| 722 | * @param int $user_id user ID. |
| 723 | * |
| 724 | * @return boolean |
| 725 | */ |
| 726 | public static function is_quiz_passed( $quiz_id, $user_id = 0 ) { |
| 727 | global $wpdb; |
| 728 | |
| 729 | $user_id = tutor_utils()->get_user_id( $user_id ); |
| 730 | $attempts = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_attempts WHERE user_id=%d AND quiz_id=%d", $user_id, $quiz_id ) ); |
| 731 | $required_percentage = tutor_utils()->get_quiz_option( $quiz_id, 'passing_grade', 0 ); |
| 732 | |
| 733 | foreach ( $attempts as $attempt ) { |
| 734 | $earned_percentage = self::calculate_attempt_earned_percentage( $attempt ); |
| 735 | if ( $earned_percentage >= $required_percentage ) { |
| 736 | return true; |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | return false; |
| 741 | } |
| 742 | |
| 743 | /** |
| 744 | * Get all question type for a quiz |
| 745 | * |
| 746 | * @since 2.1.0 |
| 747 | * |
| 748 | * @param integer $quiz_id quiz ID. |
| 749 | * |
| 750 | * @return array |
| 751 | */ |
| 752 | public static function get_quiz_question_types( int $quiz_id ) { |
| 753 | global $wpdb; |
| 754 | $types = $wpdb->get_col( |
| 755 | $wpdb->prepare( "SELECT DISTINCT question_type FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id=%d", $quiz_id ) |
| 756 | ); |
| 757 | |
| 758 | return $types; |
| 759 | } |
| 760 | |
| 761 | /** |
| 762 | * Check a quiz attempt need manual review or not |
| 763 | * |
| 764 | * @since 2.1.0 |
| 765 | * |
| 766 | * @param int $quiz_id quiz ID. |
| 767 | * |
| 768 | * @return boolean |
| 769 | */ |
| 770 | public static function is_manual_review_required( $quiz_id ) { |
| 771 | $required = false; |
| 772 | $review_question_types = self::get_manual_review_types(); |
| 773 | $question_types = self::get_quiz_question_types( $quiz_id ); |
| 774 | |
| 775 | foreach ( $review_question_types as $type ) { |
| 776 | if ( in_array( $type, $question_types, true ) ) { |
| 777 | $required = true; |
| 778 | break; |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | return $required; |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * Get last or first quiz attempt |
| 787 | * |
| 788 | * @since 2.1.0 |
| 789 | * @since 2.1.3 user_id param added. |
| 790 | * |
| 791 | * @param integer $quiz_id quiz id to get attempt of. |
| 792 | * @param integer $user_id user ID who attempt the quiz. |
| 793 | * @param string $order ASC or DESC, default is DESC |
| 794 | * pass ASC to get first attempt. |
| 795 | * |
| 796 | * @return mixed object on success, null on failure |
| 797 | */ |
| 798 | public function get_first_or_last_attempt( int $quiz_id, int $user_id = 0, string $order = 'DESC' ) { |
| 799 | $attempt = QueryHelper::get_row( |
| 800 | $this->get_table(), |
| 801 | array( |
| 802 | 'quiz_id' => $quiz_id, |
| 803 | 'user_id' => tutor_utils()->get_user_id( $user_id ), |
| 804 | ), |
| 805 | 'attempt_id', |
| 806 | $order |
| 807 | ); |
| 808 | return $attempt; |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * Get total number of quizzes by course id |
| 813 | * |
| 814 | * @since 2.2.0 |
| 815 | * |
| 816 | * @param int|array $course_id Course id or array of course ids. |
| 817 | * |
| 818 | * @return int |
| 819 | */ |
| 820 | public static function get_quiz_count_by_course( $course_id ) { |
| 821 | global $wpdb; |
| 822 | |
| 823 | $and_clause = is_array( $course_id ) && count( $course_id ) ? ' AND post_parent IN (' . QueryHelper::prepare_in_clause( $course_id ) . ')' : "AND post_parent = $course_id"; |
| 824 | |
| 825 | //phpcs:disable |
| 826 | $count = $wpdb->get_var( |
| 827 | $wpdb->prepare( |
| 828 | "SELECT |
| 829 | COUNT(ID) |
| 830 | FROM {$wpdb->posts} |
| 831 | WHERE post_parent IN |
| 832 | (SELECT |
| 833 | ID |
| 834 | FROM {$wpdb->posts} |
| 835 | WHERE post_type = %s |
| 836 | {$and_clause} |
| 837 | AND post_status = %s |
| 838 | ) |
| 839 | AND post_type = %s |
| 840 | AND post_status = %s", |
| 841 | 'topics', |
| 842 | 'publish', |
| 843 | 'tutor_quiz', |
| 844 | 'publish' |
| 845 | ) |
| 846 | ); |
| 847 | //phpcs:enable |
| 848 | return $count ? $count : 0; |
| 849 | } |
| 850 | |
| 851 | /** |
| 852 | * Get final quiz result depending on all attempts. |
| 853 | * |
| 854 | * @since 2.4.0 |
| 855 | * |
| 856 | * @param int $quiz_id quiz id. |
| 857 | * @param int $user_id user id. |
| 858 | * |
| 859 | * @return string pass, fail, pending |
| 860 | */ |
| 861 | public static function get_quiz_result( $quiz_id, $user_id = 0 ) { |
| 862 | global $wpdb; |
| 863 | |
| 864 | $all_pending = true; |
| 865 | $result = self::RESULT_PENDING; |
| 866 | |
| 867 | $user_id = tutor_utils()->get_user_id( $user_id ); |
| 868 | $attempt_list = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_attempts WHERE user_id=%d AND quiz_id=%d", $user_id, $quiz_id ) ); |
| 869 | |
| 870 | $total_pending_attempt = (int) $wpdb->get_var( |
| 871 | $wpdb->prepare( |
| 872 | "SELECT COUNT(attempt_id) total |
| 873 | FROM {$wpdb->prefix}tutor_quiz_attempts |
| 874 | WHERE result=%s AND quiz_id = %d AND user_id = %d |
| 875 | ", |
| 876 | self::RESULT_PENDING, |
| 877 | $quiz_id, |
| 878 | $user_id |
| 879 | ) |
| 880 | ); |
| 881 | |
| 882 | if ( count( $attempt_list ) !== $total_pending_attempt ) { |
| 883 | $all_pending = false; |
| 884 | } |
| 885 | |
| 886 | if ( false === $all_pending ) { |
| 887 | $required_percentage = tutor_utils()->get_quiz_option( $quiz_id, 'passing_grade', 0 ); |
| 888 | foreach ( $attempt_list as $attempt ) { |
| 889 | $earned_percentage = self::calculate_attempt_earned_percentage( $attempt ); |
| 890 | if ( $earned_percentage >= $required_percentage ) { |
| 891 | // If at least one attempt passed then quiz passed. |
| 892 | $result = self::RESULT_PASS; |
| 893 | break; |
| 894 | } else { |
| 895 | $result = self::RESULT_FAIL; |
| 896 | } |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | return $result; |
| 901 | } |
| 902 | |
| 903 | /** |
| 904 | * Get quiz attempt details |
| 905 | * |
| 906 | * @since 2.6.1 |
| 907 | * |
| 908 | * @param integer $attempt_id attempt id. |
| 909 | * |
| 910 | * @return mixed |
| 911 | */ |
| 912 | public static function quiz_attempt_details( int $attempt_id ) { |
| 913 | global $wpdb; |
| 914 | |
| 915 | $table_quiz_attempt_answers = $wpdb->prefix . 'tutor_quiz_attempt_answers'; |
| 916 | $table_quiz_questions = $wpdb->prefix . 'tutor_quiz_questions'; |
| 917 | $table_quiz_attempts = $wpdb->prefix . 'tutor_quiz_attempts'; |
| 918 | $table_quiz_question_answers = $wpdb->prefix . 'tutor_quiz_question_answers'; |
| 919 | |
| 920 | $query = "SELECT |
| 921 | ques.question_id, |
| 922 | ques.question_title, |
| 923 | ques.question_type, |
| 924 | ( |
| 925 | SELECT |
| 926 | GROUP_CONCAT(answer_title) |
| 927 | FROM |
| 928 | {$table_quiz_question_answers} |
| 929 | WHERE |
| 930 | belongs_question_id = ques.question_id |
| 931 | AND is_correct = 1 |
| 932 | ) AS correct_answers, |
| 933 | |
| 934 | ( |
| 935 | |
| 936 | SELECT |
| 937 | |
| 938 | CASE |
| 939 | WHEN CHAR_LENGTH(att_ans.given_answer) = 1 AND att_ans.given_answer REGEXP '^[0-9]$' THEN |
| 940 | -- If given_answer is a single digit integer |
| 941 | ( |
| 942 | SELECT |
| 943 | answer_title |
| 944 | FROM |
| 945 | {$table_quiz_question_answers} |
| 946 | WHERE |
| 947 | answer_id = CAST(att_ans.given_answer AS UNSIGNED) |
| 948 | ) |
| 949 | WHEN CHAR_LENGTH(att_ans.given_answer) > 1 AND SUBSTRING(att_ans.given_answer, 1, 2) = 'a:' THEN |
| 950 | -- If given_answer is serialized array |
| 951 | ( |
| 952 | att_ans.given_answer |
| 953 | ) |
| 954 | ELSE |
| 955 | -- If given_answer is a serialized string |
| 956 | att_ans.given_answer |
| 957 | END |
| 958 | ) AS given_answer, |
| 959 | att_ans.question_mark, |
| 960 | att_ans.achieved_mark, |
| 961 | att_ans.is_correct, |
| 962 | ( |
| 963 | SELECT |
| 964 | attempt_info |
| 965 | FROM {$table_quiz_attempts} |
| 966 | WHERE attempt_id = {$attempt_id} |
| 967 | LIMIT 1 |
| 968 | ) AS attempt_info |
| 969 | FROM |
| 970 | {$table_quiz_attempt_answers} AS att_ans |
| 971 | JOIN {$table_quiz_questions} AS ques ON ques.question_id = att_ans.question_id |
| 972 | JOIN {$table_quiz_question_answers} AS ans ON ans.answer_id = att_ans.attempt_answer_id |
| 973 | WHERE |
| 974 | quiz_attempt_id = %d |
| 975 | LIMIT |
| 976 | 50 |
| 977 | "; |
| 978 | |
| 979 | //phpcs:ignore |
| 980 | $result = $wpdb->get_results( $wpdb->prepare( $query, $attempt_id ) ); |
| 981 | |
| 982 | // If array and count result then loop with each result and prepare given answer. |
| 983 | if ( is_array( $result ) && count( $result ) ) { |
| 984 | foreach ( $result as $key => $value ) { |
| 985 | // Check if given answer is a serialized string. |
| 986 | if ( is_serialized( $value->given_answer ) ) { |
| 987 | $given_answers = tutor_utils()->get_answer_by_id( maybe_unserialize( $value->given_answer ) ); |
| 988 | $result[ $key ]->given_answer = array_column( $given_answers, 'answer_title' ); |
| 989 | } elseif ( is_numeric( $value->given_answer ) ) { |
| 990 | $given_answers = tutor_utils()->get_answer_by_id( maybe_unserialize( $value->given_answer ) ); |
| 991 | $result[ $key ]->given_answer = array_column( $given_answers, 'answer_title' ); |
| 992 | } |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | return $result; |
| 997 | } |
| 998 | |
| 999 | /** |
| 1000 | * Get a question record. |
| 1001 | * |
| 1002 | * @since 3.0.0 |
| 1003 | * |
| 1004 | * @param int $question_id quiz question id. |
| 1005 | * |
| 1006 | * @return array|object|null|void |
| 1007 | */ |
| 1008 | public static function get_question( $question_id ) { |
| 1009 | global $wpdb; |
| 1010 | return $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id = %d", $question_id ) ); |
| 1011 | } |
| 1012 | |
| 1013 | /** |
| 1014 | * Get all answer's of a quiz question. |
| 1015 | * |
| 1016 | * @since 3.0.0 |
| 1017 | * |
| 1018 | * @param int $question_id question id. |
| 1019 | * @param string $question_type question type. |
| 1020 | * |
| 1021 | * @return array |
| 1022 | */ |
| 1023 | public static function get_question_answers( $question_id, $question_type = null ) { |
| 1024 | global $wpdb; |
| 1025 | |
| 1026 | $query = "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = %d"; |
| 1027 | |
| 1028 | if ( $question_type ) { |
| 1029 | $query .= ' AND belongs_question_type = %s ORDER BY answer_order ASC'; |
| 1030 | //phpcs:ignore |
| 1031 | $answers = $wpdb->get_results( $wpdb->prepare( $query, $question_id, $question_type ) ); |
| 1032 | } else { |
| 1033 | $query .= ' ORDER BY answer_order ASC'; |
| 1034 | //phpcs:ignore |
| 1035 | $answers = $wpdb->get_results( $wpdb->prepare( $query, $question_id ) ); |
| 1036 | } |
| 1037 | |
| 1038 | foreach ( $answers as $answer ) { |
| 1039 | $answer->answer_title = stripslashes( $answer->answer_title ); |
| 1040 | if ( $answer->image_id ) { |
| 1041 | $answer->image_url = wp_get_attachment_url( $answer->image_id ); |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | return $answers; |
| 1046 | } |
| 1047 | |
| 1048 | /** |
| 1049 | * Get next answer order SL no |
| 1050 | * |
| 1051 | * @since 3.0.0 |
| 1052 | * |
| 1053 | * @param int $question_id question id. |
| 1054 | * @param int $question_type question type. |
| 1055 | * |
| 1056 | * @return int |
| 1057 | */ |
| 1058 | public static function get_next_answer_order( $question_id, $question_type ) { |
| 1059 | global $wpdb; |
| 1060 | $max_id = (int) $wpdb->get_var( |
| 1061 | $wpdb->prepare( |
| 1062 | "SELECT MAX(answer_order) FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = %d AND belongs_question_type = %s",//phpcs:ignore |
| 1063 | $question_id, |
| 1064 | $question_type |
| 1065 | ) |
| 1066 | ); |
| 1067 | |
| 1068 | return $max_id + 1; |
| 1069 | } |
| 1070 | |
| 1071 | /** |
| 1072 | * Get quiz details by quiz id. |
| 1073 | * |
| 1074 | * @since 3.0.0 |
| 1075 | * |
| 1076 | * @param int $quiz_id quiz id. |
| 1077 | * |
| 1078 | * @return object |
| 1079 | */ |
| 1080 | public static function get_quiz_details( $quiz_id ) { |
| 1081 | $quiz = get_post( $quiz_id ); |
| 1082 | $quiz->quiz_option = get_post_meta( $quiz_id, Quiz::META_QUIZ_OPTION, true ); |
| 1083 | $quiz->questions = tutor_utils()->get_questions_by_quiz( $quiz_id ); |
| 1084 | |
| 1085 | if ( ! is_array( $quiz->questions ) ) { |
| 1086 | $quiz->questions = array(); |
| 1087 | } |
| 1088 | |
| 1089 | foreach ( $quiz->questions as $question ) { |
| 1090 | $question->question_answers = self::get_question_answers( $question->question_id, $question->question_type ); |
| 1091 | if ( isset( $question->question_settings ) ) { |
| 1092 | $question->question_settings = maybe_unserialize( $question->question_settings ); |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | return $quiz; |
| 1097 | } |
| 1098 | |
| 1099 | /** |
| 1100 | * Calculate attempt earned percentage |
| 1101 | * |
| 1102 | * @since 3.7.1 |
| 1103 | * |
| 1104 | * @param int|object $attempt attempt id or attempt object. |
| 1105 | * |
| 1106 | * @return float |
| 1107 | */ |
| 1108 | public static function calculate_attempt_earned_percentage( $attempt ) { |
| 1109 | if ( is_numeric( $attempt ) ) { |
| 1110 | $attempt = tutor_utils()->get_attempt( $attempt ); |
| 1111 | } |
| 1112 | |
| 1113 | if ( ! $attempt ) { |
| 1114 | return 0; |
| 1115 | } |
| 1116 | |
| 1117 | $total_marks = (float) $attempt->total_marks; |
| 1118 | $earned_marks = (float) $attempt->earned_marks; |
| 1119 | |
| 1120 | $earned_percentage = ( $earned_marks > 0 && $total_marks > 0 ) |
| 1121 | ? number_format( ( $earned_marks * 100 ) / $total_marks ) |
| 1122 | : 0; |
| 1123 | |
| 1124 | return $earned_percentage; |
| 1125 | } |
| 1126 | |
| 1127 | |
| 1128 | /** |
| 1129 | * Prepare attempt result from attempt data. |
| 1130 | * |
| 1131 | * @since 3.7.1 |
| 1132 | * |
| 1133 | * @param int|object $attempt attempt id or object. |
| 1134 | * |
| 1135 | * @return string pass, fail, pending |
| 1136 | */ |
| 1137 | public static function prepare_attempt_result( $attempt ) { |
| 1138 | if ( is_numeric( $attempt ) ) { |
| 1139 | $attempt = tutor_utils()->get_attempt( $attempt ); |
| 1140 | } |
| 1141 | |
| 1142 | if ( ! $attempt ) { |
| 1143 | return false; |
| 1144 | } |
| 1145 | |
| 1146 | $attempt_info = maybe_unserialize( $attempt->attempt_info ); |
| 1147 | $answers_map = self::get_quiz_answers_by_attempt_id( $attempt->attempt_id, true ); |
| 1148 | |
| 1149 | $earned_percentage = self::calculate_attempt_earned_percentage( $attempt ); |
| 1150 | $passing_grade = (int) $attempt_info['passing_grade'] ?? 0; |
| 1151 | |
| 1152 | $answers = $answers_map[ $attempt->attempt_id ] ?? array(); |
| 1153 | $answers = is_array( $answers ) ? $answers : array(); |
| 1154 | |
| 1155 | $has_pending = (bool) count( |
| 1156 | array_filter( $answers, fn( $answer ) => null === $answer->is_correct ) |
| 1157 | ); |
| 1158 | |
| 1159 | if ( $has_pending ) { |
| 1160 | $result = self::RESULT_PENDING; |
| 1161 | } else { |
| 1162 | $result = ( $earned_percentage >= $passing_grade ) ? self::RESULT_PASS : self::RESULT_FAIL; |
| 1163 | } |
| 1164 | |
| 1165 | return $result; |
| 1166 | } |
| 1167 | |
| 1168 | /** |
| 1169 | * Get a quiz attempt result |
| 1170 | * |
| 1171 | * @since 3.7.1 |
| 1172 | * |
| 1173 | * @param int $attempt_id attempt id. |
| 1174 | * |
| 1175 | * @return string pass, fail, pending |
| 1176 | */ |
| 1177 | public static function get_attempt_result( $attempt_id ) { |
| 1178 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 1179 | if ( ! $attempt ) { |
| 1180 | return false; |
| 1181 | } |
| 1182 | |
| 1183 | /** |
| 1184 | * If result is processed then return it |
| 1185 | * |
| 1186 | * @since 3.7.1 |
| 1187 | */ |
| 1188 | if ( isset( $attempt->result ) && ! empty( $attempt->result ) ) { |
| 1189 | return $attempt->result; |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * Backward compatibility for getting a attempt result |
| 1194 | * |
| 1195 | * @since 3.7.1 |
| 1196 | */ |
| 1197 | $result = self::prepare_attempt_result( $attempt ); |
| 1198 | |
| 1199 | return $result; |
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * Update attempt result. |
| 1204 | * |
| 1205 | * @param int $attempt_id attempt id. |
| 1206 | * |
| 1207 | * @return bool |
| 1208 | */ |
| 1209 | public static function update_attempt_result( $attempt_id ) { |
| 1210 | $attempt_result = self::prepare_attempt_result( $attempt_id ); |
| 1211 | if ( $attempt_result ) { |
| 1212 | QueryHelper::update( |
| 1213 | QueryHelper::prepare_table_name( 'tutor_quiz_attempts' ), |
| 1214 | array( 'result' => $attempt_result ), |
| 1215 | array( 'attempt_id' => $attempt_id ) |
| 1216 | ); |
| 1217 | |
| 1218 | return true; |
| 1219 | } |
| 1220 | |
| 1221 | return false; |
| 1222 | } |
| 1223 | } |
| 1224 |