| @@ -1,1120 +1,1120 @@ | ||
| 1 | -<?php | |
| 2 | -/** | |
| 3 | - * Base class for types of question | |
| 4 | - * | |
| 5 | - * @author ThimPress | |
| 6 | - * @package LearnPress/Classes | |
| 7 | - * @version 3.0.0 | |
| 8 | - */ | |
| 9 | - | |
| 10 | -/** | |
| 11 | - * Prevent loading this file directly | |
| 12 | - */ | |
| 13 | -defined( 'ABSPATH' ) || exit(); | |
| 14 | - | |
| 15 | -if ( ! class_exists( 'LP_Question' ) ) { | |
| 16 | - | |
| 17 | - /** | |
| 18 | - * Class LP_Question | |
| 19 | - * | |
| 20 | - * @extend LP_Course_Item | |
| 21 | - */ | |
| 22 | - class LP_Question extends LP_Course_Item { | |
| 23 | - | |
| 24 | - /** | |
| 25 | - * @var null | |
| 26 | - */ | |
| 27 | - protected $_options = null; | |
| 28 | - | |
| 29 | - /** | |
| 30 | - * @var string | |
| 31 | - */ | |
| 32 | - protected $_content = ''; | |
| 33 | - | |
| 34 | - /** | |
| 35 | - * Type of this question. | |
| 36 | - * | |
| 37 | - * @var string | |
| 38 | - */ | |
| 39 | - protected $_question_type = 'true_or_false'; | |
| 40 | - | |
| 41 | - /** | |
| 42 | - * @var string | |
| 43 | - */ | |
| 44 | - protected $_item_type = LP_QUESTION_CPT; | |
| 45 | - | |
| 46 | - /** | |
| 47 | - * @var array | |
| 48 | - */ | |
| 49 | - protected static $_types = array(); | |
| 50 | - | |
| 51 | - /** | |
| 52 | - * support answer options | |
| 53 | - * | |
| 54 | - * @var bool | |
| 55 | - */ | |
| 56 | - protected $_answer_options = true; | |
| 57 | - | |
| 58 | - /** | |
| 59 | - * @var int | |
| 60 | - */ | |
| 61 | - // protected static $_loaded = 0; | |
| 62 | - | |
| 63 | - /** | |
| 64 | - * @var string | |
| 65 | - */ | |
| 66 | - public $object_type = 'question'; | |
| 67 | - | |
| 68 | - /** | |
| 69 | - * @var array | |
| 70 | - */ | |
| 71 | - protected $_data = array( | |
| 72 | - 'mark' => 0, | |
| 73 | - 'answer_options' => array(), | |
| 74 | - 'show_correct_answers' => '', | |
| 75 | - 'disable_answers' => '', | |
| 76 | - 'answered' => '', | |
| 77 | - 'explanation' => '', | |
| 78 | - 'hint' => '', | |
| 79 | - ); | |
| 80 | - | |
| 81 | - /** | |
| 82 | - * Construct | |
| 83 | - * | |
| 84 | - * @param mixed | |
| 85 | - * @param array | |
| 86 | - * | |
| 87 | - * @throws Exception | |
| 88 | - */ | |
| 89 | - public function __construct( $the_question = null, $args = null ) { | |
| 90 | - | |
| 91 | - parent::__construct( $the_question, $args ); | |
| 92 | - | |
| 93 | - $this->_curd = new LP_Question_CURD(); | |
| 94 | - if ( is_numeric( $the_question ) && $the_question > 0 ) { | |
| 95 | - $this->set_id( $the_question ); | |
| 96 | - } elseif ( $the_question instanceof self ) { | |
| 97 | - $this->set_id( absint( $the_question->get_id() ) ); | |
| 98 | - } elseif ( ! empty( $the_question->ID ) ) { | |
| 99 | - $this->set_id( absint( $the_question->ID ) ); | |
| 100 | - } | |
| 101 | - | |
| 102 | - if ( $this->_answer_options ) { | |
| 103 | - $this->add_support( 'answer_options' ); | |
| 104 | - $this->add_support( 'auto_calculate_point' ); | |
| 105 | - | |
| 106 | - if ( $this->get_type() !== 'true_or_false' ) { | |
| 107 | - $this->add_support( 'add_answer_option' ); | |
| 108 | - } | |
| 109 | - } | |
| 110 | - | |
| 111 | - $this->set_data( 'answered', false ); | |
| 112 | - | |
| 113 | - if ( $this->get_id() > 0 ) { | |
| 114 | - $this->load(); | |
| 115 | - } | |
| 116 | - | |
| 117 | - $this->_options = $args; | |
| 118 | - //$this->_init(); | |
| 119 | - // self::$_loaded ++; | |
| 120 | - } | |
| 121 | - | |
| 122 | - public function add_support( $feature, $type = 'yes' ) { | |
| 123 | - $feature = $this->_sanitize_feature_key( $feature ); | |
| 124 | - LP_Global::add_object_feature( $this->object_type . '.' . $this->get_type(), $feature, $type ); | |
| 125 | - } | |
| 126 | - | |
| 127 | - /*public function is_support( $feature, $type = '' ) { | |
| 128 | - $feature = $this->_sanitize_feature_key( $feature ); | |
| 129 | - | |
| 130 | - return LP_Global::object_is_support_feature( $this->object_type . '.' . $this->get_type(), $feature, $type ); | |
| 131 | - }*/ | |
| 132 | - | |
| 133 | - /** | |
| 134 | - * @deprecated 4.1.7.3 | |
| 135 | - */ | |
| 136 | - public function get_supports() { | |
| 137 | - _deprecated_function( __FUNCTION__, '4.1.7.3' ); | |
| 138 | - if ( empty( LP_Global::$object_support_features ) ) { | |
| 139 | - return false; | |
| 140 | - } | |
| 141 | - | |
| 142 | - return LP_Global::get_object_supports( $this->object_type . '.' . $this->get_type() ); | |
| 143 | - } | |
| 144 | - | |
| 145 | - /** | |
| 146 | - * Load data for question | |
| 147 | - * | |
| 148 | - * @throws Exception | |
| 149 | - */ | |
| 150 | - public function load() { | |
| 151 | - $this->_curd->load( $this ); | |
| 152 | - } | |
| 153 | - | |
| 154 | - /** | |
| 155 | - * Get default question meta. | |
| 156 | - * | |
| 157 | - * @return mixed | |
| 158 | - */ | |
| 159 | - public static function get_default_meta() { | |
| 160 | - $meta = array( | |
| 161 | - 'mark' => 1, | |
| 162 | - 'explanation' => null, | |
| 163 | - 'hint' => null, | |
| 164 | - ); | |
| 165 | - | |
| 166 | - return apply_filters( 'learn-press/question/default-meta', $meta ); | |
| 167 | - } | |
| 168 | - | |
| 169 | - /** | |
| 170 | - * Save question data. | |
| 171 | - * | |
| 172 | - * @since 3.0.0 | |
| 173 | - * | |
| 174 | - * @return int|object|WP_Error | |
| 175 | - */ | |
| 176 | - public function save() { | |
| 177 | - | |
| 178 | - if ( $this->get_id() ) { | |
| 179 | - $return = $this->_curd->update( $this ); | |
| 180 | - } else { | |
| 181 | - $return = $this->_curd->create( $this ); | |
| 182 | - } | |
| 183 | - | |
| 184 | - return $return; | |
| 185 | - } | |
| 186 | - | |
| 187 | - /** | |
| 188 | - * @return array|mixed | |
| 189 | - */ | |
| 190 | - public function get_mark() { | |
| 191 | - return $this->get_data( 'mark', 1 ); | |
| 192 | - } | |
| 193 | - | |
| 194 | - /** | |
| 195 | - * @param $mark | |
| 196 | - */ | |
| 197 | - public function set_mark( $mark ) { | |
| 198 | - $this->_set_data( 'mark', abs( $mark ) ); | |
| 199 | - } | |
| 200 | - | |
| 201 | - /** | |
| 202 | - * Do something before get data. | |
| 203 | - * Some data now is not auto loading when object is created | |
| 204 | - * therefore, we will load it here. | |
| 205 | - * | |
| 206 | - * @param string $name | |
| 207 | - * @param string $default | |
| 208 | - * | |
| 209 | - * @return array|mixed | |
| 210 | - */ | |
| 211 | - public function get_data( $name = '', $default = '' ) { | |
| 212 | - switch ( $name ) { | |
| 213 | - case 'answer_options': | |
| 214 | - $answer_options = parent::get_data( $name, $default ); | |
| 215 | - | |
| 216 | - if ( ! $answer_options ) { | |
| 217 | - $answer_options = $this->_curd->load_answer_options( $this->get_id() ); | |
| 218 | - $this->set_data( $name, $answer_options ); | |
| 219 | - } | |
| 220 | - | |
| 221 | - break; | |
| 222 | - } | |
| 223 | - | |
| 224 | - return parent::get_data( $name, $default ); | |
| 225 | - } | |
| 226 | - | |
| 227 | - /** | |
| 228 | - * @param string $yes_or_no | |
| 229 | - * | |
| 230 | - * @return array|mixed | |
| 231 | - */ | |
| 232 | - public function show_correct_answers( $yes_or_no = '' ) { | |
| 233 | - if ( in_array( $yes_or_no, array( 'yes', 'no' ) ) ) { | |
| 234 | - $this->_set_data( 'show_correct_answers', $yes_or_no ); | |
| 235 | - } | |
| 236 | - | |
| 237 | - return $this->get_data( 'show_correct_answers' ); | |
| 238 | - } | |
| 239 | - | |
| 240 | - /** | |
| 241 | - * @param string $yes_or_no | |
| 242 | - * | |
| 243 | - * @return array|mixed | |
| 244 | - */ | |
| 245 | - public function disable_answers( $yes_or_no = '' ) { | |
| 246 | - if ( in_array( $yes_or_no, array( 'yes', 'no' ) ) ) { | |
| 247 | - $this->_set_data( 'disable_answers', $yes_or_no ); | |
| 248 | - } | |
| 249 | - | |
| 250 | - return $this->get_data( 'disable_answers' ); | |
| 251 | - } | |
| 252 | - | |
| 253 | - /** | |
| 254 | - * Set answer for this question. | |
| 255 | - * | |
| 256 | - * @param mixed $answered | |
| 257 | - */ | |
| 258 | - public function set_answered( $answered ) { | |
| 259 | - $this->set_data( 'answered', $answered ); | |
| 260 | - } | |
| 261 | - | |
| 262 | - /** | |
| 263 | - * Get answer for this question if set. | |
| 264 | - * | |
| 265 | - * @return array|mixed | |
| 266 | - */ | |
| 267 | - public function get_answered() { | |
| 268 | - return $this->get_data( 'answered' ); | |
| 269 | - } | |
| 270 | - | |
| 271 | - /** | |
| 272 | - * Get answer options of the question | |
| 273 | - * | |
| 274 | - * @param array $args - Optional. | |
| 275 | - * | |
| 276 | - * @return mixed | |
| 277 | - */ | |
| 278 | - public function get_answer_options( $args = array() ) { | |
| 279 | - | |
| 280 | - $args = wp_parse_args( | |
| 281 | - $args, | |
| 282 | - array( | |
| 283 | - 'exclude' => '', | |
| 284 | - 'map' => '', | |
| 285 | - 'answer' => '', | |
| 286 | - ) | |
| 287 | - ); | |
| 288 | - | |
| 289 | - if ( $args['exclude'] && is_string( $args['exclude'] ) ) { | |
| 290 | - $exclude = array_map( 'trim', explode( ',', $args['exclude'] ) ); | |
| 291 | - } else { | |
| 292 | - $exclude = $args['exclude']; | |
| 293 | - } | |
| 294 | - | |
| 295 | - $map = $args['map']; | |
| 296 | - | |
| 297 | - $options = $this->get_data( 'answer_options' ); | |
| 298 | - | |
| 299 | - // Remove key if it in $exclude. | |
| 300 | - if ( $options && ( $exclude || $map ) ) { | |
| 301 | - $exclude = array_flip( $exclude ); | |
| 302 | - | |
| 303 | - foreach ( $options as $k => $option ) { | |
| 304 | - $option['title'] = do_shortcode( $option['title'] ); | |
| 305 | - | |
| 306 | - foreach ( $map as $k_map => $v_map ) { | |
| 307 | - if ( array_key_exists( $k_map, $option ) ) { | |
| 308 | - $option[ $v_map ] = $option[ $k_map ]; | |
| 309 | - $exclude[ $k_map ] = 1; | |
| 310 | - } | |
| 311 | - } | |
| 312 | - $options[ $k ] = array_diff_key( $option, $exclude ); | |
| 313 | - } | |
| 314 | - } | |
| 315 | - | |
| 316 | - return apply_filters( 'learn-press/question/answer-options', $options, $this->get_id() ); | |
| 317 | - } | |
| 318 | - | |
| 319 | - /** | |
| 320 | - * @param string $explanation | |
| 321 | - */ | |
| 322 | - public function set_explanation( $explanation = '' ) { | |
| 323 | - $this->_set_data( 'explanation', $explanation ); | |
| 324 | - } | |
| 325 | - | |
| 326 | - /** | |
| 327 | - * @return mixed | |
| 328 | - */ | |
| 329 | - public function get_explanation() { | |
| 330 | - return apply_filters( 'learn-press/question/explanation', do_shortcode( $this->get_data( 'explanation' ) ), $this->get_id() ); | |
| 331 | - } | |
| 332 | - | |
| 333 | - /** | |
| 334 | - * @param string $hint | |
| 335 | - */ | |
| 336 | - public function set_hint( $hint = '' ) { | |
| 337 | - $this->_set_data( 'hint', $hint ); | |
| 338 | - } | |
| 339 | - | |
| 340 | - /** | |
| 341 | - * @return mixed | |
| 342 | - */ | |
| 343 | - public function get_hint() { | |
| 344 | - return apply_filters( 'learn-press/question/hint', do_shortcode( $this->get_data( 'hint' ) ), $this->get_id() ); | |
| 345 | - } | |
| 346 | - | |
| 347 | - /** | |
| 348 | - * Get all type of questions | |
| 349 | - * | |
| 350 | - * @return mixed | |
| 351 | - */ | |
| 352 | - public static function get_types() { | |
| 353 | - $types = apply_filters( | |
| 354 | - 'learn-press/question-types', | |
| 355 | - array( | |
| 356 | - 'true_or_false' => esc_html__( 'True Or False', 'learnpress' ), | |
| 357 | - 'multi_choice' => esc_html__( 'Multi Choice', 'learnpress' ), | |
| 358 | - 'single_choice' => esc_html__( 'Single Choice', 'learnpress' ), | |
| 359 | - 'fill_in_blanks' => esc_html__( 'Fill In Blanks', 'learnpress' ), | |
| 360 | - ) | |
| 361 | - ); | |
| 362 | - | |
| 363 | - return apply_filters( 'learn_press_question_types', $types ); | |
| 364 | - } | |
| 365 | - | |
| 366 | - /** | |
| 367 | - * Store question and it's related data into database. | |
| 368 | - * | |
| 369 | - * @return mixed | |
| 370 | - */ | |
| 371 | - public function store() { | |
| 372 | - global $wpdb; | |
| 373 | - $id = absint( $this->get_id() ); | |
| 374 | - $is_update = $id > 0; | |
| 375 | - $post_data = array( | |
| 376 | - 'post_title' => $this->get_data( 'title' ), | |
| 377 | - 'post_type' => LP_QUESTION_CPT, | |
| 378 | - 'ID' => $id, | |
| 379 | - ); | |
| 380 | - if ( $is_update ) { | |
| 381 | - $updated = wp_update_post( $post_data, true ); | |
| 382 | - } else { | |
| 383 | - $updated = wp_insert_post( $post_data, true ); | |
| 384 | - } | |
| 385 | - | |
| 386 | - if ( ! is_numeric( $updated ) ) { | |
| 387 | - return false; | |
| 388 | - } | |
| 389 | - | |
| 390 | - // Does this question support answer options? | |
| 391 | - /*if ( ! $this->is_support( 'answer_options' ) ) { | |
| 392 | - return $updated; | |
| 393 | - }*/ | |
| 394 | - | |
| 395 | - $this->empty_answers(); | |
| 396 | - $answer_options = $this->get_data( 'answer_options' ); | |
| 397 | - if ( $answer_options ) { | |
| 398 | - $question_order = 1; | |
| 399 | - $query = "INSERT INTO {$wpdb->prefix}learnpress_question_answers(`question_id`, `order`) VALUES"; | |
| 400 | - foreach ( $answer_options as $answer_option ) { | |
| 401 | - if ( empty( $answer_option['title'] ) ) { | |
| 402 | - if ( apply_filters( 'learn-press/question/ignore-insert-empty-answer-option', true, $answer_option, $id ) ) { | |
| 403 | - continue; | |
| 404 | - } | |
| 405 | - } | |
| 406 | - $qry = $query . $wpdb->prepare( '(%d, %d)', $id, $question_order ++ ); | |
| 407 | - do_action( 'learn-press/question/insert-answer-option', $id, $answer_option ); | |
| 408 | - if ( $wpdb->query( $qry ) ) { | |
| 409 | - $inserted_id = $wpdb->insert_id; | |
| 410 | - learn_press_update_question_answer_meta( $inserted_id, 'text', $answer_option['text'] ); | |
| 411 | - learn_press_update_question_answer_meta( $inserted_id, 'value', $answer_option['value'] ); | |
| 412 | - if ( ! empty( $answer_option['is_true'] ) && ! learn_press_is_negative_value( $answer_option['is_true'] ) ) { | |
| 413 | - learn_press_update_question_answer_meta( $inserted_id, 'checked', 'yes' ); | |
| 414 | - } | |
| 415 | - do_action( 'learn-press/question/inserted-answer-option', $inserted_id, $id, $answer_option ); | |
| 416 | - } | |
| 417 | - } | |
| 418 | - } | |
| 419 | - | |
| 420 | - return $updated; | |
| 421 | - } | |
| 422 | - | |
| 423 | - /** | |
| 424 | - * Remove all answers to prepare for inserting new | |
| 425 | - */ | |
| 426 | - public function empty_answers() { | |
| 427 | - global $wpdb; | |
| 428 | - $id = absint( $this->get_id() ); | |
| 429 | - $table_meta = $wpdb->learnpress_question_answermeta; | |
| 430 | - $table_main = $wpdb->learnpress_question_answers; | |
| 431 | - $query = $wpdb->prepare( | |
| 432 | - " | |
| 433 | - DELETE FROM t1, t2 | |
| 434 | - USING {$table_main} AS t1 INNER JOIN {$table_meta} AS t2 ON t1.question_answer_id = t2.learnpress_question_answer_id | |
| 435 | - WHERE t1.question_id = %d | |
| 436 | - ", | |
| 437 | - $id | |
| 438 | - ); | |
| 439 | - | |
| 440 | - // deprecated | |
| 441 | - do_action( 'learn_press_before_delete_question_answers', $id ); | |
| 442 | - | |
| 443 | - do_action( 'learn-press/question/delete-answers', $id ); | |
| 444 | - if ( $wpdb->query( $query ) ) { | |
| 445 | - do_action( 'learn-press/question/deleted-answers', $id ); | |
| 446 | - } | |
| 447 | - // deprecated | |
| 448 | - do_action( 'learn_press_delete_question_answers', $id ); | |
| 449 | - } | |
| 450 | - | |
| 451 | - /** | |
| 452 | - * @param $meta | |
| 453 | - * @param $field | |
| 454 | - * @param $is_saved | |
| 455 | - * | |
| 456 | - * @return string | |
| 457 | - * @deprecated 4.1.7.3 | |
| 458 | - */ | |
| 459 | - public function _filter_meta_box_meta( $meta, $field, $is_saved ) { | |
| 460 | - _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 461 | - /*if ( preg_match( '~\[question-content\]~', $field['id'] ) && $field['context'] == 'quiz-list-questions' ) { | |
| 462 | - $post = get_post( $this->get_id() ); | |
| 463 | - $meta = $post->post_content; | |
| 464 | - } | |
| 465 | - | |
| 466 | - return $meta;*/ | |
| 467 | - } | |
| 468 | - | |
| 469 | - /** | |
| 470 | - * Set new type of question. | |
| 471 | - * Update _lp_type meta to new type. | |
| 472 | - * | |
| 473 | - * @param string $type | |
| 474 | - * | |
| 475 | - * @return bool | |
| 476 | - */ | |
| 477 | - public function set_type( $type = '' ) { | |
| 478 | - | |
| 479 | - if ( ! $type ) { | |
| 480 | - return false; | |
| 481 | - } | |
| 482 | - | |
| 483 | - if ( ! learn_press_is_support_question_type( $type ) ) { | |
| 484 | - return false; | |
| 485 | - } | |
| 486 | - | |
| 487 | - // Change to new type and update meta value | |
| 488 | - $this->_question_type = $type; | |
| 489 | - update_post_meta( $this->get_id(), '_lp_type', $type ); | |
| 490 | - | |
| 491 | - return true; | |
| 492 | - } | |
| 493 | - | |
| 494 | - /** | |
| 495 | - * Update ordering of question answers | |
| 496 | - * | |
| 497 | - * @param array $orders List of answers | |
| 498 | - * @deprecated 4.1.7.3 | |
| 499 | - */ | |
| 500 | - public function update_answer_orders( $orders ) { | |
| 501 | - _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 502 | - /*global $wpdb; | |
| 503 | - $query = $wpdb->prepare( | |
| 504 | - " | |
| 505 | - SELECT qa.question_answer_id, qam2.meta_value as `name`, qam.meta_value as `value` | |
| 506 | - FROM {$wpdb->learnpress_question_answers} qa | |
| 507 | - INNER JOIN {$wpdb->learnpress_question_answermeta} qam ON qa.question_answer_id = qam.learnpress_question_answer_id AND qam.meta_key = %s | |
| 508 | - INNER JOIN {$wpdb->learnpress_question_answermeta} qam2 ON qa.question_answer_id = qam2.learnpress_question_answer_id AND qam2.meta_key = %s | |
| 509 | - WHERE qa.question_id = %d | |
| 510 | - ORDER BY `order` | |
| 511 | - ", | |
| 512 | - 'value', | |
| 513 | - 'text', | |
| 514 | - $this->get_id() | |
| 515 | - ); | |
| 516 | - if ( $answers = $wpdb->get_results( $query ) ) { | |
| 517 | - $query = " | |
| 518 | - UPDATE {$wpdb->learnpress_question_answers} | |
| 519 | - SET `order` = CASE | |
| 520 | - "; | |
| 521 | - for ( $order = 0, $n = sizeof( $orders ); $order < $n; $order ++ ) { | |
| 522 | - $found_answer = false; | |
| 523 | - foreach ( $answers as $answer ) { | |
| 524 | - if ( $answer->value == $orders[ $order ]['value'] && $answer->name == $orders[ $order ]['text'] ) { | |
| 525 | - $found_answer = $answer; | |
| 526 | - break; | |
| 527 | - } | |
| 528 | - } | |
| 529 | - if ( $found_answer === false ) { | |
| 530 | - continue; | |
| 531 | - } | |
| 532 | - $query .= $wpdb->prepare( 'WHEN question_answer_id = %d THEN %d', $found_answer->question_answer_id, $order + 1 ) . "\n"; | |
| 533 | - } | |
| 534 | - $query .= sprintf( 'ELSE `order` END WHERE question_id = %d', $this->get_id() ); | |
| 535 | - $wpdb->query( $query ); | |
| 536 | - }*/ | |
| 537 | - } | |
| 538 | - | |
| 539 | - /** | |
| 540 | - * Return type of question. | |
| 541 | - * | |
| 542 | - * @return string | |
| 543 | - */ | |
| 544 | - public function get_type() { | |
| 545 | - return $this->_question_type; | |
| 546 | - } | |
| 547 | - | |
| 548 | - /** | |
| 549 | - * Return type of question in 'readable text'. | |
| 550 | - * | |
| 551 | - * @return string | |
| 552 | - */ | |
| 553 | - public function get_type_label() { | |
| 554 | - return learn_press_question_types()[ $this->get_type() ]; | |
| 555 | - } | |
| 556 | - | |
| 557 | - protected function _init() { | |
| 558 | - //add_filter( 'learn_press_question_answers', array( $this, '_get_default_answers' ), 10, 2 ); | |
| 559 | - } | |
| 560 | - | |
| 561 | - | |
| 562 | - /** | |
| 563 | - * | |
| 564 | - * @param mixed $answers | |
| 565 | - * @param LP_Question $q | |
| 566 | - * | |
| 567 | - * @return array|bool | |
| 568 | - * @deprecated 4.1.7.3 | |
| 569 | - */ | |
| 570 | - /*public function _get_default_answers( $answers = false, $q = null ) { | |
| 571 | - if ( ! $answers && ( $q && $q->get_id() == $this->get_id() ) ) { | |
| 572 | - $answers = $this->get_default_answers(); | |
| 573 | - } | |
| 574 | - | |
| 575 | - return $answers; | |
| 576 | - }*/ | |
| 577 | - | |
| 578 | - /** | |
| 579 | - * Get default question answer. | |
| 580 | - * | |
| 581 | - * @return array | |
| 582 | - */ | |
| 583 | - public static function get_default_answer() { | |
| 584 | - $answer = array( | |
| 585 | - 'question_answer_id' => - 1, | |
| 586 | - 'title' => '', | |
| 587 | - 'is_true' => '', | |
| 588 | - 'value' => learn_press_random_value(), | |
| 589 | - ); | |
| 590 | - | |
| 591 | - return $answer; | |
| 592 | - } | |
| 593 | - | |
| 594 | - /** | |
| 595 | - * Get default question list answers. | |
| 596 | - * | |
| 597 | - * @return array|bool | |
| 598 | - */ | |
| 599 | - public function get_default_answers() { | |
| 600 | - $answers = array( | |
| 601 | - array( | |
| 602 | - 'question_answer_id' => - 1, | |
| 603 | - 'is_true' => 'yes', | |
| 604 | - 'value' => learn_press_random_value(), | |
| 605 | - 'title' => esc_html__( 'First option', 'learnpress' ), | |
| 606 | - ), | |
| 607 | - array( | |
| 608 | - 'question_answer_id' => - 2, | |
| 609 | - 'is_true' => 'no', | |
| 610 | - 'value' => learn_press_random_value(), | |
| 611 | - 'title' => esc_html__( 'Second option', 'learnpress' ), | |
| 612 | - ), | |
| 613 | - array( | |
| 614 | - 'question_answer_id' => - 3, | |
| 615 | - 'is_true' => 'no', | |
| 616 | - 'value' => learn_press_random_value(), | |
| 617 | - 'title' => esc_html__( 'Third option', 'learnpress' ), | |
| 618 | - ), | |
| 619 | - ); | |
| 620 | - | |
| 621 | - return $answers; | |
| 622 | - } | |
| 623 | - | |
| 624 | - | |
| 625 | - /** | |
| 626 | - * Get question answers option. | |
| 627 | - * | |
| 628 | - * @since 3.0.0 | |
| 629 | - * @version 4.0.1 | |
| 630 | - * @modify 4.1.7.3 by tungnx | |
| 631 | - * @return LP_Question_Answer_Option[] | |
| 632 | - */ | |
| 633 | - public function get_answers(): array { | |
| 634 | - $lp_question_cache = LP_Question_Cache::instance(); | |
| 635 | - $key_cache = "{$this->get_id()}/option_answers"; | |
| 636 | - //$answers = LP_Object_Cache::get( 'answer-options-' . $this->get_id(), 'learn-press/questions' ); | |
| 637 | - $answers_option = $lp_question_cache->get_cache( $key_cache ); | |
| 638 | - | |
| 639 | - if ( false === $answers_option ) { | |
| 640 | - $answers_option = $this->_curd->load_answer_options( $this->get_id() ); | |
| 641 | - | |
| 642 | - if ( ! $answers_option ) { | |
| 643 | - $answers_option = $this->get_default_answers(); | |
| 644 | - } | |
| 645 | - | |
| 646 | - $lp_question_cache->set_cache( $key_cache, $answers_option ); | |
| 647 | - } | |
| 648 | - | |
| 649 | - require_once 'class-lp-question-answers.php'; | |
| 650 | - | |
| 651 | - $answers_option_tmp = []; | |
| 652 | - foreach ( $answers_option as $k => $answer ) { | |
| 653 | - $answer_option = new LP_Question_Answer_Option( $this, $answer ); | |
| 654 | - $answers_option_tmp[] = $answer_option; | |
| 655 | - } | |
| 656 | - | |
| 657 | - return $answers_option_tmp; | |
| 658 | - } | |
| 659 | - | |
| 660 | - /** | |
| 661 | - * Create default answers. | |
| 662 | - * | |
| 663 | - * @since 3.3.0 | |
| 664 | - */ | |
| 665 | - public function create_default_answers() { | |
| 666 | - global $wpdb; | |
| 667 | - | |
| 668 | - $answers = $this->get_default_answers(); | |
| 669 | - | |
| 670 | - foreach ( $answers as $index => $answer ) { | |
| 671 | - $answer = array( | |
| 672 | - 'question_id' => $this->get_id(), | |
| 673 | - 'title' => $answer['title'], | |
| 674 | - 'value' => $answer['value'] ?? '', | |
| 675 | - 'is_true' => ( $answer['is_true'] == 'yes' ) ? $answer['is_true'] : '', | |
| 676 | - 'order' => $index + 1, | |
| 677 | - ); | |
| 678 | - | |
| 679 | - $wpdb->insert( | |
| 680 | - $wpdb->learnpress_question_answers, | |
| 681 | - $answer, | |
| 682 | - array( '%d', '%s', '%s', '%s', '%d' ) | |
| 683 | - ); | |
| 684 | - | |
| 685 | - $question_answer_id = $wpdb->insert_id; | |
| 686 | - | |
| 687 | - if ( $question_answer_id ) { | |
| 688 | - $answer['question_answer_id'] = $question_answer_id; | |
| 689 | - } | |
| 690 | - | |
| 691 | - $answers[ $index ] = $answer; | |
| 692 | - } | |
| 693 | - | |
| 694 | - $this->set_data( 'answer_options', $answers ); | |
| 695 | - } | |
| 696 | - | |
| 697 | - public function setup_data( $quiz_id, $course_id = 0, $user_id = 0 ) { | |
| 698 | - | |
| 699 | - $quiz = learn_press_get_quiz( $quiz_id ); | |
| 700 | - $course = learn_press_get_course( $course_id ); | |
| 701 | - | |
| 702 | - if ( $user_id ) { | |
| 703 | - $user = learn_press_get_user( $user_id ); | |
| 704 | - } else { | |
| 705 | - $user = learn_press_get_current_user(); | |
| 706 | - } | |
| 707 | - | |
| 708 | - $show_correct = false; | |
| 709 | - | |
| 710 | - if ( $user && $quiz && $course ) { | |
| 711 | - $user_quiz = $user->get_quiz_data( $quiz->get_id(), $course->get_id() ); | |
| 712 | - if ( $user_quiz ) { | |
| 713 | - $has_checked = $user->has_checked_answer( $this->get_id(), $quiz->get_id(), $course->get_id() ); | |
| 714 | - $show_correct = $user_quiz->is_completed() && ( $has_checked || $quiz->get_show_result() ) ? 'yes' : false; | |
| 715 | - $answered = $user_quiz->get_question_answer( $this->get_id() ); | |
| 716 | - $this->set_answered( $answered ); | |
| 717 | - } | |
| 718 | - } | |
| 719 | - | |
| 720 | - $this->show_correct_answers( $show_correct ); | |
| 721 | - } | |
| 722 | - | |
| 723 | - /** | |
| 724 | - * Get question name. | |
| 725 | - * | |
| 726 | - * @return string | |
| 727 | - * @deprecated 4.1.7.3 | |
| 728 | - */ | |
| 729 | - public function get_name() { | |
| 730 | - _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 731 | - /*return $this->_options['name'] ?? ucfirst( | |
| 732 | - preg_replace_callback( | |
| 733 | - '!_([a-z])!', | |
| 734 | - array( | |
| 735 | - $this, | |
| 736 | - 'sanitize_name_callback', | |
| 737 | - ), | |
| 738 | - $this->get_type() | |
| 739 | - ) | |
| 740 | - );*/ | |
| 741 | - } | |
| 742 | - | |
| 743 | - /** | |
| 744 | - * @param $matches | |
| 745 | - * | |
| 746 | - * @return string | |
| 747 | - */ | |
| 748 | - public function sanitize_name_callback( $matches ) { | |
| 749 | - return strtoupper( $matches[1] ); | |
| 750 | - } | |
| 751 | - | |
| 752 | - /** | |
| 753 | - * Sets the value for a variable of this class | |
| 754 | - * | |
| 755 | - * @param $key string The name of a variable of this class | |
| 756 | - * @param $value mixed The value to set | |
| 757 | - * | |
| 758 | - * @return void | |
| 759 | - */ | |
| 760 | - public function set( $key, $value ) { | |
| 761 | - $this->$key = $value; | |
| 762 | - } | |
| 763 | - | |
| 764 | - /** | |
| 765 | - * Gets the value of a variable of this class with multiple level of an object or array | |
| 766 | - * example: $obj->get('a.b') -> like this : | |
| 767 | - * - $obj->a->b | |
| 768 | - * - or $obj->a['b'] | |
| 769 | - * | |
| 770 | - * @param null $key string Single or multiple level such as a.b.c | |
| 771 | - * @param null $default mixed Return a default value if the key does not exists or is empty | |
| 772 | - * @param null $func string The function to apply the result before return | |
| 773 | - * | |
| 774 | - * @return mixed|null | |
| 775 | - */ | |
| 776 | - public function get( $key = null, $default = null, $func = null ) { | |
| 777 | - $val = $this->_get( $this, $key, $default ); | |
| 778 | - | |
| 779 | - return is_callable( $func ) ? call_user_func_array( $func, array( $val ) ) : $val; | |
| 780 | - } | |
| 781 | - | |
| 782 | - | |
| 783 | - /** | |
| 784 | - * Magic function to get question data. | |
| 785 | - * | |
| 786 | - * @param $prop | |
| 787 | - * @param $key | |
| 788 | - * @param null $default | |
| 789 | - * @param null $type | |
| 790 | - * | |
| 791 | - * @return mixed|null | |
| 792 | - */ | |
| 793 | - protected function _get( $prop, $key, $default = null, $type = null ) { | |
| 794 | - $return = $default; | |
| 795 | - | |
| 796 | - if ( $key === false || $key == null ) { | |
| 797 | - return $return; | |
| 798 | - } | |
| 799 | - $deep = explode( '.', $key ); | |
| 800 | - | |
| 801 | - if ( is_array( $prop ) ) { | |
| 802 | - if ( isset( $prop[ $deep[0] ] ) ) { | |
| 803 | - $return = $prop[ $deep[0] ]; | |
| 804 | - if ( count( $deep ) > 1 ) { | |
| 805 | - unset( $deep[0] ); | |
| 806 | - $return = $this->_get( $return, implode( '.', $deep ), $default, $type ); | |
| 807 | - } | |
| 808 | - } | |
| 809 | - } elseif ( is_object( $prop ) ) { | |
| 810 | - if ( isset( $prop->{$deep[0]} ) ) { | |
| 811 | - $return = $prop->{$deep[0]}; | |
| 812 | - if ( count( $deep ) > 1 ) { | |
| 813 | - unset( $deep[0] ); | |
| 814 | - $return = $this->_get( $return, implode( '.', $deep ), $default, $type ); | |
| 815 | - } | |
| 816 | - } | |
| 817 | - } | |
| 818 | - | |
| 819 | - if ( $type == 'object' ) { | |
| 820 | - settype( $return, 'object' ); | |
| 821 | - } elseif ( $type == 'array' ) { | |
| 822 | - settype( $return, 'array' ); | |
| 823 | - } | |
| 824 | - | |
| 825 | - return $return; | |
| 826 | - } | |
| 827 | - | |
| 828 | - /** | |
| 829 | - * Find value in answer's option and compare with value answered by user. | |
| 830 | - * | |
| 831 | - * @param LP_Question_Answer_Option $answer | |
| 832 | - * @param mixed $answered | |
| 833 | - * | |
| 834 | - * @return bool | |
| 835 | - */ | |
| 836 | - public function is_selected_option( $answer, $answered = false ): bool { | |
| 837 | - if ( is_array( $answered ) ) { | |
| 838 | - $is_selected = in_array( $answer['value'], $answered ); | |
| 839 | - } else { | |
| 840 | - $is_selected = $answer['value'] === $answered; | |
| 841 | - } | |
| 842 | - | |
| 843 | - return apply_filters( 'learn-press/question/is-selected-option', $is_selected, $answer, $answered, $this->get_id() ); | |
| 844 | - } | |
| 845 | - | |
| 846 | - /** | |
| 847 | - * Save user question answer. | |
| 848 | - * | |
| 849 | - * @param $answer | |
| 850 | - * @param $quiz_id | |
| 851 | - * @param null $user_id | |
| 852 | - * @deprecated 4.2.7.3 | |
| 853 | - */ | |
| 854 | - /*public function save_user_answer( $answer, $quiz_id, $user_id = null ) { | |
| 855 | - if ( $user_id ) { | |
| 856 | - $user = LP_User_Factory::get_user( $user_id ); | |
| 857 | - } else { | |
| 858 | - $user = learn_press_get_current_user(); | |
| 859 | - } | |
| 860 | - | |
| 861 | - $progress = $user->get_quiz_progress( $quiz_id ); | |
| 862 | - | |
| 863 | - if ( $progress ) { | |
| 864 | - if ( ! isset( $progress->question_answers ) ) { | |
| 865 | - $question_answers = array(); | |
| 866 | - } else { | |
| 867 | - $question_answers = $progress->question_answers; | |
| 868 | - } | |
| 869 | - $question_answers[ $this->get_id() ] = $answer; | |
| 870 | - | |
| 871 | - $question_answers = apply_filters( 'learn_press_update_user_question_answers', $question_answers, $progress->history_id, $user_id, $this, $quiz_id ); | |
| 872 | - | |
| 873 | - // learn_press_update_user_quiz_meta( $progress->history_id, 'question_answers', $question_answers ); | |
| 874 | - } | |
| 875 | - }*/ | |
| 876 | - | |
| 877 | - /** | |
| 878 | - * Allow check question answer, default disable for True or False and Single choice, override by Multiple choice question. | |
| 879 | - * | |
| 880 | - * @return bool | |
| 881 | - */ | |
| 882 | - public function can_check_answer() { | |
| 883 | - return false; | |
| 884 | - } | |
| 885 | - | |
| 886 | - /** | |
| 887 | - * Check user answer, override by question type class. | |
| 888 | - * | |
| 889 | - * @param null $args | question answered | |
| 890 | - * | |
| 891 | - * @return array | |
| 892 | - */ | |
| 893 | - public function check( $args = null ) { | |
| 894 | - $return = array( | |
| 895 | - 'correct' => false, | |
| 896 | - 'mark' => 0, | |
| 897 | - ); | |
| 898 | - | |
| 899 | - return $return; | |
| 900 | - } | |
| 901 | - | |
| 902 | - /** | |
| 903 | - * Get answer at position | |
| 904 | - * | |
| 905 | - * @since 3.0.0 | |
| 906 | - * | |
| 907 | - * @param int $at | |
| 908 | - * | |
| 909 | - * @return LP_Question_Answer_Option|mixed | |
| 910 | - */ | |
| 911 | - public function get_answer_at( $at ) { | |
| 912 | - return $this->get_answers()->get_answer_at( $at ); | |
| 913 | - } | |
| 914 | - | |
| 915 | - /** | |
| 916 | - * Get user answered data. | |
| 917 | - * | |
| 918 | - * @param $args | |
| 919 | - * | |
| 920 | - * @return null | |
| 921 | - */ | |
| 922 | - public function get_user_answered( $args ) { | |
| 923 | - $args = wp_parse_args( | |
| 924 | - $args, | |
| 925 | - array( | |
| 926 | - 'history_id' => 0, | |
| 927 | - 'quiz_id' => 0, | |
| 928 | - 'course_id' => 0, | |
| 929 | - 'force' => false, | |
| 930 | - ) | |
| 931 | - ); | |
| 932 | - $answered = null; | |
| 933 | - if ( $args['history_id'] ) { | |
| 934 | - $user_meta = learn_press_get_user_item_meta( $args['history_id'], 'question_answers', true ); | |
| 935 | - if ( $user_meta && array_key_exists( $this->get_id(), $user_meta ) ) { | |
| 936 | - $answered = $user_meta[ $this->get_id() ]; | |
| 937 | - } | |
| 938 | - } elseif ( $args['quiz_id'] && $args['course_id'] ) { | |
| 939 | - $user = learn_press_get_current_user(); | |
| 940 | - $history = $user->get_quiz_results( $args['quiz_id'], $args['course_id'] ); | |
| 941 | - | |
| 942 | - if ( $history ) { | |
| 943 | - $user_meta = learn_press_get_user_item_meta( $history->history_id, 'question_answers', true ); | |
| 944 | - | |
| 945 | - if ( $user_meta && array_key_exists( $this->get_id(), $user_meta ) ) { | |
| 946 | - $answered = $user_meta[ $this->get_id() ]; | |
| 947 | - } | |
| 948 | - } | |
| 949 | - } | |
| 950 | - | |
| 951 | - return $answered; | |
| 952 | - } | |
| 953 | - | |
| 954 | - /** | |
| 955 | - * Get question. | |
| 956 | - * | |
| 957 | - * @param bool $the_question | |
| 958 | - * @param array $args | |
| 959 | - * | |
| 960 | - * @return LP_Question|bool | |
| 961 | - */ | |
| 962 | - public static function get_question( $the_question = false, $args = array() ) { | |
| 963 | - // question object | |
| 964 | - $the_question = self::get_question_object( $the_question ); | |
| 965 | - if ( ! $the_question ) { | |
| 966 | - return false; | |
| 967 | - } | |
| 968 | - | |
| 969 | - if ( ! empty( $args['force'] ) ) { | |
| 970 | - $force = ! ! $args['force']; | |
| 971 | - unset( $args['force'] ); | |
| 972 | - } else { | |
| 973 | - $force = false; | |
| 974 | - } | |
| 975 | - | |
| 976 | - $key_args = wp_parse_args( | |
| 977 | - $args, | |
| 978 | - array( | |
| 979 | - 'id' => $the_question->ID, | |
| 980 | - 'type' => $the_question->post_type, | |
| 981 | - ) | |
| 982 | - ); | |
| 983 | - | |
| 984 | - $key = LP_Helper::array_to_md5( $key_args ); | |
| 985 | - | |
| 986 | - if ( $force ) { | |
| 987 | - LP_Global::$questions[ $key ] = false; | |
| 988 | - } | |
| 989 | - | |
| 990 | - if ( empty( LP_Global::$questions[ $key ] ) ) { | |
| 991 | - $class_name = self::get_question_class( $the_question, $args ); | |
| 992 | - if ( is_string( $class_name ) && class_exists( $class_name ) ) { | |
| 993 | - $lesson = new $class_name( $the_question->ID, $args ); | |
| 994 | - } elseif ( $class_name instanceof LP_Question ) { | |
| 995 | - $lesson = $class_name; | |
| 996 | - } else { | |
| 997 | - $lesson = new self( $the_question->ID, $args ); | |
| 998 | - } | |
| 999 | - LP_Global::$questions[ $key ] = $lesson; | |
| 1000 | - } | |
| 1001 | - | |
| 1002 | - return LP_Global::$questions[ $key ]; | |
| 1003 | - } | |
| 1004 | - | |
| 1005 | - /** | |
| 1006 | - * Get the question class name. | |
| 1007 | - * | |
| 1008 | - * @param WP_Post $the_question | |
| 1009 | - * @param array $args (default: array()) | |
| 1010 | - * | |
| 1011 | - * @return string | |
| 1012 | - */ | |
| 1013 | - private static function get_question_class( $the_question, $args = array() ) { | |
| 1014 | - $question_id = absint( $the_question->ID ); | |
| 1015 | - if ( ! empty( $args['type'] ) ) { | |
| 1016 | - $question_type = $args['type']; | |
| 1017 | - } else { | |
| 1018 | - $question_type = get_post_meta( $question_id, '_lp_type', true ); | |
| 1019 | - } | |
| 1020 | - | |
| 1021 | - $class_name = self::get_class_name_from_question_type( array( $question_type ) ); | |
| 1022 | - | |
| 1023 | - // Filter class name so that the class can be overridden if extended. | |
| 1024 | - return apply_filters( 'learn-press/question/object-class', $class_name, $question_type, $question_id ); | |
| 1025 | - } | |
| 1026 | - | |
| 1027 | - /** | |
| 1028 | - * Get question class from question type. | |
| 1029 | - * | |
| 1030 | - * @param string $question_type | |
| 1031 | - * | |
| 1032 | - * @return string|false | |
| 1033 | - */ | |
| 1034 | - public static function get_class_name_from_question_type( $question_type ) { | |
| 1035 | - | |
| 1036 | - if ( is_array( $question_type ) ) { | |
| 1037 | - $question_type = reset( $question_type ); | |
| 1038 | - } | |
| 1039 | - | |
| 1040 | - return ! $question_type ? __CLASS__ : 'LP_Question_' . implode( '_', array_map( 'ucfirst', explode( '-', $question_type ) ) ); | |
| 1041 | - } | |
| 1042 | - | |
| 1043 | - /** | |
| 1044 | - * Get the question object. | |
| 1045 | - * | |
| 1046 | - * @since 3.0.0 | |
| 1047 | - * | |
| 1048 | - * @param mixed $the_question | |
| 1049 | - * | |
| 1050 | - * @uses WP_Post | |
| 1051 | - * @return WP_Post|bool false on failure | |
| 1052 | - */ | |
| 1053 | - private static function get_question_object( $the_question ) { | |
| 1054 | - if ( false === $the_question ) { | |
| 1055 | - $the_question = get_post_type() === LP_QUESTION_CPT ? $GLOBALS['post'] : false; | |
| 1056 | - } elseif ( is_numeric( $the_question ) ) { | |
| 1057 | - $the_question = get_post( $the_question ); | |
| 1058 | - } elseif ( $the_question instanceof LP_Course_Item ) { | |
| 1059 | - $the_question = get_post( $the_question->get_id() ); | |
| 1060 | - } elseif ( ! ( $the_question instanceof WP_Post ) ) { | |
| 1061 | - $the_question = false; | |
| 1062 | - } | |
| 1063 | - | |
| 1064 | - return apply_filters( 'learn-press/question/post-object', $the_question ); | |
| 1065 | - } | |
| 1066 | - | |
| 1067 | - protected function _get_checked( $user_answer = null ) { | |
| 1068 | - $key = $user_answer ? md5( serialize( $user_answer ) ) : - 1; | |
| 1069 | - | |
| 1070 | - return LP_Object_Cache::get( 'question-' . $this->get_id() . '/' . $key, 'learn-press/answer-checked' ); | |
| 1071 | - } | |
| 1072 | - | |
| 1073 | - protected function _set_checked( $checked, $user_answer ) { | |
| 1074 | - $key = $user_answer ? md5( serialize( $user_answer ) ) : - 1; | |
| 1075 | - | |
| 1076 | - return LP_Object_Cache::set( 'question-' . $this->get_id() . '/' . $key, $checked, 'learn-press/answer-checked' ); | |
| 1077 | - } | |
| 1078 | - | |
| 1079 | - /** | |
| 1080 | - * Get default json data for editor settings | |
| 1081 | - * | |
| 1082 | - * @since 3.3.0 | |
| 1083 | - * | |
| 1084 | - * @return array | |
| 1085 | - */ | |
| 1086 | - public function get_editor_default_settings() { | |
| 1087 | - return apply_filters( | |
| 1088 | - 'learn-press/question-editor-default-settings', | |
| 1089 | - array( | |
| 1090 | - 'id' => $this->get_id(), | |
| 1091 | - 'type' => $this->get_type(), | |
| 1092 | - 'duration' => $this->get_duration(), | |
| 1093 | - ) | |
| 1094 | - ); | |
| 1095 | - } | |
| 1096 | - | |
| 1097 | - /** | |
| 1098 | - * Get json data for editor settings. | |
| 1099 | - * | |
| 1100 | - * @since 3.3.0 | |
| 1101 | - * | |
| 1102 | - * @return array | |
| 1103 | - */ | |
| 1104 | - public function get_editor_settings() { | |
| 1105 | - $defaults = $this->get_editor_default_settings(); | |
| 1106 | - | |
| 1107 | - return apply_filters( | |
| 1108 | - 'learn-press/question-editor-settings', | |
| 1109 | - array_merge( | |
| 1110 | - $defaults, | |
| 1111 | - array() | |
| 1112 | - ), | |
| 1113 | - $this->get_type(), | |
| 1114 | - $this->get_id(), | |
| 1115 | - $this | |
| 1116 | - ); | |
| 1117 | - } | |
| 1118 | - } | |
| 1119 | - | |
| 1120 | -} | |
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Base class for types of question | |
| 4 | + * | |
| 5 | + * @author ThimPress | |
| 6 | + * @package LearnPress/Classes | |
| 7 | + * @version 3.0.0 | |
| 8 | + */ | |
| 9 | + | |
| 10 | +/** | |
| 11 | + * Prevent loading this file directly | |
| 12 | + */ | |
| 13 | +defined( 'ABSPATH' ) || exit(); | |
| 14 | + | |
| 15 | +if ( ! class_exists( 'LP_Question' ) ) { | |
| 16 | + | |
| 17 | + /** | |
| 18 | + * Class LP_Question | |
| 19 | + * | |
| 20 | + * @extend LP_Course_Item | |
| 21 | + */ | |
| 22 | + class LP_Question extends LP_Course_Item { | |
| 23 | + | |
| 24 | + /** | |
| 25 | + * @var null | |
| 26 | + */ | |
| 27 | + protected $_options = null; | |
| 28 | + | |
| 29 | + /** | |
| 30 | + * @var string | |
| 31 | + */ | |
| 32 | + protected $_content = ''; | |
| 33 | + | |
| 34 | + /** | |
| 35 | + * Type of this question. | |
| 36 | + * | |
| 37 | + * @var string | |
| 38 | + */ | |
| 39 | + protected $_question_type = 'true_or_false'; | |
| 40 | + | |
| 41 | + /** | |
| 42 | + * @var string | |
| 43 | + */ | |
| 44 | + protected $_item_type = LP_QUESTION_CPT; | |
| 45 | + | |
| 46 | + /** | |
| 47 | + * @var array | |
| 48 | + */ | |
| 49 | + protected static $_types = array(); | |
| 50 | + | |
| 51 | + /** | |
| 52 | + * support answer options | |
| 53 | + * | |
| 54 | + * @var bool | |
| 55 | + */ | |
| 56 | + protected $_answer_options = true; | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * @var int | |
| 60 | + */ | |
| 61 | + // protected static $_loaded = 0; | |
| 62 | + | |
| 63 | + /** | |
| 64 | + * @var string | |
| 65 | + */ | |
| 66 | + public $object_type = 'question'; | |
| 67 | + | |
| 68 | + /** | |
| 69 | + * @var array | |
| 70 | + */ | |
| 71 | + protected $_data = array( | |
| 72 | + 'mark' => 0, | |
| 73 | + 'answer_options' => array(), | |
| 74 | + 'show_correct_answers' => '', | |
| 75 | + 'disable_answers' => '', | |
| 76 | + 'answered' => '', | |
| 77 | + 'explanation' => '', | |
| 78 | + 'hint' => '', | |
| 79 | + ); | |
| 80 | + | |
| 81 | + /** | |
| 82 | + * Construct | |
| 83 | + * | |
| 84 | + * @param mixed | |
| 85 | + * @param array | |
| 86 | + * | |
| 87 | + * @throws Exception | |
| 88 | + */ | |
| 89 | + public function __construct( $the_question = null, $args = null ) { | |
| 90 | + | |
| 91 | + parent::__construct( $the_question, $args ); | |
| 92 | + | |
| 93 | + $this->_curd = new LP_Question_CURD(); | |
| 94 | + if ( is_numeric( $the_question ) && $the_question > 0 ) { | |
| 95 | + $this->set_id( $the_question ); | |
| 96 | + } elseif ( $the_question instanceof self ) { | |
| 97 | + $this->set_id( absint( $the_question->get_id() ) ); | |
| 98 | + } elseif ( ! empty( $the_question->ID ) ) { | |
| 99 | + $this->set_id( absint( $the_question->ID ) ); | |
| 100 | + } | |
| 101 | + | |
| 102 | + if ( $this->_answer_options ) { | |
| 103 | + $this->add_support( 'answer_options' ); | |
| 104 | + $this->add_support( 'auto_calculate_point' ); | |
| 105 | + | |
| 106 | + if ( $this->get_type() !== 'true_or_false' ) { | |
| 107 | + $this->add_support( 'add_answer_option' ); | |
| 108 | + } | |
| 109 | + } | |
| 110 | + | |
| 111 | + $this->set_data( 'answered', false ); | |
| 112 | + | |
| 113 | + if ( $this->get_id() > 0 ) { | |
| 114 | + $this->load(); | |
| 115 | + } | |
| 116 | + | |
| 117 | + $this->_options = $args; | |
| 118 | + //$this->_init(); | |
| 119 | + // self::$_loaded ++; | |
| 120 | + } | |
| 121 | + | |
| 122 | + public function add_support( $feature, $type = 'yes' ) { | |
| 123 | + $feature = $this->_sanitize_feature_key( $feature ); | |
| 124 | + LP_Global::add_object_feature( $this->object_type . '.' . $this->get_type(), $feature, $type ); | |
| 125 | + } | |
| 126 | + | |
| 127 | + /*public function is_support( $feature, $type = '' ) { | |
| 128 | + $feature = $this->_sanitize_feature_key( $feature ); | |
| 129 | + | |
| 130 | + return LP_Global::object_is_support_feature( $this->object_type . '.' . $this->get_type(), $feature, $type ); | |
| 131 | + }*/ | |
| 132 | + | |
| 133 | + /** | |
| 134 | + * @deprecated 4.1.7.3 | |
| 135 | + */ | |
| 136 | + public function get_supports() { | |
| 137 | + _deprecated_function( __FUNCTION__, '4.1.7.3' ); | |
| 138 | + if ( empty( LP_Global::$object_support_features ) ) { | |
| 139 | + return false; | |
| 140 | + } | |
| 141 | + | |
| 142 | + return LP_Global::get_object_supports( $this->object_type . '.' . $this->get_type() ); | |
| 143 | + } | |
| 144 | + | |
| 145 | + /** | |
| 146 | + * Load data for question | |
| 147 | + * | |
| 148 | + * @throws Exception | |
| 149 | + */ | |
| 150 | + public function load() { | |
| 151 | + $this->_curd->load( $this ); | |
| 152 | + } | |
| 153 | + | |
| 154 | + /** | |
| 155 | + * Get default question meta. | |
| 156 | + * | |
| 157 | + * @return mixed | |
| 158 | + */ | |
| 159 | + public static function get_default_meta() { | |
| 160 | + $meta = array( | |
| 161 | + 'mark' => 1, | |
| 162 | + 'explanation' => null, | |
| 163 | + 'hint' => null, | |
| 164 | + ); | |
| 165 | + | |
| 166 | + return apply_filters( 'learn-press/question/default-meta', $meta ); | |
| 167 | + } | |
| 168 | + | |
| 169 | + /** | |
| 170 | + * Save question data. | |
| 171 | + * | |
| 172 | + * @since 3.0.0 | |
| 173 | + * | |
| 174 | + * @return int|object|WP_Error | |
| 175 | + */ | |
| 176 | + public function save() { | |
| 177 | + | |
| 178 | + if ( $this->get_id() ) { | |
| 179 | + $return = $this->_curd->update( $this ); | |
| 180 | + } else { | |
| 181 | + $return = $this->_curd->create( $this ); | |
| 182 | + } | |
| 183 | + | |
| 184 | + return $return; | |
| 185 | + } | |
| 186 | + | |
| 187 | + /** | |
| 188 | + * @return array|mixed | |
| 189 | + */ | |
| 190 | + public function get_mark() { | |
| 191 | + return $this->get_data( 'mark', 1 ); | |
| 192 | + } | |
| 193 | + | |
| 194 | + /** | |
| 195 | + * @param $mark | |
| 196 | + */ | |
| 197 | + public function set_mark( $mark ) { | |
| 198 | + $this->_set_data( 'mark', abs( $mark ) ); | |
| 199 | + } | |
| 200 | + | |
| 201 | + /** | |
| 202 | + * Do something before get data. | |
| 203 | + * Some data now is not auto loading when object is created | |
| 204 | + * therefore, we will load it here. | |
| 205 | + * | |
| 206 | + * @param string $name | |
| 207 | + * @param string $default | |
| 208 | + * | |
| 209 | + * @return array|mixed | |
| 210 | + */ | |
| 211 | + public function get_data( $name = '', $default = '' ) { | |
| 212 | + switch ( $name ) { | |
| 213 | + case 'answer_options': | |
| 214 | + $answer_options = parent::get_data( $name, $default ); | |
| 215 | + | |
| 216 | + if ( ! $answer_options ) { | |
| 217 | + $answer_options = $this->_curd->load_answer_options( $this->get_id() ); | |
| 218 | + $this->set_data( $name, $answer_options ); | |
| 219 | + } | |
| 220 | + | |
| 221 | + break; | |
| 222 | + } | |
| 223 | + | |
| 224 | + return parent::get_data( $name, $default ); | |
| 225 | + } | |
| 226 | + | |
| 227 | + /** | |
| 228 | + * @param string $yes_or_no | |
| 229 | + * | |
| 230 | + * @return array|mixed | |
| 231 | + */ | |
| 232 | + public function show_correct_answers( $yes_or_no = '' ) { | |
| 233 | + if ( in_array( $yes_or_no, array( 'yes', 'no' ) ) ) { | |
| 234 | + $this->_set_data( 'show_correct_answers', $yes_or_no ); | |
| 235 | + } | |
| 236 | + | |
| 237 | + return $this->get_data( 'show_correct_answers' ); | |
| 238 | + } | |
| 239 | + | |
| 240 | + /** | |
| 241 | + * @param string $yes_or_no | |
| 242 | + * | |
| 243 | + * @return array|mixed | |
| 244 | + */ | |
| 245 | + public function disable_answers( $yes_or_no = '' ) { | |
| 246 | + if ( in_array( $yes_or_no, array( 'yes', 'no' ) ) ) { | |
| 247 | + $this->_set_data( 'disable_answers', $yes_or_no ); | |
| 248 | + } | |
| 249 | + | |
| 250 | + return $this->get_data( 'disable_answers' ); | |
| 251 | + } | |
| 252 | + | |
| 253 | + /** | |
| 254 | + * Set answer for this question. | |
| 255 | + * | |
| 256 | + * @param mixed $answered | |
| 257 | + */ | |
| 258 | + public function set_answered( $answered ) { | |
| 259 | + $this->set_data( 'answered', $answered ); | |
| 260 | + } | |
| 261 | + | |
| 262 | + /** | |
| 263 | + * Get answer for this question if set. | |
| 264 | + * | |
| 265 | + * @return array|mixed | |
| 266 | + */ | |
| 267 | + public function get_answered() { | |
| 268 | + return $this->get_data( 'answered' ); | |
| 269 | + } | |
| 270 | + | |
| 271 | + /** | |
| 272 | + * Get answer options of the question | |
| 273 | + * | |
| 274 | + * @param array $args - Optional. | |
| 275 | + * | |
| 276 | + * @return mixed | |
| 277 | + */ | |
| 278 | + public function get_answer_options( $args = array() ) { | |
| 279 | + | |
| 280 | + $args = wp_parse_args( | |
| 281 | + $args, | |
| 282 | + array( | |
| 283 | + 'exclude' => '', | |
| 284 | + 'map' => '', | |
| 285 | + 'answer' => '', | |
| 286 | + ) | |
| 287 | + ); | |
| 288 | + | |
| 289 | + if ( $args['exclude'] && is_string( $args['exclude'] ) ) { | |
| 290 | + $exclude = array_map( 'trim', explode( ',', $args['exclude'] ) ); | |
| 291 | + } else { | |
| 292 | + $exclude = $args['exclude']; | |
| 293 | + } | |
| 294 | + | |
| 295 | + $map = $args['map']; | |
| 296 | + | |
| 297 | + $options = $this->get_data( 'answer_options' ); | |
| 298 | + | |
| 299 | + // Remove key if it in $exclude. | |
| 300 | + if ( $options && ( $exclude || $map ) ) { | |
| 301 | + $exclude = array_flip( $exclude ); | |
| 302 | + | |
| 303 | + foreach ( $options as $k => $option ) { | |
| 304 | + $option['title'] = do_shortcode( $option['title'] ); | |
| 305 | + | |
| 306 | + foreach ( $map as $k_map => $v_map ) { | |
| 307 | + if ( array_key_exists( $k_map, $option ) ) { | |
| 308 | + $option[ $v_map ] = $option[ $k_map ]; | |
| 309 | + $exclude[ $k_map ] = 1; | |
| 310 | + } | |
| 311 | + } | |
| 312 | + $options[ $k ] = array_diff_key( $option, $exclude ); | |
| 313 | + } | |
| 314 | + } | |
| 315 | + | |
| 316 | + return apply_filters( 'learn-press/question/answer-options', $options, $this->get_id() ); | |
| 317 | + } | |
| 318 | + | |
| 319 | + /** | |
| 320 | + * @param string $explanation | |
| 321 | + */ | |
| 322 | + public function set_explanation( $explanation = '' ) { | |
| 323 | + $this->_set_data( 'explanation', $explanation ); | |
| 324 | + } | |
| 325 | + | |
| 326 | + /** | |
| 327 | + * @return mixed | |
| 328 | + */ | |
| 329 | + public function get_explanation() { | |
| 330 | + return apply_filters( 'learn-press/question/explanation', do_shortcode( $this->get_data( 'explanation' ) ), $this->get_id() ); | |
| 331 | + } | |
| 332 | + | |
| 333 | + /** | |
| 334 | + * @param string $hint | |
| 335 | + */ | |
| 336 | + public function set_hint( $hint = '' ) { | |
| 337 | + $this->_set_data( 'hint', $hint ); | |
| 338 | + } | |
| 339 | + | |
| 340 | + /** | |
| 341 | + * @return mixed | |
| 342 | + */ | |
| 343 | + public function get_hint() { | |
| 344 | + return apply_filters( 'learn-press/question/hint', do_shortcode( $this->get_data( 'hint' ) ), $this->get_id() ); | |
| 345 | + } | |
| 346 | + | |
| 347 | + /** | |
| 348 | + * Get all type of questions | |
| 349 | + * | |
| 350 | + * @return mixed | |
| 351 | + */ | |
| 352 | + public static function get_types() { | |
| 353 | + $types = apply_filters( | |
| 354 | + 'learn-press/question-types', | |
| 355 | + array( | |
| 356 | + 'true_or_false' => esc_html__( 'True Or False', 'learnpress' ), | |
| 357 | + 'multi_choice' => esc_html__( 'Multi Choice', 'learnpress' ), | |
| 358 | + 'single_choice' => esc_html__( 'Single Choice', 'learnpress' ), | |
| 359 | + 'fill_in_blanks' => esc_html__( 'Fill In Blanks', 'learnpress' ), | |
| 360 | + ) | |
| 361 | + ); | |
| 362 | + | |
| 363 | + return apply_filters( 'learn_press_question_types', $types ); | |
| 364 | + } | |
| 365 | + | |
| 366 | + /** | |
| 367 | + * Store question and it's related data into database. | |
| 368 | + * | |
| 369 | + * @return mixed | |
| 370 | + */ | |
| 371 | + public function store() { | |
| 372 | + global $wpdb; | |
| 373 | + $id = absint( $this->get_id() ); | |
| 374 | + $is_update = $id > 0; | |
| 375 | + $post_data = array( | |
| 376 | + 'post_title' => $this->get_data( 'title' ), | |
| 377 | + 'post_type' => LP_QUESTION_CPT, | |
| 378 | + 'ID' => $id, | |
| 379 | + ); | |
| 380 | + if ( $is_update ) { | |
| 381 | + $updated = wp_update_post( $post_data, true ); | |
| 382 | + } else { | |
| 383 | + $updated = wp_insert_post( $post_data, true ); | |
| 384 | + } | |
| 385 | + | |
| 386 | + if ( ! is_numeric( $updated ) ) { | |
| 387 | + return false; | |
| 388 | + } | |
| 389 | + | |
| 390 | + // Does this question support answer options? | |
| 391 | + /*if ( ! $this->is_support( 'answer_options' ) ) { | |
| 392 | + return $updated; | |
| 393 | + }*/ | |
| 394 | + | |
| 395 | + $this->empty_answers(); | |
| 396 | + $answer_options = $this->get_data( 'answer_options' ); | |
| 397 | + if ( $answer_options ) { | |
| 398 | + $question_order = 1; | |
| 399 | + $query = "INSERT INTO {$wpdb->prefix}learnpress_question_answers(`question_id`, `order`) VALUES"; | |
| 400 | + foreach ( $answer_options as $answer_option ) { | |
| 401 | + if ( empty( $answer_option['title'] ) ) { | |
| 402 | + if ( apply_filters( 'learn-press/question/ignore-insert-empty-answer-option', true, $answer_option, $id ) ) { | |
| 403 | + continue; | |
| 404 | + } | |
| 405 | + } | |
| 406 | + $qry = $query . $wpdb->prepare( '(%d, %d)', $id, $question_order ++ ); | |
| 407 | + do_action( 'learn-press/question/insert-answer-option', $id, $answer_option ); | |
| 408 | + if ( $wpdb->query( $qry ) ) { | |
| 409 | + $inserted_id = $wpdb->insert_id; | |
| 410 | + learn_press_update_question_answer_meta( $inserted_id, 'text', $answer_option['text'] ); | |
| 411 | + learn_press_update_question_answer_meta( $inserted_id, 'value', $answer_option['value'] ); | |
| 412 | + if ( ! empty( $answer_option['is_true'] ) && ! learn_press_is_negative_value( $answer_option['is_true'] ) ) { | |
| 413 | + learn_press_update_question_answer_meta( $inserted_id, 'checked', 'yes' ); | |
| 414 | + } | |
| 415 | + do_action( 'learn-press/question/inserted-answer-option', $inserted_id, $id, $answer_option ); | |
| 416 | + } | |
| 417 | + } | |
| 418 | + } | |
| 419 | + | |
| 420 | + return $updated; | |
| 421 | + } | |
| 422 | + | |
| 423 | + /** | |
| 424 | + * Remove all answers to prepare for inserting new | |
| 425 | + */ | |
| 426 | + public function empty_answers() { | |
| 427 | + global $wpdb; | |
| 428 | + $id = absint( $this->get_id() ); | |
| 429 | + $table_meta = $wpdb->learnpress_question_answermeta; | |
| 430 | + $table_main = $wpdb->learnpress_question_answers; | |
| 431 | + $query = $wpdb->prepare( | |
| 432 | + " | |
| 433 | + DELETE FROM t1, t2 | |
| 434 | + USING {$table_main} AS t1 INNER JOIN {$table_meta} AS t2 ON t1.question_answer_id = t2.learnpress_question_answer_id | |
| 435 | + WHERE t1.question_id = %d | |
| 436 | + ", | |
| 437 | + $id | |
| 438 | + ); | |
| 439 | + | |
| 440 | + // deprecated | |
| 441 | + do_action( 'learn_press_before_delete_question_answers', $id ); | |
| 442 | + | |
| 443 | + do_action( 'learn-press/question/delete-answers', $id ); | |
| 444 | + if ( $wpdb->query( $query ) ) { | |
| 445 | + do_action( 'learn-press/question/deleted-answers', $id ); | |
| 446 | + } | |
| 447 | + // deprecated | |
| 448 | + do_action( 'learn_press_delete_question_answers', $id ); | |
| 449 | + } | |
| 450 | + | |
| 451 | + /** | |
| 452 | + * @param $meta | |
| 453 | + * @param $field | |
| 454 | + * @param $is_saved | |
| 455 | + * | |
| 456 | + * @return string | |
| 457 | + * @deprecated 4.1.7.3 | |
| 458 | + */ | |
| 459 | + public function _filter_meta_box_meta( $meta, $field, $is_saved ) { | |
| 460 | + _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 461 | + /*if ( preg_match( '~\[question-content\]~', $field['id'] ) && $field['context'] == 'quiz-list-questions' ) { | |
| 462 | + $post = get_post( $this->get_id() ); | |
| 463 | + $meta = $post->post_content; | |
| 464 | + } | |
| 465 | + | |
| 466 | + return $meta;*/ | |
| 467 | + } | |
| 468 | + | |
| 469 | + /** | |
| 470 | + * Set new type of question. | |
| 471 | + * Update _lp_type meta to new type. | |
| 472 | + * | |
| 473 | + * @param string $type | |
| 474 | + * | |
| 475 | + * @return bool | |
| 476 | + */ | |
| 477 | + public function set_type( $type = '' ) { | |
| 478 | + | |
| 479 | + if ( ! $type ) { | |
| 480 | + return false; | |
| 481 | + } | |
| 482 | + | |
| 483 | + if ( ! learn_press_is_support_question_type( $type ) ) { | |
| 484 | + return false; | |
| 485 | + } | |
| 486 | + | |
| 487 | + // Change to new type and update meta value | |
| 488 | + $this->_question_type = $type; | |
| 489 | + update_post_meta( $this->get_id(), '_lp_type', $type ); | |
| 490 | + | |
| 491 | + return true; | |
| 492 | + } | |
| 493 | + | |
| 494 | + /** | |
| 495 | + * Update ordering of question answers | |
| 496 | + * | |
| 497 | + * @param array $orders List of answers | |
| 498 | + * @deprecated 4.1.7.3 | |
| 499 | + */ | |
| 500 | + public function update_answer_orders( $orders ) { | |
| 501 | + _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 502 | + /*global $wpdb; | |
| 503 | + $query = $wpdb->prepare( | |
| 504 | + " | |
| 505 | + SELECT qa.question_answer_id, qam2.meta_value as `name`, qam.meta_value as `value` | |
| 506 | + FROM {$wpdb->learnpress_question_answers} qa | |
| 507 | + INNER JOIN {$wpdb->learnpress_question_answermeta} qam ON qa.question_answer_id = qam.learnpress_question_answer_id AND qam.meta_key = %s | |
| 508 | + INNER JOIN {$wpdb->learnpress_question_answermeta} qam2 ON qa.question_answer_id = qam2.learnpress_question_answer_id AND qam2.meta_key = %s | |
| 509 | + WHERE qa.question_id = %d | |
| 510 | + ORDER BY `order` | |
| 511 | + ", | |
| 512 | + 'value', | |
| 513 | + 'text', | |
| 514 | + $this->get_id() | |
| 515 | + ); | |
| 516 | + if ( $answers = $wpdb->get_results( $query ) ) { | |
| 517 | + $query = " | |
| 518 | + UPDATE {$wpdb->learnpress_question_answers} | |
| 519 | + SET `order` = CASE | |
| 520 | + "; | |
| 521 | + for ( $order = 0, $n = sizeof( $orders ); $order < $n; $order ++ ) { | |
| 522 | + $found_answer = false; | |
| 523 | + foreach ( $answers as $answer ) { | |
| 524 | + if ( $answer->value == $orders[ $order ]['value'] && $answer->name == $orders[ $order ]['text'] ) { | |
| 525 | + $found_answer = $answer; | |
| 526 | + break; | |
| 527 | + } | |
| 528 | + } | |
| 529 | + if ( $found_answer === false ) { | |
| 530 | + continue; | |
| 531 | + } | |
| 532 | + $query .= $wpdb->prepare( 'WHEN question_answer_id = %d THEN %d', $found_answer->question_answer_id, $order + 1 ) . "\n"; | |
| 533 | + } | |
| 534 | + $query .= sprintf( 'ELSE `order` END WHERE question_id = %d', $this->get_id() ); | |
| 535 | + $wpdb->query( $query ); | |
| 536 | + }*/ | |
| 537 | + } | |
| 538 | + | |
| 539 | + /** | |
| 540 | + * Return type of question. | |
| 541 | + * | |
| 542 | + * @return string | |
| 543 | + */ | |
| 544 | + public function get_type() { | |
| 545 | + return $this->_question_type; | |
| 546 | + } | |
| 547 | + | |
| 548 | + /** | |
| 549 | + * Return type of question in 'readable text'. | |
| 550 | + * | |
| 551 | + * @return string | |
| 552 | + */ | |
| 553 | + public function get_type_label() { | |
| 554 | + return learn_press_question_types()[ $this->get_type() ]; | |
| 555 | + } | |
| 556 | + | |
| 557 | + protected function _init() { | |
| 558 | + //add_filter( 'learn_press_question_answers', array( $this, '_get_default_answers' ), 10, 2 ); | |
| 559 | + } | |
| 560 | + | |
| 561 | + | |
| 562 | + /** | |
| 563 | + * | |
| 564 | + * @param mixed $answers | |
| 565 | + * @param LP_Question $q | |
| 566 | + * | |
| 567 | + * @return array|bool | |
| 568 | + * @deprecated 4.1.7.3 | |
| 569 | + */ | |
| 570 | + /*public function _get_default_answers( $answers = false, $q = null ) { | |
| 571 | + if ( ! $answers && ( $q && $q->get_id() == $this->get_id() ) ) { | |
| 572 | + $answers = $this->get_default_answers(); | |
| 573 | + } | |
| 574 | + | |
| 575 | + return $answers; | |
| 576 | + }*/ | |
| 577 | + | |
| 578 | + /** | |
| 579 | + * Get default question answer. | |
| 580 | + * | |
| 581 | + * @return array | |
| 582 | + */ | |
| 583 | + public static function get_default_answer() { | |
| 584 | + $answer = array( | |
| 585 | + 'question_answer_id' => - 1, | |
| 586 | + 'title' => '', | |
| 587 | + 'is_true' => '', | |
| 588 | + 'value' => learn_press_random_value(), | |
| 589 | + ); | |
| 590 | + | |
| 591 | + return $answer; | |
| 592 | + } | |
| 593 | + | |
| 594 | + /** | |
| 595 | + * Get default question list answers. | |
| 596 | + * | |
| 597 | + * @return array|bool | |
| 598 | + */ | |
| 599 | + public function get_default_answers() { | |
| 600 | + $answers = array( | |
| 601 | + array( | |
| 602 | + 'question_answer_id' => - 1, | |
| 603 | + 'is_true' => 'yes', | |
| 604 | + 'value' => learn_press_random_value(), | |
| 605 | + 'title' => esc_html__( 'First option', 'learnpress' ), | |
| 606 | + ), | |
| 607 | + array( | |
| 608 | + 'question_answer_id' => - 2, | |
| 609 | + 'is_true' => 'no', | |
| 610 | + 'value' => learn_press_random_value(), | |
| 611 | + 'title' => esc_html__( 'Second option', 'learnpress' ), | |
| 612 | + ), | |
| 613 | + array( | |
| 614 | + 'question_answer_id' => - 3, | |
| 615 | + 'is_true' => 'no', | |
| 616 | + 'value' => learn_press_random_value(), | |
| 617 | + 'title' => esc_html__( 'Third option', 'learnpress' ), | |
| 618 | + ), | |
| 619 | + ); | |
| 620 | + | |
| 621 | + return $answers; | |
| 622 | + } | |
| 623 | + | |
| 624 | + | |
| 625 | + /** | |
| 626 | + * Get question answers option. | |
| 627 | + * | |
| 628 | + * @since 3.0.0 | |
| 629 | + * @version 4.0.1 | |
| 630 | + * @modify 4.1.7.3 by tungnx | |
| 631 | + * @return LP_Question_Answer_Option[] | |
| 632 | + */ | |
| 633 | + public function get_answers(): array { | |
| 634 | + $lp_question_cache = LP_Question_Cache::instance(); | |
| 635 | + $key_cache = "{$this->get_id()}/option_answers"; | |
| 636 | + //$answers = LP_Object_Cache::get( 'answer-options-' . $this->get_id(), 'learn-press/questions' ); | |
| 637 | + $answers_option = $lp_question_cache->get_cache( $key_cache ); | |
| 638 | + | |
| 639 | + if ( false === $answers_option ) { | |
| 640 | + $answers_option = $this->_curd->load_answer_options( $this->get_id() ); | |
| 641 | + | |
| 642 | + if ( ! $answers_option ) { | |
| 643 | + $answers_option = $this->get_default_answers(); | |
| 644 | + } | |
| 645 | + | |
| 646 | + $lp_question_cache->set_cache( $key_cache, $answers_option ); | |
| 647 | + } | |
| 648 | + | |
| 649 | + require_once 'class-lp-question-answers.php'; | |
| 650 | + | |
| 651 | + $answers_option_tmp = []; | |
| 652 | + foreach ( $answers_option as $k => $answer ) { | |
| 653 | + $answer_option = new LP_Question_Answer_Option( $this, $answer ); | |
| 654 | + $answers_option_tmp[] = $answer_option; | |
| 655 | + } | |
| 656 | + | |
| 657 | + return $answers_option_tmp; | |
| 658 | + } | |
| 659 | + | |
| 660 | + /** | |
| 661 | + * Create default answers. | |
| 662 | + * | |
| 663 | + * @since 3.3.0 | |
| 664 | + */ | |
| 665 | + public function create_default_answers() { | |
| 666 | + global $wpdb; | |
| 667 | + | |
| 668 | + $answers = $this->get_default_answers(); | |
| 669 | + | |
| 670 | + foreach ( $answers as $index => $answer ) { | |
| 671 | + $answer = array( | |
| 672 | + 'question_id' => $this->get_id(), | |
| 673 | + 'title' => $answer['title'], | |
| 674 | + 'value' => $answer['value'] ?? '', | |
| 675 | + 'is_true' => ( $answer['is_true'] == 'yes' ) ? $answer['is_true'] : '', | |
| 676 | + 'order' => $index + 1, | |
| 677 | + ); | |
| 678 | + | |
| 679 | + $wpdb->insert( | |
| 680 | + $wpdb->learnpress_question_answers, | |
| 681 | + $answer, | |
| 682 | + array( '%d', '%s', '%s', '%s', '%d' ) | |
| 683 | + ); | |
| 684 | + | |
| 685 | + $question_answer_id = $wpdb->insert_id; | |
| 686 | + | |
| 687 | + if ( $question_answer_id ) { | |
| 688 | + $answer['question_answer_id'] = $question_answer_id; | |
| 689 | + } | |
| 690 | + | |
| 691 | + $answers[ $index ] = $answer; | |
| 692 | + } | |
| 693 | + | |
| 694 | + $this->set_data( 'answer_options', $answers ); | |
| 695 | + } | |
| 696 | + | |
| 697 | + public function setup_data( $quiz_id, $course_id = 0, $user_id = 0 ) { | |
| 698 | + | |
| 699 | + $quiz = learn_press_get_quiz( $quiz_id ); | |
| 700 | + $course = learn_press_get_course( $course_id ); | |
| 701 | + | |
| 702 | + if ( $user_id ) { | |
| 703 | + $user = learn_press_get_user( $user_id ); | |
| 704 | + } else { | |
| 705 | + $user = learn_press_get_current_user(); | |
| 706 | + } | |
| 707 | + | |
| 708 | + $show_correct = false; | |
| 709 | + | |
| 710 | + if ( $user && $quiz && $course ) { | |
| 711 | + $user_quiz = $user->get_quiz_data( $quiz->get_id(), $course->get_id() ); | |
| 712 | + if ( $user_quiz ) { | |
| 713 | + $has_checked = $user->has_checked_answer( $this->get_id(), $quiz->get_id(), $course->get_id() ); | |
| 714 | + $show_correct = $user_quiz->is_completed() && $has_checked ? 'yes' : false; | |
| 715 | + $answered = $user_quiz->get_question_answer( $this->get_id() ); | |
| 716 | + $this->set_answered( $answered ); | |
| 717 | + } | |
| 718 | + } | |
| 719 | + | |
| 720 | + $this->show_correct_answers( $show_correct ); | |
| 721 | + } | |
| 722 | + | |
| 723 | + /** | |
| 724 | + * Get question name. | |
| 725 | + * | |
| 726 | + * @return string | |
| 727 | + * @deprecated 4.1.7.3 | |
| 728 | + */ | |
| 729 | + public function get_name() { | |
| 730 | + _deprecated_function( __METHOD__, '4.1.7.3' ); | |
| 731 | + /*return $this->_options['name'] ?? ucfirst( | |
| 732 | + preg_replace_callback( | |
| 733 | + '!_([a-z])!', | |
| 734 | + array( | |
| 735 | + $this, | |
| 736 | + 'sanitize_name_callback', | |
| 737 | + ), | |
| 738 | + $this->get_type() | |
| 739 | + ) | |
| 740 | + );*/ | |
| 741 | + } | |
| 742 | + | |
| 743 | + /** | |
| 744 | + * @param $matches | |
| 745 | + * | |
| 746 | + * @return string | |
| 747 | + */ | |
| 748 | + public function sanitize_name_callback( $matches ) { | |
| 749 | + return strtoupper( $matches[1] ); | |
| 750 | + } | |
| 751 | + | |
| 752 | + /** | |
| 753 | + * Sets the value for a variable of this class | |
| 754 | + * | |
| 755 | + * @param $key string The name of a variable of this class | |
| 756 | + * @param $value mixed The value to set | |
| 757 | + * | |
| 758 | + * @return void | |
| 759 | + */ | |
| 760 | + public function set( $key, $value ) { | |
| 761 | + $this->$key = $value; | |
| 762 | + } | |
| 763 | + | |
| 764 | + /** | |
| 765 | + * Gets the value of a variable of this class with multiple level of an object or array | |
| 766 | + * example: $obj->get('a.b') -> like this : | |
| 767 | + * - $obj->a->b | |
| 768 | + * - or $obj->a['b'] | |
| 769 | + * | |
| 770 | + * @param null $key string Single or multiple level such as a.b.c | |
| 771 | + * @param null $default mixed Return a default value if the key does not exists or is empty | |
| 772 | + * @param null $func string The function to apply the result before return | |
| 773 | + * | |
| 774 | + * @return mixed|null | |
| 775 | + */ | |
| 776 | + public function get( $key = null, $default = null, $func = null ) { | |
| 777 | + $val = $this->_get( $this, $key, $default ); | |
| 778 | + | |
| 779 | + return is_callable( $func ) ? call_user_func_array( $func, array( $val ) ) : $val; | |
| 780 | + } | |
| 781 | + | |
| 782 | + | |
| 783 | + /** | |
| 784 | + * Magic function to get question data. | |
| 785 | + * | |
| 786 | + * @param $prop | |
| 787 | + * @param $key | |
| 788 | + * @param null $default | |
| 789 | + * @param null $type | |
| 790 | + * | |
| 791 | + * @return mixed|null | |
| 792 | + */ | |
| 793 | + protected function _get( $prop, $key, $default = null, $type = null ) { | |
| 794 | + $return = $default; | |
| 795 | + | |
| 796 | + if ( $key === false || $key == null ) { | |
| 797 | + return $return; | |
| 798 | + } | |
| 799 | + $deep = explode( '.', $key ); | |
| 800 | + | |
| 801 | + if ( is_array( $prop ) ) { | |
| 802 | + if ( isset( $prop[ $deep[0] ] ) ) { | |
| 803 | + $return = $prop[ $deep[0] ]; | |
| 804 | + if ( count( $deep ) > 1 ) { | |
| 805 | + unset( $deep[0] ); | |
| 806 | + $return = $this->_get( $return, implode( '.', $deep ), $default, $type ); | |
| 807 | + } | |
| 808 | + } | |
| 809 | + } elseif ( is_object( $prop ) ) { | |
| 810 | + if ( isset( $prop->{$deep[0]} ) ) { | |
| 811 | + $return = $prop->{$deep[0]}; | |
| 812 | + if ( count( $deep ) > 1 ) { | |
| 813 | + unset( $deep[0] ); | |
| 814 | + $return = $this->_get( $return, implode( '.', $deep ), $default, $type ); | |
| 815 | + } | |
| 816 | + } | |
| 817 | + } | |
| 818 | + | |
| 819 | + if ( $type == 'object' ) { | |
| 820 | + settype( $return, 'object' ); | |
| 821 | + } elseif ( $type == 'array' ) { | |
| 822 | + settype( $return, 'array' ); | |
| 823 | + } | |
| 824 | + | |
| 825 | + return $return; | |
| 826 | + } | |
| 827 | + | |
| 828 | + /** | |
| 829 | + * Find value in answer's option and compare with value answered by user. | |
| 830 | + * | |
| 831 | + * @param LP_Question_Answer_Option $answer | |
| 832 | + * @param mixed $answered | |
| 833 | + * | |
| 834 | + * @return bool | |
| 835 | + */ | |
| 836 | + public function is_selected_option( $answer, $answered = false ): bool { | |
| 837 | + if ( is_array( $answered ) ) { | |
| 838 | + $is_selected = in_array( $answer['value'], $answered ); | |
| 839 | + } else { | |
| 840 | + $is_selected = $answer['value'] === $answered; | |
| 841 | + } | |
| 842 | + | |
| 843 | + return apply_filters( 'learn-press/question/is-selected-option', $is_selected, $answer, $answered, $this->get_id() ); | |
| 844 | + } | |
| 845 | + | |
| 846 | + /** | |
| 847 | + * Save user question answer. | |
| 848 | + * | |
| 849 | + * @param $answer | |
| 850 | + * @param $quiz_id | |
| 851 | + * @param null $user_id | |
| 852 | + * @deprecated 4.2.7.3 | |
| 853 | + */ | |
| 854 | + /*public function save_user_answer( $answer, $quiz_id, $user_id = null ) { | |
| 855 | + if ( $user_id ) { | |
| 856 | + $user = LP_User_Factory::get_user( $user_id ); | |
| 857 | + } else { | |
| 858 | + $user = learn_press_get_current_user(); | |
| 859 | + } | |
| 860 | + | |
| 861 | + $progress = $user->get_quiz_progress( $quiz_id ); | |
| 862 | + | |
| 863 | + if ( $progress ) { | |
| 864 | + if ( ! isset( $progress->question_answers ) ) { | |
| 865 | + $question_answers = array(); | |
| 866 | + } else { | |
| 867 | + $question_answers = $progress->question_answers; | |
| 868 | + } | |
| 869 | + $question_answers[ $this->get_id() ] = $answer; | |
| 870 | + | |
| 871 | + $question_answers = apply_filters( 'learn_press_update_user_question_answers', $question_answers, $progress->history_id, $user_id, $this, $quiz_id ); | |
| 872 | + | |
| 873 | + // learn_press_update_user_quiz_meta( $progress->history_id, 'question_answers', $question_answers ); | |
| 874 | + } | |
| 875 | + }*/ | |
| 876 | + | |
| 877 | + /** | |
| 878 | + * Allow check question answer, default disable for True or False and Single choice, override by Multiple choice question. | |
| 879 | + * | |
| 880 | + * @return bool | |
| 881 | + */ | |
| 882 | + public function can_check_answer() { | |
| 883 | + return false; | |
| 884 | + } | |
| 885 | + | |
| 886 | + /** | |
| 887 | + * Check user answer, override by question type class. | |
| 888 | + * | |
| 889 | + * @param null $args | question answered | |
| 890 | + * | |
| 891 | + * @return array | |
| 892 | + */ | |
| 893 | + public function check( $args = null ) { | |
| 894 | + $return = array( | |
| 895 | + 'correct' => false, | |
| 896 | + 'mark' => 0, | |
| 897 | + ); | |
| 898 | + | |
| 899 | + return $return; | |
| 900 | + } | |
| 901 | + | |
| 902 | + /** | |
| 903 | + * Get answer at position | |
| 904 | + * | |
| 905 | + * @since 3.0.0 | |
| 906 | + * | |
| 907 | + * @param int $at | |
| 908 | + * | |
| 909 | + * @return LP_Question_Answer_Option|mixed | |
| 910 | + */ | |
| 911 | + public function get_answer_at( $at ) { | |
| 912 | + return $this->get_answers()->get_answer_at( $at ); | |
| 913 | + } | |
| 914 | + | |
| 915 | + /** | |
| 916 | + * Get user answered data. | |
| 917 | + * | |
| 918 | + * @param $args | |
| 919 | + * | |
| 920 | + * @return null | |
| 921 | + */ | |
| 922 | + public function get_user_answered( $args ) { | |
| 923 | + $args = wp_parse_args( | |
| 924 | + $args, | |
| 925 | + array( | |
| 926 | + 'history_id' => 0, | |
| 927 | + 'quiz_id' => 0, | |
| 928 | + 'course_id' => 0, | |
| 929 | + 'force' => false, | |
| 930 | + ) | |
| 931 | + ); | |
| 932 | + $answered = null; | |
| 933 | + if ( $args['history_id'] ) { | |
| 934 | + $user_meta = learn_press_get_user_item_meta( $args['history_id'], 'question_answers', true ); | |
| 935 | + if ( $user_meta && array_key_exists( $this->get_id(), $user_meta ) ) { | |
| 936 | + $answered = $user_meta[ $this->get_id() ]; | |
| 937 | + } | |
| 938 | + } elseif ( $args['quiz_id'] && $args['course_id'] ) { | |
| 939 | + $user = learn_press_get_current_user(); | |
| 940 | + $history = $user->get_quiz_results( $args['quiz_id'], $args['course_id'] ); | |
| 941 | + | |
| 942 | + if ( $history ) { | |
| 943 | + $user_meta = learn_press_get_user_item_meta( $history->history_id, 'question_answers', true ); | |
| 944 | + | |
| 945 | + if ( $user_meta && array_key_exists( $this->get_id(), $user_meta ) ) { | |
| 946 | + $answered = $user_meta[ $this->get_id() ]; | |
| 947 | + } | |
| 948 | + } | |
| 949 | + } | |
| 950 | + | |
| 951 | + return $answered; | |
| 952 | + } | |
| 953 | + | |
| 954 | + /** | |
| 955 | + * Get question. | |
| 956 | + * | |
| 957 | + * @param bool $the_question | |
| 958 | + * @param array $args | |
| 959 | + * | |
| 960 | + * @return LP_Question|bool | |
| 961 | + */ | |
| 962 | + public static function get_question( $the_question = false, $args = array() ) { | |
| 963 | + // question object | |
| 964 | + $the_question = self::get_question_object( $the_question ); | |
| 965 | + if ( ! $the_question ) { | |
| 966 | + return false; | |
| 967 | + } | |
| 968 | + | |
| 969 | + if ( ! empty( $args['force'] ) ) { | |
| 970 | + $force = ! ! $args['force']; | |
| 971 | + unset( $args['force'] ); | |
| 972 | + } else { | |
| 973 | + $force = false; | |
| 974 | + } | |
| 975 | + | |
| 976 | + $key_args = wp_parse_args( | |
| 977 | + $args, | |
| 978 | + array( | |
| 979 | + 'id' => $the_question->ID, | |
| 980 | + 'type' => $the_question->post_type, | |
| 981 | + ) | |
| 982 | + ); | |
| 983 | + | |
| 984 | + $key = LP_Helper::array_to_md5( $key_args ); | |
| 985 | + | |
| 986 | + if ( $force ) { | |
| 987 | + LP_Global::$questions[ $key ] = false; | |
| 988 | + } | |
| 989 | + | |
| 990 | + if ( empty( LP_Global::$questions[ $key ] ) ) { | |
| 991 | + $class_name = self::get_question_class( $the_question, $args ); | |
| 992 | + if ( is_string( $class_name ) && class_exists( $class_name ) ) { | |
| 993 | + $lesson = new $class_name( $the_question->ID, $args ); | |
| 994 | + } elseif ( $class_name instanceof LP_Question ) { | |
| 995 | + $lesson = $class_name; | |
| 996 | + } else { | |
| 997 | + $lesson = new self( $the_question->ID, $args ); | |
| 998 | + } | |
| 999 | + LP_Global::$questions[ $key ] = $lesson; | |
| 1000 | + } | |
| 1001 | + | |
| 1002 | + return LP_Global::$questions[ $key ]; | |
| 1003 | + } | |
| 1004 | + | |
| 1005 | + /** | |
| 1006 | + * Get the question class name. | |
| 1007 | + * | |
| 1008 | + * @param WP_Post $the_question | |
| 1009 | + * @param array $args (default: array()) | |
| 1010 | + * | |
| 1011 | + * @return string | |
| 1012 | + */ | |
| 1013 | + private static function get_question_class( $the_question, $args = array() ) { | |
| 1014 | + $question_id = absint( $the_question->ID ); | |
| 1015 | + if ( ! empty( $args['type'] ) ) { | |
| 1016 | + $question_type = $args['type']; | |
| 1017 | + } else { | |
| 1018 | + $question_type = get_post_meta( $question_id, '_lp_type', true ); | |
| 1019 | + } | |
| 1020 | + | |
| 1021 | + $class_name = self::get_class_name_from_question_type( array( $question_type ) ); | |
| 1022 | + | |
| 1023 | + // Filter class name so that the class can be overridden if extended. | |
| 1024 | + return apply_filters( 'learn-press/question/object-class', $class_name, $question_type, $question_id ); | |
| 1025 | + } | |
| 1026 | + | |
| 1027 | + /** | |
| 1028 | + * Get question class from question type. | |
| 1029 | + * | |
| 1030 | + * @param string $question_type | |
| 1031 | + * | |
| 1032 | + * @return string|false | |
| 1033 | + */ | |
| 1034 | + public static function get_class_name_from_question_type( $question_type ) { | |
| 1035 | + | |
| 1036 | + if ( is_array( $question_type ) ) { | |
| 1037 | + $question_type = reset( $question_type ); | |
| 1038 | + } | |
| 1039 | + | |
| 1040 | + return ! $question_type ? __CLASS__ : 'LP_Question_' . implode( '_', array_map( 'ucfirst', explode( '-', $question_type ) ) ); | |
| 1041 | + } | |
| 1042 | + | |
| 1043 | + /** | |
| 1044 | + * Get the question object. | |
| 1045 | + * | |
| 1046 | + * @since 3.0.0 | |
| 1047 | + * | |
| 1048 | + * @param mixed $the_question | |
| 1049 | + * | |
| 1050 | + * @uses WP_Post | |
| 1051 | + * @return WP_Post|bool false on failure | |
| 1052 | + */ | |
| 1053 | + private static function get_question_object( $the_question ) { | |
| 1054 | + if ( false === $the_question ) { | |
| 1055 | + $the_question = get_post_type() === LP_QUESTION_CPT ? $GLOBALS['post'] : false; | |
| 1056 | + } elseif ( is_numeric( $the_question ) ) { | |
| 1057 | + $the_question = get_post( $the_question ); | |
| 1058 | + } elseif ( $the_question instanceof LP_Course_Item ) { | |
| 1059 | + $the_question = get_post( $the_question->get_id() ); | |
| 1060 | + } elseif ( ! ( $the_question instanceof WP_Post ) ) { | |
| 1061 | + $the_question = false; | |
| 1062 | + } | |
| 1063 | + | |
| 1064 | + return apply_filters( 'learn-press/question/post-object', $the_question ); | |
| 1065 | + } | |
| 1066 | + | |
| 1067 | + protected function _get_checked( $user_answer = null ) { | |
| 1068 | + $key = $user_answer ? md5( serialize( $user_answer ) ) : - 1; | |
| 1069 | + | |
| 1070 | + return LP_Object_Cache::get( 'question-' . $this->get_id() . '/' . $key, 'learn-press/answer-checked' ); | |
| 1071 | + } | |
| 1072 | + | |
| 1073 | + protected function _set_checked( $checked, $user_answer ) { | |
| 1074 | + $key = $user_answer ? md5( serialize( $user_answer ) ) : - 1; | |
| 1075 | + | |
| 1076 | + return LP_Object_Cache::set( 'question-' . $this->get_id() . '/' . $key, $checked, 'learn-press/answer-checked' ); | |
| 1077 | + } | |
| 1078 | + | |
| 1079 | + /** | |
| 1080 | + * Get default json data for editor settings | |
| 1081 | + * | |
| 1082 | + * @since 3.3.0 | |
| 1083 | + * | |
| 1084 | + * @return array | |
| 1085 | + */ | |
| 1086 | + public function get_editor_default_settings() { | |
| 1087 | + return apply_filters( | |
| 1088 | + 'learn-press/question-editor-default-settings', | |
| 1089 | + array( | |
| 1090 | + 'id' => $this->get_id(), | |
| 1091 | + 'type' => $this->get_type(), | |
| 1092 | + 'duration' => $this->get_duration(), | |
| 1093 | + ) | |
| 1094 | + ); | |
| 1095 | + } | |
| 1096 | + | |
| 1097 | + /** | |
| 1098 | + * Get json data for editor settings. | |
| 1099 | + * | |
| 1100 | + * @since 3.3.0 | |
| 1101 | + * | |
| 1102 | + * @return array | |
| 1103 | + */ | |
| 1104 | + public function get_editor_settings() { | |
| 1105 | + $defaults = $this->get_editor_default_settings(); | |
| 1106 | + | |
| 1107 | + return apply_filters( | |
| 1108 | + 'learn-press/question-editor-settings', | |
| 1109 | + array_merge( | |
| 1110 | + $defaults, | |
| 1111 | + array() | |
| 1112 | + ), | |
| 1113 | + $this->get_type(), | |
| 1114 | + $this->get_id(), | |
| 1115 | + $this | |
| 1116 | + ); | |
| 1117 | + } | |
| 1118 | + } | |
| 1119 | + | |
| 1120 | +} | |
