| @@ -1,1090 +1,1090 @@ | ||
| 1 | -<?php | |
| 2 | -/** | |
| 3 | - * Class LP_Quiz. | |
| 4 | - * | |
| 5 | - * @author ThimPress | |
| 6 | - * @package LearnPress/Classes | |
| 7 | - * @version 3.0.0 | |
| 8 | - */ | |
| 9 | - | |
| 10 | -defined( 'ABSPATH' ) || exit(); | |
| 11 | - | |
| 12 | -if ( ! class_exists( 'LP_Quiz' ) ) { | |
| 13 | - | |
| 14 | - /** | |
| 15 | - * Class LP_Quiz | |
| 16 | - */ | |
| 17 | - class LP_Quiz extends LP_Course_Item { | |
| 18 | - | |
| 19 | - | |
| 20 | - /** | |
| 21 | - * @var array | |
| 22 | - * | |
| 23 | - * @deprecated | |
| 24 | - */ | |
| 25 | - protected static $_meta = array(); | |
| 26 | - | |
| 27 | - /** | |
| 28 | - * @var string | |
| 29 | - */ | |
| 30 | - protected $_item_type = LP_QUIZ_CPT; | |
| 31 | - | |
| 32 | - /** | |
| 33 | - * @var array | |
| 34 | - */ | |
| 35 | - protected $_questions = array(); | |
| 36 | - | |
| 37 | - /** | |
| 38 | - * @var array | |
| 39 | - */ | |
| 40 | - protected $_data = array( | |
| 41 | - // 'show_result' => 'no', | |
| 42 | - 'passing_grade_type' => '', | |
| 43 | - 'passing_grade' => 0, | |
| 44 | - // 'show_check_answer' => 'no', | |
| 45 | - // 'count_check_answer' => 0, | |
| 46 | - // 'show_hint' => 'no', | |
| 47 | - // 'count_hint' => 0, | |
| 48 | - // 'archive_history' => 'no', | |
| 49 | - // 'show_hide_question' => 'yes', | |
| 50 | - // 'preview' => 'no', | |
| 51 | - // 'minus_points' => 0, | |
| 52 | - 'minus_skip_questions' => 'no', | |
| 53 | - | |
| 54 | - 'negative_marking' => 'no', | |
| 55 | - 'instant_check' => 'no', | |
| 56 | - 'retake_count' => 0, | |
| 57 | - 'show_correct_review' => 'yes', | |
| 58 | - ); | |
| 59 | - | |
| 60 | - /** | |
| 61 | - * @var int | |
| 62 | - */ | |
| 63 | - protected static $_loaded = 0; | |
| 64 | - | |
| 65 | - /** | |
| 66 | - * Constructor gets the post object and sets the ID for the loaded course. | |
| 67 | - * | |
| 68 | - * @param mixed $the_quiz | |
| 69 | - * @param mixed $args | |
| 70 | - */ | |
| 71 | - public function __construct( $the_quiz, $args = array() ) { | |
| 72 | - $this->_curd = new LP_Quiz_CURD(); | |
| 73 | - | |
| 74 | - if ( is_numeric( $the_quiz ) && $the_quiz > 0 ) { | |
| 75 | - $this->set_id( $the_quiz ); | |
| 76 | - } elseif ( $the_quiz instanceof self ) { | |
| 77 | - $this->set_id( absint( $the_quiz->get_id() ) ); | |
| 78 | - } elseif ( ! empty( $the_quiz->ID ) ) { | |
| 79 | - $this->set_id( absint( $the_quiz->ID ) ); | |
| 80 | - } | |
| 81 | - if ( $this->get_id() > 0 ) { | |
| 82 | - $this->load(); | |
| 83 | - } | |
| 84 | - | |
| 85 | - self::$_loaded ++; | |
| 86 | - if ( self::$_loaded == 1 ) { | |
| 87 | - add_filter( 'debug_data', array( __CLASS__, 'log' ) ); | |
| 88 | - } | |
| 89 | - } | |
| 90 | - | |
| 91 | - /** | |
| 92 | - * Log debug data. | |
| 93 | - * | |
| 94 | - * @since 3.0.0 | |
| 95 | - * | |
| 96 | - * @param $data | |
| 97 | - * | |
| 98 | - * @return array | |
| 99 | - */ | |
| 100 | - public static function log( $data ) { | |
| 101 | - $data[] = __CLASS__ . '( ' . self::$_loaded . ' )'; | |
| 102 | - | |
| 103 | - return $data; | |
| 104 | - } | |
| 105 | - | |
| 106 | - /** | |
| 107 | - * @param string $context | |
| 108 | - * | |
| 109 | - * @return string | |
| 110 | - */ | |
| 111 | - public function get_heading_title( $context = '' ) { | |
| 112 | - return $this->get_title( $context ); | |
| 113 | - } | |
| 114 | - | |
| 115 | - /** | |
| 116 | - * Load quiz data | |
| 117 | - */ | |
| 118 | - public function load() { | |
| 119 | - $this->_curd->load( $this ); | |
| 120 | - } | |
| 121 | - | |
| 122 | - /** | |
| 123 | - * Get default quiz meta. | |
| 124 | - * | |
| 125 | - * @since 3.0.0 | |
| 126 | - * | |
| 127 | - * @return mixed | |
| 128 | - */ | |
| 129 | - public static function get_default_meta() { | |
| 130 | - $meta = array( | |
| 131 | - 'review' => 'no', | |
| 132 | - 'duration' => '10 minute', | |
| 133 | - 'passing_grade' => 80, | |
| 134 | - 'negative_marking' => 'no', | |
| 135 | - 'instant_check' => 'no', | |
| 136 | - 'retake_count' => '0', | |
| 137 | - 'pagination' => 1, | |
| 138 | - 'show_correct_review' => 'yes', | |
| 139 | - ); | |
| 140 | - | |
| 141 | - return apply_filters( 'learn-press/quiz/default-meta', $meta ); | |
| 142 | - } | |
| 143 | - | |
| 144 | - /** | |
| 145 | - * Save quiz data. | |
| 146 | - * | |
| 147 | - * @return mixed | |
| 148 | - * | |
| 149 | - * @throws Exception | |
| 150 | - */ | |
| 151 | - public function save() { | |
| 152 | - if ( $this->get_id() ) { | |
| 153 | - $return = $this->_curd->update( $this ); | |
| 154 | - } else { | |
| 155 | - $return = $this->_curd->create( $this ); | |
| 156 | - } | |
| 157 | - | |
| 158 | - return $return; | |
| 159 | - } | |
| 160 | - | |
| 161 | - public function get_negative_marking() { | |
| 162 | - return $this->get_data( 'negative_marking' ) === 'yes'; | |
| 163 | - } | |
| 164 | - | |
| 165 | - public function set_negative_marking( $set ) { | |
| 166 | - $this->_set_data( 'negative_marking', ! learn_press_is_negative_value( $set ) ? 'yes' : 'no' ); | |
| 167 | - } | |
| 168 | - | |
| 169 | - public function get_show_correct_review() { | |
| 170 | - return $this->get_data( 'show_correct_review' ) === 'yes'; | |
| 171 | - } | |
| 172 | - | |
| 173 | - public function set_show_correct_review( $set ) { | |
| 174 | - $this->_set_data( 'show_correct_review', $set ); | |
| 175 | - } | |
| 176 | - | |
| 177 | - public function get_instant_check() { | |
| 178 | - return $this->get_data( 'instant_check' ) === 'yes'; | |
| 179 | - } | |
| 180 | - | |
| 181 | - public function set_instant_check( $set ) { | |
| 182 | - $this->_set_data( 'instant_check', ! learn_press_is_negative_value( $set ) ? 'yes' : 'no' ); | |
| 183 | - } | |
| 184 | - | |
| 185 | - public function set_retake_count( $count ) { | |
| 186 | - $this->_set_data( 'retake_count', $count ); | |
| 187 | - } | |
| 188 | - | |
| 189 | - public function get_retake_count() { | |
| 190 | - return $this->get_data( 'retake_count' ); | |
| 191 | - } | |
| 192 | - | |
| 193 | - public function get_pagination() { | |
| 194 | - return ( $n = $this->get_data( 'pagination' ) ) > 1 ? $n : 0; | |
| 195 | - } | |
| 196 | - | |
| 197 | - public function set_pagination( $set ) { | |
| 198 | - $this->_set_data( 'pagination', absint( $set ) ); | |
| 199 | - } | |
| 200 | - | |
| 201 | - /** | |
| 202 | - * @deprecated | |
| 203 | - * | |
| 204 | - * @param $show_result | |
| 205 | - */ | |
| 206 | - public function set_show_result( $show_result ) { | |
| 207 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 208 | - | |
| 209 | - $this->_set_data( 'show_result', $show_result ); | |
| 210 | - } | |
| 211 | - | |
| 212 | - /** | |
| 213 | - * @deprecated | |
| 214 | - * | |
| 215 | - * @return array|mixed | |
| 216 | - */ | |
| 217 | - public function get_show_result() { | |
| 218 | - | |
| 219 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 220 | - | |
| 221 | - return $this->get_data( 'show_result' ) === 'yes'; | |
| 222 | - } | |
| 223 | - | |
| 224 | - /** | |
| 225 | - * | |
| 226 | - * @param $review_questions | |
| 227 | - */ | |
| 228 | - public function set_review_questions( $review_questions ) { | |
| 229 | - | |
| 230 | - $this->_set_data( 'review_questions', $review_questions ); | |
| 231 | - } | |
| 232 | - | |
| 233 | - /** | |
| 234 | - * Enable review quiz | |
| 235 | - * | |
| 236 | - * @return bool | |
| 237 | - */ | |
| 238 | - public function get_review_questions(): bool { | |
| 239 | - return 'yes' === $this->get_data( 'review_questions', 'yes' ); | |
| 240 | - } | |
| 241 | - | |
| 242 | - /** | |
| 243 | - * @param $type | |
| 244 | - */ | |
| 245 | - public function set_passing_grade_type( $type ) { | |
| 246 | - $this->_set_data( 'passing_grade_type', $type ); | |
| 247 | - } | |
| 248 | - | |
| 249 | - /** | |
| 250 | - * @return array|mixed | |
| 251 | - */ | |
| 252 | - public function get_passing_grade_type() { | |
| 253 | - return $this->get_data( 'passing_grade_type', 'percentage' ); | |
| 254 | - } | |
| 255 | - | |
| 256 | - /** | |
| 257 | - * @param $value | |
| 258 | - */ | |
| 259 | - public function set_passing_grade( $value ) { | |
| 260 | - $this->_set_data( 'passing_grade', $value ); | |
| 261 | - } | |
| 262 | - | |
| 263 | - /** | |
| 264 | - * @return array|mixed | |
| 265 | - */ | |
| 266 | - public function get_passing_grade() { | |
| 267 | - $type = $this->get_passing_grade_type(); | |
| 268 | - $value = get_post_meta( $this->get_id(), '_lp_passing_grade', true ); | |
| 269 | - if ( empty( $value ) ) { | |
| 270 | - $value = 80; | |
| 271 | - } | |
| 272 | - | |
| 273 | - switch ( $type ) { | |
| 274 | - case 'point': | |
| 275 | - break; | |
| 276 | - case 'percentage': | |
| 277 | - default: | |
| 278 | - $value = "{$value}%"; | |
| 279 | - break; | |
| 280 | - } | |
| 281 | - | |
| 282 | - return $value; | |
| 283 | - } | |
| 284 | - | |
| 285 | - /** | |
| 286 | - * @deprecated | |
| 287 | - * | |
| 288 | - * @param $value | |
| 289 | - */ | |
| 290 | - public function set_show_check_answer( $value ) { | |
| 291 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 292 | - | |
| 293 | - $this->_set_data( 'show_check_answer', $value ); | |
| 294 | - } | |
| 295 | - | |
| 296 | - /** | |
| 297 | - * @deprecated | |
| 298 | - * | |
| 299 | - * @return int|bool | |
| 300 | - */ | |
| 301 | - public function get_show_check_answer() { | |
| 302 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 303 | - | |
| 304 | - return intval( $this->get_data( 'show_check_answer' ) ); | |
| 305 | - } | |
| 306 | - | |
| 307 | - /** | |
| 308 | - * @deprecated | |
| 309 | - * | |
| 310 | - * @param $count | |
| 311 | - */ | |
| 312 | - public function set_count_check_answer( $count ) { | |
| 313 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 314 | - | |
| 315 | - $this->_set_data( 'count_check_answer', $count ); | |
| 316 | - } | |
| 317 | - | |
| 318 | - /** | |
| 319 | - * @deprecated | |
| 320 | - * | |
| 321 | - * @return int | |
| 322 | - */ | |
| 323 | - public function get_check_answer_count() { | |
| 324 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 325 | - | |
| 326 | - return intval( $this->get_data( 'check_answer_count' ) ); | |
| 327 | - } | |
| 328 | - | |
| 329 | - /** | |
| 330 | - * @deprecated | |
| 331 | - * | |
| 332 | - * @param $value | |
| 333 | - */ | |
| 334 | - public function set_show_hint( $value ) { | |
| 335 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 336 | - | |
| 337 | - $this->_set_data( 'show_hint', $value ); | |
| 338 | - } | |
| 339 | - | |
| 340 | - /** | |
| 341 | - * @deprecated | |
| 342 | - * | |
| 343 | - * @return int | |
| 344 | - */ | |
| 345 | - public function get_show_hint() { | |
| 346 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 347 | - | |
| 348 | - return intval( $this->get_data( 'show_hint' ) ); | |
| 349 | - } | |
| 350 | - | |
| 351 | - /** | |
| 352 | - * @deprecated | |
| 353 | - * | |
| 354 | - * @param $count | |
| 355 | - */ | |
| 356 | - public function set_count_hint( $count ) { | |
| 357 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 358 | - | |
| 359 | - $this->_set_data( 'count_hint', $count ); | |
| 360 | - } | |
| 361 | - | |
| 362 | - /** | |
| 363 | - * Return true if hint answer is enabled. | |
| 364 | - * | |
| 365 | - * @deprecated | |
| 366 | - * | |
| 367 | - * @return bool | |
| 368 | - */ | |
| 369 | - public function enable_show_hint() { | |
| 370 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 371 | - | |
| 372 | - return apply_filters( 'learn-press/quiz/enable-show-hint', $this->get_data( 'show_hint' ) == 'yes', $this->get_id() ); | |
| 373 | - } | |
| 374 | - | |
| 375 | - /** | |
| 376 | - * @deprecated | |
| 377 | - * | |
| 378 | - * @param $value | |
| 379 | - */ | |
| 380 | - public function set_archive_history( $value ) { | |
| 381 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 382 | - | |
| 383 | - $this->_set_data( 'archive_history', $value ); | |
| 384 | - } | |
| 385 | - | |
| 386 | - /** | |
| 387 | - * Return true if archive history is enabled. | |
| 388 | - * | |
| 389 | - * @deprecated | |
| 390 | - * | |
| 391 | - * @return bool | |
| 392 | - */ | |
| 393 | - public function enable_archive_history() { | |
| 394 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 395 | - | |
| 396 | - return apply_filters( 'learn-press/quiz/enable-archive-history', $this->get_data( 'archive_history' ) == 'yes', $this->get_id() ); | |
| 397 | - } | |
| 398 | - | |
| 399 | - /** | |
| 400 | - * Return total mark of quiz by calculating total mark of all questions. | |
| 401 | - * | |
| 402 | - * @return int | |
| 403 | - */ | |
| 404 | - public function get_mark() { | |
| 405 | - $mark = $this->get_data( 'mark', false ); | |
| 406 | - if ( false === $mark || '' === $mark ) { | |
| 407 | - $questions = $this->get_question_ids(); | |
| 408 | - $mark = 0; | |
| 409 | - | |
| 410 | - foreach ( $questions as $question_id ) { | |
| 411 | - $question = LP_Question::get_question( $question_id ); | |
| 412 | - if ( $question ) { | |
| 413 | - $mark += $question->get_mark(); | |
| 414 | - } | |
| 415 | - } | |
| 416 | - | |
| 417 | - $this->_set_data( 'mark', $mark ); | |
| 418 | - } | |
| 419 | - | |
| 420 | - return apply_filters( 'learn-press/quiz-mark', $mark, $this->get_id() ); | |
| 421 | - } | |
| 422 | - | |
| 423 | - /** | |
| 424 | - * Get duration of quiz | |
| 425 | - * | |
| 426 | - * @return LP_Duration | |
| 427 | - */ | |
| 428 | - public function get_duration() { | |
| 429 | - $duration = parent::get_duration(); | |
| 430 | - | |
| 431 | - return apply_filters( 'learn-press/quiz-duration', $duration, $this->get_id() ); | |
| 432 | - } | |
| 433 | - | |
| 434 | - /** | |
| 435 | - * Get quiz questions. | |
| 436 | - * | |
| 437 | - * @param string $context | |
| 438 | - * | |
| 439 | - * @return mixed | |
| 440 | - * @editor tungnx | |
| 441 | - * @since 3.x.x | |
| 442 | - * @version 1.0.1 | |
| 443 | - * @deprecated 4.2.0 | |
| 444 | - */ | |
| 445 | - public function get_questions( $context = 'display' ) { | |
| 446 | - _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.2.0' ); | |
| 447 | - $questions = array(); | |
| 448 | - $ids = $this->_curd->read_question_ids( $this->get_id() ); | |
| 449 | - | |
| 450 | - if ( $ids ) { | |
| 451 | - foreach ( $ids as $id ) { | |
| 452 | - $questions[ $id ] = $id; | |
| 453 | - } | |
| 454 | - } | |
| 455 | - | |
| 456 | - return apply_filters( 'learn-press/quiz/questions', $questions, $this->get_id(), $this->get_course_id(), $context ); | |
| 457 | - } | |
| 458 | - | |
| 459 | - /** | |
| 460 | - * Quiz editor get questions. | |
| 461 | - * | |
| 462 | - * @return mixed | |
| 463 | - */ | |
| 464 | - public function quiz_editor_get_questions() { | |
| 465 | - // list questions | |
| 466 | - $questions = $this->get_question_ids( 'edit' ); | |
| 467 | - // order questions in quiz | |
| 468 | - $question_order = learn_press_quiz_get_questions_order( $questions ); | |
| 469 | - | |
| 470 | - $result = array(); | |
| 471 | - | |
| 472 | - foreach ( $questions as $id ) { | |
| 473 | - $question = LP_Question::get_question( $id ); | |
| 474 | - | |
| 475 | - $answers = array(); | |
| 476 | - // handle question answer | |
| 477 | - if ( is_array( $question->get_data( 'answer_options' ) ) ) { | |
| 478 | - foreach ( $question->get_data( 'answer_options' ) as $answer ) { | |
| 479 | - $answers[] = $answer; | |
| 480 | - } | |
| 481 | - } | |
| 482 | - | |
| 483 | - $post = get_post( $id ); | |
| 484 | - $result[] = apply_filters( | |
| 485 | - 'learn-press/quiz-editor/question-data', | |
| 486 | - array( | |
| 487 | - 'id' => $id, | |
| 488 | - 'open' => false, | |
| 489 | - 'title' => $post->post_title, | |
| 490 | - 'type' => array( | |
| 491 | - 'key' => $question->get_type(), | |
| 492 | - 'label' => $question->get_type_label(), | |
| 493 | - ), | |
| 494 | - 'answers' => apply_filters( 'learn-press/quiz-editor/question-answers-data', $answers, $id, $this->get_id() ), | |
| 495 | - 'settings' => array( | |
| 496 | - 'content' => $post->post_content, | |
| 497 | - 'mark' => get_post_meta( $id, '_lp_mark', true ), | |
| 498 | - 'explanation' => get_post_meta( $id, '_lp_explanation', true ), | |
| 499 | - 'hint' => get_post_meta( $id, '_lp_hint', true ), | |
| 500 | - ), | |
| 501 | - 'order' => $question_order[ $id ], | |
| 502 | - ), | |
| 503 | - $id, | |
| 504 | - $this->get_id() | |
| 505 | - ); | |
| 506 | - } | |
| 507 | - | |
| 508 | - return apply_filters( 'learn-press/quiz/quiz_editor_questions', $result, $this->get_id() ); | |
| 509 | - } | |
| 510 | - | |
| 511 | - /** | |
| 512 | - * Get quiz duration html. | |
| 513 | - * | |
| 514 | - * @return mixed | |
| 515 | - */ | |
| 516 | - public function get_duration_html() { | |
| 517 | - $duration = $this->get_duration(); | |
| 518 | - if ( $duration ) { | |
| 519 | - $duration = learn_press_seconds_to_time( $duration->get_seconds() ); | |
| 520 | - } else { | |
| 521 | - $duration = __( 'Unlimited', 'learnpress' ); | |
| 522 | - } | |
| 523 | - | |
| 524 | - return apply_filters( 'learn_press_quiz_duration_html', $duration, $this ); | |
| 525 | - } | |
| 526 | - | |
| 527 | - /** | |
| 528 | - * Get number questions in quiz. | |
| 529 | - * | |
| 530 | - * @return int | |
| 531 | - */ | |
| 532 | - public function count_questions(): int { | |
| 533 | - $size = 0; | |
| 534 | - $questions = $this->get_question_ids(); | |
| 535 | - | |
| 536 | - if ( $questions ) { | |
| 537 | - $size = sizeof( $questions ); | |
| 538 | - } | |
| 539 | - | |
| 540 | - return (int) apply_filters( 'learn-press/quiz/count-questions', $size, $this->get_id() ); | |
| 541 | - } | |
| 542 | - | |
| 543 | - /** | |
| 544 | - * Get all question's ids of the quiz. | |
| 545 | - * | |
| 546 | - * @param string $context | |
| 547 | - * | |
| 548 | - * @return int[] | |
| 549 | - * @editor tungnx | |
| 550 | - * @version 1.0.1 | |
| 551 | - * @since 3.2.0 | |
| 552 | - */ | |
| 553 | - public function get_question_ids( string $context = 'display' ): array { | |
| 554 | - $question_ids = $this->_curd->read_question_ids( $this->get_id(), $context ); | |
| 555 | - $question_ids = apply_filters( 'learn-press/quiz/get-question-ids', $question_ids, $this->get_id(), $this->get_course_id(), $context ); | |
| 556 | - if ( ! is_array( $question_ids ) ) { | |
| 557 | - $question_ids = array(); | |
| 558 | - } | |
| 559 | - | |
| 560 | - return $question_ids; | |
| 561 | - } | |
| 562 | - | |
| 563 | - /** | |
| 564 | - * Get number questions for user do it. | |
| 565 | - * | |
| 566 | - * @return mixed|null | |
| 567 | - */ | |
| 568 | - public function get_number_questions_to_do() { | |
| 569 | - return apply_filters( 'learn-press/quiz/number-questions-show', $this->count_questions(), $this ); | |
| 570 | - } | |
| 571 | - | |
| 572 | - /** | |
| 573 | - * This quiz has any question? | |
| 574 | - * | |
| 575 | - * @return bool | |
| 576 | - */ | |
| 577 | - public function has_questions() { | |
| 578 | - return $this->count_questions() > 0; | |
| 579 | - } | |
| 580 | - | |
| 581 | - /** | |
| 582 | - * Get js localize script in frontend. [NOT USED] | |
| 583 | - * | |
| 584 | - * @return mixed | |
| 585 | - */ | |
| 586 | - public function get_localize() { | |
| 587 | - $localize = array( | |
| 588 | - 'confirm_finish_quiz' => array( | |
| 589 | - 'title' => __( 'Finish quiz', 'learnpress' ), | |
| 590 | - 'message' => __( 'Are you sure you want to finish this quiz?', 'learnpress' ), | |
| 591 | - ), | |
| 592 | - 'confirm_retake_quiz' => array( | |
| 593 | - 'title' => __( 'Retake quiz', 'learnpress' ), | |
| 594 | - 'message' => __( 'Are you sure you want to retake this quiz?', 'learnpress' ), | |
| 595 | - ), | |
| 596 | - 'quiz_time_is_over' => array( | |
| 597 | - 'title' => __( 'Time\'s up!', 'learnpress' ), | |
| 598 | - 'message' => __( 'The time is up! Your quiz will automatically come to an end', 'learnpress' ), | |
| 599 | - ), | |
| 600 | - 'finished_quiz' => __( 'Congrats! You have finished this quiz', 'learnpress' ), | |
| 601 | - 'retaken_quiz' => __( 'Congrats! You have re-taken this quiz. Please wait a moment and the page will reload', 'learnpress' ), | |
| 602 | - ); | |
| 603 | - | |
| 604 | - return apply_filters( 'learn_press_single_quiz_localize', $localize, $this ); | |
| 605 | - } | |
| 606 | - | |
| 607 | - /** | |
| 608 | - * __isset function. | |
| 609 | - * | |
| 610 | - * @param mixed $key | |
| 611 | - * | |
| 612 | - * @return bool | |
| 613 | - */ | |
| 614 | - public function __isset( $key ) { | |
| 615 | - return metadata_exists( 'post', $this->get_id(), '_' . $key ); | |
| 616 | - } | |
| 617 | - | |
| 618 | - /** | |
| 619 | - * __get function. | |
| 620 | - * | |
| 621 | - * @param string $key | |
| 622 | - * | |
| 623 | - * @return mixed | |
| 624 | - * @deprecated 4.0.8 | |
| 625 | - */ | |
| 626 | - public function __get( $key ) { | |
| 627 | - _deprecated_function( __METHOD__, '4.0.8' ); | |
| 628 | - /*echo '@deprecated[' . $key . ']'; | |
| 629 | - learn_press_debug( debug_backtrace() ); | |
| 630 | - | |
| 631 | - return false;*/ | |
| 632 | - } | |
| 633 | - | |
| 634 | - /** | |
| 635 | - * @param $feature | |
| 636 | - * | |
| 637 | - * @return mixed | |
| 638 | - * @throws Exception | |
| 639 | - * @deprecated 3.0.8 | |
| 640 | - */ | |
| 641 | - public function has( $feature ) { | |
| 642 | - _deprecated_function( __FUNCTION__, '3.0.8' ); | |
| 643 | - | |
| 644 | - $args = func_get_args(); | |
| 645 | - unset( $args[0] ); | |
| 646 | - $method = 'has_' . preg_replace( '!-!', '_', $feature ); | |
| 647 | - $callback = array( $this, $method ); | |
| 648 | - if ( is_callable( $callback ) ) { | |
| 649 | - return call_user_func_array( $callback, $args ); | |
| 650 | - } else { | |
| 651 | - throw new Exception( sprintf( __( 'The function %s doesn\'t exist', 'learnpress' ), $feature ) ); | |
| 652 | - } | |
| 653 | - } | |
| 654 | - | |
| 655 | - /** | |
| 656 | - * Return TRUE if quiz contain a question. | |
| 657 | - * | |
| 658 | - * @param int $question_id | |
| 659 | - * | |
| 660 | - * @return bool | |
| 661 | - */ | |
| 662 | - public function has_question( $question_id ) { | |
| 663 | - $questions = $this->get_question_ids(); | |
| 664 | - | |
| 665 | - return apply_filters( 'learn-press/quiz/has-question', in_array( $question_id, $questions ), $question_id, $this->get_id() ); | |
| 666 | - } | |
| 667 | - | |
| 668 | - /** | |
| 669 | - * Get question permalink from it's ID. | |
| 670 | - * If permalink option is turn on, add name of question | |
| 671 | - * into quiz permalink. Otherwise, add it's ID into | |
| 672 | - * query var. | |
| 673 | - * | |
| 674 | - * @param int $question_id | |
| 675 | - * | |
| 676 | - * @return string | |
| 677 | - * @deprecated 4.2.0 | |
| 678 | - */ | |
| 679 | - public function get_question_link( $question_id = null ) { | |
| 680 | - _deprecated_function( __METHOD__, '4.2.0' ); | |
| 681 | - /*$course = learn_press_get_course(); | |
| 682 | - if ( ! $course ) { | |
| 683 | - return ''; | |
| 684 | - } | |
| 685 | - | |
| 686 | - $permalink = $course->get_item_link( $this->get_id() ); | |
| 687 | - if ( '' != get_option( 'permalink_structure' ) && get_post_status( $this->get_id() ) != 'draft' ) { | |
| 688 | - if ( get_post_type( $question_id ) === LP_QUESTION_CPT ) { | |
| 689 | - $question_name = get_post_field( 'post_name', $question_id ); | |
| 690 | - preg_match( '/\?/i', $permalink, $result ); | |
| 691 | - if ( empty( $result ) ) { | |
| 692 | - $permalink = $permalink . $question_name; | |
| 693 | - } else { | |
| 694 | - $permalink = preg_replace( '/\?/i', '/' . $question_name . '/?', $permalink ); | |
| 695 | - } | |
| 696 | - } | |
| 697 | - } else { | |
| 698 | - $permalink = esc_url_raw( add_query_arg( array( 'question', $question_id ), $permalink ) ); | |
| 699 | - } | |
| 700 | - | |
| 701 | - // @deprecated | |
| 702 | - $permalink = apply_filters( 'learn_press_quiz_question_permalink', $permalink, $question_id, $this ); | |
| 703 | - | |
| 704 | - return apply_filters( 'learn-press/quiz/question-permalink', $permalink, $question_id, $this->get_id() );*/ | |
| 705 | - } | |
| 706 | - | |
| 707 | - /** | |
| 708 | - * @param int $at | |
| 709 | - * | |
| 710 | - * @return bool | |
| 711 | - * @deprecated 4.1.6.9 | |
| 712 | - */ | |
| 713 | - /*public function get_question_at( $at = 0 ) { | |
| 714 | - $questions = $this->get_questions(); | |
| 715 | - | |
| 716 | - if ( $questions ) { | |
| 717 | - $questions = array_values( $questions ); | |
| 718 | - | |
| 719 | - return @$questions[ $at ]; | |
| 720 | - } | |
| 721 | - | |
| 722 | - return false; | |
| 723 | - }*/ | |
| 724 | - | |
| 725 | - /** | |
| 726 | - * Get prev question from a question. | |
| 727 | - * | |
| 728 | - * @param int $id | |
| 729 | - * | |
| 730 | - * @return bool | |
| 731 | - * @deprecated 4.1.6.9 | |
| 732 | - */ | |
| 733 | - /*public function get_prev_question( $id ) { | |
| 734 | - $prev = false; | |
| 735 | - $questions = $this->get_questions(); | |
| 736 | - | |
| 737 | - if ( $questions ) { | |
| 738 | - $questions = array_values( $questions ); | |
| 739 | - $at = array_search( $id, $questions ); | |
| 740 | - | |
| 741 | - if ( 0 < $at ) { | |
| 742 | - $prev = $questions[ $at - 1 ]; | |
| 743 | - } | |
| 744 | - } | |
| 745 | - | |
| 746 | - return apply_filters( 'learn-press/quiz/prev-question-id', $prev, $this->get_id() ); | |
| 747 | - }*/ | |
| 748 | - | |
| 749 | - /** | |
| 750 | - * Get next question from a question. | |
| 751 | - * | |
| 752 | - * @param int $id | |
| 753 | - * | |
| 754 | - * @return bool | |
| 755 | - * @deprecated 4.1.6.9 | |
| 756 | - */ | |
| 757 | - /*public function get_next_question( $id ) { | |
| 758 | - $next = false; | |
| 759 | - $questions = $this->get_questions(); | |
| 760 | - | |
| 761 | - if ( $questions ) { | |
| 762 | - $questions = array_values( $questions ); | |
| 763 | - $at = array_search( $id, $questions ); | |
| 764 | - | |
| 765 | - if ( sizeof( $questions ) - 1 > $at ) { | |
| 766 | - $next = $questions[ $at + 1 ]; | |
| 767 | - } | |
| 768 | - } | |
| 769 | - | |
| 770 | - return apply_filters( 'learn-press/quiz/next-question-id', $next, $this->get_id() ); | |
| 771 | - }*/ | |
| 772 | - | |
| 773 | - /** | |
| 774 | - * Get index number of a question. | |
| 775 | - * | |
| 776 | - * @param int $id | |
| 777 | - * @param int $start | |
| 778 | - * | |
| 779 | - * @return bool|mixed | |
| 780 | - * @deprecated 4.1.6.9 | |
| 781 | - */ | |
| 782 | - /*public function get_question_index( $id, $start = 0 ) { | |
| 783 | - $index = 0; | |
| 784 | - $questions = $this->get_questions(); | |
| 785 | - | |
| 786 | - if ( $questions ) { | |
| 787 | - $questions = array_values( $questions ); | |
| 788 | - $index = array_search( $id, $questions ); | |
| 789 | - } | |
| 790 | - | |
| 791 | - return apply_filters( 'learn-press/quiz/question-index', intval( $start ) + $index, $this->get_id() ); | |
| 792 | - }*/ | |
| 793 | - | |
| 794 | - /** | |
| 795 | - * Check question. | |
| 796 | - * | |
| 797 | - * @param $question_id | |
| 798 | - * @param $user_id | |
| 799 | - * | |
| 800 | - * @return bool | |
| 801 | - * @deprecated 4.2.0 | |
| 802 | - */ | |
| 803 | - public function check_question( $question_id, $user_id ) { | |
| 804 | - _deprecated_function( __METHOD__, '4.2.0' ); | |
| 805 | - /*$question = LP_Question::get_question( $question_id ); | |
| 806 | - | |
| 807 | - if ( ! $question ) { | |
| 808 | - return false; | |
| 809 | - } | |
| 810 | - | |
| 811 | - $user = learn_press_get_user( $user_id ); | |
| 812 | - | |
| 813 | - $history = $user->get_quiz_results( $this->get_id() ); | |
| 814 | - | |
| 815 | - if ( ! $history ) { | |
| 816 | - return false; | |
| 817 | - } | |
| 818 | - | |
| 819 | - $checked = array(); | |
| 820 | - $checked = array_filter( $checked ); | |
| 821 | - | |
| 822 | - if ( ! in_array( $question_id, $checked ) ) { | |
| 823 | - $checked[] = $question_id; | |
| 824 | - } | |
| 825 | - | |
| 826 | - return true;*/ | |
| 827 | - | |
| 828 | - } | |
| 829 | - | |
| 830 | - /** | |
| 831 | - * Get question position in quiz. | |
| 832 | - * | |
| 833 | - * @param $question | |
| 834 | - * @param int $user_id | |
| 835 | - * | |
| 836 | - * @return false|int|string | |
| 837 | - * @deprecated 4.2.0 | |
| 838 | - */ | |
| 839 | - public function get_question_position( $question, $user_id = 0 ) { | |
| 840 | - _deprecated_function( __METHOD__, '4.2.0' ); | |
| 841 | - /*if ( ! $user_id ) { | |
| 842 | - $user_id = learn_press_get_current_user_id(); | |
| 843 | - } | |
| 844 | - | |
| 845 | - $user = learn_press_get_user( $user_id ); | |
| 846 | - $results = $user->get_quiz_results( $this->get_id(), '', '' ); | |
| 847 | - | |
| 848 | - if ( $user && $results ) { | |
| 849 | - $questions = (array) $results->questions; | |
| 850 | - | |
| 851 | - } else { | |
| 852 | - $questions = $this->get_question_ids(); | |
| 853 | - } | |
| 854 | - | |
| 855 | - $position = array_search( $question, $questions ); | |
| 856 | - | |
| 857 | - return $position;*/ | |
| 858 | - } | |
| 859 | - | |
| 860 | - /** | |
| 861 | - * @param int $user_id | |
| 862 | - * @param int $course_id | |
| 863 | - * | |
| 864 | - * @return bool|LP_Question | |
| 865 | - * @deprecated 4.0.0 | |
| 866 | - */ | |
| 867 | - public function get_current_question( $user_id = 0, $course_id = 0 ) { | |
| 868 | - _deprecated_function( sprintf( '%s::%s', __CLASS__, __FUNCTION__ ), '4.0.0' ); | |
| 869 | - | |
| 870 | - /*$user = learn_press_get_user( $user_id ); | |
| 871 | - $id = $user->get_current_quiz_question( $this->get_id(), $course_id ); | |
| 872 | - | |
| 873 | - return LP_Question::get_question( $id );*/ | |
| 874 | - } | |
| 875 | - | |
| 876 | - /** | |
| 877 | - * @param string $return | |
| 878 | - * | |
| 879 | - * @return LP_Question|int | |
| 880 | - */ | |
| 881 | - public function get_viewing_question( $return = '' ) { | |
| 882 | - global $lp_quiz_question; | |
| 883 | - | |
| 884 | - return $return !== 'id' ? $lp_quiz_question : ( $lp_quiz_question ? $lp_quiz_question->get_id() : 0 ); | |
| 885 | - } | |
| 886 | - | |
| 887 | - /** | |
| 888 | - * @param mixed $the_quiz | |
| 889 | - * @param array $args | |
| 890 | - * | |
| 891 | - * @return LP_Quiz|bool | |
| 892 | - */ | |
| 893 | - public static function get_quiz( $the_quiz = false, $args = array() ) { | |
| 894 | - if ( is_numeric( $the_quiz ) && isset( LP_Global::$quizzes[ $the_quiz ] ) ) { | |
| 895 | - return LP_Global::$quizzes[ $the_quiz ]; | |
| 896 | - } | |
| 897 | - | |
| 898 | - $the_quiz = self::get_quiz_object( $the_quiz ); | |
| 899 | - | |
| 900 | - if ( ! $the_quiz ) { | |
| 901 | - return false; | |
| 902 | - } | |
| 903 | - | |
| 904 | - if ( isset( LP_Global::$quizzes[ $the_quiz->ID ] ) ) { | |
| 905 | - return LP_Global::$quizzes[ $the_quiz->ID ]; | |
| 906 | - } | |
| 907 | - | |
| 908 | - if ( ! empty( $args['force'] ) ) { | |
| 909 | - $force = ! ! $args['force']; | |
| 910 | - unset( $args['force'] ); | |
| 911 | - } else { | |
| 912 | - $force = false; | |
| 913 | - } | |
| 914 | - $key_args = wp_parse_args( | |
| 915 | - $args, | |
| 916 | - array( | |
| 917 | - 'id' => $the_quiz->ID, | |
| 918 | - 'type' => $the_quiz->post_type, | |
| 919 | - ) | |
| 920 | - ); | |
| 921 | - | |
| 922 | - $key = LP_Helper::array_to_md5( $key_args ); | |
| 923 | - | |
| 924 | - if ( $force ) { | |
| 925 | - LP_Global::$quizzes[ $key ] = false; | |
| 926 | - LP_Global::$quizzes[ $the_quiz->ID ] = false; | |
| 927 | - } | |
| 928 | - | |
| 929 | - if ( empty( LP_Global::$quizzes[ $key ] ) ) { | |
| 930 | - $class_name = self::get_quiz_class( $the_quiz, $args ); | |
| 931 | - if ( is_string( $class_name ) && class_exists( $class_name ) ) { | |
| 932 | - $quiz = new $class_name( $the_quiz->ID, $args ); | |
| 933 | - } elseif ( $class_name instanceof LP_Course_Item ) { | |
| 934 | - $quiz = $class_name; | |
| 935 | - } else { | |
| 936 | - $quiz = new self( $the_quiz->ID, $args ); | |
| 937 | - } | |
| 938 | - LP_Global::$quizzes[ $key ] = $quiz; | |
| 939 | - LP_Global::$quizzes[ $the_quiz->ID ] = $quiz; | |
| 940 | - } | |
| 941 | - | |
| 942 | - return LP_Global::$quizzes[ $key ]; | |
| 943 | - } | |
| 944 | - | |
| 945 | - /** | |
| 946 | - * @param string $quiz_type | |
| 947 | - * | |
| 948 | - * @return string|false | |
| 949 | - */ | |
| 950 | - private static function get_class_name_from_quiz_type( $quiz_type ) { | |
| 951 | - return LP_QUIZ_CPT === $quiz_type ? __CLASS__ : 'LP_Quiz_' . implode( '_', array_map( 'ucfirst', explode( '-', $quiz_type ) ) ); | |
| 952 | - } | |
| 953 | - | |
| 954 | - /** | |
| 955 | - * Get the lesson class name | |
| 956 | - * | |
| 957 | - * @param WP_Post $the_quiz | |
| 958 | - * @param array $args (default: array()) | |
| 959 | - * | |
| 960 | - * @return string | |
| 961 | - */ | |
| 962 | - private static function get_quiz_class( $the_quiz, $args = array() ) { | |
| 963 | - $quiz_id = absint( $the_quiz->ID ); | |
| 964 | - $type = $the_quiz->post_type; | |
| 965 | - | |
| 966 | - $class_name = self::get_class_name_from_quiz_type( $type ); | |
| 967 | - | |
| 968 | - // Filter class name so that the class can be overridden if extended. | |
| 969 | - return apply_filters( 'learn-press/quiz/object-class', $class_name, $type, $quiz_id ); | |
| 970 | - } | |
| 971 | - | |
| 972 | - /** | |
| 973 | - * Get the quiz object | |
| 974 | - * | |
| 975 | - * @param mixed $the_quiz | |
| 976 | - * | |
| 977 | - * @uses WP_Post | |
| 978 | - * @return WP_Post|bool false on failure | |
| 979 | - */ | |
| 980 | - private static function get_quiz_object( $the_quiz ) { | |
| 981 | - if ( false === $the_quiz ) { | |
| 982 | - $the_quiz = get_post_type() === LP_QUIZ_CPT ? $GLOBALS['post'] : false; | |
| 983 | - } elseif ( is_numeric( $the_quiz ) ) { | |
| 984 | - $the_quiz = get_post( $the_quiz ); | |
| 985 | - } elseif ( $the_quiz instanceof LP_Course_Item ) { | |
| 986 | - $the_quiz = get_post( $the_quiz->get_id() ); | |
| 987 | - } elseif ( ! ( $the_quiz instanceof WP_Post ) ) { | |
| 988 | - $the_quiz = false; | |
| 989 | - } | |
| 990 | - | |
| 991 | - return apply_filters( 'learn-press/quiz/post-object', $the_quiz ); | |
| 992 | - } | |
| 993 | - | |
| 994 | - public function set_show_hide_question( $show_or_hide ) { | |
| 995 | - $this->_set_data( 'show_hide_question', $show_or_hide ); | |
| 996 | - } | |
| 997 | - | |
| 998 | - /** | |
| 999 | - * Set quiz is preview or not. | |
| 1000 | - * using | |
| 1001 | - */ | |
| 1002 | - public function set_preview( $preview ) { | |
| 1003 | - $this->_set_data( 'preview', $preview ); | |
| 1004 | - } | |
| 1005 | - | |
| 1006 | - /** | |
| 1007 | - * @deprecated | |
| 1008 | - * | |
| 1009 | - * @param $skip | |
| 1010 | - */ | |
| 1011 | - public function set_minus_skip_questions( $skip ) { | |
| 1012 | - $this->_set_data( 'minus_skip_questions', $skip ); | |
| 1013 | - } | |
| 1014 | - | |
| 1015 | - /** | |
| 1016 | - * Get quiz is preview or not. | |
| 1017 | - * using | |
| 1018 | - */ | |
| 1019 | - public function get_preview() { | |
| 1020 | - return 'yes' === $this->get_data( 'preview' ); | |
| 1021 | - } | |
| 1022 | - | |
| 1023 | - // public function get_minus_points() { | |
| 1024 | - // return $this->get_data( 'minus_points' ); | |
| 1025 | - // } | |
| 1026 | - | |
| 1027 | - /** | |
| 1028 | - * Get option skip question will be minus points | |
| 1029 | - * | |
| 1030 | - * @return bool | |
| 1031 | - */ | |
| 1032 | - public function get_minus_skip_questions(): bool { | |
| 1033 | - return 'yes' === $this->get_data( 'minus_skip_questions', 'no' ); | |
| 1034 | - } | |
| 1035 | - | |
| 1036 | - /** | |
| 1037 | - * Get css classes of question displays in a list. | |
| 1038 | - * | |
| 1039 | - * @param int $question_id | |
| 1040 | - * @param null $position | |
| 1041 | - * | |
| 1042 | - * @return array | |
| 1043 | - * @deprecated 4.1.6.9 | |
| 1044 | - */ | |
| 1045 | - /*public function get_question_number_class( $question_id, $position = null ) { | |
| 1046 | - if ( null === $position ) { | |
| 1047 | - $position = $this->get_question_index( $question_id ); | |
| 1048 | - } | |
| 1049 | - | |
| 1050 | - $class = array( 'question-' . $position ); | |
| 1051 | - | |
| 1052 | - if ( $this->is_viewing_question( $question_id ) ) { | |
| 1053 | - $class[] = 'current'; | |
| 1054 | - } | |
| 1055 | - | |
| 1056 | - $user = learn_press_get_current_user(); | |
| 1057 | - $quiz_data = $user->get_quiz_data( $this->get_id() ); | |
| 1058 | - | |
| 1059 | - if ( $quiz_data ) { | |
| 1060 | - if ( $quiz_data->is_skipped( $question_id ) ) { | |
| 1061 | - $class[] = 'skipped'; | |
| 1062 | - } | |
| 1063 | - } | |
| 1064 | - | |
| 1065 | - return $class; | |
| 1066 | - }*/ | |
| 1067 | - | |
| 1068 | - /** | |
| 1069 | - * @param mixed $offset | |
| 1070 | - * | |
| 1071 | - * @return bool|mixed | |
| 1072 | - * @deprecated 4.2.0 | |
| 1073 | - */ | |
| 1074 | - public function offsetGet( $offset ) { | |
| 1075 | - _deprecated_function( __CLASS__ . '::' . __METHOD__, '4.2.0' ); | |
| 1076 | - return $this->offsetExists( $offset ) ? $this->_questions[ $offset ] : false; | |
| 1077 | - } | |
| 1078 | - | |
| 1079 | - /** | |
| 1080 | - * @param mixed $offset | |
| 1081 | - * | |
| 1082 | - * @return bool | |
| 1083 | - * @deprecated 4.2.0 | |
| 1084 | - */ | |
| 1085 | - public function offsetExists( $offset ) { | |
| 1086 | - _deprecated_function( __CLASS__ . '::' . __METHOD__, '4.2.0' ); | |
| 1087 | - /*return array_key_exists( $offset, $this->_questions );*/ | |
| 1088 | - } | |
| 1089 | - } | |
| 1090 | -} | |
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Class LP_Quiz. | |
| 4 | + * | |
| 5 | + * @author ThimPress | |
| 6 | + * @package LearnPress/Classes | |
| 7 | + * @version 3.0.0 | |
| 8 | + */ | |
| 9 | + | |
| 10 | +defined( 'ABSPATH' ) || exit(); | |
| 11 | + | |
| 12 | +if ( ! class_exists( 'LP_Quiz' ) ) { | |
| 13 | + | |
| 14 | + /** | |
| 15 | + * Class LP_Quiz | |
| 16 | + */ | |
| 17 | + class LP_Quiz extends LP_Course_Item { | |
| 18 | + | |
| 19 | + | |
| 20 | + /** | |
| 21 | + * @var array | |
| 22 | + * | |
| 23 | + * @deprecated | |
| 24 | + */ | |
| 25 | + protected static $_meta = array(); | |
| 26 | + | |
| 27 | + /** | |
| 28 | + * @var string | |
| 29 | + */ | |
| 30 | + protected $_item_type = LP_QUIZ_CPT; | |
| 31 | + | |
| 32 | + /** | |
| 33 | + * @var array | |
| 34 | + */ | |
| 35 | + protected $_questions = array(); | |
| 36 | + | |
| 37 | + /** | |
| 38 | + * @var array | |
| 39 | + */ | |
| 40 | + protected $_data = array( | |
| 41 | + // 'show_result' => 'no', | |
| 42 | + 'passing_grade_type' => '', | |
| 43 | + 'passing_grade' => 0, | |
| 44 | + // 'show_check_answer' => 'no', | |
| 45 | + // 'count_check_answer' => 0, | |
| 46 | + // 'show_hint' => 'no', | |
| 47 | + // 'count_hint' => 0, | |
| 48 | + // 'archive_history' => 'no', | |
| 49 | + // 'show_hide_question' => 'yes', | |
| 50 | + // 'preview' => 'no', | |
| 51 | + // 'minus_points' => 0, | |
| 52 | + 'minus_skip_questions' => 'no', | |
| 53 | + | |
| 54 | + 'negative_marking' => 'no', | |
| 55 | + 'instant_check' => 'no', | |
| 56 | + 'retake_count' => 0, | |
| 57 | + 'show_correct_review' => 'yes', | |
| 58 | + ); | |
| 59 | + | |
| 60 | + /** | |
| 61 | + * @var int | |
| 62 | + */ | |
| 63 | + protected static $_loaded = 0; | |
| 64 | + | |
| 65 | + /** | |
| 66 | + * Constructor gets the post object and sets the ID for the loaded course. | |
| 67 | + * | |
| 68 | + * @param mixed $the_quiz | |
| 69 | + * @param mixed $args | |
| 70 | + */ | |
| 71 | + public function __construct( $the_quiz, $args = array() ) { | |
| 72 | + $this->_curd = new LP_Quiz_CURD(); | |
| 73 | + | |
| 74 | + if ( is_numeric( $the_quiz ) && $the_quiz > 0 ) { | |
| 75 | + $this->set_id( $the_quiz ); | |
| 76 | + } elseif ( $the_quiz instanceof self ) { | |
| 77 | + $this->set_id( absint( $the_quiz->get_id() ) ); | |
| 78 | + } elseif ( ! empty( $the_quiz->ID ) ) { | |
| 79 | + $this->set_id( absint( $the_quiz->ID ) ); | |
| 80 | + } | |
| 81 | + if ( $this->get_id() > 0 ) { | |
| 82 | + $this->load(); | |
| 83 | + } | |
| 84 | + | |
| 85 | + self::$_loaded ++; | |
| 86 | + if ( self::$_loaded == 1 ) { | |
| 87 | + add_filter( 'debug_data', array( __CLASS__, 'log' ) ); | |
| 88 | + } | |
| 89 | + } | |
| 90 | + | |
| 91 | + /** | |
| 92 | + * Log debug data. | |
| 93 | + * | |
| 94 | + * @since 3.0.0 | |
| 95 | + * | |
| 96 | + * @param $data | |
| 97 | + * | |
| 98 | + * @return array | |
| 99 | + */ | |
| 100 | + public static function log( $data ) { | |
| 101 | + $data[] = __CLASS__ . '( ' . self::$_loaded . ' )'; | |
| 102 | + | |
| 103 | + return $data; | |
| 104 | + } | |
| 105 | + | |
| 106 | + /** | |
| 107 | + * @param string $context | |
| 108 | + * | |
| 109 | + * @return string | |
| 110 | + */ | |
| 111 | + public function get_heading_title( $context = '' ) { | |
| 112 | + return $this->get_title( $context ); | |
| 113 | + } | |
| 114 | + | |
| 115 | + /** | |
| 116 | + * Load quiz data | |
| 117 | + */ | |
| 118 | + public function load() { | |
| 119 | + $this->_curd->load( $this ); | |
| 120 | + } | |
| 121 | + | |
| 122 | + /** | |
| 123 | + * Get default quiz meta. | |
| 124 | + * | |
| 125 | + * @since 3.0.0 | |
| 126 | + * | |
| 127 | + * @return mixed | |
| 128 | + */ | |
| 129 | + public static function get_default_meta() { | |
| 130 | + $meta = array( | |
| 131 | + 'review' => 'no', | |
| 132 | + 'duration' => '10 minute', | |
| 133 | + 'passing_grade' => 80, | |
| 134 | + 'negative_marking' => 'no', | |
| 135 | + 'instant_check' => 'no', | |
| 136 | + 'retake_count' => '0', | |
| 137 | + 'pagination' => 1, | |
| 138 | + 'show_correct_review' => 'yes', | |
| 139 | + ); | |
| 140 | + | |
| 141 | + return apply_filters( 'learn-press/quiz/default-meta', $meta ); | |
| 142 | + } | |
| 143 | + | |
| 144 | + /** | |
| 145 | + * Save quiz data. | |
| 146 | + * | |
| 147 | + * @return mixed | |
| 148 | + * | |
| 149 | + * @throws Exception | |
| 150 | + */ | |
| 151 | + public function save() { | |
| 152 | + if ( $this->get_id() ) { | |
| 153 | + $return = $this->_curd->update( $this ); | |
| 154 | + } else { | |
| 155 | + $return = $this->_curd->create( $this ); | |
| 156 | + } | |
| 157 | + | |
| 158 | + return $return; | |
| 159 | + } | |
| 160 | + | |
| 161 | + public function get_negative_marking() { | |
| 162 | + return $this->get_data( 'negative_marking' ) === 'yes'; | |
| 163 | + } | |
| 164 | + | |
| 165 | + public function set_negative_marking( $set ) { | |
| 166 | + $this->_set_data( 'negative_marking', ! learn_press_is_negative_value( $set ) ? 'yes' : 'no' ); | |
| 167 | + } | |
| 168 | + | |
| 169 | + public function get_show_correct_review() { | |
| 170 | + return $this->get_data( 'show_correct_review' ) === 'yes'; | |
| 171 | + } | |
| 172 | + | |
| 173 | + public function set_show_correct_review( $set ) { | |
| 174 | + $this->_set_data( 'show_correct_review', $set ); | |
| 175 | + } | |
| 176 | + | |
| 177 | + public function get_instant_check() { | |
| 178 | + return $this->get_data( 'instant_check' ) === 'yes'; | |
| 179 | + } | |
| 180 | + | |
| 181 | + public function set_instant_check( $set ) { | |
| 182 | + $this->_set_data( 'instant_check', ! learn_press_is_negative_value( $set ) ? 'yes' : 'no' ); | |
| 183 | + } | |
| 184 | + | |
| 185 | + public function set_retake_count( $count ) { | |
| 186 | + $this->_set_data( 'retake_count', $count ); | |
| 187 | + } | |
| 188 | + | |
| 189 | + public function get_retake_count() { | |
| 190 | + return $this->get_data( 'retake_count' ); | |
| 191 | + } | |
| 192 | + | |
| 193 | + public function get_pagination() { | |
| 194 | + return ( $n = $this->get_data( 'pagination' ) ) > 1 ? $n : 0; | |
| 195 | + } | |
| 196 | + | |
| 197 | + public function set_pagination( $set ) { | |
| 198 | + $this->_set_data( 'pagination', absint( $set ) ); | |
| 199 | + } | |
| 200 | + | |
| 201 | + /** | |
| 202 | + * @deprecated | |
| 203 | + * | |
| 204 | + * @param $show_result | |
| 205 | + */ | |
| 206 | + public function set_show_result( $show_result ) { | |
| 207 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 208 | + | |
| 209 | + $this->_set_data( 'show_result', $show_result ); | |
| 210 | + } | |
| 211 | + | |
| 212 | + /** | |
| 213 | + * @deprecated | |
| 214 | + * | |
| 215 | + * @return array|mixed | |
| 216 | + */ | |
| 217 | + public function get_show_result() { | |
| 218 | + | |
| 219 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 220 | + | |
| 221 | + return $this->get_data( 'show_result' ) === 'yes'; | |
| 222 | + } | |
| 223 | + | |
| 224 | + /** | |
| 225 | + * | |
| 226 | + * @param $review_questions | |
| 227 | + */ | |
| 228 | + public function set_review_questions( $review_questions ) { | |
| 229 | + | |
| 230 | + $this->_set_data( 'review_questions', $review_questions ); | |
| 231 | + } | |
| 232 | + | |
| 233 | + /** | |
| 234 | + * Enable review quiz | |
| 235 | + * | |
| 236 | + * @return bool | |
| 237 | + */ | |
| 238 | + public function get_review_questions(): bool { | |
| 239 | + return 'yes' === $this->get_data( 'review_questions', 'yes' ); | |
| 240 | + } | |
| 241 | + | |
| 242 | + /** | |
| 243 | + * @param $type | |
| 244 | + */ | |
| 245 | + public function set_passing_grade_type( $type ) { | |
| 246 | + $this->_set_data( 'passing_grade_type', $type ); | |
| 247 | + } | |
| 248 | + | |
| 249 | + /** | |
| 250 | + * @return array|mixed | |
| 251 | + */ | |
| 252 | + public function get_passing_grade_type() { | |
| 253 | + return $this->get_data( 'passing_grade_type', 'percentage' ); | |
| 254 | + } | |
| 255 | + | |
| 256 | + /** | |
| 257 | + * @param $value | |
| 258 | + */ | |
| 259 | + public function set_passing_grade( $value ) { | |
| 260 | + $this->_set_data( 'passing_grade', $value ); | |
| 261 | + } | |
| 262 | + | |
| 263 | + /** | |
| 264 | + * @return array|mixed | |
| 265 | + */ | |
| 266 | + public function get_passing_grade() { | |
| 267 | + $type = $this->get_passing_grade_type(); | |
| 268 | + $value = get_post_meta( $this->get_id(), '_lp_passing_grade', true ); | |
| 269 | + if ( empty( $value ) ) { | |
| 270 | + $value = 80; | |
| 271 | + } | |
| 272 | + | |
| 273 | + switch ( $type ) { | |
| 274 | + case 'point': | |
| 275 | + break; | |
| 276 | + case 'percentage': | |
| 277 | + default: | |
| 278 | + $value = "{$value}%"; | |
| 279 | + break; | |
| 280 | + } | |
| 281 | + | |
| 282 | + return $value; | |
| 283 | + } | |
| 284 | + | |
| 285 | + /** | |
| 286 | + * @deprecated | |
| 287 | + * | |
| 288 | + * @param $value | |
| 289 | + */ | |
| 290 | + public function set_show_check_answer( $value ) { | |
| 291 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 292 | + | |
| 293 | + $this->_set_data( 'show_check_answer', $value ); | |
| 294 | + } | |
| 295 | + | |
| 296 | + /** | |
| 297 | + * @deprecated | |
| 298 | + * | |
| 299 | + * @return int|bool | |
| 300 | + */ | |
| 301 | + public function get_show_check_answer() { | |
| 302 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 303 | + | |
| 304 | + return intval( $this->get_data( 'show_check_answer' ) ); | |
| 305 | + } | |
| 306 | + | |
| 307 | + /** | |
| 308 | + * @deprecated | |
| 309 | + * | |
| 310 | + * @param $count | |
| 311 | + */ | |
| 312 | + public function set_count_check_answer( $count ) { | |
| 313 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 314 | + | |
| 315 | + $this->_set_data( 'count_check_answer', $count ); | |
| 316 | + } | |
| 317 | + | |
| 318 | + /** | |
| 319 | + * @deprecated | |
| 320 | + * | |
| 321 | + * @return int | |
| 322 | + */ | |
| 323 | + public function get_check_answer_count() { | |
| 324 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 325 | + | |
| 326 | + return intval( $this->get_data( 'check_answer_count' ) ); | |
| 327 | + } | |
| 328 | + | |
| 329 | + /** | |
| 330 | + * @deprecated | |
| 331 | + * | |
| 332 | + * @param $value | |
| 333 | + */ | |
| 334 | + public function set_show_hint( $value ) { | |
| 335 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 336 | + | |
| 337 | + $this->_set_data( 'show_hint', $value ); | |
| 338 | + } | |
| 339 | + | |
| 340 | + /** | |
| 341 | + * @deprecated | |
| 342 | + * | |
| 343 | + * @return int | |
| 344 | + */ | |
| 345 | + public function get_show_hint() { | |
| 346 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 347 | + | |
| 348 | + return intval( $this->get_data( 'show_hint' ) ); | |
| 349 | + } | |
| 350 | + | |
| 351 | + /** | |
| 352 | + * @deprecated | |
| 353 | + * | |
| 354 | + * @param $count | |
| 355 | + */ | |
| 356 | + public function set_count_hint( $count ) { | |
| 357 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 358 | + | |
| 359 | + $this->_set_data( 'count_hint', $count ); | |
| 360 | + } | |
| 361 | + | |
| 362 | + /** | |
| 363 | + * Return true if hint answer is enabled. | |
| 364 | + * | |
| 365 | + * @deprecated | |
| 366 | + * | |
| 367 | + * @return bool | |
| 368 | + */ | |
| 369 | + public function enable_show_hint() { | |
| 370 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 371 | + | |
| 372 | + return apply_filters( 'learn-press/quiz/enable-show-hint', $this->get_data( 'show_hint' ) == 'yes', $this->get_id() ); | |
| 373 | + } | |
| 374 | + | |
| 375 | + /** | |
| 376 | + * @deprecated | |
| 377 | + * | |
| 378 | + * @param $value | |
| 379 | + */ | |
| 380 | + public function set_archive_history( $value ) { | |
| 381 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 382 | + | |
| 383 | + $this->_set_data( 'archive_history', $value ); | |
| 384 | + } | |
| 385 | + | |
| 386 | + /** | |
| 387 | + * Return true if archive history is enabled. | |
| 388 | + * | |
| 389 | + * @deprecated | |
| 390 | + * | |
| 391 | + * @return bool | |
| 392 | + */ | |
| 393 | + public function enable_archive_history() { | |
| 394 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.0.0' ); | |
| 395 | + | |
| 396 | + return apply_filters( 'learn-press/quiz/enable-archive-history', $this->get_data( 'archive_history' ) == 'yes', $this->get_id() ); | |
| 397 | + } | |
| 398 | + | |
| 399 | + /** | |
| 400 | + * Return total mark of quiz by calculating total mark of all questions. | |
| 401 | + * | |
| 402 | + * @return int | |
| 403 | + */ | |
| 404 | + public function get_mark() { | |
| 405 | + $mark = $this->get_data( 'mark', false ); | |
| 406 | + if ( false === $mark || '' === $mark ) { | |
| 407 | + $questions = $this->get_question_ids(); | |
| 408 | + $mark = 0; | |
| 409 | + | |
| 410 | + foreach ( $questions as $question_id ) { | |
| 411 | + $question = LP_Question::get_question( $question_id ); | |
| 412 | + if ( $question ) { | |
| 413 | + $mark += $question->get_mark(); | |
| 414 | + } | |
| 415 | + } | |
| 416 | + | |
| 417 | + $this->_set_data( 'mark', $mark ); | |
| 418 | + } | |
| 419 | + | |
| 420 | + return apply_filters( 'learn-press/quiz-mark', $mark, $this->get_id() ); | |
| 421 | + } | |
| 422 | + | |
| 423 | + /** | |
| 424 | + * Get duration of quiz | |
| 425 | + * | |
| 426 | + * @return LP_Duration | |
| 427 | + */ | |
| 428 | + public function get_duration() { | |
| 429 | + $duration = parent::get_duration(); | |
| 430 | + | |
| 431 | + return apply_filters( 'learn-press/quiz-duration', $duration, $this->get_id() ); | |
| 432 | + } | |
| 433 | + | |
| 434 | + /** | |
| 435 | + * Get quiz questions. | |
| 436 | + * | |
| 437 | + * @param string $context | |
| 438 | + * | |
| 439 | + * @return mixed | |
| 440 | + * @editor tungnx | |
| 441 | + * @since 3.x.x | |
| 442 | + * @version 1.0.1 | |
| 443 | + * @deprecated 4.2.0 | |
| 444 | + */ | |
| 445 | + public function get_questions( $context = 'display' ) { | |
| 446 | + _deprecated_function( __CLASS__ . '::' . __FUNCTION__, '4.2.0' ); | |
| 447 | + $questions = array(); | |
| 448 | + $ids = $this->_curd->read_question_ids( $this->get_id() ); | |
| 449 | + | |
| 450 | + if ( $ids ) { | |
| 451 | + foreach ( $ids as $id ) { | |
| 452 | + $questions[ $id ] = $id; | |
| 453 | + } | |
| 454 | + } | |
| 455 | + | |
| 456 | + return apply_filters( 'learn-press/quiz/questions', $questions, $this->get_id(), $this->get_course_id(), $context ); | |
| 457 | + } | |
| 458 | + | |
| 459 | + /** | |
| 460 | + * Quiz editor get questions. | |
| 461 | + * | |
| 462 | + * @return mixed | |
| 463 | + */ | |
| 464 | + public function quiz_editor_get_questions() { | |
| 465 | + // list questions | |
| 466 | + $questions = $this->get_question_ids( 'edit' ); | |
| 467 | + // order questions in quiz | |
| 468 | + $question_order = learn_press_quiz_get_questions_order( $questions ); | |
| 469 | + | |
| 470 | + $result = array(); | |
| 471 | + | |
| 472 | + foreach ( $questions as $id ) { | |
| 473 | + $question = LP_Question::get_question( $id ); | |
| 474 | + | |
| 475 | + $answers = array(); | |
| 476 | + // handle question answer | |
| 477 | + if ( is_array( $question->get_data( 'answer_options' ) ) ) { | |
| 478 | + foreach ( $question->get_data( 'answer_options' ) as $answer ) { | |
| 479 | + $answers[] = $answer; | |
| 480 | + } | |
| 481 | + } | |
| 482 | + | |
| 483 | + $post = get_post( $id ); | |
| 484 | + $result[] = apply_filters( | |
| 485 | + 'learn-press/quiz-editor/question-data', | |
| 486 | + array( | |
| 487 | + 'id' => $id, | |
| 488 | + 'open' => false, | |
| 489 | + 'title' => $post->post_title, | |
| 490 | + 'type' => array( | |
| 491 | + 'key' => $question->get_type(), | |
| 492 | + 'label' => $question->get_type_label(), | |
| 493 | + ), | |
| 494 | + 'answers' => apply_filters( 'learn-press/quiz-editor/question-answers-data', $answers, $id, $this->get_id() ), | |
| 495 | + 'settings' => array( | |
| 496 | + 'content' => $post->post_content, | |
| 497 | + 'mark' => get_post_meta( $id, '_lp_mark', true ), | |
| 498 | + 'explanation' => get_post_meta( $id, '_lp_explanation', true ), | |
| 499 | + 'hint' => get_post_meta( $id, '_lp_hint', true ), | |
| 500 | + ), | |
| 501 | + 'order' => $question_order[ $id ], | |
| 502 | + ), | |
| 503 | + $id, | |
| 504 | + $this->get_id() | |
| 505 | + ); | |
| 506 | + } | |
| 507 | + | |
| 508 | + return apply_filters( 'learn-press/quiz/quiz_editor_questions', $result, $this->get_id() ); | |
| 509 | + } | |
| 510 | + | |
| 511 | + /** | |
| 512 | + * Get quiz duration html. | |
| 513 | + * | |
| 514 | + * @return mixed | |
| 515 | + */ | |
| 516 | + public function get_duration_html() { | |
| 517 | + $duration = $this->get_duration(); | |
| 518 | + if ( $duration ) { | |
| 519 | + $duration = learn_press_seconds_to_time( $duration->get_seconds() ); | |
| 520 | + } else { | |
| 521 | + $duration = __( 'Unlimited', 'learnpress' ); | |
| 522 | + } | |
| 523 | + | |
| 524 | + return apply_filters( 'learn_press_quiz_duration_html', $duration, $this ); | |
| 525 | + } | |
| 526 | + | |
| 527 | + /** | |
| 528 | + * Get number questions in quiz. | |
| 529 | + * | |
| 530 | + * @return int | |
| 531 | + */ | |
| 532 | + public function count_questions(): int { | |
| 533 | + $size = 0; | |
| 534 | + $questions = $this->get_question_ids(); | |
| 535 | + | |
| 536 | + if ( $questions ) { | |
| 537 | + $size = sizeof( $questions ); | |
| 538 | + } | |
| 539 | + | |
| 540 | + return (int) apply_filters( 'learn-press/quiz/count-questions', $size, $this->get_id() ); | |
| 541 | + } | |
| 542 | + | |
| 543 | + /** | |
| 544 | + * Get all question's ids of the quiz. | |
| 545 | + * | |
| 546 | + * @param string $context | |
| 547 | + * | |
| 548 | + * @return int[] | |
| 549 | + * @editor tungnx | |
| 550 | + * @version 1.0.1 | |
| 551 | + * @since 3.2.0 | |
| 552 | + */ | |
| 553 | + public function get_question_ids( string $context = 'display' ): array { | |
| 554 | + $question_ids = $this->_curd->read_question_ids( $this->get_id(), $context ); | |
| 555 | + $question_ids = apply_filters( 'learn-press/quiz/get-question-ids', $question_ids, $this->get_id(), $this->get_course_id(), $context ); | |
| 556 | + if ( ! is_array( $question_ids ) ) { | |
| 557 | + $question_ids = array(); | |
| 558 | + } | |
| 559 | + | |
| 560 | + return $question_ids; | |
| 561 | + } | |
| 562 | + | |
| 563 | + /** | |
| 564 | + * Get number questions for user do it. | |
| 565 | + * | |
| 566 | + * @return mixed|null | |
| 567 | + */ | |
| 568 | + public function get_number_questions_to_do() { | |
| 569 | + return apply_filters( 'learn-press/quiz/number-questions-show', $this->count_questions(), $this ); | |
| 570 | + } | |
| 571 | + | |
| 572 | + /** | |
| 573 | + * This quiz has any question? | |
| 574 | + * | |
| 575 | + * @return bool | |
| 576 | + */ | |
| 577 | + public function has_questions() { | |
| 578 | + return $this->count_questions() > 0; | |
| 579 | + } | |
| 580 | + | |
| 581 | + /** | |
| 582 | + * Get js localize script in frontend. [NOT USED] | |
| 583 | + * | |
| 584 | + * @return mixed | |
| 585 | + */ | |
| 586 | + public function get_localize() { | |
| 587 | + $localize = array( | |
| 588 | + 'confirm_finish_quiz' => array( | |
| 589 | + 'title' => __( 'Finish quiz', 'learnpress' ), | |
| 590 | + 'message' => __( 'Are you sure you want to finish this quiz?', 'learnpress' ), | |
| 591 | + ), | |
| 592 | + 'confirm_retake_quiz' => array( | |
| 593 | + 'title' => __( 'Retake quiz', 'learnpress' ), | |
| 594 | + 'message' => __( 'Are you sure you want to retake this quiz?', 'learnpress' ), | |
| 595 | + ), | |
| 596 | + 'quiz_time_is_over' => array( | |
| 597 | + 'title' => __( 'Time\'s up!', 'learnpress' ), | |
| 598 | + 'message' => __( 'The time is up! Your quiz will automatically come to an end', 'learnpress' ), | |
| 599 | + ), | |
| 600 | + 'finished_quiz' => __( 'Congrats! You have finished this quiz', 'learnpress' ), | |
| 601 | + 'retaken_quiz' => __( 'Congrats! You have re-taken this quiz. Please wait a moment and the page will reload', 'learnpress' ), | |
| 602 | + ); | |
| 603 | + | |
| 604 | + return apply_filters( 'learn_press_single_quiz_localize', $localize, $this ); | |
| 605 | + } | |
| 606 | + | |
| 607 | + /** | |
| 608 | + * __isset function. | |
| 609 | + * | |
| 610 | + * @param mixed $key | |
| 611 | + * | |
| 612 | + * @return bool | |
| 613 | + */ | |
| 614 | + public function __isset( $key ) { | |
| 615 | + return metadata_exists( 'post', $this->get_id(), '_' . $key ); | |
| 616 | + } | |
| 617 | + | |
| 618 | + /** | |
| 619 | + * __get function. | |
| 620 | + * | |
| 621 | + * @param string $key | |
| 622 | + * | |
| 623 | + * @return mixed | |
| 624 | + * @deprecated 4.0.8 | |
| 625 | + */ | |
| 626 | + public function __get( $key ) { | |
| 627 | + _deprecated_function( __METHOD__, '4.0.8' ); | |
| 628 | + /*echo '@deprecated[' . $key . ']'; | |
| 629 | + learn_press_debug( debug_backtrace() ); | |
| 630 | + | |
| 631 | + return false;*/ | |
| 632 | + } | |
| 633 | + | |
| 634 | + /** | |
| 635 | + * @param $feature | |
| 636 | + * | |
| 637 | + * @return mixed | |
| 638 | + * @throws Exception | |
| 639 | + * @deprecated 3.0.8 | |
| 640 | + */ | |
| 641 | + public function has( $feature ) { | |
| 642 | + _deprecated_function( __FUNCTION__, '3.0.8' ); | |
| 643 | + | |
| 644 | + $args = func_get_args(); | |
| 645 | + unset( $args[0] ); | |
| 646 | + $method = 'has_' . preg_replace( '!-!', '_', $feature ); | |
| 647 | + $callback = array( $this, $method ); | |
| 648 | + if ( is_callable( $callback ) ) { | |
| 649 | + return call_user_func_array( $callback, $args ); | |
| 650 | + } else { | |
| 651 | + throw new Exception( sprintf( __( 'The function %s doesn\'t exist', 'learnpress' ), $feature ) ); | |
| 652 | + } | |
| 653 | + } | |
| 654 | + | |
| 655 | + /** | |
| 656 | + * Return TRUE if quiz contain a question. | |
| 657 | + * | |
| 658 | + * @param int $question_id | |
| 659 | + * | |
| 660 | + * @return bool | |
| 661 | + */ | |
| 662 | + public function has_question( $question_id ) { | |
| 663 | + $questions = $this->get_question_ids(); | |
| 664 | + | |
| 665 | + return apply_filters( 'learn-press/quiz/has-question', in_array( $question_id, $questions ), $question_id, $this->get_id() ); | |
| 666 | + } | |
| 667 | + | |
| 668 | + /** | |
| 669 | + * Get question permalink from it's ID. | |
| 670 | + * If permalink option is turn on, add name of question | |
| 671 | + * into quiz permalink. Otherwise, add it's ID into | |
| 672 | + * query var. | |
| 673 | + * | |
| 674 | + * @param int $question_id | |
| 675 | + * | |
| 676 | + * @return string | |
| 677 | + * @deprecated 4.2.0 | |
| 678 | + */ | |
| 679 | + public function get_question_link( $question_id = null ) { | |
| 680 | + _deprecated_function( __METHOD__, '4.2.0' ); | |
| 681 | + /*$course = learn_press_get_course(); | |
| 682 | + if ( ! $course ) { | |
| 683 | + return ''; | |
| 684 | + } | |
| 685 | + | |
| 686 | + $permalink = $course->get_item_link( $this->get_id() ); | |
| 687 | + if ( '' != get_option( 'permalink_structure' ) && get_post_status( $this->get_id() ) != 'draft' ) { | |
| 688 | + if ( get_post_type( $question_id ) === LP_QUESTION_CPT ) { | |
| 689 | + $question_name = get_post_field( 'post_name', $question_id ); | |
| 690 | + preg_match( '/\?/i', $permalink, $result ); | |
| 691 | + if ( empty( $result ) ) { | |
| 692 | + $permalink = $permalink . $question_name; | |
| 693 | + } else { | |
| 694 | + $permalink = preg_replace( '/\?/i', '/' . $question_name . '/?', $permalink ); | |
| 695 | + } | |
| 696 | + } | |
| 697 | + } else { | |
| 698 | + $permalink = esc_url_raw( add_query_arg( array( 'question', $question_id ), $permalink ) ); | |
| 699 | + } | |
| 700 | + | |
| 701 | + // @deprecated | |
| 702 | + $permalink = apply_filters( 'learn_press_quiz_question_permalink', $permalink, $question_id, $this ); | |
| 703 | + | |
| 704 | + return apply_filters( 'learn-press/quiz/question-permalink', $permalink, $question_id, $this->get_id() );*/ | |
| 705 | + } | |
| 706 | + | |
| 707 | + /** | |
| 708 | + * @param int $at | |
| 709 | + * | |
| 710 | + * @return bool | |
| 711 | + * @deprecated 4.1.6.9 | |
| 712 | + */ | |
| 713 | + /*public function get_question_at( $at = 0 ) { | |
| 714 | + $questions = $this->get_questions(); | |
| 715 | + | |
| 716 | + if ( $questions ) { | |
| 717 | + $questions = array_values( $questions ); | |
| 718 | + | |
| 719 | + return @$questions[ $at ]; | |
| 720 | + } | |
| 721 | + | |
| 722 | + return false; | |
| 723 | + }*/ | |
| 724 | + | |
| 725 | + /** | |
| 726 | + * Get prev question from a question. | |
| 727 | + * | |
| 728 | + * @param int $id | |
| 729 | + * | |
| 730 | + * @return bool | |
| 731 | + * @deprecated 4.1.6.9 | |
| 732 | + */ | |
| 733 | + /*public function get_prev_question( $id ) { | |
| 734 | + $prev = false; | |
| 735 | + $questions = $this->get_questions(); | |
| 736 | + | |
| 737 | + if ( $questions ) { | |
| 738 | + $questions = array_values( $questions ); | |
| 739 | + $at = array_search( $id, $questions ); | |
| 740 | + | |
| 741 | + if ( 0 < $at ) { | |
| 742 | + $prev = $questions[ $at - 1 ]; | |
| 743 | + } | |
| 744 | + } | |
| 745 | + | |
| 746 | + return apply_filters( 'learn-press/quiz/prev-question-id', $prev, $this->get_id() ); | |
| 747 | + }*/ | |
| 748 | + | |
| 749 | + /** | |
| 750 | + * Get next question from a question. | |
| 751 | + * | |
| 752 | + * @param int $id | |
| 753 | + * | |
| 754 | + * @return bool | |
| 755 | + * @deprecated 4.1.6.9 | |
| 756 | + */ | |
| 757 | + /*public function get_next_question( $id ) { | |
| 758 | + $next = false; | |
| 759 | + $questions = $this->get_questions(); | |
| 760 | + | |
| 761 | + if ( $questions ) { | |
| 762 | + $questions = array_values( $questions ); | |
| 763 | + $at = array_search( $id, $questions ); | |
| 764 | + | |
| 765 | + if ( sizeof( $questions ) - 1 > $at ) { | |
| 766 | + $next = $questions[ $at + 1 ]; | |
| 767 | + } | |
| 768 | + } | |
| 769 | + | |
| 770 | + return apply_filters( 'learn-press/quiz/next-question-id', $next, $this->get_id() ); | |
| 771 | + }*/ | |
| 772 | + | |
| 773 | + /** | |
| 774 | + * Get index number of a question. | |
| 775 | + * | |
| 776 | + * @param int $id | |
| 777 | + * @param int $start | |
| 778 | + * | |
| 779 | + * @return bool|mixed | |
| 780 | + * @deprecated 4.1.6.9 | |
| 781 | + */ | |
| 782 | + /*public function get_question_index( $id, $start = 0 ) { | |
| 783 | + $index = 0; | |
| 784 | + $questions = $this->get_questions(); | |
| 785 | + | |
| 786 | + if ( $questions ) { | |
| 787 | + $questions = array_values( $questions ); | |
| 788 | + $index = array_search( $id, $questions ); | |
| 789 | + } | |
| 790 | + | |
| 791 | + return apply_filters( 'learn-press/quiz/question-index', intval( $start ) + $index, $this->get_id() ); | |
| 792 | + }*/ | |
| 793 | + | |
| 794 | + /** | |
| 795 | + * Check question. | |
| 796 | + * | |
| 797 | + * @param $question_id | |
| 798 | + * @param $user_id | |
| 799 | + * | |
| 800 | + * @return bool | |
| 801 | + * @deprecated 4.2.0 | |
| 802 | + */ | |
| 803 | + public function check_question( $question_id, $user_id ) { | |
| 804 | + _deprecated_function( __METHOD__, '4.2.0' ); | |
| 805 | + /*$question = LP_Question::get_question( $question_id ); | |
| 806 | + | |
| 807 | + if ( ! $question ) { | |
| 808 | + return false; | |
| 809 | + } | |
| 810 | + | |
| 811 | + $user = learn_press_get_user( $user_id ); | |
| 812 | + | |
| 813 | + $history = $user->get_quiz_results( $this->get_id() ); | |
| 814 | + | |
| 815 | + if ( ! $history ) { | |
| 816 | + return false; | |
| 817 | + } | |
| 818 | + | |
| 819 | + $checked = array(); | |
| 820 | + $checked = array_filter( $checked ); | |
| 821 | + | |
| 822 | + if ( ! in_array( $question_id, $checked ) ) { | |
| 823 | + $checked[] = $question_id; | |
| 824 | + } | |
| 825 | + | |
| 826 | + return true;*/ | |
| 827 | + | |
| 828 | + } | |
| 829 | + | |
| 830 | + /** | |
| 831 | + * Get question position in quiz. | |
| 832 | + * | |
| 833 | + * @param $question | |
| 834 | + * @param int $user_id | |
| 835 | + * | |
| 836 | + * @return false|int|string | |
| 837 | + * @deprecated 4.2.0 | |
| 838 | + */ | |
| 839 | + public function get_question_position( $question, $user_id = 0 ) { | |
| 840 | + _deprecated_function( __METHOD__, '4.2.0' ); | |
| 841 | + /*if ( ! $user_id ) { | |
| 842 | + $user_id = learn_press_get_current_user_id(); | |
| 843 | + } | |
| 844 | + | |
| 845 | + $user = learn_press_get_user( $user_id ); | |
| 846 | + $results = $user->get_quiz_results( $this->get_id(), '', '' ); | |
| 847 | + | |
| 848 | + if ( $user && $results ) { | |
| 849 | + $questions = (array) $results->questions; | |
| 850 | + | |
| 851 | + } else { | |
| 852 | + $questions = $this->get_question_ids(); | |
| 853 | + } | |
| 854 | + | |
| 855 | + $position = array_search( $question, $questions ); | |
| 856 | + | |
| 857 | + return $position;*/ | |
| 858 | + } | |
| 859 | + | |
| 860 | + /** | |
| 861 | + * @param int $user_id | |
| 862 | + * @param int $course_id | |
| 863 | + * | |
| 864 | + * @return bool|LP_Question | |
| 865 | + * @deprecated 4.0.0 | |
| 866 | + */ | |
| 867 | + public function get_current_question( $user_id = 0, $course_id = 0 ) { | |
| 868 | + _deprecated_function( sprintf( '%s::%s', __CLASS__, __FUNCTION__ ), '4.0.0' ); | |
| 869 | + | |
| 870 | + /*$user = learn_press_get_user( $user_id ); | |
| 871 | + $id = $user->get_current_quiz_question( $this->get_id(), $course_id ); | |
| 872 | + | |
| 873 | + return LP_Question::get_question( $id );*/ | |
| 874 | + } | |
| 875 | + | |
| 876 | + /** | |
| 877 | + * @param string $return | |
| 878 | + * | |
| 879 | + * @return LP_Question|int | |
| 880 | + */ | |
| 881 | + public function get_viewing_question( $return = '' ) { | |
| 882 | + global $lp_quiz_question; | |
| 883 | + | |
| 884 | + return $return !== 'id' ? $lp_quiz_question : ( $lp_quiz_question ? $lp_quiz_question->get_id() : 0 ); | |
| 885 | + } | |
| 886 | + | |
| 887 | + /** | |
| 888 | + * @param mixed $the_quiz | |
| 889 | + * @param array $args | |
| 890 | + * | |
| 891 | + * @return LP_Quiz|bool | |
| 892 | + */ | |
| 893 | + public static function get_quiz( $the_quiz = false, $args = array() ) { | |
| 894 | + if ( is_numeric( $the_quiz ) && isset( LP_Global::$quizzes[ $the_quiz ] ) ) { | |
| 895 | + return LP_Global::$quizzes[ $the_quiz ]; | |
| 896 | + } | |
| 897 | + | |
| 898 | + $the_quiz = self::get_quiz_object( $the_quiz ); | |
| 899 | + | |
| 900 | + if ( ! $the_quiz ) { | |
| 901 | + return false; | |
| 902 | + } | |
| 903 | + | |
| 904 | + if ( isset( LP_Global::$quizzes[ $the_quiz->ID ] ) ) { | |
| 905 | + return LP_Global::$quizzes[ $the_quiz->ID ]; | |
| 906 | + } | |
| 907 | + | |
| 908 | + if ( ! empty( $args['force'] ) ) { | |
| 909 | + $force = ! ! $args['force']; | |
| 910 | + unset( $args['force'] ); | |
| 911 | + } else { | |
| 912 | + $force = false; | |
| 913 | + } | |
| 914 | + $key_args = wp_parse_args( | |
| 915 | + $args, | |
| 916 | + array( | |
| 917 | + 'id' => $the_quiz->ID, | |
| 918 | + 'type' => $the_quiz->post_type, | |
| 919 | + ) | |
| 920 | + ); | |
| 921 | + | |
| 922 | + $key = LP_Helper::array_to_md5( $key_args ); | |
| 923 | + | |
| 924 | + if ( $force ) { | |
| 925 | + LP_Global::$quizzes[ $key ] = false; | |
| 926 | + LP_Global::$quizzes[ $the_quiz->ID ] = false; | |
| 927 | + } | |
| 928 | + | |
| 929 | + if ( empty( LP_Global::$quizzes[ $key ] ) ) { | |
| 930 | + $class_name = self::get_quiz_class( $the_quiz, $args ); | |
| 931 | + if ( is_string( $class_name ) && class_exists( $class_name ) ) { | |
| 932 | + $quiz = new $class_name( $the_quiz->ID, $args ); | |
| 933 | + } elseif ( $class_name instanceof LP_Course_Item ) { | |
| 934 | + $quiz = $class_name; | |
| 935 | + } else { | |
| 936 | + $quiz = new self( $the_quiz->ID, $args ); | |
| 937 | + } | |
| 938 | + LP_Global::$quizzes[ $key ] = $quiz; | |
| 939 | + LP_Global::$quizzes[ $the_quiz->ID ] = $quiz; | |
| 940 | + } | |
| 941 | + | |
| 942 | + return LP_Global::$quizzes[ $key ]; | |
| 943 | + } | |
| 944 | + | |
| 945 | + /** | |
| 946 | + * @param string $quiz_type | |
| 947 | + * | |
| 948 | + * @return string|false | |
| 949 | + */ | |
| 950 | + private static function get_class_name_from_quiz_type( $quiz_type ) { | |
| 951 | + return LP_QUIZ_CPT === $quiz_type ? __CLASS__ : 'LP_Quiz_' . implode( '_', array_map( 'ucfirst', explode( '-', $quiz_type ) ) ); | |
| 952 | + } | |
| 953 | + | |
| 954 | + /** | |
| 955 | + * Get the lesson class name | |
| 956 | + * | |
| 957 | + * @param WP_Post $the_quiz | |
| 958 | + * @param array $args (default: array()) | |
| 959 | + * | |
| 960 | + * @return string | |
| 961 | + */ | |
| 962 | + private static function get_quiz_class( $the_quiz, $args = array() ) { | |
| 963 | + $quiz_id = absint( $the_quiz->ID ); | |
| 964 | + $type = $the_quiz->post_type; | |
| 965 | + | |
| 966 | + $class_name = self::get_class_name_from_quiz_type( $type ); | |
| 967 | + | |
| 968 | + // Filter class name so that the class can be overridden if extended. | |
| 969 | + return apply_filters( 'learn-press/quiz/object-class', $class_name, $type, $quiz_id ); | |
| 970 | + } | |
| 971 | + | |
| 972 | + /** | |
| 973 | + * Get the quiz object | |
| 974 | + * | |
| 975 | + * @param mixed $the_quiz | |
| 976 | + * | |
| 977 | + * @uses WP_Post | |
| 978 | + * @return WP_Post|bool false on failure | |
| 979 | + */ | |
| 980 | + private static function get_quiz_object( $the_quiz ) { | |
| 981 | + if ( false === $the_quiz ) { | |
| 982 | + $the_quiz = get_post_type() === LP_QUIZ_CPT ? $GLOBALS['post'] : false; | |
| 983 | + } elseif ( is_numeric( $the_quiz ) ) { | |
| 984 | + $the_quiz = get_post( $the_quiz ); | |
| 985 | + } elseif ( $the_quiz instanceof LP_Course_Item ) { | |
| 986 | + $the_quiz = get_post( $the_quiz->get_id() ); | |
| 987 | + } elseif ( ! ( $the_quiz instanceof WP_Post ) ) { | |
| 988 | + $the_quiz = false; | |
| 989 | + } | |
| 990 | + | |
| 991 | + return apply_filters( 'learn-press/quiz/post-object', $the_quiz ); | |
| 992 | + } | |
| 993 | + | |
| 994 | + public function set_show_hide_question( $show_or_hide ) { | |
| 995 | + $this->_set_data( 'show_hide_question', $show_or_hide ); | |
| 996 | + } | |
| 997 | + | |
| 998 | + /** | |
| 999 | + * Set quiz is preview or not. | |
| 1000 | + * using | |
| 1001 | + */ | |
| 1002 | + public function set_preview( $preview ) { | |
| 1003 | + $this->_set_data( 'preview', $preview ); | |
| 1004 | + } | |
| 1005 | + | |
| 1006 | + /** | |
| 1007 | + * Set option skip question will be minus points | |
| 1008 | + * | |
| 1009 | + * @param $skip | |
| 1010 | + */ | |
| 1011 | + public function set_minus_skip_questions( $skip ) { | |
| 1012 | + $this->_set_data( 'minus_skip_questions', $skip ); | |
| 1013 | + } | |
| 1014 | + | |
| 1015 | + /** | |
| 1016 | + * Get quiz is preview or not. | |
| 1017 | + * using | |
| 1018 | + */ | |
| 1019 | + public function get_preview() { | |
| 1020 | + return 'yes' === $this->get_data( 'preview' ); | |
| 1021 | + } | |
| 1022 | + | |
| 1023 | + // public function get_minus_points() { | |
| 1024 | + // return $this->get_data( 'minus_points' ); | |
| 1025 | + // } | |
| 1026 | + | |
| 1027 | + /** | |
| 1028 | + * Get option skip question will be minus points | |
| 1029 | + * | |
| 1030 | + * @return bool | |
| 1031 | + */ | |
| 1032 | + public function get_minus_skip_questions(): bool { | |
| 1033 | + return 'yes' === $this->get_data( 'minus_skip_questions', 'no' ); | |
| 1034 | + } | |
| 1035 | + | |
| 1036 | + /** | |
| 1037 | + * Get css classes of question displays in a list. | |
| 1038 | + * | |
| 1039 | + * @param int $question_id | |
| 1040 | + * @param null $position | |
| 1041 | + * | |
| 1042 | + * @return array | |
| 1043 | + * @deprecated 4.1.6.9 | |
| 1044 | + */ | |
| 1045 | + /*public function get_question_number_class( $question_id, $position = null ) { | |
| 1046 | + if ( null === $position ) { | |
| 1047 | + $position = $this->get_question_index( $question_id ); | |
| 1048 | + } | |
| 1049 | + | |
| 1050 | + $class = array( 'question-' . $position ); | |
| 1051 | + | |
| 1052 | + if ( $this->is_viewing_question( $question_id ) ) { | |
| 1053 | + $class[] = 'current'; | |
| 1054 | + } | |
| 1055 | + | |
| 1056 | + $user = learn_press_get_current_user(); | |
| 1057 | + $quiz_data = $user->get_quiz_data( $this->get_id() ); | |
| 1058 | + | |
| 1059 | + if ( $quiz_data ) { | |
| 1060 | + if ( $quiz_data->is_skipped( $question_id ) ) { | |
| 1061 | + $class[] = 'skipped'; | |
| 1062 | + } | |
| 1063 | + } | |
| 1064 | + | |
| 1065 | + return $class; | |
| 1066 | + }*/ | |
| 1067 | + | |
| 1068 | + /** | |
| 1069 | + * @param mixed $offset | |
| 1070 | + * | |
| 1071 | + * @return bool|mixed | |
| 1072 | + * @deprecated 4.2.0 | |
| 1073 | + */ | |
| 1074 | + public function offsetGet( $offset ) { | |
| 1075 | + _deprecated_function( __CLASS__ . '::' . __METHOD__, '4.2.0' ); | |
| 1076 | + return $this->offsetExists( $offset ) ? $this->_questions[ $offset ] : false; | |
| 1077 | + } | |
| 1078 | + | |
| 1079 | + /** | |
| 1080 | + * @param mixed $offset | |
| 1081 | + * | |
| 1082 | + * @return bool | |
| 1083 | + * @deprecated 4.2.0 | |
| 1084 | + */ | |
| 1085 | + public function offsetExists( $offset ) { | |
| 1086 | + _deprecated_function( __CLASS__ . '::' . __METHOD__, '4.2.0' ); | |
| 1087 | + /*return array_key_exists( $offset, $this->_questions );*/ | |
| 1088 | + } | |
| 1089 | + } | |
| 1090 | +} | |
