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Quiz.php
1299 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Quize class |
| 5 | * |
| 6 | * @author: themeum |
| 7 | * @author_uri: https://themeum.com |
| 8 | * @package Tutor |
| 9 | * @since v.1.0.0 |
| 10 | */ |
| 11 | |
| 12 | namespace TUTOR; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) |
| 15 | exit; |
| 16 | |
| 17 | class Quiz { |
| 18 | |
| 19 | private $allowed_attributes = array( |
| 20 | 'src' => array(), |
| 21 | 'style' => array(), |
| 22 | 'class' => array(), |
| 23 | 'id' => array(), |
| 24 | 'href' => array(), |
| 25 | 'alt' => array(), |
| 26 | 'title' => array(), |
| 27 | 'type' => array(), |
| 28 | 'controls' => array(), |
| 29 | 'muted' => array(), |
| 30 | 'loop' => array(), |
| 31 | 'poster' => array(), |
| 32 | 'preload' => array(), |
| 33 | 'autoplay' => array(), |
| 34 | 'width' => array(), |
| 35 | 'height' => array() |
| 36 | ); |
| 37 | |
| 38 | private $allowed_html = array( 'img', 'b', 'i', 'br', 'a', 'audio', 'video', 'source' ); |
| 39 | |
| 40 | public function __construct() { |
| 41 | |
| 42 | add_action('save_post_tutor_quiz', array($this, 'save_quiz_meta')); |
| 43 | |
| 44 | add_action('wp_ajax_tutor_load_quiz_builder_modal', array($this, 'tutor_load_quiz_builder_modal')); |
| 45 | add_action('wp_ajax_remove_quiz_from_post', array($this, 'remove_quiz_from_post')); |
| 46 | |
| 47 | add_action('wp_ajax_tutor_quiz_timeout', array($this, 'tutor_quiz_timeout')); |
| 48 | |
| 49 | //User take the quiz |
| 50 | add_action('template_redirect', array($this, 'start_the_quiz')); |
| 51 | add_action('template_redirect', array($this, 'answering_quiz')); |
| 52 | add_action('template_redirect', array($this, 'finishing_quiz_attempt')); |
| 53 | |
| 54 | add_action('admin_action_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 55 | add_action('wp_ajax_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 56 | add_action('wp_ajax_tutor_instructor_feedback', array($this, 'tutor_instructor_feedback')); // Instructor Feedback Action |
| 57 | |
| 58 | /** |
| 59 | * New Design Quiz |
| 60 | */ |
| 61 | |
| 62 | add_action('wp_ajax_tutor_create_quiz_and_load_modal', array($this, 'tutor_create_quiz_and_load_modal')); |
| 63 | add_action('wp_ajax_tutor_delete_quiz_by_id', array($this, 'tutor_delete_quiz_by_id')); |
| 64 | add_action('wp_ajax_tutor_quiz_builder_quiz_update', array($this, 'tutor_quiz_builder_quiz_update')); |
| 65 | add_action('wp_ajax_tutor_load_edit_quiz_modal', array($this, 'tutor_load_edit_quiz_modal')); |
| 66 | add_action('wp_ajax_tutor_quiz_builder_get_question_form', array($this, 'tutor_quiz_builder_get_question_form')); |
| 67 | add_action('wp_ajax_tutor_quiz_modal_update_question', array($this, 'tutor_quiz_modal_update_question')); |
| 68 | add_action('wp_ajax_tutor_quiz_builder_question_delete', array($this, 'tutor_quiz_builder_question_delete')); |
| 69 | add_action('wp_ajax_tutor_quiz_add_question_answers', array($this, 'tutor_quiz_add_question_answers')); |
| 70 | add_action('wp_ajax_tutor_quiz_edit_question_answer', array($this, 'tutor_quiz_edit_question_answer')); |
| 71 | add_action('wp_ajax_tutor_save_quiz_answer_options', array($this, 'tutor_save_quiz_answer_options')); |
| 72 | add_action('wp_ajax_tutor_update_quiz_answer_options', array($this, 'tutor_update_quiz_answer_options')); |
| 73 | add_action('wp_ajax_tutor_quiz_builder_get_answers_by_question', array($this, 'tutor_quiz_builder_get_answers_by_question')); |
| 74 | add_action('wp_ajax_tutor_quiz_builder_delete_answer', array($this, 'tutor_quiz_builder_delete_answer')); |
| 75 | add_action('wp_ajax_tutor_quiz_question_sorting', array($this, 'tutor_quiz_question_sorting')); |
| 76 | add_action('wp_ajax_tutor_quiz_answer_sorting', array($this, 'tutor_quiz_answer_sorting')); |
| 77 | add_action('wp_ajax_tutor_mark_answer_as_correct', array($this, 'tutor_mark_answer_as_correct')); |
| 78 | add_action('wp_ajax_tutor_quiz_modal_update_settings', array($this, 'tutor_quiz_modal_update_settings')); |
| 79 | |
| 80 | /** |
| 81 | * Frontend Stuff |
| 82 | */ |
| 83 | add_action('wp_ajax_tutor_render_quiz_content', array($this, 'tutor_render_quiz_content')); |
| 84 | |
| 85 | /** |
| 86 | * Quiz abandon action |
| 87 | * |
| 88 | * @since 1.9.6 |
| 89 | */ |
| 90 | add_action('wp_ajax_tutor_quiz_abandon', array($this, 'tutor_quiz_abandon')); |
| 91 | |
| 92 | $this->prepare_allowed_html(); |
| 93 | } |
| 94 | |
| 95 | private function prepare_allowed_html() { |
| 96 | |
| 97 | $allowed = array(); |
| 98 | |
| 99 | foreach($this->allowed_html as $tag) { |
| 100 | $allowed[$tag] = $this->allowed_attributes; |
| 101 | } |
| 102 | |
| 103 | $this->allowed_html = $allowed; |
| 104 | } |
| 105 | |
| 106 | public function tutor_instructor_feedback(){ |
| 107 | tutils()->checking_nonce(); |
| 108 | |
| 109 | $feedback = sanitize_text_field($_POST['feedback']); |
| 110 | $attempt_id = (int) tutor_utils()->avalue_dot('attempts_id', $_POST); |
| 111 | |
| 112 | if ($attempt_id && tutils()->can_user_manage('attempt', $attempt_id)) { |
| 113 | update_post_meta($attempt_id, 'instructor_feedback', $feedback); |
| 114 | do_action('tutor_quiz/attempt/submitted/feedback', $attempt_id); |
| 115 | |
| 116 | wp_send_json_success( ); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | public function save_quiz_meta($post_ID){ |
| 121 | if (isset($_POST['quiz_option'])){ |
| 122 | $quiz_option = tutor_utils()->sanitize_array($_POST['quiz_option']); |
| 123 | update_post_meta($post_ID, 'tutor_quiz_option', $quiz_option); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Tutor Quiz Builder Modal |
| 129 | */ |
| 130 | public function tutor_load_quiz_builder_modal(){ |
| 131 | tutils()->checking_nonce(); |
| 132 | |
| 133 | ob_start(); |
| 134 | include tutor()->path.'views/modal/add_quiz.php'; |
| 135 | $output = ob_get_clean(); |
| 136 | |
| 137 | wp_send_json_success(array('output' => $output)); |
| 138 | } |
| 139 | |
| 140 | public function remove_quiz_from_post(){ |
| 141 | tutils()->checking_nonce(); |
| 142 | |
| 143 | global $wpdb; |
| 144 | $quiz_id = (int) tutor_utils()->avalue_dot('quiz_id', $_POST); |
| 145 | |
| 146 | if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 147 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 148 | } |
| 149 | |
| 150 | $wpdb->update($wpdb->posts, array('post_parent' => 0), array('ID' => $quiz_id) ); |
| 151 | wp_send_json_success(); |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * |
| 156 | * Start Quiz from here... |
| 157 | * |
| 158 | * @since v.1.0.0 |
| 159 | */ |
| 160 | |
| 161 | public function start_the_quiz(){ |
| 162 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_start_quiz' ){ |
| 163 | return; |
| 164 | } |
| 165 | //Checking nonce |
| 166 | tutor_utils()->checking_nonce(); |
| 167 | |
| 168 | if ( ! is_user_logged_in()){ |
| 169 | //TODO: need to set a view in the next version |
| 170 | die('Please sign in to do this operation'); |
| 171 | } |
| 172 | |
| 173 | global $wpdb; |
| 174 | |
| 175 | $user_id = get_current_user_id(); |
| 176 | $user = get_userdata($user_id); |
| 177 | |
| 178 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 179 | |
| 180 | $quiz = get_post($quiz_id); |
| 181 | $course = tutor_utils()->get_course_by_quiz($quiz_id); |
| 182 | if ( empty($course->ID)){ |
| 183 | die('There is something went wrong with course, please check if quiz attached with a course'); |
| 184 | } |
| 185 | |
| 186 | do_action('tutor_quiz/start/before', $quiz_id, $user_id); |
| 187 | |
| 188 | $date = date("Y-m-d H:i:s", tutor_time()); |
| 189 | |
| 190 | $tutor_quiz_option = (array) maybe_unserialize(get_post_meta($quiz_id, 'tutor_quiz_option', true)); |
| 191 | $attempts_allowed = tutor_utils()->get_quiz_option($quiz_id, 'attempts_allowed', 0); |
| 192 | |
| 193 | $time_limit = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_value'); |
| 194 | $time_limit_seconds = 0; |
| 195 | $time_type = 'seconds'; |
| 196 | if ($time_limit){ |
| 197 | $time_type = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_type'); |
| 198 | |
| 199 | switch ($time_type){ |
| 200 | case 'seconds': |
| 201 | $time_limit_seconds = $time_limit; |
| 202 | break; |
| 203 | case 'minutes': |
| 204 | $time_limit_seconds = $time_limit * 60; |
| 205 | break; |
| 206 | case 'hours': |
| 207 | $time_limit_seconds = $time_limit * 60 * 60; |
| 208 | break; |
| 209 | case 'days': |
| 210 | $time_limit_seconds = $time_limit * 60 * 60 * 24; |
| 211 | break; |
| 212 | case 'weeks': |
| 213 | $time_limit_seconds = $time_limit * 60 * 60 * 24 * 7; |
| 214 | break; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | $max_question_allowed = tutor_utils()->max_questions_for_take_quiz($quiz_id); |
| 219 | $tutor_quiz_option['time_limit']['time_limit_seconds'] = $time_limit_seconds; |
| 220 | |
| 221 | $attempt_data = array( |
| 222 | 'course_id' => $course->ID, |
| 223 | 'quiz_id' => $quiz_id, |
| 224 | 'user_id' => $user_id, |
| 225 | 'total_questions' => $max_question_allowed, |
| 226 | 'total_answered_questions' => 0, |
| 227 | 'attempt_info' => maybe_serialize($tutor_quiz_option), |
| 228 | 'attempt_status' => 'attempt_started', |
| 229 | 'attempt_ip' => tutor_utils()->get_ip(), |
| 230 | 'attempt_started_at' => $date, |
| 231 | ); |
| 232 | |
| 233 | $wpdb->insert($wpdb->prefix.'tutor_quiz_attempts', $attempt_data); |
| 234 | $attempt_id = (int) $wpdb->insert_id; |
| 235 | |
| 236 | do_action('tutor_quiz/start/after', $quiz_id, $user_id, $attempt_id); |
| 237 | |
| 238 | wp_redirect(get_permalink($quiz_id)); |
| 239 | die(); |
| 240 | } |
| 241 | |
| 242 | public function answering_quiz(){ |
| 243 | |
| 244 | if ( tutils()->array_get('tutor_action', $_POST) !== 'tutor_answering_quiz_question' ){ |
| 245 | return; |
| 246 | } |
| 247 | //submit quiz attempts |
| 248 | self::tutor_quiz_attemp_submit(); |
| 249 | |
| 250 | wp_redirect(get_the_permalink()); |
| 251 | die(); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Quiz abandon submission handler |
| 256 | * |
| 257 | * @return JSON response |
| 258 | * |
| 259 | * @since 1.9.6 |
| 260 | */ |
| 261 | public function tutor_quiz_abandon(){ |
| 262 | if ( tutils()->array_get('tutor_action', $_POST) !== 'tutor_answering_quiz_question' ){ |
| 263 | return; |
| 264 | } |
| 265 | //submit quiz attempts |
| 266 | if ( self::tutor_quiz_attemp_submit() ) { |
| 267 | wp_send_json_success(); |
| 268 | } else { |
| 269 | wp_send_json_error(); |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * This is a unified method for handling normal quiz submit or abandon submit |
| 275 | * |
| 276 | * It will handle ajax or normal form submit and can be used with different hooks |
| 277 | * |
| 278 | * @return true | false |
| 279 | * |
| 280 | * @since 1.9.6 |
| 281 | */ |
| 282 | public static function tutor_quiz_attemp_submit() { |
| 283 | tutor_utils()->checking_nonce(); |
| 284 | |
| 285 | $attempt_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('attempt_id', $_POST)); |
| 286 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 287 | |
| 288 | $attempt_answers = isset($_POST['attempt']) ? $_POST['attempt'] : false; |
| 289 | if ( ! is_user_logged_in()){ |
| 290 | die('Please sign in to do this operation'); |
| 291 | } |
| 292 | |
| 293 | global $wpdb; |
| 294 | $user_id = get_current_user_id(); |
| 295 | |
| 296 | do_action('tutor_quiz/attempt_analysing/before', $attempt_id); |
| 297 | |
| 298 | if ($attempt_answers && is_array($attempt_answers) && count($attempt_answers)){ |
| 299 | foreach ($attempt_answers as $attempt_id => $attempt_answer){ |
| 300 | |
| 301 | /** |
| 302 | * Get total marks of all question comes |
| 303 | */ |
| 304 | $question_ids = tutor_utils()->avalue_dot('quiz_question_ids', $attempt_answer); |
| 305 | if (is_array($question_ids) && count($question_ids)){ |
| 306 | $question_ids_string = "'".implode("','", $question_ids)."'"; |
| 307 | $total_question_marks = $wpdb->get_var("SELECT SUM(question_mark) FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id IN({$question_ids_string}) ;"); |
| 308 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', array('total_marks' =>$total_question_marks ), array('attempt_id' => $attempt_id )); |
| 309 | } |
| 310 | |
| 311 | if ( ! $attempt || $user_id != $attempt->user_id){ |
| 312 | die('Operation not allowed, attempt not found or permission denied'); |
| 313 | } |
| 314 | |
| 315 | $quiz_answers = tutor_utils()->avalue_dot('quiz_question', $attempt_answer); |
| 316 | |
| 317 | $total_marks = 0; |
| 318 | $review_required = false; |
| 319 | |
| 320 | if ( tutils()->count($quiz_answers)) { |
| 321 | |
| 322 | foreach ( $quiz_answers as $question_id => $answers ) { |
| 323 | $question = tutor_utils()->get_quiz_question_by_id( $question_id ); |
| 324 | $question_type = $question->question_type; |
| 325 | |
| 326 | $is_answer_was_correct = false; |
| 327 | $given_answer = ''; |
| 328 | |
| 329 | if ( $question_type === 'true_false' || $question_type === 'single_choice' ) { |
| 330 | |
| 331 | if(!is_numeric($answers) || !$answers) { |
| 332 | wp_send_json_error(); |
| 333 | exit; |
| 334 | } |
| 335 | |
| 336 | $given_answer = $answers; |
| 337 | $is_answer_was_correct = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT is_correct FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = %d ", $answers ) ); |
| 338 | |
| 339 | } elseif ( $question_type === 'multiple_choice' ) { |
| 340 | |
| 341 | $given_answer = (array) ( $answers ); |
| 342 | |
| 343 | $given_answer = array_filter( $given_answer, function($id) { |
| 344 | return is_numeric($id) && $id>0; |
| 345 | } ); |
| 346 | |
| 347 | $get_original_answers = (array) $wpdb->get_col($wpdb->prepare( |
| 348 | "SELECT |
| 349 | answer_id |
| 350 | FROM |
| 351 | {$wpdb->prefix}tutor_quiz_question_answers |
| 352 | WHERE |
| 353 | belongs_question_id = %d |
| 354 | AND belongs_question_type = %s |
| 355 | AND is_correct = 1 ; |
| 356 | ", |
| 357 | $question->question_id, |
| 358 | $question_type |
| 359 | ) ); |
| 360 | |
| 361 | |
| 362 | if (count(array_diff($get_original_answers, $given_answer)) === 0 && count($get_original_answers) === count($given_answer)) { |
| 363 | $is_answer_was_correct = true; |
| 364 | } |
| 365 | $given_answer = maybe_serialize( $answers ); |
| 366 | |
| 367 | } elseif ( $question_type === 'fill_in_the_blank' ) { |
| 368 | |
| 369 | $given_answer = (array) array_map( 'sanitize_text_field', $answers ); |
| 370 | $given_answer = maybe_serialize( $given_answer ); |
| 371 | |
| 372 | $get_original_answer = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = %d AND belongs_question_type = %s ;", $question->question_id, $question_type ) ); |
| 373 | $gap_answer = (array) explode( '|', $get_original_answer->answer_two_gap_match ); |
| 374 | |
| 375 | $gap_answer = array_map( 'sanitize_text_field', $gap_answer ); |
| 376 | if ( strtolower($given_answer) == strtolower(maybe_serialize( $gap_answer )) ) { |
| 377 | $is_answer_was_correct = true; |
| 378 | } |
| 379 | } elseif ( $question_type === 'open_ended' || $question_type === 'short_answer' ) { |
| 380 | $review_required = true; |
| 381 | $given_answer = wp_kses_post( $answers ); |
| 382 | |
| 383 | } elseif ( $question_type === 'ordering' || $question_type === 'matching' || $question_type === 'image_matching' ) { |
| 384 | |
| 385 | $given_answer = (array) array_map( 'sanitize_text_field', tutor_utils()->avalue_dot( 'answers', $answers ) ); |
| 386 | $given_answer = maybe_serialize( $given_answer ); |
| 387 | |
| 388 | $get_original_answers = (array) $wpdb->get_col($wpdb->prepare( |
| 389 | "SELECT answer_id |
| 390 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 391 | WHERE belongs_question_id = %d AND belongs_question_type = %s ORDER BY answer_order ASC ;", $question->question_id, $question_type)); |
| 392 | |
| 393 | $get_original_answers = array_map( 'sanitize_text_field', $get_original_answers ); |
| 394 | |
| 395 | if ( $given_answer == maybe_serialize( $get_original_answers ) ) { |
| 396 | $is_answer_was_correct = true; |
| 397 | } |
| 398 | |
| 399 | } elseif ( $question_type === 'image_answering' ) { |
| 400 | $image_inputs = tutor_utils()->avalue_dot( 'answer_id', $answers ); |
| 401 | $image_inputs = (array) array_map( 'sanitize_text_field', $image_inputs ); |
| 402 | $given_answer = maybe_serialize( $image_inputs ); |
| 403 | $is_answer_was_correct = false; |
| 404 | |
| 405 | $db_answer = $wpdb->get_col($wpdb->prepare( |
| 406 | "SELECT answer_title |
| 407 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 408 | WHERE belongs_question_id = %d AND belongs_question_type = 'image_answering' ORDER BY answer_order asc ;", $question_id)); |
| 409 | |
| 410 | if ( is_array( $db_answer ) && count( $db_answer ) ) { |
| 411 | $is_answer_was_correct = ( strtolower( maybe_serialize( array_values( $image_inputs ) ) ) == strtolower( maybe_serialize( $db_answer ) ) ); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | $question_mark = $is_answer_was_correct ? $question->question_mark : 0; |
| 416 | $total_marks += $question_mark; |
| 417 | |
| 418 | $answers_data = array( |
| 419 | 'user_id' => $user_id, |
| 420 | 'quiz_id' => $attempt->quiz_id, |
| 421 | 'question_id' => $question_id, |
| 422 | 'quiz_attempt_id' => $attempt_id, |
| 423 | 'given_answer' => $given_answer, |
| 424 | 'question_mark' => $question->question_mark, |
| 425 | 'achieved_mark' => $question_mark, |
| 426 | 'minus_mark' => 0, |
| 427 | 'is_correct' => $is_answer_was_correct ? 1 : 0, |
| 428 | ); |
| 429 | |
| 430 | /* |
| 431 | check if question_type open ended or short ans the set is_correct default value null before saving |
| 432 | */ |
| 433 | if($question_type==="open_ended" || $question_type ==="short_answer") |
| 434 | { |
| 435 | $answers_data['is_correct'] = NULL; |
| 436 | } |
| 437 | |
| 438 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answers_data ); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | $attempt_info = array( |
| 443 | 'total_answered_questions' => tutils()->count($quiz_answers), |
| 444 | 'earned_marks' => $total_marks, |
| 445 | 'attempt_status' => 'attempt_ended', |
| 446 | 'attempt_ended_at' => date("Y-m-d H:i:s", tutor_time()), |
| 447 | ); |
| 448 | |
| 449 | if ($review_required){ |
| 450 | $attempt_info['attempt_status'] = 'review_required'; |
| 451 | } |
| 452 | |
| 453 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 454 | } |
| 455 | |
| 456 | do_action('tutor_quiz/attempt_ended', $attempt_id); |
| 457 | return true; |
| 458 | } |
| 459 | return false; |
| 460 | } |
| 461 | |
| 462 | |
| 463 | /** |
| 464 | * Quiz attempt will be finish here |
| 465 | * |
| 466 | */ |
| 467 | |
| 468 | public function finishing_quiz_attempt(){ |
| 469 | |
| 470 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_finish_quiz_attempt' ){ |
| 471 | return; |
| 472 | } |
| 473 | //Checking nonce |
| 474 | tutor_utils()->checking_nonce(); |
| 475 | |
| 476 | if ( ! is_user_logged_in()){ |
| 477 | die('Please sign in to do this operation'); |
| 478 | } |
| 479 | |
| 480 | global $wpdb; |
| 481 | |
| 482 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 483 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 484 | $attempt_id = $attempt->attempt_id; |
| 485 | |
| 486 | $attempt_info = array( |
| 487 | 'total_answered_questions' => 0, |
| 488 | 'earned_marks' => 0, |
| 489 | 'attempt_status' => 'attempt_ended', |
| 490 | 'attempt_ended_at' => date("Y-m-d H:i:s", tutor_time()), |
| 491 | ); |
| 492 | |
| 493 | do_action('tutor_quiz_before_finish', $attempt_id, $quiz_id, $attempt->user_id); |
| 494 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 495 | do_action('tutor_quiz_finished', $attempt_id, $quiz_id, $attempt->user_id); |
| 496 | |
| 497 | wp_redirect(tutor_utils()->input_old('_wp_http_referer')); |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * Quiz timeout by ajax |
| 502 | */ |
| 503 | public function tutor_quiz_timeout(){ |
| 504 | tutils()->checking_nonce(); |
| 505 | |
| 506 | global $wpdb; |
| 507 | |
| 508 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 509 | |
| 510 | // if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 511 | // wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 512 | // } |
| 513 | |
| 514 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 515 | |
| 516 | if ($attempt) { |
| 517 | $attempt_id = $attempt->attempt_id; |
| 518 | |
| 519 | $data = array( |
| 520 | 'attempt_status' => 'attempt_timeout', |
| 521 | 'attempt_ended_at' => date("Y-m-d H:i:s", tutor_time()), |
| 522 | ); |
| 523 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $data, array('attempt_id' => $attempt->attempt_id)); |
| 524 | |
| 525 | do_action('tutor_quiz_timeout', $attempt_id, $quiz_id, $attempt->user_id); |
| 526 | |
| 527 | wp_send_json_success(); |
| 528 | } |
| 529 | |
| 530 | wp_send_json_error(__('Quiz has been timeout already', 'tutor')); |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * Review the answer and change individual answer result |
| 535 | */ |
| 536 | |
| 537 | public function review_quiz_answer() { |
| 538 | |
| 539 | tutils()->checking_nonce(strtolower($_SERVER['REQUEST_METHOD'])); |
| 540 | |
| 541 | global $wpdb; |
| 542 | |
| 543 | $attempt_id = (int) sanitize_text_field($_GET['attempt_id']); |
| 544 | $attempt_answer_id = (int) sanitize_text_field($_GET['attempt_answer_id']); |
| 545 | $mark_as = sanitize_text_field($_GET['mark_as']); |
| 546 | |
| 547 | if(!tutils()->can_user_manage('attempt', $attempt_id) || !tutils()->can_user_manage('attempt_answer', $attempt_answer_id)) { |
| 548 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 549 | } |
| 550 | |
| 551 | $attempt_answer = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE attempt_answer_id = %d ", $attempt_answer_id)); |
| 552 | |
| 553 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 554 | $question = tutils()->get_quiz_question_by_id($attempt_answer->question_id); |
| 555 | |
| 556 | $previous_ans = $attempt_answer->is_correct; |
| 557 | |
| 558 | do_action('tutor_quiz_review_answer_before', $attempt_answer_id, $attempt_id, $mark_as); |
| 559 | |
| 560 | if ($mark_as === 'correct'){ |
| 561 | |
| 562 | $answer_update_data = array( |
| 563 | 'achieved_mark' => $attempt_answer->question_mark, |
| 564 | 'is_correct' => 1, |
| 565 | ); |
| 566 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 567 | if($previous_ans ==0 OR $previous_ans ==null) |
| 568 | { |
| 569 | |
| 570 | //if previous answer was wrong or in review then add point as correct |
| 571 | $attempt_update_data = array( |
| 572 | 'earned_marks' => $attempt->earned_marks + $attempt_answer->question_mark, |
| 573 | 'is_manually_reviewed' => 1, |
| 574 | 'manually_reviewed_at' => date("Y-m-d H:i:s", tutor_time()), |
| 575 | ); |
| 576 | |
| 577 | |
| 578 | } |
| 579 | |
| 580 | if ($question->question_type === 'open_ended' || $question->question_type === 'short_answer' ){ |
| 581 | $attempt_update_data['attempt_status'] = 'attempt_ended'; |
| 582 | } |
| 583 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 584 | } |
| 585 | elseif($mark_as === 'incorrect') |
| 586 | { |
| 587 | |
| 588 | $answer_update_data = array( |
| 589 | 'achieved_mark' => '0.00', |
| 590 | 'is_correct' => 0, |
| 591 | ); |
| 592 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 593 | |
| 594 | |
| 595 | if($previous_ans ==1) |
| 596 | { |
| 597 | |
| 598 | //if previous ans was right then mynus |
| 599 | $attempt_update_data = array( |
| 600 | 'earned_marks' => $attempt->earned_marks - $attempt_answer->question_mark, |
| 601 | 'is_manually_reviewed' => 1, |
| 602 | 'manually_reviewed_at' => date("Y-m-d H:i:s", tutor_time()), |
| 603 | ); |
| 604 | |
| 605 | } |
| 606 | if ($question->question_type === 'open_ended' || $question->question_type === 'short_answer' ){ |
| 607 | $attempt_update_data['attempt_status'] = 'attempt_ended'; |
| 608 | } |
| 609 | |
| 610 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 611 | } |
| 612 | do_action('tutor_quiz_review_answer_after', $attempt_answer_id, $attempt_id, $mark_as); |
| 613 | |
| 614 | if (wp_doing_ajax()) |
| 615 | { |
| 616 | wp_send_json_success(); |
| 617 | } |
| 618 | else{ |
| 619 | wp_redirect(admin_url("admin.php?page=tutor_quiz_attempts&sub_page=view_attempt&attempt_id=".$attempt_id)); |
| 620 | } |
| 621 | |
| 622 | die(); |
| 623 | } |
| 624 | |
| 625 | |
| 626 | /** |
| 627 | * New Design Quiz |
| 628 | */ |
| 629 | public function tutor_create_quiz_and_load_modal(){ |
| 630 | tutils()->checking_nonce(); |
| 631 | |
| 632 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 633 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 634 | $quiz_description = wp_kses( $_POST['quiz_description'], $this->allowed_html ); |
| 635 | $next_order_id = tutor_utils()->get_next_course_content_order_id($topic_id); |
| 636 | |
| 637 | if(!tutils()->can_user_manage('topic', $topic_id)) { |
| 638 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor'), 'data'=>$_POST) ); |
| 639 | } |
| 640 | |
| 641 | $post_arr = array( |
| 642 | 'post_type' => 'tutor_quiz', |
| 643 | 'post_title' => $quiz_title, |
| 644 | 'post_content' => $quiz_description, |
| 645 | 'post_status' => 'publish', |
| 646 | 'post_author' => get_current_user_id(), |
| 647 | 'post_parent' => $topic_id, |
| 648 | 'menu_order' => $next_order_id, |
| 649 | ); |
| 650 | $quiz_id = wp_insert_post( $post_arr ); |
| 651 | do_action('tutor_initial_quiz_created', $quiz_id); |
| 652 | |
| 653 | ob_start(); |
| 654 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 655 | $output = ob_get_clean(); |
| 656 | |
| 657 | ob_start(); |
| 658 | ?> |
| 659 | <div id="tutor-quiz-<?php echo $quiz_id; ?>" class="course-content-item tutor-quiz tutor-quiz-<?php echo $quiz_id; ?>"> |
| 660 | <div class="tutor-lesson-top"> |
| 661 | <i class="tutor-icon-move"></i> |
| 662 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 663 | ?>"> <i class=" tutor-icon-doubt"></i>[<?php _e('QUIZ', 'tutor'); ?>] <?php echo stripslashes($quiz_title); ?> </a> |
| 664 | <?php do_action('tutor_course_builder_before_quiz_btn_action', $quiz_id); ?> |
| 665 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 666 | </div> |
| 667 | </div> |
| 668 | <?php |
| 669 | $output_quiz_row = ob_get_clean(); |
| 670 | |
| 671 | wp_send_json_success(array('output' => $output, 'output_quiz_row' => $output_quiz_row)); |
| 672 | } |
| 673 | |
| 674 | public function tutor_delete_quiz_by_id(){ |
| 675 | tutils()->checking_nonce(); |
| 676 | |
| 677 | global $wpdb; |
| 678 | |
| 679 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 680 | $post = get_post($quiz_id); |
| 681 | |
| 682 | |
| 683 | if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 684 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 685 | } |
| 686 | |
| 687 | if ( $post->post_type === 'tutor_quiz'){ |
| 688 | do_action('tutor_delete_quiz_before', $quiz_id); |
| 689 | |
| 690 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempts', array('quiz_id' => $quiz_id)); |
| 691 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempt_answers', array('quiz_id' => $quiz_id)); |
| 692 | |
| 693 | $questions_ids = $wpdb->get_col($wpdb->prepare("SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = %d ", $quiz_id)); |
| 694 | |
| 695 | if (is_array($questions_ids) && count($questions_ids)){ |
| 696 | $in_question_ids = "'".implode("','", $questions_ids)."'"; |
| 697 | $wpdb->query("DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) "); |
| 698 | } |
| 699 | |
| 700 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('quiz_id' => $quiz_id)); |
| 701 | |
| 702 | wp_delete_post($quiz_id, true); |
| 703 | delete_post_meta($quiz_id, '_tutor_course_id_for_lesson'); |
| 704 | |
| 705 | do_action('tutor_delete_quiz_after', $quiz_id); |
| 706 | |
| 707 | |
| 708 | wp_send_json_success(); |
| 709 | } |
| 710 | |
| 711 | wp_send_json_error(); |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * Update Quiz from quiz builder modal |
| 716 | * |
| 717 | * @since v.1.0.0 |
| 718 | */ |
| 719 | public function tutor_quiz_builder_quiz_update(){ |
| 720 | tutils()->checking_nonce(); |
| 721 | |
| 722 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 723 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 724 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 725 | $quiz_description = wp_kses( $_POST['quiz_description'], $this->allowed_html ); |
| 726 | |
| 727 | if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 728 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 729 | } |
| 730 | |
| 731 | $post_arr = array( |
| 732 | 'ID' => $quiz_id, |
| 733 | 'post_title' => $quiz_title, |
| 734 | 'post_content' => $quiz_description, |
| 735 | |
| 736 | ); |
| 737 | $quiz_id = wp_update_post( $post_arr ); |
| 738 | |
| 739 | do_action('tutor_quiz_updated', $quiz_id); |
| 740 | |
| 741 | ob_start(); |
| 742 | ?> |
| 743 | <div class="tutor-lesson-top"> |
| 744 | <i class="tutor-icon-move"></i> |
| 745 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 746 | ?>"> <i class=" tutor-icon-doubt"></i>[<?php _e('QUIZ', 'tutor'); ?>] <?php echo stripslashes($quiz_title); ?> </a> |
| 747 | <?php do_action('tutor_course_builder_before_quiz_btn_action', $quiz_id); ?> |
| 748 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 749 | </div> |
| 750 | <?php |
| 751 | $output_quiz_row = ob_get_clean(); |
| 752 | |
| 753 | wp_send_json_success(array('output_quiz_row' => $output_quiz_row)); |
| 754 | } |
| 755 | |
| 756 | /** |
| 757 | * Load quiz Modal for edit quiz |
| 758 | * |
| 759 | * @since v.1.0.0 |
| 760 | */ |
| 761 | public function tutor_load_edit_quiz_modal(){ |
| 762 | tutils()->checking_nonce(); |
| 763 | |
| 764 | $quiz_id = sanitize_text_field ($_POST['quiz_id'] ); |
| 765 | $topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 766 | |
| 767 | if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 768 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 769 | } |
| 770 | |
| 771 | ob_start(); |
| 772 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 773 | $output = ob_get_clean(); |
| 774 | |
| 775 | wp_send_json_success(array('output' => $output)); |
| 776 | } |
| 777 | |
| 778 | /** |
| 779 | * Load quiz question form for quiz |
| 780 | * |
| 781 | * @since v.1.0.0 |
| 782 | */ |
| 783 | public function tutor_quiz_builder_get_question_form(){ |
| 784 | tutils()->checking_nonce(); |
| 785 | |
| 786 | global $wpdb; |
| 787 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 788 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 789 | |
| 790 | if(!tutils()->can_user_manage('quiz', $quiz_id)) { |
| 791 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 792 | } |
| 793 | |
| 794 | if ( ! $question_id){ |
| 795 | $next_question_id = tutor_utils()->quiz_next_question_id(); |
| 796 | $next_question_order = tutor_utils()->quiz_next_question_order_id($quiz_id); |
| 797 | |
| 798 | $new_question_data = array( |
| 799 | 'quiz_id' => $quiz_id, |
| 800 | 'question_title' => __('Question', 'tutor').' '.$next_question_id, |
| 801 | 'question_description' => '', |
| 802 | 'question_type' => 'true_false', |
| 803 | 'question_mark' => 1, |
| 804 | 'question_settings' => maybe_serialize(array()), |
| 805 | 'question_order' => esc_sql( $next_question_order ) , |
| 806 | ); |
| 807 | |
| 808 | $wpdb->insert($wpdb->prefix.'tutor_quiz_questions', $new_question_data); |
| 809 | $question_id = $wpdb->insert_id; |
| 810 | } |
| 811 | |
| 812 | $question = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions where question_id = %d ", $question_id)); |
| 813 | |
| 814 | ob_start(); |
| 815 | include tutor()->path.'views/modal/question_form.php'; |
| 816 | $output = ob_get_clean(); |
| 817 | |
| 818 | wp_send_json_success(array('output' => $output)); |
| 819 | } |
| 820 | |
| 821 | public function tutor_quiz_modal_update_question(){ |
| 822 | tutils()->checking_nonce(); |
| 823 | |
| 824 | global $wpdb; |
| 825 | |
| 826 | $question_data = $_POST['tutor_quiz_question']; |
| 827 | |
| 828 | foreach ($question_data as $question_id => $question) { |
| 829 | |
| 830 | if(!tutils()->can_user_manage('question', $question_id)) { |
| 831 | continue; |
| 832 | } |
| 833 | |
| 834 | $question_title = sanitize_text_field($question['question_title']); |
| 835 | $question_description = wp_kses( $question['question_description'], $this->allowed_html ); // sanitize_text_field($question['question_description']); |
| 836 | $question_type = sanitize_text_field($question['question_type']); |
| 837 | $question_mark = sanitize_text_field($question['question_mark']); |
| 838 | |
| 839 | unset($question['question_title']); |
| 840 | unset($question['question_description']); |
| 841 | |
| 842 | $data = array( |
| 843 | 'question_title' => $question_title, |
| 844 | 'question_description' => $question_description, |
| 845 | 'question_type' => $question_type, |
| 846 | 'question_mark' => $question_mark, |
| 847 | 'question_settings' => maybe_serialize($question), |
| 848 | ); |
| 849 | |
| 850 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', $data, array('question_id' => $question_id) ); |
| 851 | |
| 852 | |
| 853 | /** |
| 854 | * Validation |
| 855 | */ |
| 856 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 857 | $question_options = tutils()->get_answers_by_quiz_question($question_id); |
| 858 | if (tutils()->count($question_options)){ |
| 859 | $required_validate = true; |
| 860 | foreach ($question_options as $question_option){ |
| 861 | if ($question_option->is_correct){ |
| 862 | $required_validate = false; |
| 863 | } |
| 864 | } |
| 865 | if ($required_validate){ |
| 866 | $validation_msg = "<p class='tutor-error-msg'>".__('Please select the correct answer', 'tutor')."</p>"; |
| 867 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 868 | } |
| 869 | }else{ |
| 870 | $validation_msg = "<p class='tutor-error-msg'>".__('Please make sure you have added more than one option and saved them', 'tutor')."</p>"; |
| 871 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 872 | } |
| 873 | } |
| 874 | } |
| 875 | |
| 876 | wp_send_json_success(); |
| 877 | } |
| 878 | |
| 879 | public function tutor_quiz_builder_question_delete(){ |
| 880 | tutils()->checking_nonce(); |
| 881 | |
| 882 | global $wpdb; |
| 883 | |
| 884 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 885 | |
| 886 | if(!tutils()->can_user_manage('question', $question_id)) { |
| 887 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 888 | } |
| 889 | |
| 890 | if ($question_id){ |
| 891 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('question_id' => esc_sql( $question_id ) )); |
| 892 | } |
| 893 | |
| 894 | wp_send_json_success(); |
| 895 | } |
| 896 | |
| 897 | /** |
| 898 | * Get answers options form for quiz question |
| 899 | * |
| 900 | * @since v.1.0.0 |
| 901 | */ |
| 902 | public function tutor_quiz_add_question_answers(){ |
| 903 | tutils()->checking_nonce(); |
| 904 | |
| 905 | $question_id = sanitize_text_field($_POST['question_id']); |
| 906 | $question = tutor_utils()->avalue_dot($question_id, $_POST['tutor_quiz_question']); |
| 907 | $question_type = $question['question_type']; |
| 908 | |
| 909 | if(!tutils()->can_user_manage('question', $question_id)) { |
| 910 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 911 | } |
| 912 | |
| 913 | ob_start(); |
| 914 | include tutor()->path.'views/modal/question_answer_form.php'; |
| 915 | $output = ob_get_clean(); |
| 916 | |
| 917 | wp_send_json_success(array('output' => $output)); |
| 918 | } |
| 919 | |
| 920 | /** |
| 921 | * Edit Answer Form |
| 922 | * |
| 923 | * @since v.1.0.0 |
| 924 | */ |
| 925 | public function tutor_quiz_edit_question_answer(){ |
| 926 | tutils()->checking_nonce(); |
| 927 | |
| 928 | $answer_id = (int) sanitize_text_field($_POST['answer_id']); |
| 929 | |
| 930 | if(!tutils()->can_user_manage('quiz_answer', $answer_id)) { |
| 931 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 932 | } |
| 933 | |
| 934 | $old_answer = tutor_utils()->get_answer_by_id($answer_id); |
| 935 | foreach ($old_answer as $old_answer); |
| 936 | $question_id = $old_answer->belongs_question_id; |
| 937 | $question_type = $old_answer->belongs_question_type; |
| 938 | |
| 939 | ob_start(); |
| 940 | include tutor()->path.'views/modal/question_answer_edit_form.php'; |
| 941 | $output = ob_get_clean(); |
| 942 | |
| 943 | wp_send_json_success(array('output' => $output)); |
| 944 | } |
| 945 | |
| 946 | public function tutor_save_quiz_answer_options(){ |
| 947 | tutils()->checking_nonce(); |
| 948 | |
| 949 | global $wpdb; |
| 950 | |
| 951 | $questions = $_POST['tutor_quiz_question']; |
| 952 | $answers = $_POST['quiz_answer']; |
| 953 | |
| 954 | foreach ($answers as $question_id => $answer){ |
| 955 | |
| 956 | if(!tutils()->can_user_manage('question', $question_id)) { |
| 957 | continue; |
| 958 | } |
| 959 | |
| 960 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 961 | $question_type = $question['question_type']; |
| 962 | |
| 963 | //Getting next sorting order |
| 964 | $next_order_id = (int) $wpdb->get_var($wpdb->prepare( |
| 965 | "SELECT MAX(answer_order) |
| 966 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 967 | where belongs_question_id = %d |
| 968 | AND belongs_question_type = %s ", $question_id, esc_sql( $question_type ))); |
| 969 | |
| 970 | $next_order_id = $next_order_id + 1; |
| 971 | |
| 972 | if ($question){ |
| 973 | if ($question_type === 'true_false'){ |
| 974 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 975 | $data_true_false = array( |
| 976 | array( |
| 977 | 'belongs_question_id' => esc_sql( $question_id ) , |
| 978 | 'belongs_question_type' => $question_type, |
| 979 | 'answer_title' => __('True', 'tutor'), |
| 980 | 'is_correct' => $answer['true_false'] == 'true' ? 1 : 0, |
| 981 | 'answer_two_gap_match' => 'true', |
| 982 | ), |
| 983 | array( |
| 984 | 'belongs_question_id' => esc_sql( $question_id ) , |
| 985 | 'belongs_question_type' => $question_type, |
| 986 | 'answer_title' => __('False', 'tutor'), |
| 987 | 'is_correct' => $answer['true_false'] == 'false' ? 1 : 0, |
| 988 | 'answer_two_gap_match' => 'false', |
| 989 | ), |
| 990 | ); |
| 991 | |
| 992 | foreach ($data_true_false as $true_false_data){ |
| 993 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $true_false_data); |
| 994 | } |
| 995 | |
| 996 | }elseif($question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || |
| 997 | $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'image_answering' ){ |
| 998 | |
| 999 | $answer_data = array( |
| 1000 | 'belongs_question_id' => sanitize_text_field( $question_id ), |
| 1001 | 'belongs_question_type' => $question_type, |
| 1002 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ), |
| 1003 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 1004 | 'answer_view_format' => isset($answer['answer_view_format']) ? $answer['answer_view_format'] : 0, |
| 1005 | 'answer_order' => $next_order_id, |
| 1006 | ); |
| 1007 | if (isset($answer['matched_answer_title'])){ |
| 1008 | $answer_data['answer_two_gap_match'] = sanitize_text_field( $answer['matched_answer_title'] ); |
| 1009 | } |
| 1010 | |
| 1011 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 1012 | |
| 1013 | }elseif($question_type === 'fill_in_the_blank'){ |
| 1014 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 1015 | $answer_data = array( |
| 1016 | 'belongs_question_id' => sanitize_text_field( $question_id ) , |
| 1017 | 'belongs_question_type' => $question_type, |
| 1018 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ), |
| 1019 | 'answer_two_gap_match' => isset($answer['answer_two_gap_match']) ? sanitize_text_field( trim($answer['answer_two_gap_match']) ) : null, |
| 1020 | ); |
| 1021 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 1022 | } |
| 1023 | } |
| 1024 | } |
| 1025 | |
| 1026 | wp_send_json_success(); |
| 1027 | } |
| 1028 | |
| 1029 | /** |
| 1030 | * Tutor Update Answer |
| 1031 | * |
| 1032 | * @since v.1.0.0 |
| 1033 | */ |
| 1034 | public function tutor_update_quiz_answer_options(){ |
| 1035 | tutils()->checking_nonce(); |
| 1036 | |
| 1037 | global $wpdb; |
| 1038 | |
| 1039 | $answer_id = (int) sanitize_text_field($_POST['tutor_quiz_answer_id']); |
| 1040 | |
| 1041 | if(!tutils()->can_user_manage('quiz_answer', $answer_id)) { |
| 1042 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 1043 | } |
| 1044 | |
| 1045 | $questions = $_POST['tutor_quiz_question']; |
| 1046 | $answers = $_POST['quiz_answer']; |
| 1047 | |
| 1048 | foreach ($answers as $question_id => $answer){ |
| 1049 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 1050 | $question_type = $question['question_type']; |
| 1051 | |
| 1052 | if ($question){ |
| 1053 | if($question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'fill_in_the_blank' || $question_type === 'image_answering' ){ |
| 1054 | |
| 1055 | $answer_data = array( |
| 1056 | 'belongs_question_id' => $question_id, |
| 1057 | 'belongs_question_type' => $question_type, |
| 1058 | 'answer_title' => sanitize_text_field( $answer['answer_title'] ) , |
| 1059 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 1060 | 'answer_view_format' => isset($answer['answer_view_format']) ? sanitize_text_field( $answer['answer_view_format'] ) : '', |
| 1061 | ); |
| 1062 | if (isset($answer['matched_answer_title'])){ |
| 1063 | $answer_data['answer_two_gap_match'] = sanitize_text_field( $answer['matched_answer_title'] ) ; |
| 1064 | } |
| 1065 | |
| 1066 | if ($question_type === 'fill_in_the_blank'){ |
| 1067 | $answer_data['answer_two_gap_match'] = isset($answer['answer_two_gap_match']) ? sanitize_text_field(trim($answer['answer_two_gap_match'])) : null; |
| 1068 | } |
| 1069 | |
| 1070 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', $answer_data, array('answer_id' => $answer_id)); |
| 1071 | } |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | //die(print_r($_POST)); |
| 1076 | wp_send_json_success(); |
| 1077 | } |
| 1078 | |
| 1079 | public function tutor_quiz_builder_get_answers_by_question(){ |
| 1080 | tutils()->checking_nonce(); |
| 1081 | |
| 1082 | global $wpdb; |
| 1083 | $question_id = sanitize_text_field($_POST['question_id']); |
| 1084 | $question_type = sanitize_text_field($_POST['question_type']); |
| 1085 | |
| 1086 | if(!tutils()->can_user_manage('question', $question_id)) { |
| 1087 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 1088 | } |
| 1089 | |
| 1090 | $question = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id = %d ", $question_id)); |
| 1091 | $answers = $wpdb->get_results($wpdb->prepare("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers where belongs_question_id = %d AND belongs_question_type = %s order by answer_order asc ;", $question_id, esc_sql( $question_type ) )); |
| 1092 | |
| 1093 | ob_start(); |
| 1094 | |
| 1095 | switch ($question_type){ |
| 1096 | case 'true_false': |
| 1097 | echo '<label>'.__('Answer options & mark correct', 'tutor').'</label>'; |
| 1098 | break; |
| 1099 | case 'ordering': |
| 1100 | echo '<label>'.__('Make sure you’re saving the answers in the right order. Students will have to match this order exactly.', 'tutor').'</label>'; |
| 1101 | break; |
| 1102 | } |
| 1103 | |
| 1104 | if (is_array($answers) && count($answers)){ |
| 1105 | foreach ($answers as $answer){ |
| 1106 | ?> |
| 1107 | <div class="tutor-quiz-answer-wrap" data-answer-id="<?php echo $answer->answer_id; ?>"> |
| 1108 | <div class="tutor-quiz-answer"> |
| 1109 | <span class="tutor-quiz-answer-title"> |
| 1110 | <?php |
| 1111 | echo stripslashes($answer->answer_title); |
| 1112 | if ($answer->belongs_question_type === 'fill_in_the_blank'){ |
| 1113 | echo ' ('.__('Answer', 'tutor').' : '; |
| 1114 | echo '<strong>'. stripslashes($answer->answer_two_gap_match). '</strong>)'; |
| 1115 | } |
| 1116 | if ($answer->belongs_question_type === 'matching'){ |
| 1117 | echo ' - '.stripslashes($answer->answer_two_gap_match); |
| 1118 | } |
| 1119 | ?> |
| 1120 | </span> |
| 1121 | |
| 1122 | <?php |
| 1123 | if ($answer->image_id){ |
| 1124 | echo '<span class="tutor-question-answer-image"><img src="'.wp_get_attachment_image_url($answer->image_id).'" /> </span>'; |
| 1125 | } |
| 1126 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 1127 | ?> |
| 1128 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 1129 | <input type="radio" name="mark_as_correct[<?php echo $answer->belongs_question_id; ?>]" value="<?php echo $answer->answer_id; ?>" title="<?php _e('Mark as correct', 'tutor'); ?>" <?php checked(1, $answer->is_correct); ?> > |
| 1130 | </span> |
| 1131 | <?php |
| 1132 | }elseif ($question_type === 'multiple_choice'){ |
| 1133 | ?> |
| 1134 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 1135 | <input type="checkbox" name="mark_as_correct[<?php echo $answer->belongs_question_id; ?>]" value="<?php echo $answer->answer_id; ?>" title="<?php _e('Mark as correct', 'tutor'); ?>" <?php checked(1, $answer->is_correct); ?> > |
| 1136 | </span> |
| 1137 | <?php |
| 1138 | } |
| 1139 | ?> |
| 1140 | <span class="tutor-quiz-answer-edit"> |
| 1141 | <a href="javascript:;"><i class="tutor-icon-pencil"></i> </a> |
| 1142 | </span> |
| 1143 | <span class="tutor-quiz-answer-sort-icon"><i class="tutor-icon-menu-2"></i> </span> |
| 1144 | </div> |
| 1145 | |
| 1146 | <div class="tutor-quiz-answer-trash-wrap"> |
| 1147 | <a href="javascript:;" class="answer-trash-btn" data-answer-id="<?php echo $answer->answer_id; ?>"><i class="tutor-icon-garbage"></i> </a> |
| 1148 | </div> |
| 1149 | </div> |
| 1150 | <?php |
| 1151 | } |
| 1152 | } |
| 1153 | $output = ob_get_clean(); |
| 1154 | |
| 1155 | wp_send_json_success(array('output' => $output)); |
| 1156 | } |
| 1157 | |
| 1158 | public function tutor_quiz_builder_delete_answer(){ |
| 1159 | tutils()->checking_nonce(); |
| 1160 | |
| 1161 | global $wpdb; |
| 1162 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 1163 | |
| 1164 | if(!tutils()->can_user_manage('quiz_answer', $answer_id)) { |
| 1165 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 1166 | } |
| 1167 | |
| 1168 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('answer_id' => esc_sql( $answer_id ) )); |
| 1169 | wp_send_json_success(); |
| 1170 | } |
| 1171 | |
| 1172 | /** |
| 1173 | * Save quiz questions sorting |
| 1174 | */ |
| 1175 | public function tutor_quiz_question_sorting(){ |
| 1176 | tutils()->checking_nonce(); |
| 1177 | |
| 1178 | global $wpdb; |
| 1179 | |
| 1180 | $question_ids = tutor_utils()->avalue_dot('sorted_question_ids', $_POST); |
| 1181 | if (is_array($question_ids) && count($question_ids) ){ |
| 1182 | $i = 0; |
| 1183 | foreach ($question_ids as $key => $question_id){ |
| 1184 | if(tutils()->can_user_manage('question', $question_id)) { |
| 1185 | $i++; |
| 1186 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', array('question_order' => $i), array('question_id' => $question_id)); |
| 1187 | } |
| 1188 | } |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * Save sorting data for quiz answers |
| 1194 | */ |
| 1195 | public function tutor_quiz_answer_sorting(){ |
| 1196 | tutils()->checking_nonce(); |
| 1197 | |
| 1198 | global $wpdb; |
| 1199 | |
| 1200 | if ( ! empty($_POST['sorted_answer_ids']) && is_array($_POST['sorted_answer_ids']) && count($_POST['sorted_answer_ids']) ){ |
| 1201 | $answer_ids = $_POST['sorted_answer_ids']; |
| 1202 | $i = 0; |
| 1203 | foreach ($answer_ids as $key => $answer_id){ |
| 1204 | if(tutils()->can_user_manage('quiz_answer', $answer_id)) { |
| 1205 | $i++; |
| 1206 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('answer_order' => $i), array('answer_id' => $answer_id)); |
| 1207 | } |
| 1208 | } |
| 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | /** |
| 1213 | * Mark answer as correct |
| 1214 | */ |
| 1215 | |
| 1216 | public function tutor_mark_answer_as_correct(){ |
| 1217 | tutils()->checking_nonce(); |
| 1218 | |
| 1219 | global $wpdb; |
| 1220 | |
| 1221 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 1222 | $inputValue = sanitize_text_field($_POST['inputValue']); |
| 1223 | |
| 1224 | if(!tutils()->can_user_manage('quiz_answer', $answer_id)) { |
| 1225 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 1226 | } |
| 1227 | |
| 1228 | $answer = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = %d LIMIT 0,1 ;", $answer_id)); |
| 1229 | if ($answer->belongs_question_type === 'single_choice') { |
| 1230 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => 0), array('belongs_question_id' => esc_sql( $answer->belongs_question_id ) )); |
| 1231 | } |
| 1232 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => esc_sql( $inputValue ) ), array('answer_id' => esc_sql( $answer_id ) )); |
| 1233 | } |
| 1234 | |
| 1235 | /** |
| 1236 | * Update quiz settings from modal |
| 1237 | * |
| 1238 | * @since : v.1.0.0 |
| 1239 | */ |
| 1240 | public function tutor_quiz_modal_update_settings(){ |
| 1241 | tutils()->checking_nonce(); |
| 1242 | //while creating quiz if creating step is not follow then it may throw error that why check added |
| 1243 | $quiz_id = ( isset( $_POST['quiz_id'] ) ) ? sanitize_text_field( $_POST['quiz_id'] ) : '' ; |
| 1244 | $current_topic_id = sanitize_text_field( $_POST['topic_id'] ); |
| 1245 | $course_id = tutor_utils()->get_course_id_by('topic', sanitize_textarea_field( $current_topic_id ) ); |
| 1246 | |
| 1247 | $quiz_option = tutor_utils()->sanitize_array( $_POST['quiz_option'] ); |
| 1248 | |
| 1249 | if( !tutils()->can_user_manage('quiz', $quiz_id) ) { |
| 1250 | wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) ); |
| 1251 | } |
| 1252 | |
| 1253 | update_post_meta($quiz_id, 'tutor_quiz_option', $quiz_option); |
| 1254 | do_action('tutor_quiz_settings_updated', $quiz_id); |
| 1255 | |
| 1256 | //@since 1.9.6 |
| 1257 | ob_start(); |
| 1258 | include tutor()->path.'views/metabox/course-contents.php'; |
| 1259 | $course_contents = ob_get_clean(); |
| 1260 | |
| 1261 | wp_send_json_success( array( 'course_contents' => $course_contents ) ); |
| 1262 | } |
| 1263 | |
| 1264 | |
| 1265 | //=========================// |
| 1266 | // Front end stuffs |
| 1267 | //=========================// |
| 1268 | |
| 1269 | /** |
| 1270 | * Rendering quiz for frontend |
| 1271 | * |
| 1272 | * @since v.1.0.0 |
| 1273 | */ |
| 1274 | |
| 1275 | public function tutor_render_quiz_content(){ |
| 1276 | |
| 1277 | tutils()->checking_nonce(); |
| 1278 | |
| 1279 | $quiz_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('quiz_id', $_POST)); |
| 1280 | |
| 1281 | if(!tutils()->has_enrolled_content_access('quiz', $quiz_id)) { |
| 1282 | wp_send_json_error( array('message'=>__('Access Denied.', 'tutor')) ); |
| 1283 | } |
| 1284 | |
| 1285 | ob_start(); |
| 1286 | global $post; |
| 1287 | |
| 1288 | $post = get_post($quiz_id); |
| 1289 | setup_postdata($post); |
| 1290 | //tutor_lesson_content(); |
| 1291 | |
| 1292 | single_quiz_contents(); |
| 1293 | wp_reset_postdata(); |
| 1294 | |
| 1295 | $html = ob_get_clean(); |
| 1296 | wp_send_json_success(array('html' => $html)); |
| 1297 | } |
| 1298 | |
| 1299 | } |