| @@ -1,999 +1,991 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -/** | |
| 4 | - * Class LP_Question_CURD | |
| 5 | - * | |
| 6 | - * @author ThimPress | |
| 7 | - * @package LearnPress/Classes/CURD | |
| 8 | - * @since 3.0.0 | |
| 9 | - */ | |
| 10 | - | |
| 11 | -/** | |
| 12 | - * Prevent loading this file directly | |
| 13 | - */ | |
| 14 | -defined( 'ABSPATH' ) || exit(); | |
| 15 | - | |
| 16 | -if ( ! class_exists( 'LP_Question_CURD' ) ) { | |
| 17 | - | |
| 18 | - /** | |
| 19 | - * Class LP_Question_CURD | |
| 20 | - */ | |
| 21 | - class LP_Question_CURD extends LP_Object_Data_CURD implements LP_Interface_CURD { | |
| 22 | - | |
| 23 | - /** | |
| 24 | - * LP_Question_CURD constructor. | |
| 25 | - */ | |
| 26 | - public function __construct() { | |
| 27 | - $this->_error_messages = array( | |
| 28 | - 'QUESTION_NOT_EXISTS' => __( 'The question does not exist.', 'learnpress' ), | |
| 29 | - ); | |
| 30 | - } | |
| 31 | - | |
| 32 | - /** | |
| 33 | - * Create question and can add to quiz. | |
| 34 | - * | |
| 35 | - * @param $args | |
| 36 | - * | |
| 37 | - * @return bool|int|LP_Question|WP_Error | |
| 38 | - */ | |
| 39 | - public function create( &$args ) { | |
| 40 | - $args = wp_parse_args( | |
| 41 | - $args, | |
| 42 | - array( | |
| 43 | - 'quiz_id' => 0, | |
| 44 | - 'order' => - 1, | |
| 45 | - 'id' => '', | |
| 46 | - 'status' => 'publish', | |
| 47 | - 'type' => 'true_or_false', | |
| 48 | - 'title' => __( 'New Question', 'learnpress' ), | |
| 49 | - 'content' => '', | |
| 50 | - 'create_answers' => true, | |
| 51 | - ) | |
| 52 | - ); | |
| 53 | - | |
| 54 | - // set question author for author of quiz | |
| 55 | - if ( ! empty( $args['quiz_id'] ) ) { | |
| 56 | - $user_id = get_post_field( 'post_author', $args['quiz_id'] ); | |
| 57 | - } else { | |
| 58 | - $user_id = learn_press_get_current_user_id(); | |
| 59 | - } | |
| 60 | - | |
| 61 | - $question_id = wp_insert_post( | |
| 62 | - array( | |
| 63 | - 'ID' => $args['id'], | |
| 64 | - 'post_author' => $user_id, | |
| 65 | - 'post_type' => LP_QUESTION_CPT, | |
| 66 | - 'post_status' => $args['status'], | |
| 67 | - 'post_title' => $args['title'], | |
| 68 | - 'post_content' => $args['content'], | |
| 69 | - ) | |
| 70 | - ); | |
| 71 | - | |
| 72 | - if ( $question_id ) { | |
| 73 | - // add default meta for new lesson | |
| 74 | - $default_meta = LP_Question::get_default_meta(); | |
| 75 | - | |
| 76 | - if ( is_array( $default_meta ) ) { | |
| 77 | - foreach ( $default_meta as $key => $value ) { | |
| 78 | - update_post_meta( $question_id, '_lp_' . $key, $value ); | |
| 79 | - } | |
| 80 | - } | |
| 81 | - update_post_meta( $question_id, '_lp_type', $args['type'] ); | |
| 82 | - // update user memory question types | |
| 83 | - get_user_meta( $user_id, '_learn_press_memorize_question_types', $args['type'] ); | |
| 84 | - | |
| 85 | - $question = LP_Question::get_question( $question_id, array( 'type' => $args['type'] ) ); | |
| 86 | - $question->set_type( $args['type'] ); | |
| 87 | - | |
| 88 | - // add question to quiz | |
| 89 | - if ( ! empty( $args['quiz_id'] ) ) { | |
| 90 | - $quiz_curd = new LP_Quiz_CURD(); | |
| 91 | - $quiz_curd->add_question( $args['quiz_id'], $question_id, $args['order'] ); | |
| 92 | - } | |
| 93 | - | |
| 94 | - if ( $args['create_answers'] ) { | |
| 95 | - $question->create_default_answers(); | |
| 96 | - } | |
| 97 | - | |
| 98 | - do_action( 'learn-press/after-create-question', $question ); | |
| 99 | - | |
| 100 | - return $question; | |
| 101 | - } | |
| 102 | - | |
| 103 | - return $question_id; | |
| 104 | - } | |
| 105 | - | |
| 106 | - | |
| 107 | - public function update( &$question ) { | |
| 108 | - return $question; | |
| 109 | - // TODO: Implement update() method. | |
| 110 | - } | |
| 111 | - | |
| 112 | - /** | |
| 113 | - * Delete all question's related data before run wp_delete_post(), hook to before delete question hook. | |
| 114 | - * | |
| 115 | - * @since 3.0.0 | |
| 116 | - * | |
| 117 | - * @param object $question_id | |
| 118 | - */ | |
| 119 | - public function delete( &$question_id ) { | |
| 120 | - // remove all answer of question from {$wpdb->prefix}learnpress_question_answers table | |
| 121 | - $this->clear( $question_id ); | |
| 122 | - | |
| 123 | - // quiz curd | |
| 124 | - $curd = new LP_Quiz_CURD(); | |
| 125 | - | |
| 126 | - // allow hook | |
| 127 | - do_action( 'learn-press/before-delete-question', $question_id ); | |
| 128 | - | |
| 129 | - // get the quizzes that a question is assigned to, return WP Post | |
| 130 | - $quiz = $this->get_quiz( $question_id ); | |
| 131 | - | |
| 132 | - // remove question from quiz | |
| 133 | - if ( $quiz ) { | |
| 134 | - $curd->remove_questions( $quiz->ID, $question_id ); | |
| 135 | - } | |
| 136 | - } | |
| 137 | - | |
| 138 | - /** | |
| 139 | - * Duplicate question. | |
| 140 | - * | |
| 141 | - * @since 3.0.0 | |
| 142 | - * | |
| 143 | - * @param $question_id | |
| 144 | - * @param array $args | |
| 145 | - * | |
| 146 | - * @return mixed|WP_Error | |
| 147 | - */ | |
| 148 | - public function duplicate( &$question_id, $args = array() ) { | |
| 149 | - if ( ! $question_id ) { | |
| 150 | - return new WP_Error( 'lp/question/curd/duplicate/err', 'Oops! ID not found' ); | |
| 151 | - } | |
| 152 | - | |
| 153 | - if ( learn_press_get_post_type( $question_id ) != LP_QUESTION_CPT ) { | |
| 154 | - return new WP_Error( 'lp/question/curd/duplicate/err', 'Op! The question does not exist' ); | |
| 155 | - } | |
| 156 | - | |
| 157 | - // ensure that user can create question | |
| 158 | - if ( ! current_user_can( 'edit_posts' ) ) { | |
| 159 | - return new WP_Error( 'lp/question/curd/duplicate/err', 'Sorry! You do not have permission to duplicate this question' ); | |
| 160 | - } | |
| 161 | - | |
| 162 | - // origin question | |
| 163 | - $question = LP_Question::get_question( $question_id ); | |
| 164 | - | |
| 165 | - // duplicate question | |
| 166 | - $new_question_id = learn_press_duplicate_post( $question_id, array( 'post_status' => 'publish' ) ); | |
| 167 | - | |
| 168 | - if ( ! $new_question_id || is_wp_error( $new_question_id ) ) { | |
| 169 | - return new WP_Error( 'lp/question/curd/duplicate/err', 'Sorry! Failed to duplicate the question!' ); | |
| 170 | - } else { | |
| 171 | - | |
| 172 | - // init new question | |
| 173 | - $new_question = LP_Question::get_question( $new_question_id ); | |
| 174 | - | |
| 175 | - // set data | |
| 176 | - $new_question->set_type( $question->get_type() ); | |
| 177 | - $new_question->set_data( 'answer_options', $question->get_data( 'answer_options' ) ); | |
| 178 | - | |
| 179 | - // trigger change user memorize question types | |
| 180 | - $user_id = get_current_user_id(); | |
| 181 | - update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_question->get_type() ); | |
| 182 | - | |
| 183 | - // duplicate answer | |
| 184 | - $this->duplicate_answer( $question_id, $new_question_id ); | |
| 185 | - | |
| 186 | - do_action( 'learn-press/item/after-duplicate', $question_id, $new_question_id, $args ); | |
| 187 | - | |
| 188 | - return $new_question_id; | |
| 189 | - } | |
| 190 | - } | |
| 191 | - | |
| 192 | - /** | |
| 193 | - * Duplicate answer question. | |
| 194 | - * | |
| 195 | - * @param $question_id | origin question | |
| 196 | - * @param $question_id_clone | new question | |
| 197 | - * @version 3.0.1 | |
| 198 | - * @since 1.0.1 | |
| 199 | - */ | |
| 200 | - public function duplicate_answer( $question_id, $question_id_clone ) { | |
| 201 | - $lp_db = LP_Database::getInstance(); | |
| 202 | - $lp_question_answers_db = LP_Question_Answers_DB::getInstance(); | |
| 203 | - | |
| 204 | - try { | |
| 205 | - // Get all answer of question | |
| 206 | - $filter_get_answer_options = new LP_Question_Answers_Filter(); | |
| 207 | - $filter_get_answer_options->question_ids = [ $question_id ]; | |
| 208 | - $answer_options = $lp_question_answers_db->get_question_answers( $filter_get_answer_options ); | |
| 209 | - | |
| 210 | - if ( $answer_options ) { | |
| 211 | - foreach ( $answer_options as $answer_option ) { | |
| 212 | - $question_answer_id = $answer_option->question_answer_id; | |
| 213 | - | |
| 214 | - // Insert new question_answer | |
| 215 | - $insert_question_answer_rs = $lp_db->wpdb->insert( | |
| 216 | - $lp_db->tb_lp_question_answers, | |
| 217 | - array( | |
| 218 | - 'question_id' => $question_id_clone, | |
| 219 | - 'title' => ! empty( $answer_option->title ) ? $answer_option->title : '', | |
| 220 | - 'value' => ! empty( $answer_option->value ) ? $answer_option->value : '', | |
| 221 | - 'is_true' => ! empty( $answer_option->is_true ) ? $answer_option->is_true : '', | |
| 222 | - 'order' => $answer_option->order, | |
| 223 | - ), | |
| 224 | - array( '%d', '%s', '%s', '%s', '%s' ) | |
| 225 | - ); | |
| 226 | - | |
| 227 | - if ( ! $insert_question_answer_rs ) { | |
| 228 | - throw new Exception( __( 'Failed to duplicate answer', 'learnpress' ) ); | |
| 229 | - } | |
| 230 | - | |
| 231 | - // Get question_answer_id have just inserted | |
| 232 | - $filter_question_answer_id = new LP_Question_Answers_Filter(); | |
| 233 | - $filter_question_answer_id->only_fields = [ 'MAX(question_answer_id)' ]; | |
| 234 | - $filter_question_answer_id->question_ids = [ $question_id_clone ]; | |
| 235 | - $filter_question_answer_id->return_string_query = true; | |
| 236 | - $question_answer_id_query = $lp_question_answers_db->get_question_answers( $filter_question_answer_id ); | |
| 237 | - $question_answer_id_new = (int) $lp_question_answers_db->wpdb->get_var( $question_answer_id_query ); | |
| 238 | - | |
| 239 | - if ( ! $question_answer_id_new ) { | |
| 240 | - throw new Exception( __( 'Failed to duplicate answer', 'learnpress' ) ); | |
| 241 | - } | |
| 242 | - | |
| 243 | - // Duplicate answer meta | |
| 244 | - // Get answer meta by question_answer_id | |
| 245 | - $filter_get = new LP_Question_Answermeta_Filter(); | |
| 246 | - $filter_get->collection = $lp_db->tb_lp_question_answermeta; | |
| 247 | - $filter_get->collection_alias = 'qam'; | |
| 248 | - $filter_get->field_count = 'meta_id'; | |
| 249 | - $filter_get->limit = -1; | |
| 250 | - $filter_get->where[] = $lp_db->wpdb->prepare( 'AND qam.learnpress_question_answer_id = %d', $question_answer_id ); | |
| 251 | - $filter_get->fields = $lp_db->get_cols_of_table( $lp_db->tb_lp_question_answermeta ); | |
| 252 | - $question_answermeta_rs = $lp_db->execute( $filter_get ); | |
| 253 | - | |
| 254 | - foreach ( $question_answermeta_rs as $question_answermeta ) { | |
| 255 | - $lp_db->wpdb->insert( | |
| 256 | - $lp_db->tb_lp_question_answermeta, | |
| 257 | - array( | |
| 258 | - 'learnpress_question_answer_id' => $question_answer_id_new, | |
| 259 | - 'meta_key' => $question_answermeta->meta_key, | |
| 260 | - 'meta_value' => $question_answermeta->meta_value, | |
| 261 | - ), | |
| 262 | - array( '%d', '%s', '%s' ) | |
| 263 | - ); | |
| 264 | - } | |
| 265 | - } | |
| 266 | - } | |
| 267 | - } catch ( Throwable $e ) { | |
| 268 | - error_log( $e->getMessage() ); | |
| 269 | - } | |
| 270 | - } | |
| 271 | - | |
| 272 | - /** | |
| 273 | - * @param LP_Question $question | |
| 274 | - * | |
| 275 | - * @return bool | |
| 276 | - * @throws Exception | |
| 277 | - */ | |
| 278 | - public function load( &$question ) { | |
| 279 | - // question id | |
| 280 | - $id = $question->get_id(); | |
| 281 | - | |
| 282 | - if ( ! $id || ! in_array( learn_press_get_post_type( $id ), array( 'revision', LP_QUESTION_CPT ) ) ) { | |
| 283 | - throw new Exception( sprintf( __( 'Invalid question with ID "%d".', 'learnpress' ), $id ) ); | |
| 284 | - } | |
| 285 | - | |
| 286 | - $question->set_data_via_methods( | |
| 287 | - array( | |
| 288 | - 'explanation' => get_post_meta( $id, '_lp_explanation', true ), | |
| 289 | - 'hint' => get_post_meta( $id, '_lp_hint', true ), | |
| 290 | - ) | |
| 291 | - ); | |
| 292 | - // $this->_load_answer_options( $question ); | |
| 293 | - $this->_load_meta( $question ); | |
| 294 | - | |
| 295 | - return true; | |
| 296 | - } | |
| 297 | - | |
| 298 | - /** | |
| 299 | - * @param $question | LP_Question | |
| 300 | - */ | |
| 301 | - protected function _load_meta( &$question ) { | |
| 302 | - $type = get_post_meta( $question->get_id(), '_lp_type', true ); | |
| 303 | - if ( ! learn_press_is_support_question_type( $type ) ) { | |
| 304 | - $type = 'true_or_false'; | |
| 305 | - } | |
| 306 | - // $question->set_type( $type ); | |
| 307 | - | |
| 308 | - $mark = $this->_get_question_mark( $question->get_id() ); | |
| 309 | - $question->set_data_via_methods( | |
| 310 | - array( | |
| 311 | - 'mark' => $mark, | |
| 312 | - ) | |
| 313 | - ); | |
| 314 | - } | |
| 315 | - | |
| 316 | - public function _get_question_mark( $question_id ) { | |
| 317 | - | |
| 318 | - // Recheck _lp_mark @tungnx | |
| 319 | - $mark = get_post_meta( $question_id, '_lp_mark', true ) ? get_post_meta( $question_id, '_lp_mark', true ) : 0; | |
| 320 | - | |
| 321 | - $mark = abs( $mark ); | |
| 322 | - if ( ! $mark ) { | |
| 323 | - $mark = apply_filters( 'learn-press/question/default-mark', 1, $question_id ); | |
| 324 | - update_post_meta( $question_id, '_lp_mark', $mark ); | |
| 325 | - } | |
| 326 | - | |
| 327 | - return $mark; | |
| 328 | - } | |
| 329 | - | |
| 330 | - /** | |
| 331 | - * Get the quizzes that a question is assigned to. | |
| 332 | - * | |
| 333 | - * @since 3.0.0 | |
| 334 | - * | |
| 335 | - * @param $question_id | |
| 336 | - * | |
| 337 | - * @return null|object WP_Post | |
| 338 | - */ | |
| 339 | - public function get_quiz( $question_id ) { | |
| 340 | - global $wpdb; | |
| 341 | - | |
| 342 | - $query = $wpdb->prepare( | |
| 343 | - " | |
| 344 | - SELECT post.* FROM {$wpdb->posts} post | |
| 345 | - INNER JOIN {$wpdb->prefix}learnpress_quiz_questions quiz ON post.ID = quiz.quiz_id | |
| 346 | - WHERE quiz.question_id = %d | |
| 347 | - ", | |
| 348 | - $question_id | |
| 349 | - ); | |
| 350 | - | |
| 351 | - // get single row | |
| 352 | - return $wpdb->get_row( $query ); | |
| 353 | - } | |
| 354 | - | |
| 355 | - /** | |
| 356 | - * Change question type. | |
| 357 | - * | |
| 358 | - * @param $question LP_Question | |
| 359 | - * @param $new_type | |
| 360 | - * | |
| 361 | - * @return false|void | |
| 362 | - * @since 3.0.0 | |
| 363 | - * @version 1.0.1 | |
| 364 | - */ | |
| 365 | - public function change_question_type( &$question, $new_type ) { | |
| 366 | - if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { | |
| 367 | - return false; | |
| 368 | - } | |
| 369 | - | |
| 370 | - $question_id = $question->get_id(); | |
| 371 | - | |
| 372 | - // If not new Question or not change type return | |
| 373 | - $old_type = get_post_meta( $question_id, '_lp_type', true ); | |
| 374 | - if ( ! empty( $old_type ) && $old_type === $new_type ) { | |
| 375 | - return; | |
| 376 | - } | |
| 377 | - | |
| 378 | - $answer_options = $question->get_data( 'answer_options' ); | |
| 379 | - update_post_meta( $question_id, '_lp_type', $new_type ); | |
| 380 | - $question->set_type( $new_type ); | |
| 381 | - | |
| 382 | - $new_question = LP_Question::get_question( $question_id, array( 'force' => true ) ); | |
| 383 | - | |
| 384 | - if ( $new_question ) { | |
| 385 | - $user_id = get_current_user_id(); | |
| 386 | - update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_type ); | |
| 387 | - | |
| 388 | - if ( $old_type == 'multi_choice' && $new_type == 'single_choice' ) { | |
| 389 | - $func = '_convert_answers_multi_choice_to_single_choice'; | |
| 390 | - } elseif ( ( $old_type == 'multi_choice' || $old_type == 'single_choice' ) && 'true_or_false' == $new_type ) { | |
| 391 | - $func = '_convert_answers_to_true_or_false'; | |
| 392 | - } else { | |
| 393 | - // for rest, clear answer data and create default | |
| 394 | - $func = '_convert_default_answers'; | |
| 395 | - } | |
| 396 | - | |
| 397 | - if ( is_callable( array( $this, $func ) ) ) { | |
| 398 | - $answer_options = call_user_func_array( | |
| 399 | - array( $this, $func ), | |
| 400 | - array( | |
| 401 | - $question, | |
| 402 | - $new_question, | |
| 403 | - $answer_options, | |
| 404 | - ) | |
| 405 | - ); | |
| 406 | - } | |
| 407 | - | |
| 408 | - LP_Object_Cache::set( 'answer-options-' . $question_id, $answer_options, 'learn-press/questions' ); | |
| 409 | - $new_question->set_data( 'answer_options', $answer_options ); | |
| 410 | - | |
| 411 | - $question = $new_question; | |
| 412 | - } | |
| 413 | - } | |
| 414 | - | |
| 415 | - /** | |
| 416 | - * Update answer title | |
| 417 | - * | |
| 418 | - * @param $question_id | |
| 419 | - * @param $answer | |
| 420 | - * | |
| 421 | - * @return bool|false|int | |
| 422 | - */ | |
| 423 | - public function update_answer_title( $question_id, $answer ) { | |
| 424 | - if ( get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 425 | - return false; | |
| 426 | - } | |
| 427 | - | |
| 428 | - global $wpdb; | |
| 429 | - | |
| 430 | - // question data | |
| 431 | - $data = array( | |
| 432 | - 'data' => apply_filters( | |
| 433 | - 'learn-press/question/update-answer-data', | |
| 434 | - array( | |
| 435 | - 'title' => $answer['title'], | |
| 436 | - 'value' => $answer['value'] ?? '', | |
| 437 | - 'is_true' => $answer['is_true'] ?? '', | |
| 438 | - ) | |
| 439 | - ), | |
| 440 | - 'where' => array( | |
| 441 | - 'question_answer_id' => $answer['question_answer_id'], | |
| 442 | - 'question_id' => $question_id, | |
| 443 | - ), | |
| 444 | - ); | |
| 445 | - | |
| 446 | - $update = $wpdb->update( | |
| 447 | - $wpdb->learnpress_question_answers, | |
| 448 | - $data['data'], | |
| 449 | - $data['where'], | |
| 450 | - array( '%s', '%s', '%s' ), | |
| 451 | - array( '%d', '%d' ) | |
| 452 | - ); | |
| 453 | - | |
| 454 | - // Update for Fill in Blanks. | |
| 455 | - if ( ! empty( $answer['blanks'] ) ) { | |
| 456 | - $blanks = $answer['blanks']; | |
| 457 | - | |
| 458 | - /*if ( is_array( $blanks ) ) { | |
| 459 | - $question = LP_Question::get_question( $question_id ); | |
| 460 | - | |
| 461 | - foreach ( $blanks as $id => $blank ) { | |
| 462 | - $question->_blanks[ $blank['id'] ] = $blank; | |
| 463 | - } | |
| 464 | - }*/ | |
| 465 | - | |
| 466 | - learn_press_update_question_answer_meta( $answer['question_answer_id'], '_blanks', $blanks ); | |
| 467 | - } | |
| 468 | - | |
| 469 | - return $update; | |
| 470 | - } | |
| 471 | - | |
| 472 | - /** | |
| 473 | - * Update correct answer. | |
| 474 | - * | |
| 475 | - * @param $question LP_Question | |
| 476 | - * @param $correct | |
| 477 | - * | |
| 478 | - * @return bool | LP_Question | |
| 479 | - */ | |
| 480 | - public function change_correct_answer( $question, $correct ) { | |
| 481 | - if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { | |
| 482 | - return false; | |
| 483 | - } | |
| 484 | - | |
| 485 | - global $wpdb; | |
| 486 | - | |
| 487 | - $question_id = $question->get_id(); | |
| 488 | - $question_type = $question->get_type(); | |
| 489 | - $question_answers = $question->get_data( 'answer_options' ); | |
| 490 | - | |
| 491 | - $db_args = $answers = array(); | |
| 492 | - | |
| 493 | - foreach ( $question_answers as $index => $answer ) { | |
| 494 | - | |
| 495 | - $answer_data = array( | |
| 496 | - 'title' => $answer['title'], | |
| 497 | - 'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', | |
| 498 | - 'is_true' => isset( $answer['is_true'] ) ? $answer['is_true'] : '', | |
| 499 | - ); | |
| 500 | - | |
| 501 | - // update correct for select answer | |
| 502 | - if ( $answer['question_answer_id'] == $correct['question_answer_id'] ) { | |
| 503 | - $answer_data['is_true'] = $correct['is_true']; | |
| 504 | - } else { | |
| 505 | - // untrue all rest answer with True or false and Single choice question | |
| 506 | - if ( in_array( $question_type, array( 'true_or_false', 'single_choice' ) ) ) { | |
| 507 | - $answer_data['is_true'] = ''; | |
| 508 | - } | |
| 509 | - } | |
| 510 | - | |
| 511 | - // question answers data to set cache | |
| 512 | - $answers[ $index ] = array( | |
| 513 | - 'question_answer_id' => $answer['question_answer_id'], | |
| 514 | - 'question_id' => $question_id, | |
| 515 | - 'order' => $answer['order'], | |
| 516 | - 'title' => $answer_data['title'], | |
| 517 | - 'value' => $answer_data['value'], | |
| 518 | - 'is_true' => $answer_data['is_true'], | |
| 519 | - ); | |
| 520 | - | |
| 521 | - // new answers data | |
| 522 | - $db_args[ $index ] = array( | |
| 523 | - 'data' => array( | |
| 524 | - 'title' => $answer_data['title'], | |
| 525 | - 'value' => $answer_data['value'], | |
| 526 | - 'is_true' => $answer_data['is_true'], | |
| 527 | - ), | |
| 528 | - 'where' => array( | |
| 529 | - 'question_answer_id' => $answer['question_answer_id'], | |
| 530 | - 'question_id' => $question_id, | |
| 531 | - 'order' => $answer['order'], | |
| 532 | - ), | |
| 533 | - ); | |
| 534 | - } | |
| 535 | - | |
| 536 | - // update db | |
| 537 | - foreach ( $db_args as $id => $arg ) { | |
| 538 | - $wpdb->update( | |
| 539 | - $wpdb->learnpress_question_answers, | |
| 540 | - $arg['data'], | |
| 541 | - $arg['where'], | |
| 542 | - array( '%s', '%s', '%s' ), | |
| 543 | - array( '%d', '%d', '%d' ) | |
| 544 | - ); | |
| 545 | - } | |
| 546 | - | |
| 547 | - // set question answer data | |
| 548 | - $question->set_data( 'answer_options', $answers ); | |
| 549 | - | |
| 550 | - return $question; | |
| 551 | - } | |
| 552 | - | |
| 553 | - /** | |
| 554 | - * Sort answers. | |
| 555 | - * | |
| 556 | - * @since 3.0.0 | |
| 557 | - * | |
| 558 | - * @param $question_id | |
| 559 | - * @param array $order | |
| 560 | - * | |
| 561 | - * @return bool|LP_Question | |
| 562 | - */ | |
| 563 | - public function sort_answers( $question_id, $order = array() ) { | |
| 564 | - | |
| 565 | - if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 566 | - return false; | |
| 567 | - } | |
| 568 | - | |
| 569 | - if ( $order ) { | |
| 570 | - $question = LP_Question::get_question( $question_id ); | |
| 571 | - $answers = $question->get_data( 'answer_options' ); | |
| 572 | - | |
| 573 | - global $wpdb; | |
| 574 | - $new_answers = array(); | |
| 575 | - foreach ( $order as $index => $answer_id ) { | |
| 576 | - $wpdb->update( | |
| 577 | - $wpdb->learnpress_question_answers, | |
| 578 | - array( 'order' => $index + 1 ), | |
| 579 | - array( 'question_answer_id' => $answer_id ) | |
| 580 | - ); | |
| 581 | - | |
| 582 | - $new_answers[ $answer_id ] = $answers[ $answer_id ]; | |
| 583 | - } | |
| 584 | - | |
| 585 | - $question->set_data( 'answer_options', $new_answers ); | |
| 586 | - | |
| 587 | - return $question; | |
| 588 | - | |
| 589 | - } | |
| 590 | - | |
| 591 | - return false; | |
| 592 | - } | |
| 593 | - | |
| 594 | - /** | |
| 595 | - * Delete question answer. | |
| 596 | - * | |
| 597 | - * @param $question_id | |
| 598 | - * @param $answer_id | |
| 599 | - * @param $force | |
| 600 | - * | |
| 601 | - * @return bool|false|int | |
| 602 | - */ | |
| 603 | - public function delete_answer( $question_id, $answer_id, $force = false ) { | |
| 604 | - | |
| 605 | - if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 606 | - return false; | |
| 607 | - } | |
| 608 | - | |
| 609 | - $question = LP_Question::get_question( $question_id ); | |
| 610 | - | |
| 611 | - // exist answer options | |
| 612 | - $answers = $question->get_data( 'answer_options' ); | |
| 613 | - | |
| 614 | - global $wpdb; | |
| 615 | - | |
| 616 | - // Delete answer meta | |
| 617 | - $wpdb->delete( | |
| 618 | - $wpdb->learnpress_question_answermeta, | |
| 619 | - array( 'learnpress_question_answer_id' => $answer_id ) | |
| 620 | - ); | |
| 621 | - | |
| 622 | - $delete = $wpdb->delete( | |
| 623 | - $wpdb->learnpress_question_answers, | |
| 624 | - array( 'question_answer_id' => $answer_id ) | |
| 625 | - ); | |
| 626 | - if ( $delete ) { | |
| 627 | - unset( $answers[ $answer_id ] ); | |
| 628 | - $question->set_data( 'answer_options', $answers ); | |
| 629 | - | |
| 630 | - $this->sort_answers( $question_id, array_keys( $answers ) ); | |
| 631 | - } | |
| 632 | - | |
| 633 | - return $delete; | |
| 634 | - } | |
| 635 | - | |
| 636 | - /** | |
| 637 | - * Add new answer. | |
| 638 | - * | |
| 639 | - * @param $question_id | |
| 640 | - * @param $new_answer | |
| 641 | - * | |
| 642 | - * @return bool|false|int | |
| 643 | - */ | |
| 644 | - public function new_answer( $question_id, $new_answer ) { | |
| 645 | - if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 646 | - return false; | |
| 647 | - } | |
| 648 | - | |
| 649 | - $question = LP_Question::get_question( $question_id ); | |
| 650 | - | |
| 651 | - // exist answer options | |
| 652 | - $answers = $question->get_data( 'answer_options' ); | |
| 653 | - // number answer options | |
| 654 | - $number = count( $answers ); | |
| 655 | - | |
| 656 | - if ( $question->get_type() === 'sorting_choice' ) { | |
| 657 | - $new_answer['is_true'] = 'yes'; | |
| 658 | - } | |
| 659 | - | |
| 660 | - global $wpdb; | |
| 661 | - | |
| 662 | - $new_answer = wp_parse_args( | |
| 663 | - $new_answer, | |
| 664 | - array( | |
| 665 | - 'question_id' => $question_id, | |
| 666 | - 'title' => '', | |
| 667 | - 'value' => learn_press_random_value(), | |
| 668 | - 'is_true' => '', | |
| 669 | - 'order' => $number + 1, | |
| 670 | - ) | |
| 671 | - ); | |
| 672 | - | |
| 673 | - $insert = $wpdb->insert( | |
| 674 | - $wpdb->learnpress_question_answers, | |
| 675 | - $new_answer, | |
| 676 | - learn_press_map_columns_format( | |
| 677 | - $new_answer, | |
| 678 | - array( | |
| 679 | - 'question_id' => '%d', | |
| 680 | - 'title' => '%s', | |
| 681 | - 'value' => '%s', | |
| 682 | - 'is_true' => '%s', | |
| 683 | - 'order' => '%d', | |
| 684 | - ) | |
| 685 | - ) | |
| 686 | - ); | |
| 687 | - | |
| 688 | - if ( $insert ) { | |
| 689 | - $new_answer['question_answer_id'] = $wpdb->insert_id; | |
| 690 | - | |
| 691 | - if ( is_array( $answers ) ) { | |
| 692 | - $answers = array_merge( $answers, array( $new_answer ) ); | |
| 693 | - } else { | |
| 694 | - $answers = array( $new_answer ); | |
| 695 | - } | |
| 696 | - $question->set_data( 'answer_options', $answers ); | |
| 697 | - } | |
| 698 | - | |
| 699 | - return $wpdb->insert_id; | |
| 700 | - } | |
| 701 | - | |
| 702 | - | |
| 703 | - /** | |
| 704 | - * Convert answers to true or false question. | |
| 705 | - * | |
| 706 | - * @since 3.0.0 | |
| 707 | - * | |
| 708 | - * @param $question | |
| 709 | - * @param $new_question | |
| 710 | - * @param $answers | |
| 711 | - * | |
| 712 | - * @return mixed | |
| 713 | - */ | |
| 714 | - protected function _convert_answers_to_true_or_false( $question, $new_question, $answers ) { | |
| 715 | - if ( is_array( $answers ) ) { | |
| 716 | - // array answer ids | |
| 717 | - $answer_ids = array_keys( $answers ); | |
| 718 | - | |
| 719 | - if ( sizeof( $answers ) > 2 ) { | |
| 720 | - global $wpdb; | |
| 721 | - | |
| 722 | - foreach ( $answers as $key => $answer ) { | |
| 723 | - if ( array_search( $key, $answer_ids ) > 1 ) { | |
| 724 | - $wpdb->delete( | |
| 725 | - $wpdb->learnpress_question_answers, | |
| 726 | - array( 'question_answer_id' => $answer['question_answer_id'] ) | |
| 727 | - ); | |
| 728 | - } | |
| 729 | - } | |
| 730 | - $answers = array_slice( $answers, 0, 2, true ); | |
| 731 | - } | |
| 732 | - | |
| 733 | - $correct = 0; | |
| 734 | - foreach ( $answers as $key => $answer ) { | |
| 735 | - if ( $answer['is_true'] == 'yes' ) { | |
| 736 | - $correct += 1; | |
| 737 | - } | |
| 738 | - } | |
| 739 | - | |
| 740 | - if ( ! $correct ) { | |
| 741 | - // for single choice deletes all correct, set first option is correct | |
| 742 | - $answers[ $answer_ids[0] ]['is_true'] = 'yes'; | |
| 743 | - } elseif ( $correct == 2 ) { | |
| 744 | - // for multiple choice keeps all correct, remove all correct and keep first option | |
| 745 | - $answers[ $answer_ids[1] ]['is_true'] = 'no'; | |
| 746 | - } | |
| 747 | - } | |
| 748 | - | |
| 749 | - return $answers; | |
| 750 | - } | |
| 751 | - | |
| 752 | - /** | |
| 753 | - * | |
| 754 | - * Convert answers for multi choice to single choice question. | |
| 755 | - * | |
| 756 | - * @since 3.0.0 | |
| 757 | - * | |
| 758 | - * @param $question | |
| 759 | - * @param $new_question | |
| 760 | - * @param $answers | |
| 761 | - * | |
| 762 | - * @return array | |
| 763 | - */ | |
| 764 | - protected function _convert_answers_multi_choice_to_single_choice( $question, $new_question, $answers ) { | |
| 765 | - if ( is_array( $answers ) ) { | |
| 766 | - // array answer ids | |
| 767 | - $answer_ids = array_keys( $answers ); | |
| 768 | - | |
| 769 | - $correct = 0; | |
| 770 | - foreach ( $answers as $key => $answer ) { | |
| 771 | - if ( $answer['is_true'] == 'yes' ) { | |
| 772 | - $correct += 1; | |
| 773 | - } | |
| 774 | - } | |
| 775 | - | |
| 776 | - if ( ! $correct ) { | |
| 777 | - $answers[ $answer_ids[0] ]['is_true'] = 'yes'; | |
| 778 | - } elseif ( $correct > 1 ) { | |
| 779 | - // remove all correct and keep first option | |
| 780 | - $answers[ $answer_ids[0] ]['is_true'] = 'no'; | |
| 781 | - } | |
| 782 | - } | |
| 783 | - | |
| 784 | - return $answers; | |
| 785 | - } | |
| 786 | - | |
| 787 | - /** | |
| 788 | - * Convert default answers. | |
| 789 | - * | |
| 790 | - * @param $question LP_Question | |
| 791 | - * @param $new_question LP_Question | |
| 792 | - * @param $answers | |
| 793 | - * | |
| 794 | - * @return array | |
| 795 | - */ | |
| 796 | - protected function _convert_default_answers( $question, $new_question, $answers ) { | |
| 797 | - $question_id = $question->get_id(); | |
| 798 | - // clear all exists answer | |
| 799 | - $this->clear( $question_id ); | |
| 800 | - // set default answer | |
| 801 | - $answer_options = $new_question->get_default_answers(); | |
| 802 | - | |
| 803 | - if ( is_array( $answer_options ) ) { | |
| 804 | - foreach ( $answer_options as $index => $answer ) { | |
| 805 | - $insert = array( | |
| 806 | - 'question_id' => $question_id, | |
| 807 | - 'title' => $answer['title'], | |
| 808 | - 'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', | |
| 809 | - 'is_true' => ( $answer['is_true'] == 'yes' ) ? $answer['is_true'] : '', | |
| 810 | - 'order' => $index + 1, | |
| 811 | - ); | |
| 812 | - $new_answers[] = $this->add_answer( $new_question->get_type(), $insert ); | |
| 813 | - }; | |
| 814 | - | |
| 815 | - return $new_answers; | |
| 816 | - } | |
| 817 | - | |
| 818 | - return $answers; | |
| 819 | - } | |
| 820 | - | |
| 821 | - /** | |
| 822 | - * Add question answer. | |
| 823 | - * | |
| 824 | - * @since 3.0.0 | |
| 825 | - * | |
| 826 | - * @param string $question_type | |
| 827 | - * @param array $args | |
| 828 | - * | |
| 829 | - * @return array|bool | |
| 830 | - */ | |
| 831 | - public function add_answer( $question_type = '', $args = array() ) { | |
| 832 | - global $wpdb; | |
| 833 | - | |
| 834 | - $question = LP_Question::get_question( $args['question_id'], array( 'type' => $question_type ) ); | |
| 835 | - | |
| 836 | - $wpdb->insert( | |
| 837 | - $wpdb->learnpress_question_answers, | |
| 838 | - array( | |
| 839 | - 'question_id' => $args['question_id'], | |
| 840 | - 'title' => $args['title'], | |
| 841 | - 'value' => $args['value'], | |
| 842 | - 'is_true' => $args['is_true'], | |
| 843 | - 'order' => $args['order'], | |
| 844 | - ), | |
| 845 | - array( '%d', '%s', '%s', '%s', '%d' ) | |
| 846 | - ); | |
| 847 | - | |
| 848 | - $question_answer_id = $wpdb->insert_id; | |
| 849 | - if ( $question_answer_id ) { | |
| 850 | - // update question answer option data | |
| 851 | - $answer_options = $question->get_data( 'answer_options' ) ? $question->get_data( 'answer_options' ) : array(); | |
| 852 | - | |
| 853 | - $new_answer_option_data = array( | |
| 854 | - 'question_answer_id' => $question_answer_id, | |
| 855 | - 'question_id' => $args['question_id'], | |
| 856 | - 'order' => $args['order'], | |
| 857 | - 'title' => $args['title'], | |
| 858 | - 'value' => $args['value'], | |
| 859 | - 'is_true' => $args['is_true'], | |
| 860 | - ); | |
| 861 | - | |
| 862 | - if ( ! $answer_options ) { | |
| 863 | - $question->set_data( 'answer_options', array( $new_answer_option_data ) ); | |
| 864 | - } else { | |
| 865 | - $answer_options[] = $new_answer_option_data; | |
| 866 | - $question->set_data( 'answer_options', $answer_options ); | |
| 867 | - } | |
| 868 | - | |
| 869 | - return $new_answer_option_data; | |
| 870 | - } else { | |
| 871 | - return false; | |
| 872 | - } | |
| 873 | - } | |
| 874 | - | |
| 875 | - /** | |
| 876 | - * Delete question answer. | |
| 877 | - * | |
| 878 | - * @since 3.0.0 | |
| 879 | - * | |
| 880 | - * @param $question_id | |
| 881 | - * @param $answer_id | |
| 882 | - * | |
| 883 | - * @return bool|false|int | |
| 884 | - */ | |
| 885 | - public function delete_question_answer( $question_id, $answer_id ) { | |
| 886 | - if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT || ! $answer_id ) { | |
| 887 | - return false; | |
| 888 | - } | |
| 889 | - | |
| 890 | - global $wpdb; | |
| 891 | - | |
| 892 | - $result = $wpdb->delete( | |
| 893 | - $wpdb->learnpress_question_answers, | |
| 894 | - array( 'question_answer_id' => $answer_id ) | |
| 895 | - ); | |
| 896 | - | |
| 897 | - return $result; | |
| 898 | - } | |
| 899 | - | |
| 900 | - /** | |
| 901 | - * Delete all question answers. | |
| 902 | - * | |
| 903 | - * @param $question_id | |
| 904 | - * | |
| 905 | - * @return bool|WP_Error | |
| 906 | - */ | |
| 907 | - public function clear( $question_id ) { | |
| 908 | - | |
| 909 | - if ( ! learn_press_get_question( $question_id ) ) { | |
| 910 | - return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 911 | - } | |
| 912 | - | |
| 913 | - do_action( 'learn-press/before-clear-question', $question_id ); | |
| 914 | - | |
| 915 | - global $wpdb; | |
| 916 | - $wpdb->delete( $wpdb->learnpress_question_answers, array( 'question_id' => $question_id ) ); | |
| 917 | - | |
| 918 | - return true; | |
| 919 | - } | |
| 920 | - | |
| 921 | - /** | |
| 922 | - * Load answer options for the question from database. | |
| 923 | - * Load from cache if data is already loaded into cache. | |
| 924 | - * Otherwise, load from database and put to cache. | |
| 925 | - * | |
| 926 | - * @param int $question_id | |
| 927 | - * | |
| 928 | - * @return array | |
| 929 | - */ | |
| 930 | - protected function _read_answers( $question_id ) { | |
| 931 | - global $wpdb; | |
| 932 | - | |
| 933 | - $query = $wpdb->prepare( | |
| 934 | - " | |
| 935 | - SELECT question_answer_id, title, value, is_true | |
| 936 | - FROM {$wpdb->prefix}learnpress_question_answers | |
| 937 | - WHERE question_id = %d | |
| 938 | - ORDER BY `order` ASC | |
| 939 | - ", | |
| 940 | - $question_id | |
| 941 | - ); | |
| 942 | - | |
| 943 | - $answer_options = array(); | |
| 944 | - | |
| 945 | - $results = $wpdb->get_results( $query ); | |
| 946 | - | |
| 947 | - if ( $results ) { | |
| 948 | - foreach ( $results as $k => $v ) { | |
| 949 | - $answer_option = array( | |
| 950 | - 'question_answer_id' => absint( $v->question_answer_id ), | |
| 951 | - 'title' => $v->title, | |
| 952 | - 'value' => $v->value, | |
| 953 | - 'is_true' => $v->is_true, | |
| 954 | - 'order' => $k + 1, // Need??? | |
| 955 | - ); | |
| 956 | - | |
| 957 | - $answer_options[ $v->question_answer_id ] = $answer_option; | |
| 958 | - } | |
| 959 | - } | |
| 960 | - | |
| 961 | - return $answer_options; | |
| 962 | - } | |
| 963 | - | |
| 964 | - /** | |
| 965 | - * Load question answers | |
| 966 | - * | |
| 967 | - * @updated 3.1.0 | |
| 968 | - * | |
| 969 | - * @param array|int $question_id | |
| 970 | - * | |
| 971 | - * @return array|bool | |
| 972 | - */ | |
| 973 | - public function load_answer_options( $question_id ) { | |
| 974 | - global $wpdb; | |
| 975 | - | |
| 976 | - $return_id = 0; | |
| 977 | - | |
| 978 | - if ( is_array( $question_id ) ) { | |
| 979 | - | |
| 980 | - foreach ( $question_id as $q_id ) { | |
| 981 | - $this->load_answer_options( $q_id ); | |
| 982 | - if ( ! $return_id ) { | |
| 983 | - $return_id = $q_id; | |
| 984 | - } | |
| 985 | - } | |
| 986 | - $question_id = $return_id; | |
| 987 | - } | |
| 988 | - | |
| 989 | - $answer_options = LP_Object_Cache::get( 'question-' . $question_id, 'question-answers' ); | |
| 990 | - | |
| 991 | - if ( false === $answer_options ) { | |
| 992 | - $answer_options = $this->_read_answers( $question_id ); | |
| 993 | - LP_Object_Cache::set( 'question-' . $question_id, $answer_options, 'question-answers' ); | |
| 994 | - } | |
| 995 | - | |
| 996 | - return $answer_options; | |
| 997 | - } | |
| 998 | - } | |
| 999 | -} | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +/** | |
| 4 | + * Class LP_Question_CURD | |
| 5 | + * | |
| 6 | + * @author ThimPress | |
| 7 | + * @package LearnPress/Classes/CURD | |
| 8 | + * @since 3.0.0 | |
| 9 | + */ | |
| 10 | + | |
| 11 | +/** | |
| 12 | + * Prevent loading this file directly | |
| 13 | + */ | |
| 14 | +defined( 'ABSPATH' ) || exit(); | |
| 15 | + | |
| 16 | +if ( ! class_exists( 'LP_Question_CURD' ) ) { | |
| 17 | + | |
| 18 | + /** | |
| 19 | + * Class LP_Question_CURD | |
| 20 | + */ | |
| 21 | + class LP_Question_CURD extends LP_Object_Data_CURD implements LP_Interface_CURD { | |
| 22 | + | |
| 23 | + /** | |
| 24 | + * LP_Question_CURD constructor. | |
| 25 | + */ | |
| 26 | + public function __construct() { | |
| 27 | + $this->_error_messages = array( | |
| 28 | + 'QUESTION_NOT_EXISTS' => __( 'The question does not exist.', 'learnpress' ), | |
| 29 | + ); | |
| 30 | + } | |
| 31 | + | |
| 32 | + /** | |
| 33 | + * Create question and can add to quiz. | |
| 34 | + * | |
| 35 | + * @param $args | |
| 36 | + * | |
| 37 | + * @return bool|int|LP_Question|WP_Error | |
| 38 | + */ | |
| 39 | + public function create( &$args ) { | |
| 40 | + $args = wp_parse_args( | |
| 41 | + $args, | |
| 42 | + array( | |
| 43 | + 'quiz_id' => 0, | |
| 44 | + 'order' => - 1, | |
| 45 | + 'id' => '', | |
| 46 | + 'status' => 'publish', | |
| 47 | + 'type' => 'true_or_false', | |
| 48 | + 'title' => __( 'New Question', 'learnpress' ), | |
| 49 | + 'content' => '', | |
| 50 | + 'create_answers' => true, | |
| 51 | + ) | |
| 52 | + ); | |
| 53 | + | |
| 54 | + // set question author for author of quiz | |
| 55 | + if ( ! empty( $args['quiz_id'] ) ) { | |
| 56 | + $user_id = get_post_field( 'post_author', $args['quiz_id'] ); | |
| 57 | + } else { | |
| 58 | + $user_id = learn_press_get_current_user_id(); | |
| 59 | + } | |
| 60 | + | |
| 61 | + $question_id = wp_insert_post( | |
| 62 | + array( | |
| 63 | + 'ID' => $args['id'], | |
| 64 | + 'post_author' => $user_id, | |
| 65 | + 'post_type' => LP_QUESTION_CPT, | |
| 66 | + 'post_status' => $args['status'], | |
| 67 | + 'post_title' => $args['title'], | |
| 68 | + 'post_content' => $args['content'], | |
| 69 | + ) | |
| 70 | + ); | |
| 71 | + | |
| 72 | + if ( $question_id ) { | |
| 73 | + // add default meta for new lesson | |
| 74 | + $default_meta = LP_Question::get_default_meta(); | |
| 75 | + | |
| 76 | + if ( is_array( $default_meta ) ) { | |
| 77 | + foreach ( $default_meta as $key => $value ) { | |
| 78 | + update_post_meta( $question_id, '_lp_' . $key, $value ); | |
| 79 | + } | |
| 80 | + } | |
| 81 | + update_post_meta( $question_id, '_lp_type', $args['type'] ); | |
| 82 | + // update user memory question types | |
| 83 | + get_user_meta( $user_id, '_learn_press_memorize_question_types', $args['type'] ); | |
| 84 | + | |
| 85 | + $question = LP_Question::get_question( $question_id, array( 'type' => $args['type'] ) ); | |
| 86 | + $question->set_type( $args['type'] ); | |
| 87 | + | |
| 88 | + // add question to quiz | |
| 89 | + if ( ! empty( $args['quiz_id'] ) ) { | |
| 90 | + $quiz_curd = new LP_Quiz_CURD(); | |
| 91 | + $quiz_curd->add_question( $args['quiz_id'], $question_id, $args['order'] ); | |
| 92 | + } | |
| 93 | + | |
| 94 | + if ( $args['create_answers'] ) { | |
| 95 | + $question->create_default_answers(); | |
| 96 | + } | |
| 97 | + | |
| 98 | + do_action( 'learn-press/after-create-question', $question ); | |
| 99 | + | |
| 100 | + return $question; | |
| 101 | + } | |
| 102 | + | |
| 103 | + return $question_id; | |
| 104 | + } | |
| 105 | + | |
| 106 | + | |
| 107 | + public function update( &$question ) { | |
| 108 | + return $question; | |
| 109 | + // TODO: Implement update() method. | |
| 110 | + } | |
| 111 | + | |
| 112 | + /** | |
| 113 | + * Delete all question's related data before run wp_delete_post(), hook to before delete question hook. | |
| 114 | + * | |
| 115 | + * @since 3.0.0 | |
| 116 | + * | |
| 117 | + * @param object $question_id | |
| 118 | + */ | |
| 119 | + public function delete( &$question_id ) { | |
| 120 | + // remove all answer of question from {$wpdb->prefix}learnpress_question_answers table | |
| 121 | + $this->clear( $question_id ); | |
| 122 | + | |
| 123 | + // quiz curd | |
| 124 | + $curd = new LP_Quiz_CURD(); | |
| 125 | + | |
| 126 | + // allow hook | |
| 127 | + do_action( 'learn-press/before-delete-question', $question_id ); | |
| 128 | + | |
| 129 | + // get the quizzes that a question is assigned to, return WP Post | |
| 130 | + $quiz = $this->get_quiz( $question_id ); | |
| 131 | + | |
| 132 | + // remove question from quiz | |
| 133 | + if ( $quiz ) { | |
| 134 | + $curd->remove_questions( $quiz->ID, $question_id ); | |
| 135 | + } | |
| 136 | + } | |
| 137 | + | |
| 138 | + /** | |
| 139 | + * Duplicate question. | |
| 140 | + * | |
| 141 | + * @since 3.0.0 | |
| 142 | + * | |
| 143 | + * @param $question_id | |
| 144 | + * @param array $args | |
| 145 | + * | |
| 146 | + * @return mixed|WP_Error | |
| 147 | + */ | |
| 148 | + public function duplicate( &$question_id, $args = array() ) { | |
| 149 | + if ( ! $question_id ) { | |
| 150 | + return new WP_Error( 'lp/question/curd/duplicate/err', 'Oops! ID not found' ); | |
| 151 | + } | |
| 152 | + | |
| 153 | + if ( learn_press_get_post_type( $question_id ) != LP_QUESTION_CPT ) { | |
| 154 | + return new WP_Error( 'lp/question/curd/duplicate/err', 'Op! The question does not exist' ); | |
| 155 | + } | |
| 156 | + | |
| 157 | + // ensure that user can create question | |
| 158 | + if ( ! current_user_can( 'edit_posts' ) ) { | |
| 159 | + return new WP_Error( 'lp/question/curd/duplicate/err', 'Sorry! You do not have permission to duplicate this question' ); | |
| 160 | + } | |
| 161 | + | |
| 162 | + // origin question | |
| 163 | + $question = LP_Question::get_question( $question_id ); | |
| 164 | + | |
| 165 | + // duplicate question | |
| 166 | + $new_question_id = learn_press_duplicate_post( $question_id, array( 'post_status' => 'publish' ) ); | |
| 167 | + | |
| 168 | + if ( ! $new_question_id || is_wp_error( $new_question_id ) ) { | |
| 169 | + return new WP_Error( 'lp/question/curd/duplicate/err', 'Sorry! Failed to duplicate the question!' ); | |
| 170 | + } else { | |
| 171 | + | |
| 172 | + // init new question | |
| 173 | + $new_question = LP_Question::get_question( $new_question_id ); | |
| 174 | + | |
| 175 | + // set data | |
| 176 | + $new_question->set_type( $question->get_type() ); | |
| 177 | + $new_question->set_data( 'answer_options', $question->get_data( 'answer_options' ) ); | |
| 178 | + | |
| 179 | + // trigger change user memorize question types | |
| 180 | + $user_id = get_current_user_id(); | |
| 181 | + update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_question->get_type() ); | |
| 182 | + | |
| 183 | + // duplicate answer | |
| 184 | + $this->duplicate_answer( $question_id, $new_question_id ); | |
| 185 | + | |
| 186 | + do_action( 'learn-press/item/after-duplicate', $question_id, $new_question_id, $args ); | |
| 187 | + | |
| 188 | + return $new_question_id; | |
| 189 | + } | |
| 190 | + } | |
| 191 | + | |
| 192 | + /** | |
| 193 | + * Duplicate answer question. | |
| 194 | + * | |
| 195 | + * @param $question_id | origin question | |
| 196 | + * @param $question_id_clone | new question | |
| 197 | + * @version 3.0.1 | |
| 198 | + * @since 1.0.1 | |
| 199 | + */ | |
| 200 | + public function duplicate_answer( $question_id, $question_id_clone ) { | |
| 201 | + $lp_db = LP_Database::getInstance(); | |
| 202 | + $lp_question_answers_db = LP_Question_Answers_DB::getInstance(); | |
| 203 | + | |
| 204 | + try { | |
| 205 | + // Get all answer of question | |
| 206 | + $filter_get_answer_options = new LP_Question_Answers_Filter(); | |
| 207 | + $filter_get_answer_options->question_ids = [ $question_id ]; | |
| 208 | + $answer_options = $lp_question_answers_db->get_question_answers( $filter_get_answer_options ); | |
| 209 | + | |
| 210 | + if ( $answer_options ) { | |
| 211 | + foreach ( $answer_options as $answer_option ) { | |
| 212 | + $question_answer_id = $answer_option->question_answer_id; | |
| 213 | + | |
| 214 | + // Insert new question_answer | |
| 215 | + $insert_question_answer_rs = $lp_db->wpdb->insert( | |
| 216 | + $lp_db->tb_lp_question_answers, | |
| 217 | + array( | |
| 218 | + 'question_id' => $question_id_clone, | |
| 219 | + 'title' => ! empty( $answer_option->title ) ? $answer_option->title : '', | |
| 220 | + 'value' => ! empty( $answer_option->value ) ? $answer_option->value : '', | |
| 221 | + 'is_true' => ! empty( $answer_option->is_true ) ? $answer_option->is_true : '', | |
| 222 | + 'order' => $answer_option->order, | |
| 223 | + ), | |
| 224 | + array( '%d', '%s', '%s', '%s', '%s' ) | |
| 225 | + ); | |
| 226 | + | |
| 227 | + if ( ! $insert_question_answer_rs ) { | |
| 228 | + throw new Exception( __( 'Failed to duplicate answer', 'learnpress' ) ); | |
| 229 | + } | |
| 230 | + | |
| 231 | + // Get question_answer_id have just inserted | |
| 232 | + $filter_question_answer_id = new LP_Question_Answers_Filter(); | |
| 233 | + $filter_question_answer_id->only_fields = [ 'MAX(question_answer_id)' ]; | |
| 234 | + $filter_question_answer_id->question_ids = [ $question_id_clone ]; | |
| 235 | + $filter_question_answer_id->return_string_query = true; | |
| 236 | + $question_answer_id_query = $lp_question_answers_db->get_question_answers( $filter_question_answer_id ); | |
| 237 | + $question_answer_id_new = (int) $lp_question_answers_db->wpdb->get_var( $question_answer_id_query ); | |
| 238 | + | |
| 239 | + if ( ! $question_answer_id_new ) { | |
| 240 | + throw new Exception( __( 'Failed to duplicate answer', 'learnpress' ) ); | |
| 241 | + } | |
| 242 | + | |
| 243 | + // Duplicate answer meta | |
| 244 | + // Get answer meta by question_answer_id | |
| 245 | + $filter_get = new LP_Question_Answermeta_Filter(); | |
| 246 | + $filter_get->collection = $lp_db->tb_lp_question_answermeta; | |
| 247 | + $filter_get->collection_alias = 'qam'; | |
| 248 | + $filter_get->field_count = 'meta_id'; | |
| 249 | + $filter_get->limit = -1; | |
| 250 | + $filter_get->where[] = $lp_db->wpdb->prepare( 'AND qam.learnpress_question_answer_id = %d', $question_answer_id ); | |
| 251 | + $filter_get->fields = $lp_db->get_cols_of_table( $lp_db->tb_lp_question_answermeta ); | |
| 252 | + $question_answermeta_rs = $lp_db->execute( $filter_get ); | |
| 253 | + | |
| 254 | + foreach ( $question_answermeta_rs as $question_answermeta ) { | |
| 255 | + $lp_db->wpdb->insert( | |
| 256 | + $lp_db->tb_lp_question_answermeta, | |
| 257 | + array( | |
| 258 | + 'learnpress_question_answer_id' => $question_answer_id_new, | |
| 259 | + 'meta_key' => $question_answermeta->meta_key, | |
| 260 | + 'meta_value' => $question_answermeta->meta_value, | |
| 261 | + ), | |
| 262 | + array( '%d', '%s', '%s' ) | |
| 263 | + ); | |
| 264 | + } | |
| 265 | + } | |
| 266 | + } | |
| 267 | + } catch ( Throwable $e ) { | |
| 268 | + error_log( $e->getMessage() ); | |
| 269 | + } | |
| 270 | + } | |
| 271 | + | |
| 272 | + /** | |
| 273 | + * @param LP_Question $question | |
| 274 | + * | |
| 275 | + * @return bool | |
| 276 | + * @throws Exception | |
| 277 | + */ | |
| 278 | + public function load( &$question ) { | |
| 279 | + // question id | |
| 280 | + $id = $question->get_id(); | |
| 281 | + | |
| 282 | + if ( ! $id || ! in_array( learn_press_get_post_type( $id ), array( 'revision', LP_QUESTION_CPT ) ) ) { | |
| 283 | + throw new Exception( sprintf( __( 'Invalid question with ID "%d".', 'learnpress' ), $id ) ); | |
| 284 | + } | |
| 285 | + | |
| 286 | + $question->set_explanation( get_post_meta( $id, '_lp_explanation', true ) ); | |
| 287 | + $question->set_hint( get_post_meta( $id, '_lp_hint', true ) ); | |
| 288 | + // $this->_load_answer_options( $question ); | |
| 289 | + $this->_load_meta( $question ); | |
| 290 | + | |
| 291 | + return true; | |
| 292 | + } | |
| 293 | + | |
| 294 | + /** | |
| 295 | + * @param $question | LP_Question | |
| 296 | + */ | |
| 297 | + protected function _load_meta( &$question ) { | |
| 298 | + $type = get_post_meta( $question->get_id(), '_lp_type', true ); | |
| 299 | + if ( ! learn_press_is_support_question_type( $type ) ) { | |
| 300 | + $type = 'true_or_false'; | |
| 301 | + } | |
| 302 | + // $question->set_type( $type ); | |
| 303 | + | |
| 304 | + $mark = $this->_get_question_mark( $question->get_id() ); | |
| 305 | + $question->set_mark( $mark ); | |
| 306 | + } | |
| 307 | + | |
| 308 | + public function _get_question_mark( $question_id ) { | |
| 309 | + | |
| 310 | + // Recheck _lp_mark @tungnx | |
| 311 | + $mark = get_post_meta( $question_id, '_lp_mark', true ) ? get_post_meta( $question_id, '_lp_mark', true ) : 0; | |
| 312 | + | |
| 313 | + $mark = abs( $mark ); | |
| 314 | + if ( ! $mark ) { | |
| 315 | + $mark = apply_filters( 'learn-press/question/default-mark', 1, $question_id ); | |
| 316 | + update_post_meta( $question_id, '_lp_mark', $mark ); | |
| 317 | + } | |
| 318 | + | |
| 319 | + return $mark; | |
| 320 | + } | |
| 321 | + | |
| 322 | + /** | |
| 323 | + * Get the quizzes that a question is assigned to. | |
| 324 | + * | |
| 325 | + * @since 3.0.0 | |
| 326 | + * | |
| 327 | + * @param $question_id | |
| 328 | + * | |
| 329 | + * @return null|object WP_Post | |
| 330 | + */ | |
| 331 | + public function get_quiz( $question_id ) { | |
| 332 | + global $wpdb; | |
| 333 | + | |
| 334 | + $query = $wpdb->prepare( | |
| 335 | + " | |
| 336 | + SELECT post.* FROM {$wpdb->posts} post | |
| 337 | + INNER JOIN {$wpdb->prefix}learnpress_quiz_questions quiz ON post.ID = quiz.quiz_id | |
| 338 | + WHERE quiz.question_id = %d | |
| 339 | + ", | |
| 340 | + $question_id | |
| 341 | + ); | |
| 342 | + | |
| 343 | + // get single row | |
| 344 | + return $wpdb->get_row( $query ); | |
| 345 | + } | |
| 346 | + | |
| 347 | + /** | |
| 348 | + * Change question type. | |
| 349 | + * | |
| 350 | + * @param $question LP_Question | |
| 351 | + * @param $new_type | |
| 352 | + * | |
| 353 | + * @return false|void | |
| 354 | + * @since 3.0.0 | |
| 355 | + * @version 1.0.1 | |
| 356 | + */ | |
| 357 | + public function change_question_type( &$question, $new_type ) { | |
| 358 | + if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { | |
| 359 | + return false; | |
| 360 | + } | |
| 361 | + | |
| 362 | + $question_id = $question->get_id(); | |
| 363 | + | |
| 364 | + // If not new Question or not change type return | |
| 365 | + $old_type = get_post_meta( $question_id, '_lp_type', true ); | |
| 366 | + if ( ! empty( $old_type ) && $old_type === $new_type ) { | |
| 367 | + return; | |
| 368 | + } | |
| 369 | + | |
| 370 | + $answer_options = $question->get_data( 'answer_options' ); | |
| 371 | + update_post_meta( $question_id, '_lp_type', $new_type ); | |
| 372 | + $question->set_type( $new_type ); | |
| 373 | + | |
| 374 | + $new_question = LP_Question::get_question( $question_id, array( 'force' => true ) ); | |
| 375 | + | |
| 376 | + if ( $new_question ) { | |
| 377 | + $user_id = get_current_user_id(); | |
| 378 | + update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_type ); | |
| 379 | + | |
| 380 | + if ( $old_type == 'multi_choice' && $new_type == 'single_choice' ) { | |
| 381 | + $func = '_convert_answers_multi_choice_to_single_choice'; | |
| 382 | + } elseif ( ( $old_type == 'multi_choice' || $old_type == 'single_choice' ) && 'true_or_false' == $new_type ) { | |
| 383 | + $func = '_convert_answers_to_true_or_false'; | |
| 384 | + } else { | |
| 385 | + // for rest, clear answer data and create default | |
| 386 | + $func = '_convert_default_answers'; | |
| 387 | + } | |
| 388 | + | |
| 389 | + if ( is_callable( array( $this, $func ) ) ) { | |
| 390 | + $answer_options = call_user_func_array( | |
| 391 | + array( $this, $func ), | |
| 392 | + array( | |
| 393 | + $question, | |
| 394 | + $new_question, | |
| 395 | + $answer_options, | |
| 396 | + ) | |
| 397 | + ); | |
| 398 | + } | |
| 399 | + | |
| 400 | + LP_Object_Cache::set( 'answer-options-' . $question_id, $answer_options, 'learn-press/questions' ); | |
| 401 | + $new_question->set_data( 'answer_options', $answer_options ); | |
| 402 | + | |
| 403 | + $question = $new_question; | |
| 404 | + } | |
| 405 | + } | |
| 406 | + | |
| 407 | + /** | |
| 408 | + * Update answer title | |
| 409 | + * | |
| 410 | + * @param $question_id | |
| 411 | + * @param $answer | |
| 412 | + * | |
| 413 | + * @return bool|false|int | |
| 414 | + */ | |
| 415 | + public function update_answer_title( $question_id, $answer ) { | |
| 416 | + if ( get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 417 | + return false; | |
| 418 | + } | |
| 419 | + | |
| 420 | + global $wpdb; | |
| 421 | + | |
| 422 | + // question data | |
| 423 | + $data = array( | |
| 424 | + 'data' => apply_filters( | |
| 425 | + 'learn-press/question/update-answer-data', | |
| 426 | + array( | |
| 427 | + 'title' => $answer['title'], | |
| 428 | + 'value' => $answer['value'] ?? '', | |
| 429 | + 'is_true' => $answer['is_true'] ?? '', | |
| 430 | + ) | |
| 431 | + ), | |
| 432 | + 'where' => array( | |
| 433 | + 'question_answer_id' => $answer['question_answer_id'], | |
| 434 | + 'question_id' => $question_id, | |
| 435 | + ), | |
| 436 | + ); | |
| 437 | + | |
| 438 | + $update = $wpdb->update( | |
| 439 | + $wpdb->learnpress_question_answers, | |
| 440 | + $data['data'], | |
| 441 | + $data['where'], | |
| 442 | + array( '%s', '%s', '%s' ), | |
| 443 | + array( '%d', '%d' ) | |
| 444 | + ); | |
| 445 | + | |
| 446 | + // Update for Fill in Blanks. | |
| 447 | + if ( ! empty( $answer['blanks'] ) ) { | |
| 448 | + $blanks = $answer['blanks']; | |
| 449 | + | |
| 450 | + /*if ( is_array( $blanks ) ) { | |
| 451 | + $question = LP_Question::get_question( $question_id ); | |
| 452 | + | |
| 453 | + foreach ( $blanks as $id => $blank ) { | |
| 454 | + $question->_blanks[ $blank['id'] ] = $blank; | |
| 455 | + } | |
| 456 | + }*/ | |
| 457 | + | |
| 458 | + learn_press_update_question_answer_meta( $answer['question_answer_id'], '_blanks', $blanks ); | |
| 459 | + } | |
| 460 | + | |
| 461 | + return $update; | |
| 462 | + } | |
| 463 | + | |
| 464 | + /** | |
| 465 | + * Update correct answer. | |
| 466 | + * | |
| 467 | + * @param $question LP_Question | |
| 468 | + * @param $correct | |
| 469 | + * | |
| 470 | + * @return bool | LP_Question | |
| 471 | + */ | |
| 472 | + public function change_correct_answer( $question, $correct ) { | |
| 473 | + if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { | |
| 474 | + return false; | |
| 475 | + } | |
| 476 | + | |
| 477 | + global $wpdb; | |
| 478 | + | |
| 479 | + $question_id = $question->get_id(); | |
| 480 | + $question_type = $question->get_type(); | |
| 481 | + $question_answers = $question->get_data( 'answer_options' ); | |
| 482 | + | |
| 483 | + $db_args = $answers = array(); | |
| 484 | + | |
| 485 | + foreach ( $question_answers as $index => $answer ) { | |
| 486 | + | |
| 487 | + $answer_data = array( | |
| 488 | + 'title' => $answer['title'], | |
| 489 | + 'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', | |
| 490 | + 'is_true' => isset( $answer['is_true'] ) ? $answer['is_true'] : '', | |
| 491 | + ); | |
| 492 | + | |
| 493 | + // update correct for select answer | |
| 494 | + if ( $answer['question_answer_id'] == $correct['question_answer_id'] ) { | |
| 495 | + $answer_data['is_true'] = $correct['is_true']; | |
| 496 | + } else { | |
| 497 | + // untrue all rest answer with True or false and Single choice question | |
| 498 | + if ( in_array( $question_type, array( 'true_or_false', 'single_choice' ) ) ) { | |
| 499 | + $answer_data['is_true'] = ''; | |
| 500 | + } | |
| 501 | + } | |
| 502 | + | |
| 503 | + // question answers data to set cache | |
| 504 | + $answers[ $index ] = array( | |
| 505 | + 'question_answer_id' => $answer['question_answer_id'], | |
| 506 | + 'question_id' => $question_id, | |
| 507 | + 'order' => $answer['order'], | |
| 508 | + 'title' => $answer_data['title'], | |
| 509 | + 'value' => $answer_data['value'], | |
| 510 | + 'is_true' => $answer_data['is_true'], | |
| 511 | + ); | |
| 512 | + | |
| 513 | + // new answers data | |
| 514 | + $db_args[ $index ] = array( | |
| 515 | + 'data' => array( | |
| 516 | + 'title' => $answer_data['title'], | |
| 517 | + 'value' => $answer_data['value'], | |
| 518 | + 'is_true' => $answer_data['is_true'], | |
| 519 | + ), | |
| 520 | + 'where' => array( | |
| 521 | + 'question_answer_id' => $answer['question_answer_id'], | |
| 522 | + 'question_id' => $question_id, | |
| 523 | + 'order' => $answer['order'], | |
| 524 | + ), | |
| 525 | + ); | |
| 526 | + } | |
| 527 | + | |
| 528 | + // update db | |
| 529 | + foreach ( $db_args as $id => $arg ) { | |
| 530 | + $wpdb->update( | |
| 531 | + $wpdb->learnpress_question_answers, | |
| 532 | + $arg['data'], | |
| 533 | + $arg['where'], | |
| 534 | + array( '%s', '%s', '%s' ), | |
| 535 | + array( '%d', '%d', '%d' ) | |
| 536 | + ); | |
| 537 | + } | |
| 538 | + | |
| 539 | + // set question answer data | |
| 540 | + $question->set_data( 'answer_options', $answers ); | |
| 541 | + | |
| 542 | + return $question; | |
| 543 | + } | |
| 544 | + | |
| 545 | + /** | |
| 546 | + * Sort answers. | |
| 547 | + * | |
| 548 | + * @since 3.0.0 | |
| 549 | + * | |
| 550 | + * @param $question_id | |
| 551 | + * @param array $order | |
| 552 | + * | |
| 553 | + * @return bool|LP_Question | |
| 554 | + */ | |
| 555 | + public function sort_answers( $question_id, $order = array() ) { | |
| 556 | + | |
| 557 | + if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 558 | + return false; | |
| 559 | + } | |
| 560 | + | |
| 561 | + if ( $order ) { | |
| 562 | + $question = LP_Question::get_question( $question_id ); | |
| 563 | + $answers = $question->get_data( 'answer_options' ); | |
| 564 | + | |
| 565 | + global $wpdb; | |
| 566 | + $new_answers = array(); | |
| 567 | + foreach ( $order as $index => $answer_id ) { | |
| 568 | + $wpdb->update( | |
| 569 | + $wpdb->learnpress_question_answers, | |
| 570 | + array( 'order' => $index + 1 ), | |
| 571 | + array( 'question_answer_id' => $answer_id ) | |
| 572 | + ); | |
| 573 | + | |
| 574 | + $new_answers[ $answer_id ] = $answers[ $answer_id ]; | |
| 575 | + } | |
| 576 | + | |
| 577 | + $question->set_data( 'answer_options', $new_answers ); | |
| 578 | + | |
| 579 | + return $question; | |
| 580 | + | |
| 581 | + } | |
| 582 | + | |
| 583 | + return false; | |
| 584 | + } | |
| 585 | + | |
| 586 | + /** | |
| 587 | + * Delete question answer. | |
| 588 | + * | |
| 589 | + * @param $question_id | |
| 590 | + * @param $answer_id | |
| 591 | + * @param $force | |
| 592 | + * | |
| 593 | + * @return bool|false|int | |
| 594 | + */ | |
| 595 | + public function delete_answer( $question_id, $answer_id, $force = false ) { | |
| 596 | + | |
| 597 | + if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 598 | + return false; | |
| 599 | + } | |
| 600 | + | |
| 601 | + $question = LP_Question::get_question( $question_id ); | |
| 602 | + | |
| 603 | + // exist answer options | |
| 604 | + $answers = $question->get_data( 'answer_options' ); | |
| 605 | + | |
| 606 | + global $wpdb; | |
| 607 | + | |
| 608 | + // Delete answer meta | |
| 609 | + $wpdb->delete( | |
| 610 | + $wpdb->learnpress_question_answermeta, | |
| 611 | + array( 'learnpress_question_answer_id' => $answer_id ) | |
| 612 | + ); | |
| 613 | + | |
| 614 | + $delete = $wpdb->delete( | |
| 615 | + $wpdb->learnpress_question_answers, | |
| 616 | + array( 'question_answer_id' => $answer_id ) | |
| 617 | + ); | |
| 618 | + if ( $delete ) { | |
| 619 | + unset( $answers[ $answer_id ] ); | |
| 620 | + $question->set_data( 'answer_options', $answers ); | |
| 621 | + | |
| 622 | + $this->sort_answers( $question_id, array_keys( $answers ) ); | |
| 623 | + } | |
| 624 | + | |
| 625 | + return $delete; | |
| 626 | + } | |
| 627 | + | |
| 628 | + /** | |
| 629 | + * Add new answer. | |
| 630 | + * | |
| 631 | + * @param $question_id | |
| 632 | + * @param $new_answer | |
| 633 | + * | |
| 634 | + * @return bool|false|int | |
| 635 | + */ | |
| 636 | + public function new_answer( $question_id, $new_answer ) { | |
| 637 | + if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { | |
| 638 | + return false; | |
| 639 | + } | |
| 640 | + | |
| 641 | + $question = LP_Question::get_question( $question_id ); | |
| 642 | + | |
| 643 | + // exist answer options | |
| 644 | + $answers = $question->get_data( 'answer_options' ); | |
| 645 | + // number answer options | |
| 646 | + $number = count( $answers ); | |
| 647 | + | |
| 648 | + if ( $question->get_type() === 'sorting_choice' ) { | |
| 649 | + $new_answer['is_true'] = 'yes'; | |
| 650 | + } | |
| 651 | + | |
| 652 | + global $wpdb; | |
| 653 | + | |
| 654 | + $new_answer = wp_parse_args( | |
| 655 | + $new_answer, | |
| 656 | + array( | |
| 657 | + 'question_id' => $question_id, | |
| 658 | + 'title' => '', | |
| 659 | + 'value' => learn_press_random_value(), | |
| 660 | + 'is_true' => '', | |
| 661 | + 'order' => $number + 1, | |
| 662 | + ) | |
| 663 | + ); | |
| 664 | + | |
| 665 | + $insert = $wpdb->insert( | |
| 666 | + $wpdb->learnpress_question_answers, | |
| 667 | + $new_answer, | |
| 668 | + learn_press_map_columns_format( | |
| 669 | + $new_answer, | |
| 670 | + array( | |
| 671 | + 'question_id' => '%d', | |
| 672 | + 'title' => '%s', | |
| 673 | + 'value' => '%s', | |
| 674 | + 'is_true' => '%s', | |
| 675 | + 'order' => '%d', | |
| 676 | + ) | |
| 677 | + ) | |
| 678 | + ); | |
| 679 | + | |
| 680 | + if ( $insert ) { | |
| 681 | + $new_answer['question_answer_id'] = $wpdb->insert_id; | |
| 682 | + | |
| 683 | + if ( is_array( $answers ) ) { | |
| 684 | + $answers = array_merge( $answers, array( $new_answer ) ); | |
| 685 | + } else { | |
| 686 | + $answers = array( $new_answer ); | |
| 687 | + } | |
| 688 | + $question->set_data( 'answer_options', $answers ); | |
| 689 | + } | |
| 690 | + | |
| 691 | + return $wpdb->insert_id; | |
| 692 | + } | |
| 693 | + | |
| 694 | + | |
| 695 | + /** | |
| 696 | + * Convert answers to true or false question. | |
| 697 | + * | |
| 698 | + * @since 3.0.0 | |
| 699 | + * | |
| 700 | + * @param $question | |
| 701 | + * @param $new_question | |
| 702 | + * @param $answers | |
| 703 | + * | |
| 704 | + * @return mixed | |
| 705 | + */ | |
| 706 | + protected function _convert_answers_to_true_or_false( $question, $new_question, $answers ) { | |
| 707 | + if ( is_array( $answers ) ) { | |
| 708 | + // array answer ids | |
| 709 | + $answer_ids = array_keys( $answers ); | |
| 710 | + | |
| 711 | + if ( sizeof( $answers ) > 2 ) { | |
| 712 | + global $wpdb; | |
| 713 | + | |
| 714 | + foreach ( $answers as $key => $answer ) { | |
| 715 | + if ( array_search( $key, $answer_ids ) > 1 ) { | |
| 716 | + $wpdb->delete( | |
| 717 | + $wpdb->learnpress_question_answers, | |
| 718 | + array( 'question_answer_id' => $answer['question_answer_id'] ) | |
| 719 | + ); | |
| 720 | + } | |
| 721 | + } | |
| 722 | + $answers = array_slice( $answers, 0, 2, true ); | |
| 723 | + } | |
| 724 | + | |
| 725 | + $correct = 0; | |
| 726 | + foreach ( $answers as $key => $answer ) { | |
| 727 | + if ( $answer['is_true'] == 'yes' ) { | |
| 728 | + $correct += 1; | |
| 729 | + } | |
| 730 | + } | |
| 731 | + | |
| 732 | + if ( ! $correct ) { | |
| 733 | + // for single choice deletes all correct, set first option is correct | |
| 734 | + $answers[ $answer_ids[0] ]['is_true'] = 'yes'; | |
| 735 | + } elseif ( $correct == 2 ) { | |
| 736 | + // for multiple choice keeps all correct, remove all correct and keep first option | |
| 737 | + $answers[ $answer_ids[1] ]['is_true'] = 'no'; | |
| 738 | + } | |
| 739 | + } | |
| 740 | + | |
| 741 | + return $answers; | |
| 742 | + } | |
| 743 | + | |
| 744 | + /** | |
| 745 | + * | |
| 746 | + * Convert answers for multi choice to single choice question. | |
| 747 | + * | |
| 748 | + * @since 3.0.0 | |
| 749 | + * | |
| 750 | + * @param $question | |
| 751 | + * @param $new_question | |
| 752 | + * @param $answers | |
| 753 | + * | |
| 754 | + * @return array | |
| 755 | + */ | |
| 756 | + protected function _convert_answers_multi_choice_to_single_choice( $question, $new_question, $answers ) { | |
| 757 | + if ( is_array( $answers ) ) { | |
| 758 | + // array answer ids | |
| 759 | + $answer_ids = array_keys( $answers ); | |
| 760 | + | |
| 761 | + $correct = 0; | |
| 762 | + foreach ( $answers as $key => $answer ) { | |
| 763 | + if ( $answer['is_true'] == 'yes' ) { | |
| 764 | + $correct += 1; | |
| 765 | + } | |
| 766 | + } | |
| 767 | + | |
| 768 | + if ( ! $correct ) { | |
| 769 | + $answers[ $answer_ids[0] ]['is_true'] = 'yes'; | |
| 770 | + } elseif ( $correct > 1 ) { | |
| 771 | + // remove all correct and keep first option | |
| 772 | + $answers[ $answer_ids[0] ]['is_true'] = 'no'; | |
| 773 | + } | |
| 774 | + } | |
| 775 | + | |
| 776 | + return $answers; | |
| 777 | + } | |
| 778 | + | |
| 779 | + /** | |
| 780 | + * Convert default answers. | |
| 781 | + * | |
| 782 | + * @param $question LP_Question | |
| 783 | + * @param $new_question LP_Question | |
| 784 | + * @param $answers | |
| 785 | + * | |
| 786 | + * @return array | |
| 787 | + */ | |
| 788 | + protected function _convert_default_answers( $question, $new_question, $answers ) { | |
| 789 | + $question_id = $question->get_id(); | |
| 790 | + // clear all exists answer | |
| 791 | + $this->clear( $question_id ); | |
| 792 | + // set default answer | |
| 793 | + $answer_options = $new_question->get_default_answers(); | |
| 794 | + | |
| 795 | + if ( is_array( $answer_options ) ) { | |
| 796 | + foreach ( $answer_options as $index => $answer ) { | |
| 797 | + $insert = array( | |
| 798 | + 'question_id' => $question_id, | |
| 799 | + 'title' => $answer['title'], | |
| 800 | + 'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', | |
| 801 | + 'is_true' => ( $answer['is_true'] == 'yes' ) ? $answer['is_true'] : '', | |
| 802 | + 'order' => $index + 1, | |
| 803 | + ); | |
| 804 | + $new_answers[] = $this->add_answer( $new_question->get_type(), $insert ); | |
| 805 | + }; | |
| 806 | + | |
| 807 | + return $new_answers; | |
| 808 | + } | |
| 809 | + | |
| 810 | + return $answers; | |
| 811 | + } | |
| 812 | + | |
| 813 | + /** | |
| 814 | + * Add question answer. | |
| 815 | + * | |
| 816 | + * @since 3.0.0 | |
| 817 | + * | |
| 818 | + * @param string $question_type | |
| 819 | + * @param array $args | |
| 820 | + * | |
| 821 | + * @return array|bool | |
| 822 | + */ | |
| 823 | + public function add_answer( $question_type = '', $args = array() ) { | |
| 824 | + global $wpdb; | |
| 825 | + | |
| 826 | + $question = LP_Question::get_question( $args['question_id'], array( 'type' => $question_type ) ); | |
| 827 | + | |
| 828 | + $wpdb->insert( | |
| 829 | + $wpdb->learnpress_question_answers, | |
| 830 | + array( | |
| 831 | + 'question_id' => $args['question_id'], | |
| 832 | + 'title' => $args['title'], | |
| 833 | + 'value' => $args['value'], | |
| 834 | + 'is_true' => $args['is_true'], | |
| 835 | + 'order' => $args['order'], | |
| 836 | + ), | |
| 837 | + array( '%d', '%s', '%s', '%s', '%d' ) | |
| 838 | + ); | |
| 839 | + | |
| 840 | + $question_answer_id = $wpdb->insert_id; | |
| 841 | + if ( $question_answer_id ) { | |
| 842 | + // update question answer option data | |
| 843 | + $answer_options = $question->get_data( 'answer_options' ) ? $question->get_data( 'answer_options' ) : array(); | |
| 844 | + | |
| 845 | + $new_answer_option_data = array( | |
| 846 | + 'question_answer_id' => $question_answer_id, | |
| 847 | + 'question_id' => $args['question_id'], | |
| 848 | + 'order' => $args['order'], | |
| 849 | + 'title' => $args['title'], | |
| 850 | + 'value' => $args['value'], | |
| 851 | + 'is_true' => $args['is_true'], | |
| 852 | + ); | |
| 853 | + | |
| 854 | + if ( ! $answer_options ) { | |
| 855 | + $question->set_data( 'answer_options', array( $new_answer_option_data ) ); | |
| 856 | + } else { | |
| 857 | + $answer_options[] = $new_answer_option_data; | |
| 858 | + $question->set_data( 'answer_options', $answer_options ); | |
| 859 | + } | |
| 860 | + | |
| 861 | + return $new_answer_option_data; | |
| 862 | + } else { | |
| 863 | + return false; | |
| 864 | + } | |
| 865 | + } | |
| 866 | + | |
| 867 | + /** | |
| 868 | + * Delete question answer. | |
| 869 | + * | |
| 870 | + * @since 3.0.0 | |
| 871 | + * | |
| 872 | + * @param $question_id | |
| 873 | + * @param $answer_id | |
| 874 | + * | |
| 875 | + * @return bool|false|int | |
| 876 | + */ | |
| 877 | + public function delete_question_answer( $question_id, $answer_id ) { | |
| 878 | + if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT || ! $answer_id ) { | |
| 879 | + return false; | |
| 880 | + } | |
| 881 | + | |
| 882 | + global $wpdb; | |
| 883 | + | |
| 884 | + $result = $wpdb->delete( | |
| 885 | + $wpdb->learnpress_question_answers, | |
| 886 | + array( 'question_answer_id' => $answer_id ) | |
| 887 | + ); | |
| 888 | + | |
| 889 | + return $result; | |
| 890 | + } | |
| 891 | + | |
| 892 | + /** | |
| 893 | + * Delete all question answers. | |
| 894 | + * | |
| 895 | + * @param $question_id | |
| 896 | + * | |
| 897 | + * @return bool|WP_Error | |
| 898 | + */ | |
| 899 | + public function clear( $question_id ) { | |
| 900 | + | |
| 901 | + if ( ! learn_press_get_question( $question_id ) ) { | |
| 902 | + return $this->get_error( 'QUESTION_NOT_EXISTS' ); | |
| 903 | + } | |
| 904 | + | |
| 905 | + do_action( 'learn-press/before-clear-question', $question_id ); | |
| 906 | + | |
| 907 | + global $wpdb; | |
| 908 | + $wpdb->delete( $wpdb->learnpress_question_answers, array( 'question_id' => $question_id ) ); | |
| 909 | + | |
| 910 | + return true; | |
| 911 | + } | |
| 912 | + | |
| 913 | + /** | |
| 914 | + * Load answer options for the question from database. | |
| 915 | + * Load from cache if data is already loaded into cache. | |
| 916 | + * Otherwise, load from database and put to cache. | |
| 917 | + * | |
| 918 | + * @param int $question_id | |
| 919 | + * | |
| 920 | + * @return array | |
| 921 | + */ | |
| 922 | + protected function _read_answers( $question_id ) { | |
| 923 | + global $wpdb; | |
| 924 | + | |
| 925 | + $query = $wpdb->prepare( | |
| 926 | + " | |
| 927 | + SELECT question_answer_id, title, value, is_true | |
| 928 | + FROM {$wpdb->prefix}learnpress_question_answers | |
| 929 | + WHERE question_id = %d | |
| 930 | + ORDER BY `order` ASC | |
| 931 | + ", | |
| 932 | + $question_id | |
| 933 | + ); | |
| 934 | + | |
| 935 | + $answer_options = array(); | |
| 936 | + | |
| 937 | + $results = $wpdb->get_results( $query ); | |
| 938 | + | |
| 939 | + if ( $results ) { | |
| 940 | + foreach ( $results as $k => $v ) { | |
| 941 | + $answer_option = array( | |
| 942 | + 'question_answer_id' => absint( $v->question_answer_id ), | |
| 943 | + 'title' => $v->title, | |
| 944 | + 'value' => $v->value, | |
| 945 | + 'is_true' => $v->is_true, | |
| 946 | + 'order' => $k + 1, // Need??? | |
| 947 | + ); | |
| 948 | + | |
| 949 | + $answer_options[ $v->question_answer_id ] = $answer_option; | |
| 950 | + } | |
| 951 | + } | |
| 952 | + | |
| 953 | + return $answer_options; | |
| 954 | + } | |
| 955 | + | |
| 956 | + /** | |
| 957 | + * Load question answers | |
| 958 | + * | |
| 959 | + * @updated 3.1.0 | |
| 960 | + * | |
| 961 | + * @param array|int $question_id | |
| 962 | + * | |
| 963 | + * @return array|bool | |
| 964 | + */ | |
| 965 | + public function load_answer_options( $question_id ) { | |
| 966 | + global $wpdb; | |
| 967 | + | |
| 968 | + $return_id = 0; | |
| 969 | + | |
| 970 | + if ( is_array( $question_id ) ) { | |
| 971 | + | |
| 972 | + foreach ( $question_id as $q_id ) { | |
| 973 | + $this->load_answer_options( $q_id ); | |
| 974 | + if ( ! $return_id ) { | |
| 975 | + $return_id = $q_id; | |
| 976 | + } | |
| 977 | + } | |
| 978 | + $question_id = $return_id; | |
| 979 | + } | |
| 980 | + | |
| 981 | + $answer_options = LP_Object_Cache::get( 'question-' . $question_id, 'question-answers' ); | |
| 982 | + | |
| 983 | + if ( false === $answer_options ) { | |
| 984 | + $answer_options = $this->_read_answers( $question_id ); | |
| 985 | + LP_Object_Cache::set( 'question-' . $question_id, $answer_options, 'question-answers' ); | |
| 986 | + } | |
| 987 | + | |
| 988 | + return $answer_options; | |
| 989 | + } | |
| 990 | + } | |
| 991 | +} | |
