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Quiz.php
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Quiz.php
995 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_action('save_post_tutor_quiz', array($this, 'save_quiz_meta')); |
| 21 | |
| 22 | add_action('wp_ajax_tutor_load_quiz_builder_modal', array($this, 'tutor_load_quiz_builder_modal')); |
| 23 | add_action('wp_ajax_remove_quiz_from_post', array($this, 'remove_quiz_from_post')); |
| 24 | |
| 25 | add_action('wp_ajax_tutor_quiz_timeout', array($this, 'tutor_quiz_timeout')); |
| 26 | |
| 27 | //User take the quiz |
| 28 | add_action('template_redirect', array($this, 'start_the_quiz')); |
| 29 | add_action('template_redirect', array($this, 'answering_quiz')); |
| 30 | add_action('template_redirect', array($this, 'finishing_quiz_attempt')); |
| 31 | |
| 32 | add_action('admin_action_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 33 | add_action('wp_ajax_review_quiz_answer', array($this, 'review_quiz_answer')); |
| 34 | |
| 35 | /** |
| 36 | * New Design Quiz |
| 37 | */ |
| 38 | |
| 39 | add_action('wp_ajax_tutor_create_quiz_and_load_modal', array($this, 'tutor_create_quiz_and_load_modal')); |
| 40 | add_action('wp_ajax_tutor_delete_quiz_by_id', array($this, 'tutor_delete_quiz_by_id')); |
| 41 | add_action('wp_ajax_tutor_quiz_builder_quiz_update', array($this, 'tutor_quiz_builder_quiz_update')); |
| 42 | add_action('wp_ajax_tutor_load_edit_quiz_modal', array($this, 'tutor_load_edit_quiz_modal')); |
| 43 | add_action('wp_ajax_tutor_quiz_builder_get_question_form', array($this, 'tutor_quiz_builder_get_question_form')); |
| 44 | add_action('wp_ajax_tutor_quiz_modal_update_question', array($this, 'tutor_quiz_modal_update_question')); |
| 45 | add_action('wp_ajax_tutor_quiz_builder_question_delete', array($this, 'tutor_quiz_builder_question_delete')); |
| 46 | add_action('wp_ajax_tutor_quiz_add_question_answers', array($this, 'tutor_quiz_add_question_answers')); |
| 47 | add_action('wp_ajax_tutor_quiz_edit_question_answer', array($this, 'tutor_quiz_edit_question_answer')); |
| 48 | add_action('wp_ajax_tutor_save_quiz_answer_options', array($this, 'tutor_save_quiz_answer_options')); |
| 49 | add_action('wp_ajax_tutor_update_quiz_answer_options', array($this, 'tutor_update_quiz_answer_options')); |
| 50 | add_action('wp_ajax_tutor_quiz_builder_get_answers_by_question', array($this, 'tutor_quiz_builder_get_answers_by_question')); |
| 51 | add_action('wp_ajax_tutor_quiz_builder_delete_answer', array($this, 'tutor_quiz_builder_delete_answer')); |
| 52 | add_action('wp_ajax_tutor_quiz_question_sorting', array($this, 'tutor_quiz_question_sorting')); |
| 53 | add_action('wp_ajax_tutor_quiz_answer_sorting', array($this, 'tutor_quiz_answer_sorting')); |
| 54 | add_action('wp_ajax_tutor_mark_answer_as_correct', array($this, 'tutor_mark_answer_as_correct')); |
| 55 | add_action('wp_ajax_tutor_quiz_modal_update_settings', array($this, 'tutor_quiz_modal_update_settings')); |
| 56 | |
| 57 | /** |
| 58 | * Frontend Stuff |
| 59 | */ |
| 60 | add_action('wp_ajax_tutor_render_quiz_content', array($this, 'tutor_render_quiz_content')); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | public function save_quiz_meta($post_ID){ |
| 65 | if (isset($_POST['quiz_option'])){ |
| 66 | $quiz_option = tutor_utils()->sanitize_array($_POST['quiz_option']); |
| 67 | update_post_meta($post_ID, 'tutor_quiz_option', $quiz_option); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Tutor Quiz Builder Modal |
| 73 | */ |
| 74 | public function tutor_load_quiz_builder_modal(){ |
| 75 | ob_start(); |
| 76 | include tutor()->path.'views/modal/add_quiz.php'; |
| 77 | $output = ob_get_clean(); |
| 78 | |
| 79 | wp_send_json_success(array('output' => $output)); |
| 80 | |
| 81 | } |
| 82 | |
| 83 | public function remove_quiz_from_post(){ |
| 84 | global $wpdb; |
| 85 | $quiz_id = (int) tutor_utils()->avalue_dot('quiz_id', $_POST); |
| 86 | $wpdb->update($wpdb->posts, array('post_parent' => 0), array('ID' => $quiz_id) ); |
| 87 | wp_send_json_success(); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * |
| 92 | * Start Quiz from here... |
| 93 | * |
| 94 | * @since v.1.0.0 |
| 95 | */ |
| 96 | |
| 97 | public function start_the_quiz(){ |
| 98 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_start_quiz' ){ |
| 99 | return; |
| 100 | } |
| 101 | //Checking nonce |
| 102 | tutor_utils()->checking_nonce(); |
| 103 | |
| 104 | if ( ! is_user_logged_in()){ |
| 105 | //TODO: need to set a view in the next version |
| 106 | die('Please sign in to do this operation'); |
| 107 | } |
| 108 | |
| 109 | global $wpdb; |
| 110 | |
| 111 | $user_id = get_current_user_id(); |
| 112 | $user = get_userdata($user_id); |
| 113 | |
| 114 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 115 | |
| 116 | $quiz = get_post($quiz_id); |
| 117 | $course = tutor_utils()->get_course_by_quiz($quiz_id); |
| 118 | if ( empty($course->ID)){ |
| 119 | die('There is something went wrong with course, please check if quiz attached with a course'); |
| 120 | } |
| 121 | |
| 122 | $date = date("Y-m-d H:i:s"); |
| 123 | |
| 124 | $tutor_quiz_option = (array) maybe_unserialize(get_post_meta($quiz_id, 'tutor_quiz_option', true)); |
| 125 | $attempts_allowed = tutor_utils()->get_quiz_option($quiz_id, 'attempts_allowed', 0); |
| 126 | |
| 127 | $time_limit = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_value'); |
| 128 | $time_limit_seconds = 0; |
| 129 | $time_type = 'seconds'; |
| 130 | if ($time_limit){ |
| 131 | $time_type = tutor_utils()->get_quiz_option($quiz_id, 'time_limit.time_type'); |
| 132 | |
| 133 | switch ($time_type){ |
| 134 | case 'seconds': |
| 135 | $time_limit_seconds = $time_limit; |
| 136 | break; |
| 137 | case 'minutes': |
| 138 | $time_limit_seconds = $time_limit * 60; |
| 139 | break; |
| 140 | case 'hours': |
| 141 | $time_limit_seconds = $time_limit * 60 * 60; |
| 142 | break; |
| 143 | case 'days': |
| 144 | $time_limit_seconds = $time_limit * 60 * 60 * 24; |
| 145 | break; |
| 146 | case 'weeks': |
| 147 | $time_limit_seconds = $time_limit * 60 * 60 * 24 * 7; |
| 148 | break; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | $max_question_allowed = tutor_utils()->max_questions_for_take_quiz($quiz_id); |
| 153 | $tutor_quiz_option['time_limit']['time_limit_seconds'] = $time_limit_seconds; |
| 154 | |
| 155 | $attempt_data = array( |
| 156 | 'course_id' => $course->ID, |
| 157 | 'quiz_id' => $quiz_id, |
| 158 | 'user_id' => $user_id, |
| 159 | 'total_questions' => $max_question_allowed, |
| 160 | 'total_answered_questions' => 0, |
| 161 | 'attempt_info' => maybe_serialize($tutor_quiz_option), |
| 162 | 'attempt_status' => 'attempt_started', |
| 163 | 'attempt_ip' => tutor_utils()->get_ip(), |
| 164 | 'attempt_started_at' => $date, |
| 165 | ); |
| 166 | |
| 167 | $wpdb->insert($wpdb->prefix.'tutor_quiz_attempts', $attempt_data); |
| 168 | $attempt_id = (int) $wpdb->insert_id; |
| 169 | |
| 170 | wp_redirect(get_permalink($quiz_id)); |
| 171 | die(); |
| 172 | } |
| 173 | |
| 174 | public function answering_quiz(){ |
| 175 | if ( tutils()->array_get('tutor_action', $_POST) !== 'tutor_answering_quiz_question' ){ |
| 176 | return; |
| 177 | } |
| 178 | //Checking nonce |
| 179 | tutor_utils()->checking_nonce(); |
| 180 | |
| 181 | $attempt_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('attempt_id', $_POST)); |
| 182 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 183 | |
| 184 | $attempt_answers = isset($_POST['attempt']) ? $_POST['attempt'] : false; |
| 185 | if ( ! is_user_logged_in()){ |
| 186 | die('Please sign in to do this operation'); |
| 187 | } |
| 188 | |
| 189 | global $wpdb; |
| 190 | $user_id = get_current_user_id(); |
| 191 | |
| 192 | do_action('tutor_quiz/attempt_analysing/before', $attempt_id); |
| 193 | |
| 194 | if ($attempt_answers && is_array($attempt_answers) && count($attempt_answers)){ |
| 195 | foreach ($attempt_answers as $attempt_id => $attempt_answers){ |
| 196 | |
| 197 | /** |
| 198 | * Get total marks of all question comes |
| 199 | */ |
| 200 | $question_ids = tutor_utils()->avalue_dot('quiz_question_ids', $attempt_answers); |
| 201 | if (is_array($question_ids) && count($question_ids)){ |
| 202 | $question_ids_string = "'".implode("','", $question_ids)."'"; |
| 203 | $total_question_marks = $wpdb->get_var("SELECT SUM(question_mark) FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id IN({$question_ids_string}) ;"); |
| 204 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', array('total_marks' =>$total_question_marks ), array('attempt_id' => $attempt_id )); |
| 205 | } |
| 206 | |
| 207 | if ( ! $attempt || $user_id != $attempt->user_id){ |
| 208 | die('Operation not allowed, attempt not found or permission denied'); |
| 209 | } |
| 210 | |
| 211 | $quiz_answers = tutor_utils()->avalue_dot('quiz_question', $attempt_answers); |
| 212 | |
| 213 | $total_marks = 0; |
| 214 | |
| 215 | if ( tutils()->count($quiz_answers)) { |
| 216 | |
| 217 | foreach ( $quiz_answers as $question_id => $answers ) { |
| 218 | $question = tutor_utils()->get_quiz_question_by_id( $question_id ); |
| 219 | $question_type = $question->question_type; |
| 220 | |
| 221 | $is_answer_was_correct = false; |
| 222 | $given_answer = ''; |
| 223 | |
| 224 | if ( $question_type === 'true_false' || $question_type === 'single_choice' ) { |
| 225 | |
| 226 | $given_answer = $answers; |
| 227 | $is_answer_was_correct = (bool) $wpdb->get_var( "SELECT is_correct FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = {$answers} " ); |
| 228 | |
| 229 | } elseif ( $question_type === 'multiple_choice' ) { |
| 230 | |
| 231 | $given_answer = maybe_serialize( $answers ); |
| 232 | $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 ;" ); |
| 233 | if ( maybe_serialize( $get_original_answers ) == $given_answer ) { |
| 234 | $is_answer_was_correct = true; |
| 235 | } |
| 236 | |
| 237 | } elseif ( $question_type === 'fill_in_the_blank' ) { |
| 238 | |
| 239 | $given_answer = (array) array_map( 'sanitize_text_field', $answers ); |
| 240 | $given_answer = maybe_serialize( $given_answer ); |
| 241 | |
| 242 | $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}' ;" ); |
| 243 | $gap_answer = (array) explode( '|', $get_original_answer->answer_two_gap_match ); |
| 244 | |
| 245 | $gap_answer = array_map( 'sanitize_text_field', $gap_answer ); |
| 246 | if ( $given_answer == maybe_serialize( $gap_answer ) ) { |
| 247 | $is_answer_was_correct = true; |
| 248 | } |
| 249 | |
| 250 | } elseif ( $question_type === 'open_ended' || $question_type === 'short_answer' ) { |
| 251 | |
| 252 | $given_answer = wp_kses_post( $answers ); |
| 253 | |
| 254 | } elseif ( $question_type === 'ordering' || $question_type === 'matching' || $question_type === 'image_matching' ) { |
| 255 | |
| 256 | $given_answer = (array) array_map( 'sanitize_text_field', tutor_utils()->avalue_dot( 'answers', $answers ) ); |
| 257 | $given_answer = maybe_serialize( $given_answer ); |
| 258 | |
| 259 | $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 ;" ); |
| 260 | $get_original_answers = array_map( 'sanitize_text_field', $get_original_answers ); |
| 261 | |
| 262 | if ( $given_answer == maybe_serialize( $get_original_answers ) ) { |
| 263 | $is_answer_was_correct = true; |
| 264 | } |
| 265 | |
| 266 | } elseif ( $question_type === 'image_answering' ) { |
| 267 | echo '<pre>'; |
| 268 | |
| 269 | $image_inputs = tutor_utils()->avalue_dot( 'answer_id', $answers ); |
| 270 | $image_inputs = (array) array_map( 'sanitize_text_field', $image_inputs ); |
| 271 | $given_answer = maybe_serialize( $image_inputs ); |
| 272 | $is_answer_was_correct = false; |
| 273 | |
| 274 | $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 = |
| 275 | 'image_answering' ORDER BY answer_order asc ;" ); |
| 276 | |
| 277 | if ( is_array( $db_answer ) && count( $db_answer ) ) { |
| 278 | $is_answer_was_correct = ( strtolower( maybe_serialize( array_values( $image_inputs ) ) ) == strtolower( maybe_serialize( $db_answer ) ) ); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | $question_mark = $is_answer_was_correct ? $question->question_mark : 0; |
| 283 | $total_marks += $question_mark; |
| 284 | |
| 285 | $answers_data = array( |
| 286 | 'user_id' => $user_id, |
| 287 | 'quiz_id' => $attempt->quiz_id, |
| 288 | 'question_id' => $question_id, |
| 289 | 'quiz_attempt_id' => $attempt_id, |
| 290 | 'given_answer' => $given_answer, |
| 291 | 'question_mark' => $question->question_mark, |
| 292 | 'achieved_mark' => $question_mark, |
| 293 | 'minus_mark' => 0, |
| 294 | 'is_correct' => $is_answer_was_correct ? 1 : 0, |
| 295 | ); |
| 296 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answers_data ); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | $attempt_info = array( |
| 301 | 'total_answered_questions' => tutils()->count($quiz_answers), |
| 302 | 'earned_marks' => $total_marks, |
| 303 | 'attempt_status' => 'attempt_ended', |
| 304 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 305 | ); |
| 306 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 307 | } |
| 308 | |
| 309 | do_action('tutor_quiz/attempt_ended', $attempt_id); |
| 310 | } |
| 311 | |
| 312 | wp_redirect(get_the_permalink($attempt->quiz_id)); |
| 313 | die(); |
| 314 | } |
| 315 | |
| 316 | |
| 317 | /** |
| 318 | * Quiz attempt will be finish here |
| 319 | * |
| 320 | */ |
| 321 | |
| 322 | public function finishing_quiz_attempt(){ |
| 323 | if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_finish_quiz_attempt' ){ |
| 324 | return; |
| 325 | } |
| 326 | //Checking nonce |
| 327 | tutor_utils()->checking_nonce(); |
| 328 | |
| 329 | if ( ! is_user_logged_in()){ |
| 330 | die('Please sign in to do this operation'); |
| 331 | } |
| 332 | |
| 333 | global $wpdb; |
| 334 | |
| 335 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 336 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 337 | $attempt_id = $attempt->attempt_id; |
| 338 | |
| 339 | $attempt_info = array( |
| 340 | 'total_answered_questions' => 0, |
| 341 | 'earned_marks' => 0, |
| 342 | 'attempt_status' => 'attempt_ended', |
| 343 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 344 | ); |
| 345 | |
| 346 | do_action('tutor_quiz_before_finish', $attempt_id, $quiz_id, $attempt->user_id); |
| 347 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_info, array('attempt_id' => $attempt_id)); |
| 348 | do_action('tutor_quiz_finished', $attempt_id, $quiz_id, $attempt->user_id); |
| 349 | |
| 350 | wp_redirect(tutor_utils()->input_old('_wp_http_referer')); |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * Quiz timeout by ajax |
| 355 | */ |
| 356 | public function tutor_quiz_timeout(){ |
| 357 | global $wpdb; |
| 358 | |
| 359 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 360 | $attempt = tutor_utils()->is_started_quiz($quiz_id); |
| 361 | |
| 362 | if ($attempt) { |
| 363 | $attempt_id = $attempt->attempt_id; |
| 364 | |
| 365 | $data = array( |
| 366 | 'attempt_status' => 'attempt_timeout', |
| 367 | 'attempt_ended_at' => date("Y-m-d H:i:s"), |
| 368 | ); |
| 369 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $data, array('attempt_id' => $attempt->attempt_id)); |
| 370 | |
| 371 | do_action('tutor_quiz_timeout', $attempt_id, $quiz_id, $attempt->user_id); |
| 372 | |
| 373 | wp_send_json_success(); |
| 374 | } |
| 375 | |
| 376 | wp_send_json_error(__('Quiz has been timeout already', 'tutor')); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Review the answer and change individual answer result |
| 381 | */ |
| 382 | |
| 383 | public function review_quiz_answer(){ |
| 384 | global $wpdb; |
| 385 | $attempt_id = (int) sanitize_text_field($_GET['attempt_id']); |
| 386 | $attempt_answer_id = (int) sanitize_text_field($_GET['attempt_answer_id']); |
| 387 | $mark_as = sanitize_text_field($_GET['mark_as']); |
| 388 | |
| 389 | $attempt_answer = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE attempt_answer_id = {$attempt_answer_id} "); |
| 390 | $attempt = tutor_utils()->get_attempt($attempt_id); |
| 391 | |
| 392 | $is_correct = (int) $attempt_answer->is_correct; |
| 393 | |
| 394 | do_action('tutor_quiz_review_answer_before', $attempt_answer_id, $attempt_id, $mark_as); |
| 395 | |
| 396 | if ($mark_as === 'correct' && ! $is_correct){ |
| 397 | |
| 398 | $answer_update_data = array( |
| 399 | 'achieved_mark' => $attempt_answer->question_mark, |
| 400 | 'is_correct' => 1, |
| 401 | ); |
| 402 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 403 | |
| 404 | $attempt_update_data = array( |
| 405 | 'earned_marks' => $attempt->earned_marks + $attempt_answer->question_mark, |
| 406 | 'is_manually_reviewed' => 1, |
| 407 | 'manually_reviewed_at' => date("Y-m-d H:i:s"), |
| 408 | ); |
| 409 | |
| 410 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 411 | |
| 412 | }elseif($mark_as === 'incorrect' && $is_correct){ |
| 413 | |
| 414 | $answer_update_data = array( |
| 415 | 'achieved_mark' => '0.00', |
| 416 | 'is_correct' => 0, |
| 417 | ); |
| 418 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempt_answers', $answer_update_data, array('attempt_answer_id' => $attempt_answer_id )); |
| 419 | |
| 420 | $attempt_update_data = array( |
| 421 | 'earned_marks' => $attempt->earned_marks - $attempt_answer->question_mark, |
| 422 | 'is_manually_reviewed' => 1, |
| 423 | 'manually_reviewed_at' => date("Y-m-d H:i:s"), |
| 424 | ); |
| 425 | |
| 426 | $wpdb->update($wpdb->prefix.'tutor_quiz_attempts', $attempt_update_data, array('attempt_id' => $attempt_id )); |
| 427 | } |
| 428 | do_action('tutor_quiz_review_answer_after', $attempt_answer_id, $attempt_id, $mark_as); |
| 429 | |
| 430 | if (wp_doing_ajax()){ |
| 431 | wp_send_json_success(); |
| 432 | }else{ |
| 433 | wp_redirect(admin_url("admin.php?page=tutor_quiz_attempts&sub_page=view_attempt&attempt_id=".$attempt_id)); |
| 434 | } |
| 435 | |
| 436 | die(); |
| 437 | } |
| 438 | |
| 439 | |
| 440 | /** |
| 441 | * New Design Quiz |
| 442 | */ |
| 443 | public function tutor_create_quiz_and_load_modal(){ |
| 444 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 445 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 446 | $quiz_description = sanitize_text_field($_POST['quiz_description']); |
| 447 | $next_order_id = tutor_utils()->get_next_course_content_order_id($topic_id); |
| 448 | |
| 449 | $post_arr = array( |
| 450 | 'post_type' => 'tutor_quiz', |
| 451 | 'post_title' => $quiz_title, |
| 452 | 'post_content' => $quiz_description, |
| 453 | 'post_status' => 'publish', |
| 454 | 'post_author' => get_current_user_id(), |
| 455 | 'post_parent' => $topic_id, |
| 456 | 'menu_order' => $next_order_id, |
| 457 | ); |
| 458 | $quiz_id = wp_insert_post( $post_arr ); |
| 459 | do_action('tutor_initial_quiz_created', $quiz_id); |
| 460 | |
| 461 | ob_start(); |
| 462 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 463 | $output = ob_get_clean(); |
| 464 | |
| 465 | ob_start(); |
| 466 | ?> |
| 467 | <div id="tutor-quiz-<?php echo $quiz_id; ?>" class="course-content-item tutor-quiz tutor-quiz-<?php echo $quiz_id; ?>"> |
| 468 | <div class="tutor-lesson-top"> |
| 469 | <i class="tutor-icon-move"></i> |
| 470 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 471 | ?>"> <i class=" tutor-icon-doubt"></i>[QUIZ] <?php echo $quiz_title; ?> </a> |
| 472 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 473 | </div> |
| 474 | </div> |
| 475 | <?php |
| 476 | $output_quiz_row = ob_get_clean(); |
| 477 | |
| 478 | wp_send_json_success(array('output' => $output, 'output_quiz_row' => $output_quiz_row)); |
| 479 | } |
| 480 | |
| 481 | public function tutor_delete_quiz_by_id(){ |
| 482 | global $wpdb; |
| 483 | |
| 484 | $quiz_id = (int) sanitize_text_field($_POST['quiz_id']); |
| 485 | $post = get_post($quiz_id); |
| 486 | |
| 487 | if ( $post->post_type === 'tutor_quiz'){ |
| 488 | do_action('tutor_delete_quiz_before', $quiz_id); |
| 489 | |
| 490 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempts', array('quiz_id' => $quiz_id)); |
| 491 | $wpdb->delete($wpdb->prefix.'tutor_quiz_attempt_answers', array('quiz_id' => $quiz_id)); |
| 492 | |
| 493 | $questions_ids = $wpdb->get_col("SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = {$quiz_id} "); |
| 494 | if (is_array($questions_ids) && count($questions_ids)){ |
| 495 | $in_question_ids = "'".implode("','", $questions_ids)."'"; |
| 496 | $wpdb->query("DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) "); |
| 497 | } |
| 498 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('quiz_id' => $quiz_id)); |
| 499 | |
| 500 | wp_delete_post($quiz_id, true); |
| 501 | delete_post_meta($quiz_id, '_tutor_course_id_for_lesson'); |
| 502 | |
| 503 | do_action('tutor_delete_quiz_after', $quiz_id); |
| 504 | |
| 505 | |
| 506 | wp_send_json_success(); |
| 507 | } |
| 508 | |
| 509 | wp_send_json_error(); |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * Update Quiz from quiz builder modal |
| 514 | * |
| 515 | * @since v.1.0.0 |
| 516 | */ |
| 517 | public function tutor_quiz_builder_quiz_update(){ |
| 518 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 519 | $topic_id = sanitize_text_field($_POST['topic_id']); |
| 520 | $quiz_title = sanitize_text_field($_POST['quiz_title']); |
| 521 | $quiz_description = sanitize_text_field($_POST['quiz_description']); |
| 522 | |
| 523 | $post_arr = array( |
| 524 | 'ID' => $quiz_id, |
| 525 | 'post_title' => $quiz_title, |
| 526 | 'post_content' => $quiz_description, |
| 527 | |
| 528 | ); |
| 529 | $quiz_id = wp_update_post( $post_arr ); |
| 530 | |
| 531 | do_action('tutor_quiz_updated', $quiz_id); |
| 532 | |
| 533 | ob_start(); |
| 534 | ?> |
| 535 | <div class="tutor-lesson-top"> |
| 536 | <i class="tutor-icon-move"></i> |
| 537 | <a href="javascript:;" class="open-tutor-quiz-modal" data-quiz-id="<?php echo $quiz_id; ?>" data-topic-id="<?php echo $topic_id; |
| 538 | ?>"> <i class=" tutor-icon-doubt"></i>[QUIZ] <?php echo $quiz_title; ?> </a> |
| 539 | <a href="javascript:;" class="tutor-delete-quiz-btn" data-quiz-id="<?php echo $quiz_id; ?>"><i class="tutor-icon-garbage"></i></a> |
| 540 | </div> |
| 541 | <?php |
| 542 | $output_quiz_row = ob_get_clean(); |
| 543 | |
| 544 | wp_send_json_success(array('output_quiz_row' => $output_quiz_row)); |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * Load quiz Modal for edit quiz |
| 549 | * |
| 550 | * @since v.1.0.0 |
| 551 | */ |
| 552 | public function tutor_load_edit_quiz_modal(){ |
| 553 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 554 | |
| 555 | ob_start(); |
| 556 | include tutor()->path.'views/modal/edit_quiz.php'; |
| 557 | $output = ob_get_clean(); |
| 558 | |
| 559 | wp_send_json_success(array('output' => $output)); |
| 560 | } |
| 561 | |
| 562 | /** |
| 563 | * Load quiz question form for quiz |
| 564 | * |
| 565 | * @since v.1.0.0 |
| 566 | */ |
| 567 | public function tutor_quiz_builder_get_question_form(){ |
| 568 | global $wpdb; |
| 569 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 570 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 571 | |
| 572 | if ( ! $question_id){ |
| 573 | $next_question_id = tutor_utils()->quiz_next_question_id(); |
| 574 | $next_question_order = tutor_utils()->quiz_next_question_order_id($quiz_id); |
| 575 | |
| 576 | $new_question_data = array( |
| 577 | 'quiz_id' => $quiz_id, |
| 578 | 'question_title' => __('Question ').$next_question_id, |
| 579 | 'question_description' => '', |
| 580 | 'question_type' => 'true_false', |
| 581 | 'question_mark' => 1, |
| 582 | 'question_settings' => maybe_serialize(array()), |
| 583 | 'question_order' => $next_question_order, |
| 584 | ); |
| 585 | |
| 586 | $wpdb->insert($wpdb->prefix.'tutor_quiz_questions', $new_question_data); |
| 587 | $question_id = $wpdb->insert_id; |
| 588 | } |
| 589 | |
| 590 | $question = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions where question_id = {$question_id} "); |
| 591 | |
| 592 | ob_start(); |
| 593 | include tutor()->path.'views/modal/question_form.php'; |
| 594 | $output = ob_get_clean(); |
| 595 | |
| 596 | wp_send_json_success(array('output' => $output)); |
| 597 | } |
| 598 | |
| 599 | public function tutor_quiz_modal_update_question(){ |
| 600 | global $wpdb; |
| 601 | |
| 602 | $question_data = $_POST['tutor_quiz_question']; |
| 603 | |
| 604 | foreach ($question_data as $question_id => $question){ |
| 605 | $question_title = sanitize_text_field($question['question_title']); |
| 606 | $question_description = $question['question_description']; |
| 607 | $question_type = $question['question_type']; |
| 608 | $question_mark = $question['question_mark']; |
| 609 | |
| 610 | unset($question['question_title']); |
| 611 | unset($question['question_description']); |
| 612 | |
| 613 | $data = array( |
| 614 | 'question_title' => $question_title, |
| 615 | 'question_description' => $question_description, |
| 616 | 'question_type' => $question_type, |
| 617 | 'question_mark' => $question_mark, |
| 618 | 'question_settings' => maybe_serialize($question), |
| 619 | ); |
| 620 | |
| 621 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', $data, array('question_id' => $question_id) ); |
| 622 | |
| 623 | |
| 624 | /** |
| 625 | * Validation |
| 626 | */ |
| 627 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 628 | $question_options = tutils()->get_answers_by_quiz_question($question_id); |
| 629 | if (tutils()->count($question_options)){ |
| 630 | $required_validate = true; |
| 631 | foreach ($question_options as $question_option){ |
| 632 | if ($question_option->is_correct){ |
| 633 | $required_validate = false; |
| 634 | } |
| 635 | } |
| 636 | if ($required_validate){ |
| 637 | $validation_msg = "<p class='tutor-error-msg'>".__('Please select the correct answer', 'tutor')."</p>"; |
| 638 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 639 | } |
| 640 | }else{ |
| 641 | $validation_msg = "<p class='tutor-error-msg'>".__('Please make sure you have added more than one option and saved them', 'tutor')."</p>"; |
| 642 | wp_send_json_error(array('validation_msg' => $validation_msg )); |
| 643 | } |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | wp_send_json_success(); |
| 648 | } |
| 649 | |
| 650 | public function tutor_quiz_builder_question_delete(){ |
| 651 | global $wpdb; |
| 652 | |
| 653 | $question_id = sanitize_text_field(tutor_utils()->avalue_dot('question_id', $_POST)); |
| 654 | if ($question_id){ |
| 655 | $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('question_id' => $question_id)); |
| 656 | } |
| 657 | |
| 658 | wp_send_json_success(); |
| 659 | } |
| 660 | |
| 661 | /** |
| 662 | * Get answers options form for quiz question |
| 663 | * |
| 664 | * @since v.1.0.0 |
| 665 | */ |
| 666 | public function tutor_quiz_add_question_answers(){ |
| 667 | $question_id = sanitize_text_field($_POST['question_id']); |
| 668 | $question = tutor_utils()->avalue_dot($question_id, $_POST['tutor_quiz_question']); |
| 669 | $question_type = $question['question_type']; |
| 670 | |
| 671 | ob_start(); |
| 672 | include tutor()->path.'views/modal/question_answer_form.php'; |
| 673 | $output = ob_get_clean(); |
| 674 | |
| 675 | wp_send_json_success(array('output' => $output)); |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * Edit Answer Form |
| 680 | * |
| 681 | * @since v.1.0.0 |
| 682 | */ |
| 683 | public function tutor_quiz_edit_question_answer(){ |
| 684 | $answer_id = (int) sanitize_text_field($_POST['answer_id']); |
| 685 | $old_answer = tutor_utils()->get_answer_by_id($answer_id); |
| 686 | foreach ($old_answer as $old_answer); |
| 687 | $question_id = $old_answer->belongs_question_id; |
| 688 | $question_type = $old_answer->belongs_question_type; |
| 689 | |
| 690 | ob_start(); |
| 691 | include tutor()->path.'views/modal/question_answer_edit_form.php'; |
| 692 | $output = ob_get_clean(); |
| 693 | |
| 694 | wp_send_json_success(array('output' => $output)); |
| 695 | } |
| 696 | |
| 697 | public function tutor_save_quiz_answer_options(){ |
| 698 | global $wpdb; |
| 699 | |
| 700 | $questions = $_POST['tutor_quiz_question']; |
| 701 | $answers = $_POST['quiz_answer']; |
| 702 | |
| 703 | foreach ($answers as $question_id => $answer){ |
| 704 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 705 | $question_type = $question['question_type']; |
| 706 | |
| 707 | //Getting next sorting order |
| 708 | $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}' "); |
| 709 | $next_order_id = $next_order_id + 1; |
| 710 | |
| 711 | if ($question){ |
| 712 | if ($question_type === 'true_false'){ |
| 713 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 714 | $data_true_false = array( |
| 715 | array( |
| 716 | 'belongs_question_id' => $question_id, |
| 717 | 'belongs_question_type' => $question_type, |
| 718 | 'answer_title' => __('True', 'tutor'), |
| 719 | 'is_correct' => $answer['true_false'] == 'true' ? 1 : 0, |
| 720 | 'answer_two_gap_match' => 'true', |
| 721 | ), |
| 722 | array( |
| 723 | 'belongs_question_id' => $question_id, |
| 724 | 'belongs_question_type' => $question_type, |
| 725 | 'answer_title' => __('False', 'tutor'), |
| 726 | 'is_correct' => $answer['true_false'] == 'false' ? 1 : 0, |
| 727 | 'answer_two_gap_match' => 'false', |
| 728 | ), |
| 729 | ); |
| 730 | |
| 731 | foreach ($data_true_false as $true_false_data){ |
| 732 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $true_false_data); |
| 733 | } |
| 734 | |
| 735 | }elseif($question_type === 'multiple_choice' || $question_type === 'single_choice' || $question_type === 'ordering' || |
| 736 | $question_type === 'matching' || $question_type === 'image_matching' || $question_type === 'image_answering' ){ |
| 737 | |
| 738 | $answer_data = array( |
| 739 | 'belongs_question_id' => $question_id, |
| 740 | 'belongs_question_type' => $question_type, |
| 741 | 'answer_title' => $answer['answer_title'], |
| 742 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 743 | 'answer_view_format' => isset($answer['answer_view_format']) ? $answer['answer_view_format'] : 0, |
| 744 | 'answer_order' => $next_order_id, |
| 745 | ); |
| 746 | if (isset($answer['matched_answer_title'])){ |
| 747 | $answer_data['answer_two_gap_match'] = $answer['matched_answer_title']; |
| 748 | } |
| 749 | |
| 750 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 751 | |
| 752 | }elseif($question_type === 'fill_in_the_blank'){ |
| 753 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('belongs_question_id' => $question_id, 'belongs_question_type' => $question_type)); |
| 754 | $answer_data = array( |
| 755 | 'belongs_question_id' => $question_id, |
| 756 | 'belongs_question_type' => $question_type, |
| 757 | 'answer_title' => $answer['answer_title'], |
| 758 | 'answer_two_gap_match' => isset($answer['answer_two_gap_match']) ? strtolower(trim($answer['answer_two_gap_match'])) : null, |
| 759 | ); |
| 760 | $wpdb->insert($wpdb->prefix.'tutor_quiz_question_answers', $answer_data); |
| 761 | } |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | wp_send_json_success(); |
| 766 | } |
| 767 | |
| 768 | /** |
| 769 | * Tutor Update Answer |
| 770 | * |
| 771 | * @since v.1.0.0 |
| 772 | */ |
| 773 | public function tutor_update_quiz_answer_options(){ |
| 774 | global $wpdb; |
| 775 | |
| 776 | $answer_id = (int) sanitize_text_field($_POST['tutor_quiz_answer_id']); |
| 777 | $questions = $_POST['tutor_quiz_question']; |
| 778 | $answers = $_POST['quiz_answer']; |
| 779 | |
| 780 | foreach ($answers as $question_id => $answer){ |
| 781 | $question = tutor_utils()->avalue_dot($question_id, $questions); |
| 782 | $question_type = $question['question_type']; |
| 783 | |
| 784 | if ($question){ |
| 785 | 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' ){ |
| 786 | |
| 787 | $answer_data = array( |
| 788 | 'belongs_question_id' => $question_id, |
| 789 | 'belongs_question_type' => $question_type, |
| 790 | 'answer_title' => $answer['answer_title'], |
| 791 | 'image_id' => isset($answer['image_id']) ? $answer['image_id'] : 0, |
| 792 | 'answer_view_format' => isset($answer['answer_view_format']) ? $answer['answer_view_format'] : '', |
| 793 | ); |
| 794 | if (isset($answer['matched_answer_title'])){ |
| 795 | $answer_data['answer_two_gap_match'] = $answer['matched_answer_title']; |
| 796 | } |
| 797 | |
| 798 | if ($question_type === 'fill_in_the_blank'){ |
| 799 | $answer_data['answer_two_gap_match'] = isset($answer['answer_two_gap_match']) ? strtolower(trim($answer['answer_two_gap_match'])) : null; |
| 800 | } |
| 801 | |
| 802 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', $answer_data, array('answer_id' => $answer_id)); |
| 803 | } |
| 804 | } |
| 805 | } |
| 806 | |
| 807 | //die(print_r($_POST)); |
| 808 | wp_send_json_success(); |
| 809 | } |
| 810 | |
| 811 | public function tutor_quiz_builder_get_answers_by_question(){ |
| 812 | global $wpdb; |
| 813 | $question_id = sanitize_text_field($_POST['question_id']); |
| 814 | $question_type = sanitize_text_field($_POST['question_type']); |
| 815 | |
| 816 | $question = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_questions WHERE question_id = {$question_id} "); |
| 817 | $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 ;"); |
| 818 | |
| 819 | ob_start(); |
| 820 | |
| 821 | /* |
| 822 | * @TODO: Should We remove this text? |
| 823 | * Screenshot: http://prntscr.com/ngl2mb |
| 824 | * Screenshot: http://prntscr.com/ngl2ak |
| 825 | */ |
| 826 | |
| 827 | switch ($question_type){ |
| 828 | case 'true_false': |
| 829 | echo '<label>'.__('Answer options & mark correct', 'tutor').'</label>'; |
| 830 | break; |
| 831 | case 'ordering': |
| 832 | echo '<label>'.__('Make sure you’re saving the answers in the right order. Students will have to match this order exactly.', 'tutor').'</label>'; |
| 833 | break; |
| 834 | } |
| 835 | |
| 836 | if (is_array($answers) && count($answers)){ |
| 837 | foreach ($answers as $answer){ |
| 838 | ?> |
| 839 | <div class="tutor-quiz-answer-wrap" data-answer-id="<?php echo $answer->answer_id; ?>"> |
| 840 | <div class="tutor-quiz-answer"> |
| 841 | <span class="tutor-quiz-answer-title"> |
| 842 | <?php |
| 843 | echo stripslashes($answer->answer_title); |
| 844 | if ($answer->belongs_question_type === 'fill_in_the_blank'){ |
| 845 | echo ' ('.__('Answer', 'tutor').' : '; |
| 846 | echo "<strong>{$answer->answer_two_gap_match} </strong>)"; |
| 847 | } |
| 848 | if ($answer->belongs_question_type === 'matching'){ |
| 849 | echo " - {$answer->answer_two_gap_match}"; |
| 850 | } |
| 851 | ?> |
| 852 | </span> |
| 853 | |
| 854 | <?php |
| 855 | if ($answer->image_id){ |
| 856 | echo '<span class="tutor-question-answer-image"><img src="'.wp_get_attachment_image_url($answer->image_id).'" /> </span>'; |
| 857 | } |
| 858 | if ($question_type === 'true_false' || $question_type === 'single_choice'){ |
| 859 | ?> |
| 860 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 861 | <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, $answer->is_correct); ?> > |
| 862 | </span> |
| 863 | <?php |
| 864 | }elseif ($question_type === 'multiple_choice'){ |
| 865 | ?> |
| 866 | <span class="tutor-quiz-answers-mark-correct-wrap"> |
| 867 | <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); ?> > |
| 868 | </span> |
| 869 | <?php |
| 870 | } |
| 871 | ?> |
| 872 | <span class="tutor-quiz-answer-edit"> |
| 873 | <a href="javascript:;"><i class="tutor-icon-pencil"></i> </a> |
| 874 | </span> |
| 875 | <span class="tutor-quiz-answer-sort-icon"><i class="tutor-icon-menu-2"></i> </span> |
| 876 | </div> |
| 877 | |
| 878 | <div class="tutor-quiz-answer-trash-wrap"> |
| 879 | <a href="javascript:;" class="answer-trash-btn" data-answer-id="<?php echo $answer->answer_id; ?>"><i class="tutor-icon-garbage"></i> </a> |
| 880 | </div> |
| 881 | </div> |
| 882 | <?php |
| 883 | } |
| 884 | } |
| 885 | $output = ob_get_clean(); |
| 886 | |
| 887 | wp_send_json_success(array('output' => $output)); |
| 888 | } |
| 889 | |
| 890 | public function tutor_quiz_builder_delete_answer(){ |
| 891 | global $wpdb; |
| 892 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 893 | |
| 894 | $wpdb->delete($wpdb->prefix.'tutor_quiz_question_answers', array('answer_id' => $answer_id)); |
| 895 | wp_send_json_success(); |
| 896 | } |
| 897 | |
| 898 | /** |
| 899 | * Save quiz questions sorting |
| 900 | */ |
| 901 | public function tutor_quiz_question_sorting(){ |
| 902 | global $wpdb; |
| 903 | |
| 904 | $question_ids = tutor_utils()->avalue_dot('sorted_question_ids', $_POST); |
| 905 | if (is_array($question_ids) && count($question_ids) ){ |
| 906 | $i = 0; |
| 907 | foreach ($question_ids as $key => $question_id){ |
| 908 | $i++; |
| 909 | $wpdb->update($wpdb->prefix.'tutor_quiz_questions', array('question_order' => $i), array('question_id' => $question_id)); |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Save sorting data for quiz answers |
| 916 | */ |
| 917 | public function tutor_quiz_answer_sorting(){ |
| 918 | global $wpdb; |
| 919 | |
| 920 | if ( ! empty($_POST['sorted_answer_ids']) && is_array($_POST['sorted_answer_ids']) && count($_POST['sorted_answer_ids']) ){ |
| 921 | $answer_ids = $_POST['sorted_answer_ids']; |
| 922 | $i = 0; |
| 923 | foreach ($answer_ids as $key => $answer_id){ |
| 924 | $i++; |
| 925 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('answer_order' => $i), array('answer_id' => $answer_id)); |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Mark answer as correct |
| 933 | */ |
| 934 | |
| 935 | public function tutor_mark_answer_as_correct(){ |
| 936 | global $wpdb; |
| 937 | |
| 938 | $answer_id = sanitize_text_field($_POST['answer_id']); |
| 939 | $inputValue = sanitize_text_field($_POST['inputValue']); |
| 940 | |
| 941 | $answer = $wpdb->get_row("SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE answer_id = {$answer_id} LIMIT 0,1 ;"); |
| 942 | if ($answer->belongs_question_type === 'single_choice'){ |
| 943 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => 0), array('belongs_question_id' => $answer->belongs_question_id)); |
| 944 | } |
| 945 | $wpdb->update($wpdb->prefix.'tutor_quiz_question_answers', array('is_correct' => $inputValue), array('answer_id' => $answer_id)); |
| 946 | } |
| 947 | |
| 948 | /** |
| 949 | * Update quiz settings from modal |
| 950 | * |
| 951 | * @since : v.1.0.0 |
| 952 | */ |
| 953 | public function tutor_quiz_modal_update_settings(){ |
| 954 | $quiz_id = sanitize_text_field($_POST['quiz_id']); |
| 955 | |
| 956 | $quiz_option = tutor_utils()->sanitize_array($_POST['quiz_option']); |
| 957 | update_post_meta($quiz_id, 'tutor_quiz_option', $quiz_option); |
| 958 | |
| 959 | do_action('tutor_quiz_settings_updated', $quiz_id); |
| 960 | |
| 961 | wp_send_json_success(); |
| 962 | } |
| 963 | |
| 964 | |
| 965 | //=========================// |
| 966 | // Front end stuffs |
| 967 | //=========================// |
| 968 | |
| 969 | /** |
| 970 | * Rendering quiz for frontend |
| 971 | * |
| 972 | * @since v.1.0.0 |
| 973 | */ |
| 974 | |
| 975 | public function tutor_render_quiz_content(){ |
| 976 | $quiz_id = (int) sanitize_text_field(tutor_utils()->avalue_dot('quiz_id', $_POST)); |
| 977 | |
| 978 | ob_start(); |
| 979 | global $post; |
| 980 | |
| 981 | $post = get_post($quiz_id); |
| 982 | setup_postdata($post); |
| 983 | //tutor_lesson_content(); |
| 984 | |
| 985 | single_quiz_contents(); |
| 986 | |
| 987 | wp_reset_postdata(); |
| 988 | |
| 989 | |
| 990 | $html = ob_get_clean(); |
| 991 | wp_send_json_success(array('html' => $html)); |
| 992 | } |
| 993 | |
| 994 | |
| 995 | } |