| @@ -1,730 +1,725 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -/** | |
| 4 | - * Class LP_User_Item_CURD | |
| 5 | - * | |
| 6 | - * Class to manipulating user item with database. | |
| 7 | - */ | |
| 8 | -class LP_User_Item_CURD implements LP_Interface_CURD { | |
| 9 | - /** | |
| 10 | - * Errors codes and message. | |
| 11 | - * | |
| 12 | - * @var array|bool | |
| 13 | - */ | |
| 14 | - protected $_error_messages = false; | |
| 15 | - | |
| 16 | - /** | |
| 17 | - * LP_User_Item_CURD constructor. | |
| 18 | - */ | |
| 19 | - public function __construct() { | |
| 20 | - $this->_error_messages = array( | |
| 21 | - 'QUIZ_NOT_EXISTS' => __( 'The quiz does not exist.', 'learnpress' ), | |
| 22 | - ); | |
| 23 | - } | |
| 24 | - | |
| 25 | - /** | |
| 26 | - * @param LP_Quiz $quiz | |
| 27 | - * | |
| 28 | - * @return LP_Quiz|mixed | |
| 29 | - * @throws Exception | |
| 30 | - */ | |
| 31 | - public function load( &$quiz ) { | |
| 32 | - $the_id = $quiz->get_id(); | |
| 33 | - | |
| 34 | - if ( ! $the_id || LP_QUIZ_CPT !== learn_press_get_post_type( $the_id ) ) { | |
| 35 | - throw new Exception( __( 'Invalid quiz.', 'learnpress' ) ); | |
| 36 | - } | |
| 37 | - | |
| 38 | - $quiz->set_data_via_methods( | |
| 39 | - array( | |
| 40 | - 'retake_count' => get_post_meta( $quiz->get_id(), '_lp_retake_count', true ), | |
| 41 | - 'show_result' => get_post_meta( $quiz->get_id(), '_lp_show_result', true ), | |
| 42 | - 'passing_grade_type' => get_post_meta( $quiz->get_id(), '_lp_passing_grade_type', true ), | |
| 43 | - 'passing_grade' => get_post_meta( $quiz->get_id(), '_lp_passing_grade', true ), | |
| 44 | - 'instant_check' => get_post_meta( $quiz->get_id(), '_lp_instant_check', true ), | |
| 45 | - 'review_questions' => get_post_meta( $quiz->get_id(), '_lp_review', true ), | |
| 46 | - ) | |
| 47 | - ); | |
| 48 | - | |
| 49 | - $this->_load_questions( $quiz ); | |
| 50 | - // $this->_update_meta_cache( $quiz ); | |
| 51 | - | |
| 52 | - return $quiz; | |
| 53 | - } | |
| 54 | - | |
| 55 | - public function create( &$quiz ) { | |
| 56 | - // TODO: Implement create() method. | |
| 57 | - } | |
| 58 | - | |
| 59 | - public function update( &$quiz ) { | |
| 60 | - // TODO: Implement update() method. | |
| 61 | - } | |
| 62 | - | |
| 63 | - public function delete( &$quiz ) { | |
| 64 | - // TODO: Implement delete() method. | |
| 65 | - } | |
| 66 | - | |
| 67 | - public function duplicate( &$quiz, $args = array() ) { | |
| 68 | - // TODO: Implement duplicate() method. | |
| 69 | - } | |
| 70 | - | |
| 71 | - /** | |
| 72 | - * @param LP_Quiz $quiz | |
| 73 | - */ | |
| 74 | - protected function _load_questions( &$quiz ) { | |
| 75 | - $id = $quiz->get_id(); | |
| 76 | - $questions = LP_Object_Cache::get( 'questions-' . $id, 'learn-press/quizzes' ); | |
| 77 | - if ( false === $questions ) { | |
| 78 | - global $wpdb; | |
| 79 | - $questions = array(); | |
| 80 | - $query = $wpdb->prepare( | |
| 81 | - " | |
| 82 | - SELECT p.*, qq.question_order AS `order` | |
| 83 | - FROM {$wpdb->posts} p | |
| 84 | - INNER JOIN {$wpdb->prefix}learnpress_quiz_questions qq ON p.ID = qq.question_id | |
| 85 | - WHERE qq.quiz_id = %d | |
| 86 | - AND p.post_status = %s | |
| 87 | - ORDER BY question_order ASC | |
| 88 | - ", | |
| 89 | - $id, | |
| 90 | - 'publish' | |
| 91 | - ); | |
| 92 | - | |
| 93 | - $results = $wpdb->get_results( $query, OBJECT_K ); | |
| 94 | - | |
| 95 | - if ( $results ) { | |
| 96 | - foreach ( $results as $k => $v ) { | |
| 97 | - wp_cache_set( $v->ID, $v, 'posts' ); | |
| 98 | - $questions[ $v->ID ] = $v->ID; | |
| 99 | - } | |
| 100 | - } | |
| 101 | - LP_Object_Cache::set( 'questions-' . $id, $questions, 'learn-press/quizzes' ); | |
| 102 | - | |
| 103 | - $this->_load_question_answers( $quiz ); | |
| 104 | - } | |
| 105 | - unset( $questions ); | |
| 106 | - } | |
| 107 | - | |
| 108 | - /** | |
| 109 | - * @param LP_Quiz $quiz | |
| 110 | - * | |
| 111 | - * @deprecated 4.1.6.4 | |
| 112 | - */ | |
| 113 | - protected function _update_meta_cache( &$quiz ) { | |
| 114 | - _deprecated_function( __FUNCTION__, '4.1.6.4' ); | |
| 115 | - $meta_ids = LP_Object_Cache::get( 'questions-' . $quiz->get_id(), 'learn-press/quizzes' ); | |
| 116 | - | |
| 117 | - if ( false === $meta_ids ) { | |
| 118 | - $meta_ids = array( $quiz->get_id() ); | |
| 119 | - } else { | |
| 120 | - $meta_ids[] = $quiz->get_id(); | |
| 121 | - } | |
| 122 | - | |
| 123 | - // LP_Helper_CURD::update_meta_cache( $meta_ids ); | |
| 124 | - } | |
| 125 | - | |
| 126 | - /** | |
| 127 | - * Load answer quiz's questions. | |
| 128 | - */ | |
| 129 | - protected function _load_question_answers( &$quiz ) { | |
| 130 | - global $wpdb; | |
| 131 | - | |
| 132 | - $questions = $this->get_questions( $quiz ); | |
| 133 | - | |
| 134 | - if ( ! $questions ) { | |
| 135 | - return; | |
| 136 | - } | |
| 137 | - | |
| 138 | - $format = array_fill( 0, sizeof( $questions ), '%d' ); | |
| 139 | - $query = $wpdb->prepare( | |
| 140 | - " | |
| 141 | - SELECT * | |
| 142 | - FROM {$wpdb->prefix}learnpress_question_answers | |
| 143 | - WHERE question_id IN(" . join( ',', $format ) . ') | |
| 144 | - ORDER BY question_id, `order` ASC | |
| 145 | - ', | |
| 146 | - $questions | |
| 147 | - ); | |
| 148 | - | |
| 149 | - $results = $wpdb->get_results( $query, OBJECT_K ); | |
| 150 | - | |
| 151 | - if ( $results ) { | |
| 152 | - $answer_options = array(); | |
| 153 | - $meta_ids = array(); | |
| 154 | - $group = 0; | |
| 155 | - foreach ( $results as $k => $v ) { | |
| 156 | - if ( empty( $answer_options[ $v->question_id ] ) ) { | |
| 157 | - $answer_options[ $v->question_id ] = array(); | |
| 158 | - } | |
| 159 | - $v = (array) $v; | |
| 160 | - | |
| 161 | - $answer_options[ $v['question_id'] ][] = $v; | |
| 162 | - } | |
| 163 | - | |
| 164 | - foreach ( $answer_options as $question_id => $options ) { | |
| 165 | - LP_Object_Cache::set( 'answer-options-' . $question_id, $options, 'learn-press/questions' ); | |
| 166 | - } | |
| 167 | - | |
| 168 | - foreach ( $meta_ids as $meta_id ) { | |
| 169 | - // $this->_load_question_answer_meta( $meta_id ); | |
| 170 | - } | |
| 171 | - | |
| 172 | - $fetched = array_keys( $answer_options ); | |
| 173 | - $un_fetched = array_diff( $questions, $fetched ); | |
| 174 | - // $this->_load_question_answer_meta( $answer_options ); | |
| 175 | - } else { | |
| 176 | - $un_fetched = $questions; | |
| 177 | - } | |
| 178 | - | |
| 179 | - if ( $un_fetched ) { | |
| 180 | - foreach ( $un_fetched as $question_id ) { | |
| 181 | - LP_Object_Cache::set( 'answer-options-' . $question_id, array(), 'learn-press/questions' ); | |
| 182 | - } | |
| 183 | - } | |
| 184 | - | |
| 185 | - } | |
| 186 | - | |
| 187 | - protected function _load_question_answer_meta( $meta_ids ) { | |
| 188 | - global $wpdb; | |
| 189 | - | |
| 190 | - $format = array_fill( 0, sizeof( $meta_ids ), '%d' ); | |
| 191 | - $query = $wpdb->prepare( | |
| 192 | - " | |
| 193 | - SELECT * | |
| 194 | - FROM {$wpdb->learnpress_question_answermeta} | |
| 195 | - WHERE learnpress_question_answer_id IN(" . join( ',', $format ) . ') | |
| 196 | - ', | |
| 197 | - $meta_ids | |
| 198 | - ); | |
| 199 | - | |
| 200 | - $metas = $wpdb->get_results( $query ); | |
| 201 | - | |
| 202 | - if ( $metas ) { | |
| 203 | - foreach ( $metas as $meta ) { | |
| 204 | - $key = $meta->meta_key; | |
| 205 | - $option_key = $meta->learnpress_question_answer_id; | |
| 206 | - | |
| 207 | - if ( ! empty( $answer_options[ $option_key ] ) ) { | |
| 208 | - if ( $key == 'checked' ) { | |
| 209 | - $key = 'is_true'; | |
| 210 | - } | |
| 211 | - | |
| 212 | - $answer_options[ $option_key ][ $key ] = $meta->meta_value; | |
| 213 | - } | |
| 214 | - } | |
| 215 | - } | |
| 216 | - } | |
| 217 | - | |
| 218 | - /** | |
| 219 | - * Sort questions by order. | |
| 220 | - * Check in an array of questions if there is a key 'order'. | |
| 221 | - * | |
| 222 | - * @param $questions | |
| 223 | - * | |
| 224 | - * @return mixed | |
| 225 | - */ | |
| 226 | - protected function _maybe_sort_questions( &$questions ) { | |
| 227 | - if ( ! $questions ) { | |
| 228 | - return $questions; | |
| 229 | - } | |
| 230 | - | |
| 231 | - $first = reset( $questions ); | |
| 232 | - | |
| 233 | - if ( empty( $first['order'] ) ) { | |
| 234 | - return $questions; | |
| 235 | - } | |
| 236 | - | |
| 237 | - uasort( $questions, array( $this, '_callback_sort_questions' ) ); | |
| 238 | - | |
| 239 | - return $questions; | |
| 240 | - } | |
| 241 | - | |
| 242 | - public function _callback_sort_questions( $a, $b ) { | |
| 243 | - return $a['order'] > $b['order']; | |
| 244 | - } | |
| 245 | - | |
| 246 | - /** | |
| 247 | - * Reorder question by indexed number. | |
| 248 | - * | |
| 249 | - * @param LP_Quiz|WP_Post|int $the_quiz | |
| 250 | - * @param mixed $questions | |
| 251 | - * | |
| 252 | - * @return mixed | |
| 253 | - */ | |
| 254 | - public function reorder_questions( $the_quiz, $questions = false ) { | |
| 255 | - global $wpdb; | |
| 256 | - | |
| 257 | - $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 258 | - | |
| 259 | - if ( ! $the_quiz ) { | |
| 260 | - return false; | |
| 261 | - } | |
| 262 | - | |
| 263 | - if ( false == $questions ) { | |
| 264 | - $query = $wpdb->prepare( | |
| 265 | - " | |
| 266 | - SELECT quiz_question_id as id | |
| 267 | - FROM {$wpdb->prefix}learnpress_quiz_questions | |
| 268 | - WHERE quiz_id = %d | |
| 269 | - ORDER BY question_order ASC | |
| 270 | - ", | |
| 271 | - $the_quiz->get_id() | |
| 272 | - ); | |
| 273 | - | |
| 274 | - $rows = $wpdb->get_results( $query ); | |
| 275 | - | |
| 276 | - if ( $rows ) { | |
| 277 | - $update = array(); | |
| 278 | - $ids = wp_list_pluck( $rows, 'id' ); | |
| 279 | - $format = array_fill( 0, sizeof( $ids ), '%d' ); | |
| 280 | - | |
| 281 | - foreach ( $rows as $order => $row ) { | |
| 282 | - $update[] = $wpdb->prepare( 'WHEN quiz_question_id = %d THEN %d', $row->id, $order + 1 ); | |
| 283 | - } | |
| 284 | - | |
| 285 | - $query = $wpdb->prepare( | |
| 286 | - " | |
| 287 | - UPDATE {$wpdb->prefix}learnpress_quiz_questions | |
| 288 | - SET question_order = CASE | |
| 289 | - " . join( "\n", $update ) . ' | |
| 290 | - ELSE question_order END | |
| 291 | - WHERE quiz_question_id IN(' . join( ',', $format ) . ') | |
| 292 | - ', | |
| 293 | - $ids | |
| 294 | - ); | |
| 295 | - | |
| 296 | - return $wpdb->query( $query ); | |
| 297 | - } | |
| 298 | - } else { | |
| 299 | - $query = " | |
| 300 | - UPDATE {$wpdb->learnpress_quiz_questions} | |
| 301 | - SET question_order = CASE | |
| 302 | - "; | |
| 303 | - | |
| 304 | - for ( $order = 0, $n = sizeof( $questions ); $order < $n; $order ++ ) { | |
| 305 | - $query .= $wpdb->prepare( 'WHEN question_id = %d THEN %d', $questions[ $order ], $order + 1 ) . "\n"; | |
| 306 | - } | |
| 307 | - | |
| 308 | - $query .= sprintf( 'ELSE question_order END WHERE quiz_id = %d', $the_quiz->get_id() ); | |
| 309 | - | |
| 310 | - return $wpdb->query( $query ); | |
| 311 | - } | |
| 312 | - | |
| 313 | - return false; | |
| 314 | - } | |
| 315 | - | |
| 316 | - /** | |
| 317 | - * Get all questions in a quiz | |
| 318 | - * | |
| 319 | - * @param LP_Quiz $the_quiz | |
| 320 | - * | |
| 321 | - * @return array|mixed | |
| 322 | - */ | |
| 323 | - public function get_questions( $the_quiz ) { | |
| 324 | - $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 325 | - | |
| 326 | - if ( ! $the_quiz ) { | |
| 327 | - return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 328 | - } | |
| 329 | - | |
| 330 | - return LP_Object_Cache::get( 'questions-' . $the_quiz->get_id(), 'learn-press/quizzes' ); | |
| 331 | - } | |
| 332 | - | |
| 333 | - /** | |
| 334 | - * Add existing question into quiz. | |
| 335 | - * | |
| 336 | - * @param LP_Quiz|int $the_quiz | |
| 337 | - * @param $question_id | |
| 338 | - * @param array $args | |
| 339 | - * | |
| 340 | - * @return mixed false on failed | |
| 341 | - */ | |
| 342 | - public function add_question( $the_quiz, $question_id, $args = array() ) { | |
| 343 | - $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 344 | - | |
| 345 | - if ( ! $the_quiz ) { | |
| 346 | - return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 347 | - } | |
| 348 | - | |
| 349 | - $question = learn_press_get_question( $question_id ); | |
| 350 | - | |
| 351 | - if ( ! $question ) { | |
| 352 | - return false; | |
| 353 | - } | |
| 354 | - | |
| 355 | - if ( $this->is_exists_question( $question_id ) ) { | |
| 356 | - return false; | |
| 357 | - } | |
| 358 | - | |
| 359 | - global $wpdb; | |
| 360 | - | |
| 361 | - $id = $the_quiz->get_id(); | |
| 362 | - $args = wp_parse_args( $args, array( 'order' => - 1 ) ); | |
| 363 | - $this->reorder_questions( $the_quiz ); | |
| 364 | - | |
| 365 | - if ( $args['order'] >= 0 ) { | |
| 366 | - $query = $wpdb->prepare( | |
| 367 | - " | |
| 368 | - UPDATE {$wpdb->prefix}learnpress_quiz_questions | |
| 369 | - SET question_order = question_order + 1 | |
| 370 | - WHERE quiz_id = %d AND question_order >= %d | |
| 371 | - ", | |
| 372 | - $id, | |
| 373 | - $args['order'] | |
| 374 | - ); | |
| 375 | - $wpdb->get_results( $query ); | |
| 376 | - } else { | |
| 377 | - $query = $wpdb->prepare( | |
| 378 | - " | |
| 379 | - SELECT max(question_order) + 1 as ordering | |
| 380 | - FROM {$wpdb->prefix}learnpress_quiz_questions | |
| 381 | - WHERE quiz_id = %d | |
| 382 | - ", | |
| 383 | - $id | |
| 384 | - ); | |
| 385 | - | |
| 386 | - $order = $wpdb->get_var( $query ); | |
| 387 | - | |
| 388 | - if ( ! $order ) { | |
| 389 | - $order = 1; | |
| 390 | - } | |
| 391 | - | |
| 392 | - $args['order'] = $order; | |
| 393 | - } | |
| 394 | - $inserted = $wpdb->insert( | |
| 395 | - $wpdb->prefix . 'learnpress_quiz_questions', | |
| 396 | - array( | |
| 397 | - 'quiz_id' => $id, | |
| 398 | - 'question_id' => $question_id, | |
| 399 | - 'question_order' => $args['order'], | |
| 400 | - ), | |
| 401 | - array( '%d', '%d', '%d' ) | |
| 402 | - ); | |
| 403 | - | |
| 404 | - return $inserted ? $wpdb->insert_id : $inserted; | |
| 405 | - } | |
| 406 | - | |
| 407 | - /** | |
| 408 | - * Check if a question (or batch of questions) is already added to quiz. | |
| 409 | - * | |
| 410 | - * @param int $the_id | |
| 411 | - * @param int|array $ids | |
| 412 | - * | |
| 413 | - * @return array|bool|null|object | |
| 414 | - */ | |
| 415 | - public function is_exists_question( $the_id, $ids = array() ) { | |
| 416 | - global $wpdb; | |
| 417 | - | |
| 418 | - settype( $ids, 'array' ); | |
| 419 | - $format = array_fill( 0, sizeof( $ids ), '%d' ); | |
| 420 | - $args = $ids; | |
| 421 | - $args[] = $the_id; | |
| 422 | - $query = $wpdb->prepare( | |
| 423 | - " | |
| 424 | - SELECT quiz_question_id | |
| 425 | - FROM {$wpdb->learnpress_quiz_questions} | |
| 426 | - WHERE question_id IN( " . join( ',', $format ) . ' ) | |
| 427 | - AND quiz_id = %d | |
| 428 | - ', | |
| 429 | - $args | |
| 430 | - ); | |
| 431 | - | |
| 432 | - $results = $wpdb->get_results( $query ); | |
| 433 | - | |
| 434 | - if ( $results ) { | |
| 435 | - return $results; | |
| 436 | - } | |
| 437 | - | |
| 438 | - return false; | |
| 439 | - } | |
| 440 | - | |
| 441 | - public function add_meta( &$object, $meta ) { | |
| 442 | - // TODO: Implement add_meta() method. | |
| 443 | - } | |
| 444 | - | |
| 445 | - public function delete_meta( &$object, $meta ) { | |
| 446 | - // TODO: Implement delete_meta() method. | |
| 447 | - } | |
| 448 | - | |
| 449 | - public function read_meta( &$object ) { | |
| 450 | - // TODO: Implement read_meta() method. | |
| 451 | - } | |
| 452 | - | |
| 453 | - /** | |
| 454 | - * @param $object | |
| 455 | - * @param $meta | |
| 456 | - * | |
| 457 | - * @return mixed | |
| 458 | - */ | |
| 459 | - public function update_meta( &$object, $meta ) { | |
| 460 | - return learn_press_update_user_item_meta( $object->get_user_item_id(), $meta->meta_key, $meta->meta_value ); | |
| 461 | - } | |
| 462 | - | |
| 463 | - /** | |
| 464 | - * Get single user item by values of fields. | |
| 465 | - * | |
| 466 | - * @param string|array $field | |
| 467 | - * @param string $value | |
| 468 | - * | |
| 469 | - * @return mixed | |
| 470 | - * @since 3.1.0 | |
| 471 | - * @deprecated 4.2.5 | |
| 472 | - */ | |
| 473 | - public function get_item_by( $field, $value = '' ) { | |
| 474 | - _deprecated_function( __METHOD__, '4.2.5' ); | |
| 475 | - if ( $rows = $this->get_items_by( $field, $value ) ) { | |
| 476 | - return $rows[0]; | |
| 477 | - } | |
| 478 | - | |
| 479 | - return false; | |
| 480 | - } | |
| 481 | - | |
| 482 | - /** | |
| 483 | - * Get multiple rows of user item by values of fields. | |
| 484 | - * | |
| 485 | - * @param string|array $field | |
| 486 | - * @param string $value | |
| 487 | - * | |
| 488 | - * @return array | |
| 489 | - * @since 3.1.0 | |
| 490 | - * @deprecated 4.2.5 | |
| 491 | - */ | |
| 492 | - public function get_items_by( $field, $value = '' ) { | |
| 493 | - _deprecated_function( __METHOD__, '4.2.5' ); | |
| 494 | - global $wpdb; | |
| 495 | - | |
| 496 | - $where = ''; | |
| 497 | - $order = 'ORDER BY user_item_id DESC'; | |
| 498 | - | |
| 499 | - if ( is_array( $field ) ) { | |
| 500 | - foreach ( $field as $k => $v ) { | |
| 501 | - if ( is_string( $v ) ) { | |
| 502 | - $where .= $wpdb->prepare( " AND {$k} = %s", $v ); | |
| 503 | - } else { | |
| 504 | - $where .= $wpdb->prepare( " AND {$k} = %d", $v ); | |
| 505 | - } | |
| 506 | - } | |
| 507 | - } else { | |
| 508 | - if ( is_string( $value ) ) { | |
| 509 | - $where .= $wpdb->prepare( " AND {$field} = %s", $value ); | |
| 510 | - } else { | |
| 511 | - $where .= $wpdb->prepare( " AND {$field} = %s", $value ); | |
| 512 | - } | |
| 513 | - } | |
| 514 | - | |
| 515 | - $query = "SELECT * FROM {$wpdb->learnpress_user_items} WHERE 1 {$where} {$order}"; | |
| 516 | - | |
| 517 | - return $wpdb->get_results( $query ); | |
| 518 | - } | |
| 519 | - | |
| 520 | - /** | |
| 521 | - * Get WP_Object. | |
| 522 | - * | |
| 523 | - * @param $code | |
| 524 | - * | |
| 525 | - * @return bool|WP_Error | |
| 526 | - */ | |
| 527 | - protected function get_error( $code ) { | |
| 528 | - if ( isset( $this->_error_messages[ $code ] ) ) { | |
| 529 | - return new WP_Error( $code, $this->_error_messages[ $code ] ); | |
| 530 | - } | |
| 531 | - | |
| 532 | - return false; | |
| 533 | - } | |
| 534 | - | |
| 535 | - /** | |
| 536 | - * Parse attribute 'preview' for all items in a course | |
| 537 | - * | |
| 538 | - * @param int $course_id | |
| 539 | - * @param int $user_id | |
| 540 | - * | |
| 541 | - * @return array | |
| 542 | - * @since 3.2.0 | |
| 543 | - * @editor tungnx | |
| 544 | - * @modify 4.1.3 - comment - not use | |
| 545 | - */ | |
| 546 | - /*public function parse_items_preview( $course_id, $user_id = 0 ) { | |
| 547 | - $items = array(); | |
| 548 | - | |
| 549 | - $course = learn_press_get_course( $course_id ); | |
| 550 | - | |
| 551 | - if ( ! $course ) { | |
| 552 | - return $items; | |
| 553 | - } | |
| 554 | - | |
| 555 | - if ( ! $user_id ) { | |
| 556 | - $user_id = get_current_user_id(); | |
| 557 | - } | |
| 558 | - | |
| 559 | - $user = learn_press_get_user( $user_id, false ); | |
| 560 | - $current_item = LP_Global::course_item(); | |
| 561 | - $get_item_ids = $course->get_item_ids(); | |
| 562 | - $enrolled = $user ? $user->has_enrolled_course( $course_id ) : false; | |
| 563 | - | |
| 564 | - if ( $get_item_ids ) { | |
| 565 | - foreach ( $get_item_ids as $item_id ) { | |
| 566 | - $is_preview = get_post_meta( $item_id, '_lp_preview', true ); | |
| 567 | - | |
| 568 | - if ( $enrolled ) { | |
| 569 | - $is_preview = 'no'; | |
| 570 | - } | |
| 571 | - | |
| 572 | - $cached = LP_Object_Cache::get( | |
| 573 | - 'item-' . $user_id . '-' . $course_id . '-' . $item_id, | |
| 574 | - 'learn-press/preview-items' | |
| 575 | - ); | |
| 576 | - | |
| 577 | - if ( false === $cached ) { | |
| 578 | - LP_Object_Cache::set( | |
| 579 | - 'item-' . $user_id . '-' . $course->get_id() . '-' . $item_id, | |
| 580 | - $is_preview, | |
| 581 | - 'learn-press/preview-items' | |
| 582 | - ); | |
| 583 | - } | |
| 584 | - | |
| 585 | - $items[ $item_id ] = $is_preview; | |
| 586 | - } | |
| 587 | - } | |
| 588 | - | |
| 589 | - return $items; | |
| 590 | - }*/ | |
| 591 | - | |
| 592 | - /** | |
| 593 | - * Parse classes for all items in a course. | |
| 594 | - * | |
| 595 | - * @param int $course_id . | |
| 596 | - * @param int $user_id . | |
| 597 | - * @param array|string $more . | |
| 598 | - * | |
| 599 | - * @return array | |
| 600 | - * @throws Exception | |
| 601 | - * @since 3.2.0 | |
| 602 | - * @editor tungnx | |
| 603 | - */ | |
| 604 | - public function parse_items_classes( int $course_id = 0, int $user_id = 0, $more = array() ): array { | |
| 605 | - $items = array(); | |
| 606 | - | |
| 607 | - $course = learn_press_get_course( $course_id ); | |
| 608 | - | |
| 609 | - if ( ! $course ) { | |
| 610 | - return $items; | |
| 611 | - } | |
| 612 | - | |
| 613 | - if ( ! $user_id ) { | |
| 614 | - $user_id = get_current_user_id(); | |
| 615 | - } | |
| 616 | - | |
| 617 | - $get_item_ids = $course->get_item_ids(); | |
| 618 | - | |
| 619 | - if ( empty( $get_item_ids ) ) { | |
| 620 | - return $items; | |
| 621 | - } | |
| 622 | - | |
| 623 | - $user = learn_press_get_user( $user_id ); | |
| 624 | - if ( ! $user ) { | |
| 625 | - return $items; | |
| 626 | - } | |
| 627 | - | |
| 628 | - $current_item = LP_Global::course_item(); | |
| 629 | - $enrolled = $user->has_enrolled_or_finished( $course_id ); | |
| 630 | - $is_free = $course->is_free(); | |
| 631 | - $no_required_enroll = $course->is_no_required_enroll(); | |
| 632 | - $can_view_content_course = $user->can_view_content_course( $course_id ); | |
| 633 | - | |
| 634 | - foreach ( $get_item_ids as $item_id ) { | |
| 635 | - $item = $course->get_item( $item_id ); | |
| 636 | - | |
| 637 | - if ( ! $item instanceof LP_Course_Item ) { | |
| 638 | - continue; | |
| 639 | - } | |
| 640 | - | |
| 641 | - $can_view_item = $user->can_view_item( $item_id, $can_view_content_course ); | |
| 642 | - | |
| 643 | - $defaults = array_merge( | |
| 644 | - array( | |
| 645 | - 'course-item', | |
| 646 | - 'course-item-' . $item->get_item_type(), | |
| 647 | - 'course-item-' . $item_id, | |
| 648 | - ), | |
| 649 | - (array) $more | |
| 650 | - ); | |
| 651 | - | |
| 652 | - $post_format = $item->get_format(); | |
| 653 | - if ( ( 'standard' !== $post_format ) && $post_format ) { | |
| 654 | - $defaults[] = 'course-item-type-' . $post_format; | |
| 655 | - } | |
| 656 | - | |
| 657 | - if ( $current_item && $current_item->get_id() == $item->get_id() ) { | |
| 658 | - $defaults[] = 'current'; | |
| 659 | - } | |
| 660 | - | |
| 661 | - // Edit by tungnx, rewrite class to show icon. | |
| 662 | - if ( $no_required_enroll ) { | |
| 663 | - $defaults[] = 'item-free'; | |
| 664 | - } elseif ( ! $enrolled ) { | |
| 665 | - $defaults['item-locked'] = 'item-locked'; | |
| 666 | - | |
| 667 | - if ( $item->is_preview() ) { | |
| 668 | - $defaults['item-preview'] = 'item-preview'; | |
| 669 | - $defaults['has-status'] = 'has-status'; | |
| 670 | - unset( $defaults['item-locked'] ); | |
| 671 | - } | |
| 672 | - } elseif ( ! $can_view_item->flag ) { | |
| 673 | - $defaults[] = 'item-locked'; | |
| 674 | - } else { | |
| 675 | - $item_status = $user->get_item_status( $item_id, $course_id ); | |
| 676 | - $item_grade = $user->get_item_grade( $item_id, $course_id ); | |
| 677 | - | |
| 678 | - if ( $item_status ) { | |
| 679 | - $defaults[] = 'has-status'; | |
| 680 | - $defaults[] = 'status-' . $item_status; | |
| 681 | - } | |
| 682 | - | |
| 683 | - switch ( $item_status ) { | |
| 684 | - case 'started': | |
| 685 | - break; | |
| 686 | - case 'completed': | |
| 687 | - $defaults[] = $item_grade; | |
| 688 | - break; | |
| 689 | - default: | |
| 690 | - if ( $item->is_preview() ) { | |
| 691 | - $defaults['item-preview'] = 'item-preview'; | |
| 692 | - $defaults['has-status'] = 'has-status'; | |
| 693 | - } | |
| 694 | - | |
| 695 | - $item_class = apply_filters( | |
| 696 | - 'learn-press/course-item-status-class', | |
| 697 | - $item_status, | |
| 698 | - $item_grade, | |
| 699 | - $item->get_item_type(), | |
| 700 | - $item_id, | |
| 701 | - $course_id | |
| 702 | - ); | |
| 703 | - | |
| 704 | - if ( $item_class ) { | |
| 705 | - $defaults[] = $item_class; | |
| 706 | - } | |
| 707 | - } | |
| 708 | - } | |
| 709 | - // End. | |
| 710 | - | |
| 711 | - $classes = apply_filters( | |
| 712 | - 'learn-press/course-item-class', | |
| 713 | - $defaults, | |
| 714 | - $item->get_item_type(), | |
| 715 | - $item_id, | |
| 716 | - $course_id | |
| 717 | - ); | |
| 718 | - | |
| 719 | - // Filter unwanted values. | |
| 720 | - $classes = is_array( $classes ) ? $classes : explode( ' ', $classes ); | |
| 721 | - $classes = array_filter( $classes ); | |
| 722 | - $classes = array_unique( $classes ); | |
| 723 | - | |
| 724 | - LP_Object_Cache::set( 'item-' . $user_id . '-' . $item_id, $classes, 'learn-press/post-classes' ); | |
| 725 | - $items[ $item_id ] = $classes; | |
| 726 | - } | |
| 727 | - | |
| 728 | - return $items; | |
| 729 | - } | |
| 730 | -} | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +/** | |
| 4 | + * Class LP_User_Item_CURD | |
| 5 | + * | |
| 6 | + * Class to manipulating user item with database. | |
| 7 | + */ | |
| 8 | +class LP_User_Item_CURD implements LP_Interface_CURD { | |
| 9 | + /** | |
| 10 | + * Errors codes and message. | |
| 11 | + * | |
| 12 | + * @var array|bool | |
| 13 | + */ | |
| 14 | + protected $_error_messages = false; | |
| 15 | + | |
| 16 | + /** | |
| 17 | + * LP_User_Item_CURD constructor. | |
| 18 | + */ | |
| 19 | + public function __construct() { | |
| 20 | + $this->_error_messages = array( | |
| 21 | + 'QUIZ_NOT_EXISTS' => __( 'The quiz does not exist.', 'learnpress' ), | |
| 22 | + ); | |
| 23 | + } | |
| 24 | + | |
| 25 | + /** | |
| 26 | + * @param LP_Quiz $quiz | |
| 27 | + * | |
| 28 | + * @return LP_Quiz|mixed | |
| 29 | + * @throws Exception | |
| 30 | + */ | |
| 31 | + public function load( &$quiz ) { | |
| 32 | + $the_id = $quiz->get_id(); | |
| 33 | + | |
| 34 | + if ( ! $the_id || LP_QUIZ_CPT !== learn_press_get_post_type( $the_id ) ) { | |
| 35 | + throw new Exception( __( 'Invalid quiz.', 'learnpress' ) ); | |
| 36 | + } | |
| 37 | + | |
| 38 | + $quiz->set_retake_count( get_post_meta( $quiz->get_id(), '_lp_retake_count', true ) ); | |
| 39 | + $quiz->set_passing_grade_type( get_post_meta( $quiz->get_id(), '_lp_passing_grade_type', true ) ); | |
| 40 | + $quiz->set_passing_grade( get_post_meta( $quiz->get_id(), '_lp_passing_grade', true ) ); | |
| 41 | + $quiz->set_instant_check( get_post_meta( $quiz->get_id(), '_lp_instant_check', true ) ); | |
| 42 | + $quiz->set_review_questions( get_post_meta( $quiz->get_id(), '_lp_review', true ) ); | |
| 43 | + | |
| 44 | + $this->_load_questions( $quiz ); | |
| 45 | + // $this->_update_meta_cache( $quiz ); | |
| 46 | + | |
| 47 | + return $quiz; | |
| 48 | + } | |
| 49 | + | |
| 50 | + public function create( &$quiz ) { | |
| 51 | + // TODO: Implement create() method. | |
| 52 | + } | |
| 53 | + | |
| 54 | + public function update( &$quiz ) { | |
| 55 | + // TODO: Implement update() method. | |
| 56 | + } | |
| 57 | + | |
| 58 | + public function delete( &$quiz ) { | |
| 59 | + // TODO: Implement delete() method. | |
| 60 | + } | |
| 61 | + | |
| 62 | + public function duplicate( &$quiz, $args = array() ) { | |
| 63 | + // TODO: Implement duplicate() method. | |
| 64 | + } | |
| 65 | + | |
| 66 | + /** | |
| 67 | + * @param LP_Quiz $quiz | |
| 68 | + */ | |
| 69 | + protected function _load_questions( &$quiz ) { | |
| 70 | + $id = $quiz->get_id(); | |
| 71 | + $questions = LP_Object_Cache::get( 'questions-' . $id, 'learn-press/quizzes' ); | |
| 72 | + if ( false === $questions ) { | |
| 73 | + global $wpdb; | |
| 74 | + $questions = array(); | |
| 75 | + $query = $wpdb->prepare( | |
| 76 | + " | |
| 77 | + SELECT p.*, qq.question_order AS `order` | |
| 78 | + FROM {$wpdb->posts} p | |
| 79 | + INNER JOIN {$wpdb->prefix}learnpress_quiz_questions qq ON p.ID = qq.question_id | |
| 80 | + WHERE qq.quiz_id = %d | |
| 81 | + AND p.post_status = %s | |
| 82 | + ORDER BY question_order ASC | |
| 83 | + ", | |
| 84 | + $id, | |
| 85 | + 'publish' | |
| 86 | + ); | |
| 87 | + | |
| 88 | + $results = $wpdb->get_results( $query, OBJECT_K ); | |
| 89 | + | |
| 90 | + if ( $results ) { | |
| 91 | + foreach ( $results as $k => $v ) { | |
| 92 | + wp_cache_set( $v->ID, $v, 'posts' ); | |
| 93 | + $questions[ $v->ID ] = $v->ID; | |
| 94 | + } | |
| 95 | + } | |
| 96 | + LP_Object_Cache::set( 'questions-' . $id, $questions, 'learn-press/quizzes' ); | |
| 97 | + | |
| 98 | + $this->_load_question_answers( $quiz ); | |
| 99 | + } | |
| 100 | + unset( $questions ); | |
| 101 | + } | |
| 102 | + | |
| 103 | + /** | |
| 104 | + * @param LP_Quiz $quiz | |
| 105 | + * | |
| 106 | + * @deprecated 4.1.6.4 | |
| 107 | + */ | |
| 108 | + protected function _update_meta_cache( &$quiz ) { | |
| 109 | + _deprecated_function( __FUNCTION__, '4.1.6.4' ); | |
| 110 | + $meta_ids = LP_Object_Cache::get( 'questions-' . $quiz->get_id(), 'learn-press/quizzes' ); | |
| 111 | + | |
| 112 | + if ( false === $meta_ids ) { | |
| 113 | + $meta_ids = array( $quiz->get_id() ); | |
| 114 | + } else { | |
| 115 | + $meta_ids[] = $quiz->get_id(); | |
| 116 | + } | |
| 117 | + | |
| 118 | + // LP_Helper_CURD::update_meta_cache( $meta_ids ); | |
| 119 | + } | |
| 120 | + | |
| 121 | + /** | |
| 122 | + * Load answer quiz's questions. | |
| 123 | + */ | |
| 124 | + protected function _load_question_answers( &$quiz ) { | |
| 125 | + global $wpdb; | |
| 126 | + | |
| 127 | + $questions = $this->get_questions( $quiz ); | |
| 128 | + | |
| 129 | + if ( ! $questions ) { | |
| 130 | + return; | |
| 131 | + } | |
| 132 | + | |
| 133 | + $format = array_fill( 0, sizeof( $questions ), '%d' ); | |
| 134 | + $query = $wpdb->prepare( | |
| 135 | + " | |
| 136 | + SELECT * | |
| 137 | + FROM {$wpdb->prefix}learnpress_question_answers | |
| 138 | + WHERE question_id IN(" . join( ',', $format ) . ') | |
| 139 | + ORDER BY question_id, `order` ASC | |
| 140 | + ', | |
| 141 | + $questions | |
| 142 | + ); | |
| 143 | + | |
| 144 | + $results = $wpdb->get_results( $query, OBJECT_K ); | |
| 145 | + | |
| 146 | + if ( $results ) { | |
| 147 | + $answer_options = array(); | |
| 148 | + $meta_ids = array(); | |
| 149 | + $group = 0; | |
| 150 | + foreach ( $results as $k => $v ) { | |
| 151 | + if ( empty( $answer_options[ $v->question_id ] ) ) { | |
| 152 | + $answer_options[ $v->question_id ] = array(); | |
| 153 | + } | |
| 154 | + $v = (array) $v; | |
| 155 | + | |
| 156 | + $answer_options[ $v['question_id'] ][] = $v; | |
| 157 | + } | |
| 158 | + | |
| 159 | + foreach ( $answer_options as $question_id => $options ) { | |
| 160 | + LP_Object_Cache::set( 'answer-options-' . $question_id, $options, 'learn-press/questions' ); | |
| 161 | + } | |
| 162 | + | |
| 163 | + foreach ( $meta_ids as $meta_id ) { | |
| 164 | + // $this->_load_question_answer_meta( $meta_id ); | |
| 165 | + } | |
| 166 | + | |
| 167 | + $fetched = array_keys( $answer_options ); | |
| 168 | + $un_fetched = array_diff( $questions, $fetched ); | |
| 169 | + // $this->_load_question_answer_meta( $answer_options ); | |
| 170 | + } else { | |
| 171 | + $un_fetched = $questions; | |
| 172 | + } | |
| 173 | + | |
| 174 | + if ( $un_fetched ) { | |
| 175 | + foreach ( $un_fetched as $question_id ) { | |
| 176 | + LP_Object_Cache::set( 'answer-options-' . $question_id, array(), 'learn-press/questions' ); | |
| 177 | + } | |
| 178 | + } | |
| 179 | + | |
| 180 | + } | |
| 181 | + | |
| 182 | + protected function _load_question_answer_meta( $meta_ids ) { | |
| 183 | + global $wpdb; | |
| 184 | + | |
| 185 | + $format = array_fill( 0, sizeof( $meta_ids ), '%d' ); | |
| 186 | + $query = $wpdb->prepare( | |
| 187 | + " | |
| 188 | + SELECT * | |
| 189 | + FROM {$wpdb->learnpress_question_answermeta} | |
| 190 | + WHERE learnpress_question_answer_id IN(" . join( ',', $format ) . ') | |
| 191 | + ', | |
| 192 | + $meta_ids | |
| 193 | + ); | |
| 194 | + | |
| 195 | + $metas = $wpdb->get_results( $query ); | |
| 196 | + | |
| 197 | + if ( $metas ) { | |
| 198 | + foreach ( $metas as $meta ) { | |
| 199 | + $key = $meta->meta_key; | |
| 200 | + $option_key = $meta->learnpress_question_answer_id; | |
| 201 | + | |
| 202 | + if ( ! empty( $answer_options[ $option_key ] ) ) { | |
| 203 | + if ( $key == 'checked' ) { | |
| 204 | + $key = 'is_true'; | |
| 205 | + } | |
| 206 | + | |
| 207 | + $answer_options[ $option_key ][ $key ] = $meta->meta_value; | |
| 208 | + } | |
| 209 | + } | |
| 210 | + } | |
| 211 | + } | |
| 212 | + | |
| 213 | + /** | |
| 214 | + * Sort questions by order. | |
| 215 | + * Check in an array of questions if there is a key 'order'. | |
| 216 | + * | |
| 217 | + * @param $questions | |
| 218 | + * | |
| 219 | + * @return mixed | |
| 220 | + */ | |
| 221 | + protected function _maybe_sort_questions( &$questions ) { | |
| 222 | + if ( ! $questions ) { | |
| 223 | + return $questions; | |
| 224 | + } | |
| 225 | + | |
| 226 | + $first = reset( $questions ); | |
| 227 | + | |
| 228 | + if ( empty( $first['order'] ) ) { | |
| 229 | + return $questions; | |
| 230 | + } | |
| 231 | + | |
| 232 | + uasort( $questions, array( $this, '_callback_sort_questions' ) ); | |
| 233 | + | |
| 234 | + return $questions; | |
| 235 | + } | |
| 236 | + | |
| 237 | + public function _callback_sort_questions( $a, $b ) { | |
| 238 | + return $a['order'] > $b['order']; | |
| 239 | + } | |
| 240 | + | |
| 241 | + /** | |
| 242 | + * Reorder question by indexed number. | |
| 243 | + * | |
| 244 | + * @param LP_Quiz|WP_Post|int $the_quiz | |
| 245 | + * @param mixed $questions | |
| 246 | + * | |
| 247 | + * @return mixed | |
| 248 | + */ | |
| 249 | + public function reorder_questions( $the_quiz, $questions = false ) { | |
| 250 | + global $wpdb; | |
| 251 | + | |
| 252 | + $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 253 | + | |
| 254 | + if ( ! $the_quiz ) { | |
| 255 | + return false; | |
| 256 | + } | |
| 257 | + | |
| 258 | + if ( false == $questions ) { | |
| 259 | + $query = $wpdb->prepare( | |
| 260 | + " | |
| 261 | + SELECT quiz_question_id as id | |
| 262 | + FROM {$wpdb->prefix}learnpress_quiz_questions | |
| 263 | + WHERE quiz_id = %d | |
| 264 | + ORDER BY question_order ASC | |
| 265 | + ", | |
| 266 | + $the_quiz->get_id() | |
| 267 | + ); | |
| 268 | + | |
| 269 | + $rows = $wpdb->get_results( $query ); | |
| 270 | + | |
| 271 | + if ( $rows ) { | |
| 272 | + $update = array(); | |
| 273 | + $ids = wp_list_pluck( $rows, 'id' ); | |
| 274 | + $format = array_fill( 0, sizeof( $ids ), '%d' ); | |
| 275 | + | |
| 276 | + foreach ( $rows as $order => $row ) { | |
| 277 | + $update[] = $wpdb->prepare( 'WHEN quiz_question_id = %d THEN %d', $row->id, $order + 1 ); | |
| 278 | + } | |
| 279 | + | |
| 280 | + $query = $wpdb->prepare( | |
| 281 | + " | |
| 282 | + UPDATE {$wpdb->prefix}learnpress_quiz_questions | |
| 283 | + SET question_order = CASE | |
| 284 | + " . join( "\n", $update ) . ' | |
| 285 | + ELSE question_order END | |
| 286 | + WHERE quiz_question_id IN(' . join( ',', $format ) . ') | |
| 287 | + ', | |
| 288 | + $ids | |
| 289 | + ); | |
| 290 | + | |
| 291 | + return $wpdb->query( $query ); | |
| 292 | + } | |
| 293 | + } else { | |
| 294 | + $query = " | |
| 295 | + UPDATE {$wpdb->learnpress_quiz_questions} | |
| 296 | + SET question_order = CASE | |
| 297 | + "; | |
| 298 | + | |
| 299 | + for ( $order = 0, $n = sizeof( $questions ); $order < $n; $order ++ ) { | |
| 300 | + $query .= $wpdb->prepare( 'WHEN question_id = %d THEN %d', $questions[ $order ], $order + 1 ) . "\n"; | |
| 301 | + } | |
| 302 | + | |
| 303 | + $query .= sprintf( 'ELSE question_order END WHERE quiz_id = %d', $the_quiz->get_id() ); | |
| 304 | + | |
| 305 | + return $wpdb->query( $query ); | |
| 306 | + } | |
| 307 | + | |
| 308 | + return false; | |
| 309 | + } | |
| 310 | + | |
| 311 | + /** | |
| 312 | + * Get all questions in a quiz | |
| 313 | + * | |
| 314 | + * @param LP_Quiz $the_quiz | |
| 315 | + * | |
| 316 | + * @return array|mixed | |
| 317 | + */ | |
| 318 | + public function get_questions( $the_quiz ) { | |
| 319 | + $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 320 | + | |
| 321 | + if ( ! $the_quiz ) { | |
| 322 | + return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 323 | + } | |
| 324 | + | |
| 325 | + return LP_Object_Cache::get( 'questions-' . $the_quiz->get_id(), 'learn-press/quizzes' ); | |
| 326 | + } | |
| 327 | + | |
| 328 | + /** | |
| 329 | + * Add existing question into quiz. | |
| 330 | + * | |
| 331 | + * @param LP_Quiz|int $the_quiz | |
| 332 | + * @param $question_id | |
| 333 | + * @param array $args | |
| 334 | + * | |
| 335 | + * @return mixed false on failed | |
| 336 | + */ | |
| 337 | + public function add_question( $the_quiz, $question_id, $args = array() ) { | |
| 338 | + $the_quiz = learn_press_get_quiz( $the_quiz ); | |
| 339 | + | |
| 340 | + if ( ! $the_quiz ) { | |
| 341 | + return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 342 | + } | |
| 343 | + | |
| 344 | + $question = learn_press_get_question( $question_id ); | |
| 345 | + | |
| 346 | + if ( ! $question ) { | |
| 347 | + return false; | |
| 348 | + } | |
| 349 | + | |
| 350 | + if ( $this->is_exists_question( $question_id ) ) { | |
| 351 | + return false; | |
| 352 | + } | |
| 353 | + | |
| 354 | + global $wpdb; | |
| 355 | + | |
| 356 | + $id = $the_quiz->get_id(); | |
| 357 | + $args = wp_parse_args( $args, array( 'order' => - 1 ) ); | |
| 358 | + $this->reorder_questions( $the_quiz ); | |
| 359 | + | |
| 360 | + if ( $args['order'] >= 0 ) { | |
| 361 | + $query = $wpdb->prepare( | |
| 362 | + " | |
| 363 | + UPDATE {$wpdb->prefix}learnpress_quiz_questions | |
| 364 | + SET question_order = question_order + 1 | |
| 365 | + WHERE quiz_id = %d AND question_order >= %d | |
| 366 | + ", | |
| 367 | + $id, | |
| 368 | + $args['order'] | |
| 369 | + ); | |
| 370 | + $wpdb->get_results( $query ); | |
| 371 | + } else { | |
| 372 | + $query = $wpdb->prepare( | |
| 373 | + " | |
| 374 | + SELECT max(question_order) + 1 as ordering | |
| 375 | + FROM {$wpdb->prefix}learnpress_quiz_questions | |
| 376 | + WHERE quiz_id = %d | |
| 377 | + ", | |
| 378 | + $id | |
| 379 | + ); | |
| 380 | + | |
| 381 | + $order = $wpdb->get_var( $query ); | |
| 382 | + | |
| 383 | + if ( ! $order ) { | |
| 384 | + $order = 1; | |
| 385 | + } | |
| 386 | + | |
| 387 | + $args['order'] = $order; | |
| 388 | + } | |
| 389 | + $inserted = $wpdb->insert( | |
| 390 | + $wpdb->prefix . 'learnpress_quiz_questions', | |
| 391 | + array( | |
| 392 | + 'quiz_id' => $id, | |
| 393 | + 'question_id' => $question_id, | |
| 394 | + 'question_order' => $args['order'], | |
| 395 | + ), | |
| 396 | + array( '%d', '%d', '%d' ) | |
| 397 | + ); | |
| 398 | + | |
| 399 | + return $inserted ? $wpdb->insert_id : $inserted; | |
| 400 | + } | |
| 401 | + | |
| 402 | + /** | |
| 403 | + * Check if a question (or batch of questions) is already added to quiz. | |
| 404 | + * | |
| 405 | + * @param int $the_id | |
| 406 | + * @param int|array $ids | |
| 407 | + * | |
| 408 | + * @return array|bool|null|object | |
| 409 | + */ | |
| 410 | + public function is_exists_question( $the_id, $ids = array() ) { | |
| 411 | + global $wpdb; | |
| 412 | + | |
| 413 | + settype( $ids, 'array' ); | |
| 414 | + $format = array_fill( 0, sizeof( $ids ), '%d' ); | |
| 415 | + $args = $ids; | |
| 416 | + $args[] = $the_id; | |
| 417 | + $query = $wpdb->prepare( | |
| 418 | + " | |
| 419 | + SELECT quiz_question_id | |
| 420 | + FROM {$wpdb->learnpress_quiz_questions} | |
| 421 | + WHERE question_id IN( " . join( ',', $format ) . ' ) | |
| 422 | + AND quiz_id = %d | |
| 423 | + ', | |
| 424 | + $args | |
| 425 | + ); | |
| 426 | + | |
| 427 | + $results = $wpdb->get_results( $query ); | |
| 428 | + | |
| 429 | + if ( $results ) { | |
| 430 | + return $results; | |
| 431 | + } | |
| 432 | + | |
| 433 | + return false; | |
| 434 | + } | |
| 435 | + | |
| 436 | + public function add_meta( &$object, $meta ) { | |
| 437 | + // TODO: Implement add_meta() method. | |
| 438 | + } | |
| 439 | + | |
| 440 | + public function delete_meta( &$object, $meta ) { | |
| 441 | + // TODO: Implement delete_meta() method. | |
| 442 | + } | |
| 443 | + | |
| 444 | + public function read_meta( &$object ) { | |
| 445 | + // TODO: Implement read_meta() method. | |
| 446 | + } | |
| 447 | + | |
| 448 | + /** | |
| 449 | + * @param $object | |
| 450 | + * @param $meta | |
| 451 | + * | |
| 452 | + * @return mixed | |
| 453 | + */ | |
| 454 | + public function update_meta( &$object, $meta ) { | |
| 455 | + return learn_press_update_user_item_meta( $object->get_user_item_id(), $meta->meta_key, $meta->meta_value ); | |
| 456 | + } | |
| 457 | + | |
| 458 | + /** | |
| 459 | + * Get single user item by values of fields. | |
| 460 | + * | |
| 461 | + * @param string|array $field | |
| 462 | + * @param string $value | |
| 463 | + * | |
| 464 | + * @return mixed | |
| 465 | + * @since 3.1.0 | |
| 466 | + * @deprecated 4.2.5 | |
| 467 | + */ | |
| 468 | + public function get_item_by( $field, $value = '' ) { | |
| 469 | + _deprecated_function( __METHOD__, '4.2.5' ); | |
| 470 | + if ( $rows = $this->get_items_by( $field, $value ) ) { | |
| 471 | + return $rows[0]; | |
| 472 | + } | |
| 473 | + | |
| 474 | + return false; | |
| 475 | + } | |
| 476 | + | |
| 477 | + /** | |
| 478 | + * Get multiple rows of user item by values of fields. | |
| 479 | + * | |
| 480 | + * @param string|array $field | |
| 481 | + * @param string $value | |
| 482 | + * | |
| 483 | + * @return array | |
| 484 | + * @since 3.1.0 | |
| 485 | + * @deprecated 4.2.5 | |
| 486 | + */ | |
| 487 | + public function get_items_by( $field, $value = '' ) { | |
| 488 | + _deprecated_function( __METHOD__, '4.2.5' ); | |
| 489 | + global $wpdb; | |
| 490 | + | |
| 491 | + $where = ''; | |
| 492 | + $order = 'ORDER BY user_item_id DESC'; | |
| 493 | + | |
| 494 | + if ( is_array( $field ) ) { | |
| 495 | + foreach ( $field as $k => $v ) { | |
| 496 | + if ( is_string( $v ) ) { | |
| 497 | + $where .= $wpdb->prepare( " AND {$k} = %s", $v ); | |
| 498 | + } else { | |
| 499 | + $where .= $wpdb->prepare( " AND {$k} = %d", $v ); | |
| 500 | + } | |
| 501 | + } | |
| 502 | + } else { | |
| 503 | + if ( is_string( $value ) ) { | |
| 504 | + $where .= $wpdb->prepare( " AND {$field} = %s", $value ); | |
| 505 | + } else { | |
| 506 | + $where .= $wpdb->prepare( " AND {$field} = %s", $value ); | |
| 507 | + } | |
| 508 | + } | |
| 509 | + | |
| 510 | + $query = "SELECT * FROM {$wpdb->learnpress_user_items} WHERE 1 {$where} {$order}"; | |
| 511 | + | |
| 512 | + return $wpdb->get_results( $query ); | |
| 513 | + } | |
| 514 | + | |
| 515 | + /** | |
| 516 | + * Get WP_Object. | |
| 517 | + * | |
| 518 | + * @param $code | |
| 519 | + * | |
| 520 | + * @return bool|WP_Error | |
| 521 | + */ | |
| 522 | + protected function get_error( $code ) { | |
| 523 | + if ( isset( $this->_error_messages[ $code ] ) ) { | |
| 524 | + return new WP_Error( $code, $this->_error_messages[ $code ] ); | |
| 525 | + } | |
| 526 | + | |
| 527 | + return false; | |
| 528 | + } | |
| 529 | + | |
| 530 | + /** | |
| 531 | + * Parse attribute 'preview' for all items in a course | |
| 532 | + * | |
| 533 | + * @param int $course_id | |
| 534 | + * @param int $user_id | |
| 535 | + * | |
| 536 | + * @return array | |
| 537 | + * @since 3.2.0 | |
| 538 | + * @editor tungnx | |
| 539 | + * @modify 4.1.3 - comment - not use | |
| 540 | + */ | |
| 541 | + /*public function parse_items_preview( $course_id, $user_id = 0 ) { | |
| 542 | + $items = array(); | |
| 543 | + | |
| 544 | + $course = learn_press_get_course( $course_id ); | |
| 545 | + | |
| 546 | + if ( ! $course ) { | |
| 547 | + return $items; | |
| 548 | + } | |
| 549 | + | |
| 550 | + if ( ! $user_id ) { | |
| 551 | + $user_id = get_current_user_id(); | |
| 552 | + } | |
| 553 | + | |
| 554 | + $user = learn_press_get_user( $user_id, false ); | |
| 555 | + $current_item = LP_Global::course_item(); | |
| 556 | + $get_item_ids = $course->get_item_ids(); | |
| 557 | + $enrolled = $user ? $user->has_enrolled_course( $course_id ) : false; | |
| 558 | + | |
| 559 | + if ( $get_item_ids ) { | |
| 560 | + foreach ( $get_item_ids as $item_id ) { | |
| 561 | + $is_preview = get_post_meta( $item_id, '_lp_preview', true ); | |
| 562 | + | |
| 563 | + if ( $enrolled ) { | |
| 564 | + $is_preview = 'no'; | |
| 565 | + } | |
| 566 | + | |
| 567 | + $cached = LP_Object_Cache::get( | |
| 568 | + 'item-' . $user_id . '-' . $course_id . '-' . $item_id, | |
| 569 | + 'learn-press/preview-items' | |
| 570 | + ); | |
| 571 | + | |
| 572 | + if ( false === $cached ) { | |
| 573 | + LP_Object_Cache::set( | |
| 574 | + 'item-' . $user_id . '-' . $course->get_id() . '-' . $item_id, | |
| 575 | + $is_preview, | |
| 576 | + 'learn-press/preview-items' | |
| 577 | + ); | |
| 578 | + } | |
| 579 | + | |
| 580 | + $items[ $item_id ] = $is_preview; | |
| 581 | + } | |
| 582 | + } | |
| 583 | + | |
| 584 | + return $items; | |
| 585 | + }*/ | |
| 586 | + | |
| 587 | + /** | |
| 588 | + * Parse classes for all items in a course. | |
| 589 | + * | |
| 590 | + * @param int $course_id . | |
| 591 | + * @param int $user_id . | |
| 592 | + * @param array|string $more . | |
| 593 | + * | |
| 594 | + * @return array | |
| 595 | + * @throws Exception | |
| 596 | + * @since 3.2.0 | |
| 597 | + * @editor tungnx | |
| 598 | + */ | |
| 599 | + public function parse_items_classes( int $course_id = 0, int $user_id = 0, $more = array() ): array { | |
| 600 | + $items = array(); | |
| 601 | + | |
| 602 | + $course = learn_press_get_course( $course_id ); | |
| 603 | + | |
| 604 | + if ( ! $course ) { | |
| 605 | + return $items; | |
| 606 | + } | |
| 607 | + | |
| 608 | + if ( ! $user_id ) { | |
| 609 | + $user_id = get_current_user_id(); | |
| 610 | + } | |
| 611 | + | |
| 612 | + $get_item_ids = $course->get_item_ids(); | |
| 613 | + | |
| 614 | + if ( empty( $get_item_ids ) ) { | |
| 615 | + return $items; | |
| 616 | + } | |
| 617 | + | |
| 618 | + $user = learn_press_get_user( $user_id ); | |
| 619 | + if ( ! $user ) { | |
| 620 | + return $items; | |
| 621 | + } | |
| 622 | + | |
| 623 | + $current_item = LP_Global::course_item(); | |
| 624 | + $enrolled = $user->has_enrolled_or_finished( $course_id ); | |
| 625 | + $is_free = $course->is_free(); | |
| 626 | + $no_required_enroll = $course->is_no_required_enroll(); | |
| 627 | + $can_view_content_course = $user->can_view_content_course( $course_id ); | |
| 628 | + | |
| 629 | + foreach ( $get_item_ids as $item_id ) { | |
| 630 | + $item = $course->get_item( $item_id ); | |
| 631 | + | |
| 632 | + if ( ! $item instanceof LP_Course_Item ) { | |
| 633 | + continue; | |
| 634 | + } | |
| 635 | + | |
| 636 | + $can_view_item = $user->can_view_item( $item_id, $can_view_content_course ); | |
| 637 | + | |
| 638 | + $defaults = array_merge( | |
| 639 | + array( | |
| 640 | + 'course-item', | |
| 641 | + 'course-item-' . $item->get_item_type(), | |
| 642 | + 'course-item-' . $item_id, | |
| 643 | + ), | |
| 644 | + (array) $more | |
| 645 | + ); | |
| 646 | + | |
| 647 | + $post_format = $item->get_format(); | |
| 648 | + if ( ( 'standard' !== $post_format ) && $post_format ) { | |
| 649 | + $defaults[] = 'course-item-type-' . $post_format; | |
| 650 | + } | |
| 651 | + | |
| 652 | + if ( $current_item && $current_item->get_id() == $item->get_id() ) { | |
| 653 | + $defaults[] = 'current'; | |
| 654 | + } | |
| 655 | + | |
| 656 | + // Edit by tungnx, rewrite class to show icon. | |
| 657 | + if ( $no_required_enroll ) { | |
| 658 | + $defaults[] = 'item-free'; | |
| 659 | + } elseif ( ! $enrolled ) { | |
| 660 | + $defaults['item-locked'] = 'item-locked'; | |
| 661 | + | |
| 662 | + if ( $item->is_preview() ) { | |
| 663 | + $defaults['item-preview'] = 'item-preview'; | |
| 664 | + $defaults['has-status'] = 'has-status'; | |
| 665 | + unset( $defaults['item-locked'] ); | |
| 666 | + } | |
| 667 | + } elseif ( ! $can_view_item->flag ) { | |
| 668 | + $defaults[] = 'item-locked'; | |
| 669 | + } else { | |
| 670 | + $item_status = $user->get_item_status( $item_id, $course_id ); | |
| 671 | + $item_grade = $user->get_item_grade( $item_id, $course_id ); | |
| 672 | + | |
| 673 | + if ( $item_status ) { | |
| 674 | + $defaults[] = 'has-status'; | |
| 675 | + $defaults[] = 'status-' . $item_status; | |
| 676 | + } | |
| 677 | + | |
| 678 | + switch ( $item_status ) { | |
| 679 | + case 'started': | |
| 680 | + break; | |
| 681 | + case 'completed': | |
| 682 | + $defaults[] = $item_grade; | |
| 683 | + break; | |
| 684 | + default: | |
| 685 | + if ( $item->is_preview() ) { | |
| 686 | + $defaults['item-preview'] = 'item-preview'; | |
| 687 | + $defaults['has-status'] = 'has-status'; | |
| 688 | + } | |
| 689 | + | |
| 690 | + $item_class = apply_filters( | |
| 691 | + 'learn-press/course-item-status-class', | |
| 692 | + $item_status, | |
| 693 | + $item_grade, | |
| 694 | + $item->get_item_type(), | |
| 695 | + $item_id, | |
| 696 | + $course_id | |
| 697 | + ); | |
| 698 | + | |
| 699 | + if ( $item_class ) { | |
| 700 | + $defaults[] = $item_class; | |
| 701 | + } | |
| 702 | + } | |
| 703 | + } | |
| 704 | + // End. | |
| 705 | + | |
| 706 | + $classes = apply_filters( | |
| 707 | + 'learn-press/course-item-class', | |
| 708 | + $defaults, | |
| 709 | + $item->get_item_type(), | |
| 710 | + $item_id, | |
| 711 | + $course_id | |
| 712 | + ); | |
| 713 | + | |
| 714 | + // Filter unwanted values. | |
| 715 | + $classes = is_array( $classes ) ? $classes : explode( ' ', $classes ); | |
| 716 | + $classes = array_filter( $classes ); | |
| 717 | + $classes = array_unique( $classes ); | |
| 718 | + | |
| 719 | + LP_Object_Cache::set( 'item-' . $user_id . '-' . $item_id, $classes, 'learn-press/post-classes' ); | |
| 720 | + $items[ $item_id ] = $classes; | |
| 721 | + } | |
| 722 | + | |
| 723 | + return $items; | |
| 724 | + } | |
| 725 | +} | |
