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Quiz.php
2307 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Quiz class |
| 4 | * |
| 5 | * @package Tutor\QuestionAnswer |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 1.0.0 |
| 9 | */ |
| 10 | |
| 11 | namespace TUTOR; |
| 12 | |
| 13 | defined( 'ABSPATH' ) || exit; |
| 14 | |
| 15 | use Tutor\Components\Constants\Size; |
| 16 | use Tutor\Components\Constants\Variant; |
| 17 | use Tutor\Components\Button; |
| 18 | use Tutor\Components\ConfirmationModal; |
| 19 | use Tutor\Components\Modal; |
| 20 | use Tutor\Components\SvgIcon; |
| 21 | use Tutor\Components\Table; |
| 22 | use Tutor\Helpers\HttpHelper; |
| 23 | use Tutor\Helpers\QueryHelper; |
| 24 | use Tutor\Models\CourseModel; |
| 25 | use Tutor\Models\QuizModel; |
| 26 | use Tutor\Traits\JsonResponse; |
| 27 | use WP_Post; |
| 28 | |
| 29 | /** |
| 30 | * Manage quiz operations. |
| 31 | * |
| 32 | * @since 1.0.0 |
| 33 | */ |
| 34 | class Quiz { |
| 35 | use JsonResponse; |
| 36 | |
| 37 | /** |
| 38 | * Quiz post type |
| 39 | * |
| 40 | * @since 4.0.0 |
| 41 | * |
| 42 | * @var string |
| 43 | */ |
| 44 | private $post_type; |
| 45 | |
| 46 | const META_QUIZ_OPTION = 'tutor_quiz_option'; |
| 47 | |
| 48 | /** |
| 49 | * Quiz feedback mode: show result after the attempt. |
| 50 | * |
| 51 | * @since 4.0.0 |
| 52 | */ |
| 53 | const QUIZ_FEEDBACK_MODE_REVEAL = 'reveal'; |
| 54 | |
| 55 | /** |
| 56 | * Quiz feedback mode: reattempt quiz any number of times. |
| 57 | * |
| 58 | * @since 4.0.0 |
| 59 | */ |
| 60 | const QUIZ_FEEDBACK_MODE_RETRY = 'retry'; |
| 61 | |
| 62 | /** |
| 63 | * Quiz feedback mode: answers shown after quiz is finished. |
| 64 | * |
| 65 | * @since 4.0.0 |
| 66 | */ |
| 67 | const QUIZ_FEEDBACK_MODE_DEFAULT = 'default'; |
| 68 | |
| 69 | /** |
| 70 | * URL Query param |
| 71 | * |
| 72 | * @since 4.0.0 |
| 73 | */ |
| 74 | const ACTION_VIEW_DETAILS = 'view_details'; |
| 75 | |
| 76 | /** |
| 77 | * Allowed attrs |
| 78 | * |
| 79 | * @var array |
| 80 | */ |
| 81 | private $allowed_attributes = array( |
| 82 | 'src' => array(), |
| 83 | 'style' => array(), |
| 84 | 'class' => array(), |
| 85 | 'id' => array(), |
| 86 | 'href' => array(), |
| 87 | 'alt' => array(), |
| 88 | 'title' => array(), |
| 89 | 'type' => array(), |
| 90 | 'controls' => array(), |
| 91 | 'muted' => array(), |
| 92 | 'loop' => array(), |
| 93 | 'poster' => array(), |
| 94 | 'preload' => array(), |
| 95 | 'autoplay' => array(), |
| 96 | 'width' => array(), |
| 97 | 'height' => array(), |
| 98 | ); |
| 99 | |
| 100 | /** |
| 101 | * Allowed HTML tags |
| 102 | * |
| 103 | * @var array |
| 104 | */ |
| 105 | private $allowed_html = array( 'img', 'b', 'i', 'br', 'a', 'audio', 'video', 'source' ); |
| 106 | |
| 107 | /** |
| 108 | * Register hooks |
| 109 | * |
| 110 | * @since 1.0.0 |
| 111 | * @since 4.0.0 $register_hooks param added |
| 112 | * |
| 113 | * @param bool $register_hooks To register hooks. |
| 114 | * |
| 115 | * @return void |
| 116 | */ |
| 117 | public function __construct( $register_hooks = true ) { |
| 118 | $this->post_type = tutor()->quiz_post_type; |
| 119 | $this->prepare_allowed_html(); |
| 120 | |
| 121 | if ( ! $register_hooks ) { |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | add_action( 'wp_ajax_tutor_quiz_timeout', array( $this, 'tutor_quiz_timeout' ) ); |
| 126 | |
| 127 | // User take the quiz. |
| 128 | add_action( 'template_redirect', array( $this, 'start_the_quiz' ) ); |
| 129 | add_action( 'template_redirect', array( $this, 'answering_quiz' ) ); |
| 130 | add_action( 'template_redirect', array( $this, 'finishing_quiz_attempt' ) ); |
| 131 | |
| 132 | /** |
| 133 | * Instructor quiz review and feedback Ajax API. |
| 134 | */ |
| 135 | add_action( 'wp_ajax_review_quiz_answer', array( $this, 'review_quiz_answer' ) ); |
| 136 | add_action( 'wp_ajax_tutor_review_quiz_answers', array( $this, 'review_quiz_answers' ) ); |
| 137 | add_action( 'wp_ajax_tutor_instructor_feedback', array( $this, 'tutor_instructor_feedback' ) ); |
| 138 | |
| 139 | /** |
| 140 | * New quiz builder Ajax API. |
| 141 | */ |
| 142 | add_action( 'wp_ajax_tutor_quiz_details', array( $this, 'ajax_quiz_details' ) ); |
| 143 | add_action( 'wp_ajax_tutor_quiz_delete', array( $this, 'ajax_quiz_delete' ) ); |
| 144 | |
| 145 | /** |
| 146 | * Frontend Stuff |
| 147 | */ |
| 148 | add_action( 'wp_ajax_tutor_render_quiz_content', array( $this, 'tutor_render_quiz_content' ) ); |
| 149 | |
| 150 | /** |
| 151 | * Quiz abandon action |
| 152 | * |
| 153 | * @since 1.9.6 |
| 154 | */ |
| 155 | add_action( 'wp_ajax_tutor_quiz_abandon', array( $this, 'tutor_quiz_abandon' ) ); |
| 156 | |
| 157 | /** |
| 158 | * Delete quiz attempt |
| 159 | * |
| 160 | * @since 2.1.0 |
| 161 | */ |
| 162 | add_action( 'wp_ajax_tutor_attempt_delete', array( $this, 'attempt_delete' ) ); |
| 163 | |
| 164 | add_action( 'tutor_quiz/answer/review/after', array( $this, 'do_auto_course_complete' ), 10, 3 ); |
| 165 | |
| 166 | // Add quiz title as nav item & render single content on the learning area. |
| 167 | add_action( "tutor_learning_area_nav_item_{$this->post_type}", array( $this, 'render_nav_item' ), 10, 2 ); |
| 168 | add_action( "tutor_single_content_{$this->post_type}", array( $this, 'render_single_content' ) ); |
| 169 | |
| 170 | /** |
| 171 | * Slugs listed in tutor_quiz_templates_not_in_core have no file under wp-content/plugins/tutor/templates/. |
| 172 | * Without this, tutor_load_template() still runs from generic quiz templates and tutor_get_template() |
| 173 | * prints "The file you are trying to load does not exist…". Returning false here exits before that lookup. |
| 174 | * Add-ons ship their own files and load them outside this path (e.g. direct include from the add-on). |
| 175 | * |
| 176 | * @since 4.0.0 |
| 177 | */ |
| 178 | add_filter( 'should_tutor_load_template', array( $this, 'skip_addon_only_question_partials' ), 5, 3 ); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Skip loading templates that are not packaged with core Tutor LMS. |
| 183 | * |
| 184 | * @since 4.0.0 |
| 185 | * |
| 186 | * @param bool $load Whether to load the template. |
| 187 | * @param string $template Template name in dot notation. |
| 188 | * @param array $variables Template variables. |
| 189 | * |
| 190 | * @return bool |
| 191 | */ |
| 192 | public function skip_addon_only_question_partials( $load, $template, $variables ) { |
| 193 | $addons_only = apply_filters( |
| 194 | 'tutor_quiz_templates_not_in_core', |
| 195 | array( |
| 196 | 'learning-area.quiz.questions.draw-image', |
| 197 | 'learning-area.quiz.questions.scale', |
| 198 | 'learning-area.quiz.questions.pin-image', |
| 199 | 'learning-area.quiz.questions.coordinates', |
| 200 | 'learning-area.quiz.questions.puzzle', |
| 201 | 'shared.components.quiz.attempt-details.questions.draw-image', |
| 202 | 'shared.components.quiz.attempt-details.questions.scale', |
| 203 | 'shared.components.quiz.attempt-details.questions.pin-image', |
| 204 | 'shared.components.quiz.attempt-details.questions.coordinates', |
| 205 | 'shared.components.quiz.attempt-details.questions.puzzle', |
| 206 | ), |
| 207 | $template, |
| 208 | $variables |
| 209 | ); |
| 210 | |
| 211 | if ( in_array( $template, $addons_only, true ) ) { |
| 212 | return false; |
| 213 | } |
| 214 | |
| 215 | return $load; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Get quiz time units options. |
| 220 | * |
| 221 | * @since 2.6.0 |
| 222 | * |
| 223 | * @return array |
| 224 | */ |
| 225 | public static function quiz_time_units() { |
| 226 | $time_units = array( |
| 227 | 'seconds' => __( 'Seconds', 'tutor' ), |
| 228 | 'minutes' => __( 'Minutes', 'tutor' ), |
| 229 | 'hours' => __( 'Hours', 'tutor' ), |
| 230 | 'days' => __( 'Days', 'tutor' ), |
| 231 | 'weeks' => __( 'Weeks', 'tutor' ), |
| 232 | ); |
| 233 | |
| 234 | return apply_filters( 'tutor_quiz_time_units', $time_units ); |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Get quiz default settings. |
| 239 | * |
| 240 | * @since 3.0.0 |
| 241 | * |
| 242 | * @return array |
| 243 | */ |
| 244 | public static function get_default_quiz_settings() { |
| 245 | $settings = array( |
| 246 | 'time_limit' => array( |
| 247 | 'time_type' => 'minutes', |
| 248 | 'time_value' => 0, |
| 249 | ), |
| 250 | 'attempts_allowed' => 10, |
| 251 | 'answers_reveal_duration' => 5, |
| 252 | 'auto_start_delay' => 5, |
| 253 | 'enable_answer_reveal' => '0', |
| 254 | 'enable_pagination' => '0', |
| 255 | 'hide_question_number_overview' => 0, |
| 256 | 'hide_previous_button' => '0', |
| 257 | 'hide_quiz_time_display' => 0, |
| 258 | 'limit_attempts_allowed' => '0', |
| 259 | 'max_questions_for_answer' => 10, |
| 260 | 'open_ended_answer_characters_limit' => 500, |
| 261 | 'pass_is_required' => 0, |
| 262 | 'pagination_type' => 'shape', |
| 263 | 'passing_grade' => 80, |
| 264 | 'question_layout_view' => '', |
| 265 | 'questions_order' => 'rand', |
| 266 | 'quiz_auto_start' => 0, |
| 267 | 'short_answer_characters_limit' => 200, |
| 268 | ); |
| 269 | |
| 270 | return apply_filters( 'tutor_quiz_default_settings', $settings ); |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * Normalize quiz settings. |
| 275 | * |
| 276 | * V4 stores reveal and pagination as explicit flags, but older quizzes may |
| 277 | * still contain legacy keys. |
| 278 | * |
| 279 | * @since 4.0.0 |
| 280 | * |
| 281 | * @param array $settings Quiz settings. |
| 282 | * |
| 283 | * @return array |
| 284 | */ |
| 285 | public static function normalize_quiz_settings( array $settings ): array { |
| 286 | $defaults = self::get_default_quiz_settings(); |
| 287 | $has_enable_pagination = array_key_exists( 'enable_pagination', $settings ); |
| 288 | $has_enable_answer_reveal = array_key_exists( 'enable_answer_reveal', $settings ); |
| 289 | $has_limit_attempts_allowed = array_key_exists( 'limit_attempts_allowed', $settings ); |
| 290 | |
| 291 | $settings = wp_parse_args( $settings, $defaults ); |
| 292 | |
| 293 | $settings['time_limit'] = wp_parse_args( |
| 294 | is_array( $settings['time_limit'] ?? null ) ? $settings['time_limit'] : array(), |
| 295 | $defaults['time_limit'] |
| 296 | ); |
| 297 | |
| 298 | $question_layout_view = (string) ( $settings['question_layout_view'] ?? '' ); |
| 299 | $question_layout_view = '' !== $question_layout_view ? $question_layout_view : 'single_question'; |
| 300 | |
| 301 | $supported_pagination_types = array( 'shape', 'radio', 'number' ); |
| 302 | $pagination_type = $settings['pagination_type'] ?? $settings['question_pagination_style'] ?? 'shape'; |
| 303 | $pagination_type = in_array( $pagination_type, $supported_pagination_types, true ) ? $pagination_type : 'shape'; |
| 304 | |
| 305 | $enable_pagination = $has_enable_pagination |
| 306 | ? '1' === (string) $settings['enable_pagination'] |
| 307 | : 'question_pagination' === $question_layout_view; |
| 308 | |
| 309 | $enable_answer_reveal = $has_enable_answer_reveal |
| 310 | ? '1' === (string) $settings['enable_answer_reveal'] |
| 311 | : self::QUIZ_FEEDBACK_MODE_REVEAL === (string) ( $settings['feedback_mode'] ?? '' ); |
| 312 | $limit_attempts_allowed = $has_limit_attempts_allowed |
| 313 | ? '1' === (string) $settings['limit_attempts_allowed'] |
| 314 | : self::QUIZ_FEEDBACK_MODE_RETRY === (string) ( $settings['feedback_mode'] ?? '' ); |
| 315 | |
| 316 | if ( 'question_pagination' === $question_layout_view ) { |
| 317 | $question_layout_view = 'single_question'; |
| 318 | $enable_pagination = true; |
| 319 | } |
| 320 | |
| 321 | if ( 'question_below_each_other' === $question_layout_view ) { |
| 322 | $settings['hide_question_number_overview'] = '0'; |
| 323 | $enable_answer_reveal = false; |
| 324 | } |
| 325 | |
| 326 | if ( $enable_pagination ) { |
| 327 | $settings['hide_previous_button'] = '0'; |
| 328 | } |
| 329 | |
| 330 | $settings['question_layout_view'] = $question_layout_view; |
| 331 | $settings['enable_pagination'] = $enable_pagination ? '1' : '0'; |
| 332 | $settings['pagination_type'] = $pagination_type; |
| 333 | $settings['enable_answer_reveal'] = $enable_answer_reveal ? '1' : '0'; |
| 334 | $settings['limit_attempts_allowed'] = $limit_attempts_allowed ? '1' : '0'; |
| 335 | |
| 336 | unset( $settings['feedback_mode'], $settings['question_pagination_style'] ); |
| 337 | |
| 338 | return apply_filters( 'tutor_quiz_normalized_settings', $settings ); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Determine if quiz retry is allowed for the current attempt count. |
| 343 | * |
| 344 | * @since 4.0.0 |
| 345 | * |
| 346 | * @param mixed $limit_attempts_allowed If attempts are limited. |
| 347 | * @param int $attempts_allowed Allowed attempts. |
| 348 | * @param int $attempted_count Attempted count. |
| 349 | * |
| 350 | * @return bool |
| 351 | */ |
| 352 | public static function can_retry_quiz( $limit_attempts_allowed, int $attempts_allowed, int $attempted_count ): bool { |
| 353 | $limit_attempts_allowed = '1' === (string) $limit_attempts_allowed; |
| 354 | |
| 355 | if ( ! $limit_attempts_allowed ) { |
| 356 | return false; |
| 357 | } |
| 358 | |
| 359 | return 0 === $attempts_allowed || $attempted_count < $attempts_allowed; |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Get effective attempt count for quiz display/runtime. |
| 364 | * |
| 365 | * @since 4.0.0 |
| 366 | * |
| 367 | * @param bool $limit_attempts_allowed If attempts are limited. |
| 368 | * @param int $attempts_allowed Allowed attempts. |
| 369 | * |
| 370 | * @return int |
| 371 | */ |
| 372 | public static function get_effective_attempts_allowed( bool $limit_attempts_allowed, int $attempts_allowed ): int { |
| 373 | return $limit_attempts_allowed ? $attempts_allowed : 1; |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Get question default settings. |
| 378 | * |
| 379 | * @since 3.0.0 |
| 380 | * |
| 381 | * @param string $type type of question. |
| 382 | * |
| 383 | * @return array |
| 384 | */ |
| 385 | public static function get_default_question_settings( $type ) { |
| 386 | $settings = array( |
| 387 | 'question_type' => $type, |
| 388 | 'question_mark' => 1, |
| 389 | 'answer_required' => 0, |
| 390 | 'randomize_question' => 0, |
| 391 | 'show_question_mark' => 0, |
| 392 | ); |
| 393 | |
| 394 | return apply_filters( 'tutor_question_default_settings', $settings ); |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * Get quiz modes |
| 399 | * |
| 400 | * @since 2.6.0 |
| 401 | * |
| 402 | * @return array |
| 403 | */ |
| 404 | public static function quiz_modes() { |
| 405 | $modes = array( |
| 406 | array( |
| 407 | 'key' => 'default', |
| 408 | 'value' => __( 'Default', 'tutor' ), |
| 409 | 'description' => __( 'Answers shown after quiz is finished', 'tutor' ), |
| 410 | ), |
| 411 | array( |
| 412 | 'key' => 'reveal', |
| 413 | 'value' => __( 'Reveal Mode', 'tutor' ), |
| 414 | 'description' => __( 'Show result after the attempt.', 'tutor' ), |
| 415 | ), |
| 416 | array( |
| 417 | 'key' => 'retry', |
| 418 | 'value' => __( 'Retry Mode', 'tutor' ), |
| 419 | 'description' => __( 'Reattempt quiz any number of times. Define Attempts Allowed below.', 'tutor' ), |
| 420 | ), |
| 421 | ); |
| 422 | |
| 423 | return apply_filters( 'tutor_quiz_modes', $modes ); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Get quiz modes |
| 428 | * |
| 429 | * @since 2.6.0 |
| 430 | * |
| 431 | * @return array |
| 432 | */ |
| 433 | public static function quiz_question_layouts() { |
| 434 | $layouts = array( |
| 435 | '' => __( 'Set question layout view', 'tutor' ), |
| 436 | 'single_question' => __( 'Single Question', 'tutor' ), |
| 437 | 'question_pagination' => __( 'Question Pagination', 'tutor' ), |
| 438 | 'question_below_each_other' => __( 'Question below each other', 'tutor' ), |
| 439 | ); |
| 440 | |
| 441 | return apply_filters( 'tutor_quiz_layouts', $layouts ); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * Get quiz modes |
| 446 | * |
| 447 | * @since 2.6.0 |
| 448 | * |
| 449 | * @return array |
| 450 | */ |
| 451 | public static function quiz_question_orders() { |
| 452 | $orders = array( |
| 453 | 'rand' => __( 'Random', 'tutor' ), |
| 454 | 'sorting' => __( 'Sorting', 'tutor' ), |
| 455 | 'asc' => __( 'Ascending', 'tutor' ), |
| 456 | 'desc' => __( 'Descending', 'tutor' ), |
| 457 | ); |
| 458 | |
| 459 | return apply_filters( 'tutor_quiz_layouts', $orders ); |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * Prepare allowed HTML |
| 464 | * |
| 465 | * @since 1.0.0 |
| 466 | * |
| 467 | * @return void |
| 468 | */ |
| 469 | private function prepare_allowed_html() { |
| 470 | |
| 471 | $allowed = array(); |
| 472 | |
| 473 | foreach ( $this->allowed_html as $tag ) { |
| 474 | $allowed[ $tag ] = $this->allowed_attributes; |
| 475 | } |
| 476 | |
| 477 | $this->allowed_html = $allowed; |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Instructor feedback ajax request handler |
| 482 | * |
| 483 | * @since 1.0.0 |
| 484 | * |
| 485 | * @return void |
| 486 | */ |
| 487 | public function tutor_instructor_feedback() { |
| 488 | tutor_utils()->checking_nonce(); |
| 489 | |
| 490 | // Check if user is privileged. |
| 491 | if ( ! User::has_any_role( array( User::ADMIN, User::INSTRUCTOR ) ) ) { |
| 492 | wp_send_json_error( tutor_utils()->error_message() ); |
| 493 | } |
| 494 | |
| 495 | $attempt_details = self::attempt_details( Input::post( 'attempt_id', 0, Input::TYPE_INT ) ); |
| 496 | $feedback = Input::post( 'feedback', '', Input::TYPE_KSES_POST ); |
| 497 | $attempt_info = isset( $attempt_details->attempt_info ) ? $attempt_details->attempt_info : false; |
| 498 | $course_id = tutor_utils()->avalue_dot( 'course_id', $attempt_details, 0 ); |
| 499 | $is_instructor = tutor_utils()->is_instructor_of_this_course( get_current_user_id(), $course_id ); |
| 500 | if ( ! current_user_can( 'manage_options' ) && ! $is_instructor ) { |
| 501 | wp_send_json_error( tutor_utils()->error_message() ); |
| 502 | } |
| 503 | |
| 504 | if ( $attempt_info ) { |
| 505 | //phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_unserialize |
| 506 | $unserialized = unserialize( $attempt_details->attempt_info ); |
| 507 | if ( is_array( $unserialized ) ) { |
| 508 | $unserialized['instructor_feedback'] = $feedback; |
| 509 | |
| 510 | //phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize |
| 511 | $update = self::update_attempt_info( $attempt_details->attempt_id, serialize( $unserialized ) ); |
| 512 | if ( $update ) { |
| 513 | do_action( 'tutor_quiz/attempt/submitted/feedback', $attempt_details->attempt_id ); |
| 514 | wp_send_json_success(); |
| 515 | } else { |
| 516 | wp_send_json_error(); |
| 517 | } |
| 518 | } else { |
| 519 | wp_send_json_error( __( 'Invalid quiz info', 'tutor' ) ); |
| 520 | } |
| 521 | } |
| 522 | wp_send_json_error(); |
| 523 | } |
| 524 | |
| 525 | /** |
| 526 | * Start Quiz from here... |
| 527 | * |
| 528 | * @since 1.0.0 |
| 529 | * |
| 530 | * @return void |
| 531 | */ |
| 532 | public function start_the_quiz() { |
| 533 | if ( 'tutor_start_quiz' !== Input::post( 'tutor_action' ) ) { |
| 534 | return; |
| 535 | } |
| 536 | |
| 537 | tutor_utils()->checking_nonce(); |
| 538 | |
| 539 | if ( ! is_user_logged_in() ) { |
| 540 | wp_die( esc_html__( 'Please sign in to do this operation', 'tutor' ) ); |
| 541 | } |
| 542 | |
| 543 | $user_id = get_current_user_id(); |
| 544 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 545 | $course = CourseModel::get_course_by_quiz( $quiz_id ); |
| 546 | |
| 547 | if ( ! $course ) { |
| 548 | wp_die( esc_html__( 'Invalid course', 'tutor' ) ); |
| 549 | } |
| 550 | |
| 551 | // Check & die if don't have quiz access. |
| 552 | QuizModel::has_quiz_access( $quiz_id, $course->id ); |
| 553 | |
| 554 | self::quiz_attempt( $course->ID, $quiz_id, $user_id ); |
| 555 | wp_safe_redirect( get_permalink( $quiz_id ) ); |
| 556 | die(); |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * Manage quiz attempt |
| 561 | * |
| 562 | * @since 2.6.1 |
| 563 | * |
| 564 | * @param integer $course_id course id. |
| 565 | * @param integer $quiz_id quiz id. |
| 566 | * @param integer $user_id user id. |
| 567 | * @param string $attempt_status attempt status. |
| 568 | * |
| 569 | * @return int inserted id|0 |
| 570 | */ |
| 571 | public static function quiz_attempt( int $course_id, int $quiz_id, int $user_id, $attempt_status = QuizModel::ATTEMPT_STARTED ) { |
| 572 | global $wpdb; |
| 573 | |
| 574 | if ( ! $course_id ) { |
| 575 | wp_die( 'There is something went wrong with course, please check if quiz attached with a course' ); |
| 576 | } |
| 577 | |
| 578 | // Check & die if don't have quiz access. |
| 579 | QuizModel::has_quiz_access( $quiz_id, $course_id ); |
| 580 | |
| 581 | do_action( 'tutor_quiz/start/before', $quiz_id, $user_id ); |
| 582 | |
| 583 | $date = date( 'Y-m-d H:i:s', tutor_time() ); //phpcs:ignore |
| 584 | |
| 585 | $tutor_quiz_option = (array) tutor_utils()->get_quiz_option( $quiz_id ); |
| 586 | |
| 587 | $time_limit = tutor_utils()->get_quiz_option( $quiz_id, 'time_limit.time_value' ); |
| 588 | $time_limit_seconds = 0; |
| 589 | $time_type = 'seconds'; |
| 590 | if ( $time_limit ) { |
| 591 | $time_type = tutor_utils()->get_quiz_option( $quiz_id, 'time_limit.time_type' ); |
| 592 | |
| 593 | switch ( $time_type ) { |
| 594 | case 'seconds': |
| 595 | $time_limit_seconds = $time_limit; |
| 596 | break; |
| 597 | case 'minutes': |
| 598 | $time_limit_seconds = $time_limit * 60; |
| 599 | break; |
| 600 | case 'hours': |
| 601 | $time_limit_seconds = $time_limit * 60 * 60; |
| 602 | break; |
| 603 | case 'days': |
| 604 | $time_limit_seconds = $time_limit * 60 * 60 * 24; |
| 605 | break; |
| 606 | case 'weeks': |
| 607 | $time_limit_seconds = $time_limit * 60 * 60 * 24 * 7; |
| 608 | break; |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | $max_question_allowed = tutor_utils()->max_questions_for_take_quiz( $quiz_id ); |
| 613 | $tutor_quiz_option['time_limit']['time_limit_seconds'] = $time_limit_seconds; |
| 614 | |
| 615 | $attempt_data = array( |
| 616 | 'course_id' => $course_id, |
| 617 | 'quiz_id' => $quiz_id, |
| 618 | 'user_id' => $user_id, |
| 619 | 'total_questions' => $max_question_allowed, |
| 620 | 'total_answered_questions' => 0, |
| 621 | 'attempt_info' => maybe_serialize( $tutor_quiz_option ), |
| 622 | 'attempt_status' => $attempt_status, |
| 623 | 'attempt_ip' => tutor_utils()->get_ip(), |
| 624 | 'attempt_started_at' => $date, |
| 625 | ); |
| 626 | |
| 627 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_data ); |
| 628 | $attempt_id = (int) $wpdb->insert_id; |
| 629 | |
| 630 | if ( $attempt_id ) { |
| 631 | do_action( 'tutor_quiz/start/after', $quiz_id, $user_id, $attempt_id ); |
| 632 | return $attempt_id; |
| 633 | } else { |
| 634 | return 0; |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | /** |
| 639 | * Answering quiz |
| 640 | * |
| 641 | * @since 1.0.0 |
| 642 | * |
| 643 | * @return void |
| 644 | */ |
| 645 | public function answering_quiz() { |
| 646 | if ( 'tutor_answering_quiz_question' !== Input::post( 'tutor_action' ) ) { |
| 647 | return; |
| 648 | } |
| 649 | |
| 650 | self::tutor_quiz_attempt_submit(); |
| 651 | |
| 652 | wp_safe_redirect( get_the_permalink() ); |
| 653 | die(); |
| 654 | } |
| 655 | |
| 656 | /** |
| 657 | * Quiz abandon submission handler |
| 658 | * |
| 659 | * @since 1.9.6 |
| 660 | * |
| 661 | * @return void JSON response |
| 662 | */ |
| 663 | public function tutor_quiz_abandon() { |
| 664 | if ( 'tutor_answering_quiz_question' !== Input::post( 'tutor_action' ) ) { |
| 665 | return; |
| 666 | } |
| 667 | |
| 668 | tutor_utils()->checking_nonce(); |
| 669 | // submit quiz attempts. |
| 670 | if ( self::tutor_quiz_attempt_submit() ) { |
| 671 | wp_send_json_success(); |
| 672 | } else { |
| 673 | wp_send_json_error(); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * Validate quiz attempt |
| 679 | * |
| 680 | * @since 3.9.13 |
| 681 | * |
| 682 | * @param int $attempt_id attempt id. |
| 683 | * @param int $user_id user id. |
| 684 | * |
| 685 | * @return object|false attempt object if valid otherwise false |
| 686 | */ |
| 687 | private static function validate_attempt( $attempt_id, $user_id ) { |
| 688 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 689 | |
| 690 | if ( ! $attempt || ! is_object( $attempt ) || (int) $attempt->user_id !== (int) $user_id ) { |
| 691 | return false; |
| 692 | } |
| 693 | |
| 694 | return $attempt; |
| 695 | } |
| 696 | |
| 697 | /** |
| 698 | * This is a unified method for handling normal quiz submit or abandon submit |
| 699 | * It will handle ajax or normal form submit and can be used with different hooks |
| 700 | * |
| 701 | * @since 1.9.6 |
| 702 | * |
| 703 | * @return bool true if quiz attempt submit successfully otherwise false |
| 704 | */ |
| 705 | public static function tutor_quiz_attempt_submit() { |
| 706 | if ( ! is_user_logged_in() ) { |
| 707 | die( 'Please sign in to do this operation' ); |
| 708 | } |
| 709 | |
| 710 | tutor_utils()->checking_nonce(); |
| 711 | |
| 712 | $user_id = get_current_user_id(); |
| 713 | $attempt_id = Input::post( 'attempt_id', 0, Input::TYPE_INT ); |
| 714 | $attempt = self::validate_attempt( $attempt_id, $user_id ); |
| 715 | |
| 716 | if ( ! $attempt ) { |
| 717 | die( 'Operation not allowed, attempt not found or permission denied' ); |
| 718 | } |
| 719 | |
| 720 | // Check & die if don't have quiz access. |
| 721 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 722 | QuizModel::has_quiz_access( $quiz_id ); |
| 723 | |
| 724 | if ( QuizModel::ATTEMPT_TIMEOUT === $attempt->attempt_status ) { |
| 725 | return false; |
| 726 | } |
| 727 | |
| 728 | // Sanitize data by helper method. |
| 729 | $attempt_answers = isset( $_POST['attempt'] ) ? tutor_sanitize_data( $_POST['attempt'] ) : false; //phpcs:ignore |
| 730 | $attempt_answers = is_array( $attempt_answers ) ? $attempt_answers : array(); |
| 731 | |
| 732 | self::manage_attempt_answers( $attempt_answers, $attempt, $attempt_id, $attempt->course_id, $user_id ); |
| 733 | return true; |
| 734 | } |
| 735 | |
| 736 | /** |
| 737 | * Manage attempt answers |
| 738 | * |
| 739 | * Evaluate each attempt answer and update the attempts table & insert in the attempt_answers table. |
| 740 | * |
| 741 | * @since 2.6.1 |
| 742 | * |
| 743 | * @param array $attempt_answers attempt answers. |
| 744 | * @param object $attempt single attempt. |
| 745 | * @param int $attempt_id attempt id. |
| 746 | * @param int $course_id course id. |
| 747 | * @param int $user_id user id. |
| 748 | * |
| 749 | * @return void |
| 750 | */ |
| 751 | public static function manage_attempt_answers( $attempt_answers, $attempt, $attempt_id, $course_id, $user_id ) { |
| 752 | if ( ! is_array( $attempt_answers ) || ! self::validate_attempt( $attempt_id, $user_id ) ) { |
| 753 | return; |
| 754 | } |
| 755 | |
| 756 | global $wpdb; |
| 757 | // Before hook. |
| 758 | do_action( 'tutor_quiz/attempt_analysing/before', $attempt_id ); |
| 759 | |
| 760 | // Single quiz can have multiple question. So multiple answer should be saved. |
| 761 | foreach ( $attempt_answers as $posted_attempt_id => $attempt_answer ) { |
| 762 | if ( ! self::validate_attempt( $posted_attempt_id, $user_id ) ) { |
| 763 | continue; |
| 764 | } |
| 765 | |
| 766 | // Get total marks of all question comes. |
| 767 | $question_ids = tutor_utils()->avalue_dot( 'quiz_question_ids', $attempt_answer ); |
| 768 | $question_ids = array_filter( $question_ids, fn ( $id ) => is_numeric( $id ) && intval( $id ) > 0 ); |
| 769 | |
| 770 | // Calculate and set the total marks in attempt table for this question. |
| 771 | if ( tutor_utils()->count( $question_ids ) ) { |
| 772 | $question_ids_string = QueryHelper::prepare_in_clause( $question_ids ); |
| 773 | |
| 774 | // Get total marks of the questions from question table. |
| 775 | //phpcs:disable |
| 776 | $query = $wpdb->prepare( |
| 777 | "SELECT SUM(question_mark) |
| 778 | FROM {$wpdb->prefix}tutor_quiz_questions |
| 779 | WHERE 1 = %d |
| 780 | AND question_id IN({$question_ids_string}); |
| 781 | ", |
| 782 | 1 |
| 783 | ); |
| 784 | $total_question_marks = $wpdb->get_var( $query ); |
| 785 | //phpcs:enable |
| 786 | |
| 787 | $total_question_marks = apply_filters( 'tutor_filter_update_before_question_mark', $total_question_marks, $question_ids, $user_id, $attempt_id ); |
| 788 | |
| 789 | // Set the the total mark in the attempt table for the question. |
| 790 | $wpdb->update( |
| 791 | $wpdb->prefix . 'tutor_quiz_attempts', |
| 792 | array( 'total_marks' => $total_question_marks ), |
| 793 | array( 'attempt_id' => $attempt_id ) |
| 794 | ); |
| 795 | } |
| 796 | |
| 797 | $total_marks = 0; |
| 798 | $review_required = false; |
| 799 | $quiz_answers = tutor_utils()->avalue_dot( 'quiz_question', $attempt_answer ); |
| 800 | |
| 801 | if ( tutor_utils()->count( $quiz_answers ) ) { |
| 802 | |
| 803 | foreach ( $quiz_answers as $question_id => $answers ) { |
| 804 | $question = QuizModel::get_quiz_question_by_id( $question_id ); |
| 805 | if ( ! is_object( $question ) ) { |
| 806 | continue; |
| 807 | } |
| 808 | $question_type = $question->question_type; |
| 809 | |
| 810 | $is_answer_was_correct = false; |
| 811 | $given_answer = ''; |
| 812 | |
| 813 | if ( QuizModel::QUESTION_TYPE_TRUE_FALSE === $question_type || QuizModel::QUESTION_TYPE_SINGLE_CHOICE === $question_type ) { |
| 814 | $given_answer = $answers; |
| 815 | $is_answer_was_correct = (bool) $wpdb->get_var( |
| 816 | $wpdb->prepare( |
| 817 | "SELECT is_correct |
| 818 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 819 | WHERE answer_id = %d |
| 820 | ", |
| 821 | $answers |
| 822 | ) |
| 823 | ); |
| 824 | |
| 825 | } elseif ( QuizModel::QUESTION_TYPE_MULTIPLE_CHOICE === $question_type ) { |
| 826 | |
| 827 | $given_answer = (array) ( $answers ); |
| 828 | $given_answer = array_filter( $given_answer, fn ( $id ) => is_numeric( $id ) && intval( $id ) > 0 ); |
| 829 | |
| 830 | $get_original_answers = (array) $wpdb->get_col( |
| 831 | $wpdb->prepare( |
| 832 | "SELECT |
| 833 | answer_id |
| 834 | FROM |
| 835 | {$wpdb->prefix}tutor_quiz_question_answers |
| 836 | WHERE belongs_question_id = %d |
| 837 | AND belongs_question_type = %s |
| 838 | AND is_correct = 1 ; |
| 839 | ", |
| 840 | $question->question_id, |
| 841 | $question_type |
| 842 | ) |
| 843 | ); |
| 844 | |
| 845 | if ( count( array_diff( $get_original_answers, $given_answer ) ) === 0 && count( $get_original_answers ) === count( $given_answer ) ) { |
| 846 | $is_answer_was_correct = true; |
| 847 | } |
| 848 | |
| 849 | $given_answer = maybe_serialize( $given_answer ); |
| 850 | |
| 851 | } elseif ( QuizModel::QUESTION_TYPE_FILL_IN_THE_BLANK === $question_type ) { |
| 852 | |
| 853 | $get_original_answer = $wpdb->get_row( |
| 854 | $wpdb->prepare( |
| 855 | "SELECT * |
| 856 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 857 | WHERE belongs_question_id = %d |
| 858 | AND belongs_question_type = %s ; |
| 859 | ", |
| 860 | $question->question_id, |
| 861 | $question_type |
| 862 | ) |
| 863 | ); |
| 864 | |
| 865 | /** |
| 866 | * Answers stored in DB |
| 867 | */ |
| 868 | $gap_answer = (array) explode( '|', $get_original_answer->answer_two_gap_match ); |
| 869 | $gap_answer = maybe_serialize( |
| 870 | array_map( |
| 871 | function ( $ans ) { |
| 872 | return wp_slash( trim( $ans ) ); |
| 873 | }, |
| 874 | $gap_answer |
| 875 | ) |
| 876 | ); |
| 877 | |
| 878 | /** |
| 879 | * Answers from user input |
| 880 | */ |
| 881 | $given_answer = is_array( $answers ) ? array_map( 'sanitize_text_field', $answers ) : array( sanitize_text_field( $answers ) ); |
| 882 | $given_answer = maybe_serialize( $given_answer ); |
| 883 | |
| 884 | /** |
| 885 | * Compare answer's by making both case-insensitive. |
| 886 | */ |
| 887 | if ( strtolower( $given_answer ) === strtolower( $gap_answer ) ) { |
| 888 | $is_answer_was_correct = true; |
| 889 | } |
| 890 | } elseif ( QuizModel::QUESTION_TYPE_OPEN_ENDED === $question_type || QuizModel::QUESTION_TYPE_SHORT_ANSWER === $question_type ) { |
| 891 | $review_required = true; |
| 892 | $given_answer = wp_kses_post( $answers ); |
| 893 | |
| 894 | } elseif ( QuizModel::QUESTION_TYPE_ORDERING === $question_type || QuizModel::QUESTION_TYPE_MATCHING === $question_type || QuizModel::QUESTION_TYPE_IMAGE_MATCHING === $question_type ) { |
| 895 | $answers = (array) tutor_utils()->avalue_dot( 'answers', $answers ); |
| 896 | |
| 897 | $given_answer = (array) array_map( 'sanitize_text_field', $answers ); |
| 898 | $given_answer = maybe_serialize( $given_answer ); |
| 899 | |
| 900 | $get_original_answers = (array) $wpdb->get_col( |
| 901 | $wpdb->prepare( |
| 902 | "SELECT answer_id |
| 903 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 904 | WHERE belongs_question_id = %d |
| 905 | AND belongs_question_type = %s |
| 906 | ORDER BY answer_order ASC ; |
| 907 | ", |
| 908 | $question->question_id, |
| 909 | $question_type |
| 910 | ) |
| 911 | ); |
| 912 | |
| 913 | $get_original_answers = array_map( 'sanitize_text_field', $get_original_answers ); |
| 914 | |
| 915 | if ( maybe_serialize( $get_original_answers ) == $given_answer ) { |
| 916 | $is_answer_was_correct = true; |
| 917 | } |
| 918 | } elseif ( QuizModel::QUESTION_TYPE_IMAGE_ANSWERING === $question_type ) { |
| 919 | $image_inputs = tutor_utils()->avalue_dot( 'answer_id', $answers ); |
| 920 | $image_inputs = (array) array_map( 'sanitize_text_field', $image_inputs ); |
| 921 | $given_answer = maybe_serialize( $image_inputs ); |
| 922 | |
| 923 | $stored_answers = $wpdb->get_results( |
| 924 | $wpdb->prepare( |
| 925 | "SELECT answer_id, answer_title |
| 926 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 927 | WHERE belongs_question_id = %d |
| 928 | AND belongs_question_type = %s |
| 929 | ORDER BY answer_order ASC", |
| 930 | $question_id, |
| 931 | QuizModel::QUESTION_TYPE_IMAGE_ANSWERING |
| 932 | ) |
| 933 | ); |
| 934 | |
| 935 | $is_answer_was_correct = true; |
| 936 | foreach ( $stored_answers as $stored_answer ) { |
| 937 | $user_answer = isset( $image_inputs[ $stored_answer->answer_id ] ) ? trim( wp_unslash( $image_inputs[ $stored_answer->answer_id ] ) ) : ''; |
| 938 | $correct_answer = trim( wp_unslash( $stored_answer->answer_title ) ); |
| 939 | |
| 940 | if ( 0 !== strcasecmp( $user_answer, $correct_answer ) ) { |
| 941 | $is_answer_was_correct = false; |
| 942 | break; |
| 943 | } |
| 944 | } |
| 945 | } else { |
| 946 | $custom_answer_data = array( |
| 947 | 'given_answer' => $given_answer, |
| 948 | 'is_answer_was_correct' => $is_answer_was_correct, |
| 949 | ); |
| 950 | $custom_answer_data = apply_filters( 'tutor_quiz_process_custom_question_answer', $custom_answer_data, $question_type, $answers, $question, $question_id, $attempt_id ); |
| 951 | $given_answer = $custom_answer_data['given_answer']; |
| 952 | $is_answer_was_correct = $custom_answer_data['is_answer_was_correct']; |
| 953 | } |
| 954 | |
| 955 | $question_mark = $is_answer_was_correct ? $question->question_mark : 0; |
| 956 | $total_marks += $question_mark; |
| 957 | |
| 958 | $answers_data = array( |
| 959 | 'user_id' => $user_id, |
| 960 | 'quiz_id' => $attempt->quiz_id, |
| 961 | 'question_id' => $question_id, |
| 962 | 'quiz_attempt_id' => $attempt_id, |
| 963 | 'given_answer' => $given_answer, |
| 964 | 'question_mark' => $question->question_mark, |
| 965 | 'achieved_mark' => $question_mark, |
| 966 | 'minus_mark' => 0, |
| 967 | 'is_correct' => $is_answer_was_correct ? 1 : 0, |
| 968 | ); |
| 969 | |
| 970 | /** |
| 971 | * Check if question_type open ended or short ans the set |
| 972 | * is_correct default value null before saving |
| 973 | */ |
| 974 | if ( in_array( $question_type, QuizModel::get_manual_review_types(), true ) ) { |
| 975 | $answers_data['is_correct'] = null; |
| 976 | $review_required = true; |
| 977 | } |
| 978 | |
| 979 | $answers_data = apply_filters( 'tutor_filter_quiz_answer_data', $answers_data, $question_id, $question_type, $user_id, $attempt_id ); |
| 980 | |
| 981 | // Filter total marks after grading. Runs after answers_data is built and graded, |
| 982 | // so add-ons (e.g. H5P, pin_image, draw_image) can add their achieved marks. |
| 983 | $total_marks = apply_filters( 'tutor_filter_quiz_total_marks', $total_marks, $question_id, $question_type, $user_id, $attempt_id, $answers_data ); |
| 984 | |
| 985 | $wpdb->insert( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answers_data ); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | $attempt_info = array( |
| 990 | 'total_answered_questions' => tutor_utils()->count( $quiz_answers ), |
| 991 | 'earned_marks' => $total_marks, |
| 992 | 'attempt_status' => QuizModel::ATTEMPT_ENDED, |
| 993 | 'attempt_ended_at' => date( 'Y-m-d H:i:s', tutor_time() ), //phpcs:ignore |
| 994 | ); |
| 995 | |
| 996 | if ( $review_required ) { |
| 997 | $attempt_info['attempt_status'] = QuizModel::REVIEW_REQUIRED; |
| 998 | } |
| 999 | |
| 1000 | $wpdb->update( $wpdb->tutor_quiz_attempts, $attempt_info, array( 'attempt_id' => $attempt_id ) ); |
| 1001 | |
| 1002 | QuizModel::update_attempt_result( $attempt_id ); |
| 1003 | } |
| 1004 | |
| 1005 | // After hook. |
| 1006 | do_action( 'tutor_quiz/attempt_ended', $attempt_id, $course_id, $user_id ); |
| 1007 | } |
| 1008 | |
| 1009 | |
| 1010 | /** |
| 1011 | * Quiz attempt will be finish here |
| 1012 | * |
| 1013 | * @since 1.0.0 |
| 1014 | * |
| 1015 | * @return void |
| 1016 | */ |
| 1017 | public function finishing_quiz_attempt() { |
| 1018 | |
| 1019 | if ( Input::post( 'tutor_action' ) !== 'tutor_finish_quiz_attempt' ) { |
| 1020 | return; |
| 1021 | } |
| 1022 | // Checking nonce. |
| 1023 | tutor_utils()->checking_nonce(); |
| 1024 | |
| 1025 | if ( ! is_user_logged_in() ) { |
| 1026 | die( 'Please sign in to do this operation' ); |
| 1027 | } |
| 1028 | |
| 1029 | global $wpdb; |
| 1030 | |
| 1031 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 1032 | $attempt = tutor_utils()->is_started_quiz( $quiz_id ); |
| 1033 | if ( ! is_object( $attempt ) ) { |
| 1034 | wp_die( esc_html__( 'No active quiz attempt found', 'tutor' ) ); |
| 1035 | } |
| 1036 | $attempt_id = $attempt->attempt_id; |
| 1037 | |
| 1038 | $attempt_info = array( |
| 1039 | 'total_answered_questions' => 0, |
| 1040 | 'earned_marks' => 0, |
| 1041 | 'attempt_status' => QuizModel::ATTEMPT_ENDED, |
| 1042 | 'attempt_ended_at' => date( 'Y-m-d H:i:s', tutor_time() ), //phpcs:ignore |
| 1043 | ); |
| 1044 | |
| 1045 | do_action( 'tutor_quiz_before_finish', $attempt_id, $quiz_id, $attempt->user_id ); |
| 1046 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $attempt_info, array( 'attempt_id' => $attempt_id ) ); |
| 1047 | do_action( 'tutor_quiz_finished', $attempt_id, $quiz_id, $attempt->user_id ); |
| 1048 | |
| 1049 | wp_redirect( tutor_utils()->input_old( '_wp_http_referer' ) ); |
| 1050 | } |
| 1051 | |
| 1052 | /** |
| 1053 | * Get quiz total marks. |
| 1054 | * |
| 1055 | * @since 3.0.0 |
| 1056 | * |
| 1057 | * @param int $quiz_id quiz id. |
| 1058 | * |
| 1059 | * @return int|float |
| 1060 | */ |
| 1061 | public static function get_quiz_total_marks( $quiz_id ) { |
| 1062 | global $wpdb; |
| 1063 | |
| 1064 | $total_marks = $wpdb->get_var( |
| 1065 | $wpdb->prepare( |
| 1066 | "SELECT SUM(question_mark) total_marks |
| 1067 | FROM {$wpdb->prefix}tutor_quiz_questions |
| 1068 | WHERE quiz_id=%d", |
| 1069 | $quiz_id |
| 1070 | ) |
| 1071 | ); |
| 1072 | |
| 1073 | return floatval( $total_marks ); |
| 1074 | } |
| 1075 | |
| 1076 | /** |
| 1077 | * Quiz timeout by ajax |
| 1078 | * |
| 1079 | * @since 1.0.0 |
| 1080 | * |
| 1081 | * @return void |
| 1082 | */ |
| 1083 | public function tutor_quiz_timeout() { |
| 1084 | tutils()->checking_nonce(); |
| 1085 | |
| 1086 | global $wpdb; |
| 1087 | |
| 1088 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 1089 | $attempt = tutor_utils()->is_started_quiz( $quiz_id ); |
| 1090 | |
| 1091 | if ( is_object( $attempt ) ) { |
| 1092 | $attempt_id = $attempt->attempt_id; |
| 1093 | |
| 1094 | $data = array( |
| 1095 | 'attempt_status' => QuizModel::ATTEMPT_TIMEOUT, |
| 1096 | 'total_marks' => self::get_quiz_total_marks( $quiz_id ), |
| 1097 | 'earned_marks' => 0, |
| 1098 | 'attempt_ended_at' => gmdate( 'Y-m-d H:i:s', tutor_time() ), |
| 1099 | ); |
| 1100 | |
| 1101 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempts', $data, array( 'attempt_id' => $attempt->attempt_id ) ); |
| 1102 | |
| 1103 | do_action( 'tutor_quiz_timeout', $attempt_id, $quiz_id, $attempt->user_id ); |
| 1104 | |
| 1105 | wp_send_json_success(); |
| 1106 | } |
| 1107 | |
| 1108 | wp_send_json_error( __( 'Quiz has been timeout already', 'tutor' ) ); |
| 1109 | } |
| 1110 | |
| 1111 | /** |
| 1112 | * Review quiz answer |
| 1113 | * |
| 1114 | * @since 1.0.0 |
| 1115 | * |
| 1116 | * @return void |
| 1117 | */ |
| 1118 | public function review_quiz_answer() { |
| 1119 | |
| 1120 | tutor_utils()->checking_nonce(); |
| 1121 | |
| 1122 | $attempt_id = Input::post( 'attempt_id', 0, Input::TYPE_INT ); |
| 1123 | $context = Input::post( 'context' ); |
| 1124 | $attempt_answer_id = Input::post( 'attempt_answer_id', 0, Input::TYPE_INT ); |
| 1125 | $question_id = Input::post( 'question_id', 0, Input::TYPE_INT ); |
| 1126 | $mark_as = Input::post( 'mark_as' ); |
| 1127 | |
| 1128 | if ( ! tutor_utils()->can_user_manage( 'attempt', $attempt_id ) ) { |
| 1129 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1130 | } |
| 1131 | |
| 1132 | if ( $attempt_answer_id && ! tutor_utils()->can_user_manage( 'attempt_answer', $attempt_answer_id ) ) { |
| 1133 | wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) ); |
| 1134 | } |
| 1135 | |
| 1136 | $attempt_answer = $this->resolve_attempt_answer_for_review( $attempt_id, $attempt_answer_id, $question_id ); |
| 1137 | $review_data = $attempt_answer ? $this->apply_quiz_answer_review( $attempt_id, $attempt_answer, $mark_as ) : null; |
| 1138 | |
| 1139 | if ( ! $review_data ) { |
| 1140 | wp_send_json_error( array( 'message' => __( 'Review update failed', 'tutor' ) ) ); |
| 1141 | } |
| 1142 | |
| 1143 | QuizModel::update_attempt_result( $attempt_id ); |
| 1144 | |
| 1145 | ob_start(); |
| 1146 | tutor_load_template_from_custom_path( |
| 1147 | tutor()->path . '/views/quiz/attempt-details.php', |
| 1148 | array( |
| 1149 | 'attempt_id' => $attempt_id, |
| 1150 | 'user_id' => $review_data['student_id'], |
| 1151 | 'context' => $context, |
| 1152 | 'back_url' => Input::post( 'back_url' ), |
| 1153 | ) |
| 1154 | ); |
| 1155 | wp_send_json_success( array( 'html' => ob_get_clean() ) ); |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * Review quiz answers in bulk for v4 dashboard flow. |
| 1160 | * |
| 1161 | * @since 4.0.0 |
| 1162 | * |
| 1163 | * @return void |
| 1164 | */ |
| 1165 | public function review_quiz_answers() { |
| 1166 | tutor_utils()->checking_nonce(); |
| 1167 | |
| 1168 | $attempt_id = Input::post( 'attempt_id', 0, Input::TYPE_INT ); |
| 1169 | $review_statuses = Input::post( 'review_statuses', array(), Input::TYPE_ARRAY ); |
| 1170 | |
| 1171 | $this->review_quiz_answers_bulk( $attempt_id, $review_statuses ); |
| 1172 | } |
| 1173 | |
| 1174 | /** |
| 1175 | * Review quiz answers in bulk for v4 dashboard flow. |
| 1176 | * |
| 1177 | * @since 4.0.0 |
| 1178 | * |
| 1179 | * @param int $attempt_id Attempt ID. |
| 1180 | * @param array $review_statuses Review statuses keyed by question ID. |
| 1181 | * |
| 1182 | * @return void |
| 1183 | */ |
| 1184 | private function review_quiz_answers_bulk( int $attempt_id, array $review_statuses ) { |
| 1185 | if ( ! tutor_utils()->can_user_manage( 'attempt', $attempt_id ) ) { |
| 1186 | $this->response_fail( __( 'Access Denied', 'tutor' ), 403 ); |
| 1187 | } |
| 1188 | |
| 1189 | $attempt_answers = QuizModel::get_quiz_answers_by_attempt_id( $attempt_id ); |
| 1190 | $answers_by_question_id = array(); |
| 1191 | |
| 1192 | if ( is_array( $attempt_answers ) ) { |
| 1193 | foreach ( $attempt_answers as $attempt_answer ) { |
| 1194 | $question_id = (int) ( $attempt_answer->question_id ?? 0 ); |
| 1195 | |
| 1196 | if ( $question_id > 0 ) { |
| 1197 | $answers_by_question_id[ $question_id ] = $attempt_answer; |
| 1198 | } |
| 1199 | } |
| 1200 | } |
| 1201 | |
| 1202 | foreach ( $review_statuses as $question_id => $mark_as ) { |
| 1203 | $question_id = (int) $question_id; |
| 1204 | $mark_as = (string) $mark_as; |
| 1205 | |
| 1206 | if ( ! in_array( $mark_as, array( 'correct', 'incorrect' ), true ) ) { |
| 1207 | continue; |
| 1208 | } |
| 1209 | |
| 1210 | $attempt_answer = $answers_by_question_id[ $question_id ] ?? null; |
| 1211 | |
| 1212 | if ( ! $attempt_answer ) { |
| 1213 | $attempt_answer = $this->resolve_attempt_answer_for_review( $attempt_id, 0, $question_id ); |
| 1214 | } |
| 1215 | |
| 1216 | if ( ! $attempt_answer ) { |
| 1217 | continue; |
| 1218 | } |
| 1219 | |
| 1220 | $this->apply_quiz_answer_review( $attempt_id, $attempt_answer, $mark_as ); |
| 1221 | } |
| 1222 | |
| 1223 | QuizModel::update_attempt_result( $attempt_id ); |
| 1224 | |
| 1225 | $this->response_success( __( 'Review updated successfully', 'tutor' ) ); |
| 1226 | } |
| 1227 | |
| 1228 | /** |
| 1229 | * Get attempt answer record by ID. |
| 1230 | * |
| 1231 | * @since 4.0.0 |
| 1232 | * |
| 1233 | * @param int $attempt_answer_id Attempt answer ID. |
| 1234 | * |
| 1235 | * @return object|null |
| 1236 | */ |
| 1237 | public static function get_attempt_answer( int $attempt_answer_id ) { |
| 1238 | global $wpdb; |
| 1239 | |
| 1240 | return $wpdb->get_row( |
| 1241 | $wpdb->prepare( |
| 1242 | "SELECT * |
| 1243 | FROM {$wpdb->prefix}tutor_quiz_attempt_answers |
| 1244 | WHERE attempt_answer_id = %d", |
| 1245 | $attempt_answer_id |
| 1246 | ) |
| 1247 | ); |
| 1248 | } |
| 1249 | |
| 1250 | /** |
| 1251 | * Get attempt answer by attempt and question IDs. |
| 1252 | * |
| 1253 | * @since 4.0.0 |
| 1254 | * |
| 1255 | * @param int $attempt_id Attempt ID. |
| 1256 | * @param int $question_id Question ID. |
| 1257 | * |
| 1258 | * @return object|null |
| 1259 | */ |
| 1260 | private function get_attempt_answer_by_attempt_and_question( int $attempt_id, int $question_id ) { |
| 1261 | if ( $attempt_id <= 0 || $question_id <= 0 ) { |
| 1262 | return null; |
| 1263 | } |
| 1264 | |
| 1265 | return QueryHelper::get_row( |
| 1266 | 'tutor_quiz_attempt_answers', |
| 1267 | array( |
| 1268 | 'quiz_attempt_id' => $attempt_id, |
| 1269 | 'question_id' => $question_id, |
| 1270 | ), |
| 1271 | 'attempt_answer_id', |
| 1272 | 'ASC' |
| 1273 | ); |
| 1274 | } |
| 1275 | |
| 1276 | /** |
| 1277 | * Create a placeholder attempt answer for a skipped question. |
| 1278 | * |
| 1279 | * @since 4.0.0 |
| 1280 | * |
| 1281 | * @param int $attempt_id Attempt ID. |
| 1282 | * @param int $question_id Question ID. |
| 1283 | * |
| 1284 | * @return object|null |
| 1285 | */ |
| 1286 | private function create_skipped_attempt_answer( int $attempt_id, int $question_id ) { |
| 1287 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 1288 | if ( ! is_object( $attempt ) ) { |
| 1289 | return null; |
| 1290 | } |
| 1291 | |
| 1292 | $question = QuizModel::get_quiz_question_by_id( $question_id ); |
| 1293 | if ( ! is_object( $question ) || (int) $question->quiz_id !== (int) $attempt->quiz_id ) { |
| 1294 | return null; |
| 1295 | } |
| 1296 | |
| 1297 | $attempt_answer = $this->get_attempt_answer_by_attempt_and_question( $attempt_id, $question_id ); |
| 1298 | if ( $attempt_answer ) { |
| 1299 | return $attempt_answer; |
| 1300 | } |
| 1301 | |
| 1302 | try { |
| 1303 | $inserted_id = QueryHelper::insert( |
| 1304 | 'tutor_quiz_attempt_answers', |
| 1305 | array( |
| 1306 | 'user_id' => (int) $attempt->user_id, |
| 1307 | 'quiz_id' => (int) $attempt->quiz_id, |
| 1308 | 'question_id' => $question_id, |
| 1309 | 'quiz_attempt_id' => $attempt_id, |
| 1310 | 'given_answer' => '', |
| 1311 | 'question_mark' => $question->question_mark, |
| 1312 | 'achieved_mark' => 0, |
| 1313 | 'minus_mark' => 0, |
| 1314 | 'is_correct' => 0, |
| 1315 | ) |
| 1316 | ); |
| 1317 | } catch ( \Exception $exception ) { |
| 1318 | return null; |
| 1319 | } |
| 1320 | |
| 1321 | if ( $inserted_id <= 0 ) { |
| 1322 | return null; |
| 1323 | } |
| 1324 | |
| 1325 | return self::get_attempt_answer( $inserted_id ); |
| 1326 | } |
| 1327 | |
| 1328 | /** |
| 1329 | * Resolve the attempt answer used for instructor review. |
| 1330 | * |
| 1331 | * @since 4.0.0 |
| 1332 | * |
| 1333 | * @param int $attempt_id Attempt ID. |
| 1334 | * @param int $attempt_answer_id Attempt answer ID. |
| 1335 | * @param int $question_id Question ID. |
| 1336 | * |
| 1337 | * @return object|null |
| 1338 | */ |
| 1339 | private function resolve_attempt_answer_for_review( int $attempt_id, int $attempt_answer_id = 0, int $question_id = 0 ) { |
| 1340 | $attempt_answer = $attempt_answer_id ? self::get_attempt_answer( $attempt_answer_id ) : null; |
| 1341 | |
| 1342 | if ( $attempt_answer ) { |
| 1343 | return $attempt_answer; |
| 1344 | } |
| 1345 | |
| 1346 | if ( $question_id <= 0 ) { |
| 1347 | return null; |
| 1348 | } |
| 1349 | |
| 1350 | $attempt_answer = $this->get_attempt_answer_by_attempt_and_question( $attempt_id, $question_id ); |
| 1351 | |
| 1352 | if ( $attempt_answer ) { |
| 1353 | return $attempt_answer; |
| 1354 | } |
| 1355 | |
| 1356 | return $this->create_skipped_attempt_answer( $attempt_id, $question_id ); |
| 1357 | } |
| 1358 | |
| 1359 | /** |
| 1360 | * Apply quiz answer review update. |
| 1361 | * |
| 1362 | * @since 4.0.0 |
| 1363 | * |
| 1364 | * @param int $attempt_id Attempt ID. |
| 1365 | * @param object $attempt_answer Attempt answer row. |
| 1366 | * @param string $mark_as Review status. |
| 1367 | * |
| 1368 | * @return array|null |
| 1369 | */ |
| 1370 | private function apply_quiz_answer_review( int $attempt_id, $attempt_answer, string $mark_as ) { |
| 1371 | global $wpdb; |
| 1372 | |
| 1373 | if ( ! $attempt_answer || ! in_array( $mark_as, array( 'correct', 'incorrect' ), true ) ) { |
| 1374 | return null; |
| 1375 | } |
| 1376 | |
| 1377 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 1378 | |
| 1379 | if ( ! is_object( $attempt ) ) { |
| 1380 | return null; |
| 1381 | } |
| 1382 | |
| 1383 | $attempt_answer_id = (int) $attempt_answer->attempt_answer_id; |
| 1384 | $question = QuizModel::get_quiz_question_by_id( $attempt_answer->question_id ); |
| 1385 | if ( ! is_object( $question ) ) { |
| 1386 | return null; |
| 1387 | } |
| 1388 | $course_id = (int) $attempt->course_id; |
| 1389 | $student_id = (int) $attempt->user_id; |
| 1390 | $previous_ans = $attempt_answer->is_correct; |
| 1391 | |
| 1392 | do_action( 'tutor_quiz_review_answer_before', $attempt_answer_id, $attempt_id, $mark_as ); |
| 1393 | |
| 1394 | $mark_as = apply_filters( 'tutor_quiz_review_mark_as', $mark_as, $attempt_answer_id, $attempt_id, $question ); |
| 1395 | |
| 1396 | if ( 'correct' === $mark_as ) { |
| 1397 | $attempt_update_data = array(); |
| 1398 | $answer_update_data = array( |
| 1399 | 'achieved_mark' => $attempt_answer->question_mark, |
| 1400 | 'is_correct' => 1, |
| 1401 | ); |
| 1402 | |
| 1403 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answer_update_data, array( 'attempt_answer_id' => $attempt_answer_id ) ); |
| 1404 | |
| 1405 | if ( 0 == $previous_ans || null == $previous_ans ) { |
| 1406 | $attempt_update_data = array( |
| 1407 | 'earned_marks' => $attempt->earned_marks + $attempt_answer->question_mark, |
| 1408 | 'is_manually_reviewed' => 1, |
| 1409 | 'manually_reviewed_at' => date( 'Y-m-d H:i:s', tutor_time() ), //phpcs:ignore |
| 1410 | ); |
| 1411 | } |
| 1412 | |
| 1413 | if ( 'open_ended' === $question->question_type || 'short_answer' === $question->question_type ) { |
| 1414 | $attempt_update_data['attempt_status'] = QuizModel::ATTEMPT_ENDED; |
| 1415 | } |
| 1416 | |
| 1417 | if ( ! empty( $attempt_update_data ) ) { |
| 1418 | $wpdb->update( $wpdb->tutor_quiz_attempts, $attempt_update_data, array( 'attempt_id' => $attempt_id ) ); |
| 1419 | } |
| 1420 | } elseif ( 'incorrect' === $mark_as ) { |
| 1421 | $attempt_update_data = array(); |
| 1422 | $answer_update_data = array( |
| 1423 | 'achieved_mark' => '0.00', |
| 1424 | 'is_correct' => 0, |
| 1425 | ); |
| 1426 | |
| 1427 | $wpdb->update( $wpdb->prefix . 'tutor_quiz_attempt_answers', $answer_update_data, array( 'attempt_answer_id' => $attempt_answer_id ) ); |
| 1428 | |
| 1429 | if ( 1 == $previous_ans ) { |
| 1430 | $attempt_update_data = array( |
| 1431 | 'earned_marks' => $attempt->earned_marks - $attempt_answer->question_mark, |
| 1432 | 'is_manually_reviewed' => 1, |
| 1433 | 'manually_reviewed_at' => date( 'Y-m-d H:i:s', tutor_time() ), //phpcs:ignore |
| 1434 | ); |
| 1435 | } |
| 1436 | |
| 1437 | if ( 'open_ended' === $question->question_type || 'short_answer' === $question->question_type ) { |
| 1438 | $attempt_update_data['attempt_status'] = QuizModel::ATTEMPT_ENDED; |
| 1439 | } |
| 1440 | |
| 1441 | if ( ! empty( $attempt_update_data ) ) { |
| 1442 | $wpdb->update( $wpdb->tutor_quiz_attempts, $attempt_update_data, array( 'attempt_id' => $attempt_id ) ); |
| 1443 | } |
| 1444 | } |
| 1445 | |
| 1446 | do_action( 'tutor_quiz_review_answer_after', $attempt_answer_id, $attempt_id, $mark_as ); |
| 1447 | do_action( 'tutor_quiz/answer/review/after', $attempt_answer_id, $course_id, $student_id ); |
| 1448 | |
| 1449 | return array( |
| 1450 | 'course_id' => $course_id, |
| 1451 | 'student_id' => $student_id, |
| 1452 | ); |
| 1453 | } |
| 1454 | |
| 1455 | /** |
| 1456 | * Do auto course complete after review a quiz attempt. |
| 1457 | * |
| 1458 | * @since 2.4.0 |
| 1459 | * |
| 1460 | * @param int $attempt_answer_id attempt answer id. |
| 1461 | * @param int $course_id course id. |
| 1462 | * @param int $user_id student id. |
| 1463 | * |
| 1464 | * @return void |
| 1465 | */ |
| 1466 | public function do_auto_course_complete( $attempt_answer_id, $course_id, $user_id ) { |
| 1467 | if ( CourseModel::can_autocomplete_course( $course_id, $user_id ) ) { |
| 1468 | CourseModel::mark_course_as_completed( $course_id, $user_id ); |
| 1469 | Course::set_review_popup_data( $user_id, $course_id ); |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | /** |
| 1474 | * Get a quiz details by id |
| 1475 | * |
| 1476 | * @return void |
| 1477 | */ |
| 1478 | public function ajax_quiz_details() { |
| 1479 | tutor_utils()->check_nonce(); |
| 1480 | |
| 1481 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 1482 | if ( ! tutor_utils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 1483 | $this->json_response( |
| 1484 | tutor_utils()->error_message(), |
| 1485 | null, |
| 1486 | HttpHelper::STATUS_FORBIDDEN |
| 1487 | ); |
| 1488 | } |
| 1489 | |
| 1490 | $data = QuizModel::get_quiz_details( $quiz_id ); |
| 1491 | |
| 1492 | $data = apply_filters( 'tutor_quiz_details_response', $data, $quiz_id ); |
| 1493 | |
| 1494 | $this->json_response( |
| 1495 | __( 'Quiz data fetched successfully', 'tutor' ), |
| 1496 | $data |
| 1497 | ); |
| 1498 | } |
| 1499 | |
| 1500 | /** |
| 1501 | * Delete quiz by id |
| 1502 | * |
| 1503 | * @since 1.0.0 |
| 1504 | * @since 3.0.0 refactor and response change. |
| 1505 | * |
| 1506 | * @return void |
| 1507 | */ |
| 1508 | public function ajax_quiz_delete() { |
| 1509 | if ( ! tutor_utils()->is_nonce_verified() ) { |
| 1510 | $this->json_response( tutor_utils()->error_message( 'nonce' ), null, HttpHelper::STATUS_BAD_REQUEST ); |
| 1511 | } |
| 1512 | |
| 1513 | global $wpdb; |
| 1514 | |
| 1515 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 1516 | if ( ! tutor_utils()->can_user_manage( 'quiz', $quiz_id ) ) { |
| 1517 | $this->json_response( |
| 1518 | tutor_utils()->error_message(), |
| 1519 | null, |
| 1520 | HttpHelper::STATUS_FORBIDDEN |
| 1521 | ); |
| 1522 | } |
| 1523 | |
| 1524 | $post = get_post( $quiz_id ); |
| 1525 | if ( 'tutor_quiz' !== $post->post_type ) { |
| 1526 | $this->json_response( |
| 1527 | __( 'Invalid quiz', 'tutor' ), |
| 1528 | null, |
| 1529 | HttpHelper::STATUS_BAD_REQUEST |
| 1530 | ); |
| 1531 | } |
| 1532 | |
| 1533 | do_action( 'tutor_delete_quiz_before', $quiz_id ); |
| 1534 | |
| 1535 | // Collect file paths from all question types that store files before deleting rows (files deleted after DB for safety). |
| 1536 | $attempts_for_quiz = QueryHelper::get_all( 'tutor_quiz_attempts', array( 'quiz_id' => $quiz_id ), 'attempt_id', -1 ); |
| 1537 | $attempt_file_paths = array(); |
| 1538 | if ( ! empty( $attempts_for_quiz ) ) { |
| 1539 | $attempt_ids = array_map( |
| 1540 | function ( $row ) { |
| 1541 | return (int) $row->attempt_id; |
| 1542 | }, |
| 1543 | $attempts_for_quiz |
| 1544 | ); |
| 1545 | $attempt_file_paths = apply_filters( 'tutor_quiz/attempt_file_paths_for_deletion', array(), $attempt_ids ); |
| 1546 | $attempt_file_paths = is_array( $attempt_file_paths ) ? array_values( array_filter( array_unique( $attempt_file_paths ) ) ) : array(); |
| 1547 | } |
| 1548 | |
| 1549 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempts', array( 'quiz_id' => $quiz_id ) ); |
| 1550 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempt_answers', array( 'quiz_id' => $quiz_id ) ); |
| 1551 | |
| 1552 | QuizModel::delete_files_by_paths( $attempt_file_paths ); |
| 1553 | |
| 1554 | // Collect instructor file paths before deleting question data (e.g. draw_image / pin_image masks). |
| 1555 | /** |
| 1556 | * Filter to get file paths for quiz deletion. |
| 1557 | * Pro and other add-ons register their question types via this filter. |
| 1558 | * |
| 1559 | * @param string[] $file_paths Paths collected so far. |
| 1560 | * @param int $quiz_id Quiz post ID. |
| 1561 | */ |
| 1562 | $quiz_file_paths = apply_filters( 'tutor_quiz_quiz_file_paths_for_deletion', array(), $quiz_id ); |
| 1563 | |
| 1564 | $questions_ids = $wpdb->get_col( $wpdb->prepare( "SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = %d ", $quiz_id ) ); |
| 1565 | |
| 1566 | if ( is_array( $questions_ids ) && count( $questions_ids ) ) { |
| 1567 | $in_question_ids = QueryHelper::prepare_in_clause( $questions_ids ); |
| 1568 | //phpcs:disable |
| 1569 | $wpdb->query( |
| 1570 | "DELETE |
| 1571 | FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 1572 | WHERE belongs_question_id IN({$in_question_ids}) |
| 1573 | " |
| 1574 | ); |
| 1575 | //phpcs:enable |
| 1576 | } |
| 1577 | |
| 1578 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_questions', array( 'quiz_id' => $quiz_id ) ); |
| 1579 | |
| 1580 | QuizModel::delete_files_by_paths( $quiz_file_paths ); |
| 1581 | |
| 1582 | wp_delete_post( $quiz_id, true ); |
| 1583 | |
| 1584 | do_action( 'tutor_delete_quiz_after', $quiz_id ); |
| 1585 | |
| 1586 | $this->json_response( |
| 1587 | __( 'Quiz deleted successfully', 'tutor' ), |
| 1588 | $quiz_id |
| 1589 | ); |
| 1590 | } |
| 1591 | |
| 1592 | /** |
| 1593 | * Get answers by quiz id |
| 1594 | * |
| 1595 | * @since 1.0.0 |
| 1596 | * |
| 1597 | * @param int $question_id question id. |
| 1598 | * @param mixed $question_type type of question. |
| 1599 | * @param boolean $is_correct only correct answers or not. |
| 1600 | * |
| 1601 | * @return array|object|null |
| 1602 | */ |
| 1603 | private function get_answers_by_q_id( $question_id, $question_type, $is_correct = false ) { |
| 1604 | global $wpdb; |
| 1605 | |
| 1606 | $correct_clause = $is_correct ? ' AND is_correct=1 ' : ''; |
| 1607 | //phpcs:disable |
| 1608 | return $wpdb->get_results( |
| 1609 | $wpdb->prepare( |
| 1610 | "SELECT * FROM {$wpdb->prefix}tutor_quiz_question_answers |
| 1611 | WHERE belongs_question_id = %d |
| 1612 | AND belongs_question_type = %s |
| 1613 | {$correct_clause} |
| 1614 | ORDER BY answer_order ASC; |
| 1615 | ", |
| 1616 | $question_id, |
| 1617 | esc_sql( $question_type ) |
| 1618 | ) |
| 1619 | ); |
| 1620 | //phpcs:enable |
| 1621 | } |
| 1622 | |
| 1623 | /** |
| 1624 | * Rendering quiz for frontend |
| 1625 | * |
| 1626 | * @since 1.0.0 |
| 1627 | * |
| 1628 | * @return void send wp_json response |
| 1629 | */ |
| 1630 | public function tutor_render_quiz_content() { |
| 1631 | |
| 1632 | tutor_utils()->checking_nonce(); |
| 1633 | |
| 1634 | $quiz_id = Input::post( 'quiz_id', 0, Input::TYPE_INT ); |
| 1635 | |
| 1636 | if ( ! tutor_utils()->has_enrolled_content_access( 'quiz', $quiz_id ) ) { |
| 1637 | wp_send_json_error( array( 'message' => __( 'Access Denied.', 'tutor' ) ) ); |
| 1638 | } |
| 1639 | |
| 1640 | ob_start(); |
| 1641 | global $post; |
| 1642 | |
| 1643 | $post = get_post( $quiz_id ); //phpcs:ignore |
| 1644 | setup_postdata( $post ); |
| 1645 | |
| 1646 | single_quiz_contents(); |
| 1647 | wp_reset_postdata(); |
| 1648 | |
| 1649 | $html = ob_get_clean(); |
| 1650 | wp_send_json_success( array( 'html' => $html ) ); |
| 1651 | } |
| 1652 | |
| 1653 | /** |
| 1654 | * Get attempt details |
| 1655 | * |
| 1656 | * @since 1.0.0 |
| 1657 | * |
| 1658 | * @param int $attempt_id required attempt id to get details. |
| 1659 | * |
| 1660 | * @return mixed object on success, null on failure |
| 1661 | */ |
| 1662 | public static function attempt_details( int $attempt_id ) { |
| 1663 | global $wpdb; |
| 1664 | $attempt_details = $wpdb->get_row( |
| 1665 | $wpdb->prepare( |
| 1666 | "SELECT * |
| 1667 | FROM {$wpdb->prefix}tutor_quiz_attempts |
| 1668 | WHERE attempt_id = %d |
| 1669 | ", |
| 1670 | $attempt_id |
| 1671 | ) |
| 1672 | ); |
| 1673 | return $attempt_details; |
| 1674 | } |
| 1675 | |
| 1676 | /** |
| 1677 | * Update quiz attempt info |
| 1678 | * |
| 1679 | * @since 1.0.0 |
| 1680 | * |
| 1681 | * @param int $attempt_id attempt id. |
| 1682 | * @param mixed $attempt_info serialize data. |
| 1683 | * |
| 1684 | * @return bool |
| 1685 | */ |
| 1686 | public static function update_attempt_info( int $attempt_id, $attempt_info ) { |
| 1687 | global $wpdb; |
| 1688 | $table = $wpdb->prefix . 'tutor_quiz_attempts'; |
| 1689 | $update_info = $wpdb->update( |
| 1690 | $table, |
| 1691 | array( 'attempt_info' => $attempt_info ), |
| 1692 | array( 'attempt_id' => $attempt_id ) |
| 1693 | ); |
| 1694 | return $update_info ? true : false; |
| 1695 | } |
| 1696 | |
| 1697 | /** |
| 1698 | * Attempt delete ajax request handler |
| 1699 | * |
| 1700 | * @since 2.1.0 |
| 1701 | * |
| 1702 | * @return void wp_json response |
| 1703 | */ |
| 1704 | public function attempt_delete() { |
| 1705 | tutor_utils()->checking_nonce(); |
| 1706 | |
| 1707 | $attempt_id = Input::post( 'id', 0, Input::TYPE_INT ); |
| 1708 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 1709 | if ( ! is_object( $attempt ) ) { |
| 1710 | wp_send_json_error( __( 'Invalid attempt ID', 'tutor' ) ); |
| 1711 | } |
| 1712 | |
| 1713 | $user_id = get_current_user_id(); |
| 1714 | $course_id = $attempt->course_id; |
| 1715 | |
| 1716 | if ( tutor_utils()->can_user_edit_course( $user_id, $course_id ) ) { |
| 1717 | QuizModel::delete_quiz_attempt( $attempt_id ); |
| 1718 | wp_send_json_success( __( 'Attempt deleted successfully!', 'tutor' ) ); |
| 1719 | } else { |
| 1720 | wp_send_json_error( tutor_utils()->error_message() ); |
| 1721 | } |
| 1722 | } |
| 1723 | |
| 1724 | /** |
| 1725 | * Get all quiz attempts for a user in a specific course. |
| 1726 | * |
| 1727 | * @since 3.8.1 |
| 1728 | * |
| 1729 | * @param int $course_id The ID of the course. |
| 1730 | * |
| 1731 | * @return array Returns an array of quiz attempt objects with their answers, or an empty array on error. |
| 1732 | */ |
| 1733 | public function get_quiz_attempts_and_answers_by_course_id( int $course_id ): array { |
| 1734 | global $wpdb; |
| 1735 | |
| 1736 | $results = QueryHelper::get_all( $wpdb->tutor_quiz_attempts, array( 'course_id' => $course_id ), 'course_id', -1 ); |
| 1737 | |
| 1738 | if ( empty( $results ) ) { |
| 1739 | return array(); |
| 1740 | } |
| 1741 | |
| 1742 | return array_map( |
| 1743 | function ( $item ) { |
| 1744 | $item->quiz_attempt_answers = $this->get_quiz_attempt_answers_by_attempt_id( $item->attempt_id ); |
| 1745 | return $item; |
| 1746 | }, |
| 1747 | $results |
| 1748 | ); |
| 1749 | } |
| 1750 | |
| 1751 | /** |
| 1752 | * Get all quiz attempt answers for a specific quiz attempt. |
| 1753 | * |
| 1754 | * @since 3.8.1 |
| 1755 | * |
| 1756 | * @param int $attempt_id The ID of the quiz attempt. |
| 1757 | * |
| 1758 | * @return array Returns an array of quiz attempt answers objects, or an empty array on error. |
| 1759 | */ |
| 1760 | private function get_quiz_attempt_answers_by_attempt_id( int $attempt_id ): array { |
| 1761 | global $wpdb; |
| 1762 | |
| 1763 | $results = QueryHelper::get_all( $wpdb->tutor_quiz_attempt_answers, array( 'quiz_attempt_id' => $attempt_id ), 'quiz_attempt_id', -1 ); |
| 1764 | |
| 1765 | if ( empty( $results ) ) { |
| 1766 | return array(); |
| 1767 | } |
| 1768 | |
| 1769 | return $results; |
| 1770 | } |
| 1771 | |
| 1772 | /** |
| 1773 | * Render quiz title as nav item to show on the learning area |
| 1774 | * |
| 1775 | * @since 4.0.0 |
| 1776 | * |
| 1777 | * @param WP_Post $quiz Quiz post object. |
| 1778 | * @param bool $can_access Can user access this content. |
| 1779 | * |
| 1780 | * @return void |
| 1781 | */ |
| 1782 | public function render_nav_item( WP_Post $quiz, bool $can_access ): void { |
| 1783 | tutor_load_template( |
| 1784 | 'learning-area.quiz.nav-item', |
| 1785 | array( |
| 1786 | 'quiz' => $quiz, |
| 1787 | 'can_access' => $can_access, |
| 1788 | ) |
| 1789 | ); |
| 1790 | } |
| 1791 | |
| 1792 | /** |
| 1793 | * Render content for the a single quiz |
| 1794 | * |
| 1795 | * @since 4.0.0 |
| 1796 | * |
| 1797 | * @param WP_Post $quiz Quiz post object. |
| 1798 | * |
| 1799 | * @return void |
| 1800 | */ |
| 1801 | public function render_single_content( WP_Post $quiz ): void { |
| 1802 | tutor_load_template( |
| 1803 | 'learning-area.quiz.content', |
| 1804 | array( |
| 1805 | 'quiz' => $quiz, |
| 1806 | ) |
| 1807 | ); |
| 1808 | } |
| 1809 | |
| 1810 | /** |
| 1811 | * Render quiz summary |
| 1812 | * |
| 1813 | * @since 4.0.0 |
| 1814 | * |
| 1815 | * @param int $total_questions Total questions. |
| 1816 | * @param string $quiz_item_readable Readable time. |
| 1817 | * @param int $total_marks Total Marks. |
| 1818 | * @param string $passing_grade Passing grade. |
| 1819 | * @param string $earned_marks Earned marks. |
| 1820 | * @param string $attempts_allowed Total Attempts allowed. |
| 1821 | * |
| 1822 | * @return void |
| 1823 | */ |
| 1824 | public static function render_quiz_summary( $total_questions, $quiz_item_readable, $total_marks, $passing_grade, $earned_marks, $attempts_allowed ) { |
| 1825 | $quiz_summary = array( |
| 1826 | array( |
| 1827 | 'columns' => array( |
| 1828 | array( |
| 1829 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1830 | ' . SvgIcon::make()->name( Icon::QUESTION_CIRCLE )->size( 20 )->get() . __( 'Questions', 'tutor' ) . ' |
| 1831 | </div>', |
| 1832 | ), |
| 1833 | array( 'content' => $total_questions ), |
| 1834 | ), |
| 1835 | ), |
| 1836 | ); |
| 1837 | |
| 1838 | if ( ! empty( $quiz_item_readable ) ) { |
| 1839 | $quiz_summary[] = array( |
| 1840 | 'columns' => array( |
| 1841 | array( |
| 1842 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1843 | ' . SvgIcon::make()->name( Icon::TIME )->size( 20 )->get() . __( 'Quiz Time', 'tutor' ) . ' |
| 1844 | </div>', |
| 1845 | ), |
| 1846 | array( 'content' => $quiz_item_readable ), |
| 1847 | ), |
| 1848 | ); |
| 1849 | } |
| 1850 | |
| 1851 | $quiz_summary[] = array( |
| 1852 | 'columns' => array( |
| 1853 | array( |
| 1854 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1855 | ' . SvgIcon::make()->name( Icon::PRIME_CHECK_CIRCLE )->size( 20 )->get() . __( 'Total Marks', 'tutor' ) . ' |
| 1856 | </div>', |
| 1857 | ), |
| 1858 | array( 'content' => $total_marks ), |
| 1859 | ), |
| 1860 | ); |
| 1861 | |
| 1862 | $quiz_summary[] = array( |
| 1863 | 'columns' => array( |
| 1864 | array( |
| 1865 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1866 | ' . SvgIcon::make()->name( Icon::PASSED )->size( 20 )->get() . __( 'Passing Grade', 'tutor' ) . ' |
| 1867 | </div>', |
| 1868 | ), |
| 1869 | array( 'content' => $passing_grade . '%' ), |
| 1870 | ), |
| 1871 | ); |
| 1872 | |
| 1873 | if ( $earned_marks ) { |
| 1874 | $quiz_summary[] = array( |
| 1875 | 'columns' => array( |
| 1876 | array( |
| 1877 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1878 | ' . SvgIcon::make()->name( Icon::STAR )->size( 20 )->get() . __( 'Earned Grade', 'tutor' ) . ' |
| 1879 | </div>', |
| 1880 | ), |
| 1881 | array( 'content' => $earned_marks . '%' ), |
| 1882 | ), |
| 1883 | ); |
| 1884 | } |
| 1885 | |
| 1886 | if ( 1 !== $attempts_allowed ) { |
| 1887 | $quiz_summary[] = array( |
| 1888 | 'columns' => array( |
| 1889 | array( |
| 1890 | 'content' => '<div class="tutor-flex tutor-gap-3 tutor-items-center"> |
| 1891 | ' . SvgIcon::make()->name( Icon::TARGET )->size( 20 )->get() . __( 'Total Attempts', 'tutor' ) . ' |
| 1892 | </div>', |
| 1893 | ), |
| 1894 | array( 'content' => 0 === $attempts_allowed ? __( 'No Limit', 'tutor' ) : $attempts_allowed ), |
| 1895 | ), |
| 1896 | ); |
| 1897 | } |
| 1898 | |
| 1899 | Table::make()->contents( $quiz_summary )->render(); |
| 1900 | } |
| 1901 | |
| 1902 | /** |
| 1903 | * Render quiz attempts |
| 1904 | * |
| 1905 | * @since 4.0.0 |
| 1906 | * |
| 1907 | * @param int $quiz_id Quiz ID. |
| 1908 | * |
| 1909 | * @return void |
| 1910 | */ |
| 1911 | public static function render_quiz_attempts( $quiz_id ) { |
| 1912 | $quiz_id = tutor_utils()->get_post_id( $quiz_id ); |
| 1913 | if ( ! $quiz_id ) { |
| 1914 | return; |
| 1915 | } |
| 1916 | |
| 1917 | $user_id = get_current_user_id(); |
| 1918 | $quiz_model = new QuizModel(); |
| 1919 | $attempts = $quiz_model->quiz_attempts( $quiz_id, $user_id ); |
| 1920 | |
| 1921 | if ( empty( $attempts ) ) { |
| 1922 | return; |
| 1923 | } |
| 1924 | |
| 1925 | $attempts_list = QuizModel::format_quiz_attempts( $attempts, '' ); |
| 1926 | |
| 1927 | if ( empty( $attempts_list ) ) { |
| 1928 | return; |
| 1929 | } |
| 1930 | |
| 1931 | $attempts_count = count( $attempts_list ); |
| 1932 | $quiz_attempt_obj = new Quiz_Attempts_List( false ); |
| 1933 | ?> |
| 1934 | <div class="tutor-quiz-attempts tutor-border tutor-rounded-2xl"> |
| 1935 | <div class="tutor-quiz-attempts-header"> |
| 1936 | <div class="tutor-quiz-attempts-header-item"> |
| 1937 | <?php esc_html_e( 'Attempts', 'tutor' ); ?> |
| 1938 | </div> |
| 1939 | <div class="tutor-quiz-attempts-header-item"> |
| 1940 | <?php esc_html_e( 'Marks', 'tutor' ); ?> |
| 1941 | </div> |
| 1942 | <div class="tutor-quiz-attempts-header-item"> |
| 1943 | <?php esc_html_e( 'Time', 'tutor' ); ?> |
| 1944 | </div> |
| 1945 | <div class="tutor-quiz-attempts-header-item"> |
| 1946 | <?php esc_html_e( 'Result', 'tutor' ); ?> |
| 1947 | </div> |
| 1948 | </div> |
| 1949 | |
| 1950 | <div class="tutor-quiz-attempts-list"> |
| 1951 | <?php |
| 1952 | foreach ( $attempts_list as $index => $attempt ) { |
| 1953 | $attempt_number = $attempts_count - $index; |
| 1954 | ?> |
| 1955 | <div class="tutor-quiz-attempts-item-wrapper"> |
| 1956 | <?php |
| 1957 | tutor_load_template( |
| 1958 | 'shared.components.student-quiz-attempt-row', |
| 1959 | array( |
| 1960 | 'attempt' => $attempt, |
| 1961 | 'attempt_number' => $attempt_number, |
| 1962 | 'quiz_id' => $attempt['quiz_id'] ?? 0, |
| 1963 | 'course_id' => $attempt['course_id'] ?? 0, |
| 1964 | 'quiz_attempt_obj' => $quiz_attempt_obj, |
| 1965 | 'is_previous' => false, |
| 1966 | 'is_learning_area' => true, |
| 1967 | ) |
| 1968 | ); |
| 1969 | ?> |
| 1970 | |
| 1971 | <div class="tutor-quiz-item-actions"> |
| 1972 | <?php $quiz_attempt_obj->render_details_button( $attempt, true ); ?> |
| 1973 | </div> |
| 1974 | </div> |
| 1975 | <?php |
| 1976 | } |
| 1977 | ?> |
| 1978 | </div> |
| 1979 | </div> |
| 1980 | <?php |
| 1981 | } |
| 1982 | |
| 1983 | /** |
| 1984 | * Render quiz actions |
| 1985 | * |
| 1986 | * @since 4.0.0 |
| 1987 | * |
| 1988 | * @param int $quiz_id Quiz ID. |
| 1989 | * |
| 1990 | * @return void |
| 1991 | */ |
| 1992 | public static function render_quiz_actions( $quiz_id ) { |
| 1993 | $quiz_id = tutor_utils()->get_post_id( $quiz_id ); |
| 1994 | if ( ! $quiz_id ) { |
| 1995 | return; |
| 1996 | } |
| 1997 | |
| 1998 | $quiz_settings = tutor_utils()->get_quiz_option( $quiz_id ); |
| 1999 | $user_id = get_current_user_id(); |
| 2000 | $quiz_model = new QuizModel(); |
| 2001 | $attempts = $quiz_model->quiz_attempts( $quiz_id, $user_id ); |
| 2002 | $attempted_count = (int) tutor_utils()->count( $attempts ); |
| 2003 | $limit_attempts_allowed = '1' === (string) ( $quiz_settings['limit_attempts_allowed'] ?? '0' ); |
| 2004 | $attempts_allowed = (int) ( $quiz_settings['attempts_allowed'] ?? 0 ); |
| 2005 | $can_start_quiz = 0 === $attempted_count || self::can_retry_quiz( $limit_attempts_allowed, $attempts_allowed, $attempted_count ); |
| 2006 | $quiz_auto_start = $quiz_settings['quiz_auto_start'] ?? 0; |
| 2007 | $auto_start_delay = (int) ( $quiz_settings['auto_start_delay'] ?? 5 ); |
| 2008 | $should_auto_start = 1 === (int) $quiz_auto_start && 0 === (int) $attempted_count; |
| 2009 | |
| 2010 | global $tutor_current_post, $tutor_course_id; |
| 2011 | $current_content_id = $tutor_current_post ? $tutor_current_post->ID : $quiz_id; |
| 2012 | $course_id = $tutor_course_id ? $tutor_course_id : tutor_utils()->get_course_id_by_subcontent( $current_content_id ); |
| 2013 | $contents = tutor_utils()->get_course_prev_next_contents_by_id( $current_content_id ); |
| 2014 | $next_id = is_object( $contents ) ? $contents->next_id : 0; |
| 2015 | $skip_url = get_the_permalink( $next_id ? $next_id : $course_id ); |
| 2016 | $skip_modal_id = 'tutor-quiz-skip-to-next'; |
| 2017 | $auto_start_modal_id = 'tutor-quiz-autostart-modal'; |
| 2018 | $retry_modal_id = 'tutor-quiz-retry-modal-' . $quiz_id; |
| 2019 | $show_retry_modal = $attempted_count > 0; |
| 2020 | |
| 2021 | $can_skip_quiz = ( 0 === $attempted_count ); |
| 2022 | $show_continue = ( $attempted_count > 0 && $next_id ); |
| 2023 | $has_any_action = $can_skip_quiz || $show_continue || $can_start_quiz; |
| 2024 | |
| 2025 | if ( ! $has_any_action ) { |
| 2026 | return; |
| 2027 | } |
| 2028 | ?> |
| 2029 | <div class="tutor-learning-area-footer"> |
| 2030 | <?php |
| 2031 | if ( $can_skip_quiz ) { |
| 2032 | Button::make() |
| 2033 | ->label( __( 'Skip Quiz', 'tutor' ) ) |
| 2034 | ->variant( Variant::GHOST ) |
| 2035 | ->attr( '@click', "TutorCore.modal.showModal('$skip_modal_id')" ) |
| 2036 | ->render(); |
| 2037 | |
| 2038 | $skip_modal_confirm_button = Button::make() |
| 2039 | ->tag( 'a' ) |
| 2040 | ->label( __( 'Yes, Skip This', 'tutor' ) ) |
| 2041 | ->variant( Variant::DESTRUCTIVE ) |
| 2042 | ->size( Size::SMALL ) |
| 2043 | ->attr( 'href', esc_url( $skip_url ) ) |
| 2044 | ->get(); |
| 2045 | |
| 2046 | $skip_modal_cancel_button = Button::make() |
| 2047 | ->label( __( 'Cancel', 'tutor' ) ) |
| 2048 | ->variant( Variant::SECONDARY ) |
| 2049 | ->size( Size::SMALL ) |
| 2050 | ->attr( '@click', "TutorCore.modal.closeModal('$skip_modal_id')" ) |
| 2051 | ->get(); |
| 2052 | |
| 2053 | ConfirmationModal::make() |
| 2054 | ->id( $skip_modal_id ) |
| 2055 | ->icon( tutor_utils()->get_themed_svg( 'images/illustrations/warning.svg' ), 80, 80, ConfirmationModal::ICON_TYPE_HTML ) |
| 2056 | ->title( __( 'Do You Want to Skip This Quiz?', 'tutor' ) ) |
| 2057 | ->message( __( 'Are you sure you want to skip this quiz? Please confirm your choice.', 'tutor' ) ) |
| 2058 | ->confirm_button( $skip_modal_confirm_button ) |
| 2059 | ->cancel_button( $skip_modal_cancel_button ) |
| 2060 | ->render(); |
| 2061 | } |
| 2062 | ?> |
| 2063 | |
| 2064 | <?php if ( $can_start_quiz ) : ?> |
| 2065 | <?php if ( $show_retry_modal ) : ?> |
| 2066 | <?php |
| 2067 | Button::make() |
| 2068 | ->label( __( 'Retry Quiz', 'tutor' ) ) |
| 2069 | ->variant( $show_continue ? Variant::GHOST : Variant::PRIMARY ) |
| 2070 | ->attr( 'type', 'button' ) |
| 2071 | ->attr( |
| 2072 | '@click', |
| 2073 | sprintf( |
| 2074 | 'TutorCore.modal.showModal("%s", { data: %s });', |
| 2075 | $retry_modal_id, |
| 2076 | wp_json_encode( |
| 2077 | array( |
| 2078 | 'quizID' => $quiz_id, |
| 2079 | 'redirectURL' => get_post_permalink( $quiz_id ), |
| 2080 | ) |
| 2081 | ) |
| 2082 | ) |
| 2083 | ) |
| 2084 | ->render(); |
| 2085 | ?> |
| 2086 | <?php else : ?> |
| 2087 | <form |
| 2088 | x-data="tutorQuizAutoStart({ |
| 2089 | quizID: <?php echo esc_attr( $quiz_id ); ?>, |
| 2090 | autoStart: <?php echo $should_auto_start ? 'true' : 'false'; ?>, |
| 2091 | autoStartModalId: '<?php echo esc_attr( $auto_start_modal_id ); ?>', |
| 2092 | countdownSeconds: <?php echo esc_attr( $auto_start_delay ); ?>, |
| 2093 | })" |
| 2094 | @submit.prevent="handleStartQuiz()" |
| 2095 | > |
| 2096 | <?php |
| 2097 | Button::make() |
| 2098 | ->label( __( 'Start Quiz', 'tutor' ) ) |
| 2099 | ->attr( 'x-bind:disabled', 'startQuizMutation?.isPending' ) |
| 2100 | ->attr( ':class', "{ 'tutor-btn-loading': startQuizMutation?.isPending }" ) |
| 2101 | ->render(); |
| 2102 | ?> |
| 2103 | </form> |
| 2104 | <?php endif; ?> |
| 2105 | <?php endif; ?> |
| 2106 | |
| 2107 | <?php |
| 2108 | if ( $show_continue ) { |
| 2109 | Button::make() |
| 2110 | ->tag( 'a' ) |
| 2111 | ->label( __( 'Continue Lesson', 'tutor' ) ) |
| 2112 | ->attr( 'href', esc_url( get_the_permalink( $next_id ) ) ) |
| 2113 | ->render(); |
| 2114 | } |
| 2115 | ?> |
| 2116 | </div> |
| 2117 | |
| 2118 | <?php if ( $show_retry_modal ) : ?> |
| 2119 | <div x-data="tutorQuizRetryAttempt()"> |
| 2120 | <?php |
| 2121 | ConfirmationModal::make() |
| 2122 | ->id( $retry_modal_id ) |
| 2123 | ->title( __( 'Retry Quiz?', 'tutor' ) ) |
| 2124 | ->icon( tutor_utils()->get_themed_svg( 'images/illustrations/quiz-retry.svg' ), 80, 80, ConfirmationModal::ICON_TYPE_HTML ) |
| 2125 | ->message( __( 'Retrying this quiz will reset your current attempt. Your answers and score from this attempt will be lost.', 'tutor' ) ) |
| 2126 | ->confirm_handler( 'retryMutation?.mutate({...payload?.data})' ) |
| 2127 | ->confirm_text( __( 'Retry Quiz', 'tutor' ) ) |
| 2128 | ->mutation_state( 'retryMutation' ) |
| 2129 | ->render(); |
| 2130 | ?> |
| 2131 | </div> |
| 2132 | <?php endif; ?> |
| 2133 | |
| 2134 | <?php |
| 2135 | Modal::make() |
| 2136 | ->id( $auto_start_modal_id ) |
| 2137 | ->closeable( false ) |
| 2138 | ->width( '268px' ) |
| 2139 | ->template( |
| 2140 | tutor()->path . 'templates/learning-area/quiz/modals/auto-start.php', |
| 2141 | array( |
| 2142 | 'countdown_seconds' => $auto_start_delay, |
| 2143 | 'modal_id' => $auto_start_modal_id, |
| 2144 | ) |
| 2145 | ) |
| 2146 | ->render(); |
| 2147 | ?> |
| 2148 | <?php |
| 2149 | } |
| 2150 | |
| 2151 | /** |
| 2152 | * Render individual question template |
| 2153 | * |
| 2154 | * @since 4.0.0 |
| 2155 | * |
| 2156 | * @param object $question Question data. |
| 2157 | * @param int $index Question index. |
| 2158 | * |
| 2159 | * @return void |
| 2160 | */ |
| 2161 | public static function render_question( $question, $index = 0 ) { |
| 2162 | $question_settings = maybe_unserialize( $question->question_settings ); |
| 2163 | $question_type = $question->question_type; |
| 2164 | $rand_choice = ! empty( $question_settings['randomize_question'] ) |
| 2165 | && '1' === $question_settings['randomize_question']; |
| 2166 | |
| 2167 | // Normalize question type + settings. |
| 2168 | switch ( $question->question_type ) { |
| 2169 | case 'short_answer': |
| 2170 | $question->question_type = 'open_ended'; |
| 2171 | break; |
| 2172 | |
| 2173 | case 'single_choice': |
| 2174 | $question->question_type = 'multiple_choice'; |
| 2175 | $question_settings['has_multiple_correct_answer'] = '0'; |
| 2176 | break; |
| 2177 | |
| 2178 | case 'image_matching': |
| 2179 | $question->question_type = 'matching'; |
| 2180 | $question_settings['is_image_matching'] = '1'; |
| 2181 | break; |
| 2182 | } |
| 2183 | |
| 2184 | $template = str_replace( '_', '-', $question->question_type ); |
| 2185 | $answers = self::prepare_question_answers( (int) $question->question_id, $question_type, $rand_choice ); |
| 2186 | |
| 2187 | $question->index = $index; |
| 2188 | $question->question_settings = $question_settings; |
| 2189 | $question->question_answers = $answers['question_answers']; |
| 2190 | $question->question_randomized_answers = $answers['question_randomized_answers']; |
| 2191 | |
| 2192 | tutor_load_template( |
| 2193 | 'learning-area.quiz.question', |
| 2194 | array( |
| 2195 | 'question' => $question, |
| 2196 | 'question_settings' => $question_settings, |
| 2197 | 'question_type' => $template, |
| 2198 | ) |
| 2199 | ); |
| 2200 | } |
| 2201 | |
| 2202 | /** |
| 2203 | * Get question answers prepared for render. |
| 2204 | * |
| 2205 | * @since 4.0.0 |
| 2206 | * |
| 2207 | * @param int $question_id Question ID. |
| 2208 | * @param string $question_type Original question type. |
| 2209 | * @param bool $rand_choice Whether randomized choices are enabled. |
| 2210 | * |
| 2211 | * @return array{question_answers: array, question_randomized_answers: array} |
| 2212 | */ |
| 2213 | private static function prepare_question_answers( int $question_id, string $question_type, bool $rand_choice ): array { |
| 2214 | $question_answers = QuizModel::get_answers_by_quiz_question( $question_id ); |
| 2215 | $question_randomized_answers = array(); |
| 2216 | |
| 2217 | // Ordering questions always use a randomized answer list. |
| 2218 | // Matching and image matching keep the drop-zone items ordered and only shuffle the draggable choices. |
| 2219 | |
| 2220 | if ( 'ordering' === $question_type ) { |
| 2221 | $question_answers = QuizModel::get_answers_by_quiz_question( $question_id, true ); |
| 2222 | } elseif ( 'matching' === $question_type || 'image_matching' === $question_type ) { |
| 2223 | $question_randomized_answers = QuizModel::get_answers_by_quiz_question( $question_id, $rand_choice ); |
| 2224 | } elseif ( $rand_choice ) { |
| 2225 | $question_answers = QuizModel::get_answers_by_quiz_question( $question_id, true ); |
| 2226 | } |
| 2227 | |
| 2228 | $question_answers = array_map( |
| 2229 | static fn( $answer ) => (array) $answer, |
| 2230 | $question_answers |
| 2231 | ); |
| 2232 | $question_randomized_answers = array_map( |
| 2233 | static fn( $answer ) => (array) $answer, |
| 2234 | $question_randomized_answers |
| 2235 | ); |
| 2236 | |
| 2237 | return array( |
| 2238 | 'question_answers' => $question_answers, |
| 2239 | 'question_randomized_answers' => $question_randomized_answers, |
| 2240 | ); |
| 2241 | } |
| 2242 | |
| 2243 | /** |
| 2244 | * Renders the assignment status icon for the learning area navigation. |
| 2245 | * |
| 2246 | * @since 4.0.0 |
| 2247 | * |
| 2248 | * @param WP_Post $quiz The assignment post object. |
| 2249 | * @param bool $can_access Whether the current user can access the assignment. |
| 2250 | * @param int $tutor_current_content_id Current content id. |
| 2251 | * |
| 2252 | * @return void |
| 2253 | */ |
| 2254 | public static function render_sidebar_nav( WP_Post $quiz, $can_access, $tutor_current_content_id ) { |
| 2255 | $quiz_status = ''; |
| 2256 | $icon_name = Icon::QUIZ_2; |
| 2257 | if ( ! $can_access ) { |
| 2258 | $icon_name = Icon::LOCK_STROKE_2; |
| 2259 | } else { |
| 2260 | $last_attempt = ( new QuizModel() )->get_first_or_last_attempt( $quiz->ID ); |
| 2261 | $attempt_ended = is_object( $last_attempt ) && QuizModel::ATTEMPT_STARTED !== $last_attempt->attempt_status; |
| 2262 | |
| 2263 | $quiz_result = QuizModel::get_quiz_result( $quiz->ID ); |
| 2264 | if ( $attempt_ended && QuizModel::ATTEMPT_STARTED !== $last_attempt->attempt_status ) { |
| 2265 | if ( QuizModel::RESULT_FAIL === $quiz_result ) { |
| 2266 | $icon_name = Icon::CROSS_COLORIZE; |
| 2267 | $quiz_status = QuizModel::RESULT_FAIL; |
| 2268 | } elseif ( QuizModel::RESULT_PENDING === $quiz_result ) { |
| 2269 | $icon_name = Icon::INFO_COLORIZE; |
| 2270 | $quiz_status = QuizModel::RESULT_PENDING; |
| 2271 | } elseif ( QuizModel::RESULT_PASS === $quiz_result ) { |
| 2272 | $icon_name = Icon::COMPLETED_COLORIZE; |
| 2273 | } |
| 2274 | } |
| 2275 | } |
| 2276 | |
| 2277 | tutor_load_template( |
| 2278 | 'learning-area.components.sidebar-nav-item', |
| 2279 | array( |
| 2280 | 'item' => $quiz, |
| 2281 | 'active' => $tutor_current_content_id === $quiz->ID, |
| 2282 | 'can_access' => $can_access, |
| 2283 | 'is_completed' => false, |
| 2284 | 'type_label' => __( 'Quiz', 'tutor' ), |
| 2285 | 'icon' => $icon_name, |
| 2286 | 'status_class' => $quiz_status, |
| 2287 | ) |
| 2288 | ); |
| 2289 | } |
| 2290 | |
| 2291 | /** |
| 2292 | * Sanitize quiz content |
| 2293 | * |
| 2294 | * @param string $content Content to sanitize. |
| 2295 | * @return string |
| 2296 | * |
| 2297 | * @since 4.0.5 |
| 2298 | */ |
| 2299 | public static function sanitize_quiz_content( $content ) { |
| 2300 | if ( empty( $content ) ) { |
| 2301 | return ''; |
| 2302 | } |
| 2303 | |
| 2304 | return wp_strip_all_tags( wp_unslash( (string) $content ) ); |
| 2305 | } |
| 2306 | } |
| 2307 |