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Quiz.php
1125 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 | public function __construct() { |
| 20 | add_filter( "manage_tutor_quiz_posts_columns", array($this, 'add_column'), 10,1 ); |
| 21 | add_action( "manage_tutor_quiz_posts_custom_column" , array($this, 'custom_question_column'), 10, 2 ); |
| 22 | |
| 23 | add_action( 'add_meta_boxes', array($this, 'register_meta_box') ); |
| 24 | add_action('save_post_tutor_quiz', array($this, 'save_quiz_meta')); |
| 25 | |
| 26 | //Depricated at alpha version |
| 27 | add_action('wp_ajax_tutor_load_quiz_modal', array($this, 'tutor_load_quiz_modal')); |
| 28 | |
| 29 | add_action('wp_ajax_tutor_load_quiz_builder_modal', array($this, 'tutor_load_quiz_builder_modal')); |
| 30 | add_action('wp_ajax_tutor_add_quiz_to_post', array($this, 'tutor_add_quiz_to_post')); |
| 31 | add_action('wp_ajax_remove_quiz_from_post', array($this, 'remove_quiz_from_post')); |
| 32 | |
| 33 | add_action('wp_ajax_tutor_quiz_timeout', array($this, 'tutor_quiz_timeout')); |
| 34 | |
| 35 | //User take the quiz |
| 36 | add_action('template_redirect', array($this, 'start_the_quiz')); |
| 37 | add_action('template_redirect', array($this, 'answering_quiz')); |
| 38 | add_action('template_redirect', array($this, 'finishing_quiz_attempt')); |
| 39 | |
| 40 | add_action('admin_action_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 41 | add_action('wp_ajax_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 42 | |
| 43 | /** |
| 44 | * New Design Quiz |
| 45 | */ |
| 46 | |
| 47 | add_action('wp_ajax_tutor_create_quiz_and_load_modal', array($this, 'tutor_create_quiz_and_load_modal')); |
| 48 | add_action('wp_ajax_tutor_delete_quiz_by_id', array($this, 'tutor_delete_quiz_by_id')); |
| 49 | add_action('wp_ajax_tutor_quiz_builder_quiz_update', array($this, 'tutor_quiz_builder_quiz_update')); |
| 50 | add_action('wp_ajax_tutor_load_edit_quiz_modal', array($this, 'tutor_load_edit_quiz_modal')); |
| 51 | add_action('wp_ajax_tutor_quiz_builder_get_question_form', array($this, 'tutor_quiz_builder_get_question_form')); |
| 52 | add_action('wp_ajax_tutor_quiz_modal_update_question', array($this, 'tutor_quiz_modal_update_question')); |
| 53 | add_action('wp_ajax_tutor_quiz_builder_question_delete', array($this, 'tutor_quiz_builder_question_delete')); |
| 54 | add_action('wp_ajax_tutor_quiz_add_question_answers', array($this, 'tutor_quiz_add_question_answers')); |
| 55 | add_action('wp_ajax_tutor_quiz_edit_question_answer', array($this, 'tutor_quiz_edit_question_answer')); |
| 56 | add_action('wp_ajax_tutor_save_quiz_answer_options', array($this, 'tutor_save_quiz_answer_options')); |
| 57 | add_action('wp_ajax_tutor_update_quiz_answer_options', array($this, 'tutor_update_quiz_answer_options')); |
| 58 | add_action('wp_ajax_tutor_quiz_builder_get_answers_by_question', array($this, 'tutor_quiz_builder_get_answers_by_question')); |
| 59 | add_action('wp_ajax_tutor_quiz_builder_delete_answer', array($this, 'tutor_quiz_builder_delete_answer')); |
| 60 | add_action('wp_ajax_tutor_quiz_question_sorting', array($this, 'tutor_quiz_question_sorting')); |
| 61 | add_action('wp_ajax_tutor_quiz_answer_sorting', array($this, 'tutor_quiz_answer_sorting')); |
| 62 | add_action('wp_ajax_tutor_mark_answer_as_correct', array($this, 'tutor_mark_answer_as_correct')); |
| 63 | add_action('wp_ajax_tutor_quiz_modal_update_settings', array($this, 'tutor_quiz_modal_update_settings')); |
| 64 | |
| 65 | |
| 66 | |
| 67 | /** |
| 68 | * Frontend Stuff |
| 69 | */ |
| 70 | |
| 71 | add_action('wp_ajax_tutor_render_quiz_content', array($this, 'tutor_render_quiz_content')); |
| 72 | |
| 73 | } |
| 74 | |
| 75 | public function add_column($columns){ |
| 76 | $date_col = $columns['date']; |
| 77 | unset($columns['date']); |
| 78 | $columns['quiz'] = __('Course', 'tutor'); |
| 79 | $columns['questions'] = __('Questions', 'tutor'); |
| 80 | $columns['date'] = $date_col; |
| 81 | |
| 82 | return $columns; |
| 83 | } |
| 84 | |
| 85 | public function custom_question_column($column, $post_id ){ |
| 86 | if ($column === 'quiz'){ |
| 87 | $quiz = tutor_utils()->get_course_by_quiz($post_id); |
| 88 | |
| 89 | if ($quiz){ |
| 90 | echo '<a href="'.admin_url('post.php?post='.$quiz->ID.'&action=edit').'">'.get_the_title($quiz->ID).'</a>'; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | if ($column === 'questions'){ |
| 95 | echo tutor_utils()->total_questions_for_student_by_quiz($post_id); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | public function register_meta_box(){ |
| 100 | add_meta_box( 'tutor-quiz-questions', __( 'Questions', 'tutor' ), array($this, 'quiz_questions'), 'tutor_quiz' ); |
| 101 | add_meta_box( 'tutor-quiz-settings', __( 'Settings', 'tutor' ), array($this, 'quiz_settings'), 'tutor_quiz' ); |
| 102 | } |
| 103 | |
| 104 | public function quiz_questions(){ |
| 105 | include tutor()->path.'views/metabox/quiz_questions.php'; |
| 106 | } |
| 107 | |
| 108 | public function quiz_settings(){ |
| 109 | include tutor()->path.'views/metabox/quizzes.php'; |
| 110 | } |
| 111 | |
| 112 | public function save_quiz_meta($post_ID){ |
| 113 | if (isset($_POST['quiz_option'])){ |
| 114 | $quiz_option = tutor_utils()->sanitize_array($_POST['quiz_option']); |
| 115 | update_post_meta($post_ID, 'tutor_quiz_option', $quiz_option); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * @depricated at alpha version |
| 121 | * Check tutor_load_quiz_builder_modal instead of this method |
| 122 | */ |
| 123 | public function tutor_load_quiz_modal(){ |
| 124 | $quiz_for_post_id = (int) sanitize_text_field($_POST['quiz_for_post_id']); |
| 125 | |
| 126 | $search_terms = sanitize_text_field(tutor_utils()->avalue_dot('search_terms', $_POST)); |
| 127 | $quizzes = tutor_utils()->get_unattached_quiz(array('search_term' => $search_terms)); |
| 128 | |
| 129 | $output = ''; |
| 130 | if ($quizzes){ |
| 131 | foreach ($quizzes as $quiz){ |
| 132 | $output .= "<p><label><input type='checkbox' name='quiz_for[{$quiz_for_post_id}][quiz_id][]' value='{$quiz->ID}' > {$quiz->post_title} </label></p>"; |
| 133 | } |
| 134 | $output .= '<p class="quiz-search-suggest-text">Search the quiz to get specific quiz</p>'; |
| 135 | }else{ |
| 136 | $add_question_url = admin_url('post-new.php?post_type=tutor_quiz'); |
| 137 | $output .= sprintf('No quiz available right now, please %s add some quiz %s', '<a href="'.$add_question_url.'" target="_blank">', '</a>' ); |
| 138 | } |
| 139 | |
| 140 | ob_start(); |
| 141 | ?> |
| 142 | <div class="tutor-option-field-row"> |
| 143 | <div class="tutor-option-field-label"> |
| 144 | <label for=""> |
| 145 | <?php _e('New quiz title', 'tutor'); ?> |
| 146 | </label> |
| 147 | </div> |
| 148 | <div class="tutor-option-field"> |
| 149 | <input type="text" name="quiz_title" placeholder="<?php _e('Place quiz title to create new quiz', 'tutor'); ?>" > |
| 150 | <p class="desc"><?php _e('Provide a quiz title to create a quiz from here.'); ?></p> |
| 151 | </div> |
| 152 | </div> |
| 153 | |
| 154 | <?php |
| 155 | $output .= ob_get_clean(); |
| 156 | |
| 157 | wp_send_json_success(array('output' => $output)); |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Tutor Quiz Builder Modal |
| 162 | */ |
| 163 | public function tutor_load_quiz_builder_modal(){ |
| 164 | ob_start(); |
| 165 | include tutor()->path.'views/modal/add_quiz.php'; |
| 166 | $output = ob_get_clean(); |
| 167 | |
| 168 | wp_send_json_success(array('output' => $output)); |
| 169 | |
| 170 | } |
| 171 | |
| 172 | public function tutor_add_quiz_to_post(){ |
| 173 | global $wpdb; |
| 174 | |
| 175 | $quiz_data = tutor_utils()->avalue_dot('quiz_for', $_POST); |
| 176 | |
| 177 | $output = ''; |
| 178 | $post_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('parent_post_id', $_POST)) ; |
| 179 | if ($quiz_data){ |
| 180 | foreach ($quiz_data as $post_id => $quiz_ids_a); |
| 181 | |
| 182 | $quiz_ids = tutor_utils()->avalue_dot('quiz_id', $quiz_ids_a); |
| 183 | foreach ($quiz_ids as $quiz_id){ |
| 184 | $wpdb->update($wpdb->posts, array('post_parent' => $post_id), array('ID' => $quiz_id) ); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | $quiz_title = sanitize_text_field(tutor_utils()->avalue_dot('quiz_title', $_POST)); |
| 189 | if ($quiz_title){ |
| 190 | wp_insert_post(array( |
| 191 | 'post_parent' => $post_id, |
| 192 | 'post_title' => $quiz_title, |
| 193 | 'post_type' => 'tutor_quiz', |
| 194 | 'post_status' => 'publish', |
| 195 | )); |
| 196 | } |
| 197 | |
| 198 | if ($post_id) { |
| 199 | ob_start(); |
| 200 | $attached_quizzes = tutor_utils()->get_attached_quiz( $post_id ); |
| 201 | if ( $attached_quizzes ) { |
| 202 | foreach ( $attached_quizzes as $attached_quiz ) { |
| 203 | ?> |
| 204 | <div id="added-quiz-id-<?php echo $attached_quiz->ID; ?>" class="added-quiz-item added-quiz-item-<?php echo $attached_quiz->ID; ?>" data-quiz-id="<?php echo $attached_quiz->ID; ?>"> |
| 205 | <span class="quiz-icon"><i class="dashicons dashicons-clock"></i></span> |
| 206 | <span class="quiz-name"> |
| 207 | <?php edit_post_link( $attached_quiz->post_title, null, null, $attached_quiz->ID ); ?> |
| 208 | </span> |
| 209 | <span class="quiz-control"> |
| 210 | <a href="javascript:;" class="tutor-quiz-delete-btn"><i class="dashicons dashicons-trash"></i></a> |
| 211 | </span> |
| 212 | </div> |
| 213 | <?php |
| 214 | } |
| 215 | } |
| 216 | $output .= ob_get_clean(); |
| 217 | } |
| 218 | |
| 219 | wp_send_json_success(array('output' => $output)); |
| 220 | } |
| 221 | |
| 222 | public function remove_quiz_from_post(){ |
| 223 | global $wpdb; |
| 224 | $quiz_id = (int) tutor_utils()->avalue_dot('quiz_id', $_POST); |
| 225 | $wpdb->update($wpdb->posts, array('post_parent' => 0), array('ID' => $quiz_id) ); |
| 226 | wp_send_json_success(); |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * |
| 231 | * Start Quiz from here... |
| 232 | * |
| 233 | * @since v.1.0.0 |
| 234 | */ |
| 235 | |
| 236 | public function start_the_quiz(){ |
| 237 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_start_quiz' ){ |
| 238 | return; |
| 239 | } |
| 240 | //Checking nonce |
| 241 | tutor_utils()->checking_nonce(); |
| 242 | |
| 243 | if ( ! is_user_logged_in()){ |
| 244 | //TODO: need to set a view in the next version |
| 245 | die('Please sign in to do this operation'); |
| 246 | } |
| 247 | |
| 248 | global $wpdb; |
| 249 | |
| 250 | $user_id = get_current_user_id(); |
| 251 | $user = get_userdata($user_id); |
| 252 | |
| 253 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 254 | |
| 255 | $quiz = get_post($quiz_id); |
| 256 | $course = tutor_utils()->get_course_by_quiz($quiz_id); |
| 257 | if ( empty($course->ID)){ |
| 258 | die('There is something went wrong with course, please check if quiz attached with a course'); |
| 259 | } |
| 260 | |
| 261 | $date = date("Y-m-d H:i:s"); |
| 262 | |
| 263 | $tutor_quiz_option = (array) maybe_unserialize(get_post_meta($quiz_id, 'tutor_quiz_option', true)); |
| 264 | $attempts_allowed = tutor_utils()->get_quiz_option($quiz_id, 'attempts_allowed', 0); |
| 265 | |
| 266 | $time_limit = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_value'); |
| 267 | $time_limit_seconds = 0; |
| 268 | $time_type = 'seconds'; |
| 269 | if ($time_limit){ |
| 270 | $time_type = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_type'); |
| 271 | |
| 272 | switch ($time_type){ |
| 273 | case 'seconds': |
| 274 | $time_limit_seconds = $time_limit; |
| 275 | break; |
| 276 | case 'minutes': |
| 277 | $time_limit_seconds = $time_limit * 60; |
| 278 | break; |
| 279 | case 'hours': |
| 280 | $time_limit_seconds = $time_limit * 60 * 60; |
| 281 | break; |
| 282 | case 'days': |
| 283 | $time_limit_seconds = $time_limit * 60 * 60 * 24; |
| 284 | break; |
| 285 | case 'weeks': |
| 286 | $time_limit_seconds = $time_limit * 60 * 60 * 24 * 7; |
| 287 | break; |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | $max_question_allowed = tutor_utils()->max_questions_for_take_quiz($quiz_id); |
| 292 | $tutor_quiz_option['time_limit']['time_limit_seconds'] = $time_limit_seconds; |
| 293 | |
| 294 | $attempt_data = array( |
| 295 | 'course_id' => $course->ID, |
| 296 | 'quiz_id' => $quiz_id, |
| 297 | 'user_id' => $user_id, |
| 298 | 'total_questions' => $max_question_allowed, |
| 299 | 'total_answered_questions' => 0, |
| 300 | 'attempt_info' => maybe_serialize($tutor_quiz_option), |
| 301 | 'attempt_status' => 'attempt_started', |
| 302 | 'attempt_ip' => tutor_utils()->get_ip(), |
| 303 | 'attempt_started_at' => $date, |
| 304 | ); |
| 305 | |
| 306 | $wpdb->insert($wpdb->prefix.'tutor_quiz_attempts', $attempt_data); |
| 307 | $attempt_id = (int) $wpdb->insert_id; |
| 308 | |
| 309 | wp_redirect(get_permalink($quiz_id)); |
| 310 | die(); |
| 311 | } |
| 312 | |
| 313 | public function answering_quiz(){ |
| 314 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_answering_quiz_question' ){ |
| 315 | return; |
| 316 | } |
| 317 | //Checking nonce |
| 318 | tutor_utils()->checking_nonce(); |
| 319 | |
| 320 | $attempt_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('attempt_id', $_POST)); |
| 321 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 322 | |
| 323 | $attempt_answers = isset($_POST['attempt']) ? $_POST['attempt'] : false; |
| 324 | if ( ! is_user_logged_in()){ |
| 325 | die('Please sign in to do this operation'); |
| 326 | } |
| 327 | |
| 328 | global $wpdb; |
| 329 | $user_id = get_current_user_id(); |
| 330 | |
| 331 | if ($attempt_answers && is_array($attempt_answers) && count($attempt_answers)){ |
| 332 | foreach ($attempt_answers as $attempt_id => $attempt_answers){ |
| 333 | |
| 334 | /** |
| 335 | * Get total marks of all question comes |
| 336 | */ |
| 337 | $question_ids = tutor_utils()->avalue_dot('quiz_question_ids', $attempt_answers); |
| 338 | if (is_array($question_ids) && count($question_ids)){ |
| 339 | $question_ids_string = "'".implode("','", $question_ids)."'"; |
| 340 | $total_question_marks = $wpdb->get_var("SELECT SUM(question_mark) FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id IN({$question_ids_string}) ;"); |
| 341 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', array('total_marks' =>$total_question_marks ), array('attempt_id' => $attempt_id )); |
| 342 | } |
| 343 | |
| 344 | if ( ! $attempt || $user_id != $attempt->user_id){ |
| 345 | die('Operation not allowed, attempt not found or permission denied'); |
| 346 | } |
| 347 | |
| 348 | $quiz_answers = tutor_utils()->avalue_dot('quiz_question', $attempt_answers); |
| 349 | $total_marks = 0; |
| 350 | foreach ($quiz_answers as $question_id => $answers){ |
| 351 | $question = tutor_utils()->get_quiz_question_by_id($question_id); |
| 352 | $question_type = $question->question_type; |
| 353 | |
| 354 | $is_answer_was_correct = false; |
| 355 | $given_answer = ''; |
| 356 | |
| 357 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 358 | |
| 359 | $given_answer = $answers; |
| 360 | $is_answer_was_correct = (bool) $wpdb->get_var("SELECT is_correct FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = {$answers} "); |
| 361 | |
| 362 | }elseif ($question_type === 'multiple_choice'){ |
| 363 | |
| 364 | $given_answer = maybe_serialize($answers); |
| 365 | $get_original_answers = (array) $wpdb->get_col("SELECT answer_id FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = {$question->question_id} AND belongs_question_type = '{$question_type}' AND is_correct = 1 ;"); |
| 366 | if (maybe_serialize($get_original_answers) == $given_answer){ |
| 367 | $is_answer_was_correct = true; |
| 368 | } |
| 369 | |
| 370 | }elseif ($question_type === 'fill_in_the_blank'){ |
| 371 | |
| 372 | $given_answer = (array) array_map('sanitize_text_field', $answers); |
| 373 | $given_answer = maybe_serialize($given_answer); |
| 374 | |
| 375 | $get_original_answer = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = {$question->question_id} AND belongs_question_type = '{$question_type}' ;"); |
| 376 | $gap_answer = (array) explode('|', $get_original_answer->answer_two_gap_match); |
| 377 | |
| 378 | $gap_answer = array_map('sanitize_text_field', $gap_answer); |
| 379 | if ($given_answer == maybe_serialize($gap_answer)){ |
| 380 | $is_answer_was_correct = true; |
| 381 | } |
| 382 | |
| 383 | }elseif ($question_type === 'open_ended' || $question_type === 'short_answer'){ |
| 384 | |
| 385 | $given_answer = wp_kses_post($answers); |
| 386 | |
| 387 | }elseif ($question_type === 'ordering' || $question_type === 'matching'|| $question_type === 'image_matching' ){ |
| 388 | |
| 389 | $given_answer = (array) array_map('sanitize_text_field', tutor_utils()->avalue_dot('answers', $answers)); |
| 390 | $given_answer = maybe_serialize($given_answer); |
| 391 | |
| 392 | $get_original_answers = (array) $wpdb->get_col("SELECT answer_id FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = {$question->question_id} AND belongs_question_type = '{$question_type}' ORDER BY answer_order ASC ;"); |
| 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 | echo '<pre>'; |
| 401 | |
| 402 | $image_inputs = tutor_utils()->avalue_dot('answer_id', $answers); |
| 403 | $image_inputs = (array) array_map('sanitize_text_field', $image_inputs); |
| 404 | $given_answer = maybe_serialize($image_inputs); |
| 405 | $is_answer_was_correct = false; |
| 406 | |
| 407 | $db_answer = $wpdb->get_col("SELECT answer_title FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id = {$question_id} AND belongs_question_type = |
| 408 | 'image_answering' ORDER BY answer_order asc ;"); |
| 409 | |
| 410 | if (is_array($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 | $wpdb->insert($wpdb->prefix.'tutor_quiz_attempt_answers', $answers_data); |
| 430 | } |
| 431 | |
| 432 | $attempt_info = array( |
| 433 | 'total_answered_questions' => count($quiz_answers), |
| 434 | 'earned_marks' => $total_marks, |
| 435 | 'attempt_status' => 'attempt_ended', |
| 436 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 437 | ); |
| 438 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | wp_redirect(get_the_permalink($attempt->quiz_id)); |
| 443 | die(); |
| 444 | } |
| 445 | |
| 446 | |
| 447 | /** |
| 448 | * Quiz attempt will be finish here |
| 449 | * |
| 450 | */ |
| 451 | |
| 452 | public function finishing_quiz_attempt(){ |
| 453 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_finish_quiz_attempt' ){ |
| 454 | return; |
| 455 | } |
| 456 | //Checking nonce |
| 457 | tutor_utils()->checking_nonce(); |
| 458 | |
| 459 | if ( ! is_user_logged_in()){ |
| 460 | die('Please sign in to do this operation'); |
| 461 | } |
| 462 | |
| 463 | global $wpdb; |
| 464 | |
| 465 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 466 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 467 | $attempt_id = $attempt->attempt_id; |
| 468 | |
| 469 | $attempt_info = array( |
| 470 | 'total_answered_questions' => 0, |
| 471 | 'earned_marks' => 0, |
| 472 | 'attempt_status' => 'attempt_ended', |
| 473 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 474 | ); |
| 475 | |
| 476 | do_action('tutor_quiz_before_finish', $attempt_id, $quiz_id, $attempt->user_id); |
| 477 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 478 | do_action('tutor_quiz_finished', $attempt_id, $quiz_id, $attempt->user_id); |
| 479 | |
| 480 | wp_redirect(tutor_utils()->input_old('_wp_http_referer')); |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Quiz timeout by ajax |
| 485 | */ |
| 486 | public function tutor_quiz_timeout(){ |
| 487 | global $wpdb; |
| 488 | |
| 489 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 490 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 491 | |
| 492 | if ($attempt) { |
| 493 | $attempt_id = $attempt->attempt_id; |
| 494 | |
| 495 | $data = array( |
| 496 | 'attempt_status' => 'attempt_timeout', |
| 497 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 498 | ); |
| 499 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $data, array('attempt_id' => $attempt->attempt_id)); |
| 500 | |
| 501 | do_action('tutor_quiz_timeout', $attempt_id, $quiz_id, $attempt->user_id); |
| 502 | |
| 503 | wp_send_json_success(); |
| 504 | } |
| 505 | |
| 506 | wp_send_json_error(__('Quiz has been timeout already', 'tutor')); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * Review the answer and change individual answer result |
| 511 | */ |
| 512 | |
| 513 | public function review_quiz_answer(){ |
| 514 | global $wpdb; |
| 515 | $attempt_id = (int) sanitize_text_field($_GET['attempt_id']); |
| 516 | $attempt_answer_id = (int) sanitize_text_field($_GET['attempt_answer_id']); |
| 517 | $mark_as = sanitize_text_field($_GET['mark_as']); |
| 518 | |
| 519 | $attempt_answer = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE attempt_answer_id = {$attempt_answer_id} "); |
| 520 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 521 | |
| 522 | $is_correct = (int) $attempt_answer->is_correct; |
| 523 | |
| 524 | do_action('tutor_quiz_review_answer_before', $attempt_answer_id, $attempt_id, $mark_as); |
| 525 | |
| 526 | if ($mark_as === 'correct' && ! $is_correct){ |
| 527 | |
| 528 | $answer_update_data = array( |
| 529 | 'achieved_mark' => $attempt_answer->question_mark, |
| 530 | 'is_correct' => 1, |
| 531 | ); |
| 532 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 533 | |
| 534 | $attempt_update_data = array( |
| 535 | 'earned_marks' => $attempt->earned_marks + $attempt_answer->question_mark, |
| 536 | 'is_manually_reviewed' => 1, |
| 537 | 'manually_reviewed_at' => date("Y-m-d H:i:s"), |
| 538 | ); |
| 539 | |
| 540 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 541 | |
| 542 | }elseif($mark_as === 'incorrect' && $is_correct){ |
| 543 | |
| 544 | $answer_update_data = array( |
| 545 | 'achieved_mark' => '0.00', |
| 546 | 'is_correct' => 0, |
| 547 | ); |
| 548 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 549 | |
| 550 | $attempt_update_data = array( |
| 551 | 'earned_marks' => $attempt->earned_marks - $attempt_answer->question_mark, |
| 552 | 'is_manually_reviewed' => 1, |
| 553 | 'manually_reviewed_at' => date("Y-m-d H:i:s"), |
| 554 | ); |
| 555 | |
| 556 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 557 | } |
| 558 | do_action('tutor_quiz_review_answer_after', $attempt_answer_id, $attempt_id, $mark_as); |
| 559 | |
| 560 | if (wp_doing_ajax()){ |
| 561 | wp_send_json_success(); |
| 562 | }else{ |
| 563 | wp_redirect(admin_url("admin.php?page=tutor_quiz_attempts&sub_page=view_attempt&attempt_id=".$attempt_id)); |
| 564 | } |
| 565 | |
| 566 | die(); |
| 567 | } |
| 568 | |
| 569 | |
| 570 | /** |
| 571 | * New Design Quiz |
| 572 | */ |
| 573 | public function tutor_create_quiz_and_load_modal(){ |
| 574 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 575 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 576 | $quiz_description = sanitize_text_field($_POST['quiz_description']); |
| 577 | $next_order_id = tutor_utils()->get_next_course_content_order_id($topic_id); |
| 578 | |
| 579 | $post_arr = array( |
| 580 | 'post_type' => 'tutor_quiz', |
| 581 | 'post_title' => $quiz_title, |
| 582 | 'post_content' => $quiz_description, |
| 583 | 'post_status' => 'publish', |
| 584 | 'post_author' => get_current_user_id(), |
| 585 | 'post_parent' => $topic_id, |
| 586 | 'menu_order' => $next_order_id, |
| 587 | ); |
| 588 | $quiz_id = wp_insert_post( $post_arr ); |
| 589 | do_action('tutor_initial_quiz_created', $quiz_id); |
| 590 | |
| 591 | ob_start(); |
| 592 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 593 | $output = ob_get_clean(); |
| 594 | |
| 595 | ob_start(); |
| 596 | ?> |
| 597 | <div id="tutor-quiz-<?php echo $quiz_id; ?>" class="course-content-item tutor-quiz tutor-quiz-<?php echo $quiz_id; ?>"> |
| 598 | <div class="tutor-lesson-top"> |
| 599 | <i class="tutor-icon-move"></i> |
| 600 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 601 | ?>"> <i class=" tutor-icon-doubt"></i>[QUIZ] <?php echo $quiz_title; ?> </a> |
| 602 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 603 | </div> |
| 604 | </div> |
| 605 | <?php |
| 606 | $output_quiz_row = ob_get_clean(); |
| 607 | |
| 608 | wp_send_json_success(array('output' => $output, 'output_quiz_row' => $output_quiz_row)); |
| 609 | } |
| 610 | |
| 611 | public function tutor_delete_quiz_by_id(){ |
| 612 | global $wpdb; |
| 613 | |
| 614 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 615 | $post = get_post($quiz_id); |
| 616 | |
| 617 | if ( $post->post_type === 'tutor_quiz'){ |
| 618 | do_action('tutor_delete_quiz_before', $quiz_id); |
| 619 | |
| 620 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempts', array('quiz_id' => $quiz_id)); |
| 621 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempt_answers', array('quiz_id' => $quiz_id)); |
| 622 | |
| 623 | $questions_ids = $wpdb->get_col("SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} "); |
| 624 | if (is_array($questions_ids) && count($questions_ids)){ |
| 625 | $in_question_ids = "'".implode("','", $questions_ids)."'"; |
| 626 | $wpdb->query("DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) "); |
| 627 | } |
| 628 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('quiz_id' => $quiz_id)); |
| 629 | |
| 630 | wp_delete_post($quiz_id, true); |
| 631 | delete_post_meta($quiz_id, '_tutor_course_id_for_lesson'); |
| 632 | |
| 633 | do_action('tutor_delete_quiz_after', $quiz_id); |
| 634 | |
| 635 | |
| 636 | wp_send_json_success(); |
| 637 | } |
| 638 | |
| 639 | wp_send_json_error(); |
| 640 | } |
| 641 | |
| 642 | /** |
| 643 | * Update Quiz from quiz builder modal |
| 644 | * |
| 645 | * @since v.1.0.0 |
| 646 | */ |
| 647 | public function tutor_quiz_builder_quiz_update(){ |
| 648 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 649 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 650 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 651 | $quiz_description = sanitize_text_field($_POST['quiz_description']); |
| 652 | |
| 653 | $post_arr = array( |
| 654 | 'ID' => $quiz_id, |
| 655 | 'post_title' => $quiz_title, |
| 656 | 'post_content' => $quiz_description, |
| 657 | |
| 658 | ); |
| 659 | $quiz_id = wp_update_post( $post_arr ); |
| 660 | |
| 661 | do_action('tutor_quiz_updated', $quiz_id); |
| 662 | |
| 663 | ob_start(); |
| 664 | ?> |
| 665 | <div class="tutor-lesson-top"> |
| 666 | <i class="tutor-icon-move"></i> |
| 667 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 668 | ?>"> <i class=" tutor-icon-doubt"></i>[QUIZ] <?php echo $quiz_title; ?> </a> |
| 669 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 670 | </div> |
| 671 | <?php |
| 672 | $output_quiz_row = ob_get_clean(); |
| 673 | |
| 674 | wp_send_json_success(array('output_quiz_row' => $output_quiz_row)); |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * Load quiz Modal for edit quiz |
| 679 | * |
| 680 | * @since v.1.0.0 |
| 681 | */ |
| 682 | public function tutor_load_edit_quiz_modal(){ |
| 683 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 684 | |
| 685 | ob_start(); |
| 686 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 687 | $output = ob_get_clean(); |
| 688 | |
| 689 | wp_send_json_success(array('output' => $output)); |
| 690 | } |
| 691 | |
| 692 | /** |
| 693 | * Load quiz question form for quiz |
| 694 | * |
| 695 | * @since v.1.0.0 |
| 696 | */ |
| 697 | public function tutor_quiz_builder_get_question_form(){ |
| 698 | global $wpdb; |
| 699 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 700 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 701 | |
| 702 | if ( ! $question_id){ |
| 703 | $next_question_id = tutor_utils()->quiz_next_question_id(); |
| 704 | $next_question_order = tutor_utils()->quiz_next_question_order_id($quiz_id); |
| 705 | |
| 706 | $new_question_data = array( |
| 707 | 'quiz_id' => $quiz_id, |
| 708 | 'question_title' => __('Question ').$next_question_id, |
| 709 | 'question_description' => '', |
| 710 | 'question_type' => 'true_false', |
| 711 | 'question_mark' => 1, |
| 712 | 'question_settings' => maybe_serialize(array()), |
| 713 | 'question_order' => $next_question_order, |
| 714 | ); |
| 715 | |
| 716 | $wpdb->insert($wpdb->prefix.'tutor_quiz_questions', $new_question_data); |
| 717 | $question_id = $wpdb->insert_id; |
| 718 | } |
| 719 | |
| 720 | $question = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions where question_id = {$question_id} "); |
| 721 | |
| 722 | ob_start(); |
| 723 | include tutor()->path.'views/modal/question_form.php'; |
| 724 | $output = ob_get_clean(); |
| 725 | |
| 726 | wp_send_json_success(array('output' => $output)); |
| 727 | } |
| 728 | |
| 729 | public function tutor_quiz_modal_update_question(){ |
| 730 | global $wpdb; |
| 731 | |
| 732 | $question_data = $_POST['tutor_quiz_question']; |
| 733 | |
| 734 | foreach ($question_data as $question_id => $question){ |
| 735 | $question_title = sanitize_text_field($question['question_title']); |
| 736 | $question_description = $question['question_description']; |
| 737 | $question_type = $question['question_type']; |
| 738 | $question_mark = $question['question_mark']; |
| 739 | |
| 740 | unset($question['question_title']); |
| 741 | unset($question['question_description']); |
| 742 | |
| 743 | $data = array( |
| 744 | 'question_title' => $question_title, |
| 745 | 'question_description' => $question_description, |
| 746 | 'question_type' => $question_type, |
| 747 | 'question_mark' => $question_mark, |
| 748 | 'question_settings' => maybe_serialize($question), |
| 749 | ); |
| 750 | |
| 751 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', $data, array('question_id' => $question_id) ); |
| 752 | |
| 753 | |
| 754 | /** |
| 755 | * Validation |
| 756 | */ |
| 757 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 758 | $question_options = tutils()->get_answers_by_quiz_question($question_id); |
| 759 | if (tutils()->count($question_options)){ |
| 760 | $required_validate = true; |
| 761 | foreach ($question_options as $question_option){ |
| 762 | if ($question_option->is_correct){ |
| 763 | $required_validate = false; |
| 764 | } |
| 765 | } |
| 766 | if ($required_validate){ |
| 767 | $validation_msg = "<p class='tutor-error-msg'>".__('Please select the correct answer', 'tutor')."</p>"; |
| 768 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 769 | } |
| 770 | }else{ |
| 771 | $validation_msg = "<p class='tutor-error-msg'>".__('Please make sure you have added more than one option and saved them', 'tutor')."</p>"; |
| 772 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 773 | } |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | wp_send_json_success(); |
| 778 | } |
| 779 | |
| 780 | public function tutor_quiz_builder_question_delete(){ |
| 781 | global $wpdb; |
| 782 | |
| 783 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 784 | if ($question_id){ |
| 785 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('question_id' => $question_id)); |
| 786 | } |
| 787 | |
| 788 | wp_send_json_success(); |
| 789 | } |
| 790 | |
| 791 | /** |
| 792 | * Get answers options form for quiz question |
| 793 | * |
| 794 | * @since v.1.0.0 |
| 795 | */ |
| 796 | public function tutor_quiz_add_question_answers(){ |
| 797 | $question_id = sanitize_text_field($_POST['question_id']); |
| 798 | $question = tutor_utils()->avalue_dot($question_id, $_POST['tutor_quiz_question']); |
| 799 | $question_type = $question['question_type']; |
| 800 | |
| 801 | ob_start(); |
| 802 | include tutor()->path.'views/modal/question_answer_form.php'; |
| 803 | $output = ob_get_clean(); |
| 804 | |
| 805 | wp_send_json_success(array('output' => $output)); |
| 806 | } |
| 807 | |
| 808 | /** |
| 809 | * Edit Answer Form |
| 810 | * |
| 811 | * @since v.1.0.0 |
| 812 | */ |
| 813 | public function tutor_quiz_edit_question_answer(){ |
| 814 | $answer_id = (int) sanitize_text_field($_POST['answer_id']); |
| 815 | $old_answer = tutor_utils()->get_answer_by_id($answer_id); |
| 816 | foreach ($old_answer as $old_answer); |
| 817 | $question_id = $old_answer->belongs_question_id; |
| 818 | $question_type = $old_answer->belongs_question_type; |
| 819 | |
| 820 | ob_start(); |
| 821 | include tutor()->path.'views/modal/question_answer_edit_form.php'; |
| 822 | $output = ob_get_clean(); |
| 823 | |
| 824 | wp_send_json_success(array('output' => $output)); |
| 825 | } |
| 826 | |
| 827 | public function tutor_save_quiz_answer_options(){ |
| 828 | global $wpdb; |
| 829 | |
| 830 | $questions = $_POST['tutor_quiz_question']; |
| 831 | $answers = $_POST['quiz_answer']; |
| 832 | |
| 833 | foreach ($answers as $question_id => $answer){ |
| 834 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 835 | $question_type = $question['question_type']; |
| 836 | |
| 837 | //Getting next sorting order |
| 838 | $next_order_id = (int) $wpdb->get_var("SELECT MAX(answer_order) FROM {$wpdb->prefix}tutor_quiz_question_answers where belongs_question_id = {$question_id} AND belongs_question_type = '{$question_type}' "); |
| 839 | $next_order_id = $next_order_id + 1; |
| 840 | |
| 841 | if ($question){ |
| 842 | if ($question_type === 'true_false'){ |
| 843 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 844 | $data_true_false = array( |
| 845 | array( |
| 846 | 'belongs_question_id' => $question_id, |
| 847 | 'belongs_question_type' => $question_type, |
| 848 | 'answer_title' => __('True', 'tutor'), |
| 849 | 'is_correct' => $answer['true_false'] == 'true' ? 1 : 0, |
| 850 | 'answer_two_gap_match' => 'true', |
| 851 | ), |
| 852 | array( |
| 853 | 'belongs_question_id' => $question_id, |
| 854 | 'belongs_question_type' => $question_type, |
| 855 | 'answer_title' => __('False', 'tutor'), |
| 856 | 'is_correct' => $answer['true_false'] == 'false' ? 1 : 0, |
| 857 | 'answer_two_gap_match' => 'false', |
| 858 | ), |
| 859 | ); |
| 860 | |
| 861 | foreach ($data_true_false as $true_false_data){ |
| 862 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $true_false_data); |
| 863 | } |
| 864 | |
| 865 | }elseif($question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || |
| 866 | $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'image_answering' ){ |
| 867 | |
| 868 | $answer_data = array( |
| 869 | 'belongs_question_id' => $question_id, |
| 870 | 'belongs_question_type' => $question_type, |
| 871 | 'answer_title' => $answer['answer_title'], |
| 872 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 873 | 'answer_view_format' => isset($answer['answer_view_format']) ? $answer['answer_view_format'] : 0, |
| 874 | 'answer_order' => $next_order_id, |
| 875 | ); |
| 876 | if (isset($answer['matched_answer_title'])){ |
| 877 | $answer_data['answer_two_gap_match'] = $answer['matched_answer_title']; |
| 878 | } |
| 879 | |
| 880 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 881 | |
| 882 | }elseif($question_type === 'fill_in_the_blank'){ |
| 883 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 884 | $answer_data = array( |
| 885 | 'belongs_question_id' => $question_id, |
| 886 | 'belongs_question_type' => $question_type, |
| 887 | 'answer_title' => $answer['answer_title'], |
| 888 | 'answer_two_gap_match' => isset($answer['answer_two_gap_match']) ? strtolower(trim($answer['answer_two_gap_match'])) : null, |
| 889 | ); |
| 890 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 891 | } |
| 892 | } |
| 893 | } |
| 894 | |
| 895 | wp_send_json_success(); |
| 896 | } |
| 897 | |
| 898 | /** |
| 899 | * Tutor Update Answer |
| 900 | * |
| 901 | * @since v.1.0.0 |
| 902 | */ |
| 903 | public function tutor_update_quiz_answer_options(){ |
| 904 | global $wpdb; |
| 905 | |
| 906 | $answer_id = (int) sanitize_text_field($_POST['tutor_quiz_answer_id']); |
| 907 | $questions = $_POST['tutor_quiz_question']; |
| 908 | $answers = $_POST['quiz_answer']; |
| 909 | |
| 910 | foreach ($answers as $question_id => $answer){ |
| 911 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 912 | $question_type = $question['question_type']; |
| 913 | |
| 914 | if ($question){ |
| 915 | 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' ){ |
| 916 | |
| 917 | $answer_data = array( |
| 918 | 'belongs_question_id' => $question_id, |
| 919 | 'belongs_question_type' => $question_type, |
| 920 | 'answer_title' => $answer['answer_title'], |
| 921 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 922 | 'answer_view_format' => isset($answer['answer_view_format']) ? $answer['answer_view_format'] : '', |
| 923 | ); |
| 924 | if (isset($answer['matched_answer_title'])){ |
| 925 | $answer_data['answer_two_gap_match'] = $answer['matched_answer_title']; |
| 926 | } |
| 927 | |
| 928 | if ($question_type === 'fill_in_the_blank'){ |
| 929 | $answer_data['answer_two_gap_match'] = isset($answer['answer_two_gap_match']) ? strtolower(trim($answer['answer_two_gap_match'])) : null; |
| 930 | } |
| 931 | |
| 932 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', $answer_data, array('answer_id' => $answer_id)); |
| 933 | } |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | //die(print_r($_POST)); |
| 938 | wp_send_json_success(); |
| 939 | } |
| 940 | |
| 941 | public function tutor_quiz_builder_get_answers_by_question(){ |
| 942 | global $wpdb; |
| 943 | $question_id = sanitize_text_field($_POST['question_id']); |
| 944 | $question_type = sanitize_text_field($_POST['question_type']); |
| 945 | |
| 946 | $question = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id = {$question_id} "); |
| 947 | $answers = $wpdb->get_results("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers where belongs_question_id = {$question_id} AND belongs_question_type = '{$question_type}' order by answer_order asc ;"); |
| 948 | |
| 949 | ob_start(); |
| 950 | |
| 951 | /* |
| 952 | * @TODO: Should We remove this text? |
| 953 | * Screenshot: http://prntscr.com/ngl2mb |
| 954 | * Screenshot: http://prntscr.com/ngl2ak |
| 955 | */ |
| 956 | |
| 957 | switch ($question_type){ |
| 958 | case 'true_false': |
| 959 | echo '<label>'.__('Answer options & mark correct', 'tutor').'</label>'; |
| 960 | break; |
| 961 | case 'ordering': |
| 962 | echo '<label>'.__('Make sure you’re saving the answers in the right order. Students will have to match this order exactly.', 'tutor').'</label>'; |
| 963 | break; |
| 964 | } |
| 965 | |
| 966 | if (is_array($answers) && count($answers)){ |
| 967 | foreach ($answers as $answer){ |
| 968 | ?> |
| 969 | <div class="tutor-quiz-answer-wrap" data-answer-id="<?php echo $answer->answer_id; ?>"> |
| 970 | <div class="tutor-quiz-answer"> |
| 971 | <span class="tutor-quiz-answer-title"> |
| 972 | <?php |
| 973 | echo stripslashes($answer->answer_title); |
| 974 | if ($answer->belongs_question_type === 'fill_in_the_blank'){ |
| 975 | echo ' ('.__('Answer', 'tutor').' : '; |
| 976 | echo "<strong>{$answer->answer_two_gap_match} </strong>)"; |
| 977 | } |
| 978 | if ($answer->belongs_question_type === 'matching'){ |
| 979 | echo " - {$answer->answer_two_gap_match}"; |
| 980 | } |
| 981 | ?> |
| 982 | </span> |
| 983 | |
| 984 | <?php |
| 985 | if ($answer->image_id){ |
| 986 | echo '<span class="tutor-question-answer-image"><img src="'.wp_get_attachment_image_url($answer->image_id).'" /> </span>'; |
| 987 | } |
| 988 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 989 | ?> |
| 990 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 991 | <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, $answer->is_correct); ?> > |
| 992 | </span> |
| 993 | <?php |
| 994 | }elseif ($question_type === 'multiple_choice'){ |
| 995 | ?> |
| 996 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 997 | <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); ?> > |
| 998 | </span> |
| 999 | <?php |
| 1000 | } |
| 1001 | ?> |
| 1002 | <span class="tutor-quiz-answer-edit"> |
| 1003 | <a href="javascript:;"><i class="tutor-icon-pencil"></i> </a> |
| 1004 | </span> |
| 1005 | <span class="tutor-quiz-answer-sort-icon"><i class="tutor-icon-menu-2"></i> </span> |
| 1006 | </div> |
| 1007 | |
| 1008 | <div class="tutor-quiz-answer-trash-wrap"> |
| 1009 | <a href="javascript:;" class="answer-trash-btn" data-answer-id="<?php echo $answer->answer_id; ?>"><i class="tutor-icon-garbage"></i> </a> |
| 1010 | </div> |
| 1011 | </div> |
| 1012 | <?php |
| 1013 | } |
| 1014 | } |
| 1015 | $output = ob_get_clean(); |
| 1016 | |
| 1017 | wp_send_json_success(array('output' => $output)); |
| 1018 | } |
| 1019 | |
| 1020 | public function tutor_quiz_builder_delete_answer(){ |
| 1021 | global $wpdb; |
| 1022 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 1023 | |
| 1024 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('answer_id' => $answer_id)); |
| 1025 | wp_send_json_success(); |
| 1026 | } |
| 1027 | |
| 1028 | /** |
| 1029 | * Save quiz questions sorting |
| 1030 | */ |
| 1031 | public function tutor_quiz_question_sorting(){ |
| 1032 | global $wpdb; |
| 1033 | |
| 1034 | $question_ids = tutor_utils()->avalue_dot('sorted_question_ids', $_POST); |
| 1035 | if (is_array($question_ids) && count($question_ids) ){ |
| 1036 | $i = 0; |
| 1037 | foreach ($question_ids as $key => $question_id){ |
| 1038 | $i++; |
| 1039 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', array('question_order' => $i), array('question_id' => $question_id)); |
| 1040 | } |
| 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | /** |
| 1045 | * Save sorting data for quiz answers |
| 1046 | */ |
| 1047 | public function tutor_quiz_answer_sorting(){ |
| 1048 | global $wpdb; |
| 1049 | |
| 1050 | if ( ! empty($_POST['sorted_answer_ids']) && is_array($_POST['sorted_answer_ids']) && count($_POST['sorted_answer_ids']) ){ |
| 1051 | $answer_ids = $_POST['sorted_answer_ids']; |
| 1052 | $i = 0; |
| 1053 | foreach ($answer_ids as $key => $answer_id){ |
| 1054 | $i++; |
| 1055 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('answer_order' => $i), array('answer_id' => $answer_id)); |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | } |
| 1060 | |
| 1061 | /** |
| 1062 | * Mark answer as correct |
| 1063 | */ |
| 1064 | |
| 1065 | public function tutor_mark_answer_as_correct(){ |
| 1066 | global $wpdb; |
| 1067 | |
| 1068 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 1069 | $inputValue = sanitize_text_field($_POST['inputValue']); |
| 1070 | |
| 1071 | $answer = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = {$answer_id} LIMIT 0,1 ;"); |
| 1072 | if ($answer->belongs_question_type === 'single_choice'){ |
| 1073 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => 0), array('belongs_question_id' => $answer->belongs_question_id)); |
| 1074 | } |
| 1075 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => $inputValue), array('answer_id' => $answer_id)); |
| 1076 | } |
| 1077 | |
| 1078 | /** |
| 1079 | * Update quiz settings from modal |
| 1080 | * |
| 1081 | * @since : v.1.0.0 |
| 1082 | */ |
| 1083 | public function tutor_quiz_modal_update_settings(){ |
| 1084 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 1085 | |
| 1086 | $quiz_option = tutor_utils()->sanitize_array($_POST['quiz_option']); |
| 1087 | update_post_meta($quiz_id, 'tutor_quiz_option', $quiz_option); |
| 1088 | |
| 1089 | do_action('tutor_quiz_settings_updated', $quiz_id); |
| 1090 | |
| 1091 | wp_send_json_success(); |
| 1092 | } |
| 1093 | |
| 1094 | |
| 1095 | //=========================// |
| 1096 | // Front end stuffs |
| 1097 | //=========================// |
| 1098 | |
| 1099 | /** |
| 1100 | * Rendering quiz for frontend |
| 1101 | * |
| 1102 | * @since v.1.0.0 |
| 1103 | */ |
| 1104 | |
| 1105 | public function tutor_render_quiz_content(){ |
| 1106 | $quiz_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('quiz_id', $_POST)); |
| 1107 | |
| 1108 | ob_start(); |
| 1109 | global $post; |
| 1110 | |
| 1111 | $post = get_post($quiz_id); |
| 1112 | setup_postdata($post); |
| 1113 | //tutor_lesson_content(); |
| 1114 | |
| 1115 | single_quiz_contents(); |
| 1116 | |
| 1117 | wp_reset_postdata(); |
| 1118 | |
| 1119 | |
| 1120 | $html = ob_get_clean(); |
| 1121 | wp_send_json_success(array('html' => $html)); |
| 1122 | } |
| 1123 | |
| 1124 | |
| 1125 | } |