BaseModel.php
11 months ago
BillingModel.php
1 year ago
CartModel.php
1 year ago
CouponModel.php
11 months ago
CourseModel.php
10 months ago
LessonModel.php
10 months ago
OrderActivitiesModel.php
1 year ago
OrderMetaModel.php
1 year ago
OrderModel.php
10 months ago
QuizModel.php
10 months ago
UserModel.php
1 year ago
WithdrawModel.php
1 year ago
CourseModel.php
1156 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Course Model |
| 4 | * |
| 5 | * @package Tutor\Models |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 2.0.6 |
| 9 | */ |
| 10 | |
| 11 | namespace Tutor\Models; |
| 12 | |
| 13 | use TUTOR\Course; |
| 14 | use Tutor\Ecommerce\Tax; |
| 15 | use Tutor\Helpers\QueryHelper; |
| 16 | use TUTOR_ASSIGNMENTS\Assignments; |
| 17 | |
| 18 | /** |
| 19 | * CourseModel Class |
| 20 | * |
| 21 | * @since 2.0.6 |
| 22 | */ |
| 23 | class CourseModel { |
| 24 | /** |
| 25 | * WordPress course type name |
| 26 | * |
| 27 | * @var string |
| 28 | */ |
| 29 | const POST_TYPE = 'courses'; |
| 30 | const COURSE_CATEGORY = 'course-category'; |
| 31 | const COURSE_TAG = 'course-tag'; |
| 32 | |
| 33 | const STATUS_PUBLISH = 'publish'; |
| 34 | const STATUS_DRAFT = 'draft'; |
| 35 | const STATUS_AUTO_DRAFT = 'auto-draft'; |
| 36 | const STATUS_PENDING = 'pending'; |
| 37 | const STATUS_PRIVATE = 'private'; |
| 38 | const STATUS_FUTURE = 'future'; |
| 39 | const STATUS_TRASH = 'trash'; |
| 40 | |
| 41 | /** |
| 42 | * Course completion modes |
| 43 | */ |
| 44 | const MODE_FLEXIBLE = 'flexible'; |
| 45 | const MODE_STRICT = 'strict'; |
| 46 | |
| 47 | /** |
| 48 | * Course mapped with the product using this meta key |
| 49 | * |
| 50 | * @var string |
| 51 | */ |
| 52 | const WC_PRODUCT_META_KEY = '_tutor_course_product_id'; |
| 53 | |
| 54 | /** |
| 55 | * Course attachment/downloadable resources meta key |
| 56 | * |
| 57 | * @var string |
| 58 | */ |
| 59 | const ATTACHMENT_META_KEY = '_tutor_attachments'; |
| 60 | |
| 61 | /** |
| 62 | * Course benefits meta key |
| 63 | * |
| 64 | * @var string |
| 65 | */ |
| 66 | const BENEFITS_META_KEY = '_tutor_course_benefits'; |
| 67 | |
| 68 | /** |
| 69 | * Get available status list. |
| 70 | * |
| 71 | * @since 3.0.0 |
| 72 | * |
| 73 | * @return array |
| 74 | */ |
| 75 | public static function get_status_list() { |
| 76 | return array( |
| 77 | self::STATUS_DRAFT, |
| 78 | self::STATUS_AUTO_DRAFT, |
| 79 | self::STATUS_PUBLISH, |
| 80 | self::STATUS_PRIVATE, |
| 81 | self::STATUS_FUTURE, |
| 82 | self::STATUS_PENDING, |
| 83 | self::STATUS_TRASH, |
| 84 | ); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Course record count |
| 89 | * |
| 90 | * @since 2.0.7 |
| 91 | * |
| 92 | * @since 3.6.0 $post_type param added |
| 93 | * |
| 94 | * @param string $status Post status. |
| 95 | * @param string $post_type Post type. |
| 96 | * |
| 97 | * @return int |
| 98 | */ |
| 99 | public static function count( $status = self::STATUS_PUBLISH, $post_type = self::POST_TYPE ) { |
| 100 | $count_obj = wp_count_posts( $post_type ); |
| 101 | if ( 'all' === $status ) { |
| 102 | return array_sum( (array) $count_obj ); |
| 103 | } |
| 104 | |
| 105 | return (int) $count_obj->{$status}; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Get tutor post types |
| 110 | * |
| 111 | * @since 3.5.0 |
| 112 | * |
| 113 | * @param int|\WP_POST $post the post id or object. |
| 114 | * |
| 115 | * @return bool |
| 116 | */ |
| 117 | public static function get_post_types( $post ) { |
| 118 | return apply_filters( 'tutor_check_course_post_type', get_post_type( $post ) ); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Get courses |
| 123 | * |
| 124 | * @since 1.0.0 |
| 125 | * |
| 126 | * @param array $excludes exclude course ids. |
| 127 | * @param array $post_status post status array. |
| 128 | * |
| 129 | * @return array|null|object |
| 130 | */ |
| 131 | public static function get_courses( $excludes = array(), $post_status = array( 'publish' ) ) { |
| 132 | global $wpdb; |
| 133 | |
| 134 | $excludes = (array) $excludes; |
| 135 | $exclude_query = ''; |
| 136 | |
| 137 | if ( count( $excludes ) ) { |
| 138 | $exclude_query = implode( "','", $excludes ); |
| 139 | } |
| 140 | |
| 141 | $post_status = array_map( |
| 142 | function ( $element ) { |
| 143 | return "'" . $element . "'"; |
| 144 | }, |
| 145 | $post_status |
| 146 | ); |
| 147 | |
| 148 | $post_status = implode( ',', $post_status ); |
| 149 | $course_post_type = tutor()->course_post_type; |
| 150 | |
| 151 | //phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 152 | $query = $wpdb->get_results( |
| 153 | $wpdb->prepare( |
| 154 | "SELECT ID, |
| 155 | post_author, |
| 156 | post_title, |
| 157 | post_name, |
| 158 | post_status, |
| 159 | menu_order |
| 160 | FROM {$wpdb->posts} |
| 161 | WHERE post_status IN ({$post_status}) |
| 162 | AND ID NOT IN('$exclude_query') |
| 163 | AND post_type = %s; |
| 164 | ", |
| 165 | $course_post_type |
| 166 | ) |
| 167 | ); |
| 168 | //phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 169 | |
| 170 | return $query; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Get courses using provided args |
| 175 | * |
| 176 | * If user is not admin then it will return only current user's post |
| 177 | * |
| 178 | * @since 3.0.0 |
| 179 | * |
| 180 | * @param array $args Args. |
| 181 | * |
| 182 | * @return \WP_Query |
| 183 | */ |
| 184 | public static function get_courses_by_args( array $args = array() ) { |
| 185 | |
| 186 | $default_args = array( |
| 187 | 'post_type' => tutor()->course_post_type, |
| 188 | 'posts_per_page' => -1, |
| 189 | 'post_status' => 'publish', |
| 190 | ); |
| 191 | |
| 192 | if ( ! current_user_can( 'manage_options' ) ) { |
| 193 | $default_args['author'] = get_current_user_id(); |
| 194 | } |
| 195 | |
| 196 | $args = wp_parse_args( $args, apply_filters( 'tutor_get_course_list_filter_args', $default_args ) ); |
| 197 | |
| 198 | return new \WP_Query( $args ); |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * Get course count by instructor |
| 203 | * |
| 204 | * @since 1.0.0 |
| 205 | * |
| 206 | * @param int $instructor_id instructor ID. |
| 207 | * |
| 208 | * @return null|string |
| 209 | */ |
| 210 | public static function get_course_count_by_instructor( $instructor_id ) { |
| 211 | global $wpdb; |
| 212 | |
| 213 | $course_post_type = tutor()->course_post_type; |
| 214 | |
| 215 | $count = $wpdb->get_var( |
| 216 | $wpdb->prepare( |
| 217 | "SELECT COUNT(ID) |
| 218 | FROM {$wpdb->posts} |
| 219 | INNER JOIN {$wpdb->usermeta} |
| 220 | ON user_id = %d |
| 221 | AND meta_key = %s |
| 222 | AND meta_value = ID |
| 223 | WHERE post_status = %s |
| 224 | AND post_type = %s; |
| 225 | ", |
| 226 | $instructor_id, |
| 227 | '_tutor_instructor_course_id', |
| 228 | 'publish', |
| 229 | $course_post_type |
| 230 | ) |
| 231 | ); |
| 232 | |
| 233 | return $count; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Get course by quiz |
| 238 | * |
| 239 | * @since 1.0.0 |
| 240 | * |
| 241 | * @param int $quiz_id quiz id. |
| 242 | * |
| 243 | * @return array|bool|null|object|void |
| 244 | */ |
| 245 | public static function get_course_by_quiz( $quiz_id ) { |
| 246 | $quiz_id = tutils()->get_post_id( $quiz_id ); |
| 247 | $post = get_post( $quiz_id ); |
| 248 | |
| 249 | if ( $post ) { |
| 250 | $course = get_post( $post->post_parent ); |
| 251 | if ( $course ) { |
| 252 | if ( tutor()->course_post_type !== $course->post_type ) { |
| 253 | $course = get_post( $course->post_parent ); |
| 254 | } |
| 255 | return $course; |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Get courses by a instructor |
| 264 | * |
| 265 | * @since 1.0.0 |
| 266 | * @since 3.5.0 param $post_types added. |
| 267 | * |
| 268 | * @param integer $instructor_id instructor id. |
| 269 | * @param array|string $post_status post status. |
| 270 | * @param integer $offset offset. |
| 271 | * @param integer $limit limit. |
| 272 | * @param boolean $count_only count or not. |
| 273 | * @param array $post_types array of post types. |
| 274 | * |
| 275 | * @return array|null|object |
| 276 | */ |
| 277 | public static function get_courses_by_instructor( $instructor_id = 0, $post_status = array( 'publish' ), int $offset = 0, int $limit = PHP_INT_MAX, $count_only = false, $post_types = array() ) { |
| 278 | global $wpdb; |
| 279 | $offset = sanitize_text_field( $offset ); |
| 280 | $limit = sanitize_text_field( $limit ); |
| 281 | $instructor_id = tutils()->get_user_id( $instructor_id ); |
| 282 | |
| 283 | if ( ! count( $post_types ) ) { |
| 284 | $post_types = array( tutor()->course_post_type ); |
| 285 | } |
| 286 | |
| 287 | $post_types = QueryHelper::prepare_in_clause( $post_types ); |
| 288 | |
| 289 | if ( empty( $post_status ) || 'any' == $post_status ) { |
| 290 | $where_post_status = ''; |
| 291 | } else { |
| 292 | ! is_array( $post_status ) ? $post_status = array( $post_status ) : 0; |
| 293 | $statuses = "'" . implode( "','", $post_status ) . "'"; |
| 294 | $where_post_status = "AND $wpdb->posts.post_status IN({$statuses}) "; |
| 295 | } |
| 296 | |
| 297 | $select_col = $count_only ? " COUNT(DISTINCT $wpdb->posts.ID) " : " $wpdb->posts.* "; |
| 298 | $limit_offset = $count_only ? '' : " LIMIT $offset, $limit "; |
| 299 | |
| 300 | //phpcs:disable |
| 301 | $query = $wpdb->prepare( |
| 302 | "SELECT $select_col |
| 303 | FROM $wpdb->posts |
| 304 | LEFT JOIN {$wpdb->usermeta} |
| 305 | ON $wpdb->usermeta.user_id = %d |
| 306 | AND $wpdb->usermeta.meta_key = %s |
| 307 | AND $wpdb->usermeta.meta_value = $wpdb->posts.ID |
| 308 | WHERE 1 = 1 {$where_post_status} |
| 309 | AND $wpdb->posts.post_type IN ({$post_types}) |
| 310 | AND ($wpdb->posts.post_author = %d OR $wpdb->usermeta.user_id = %d) |
| 311 | ORDER BY $wpdb->posts.post_date DESC $limit_offset", |
| 312 | $instructor_id, |
| 313 | '_tutor_instructor_course_id', |
| 314 | $instructor_id, |
| 315 | $instructor_id |
| 316 | ); |
| 317 | //phpcs:enable |
| 318 | |
| 319 | $query = apply_filters( 'modify_get_courses_by_instructor_query', $query, $instructor_id, $where_post_status, $post_types, $limit_offset, $select_col ); |
| 320 | |
| 321 | //phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 322 | return $count_only ? $wpdb->get_var( $query ) : $wpdb->get_results( $query, OBJECT ); |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Get courses for instructors |
| 327 | * |
| 328 | * @since 1.0.0 |
| 329 | * |
| 330 | * @param int $instructor_id Instructor ID. |
| 331 | * @return array|null|object |
| 332 | */ |
| 333 | public function get_courses_for_instructors( $instructor_id = 0 ) { |
| 334 | $instructor_id = tutor_utils()->get_user_id( $instructor_id ); |
| 335 | $course_post_type = tutor()->course_post_type; |
| 336 | |
| 337 | $courses = get_posts( |
| 338 | array( |
| 339 | 'post_type' => $course_post_type, |
| 340 | 'author' => $instructor_id, |
| 341 | 'post_status' => array( 'publish', 'pending' ), |
| 342 | 'posts_per_page' => 5, |
| 343 | ) |
| 344 | ); |
| 345 | |
| 346 | return $courses; |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Check a user is main instructor of a course |
| 351 | * |
| 352 | * @since 2.1.6 |
| 353 | * |
| 354 | * @param integer $course_id course id. |
| 355 | * @param integer $user_id instructor id ( optional ) default: current user id. |
| 356 | * |
| 357 | * @return boolean |
| 358 | */ |
| 359 | public static function is_main_instructor( $course_id, $user_id = 0 ) { |
| 360 | $course = get_post( $course_id ); |
| 361 | $user_id = tutor_utils()->get_user_id( $user_id ); |
| 362 | |
| 363 | if ( ! $course || ! self::get_post_types( $course_id ) || $user_id !== (int) $course->post_author ) { |
| 364 | return false; |
| 365 | } |
| 366 | |
| 367 | return true; |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Mark the course as completed |
| 372 | * |
| 373 | * @since 2.0.7 |
| 374 | * |
| 375 | * @param int $course_id course id which is completed. |
| 376 | * @param int $user_id student id who completed the course. |
| 377 | * |
| 378 | * @return bool |
| 379 | */ |
| 380 | public static function mark_course_as_completed( $course_id, $user_id ) { |
| 381 | if ( ! $course_id || ! $user_id ) { |
| 382 | return false; |
| 383 | } |
| 384 | |
| 385 | do_action( 'tutor_course_complete_before', $course_id ); |
| 386 | |
| 387 | /** |
| 388 | * Marking course completed at Comment. |
| 389 | */ |
| 390 | global $wpdb; |
| 391 | |
| 392 | $date = date( 'Y-m-d H:i:s', tutor_time() ); //phpcs:ignore |
| 393 | |
| 394 | // Making sure that, hash is unique. |
| 395 | do { |
| 396 | $hash = substr( md5( wp_generate_password( 32 ) . $date . $course_id . $user_id ), 0, 16 ); |
| 397 | $has_hash = (int) $wpdb->get_var( |
| 398 | $wpdb->prepare( |
| 399 | "SELECT COUNT(comment_ID) from {$wpdb->comments} |
| 400 | WHERE comment_agent = 'TutorLMSPlugin' AND comment_type = 'course_completed' AND comment_content = %s ", |
| 401 | $hash |
| 402 | ) |
| 403 | ); |
| 404 | |
| 405 | } while ( $has_hash > 0 ); |
| 406 | |
| 407 | $data = array( |
| 408 | 'comment_post_ID' => $course_id, |
| 409 | 'comment_author' => $user_id, |
| 410 | 'comment_date' => $date, |
| 411 | 'comment_date_gmt' => get_gmt_from_date( $date ), |
| 412 | 'comment_content' => $hash, // Identification Hash. |
| 413 | 'comment_approved' => 'approved', |
| 414 | 'comment_agent' => 'TutorLMSPlugin', |
| 415 | 'comment_type' => 'course_completed', |
| 416 | 'user_id' => $user_id, |
| 417 | ); |
| 418 | |
| 419 | $wpdb->insert( $wpdb->comments, $data ); |
| 420 | |
| 421 | do_action( 'tutor_course_complete_after', $course_id, $user_id ); |
| 422 | |
| 423 | return true; |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Delete a course by ID |
| 428 | * |
| 429 | * @since 2.0.9 |
| 430 | * |
| 431 | * @param int $post_id course id that need to delete. |
| 432 | * @return bool |
| 433 | */ |
| 434 | public static function delete_course( $post_id ) { |
| 435 | if ( ! self::get_post_types( $post_id ) ) { |
| 436 | return false; |
| 437 | } |
| 438 | |
| 439 | wp_delete_post( $post_id, true ); |
| 440 | return true; |
| 441 | } |
| 442 | |
| 443 | /** |
| 444 | * Get post ids by post type and parent_id |
| 445 | * |
| 446 | * @since 1.6.6 |
| 447 | * |
| 448 | * @param string $post_type post type. |
| 449 | * @param integer $post_parent post parent ID. |
| 450 | * |
| 451 | * @return array |
| 452 | */ |
| 453 | private function get_post_ids( $post_type, $post_parent ) { |
| 454 | $args = array( |
| 455 | 'fields' => 'ids', |
| 456 | 'post_type' => $post_type, |
| 457 | 'post_parent' => $post_parent, |
| 458 | 'post_status' => 'any', |
| 459 | 'posts_per_page' => -1, |
| 460 | ); |
| 461 | return get_posts( $args ); |
| 462 | } |
| 463 | |
| 464 | /** |
| 465 | * Delete course data when permanently deleting a course. |
| 466 | * |
| 467 | * @since 1.6.6 |
| 468 | * @since 2.0.9 updated |
| 469 | * |
| 470 | * @param integer $post_id post ID. |
| 471 | * @return bool |
| 472 | */ |
| 473 | public function delete_course_data( $post_id ) { |
| 474 | $course_post_type = tutor()->course_post_type; |
| 475 | if ( get_post_type( $post_id ) !== $course_post_type ) { |
| 476 | return false; |
| 477 | } |
| 478 | |
| 479 | do_action( 'tutor_before_delete_course_content', $post_id, 0 ); |
| 480 | |
| 481 | global $wpdb; |
| 482 | |
| 483 | $lesson_post_type = tutor()->lesson_post_type; |
| 484 | $assignment_post_type = tutor()->assignment_post_type; |
| 485 | $quiz_post_type = tutor()->quiz_post_type; |
| 486 | |
| 487 | $topic_ids = $this->get_post_ids( 'topics', $post_id ); |
| 488 | |
| 489 | // Course > Topic > ( Lesson | Quiz | Assignment ). |
| 490 | if ( ! empty( $topic_ids ) ) { |
| 491 | foreach ( $topic_ids as $topic_id ) { |
| 492 | $content_post_type = array( $lesson_post_type, $assignment_post_type, $quiz_post_type ); |
| 493 | $topic_content_ids = $this->get_post_ids( $content_post_type, $topic_id ); |
| 494 | |
| 495 | foreach ( $topic_content_ids as $content_id ) { |
| 496 | /** |
| 497 | * Delete Quiz data |
| 498 | */ |
| 499 | if ( get_post_type( $content_id ) === 'tutor_quiz' ) { |
| 500 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempts', array( 'quiz_id' => $content_id ) ); |
| 501 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_attempt_answers', array( 'quiz_id' => $content_id ) ); |
| 502 | |
| 503 | do_action( 'tutor_before_delete_quiz_content', $content_id, null ); |
| 504 | |
| 505 | $questions_ids = $wpdb->get_col( $wpdb->prepare( "SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = %d ", $content_id ) ); |
| 506 | if ( is_array( $questions_ids ) && count( $questions_ids ) ) { |
| 507 | $in_question_ids = "'" . implode( "','", $questions_ids ) . "'"; |
| 508 | //phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 509 | $wpdb->query( "DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) " ); |
| 510 | } |
| 511 | $wpdb->delete( $wpdb->prefix . 'tutor_quiz_questions', array( 'quiz_id' => $content_id ) ); |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Delete assignment data ( Assignments, Assignment Submit, Assignment Evalutation ) |
| 516 | * |
| 517 | * @since 2.0.9 |
| 518 | */ |
| 519 | if ( get_post_type( $content_id ) === $assignment_post_type ) { |
| 520 | QueryHelper::delete_comment_with_meta( |
| 521 | array( |
| 522 | 'comment_type' => 'tutor_assignment', |
| 523 | 'comment_post_ID' => $content_id, |
| 524 | ) |
| 525 | ); |
| 526 | } |
| 527 | |
| 528 | wp_delete_post( $content_id, true ); |
| 529 | |
| 530 | } |
| 531 | |
| 532 | // Delete zoom meeting. |
| 533 | $wpdb->delete( |
| 534 | $wpdb->posts, |
| 535 | array( |
| 536 | 'post_parent' => $topic_id, |
| 537 | 'post_type' => 'tutor_zoom_meeting', |
| 538 | ) |
| 539 | ); |
| 540 | |
| 541 | /** |
| 542 | * Delete Google Meet Record Related to Course Topic |
| 543 | * |
| 544 | * @since 2.1.0 |
| 545 | */ |
| 546 | $wpdb->delete( |
| 547 | $wpdb->posts, |
| 548 | array( |
| 549 | 'post_parent' => $topic_id, |
| 550 | 'post_type' => 'tutor-google-meet', |
| 551 | ) |
| 552 | ); |
| 553 | |
| 554 | wp_delete_post( $topic_id, true ); |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | $child_post_ids = $this->get_post_ids( array( 'tutor_announcements', 'tutor_enrolled', 'tutor_zoom_meeting', 'tutor-google-meet' ), $post_id ); |
| 559 | if ( ! empty( $child_post_ids ) ) { |
| 560 | foreach ( $child_post_ids as $child_post_id ) { |
| 561 | wp_delete_post( $child_post_id, true ); |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * Delete earning, gradebook result, course complete data |
| 567 | * |
| 568 | * @since 2.0.9 |
| 569 | */ |
| 570 | $wpdb->delete( $wpdb->prefix . 'tutor_earnings', array( 'course_id' => $post_id ) ); |
| 571 | $wpdb->delete( $wpdb->prefix . 'tutor_gradebooks_results', array( 'course_id' => $post_id ) ); |
| 572 | $wpdb->delete( |
| 573 | $wpdb->comments, |
| 574 | array( |
| 575 | 'comment_type' => 'course_completed', |
| 576 | 'comment_post_ID' => $post_id, |
| 577 | ) |
| 578 | ); |
| 579 | |
| 580 | /** |
| 581 | * Delete onsite notification record & _tutor_instructor_course_id user meta |
| 582 | * |
| 583 | * @since 2.1.0 |
| 584 | */ |
| 585 | $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}tutor_notifications WHERE post_id=%d AND type IN ('Announcements','Q&A','Enrollments')", $post_id ) ); |
| 586 | $wpdb->delete( |
| 587 | $wpdb->usermeta, |
| 588 | array( |
| 589 | 'meta_key' => '_tutor_instructor_course_id', |
| 590 | 'meta_value' => $post_id, |
| 591 | ) |
| 592 | ); |
| 593 | |
| 594 | /** |
| 595 | * Delete Course rating and review |
| 596 | * |
| 597 | * @since 2.0.9 |
| 598 | */ |
| 599 | QueryHelper::delete_comment_with_meta( |
| 600 | array( |
| 601 | 'comment_type' => 'tutor_course_rating', |
| 602 | 'comment_post_ID' => $post_id, |
| 603 | ) |
| 604 | ); |
| 605 | |
| 606 | /** |
| 607 | * Delete Q&A and its status ( read, replied etc ) |
| 608 | * |
| 609 | * @since 2.0.9 |
| 610 | */ |
| 611 | QueryHelper::delete_comment_with_meta( |
| 612 | array( |
| 613 | 'comment_type' => 'tutor_q_and_a', |
| 614 | 'comment_post_ID' => $post_id, |
| 615 | ) |
| 616 | ); |
| 617 | |
| 618 | /** |
| 619 | * Delete caches |
| 620 | */ |
| 621 | $attempt_cache = new \Tutor\Cache\QuizAttempts(); |
| 622 | if ( $attempt_cache->has_cache() ) { |
| 623 | $attempt_cache->delete_cache(); |
| 624 | } |
| 625 | |
| 626 | return true; |
| 627 | } |
| 628 | |
| 629 | |
| 630 | /** |
| 631 | * Get paid courses |
| 632 | * |
| 633 | * To identify course is connected with any product |
| 634 | * like WC Product or EDD product meta key will be used |
| 635 | * |
| 636 | * @since 2.2.0 |
| 637 | * |
| 638 | * @since 3.0.0 |
| 639 | * |
| 640 | * Meta key removed and default meta query updated |
| 641 | * |
| 642 | * @since 3.0.1 |
| 643 | * Course::COURSE_PRICE_META meta key exists clause added |
| 644 | * |
| 645 | * @param array $args wp_query args. |
| 646 | * |
| 647 | * @return \WP_Query |
| 648 | */ |
| 649 | public static function get_paid_courses( array $args = array() ) { |
| 650 | $current_user = wp_get_current_user(); |
| 651 | |
| 652 | $default_args = array( |
| 653 | 'post_type' => tutor()->course_post_type, |
| 654 | 'posts_per_page' => -1, |
| 655 | 'offset' => 0, |
| 656 | 'post_status' => 'publish', |
| 657 | 'meta_query' => array( |
| 658 | 'relation' => 'AND', |
| 659 | array( |
| 660 | 'key' => Course::COURSE_PRICE_TYPE_META, |
| 661 | 'value' => Course::PRICE_TYPE_SUBSCRIPTION, |
| 662 | 'compare' => '!=', |
| 663 | ), |
| 664 | array( |
| 665 | 'key' => Course::COURSE_PRICE_META, |
| 666 | 'compare' => 'EXISTS', |
| 667 | ), |
| 668 | ), |
| 669 | ); |
| 670 | |
| 671 | // Check if the current user is an admin. |
| 672 | if ( ! current_user_can( 'administrator' ) ) { |
| 673 | $args['author'] = $current_user->ID; |
| 674 | } |
| 675 | |
| 676 | $args = wp_parse_args( $args, $default_args ); |
| 677 | return new \WP_Query( $args ); |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * Check the course is completeable or not |
| 682 | * |
| 683 | * @since 2.4.0 |
| 684 | * |
| 685 | * @param int $course_id course id. |
| 686 | * @param int $user_id user id. |
| 687 | * |
| 688 | * @return boolean |
| 689 | */ |
| 690 | public static function can_complete_course( $course_id, $user_id ) { |
| 691 | $mode = tutor_utils()->get_option( 'course_completion_process' ); |
| 692 | if ( self::MODE_FLEXIBLE === $mode ) { |
| 693 | return true; |
| 694 | } |
| 695 | |
| 696 | if ( self::MODE_STRICT === $mode ) { |
| 697 | $completed_lesson = tutor_utils()->get_completed_lesson_count_by_course( $course_id, $user_id ); |
| 698 | $lesson_count = tutor_utils()->get_lesson_count_by_course( $course_id, $user_id ); |
| 699 | |
| 700 | if ( $completed_lesson < $lesson_count ) { |
| 701 | return false; |
| 702 | } |
| 703 | |
| 704 | $quizzes = array(); |
| 705 | $assignments = array(); |
| 706 | |
| 707 | $course_contents = tutor_utils()->get_course_contents_by_id( $course_id ); |
| 708 | if ( tutor_utils()->count( $course_contents ) ) { |
| 709 | foreach ( $course_contents as $content ) { |
| 710 | if ( 'tutor_quiz' === $content->post_type ) { |
| 711 | $quizzes[] = $content; |
| 712 | } |
| 713 | if ( 'tutor_assignments' === $content->post_type ) { |
| 714 | $assignments[] = $content; |
| 715 | } |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | foreach ( $quizzes as $row ) { |
| 720 | $result = QuizModel::get_quiz_result( $row->ID ); |
| 721 | if ( 'pass' !== $result ) { |
| 722 | return false; |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | if ( tutor()->has_pro ) { |
| 727 | foreach ( $assignments as $row ) { |
| 728 | $result = \TUTOR_ASSIGNMENTS\Assignments::get_assignment_result( $row->ID, $user_id ); |
| 729 | if ( 'pass' !== $result ) { |
| 730 | return false; |
| 731 | } |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | return true; |
| 736 | } |
| 737 | |
| 738 | return false; |
| 739 | } |
| 740 | |
| 741 | /** |
| 742 | * Check a course can be auto complete by an enrolled student. |
| 743 | * |
| 744 | * @since 2.4.0 |
| 745 | * |
| 746 | * @param int $course_id course id. |
| 747 | * @param int $user_id user id. |
| 748 | * |
| 749 | * @return boolean |
| 750 | */ |
| 751 | public static function can_autocomplete_course( $course_id, $user_id ) { |
| 752 | $auto_course_complete_option = (bool) tutor_utils()->get_option( 'auto_course_complete_on_all_lesson_completion' ); |
| 753 | if ( ! $auto_course_complete_option ) { |
| 754 | return false; |
| 755 | } |
| 756 | |
| 757 | $is_course_completed = tutor_utils()->is_completed_course( $course_id, $user_id ); |
| 758 | if ( $is_course_completed ) { |
| 759 | return false; |
| 760 | } |
| 761 | |
| 762 | $course_stats = tutor_utils()->get_course_completed_percent( $course_id, $user_id, true ); |
| 763 | if ( $course_stats['total_count'] && $course_stats['completed_count'] === $course_stats['total_count'] ) { |
| 764 | return self::can_complete_course( $course_id, $user_id ); |
| 765 | } else { |
| 766 | return false; |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Get review progress link when course progress 100% and |
| 772 | * User has pending or fail quiz or assignment |
| 773 | * |
| 774 | * @since 2.4.0 |
| 775 | * |
| 776 | * @param int $course_id course id. |
| 777 | * @param int $user_id user id. |
| 778 | * |
| 779 | * @return string course content permalink. |
| 780 | */ |
| 781 | public static function get_review_progress_link( $course_id, $user_id ) { |
| 782 | $course_progress = tutor_utils()->get_course_completed_percent( $course_id, $user_id, true ); |
| 783 | $completed_percent = (int) $course_progress['completed_percent']; |
| 784 | $course_contents = tutor_utils()->get_course_contents_by_id( $course_id ); |
| 785 | $permalink = ''; |
| 786 | |
| 787 | if ( tutor_utils()->count( $course_contents ) && 100 === $completed_percent ) { |
| 788 | foreach ( $course_contents as $content ) { |
| 789 | if ( 'tutor_quiz' === $content->post_type ) { |
| 790 | $result = QuizModel::get_quiz_result( $content->ID, $user_id ); |
| 791 | if ( 'pass' !== $result ) { |
| 792 | $permalink = get_the_permalink( $content->ID ); |
| 793 | break; |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | if ( tutor()->has_pro && 'tutor_assignments' === $content->post_type ) { |
| 798 | $result = \TUTOR_ASSIGNMENTS\Assignments::get_assignment_result( $content->ID, $user_id ); |
| 799 | if ( 'pass' !== $result ) { |
| 800 | $permalink = get_the_permalink( $content->ID ); |
| 801 | break; |
| 802 | } |
| 803 | } |
| 804 | } |
| 805 | } |
| 806 | |
| 807 | // Fallback link. |
| 808 | if ( empty( $permalink ) ) { |
| 809 | $permalink = tutils()->get_course_first_lesson( $course_id ); |
| 810 | } |
| 811 | |
| 812 | return $permalink; |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * Get course preview image placeholder |
| 817 | * |
| 818 | * @since 3.0.0 |
| 819 | * |
| 820 | * @return string |
| 821 | */ |
| 822 | public static function get_course_preview_image_placeholder() { |
| 823 | return tutor()->url . 'assets/images/placeholder.svg'; |
| 824 | } |
| 825 | |
| 826 | /** |
| 827 | * Retrieve the courses or course bundles that a given coupon code applies to. |
| 828 | * |
| 829 | * This function fetches published courses or course bundles from the database |
| 830 | * based on the specified type. For each course, it retrieves the course prices |
| 831 | * and the course thumbnail URL. If the user has Tutor Pro, it additionally |
| 832 | * retrieves the total number of courses in a course bundle. |
| 833 | * |
| 834 | * @since 3.0.0 |
| 835 | * |
| 836 | * @param string $applies_to The type of items the coupon applies to. Accepts 'specific_courses' |
| 837 | * for individual courses or any other value for course bundles. |
| 838 | * |
| 839 | * @global wpdb $wpdb WordPress database abstraction object. |
| 840 | * |
| 841 | * @return array An array of course objects. Each course object contains: |
| 842 | * - int $id: The ID of the course. |
| 843 | * - string $title: The title of the course. |
| 844 | * - string $type: The post type of the course (e.g., 'courses', 'course-bundle'). |
| 845 | * - float $price: The regular price of the course. |
| 846 | * - float $sale_price: The sale price of the course. |
| 847 | * - string $image: The URL of the course's thumbnail image. |
| 848 | * - int|null $total_courses: The total number of courses in the bundle |
| 849 | * (only if the user has Tutor Pro and the course type is 'course-bundle'). |
| 850 | */ |
| 851 | public function get_coupon_applies_to_courses( string $applies_to ) { |
| 852 | global $wpdb; |
| 853 | |
| 854 | $post_type = 'specific_courses' === $applies_to ? 'courses' : 'course-bundle'; |
| 855 | |
| 856 | $where = array( |
| 857 | 'post_status' => 'publish', |
| 858 | 'post_type' => $post_type, |
| 859 | ); |
| 860 | |
| 861 | $courses = QueryHelper::get_all( $wpdb->posts, $where, 'ID' ); |
| 862 | |
| 863 | if ( tutor()->has_pro ) { |
| 864 | $bundle_model = new \TutorPro\CourseBundle\Models\BundleModel(); |
| 865 | } |
| 866 | |
| 867 | $final_data = array(); |
| 868 | |
| 869 | if ( ! empty( $courses ) ) { |
| 870 | foreach ( $courses as $course ) { |
| 871 | $data = new \stdClass(); |
| 872 | |
| 873 | if ( tutor()->has_pro && 'course-bundle' === $course->type ) { |
| 874 | $data->total_courses = count( $bundle_model->get_bundle_course_ids( $course->ID ) ); |
| 875 | } |
| 876 | |
| 877 | $author_name = get_the_author_meta( 'display_name', $course->post_author ); |
| 878 | $course_prices = tutor_utils()->get_raw_course_price( $course->ID ); |
| 879 | $data->id = (int) $course->ID; |
| 880 | $data->title = $course->post_title; |
| 881 | $data->price = $course_prices->regular_price; |
| 882 | $data->sale_price = $course_prices->sale_price; |
| 883 | $data->image = get_the_post_thumbnail_url( $course->ID ); |
| 884 | $data->author = $author_name; |
| 885 | |
| 886 | $final_data[] = $data; |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | return ! empty( $final_data ) ? $final_data : array(); |
| 891 | } |
| 892 | |
| 893 | /** |
| 894 | * Get course instructor IDs. |
| 895 | * |
| 896 | * @since 3.0.0 |
| 897 | * |
| 898 | * @param int $course_id course id. |
| 899 | * |
| 900 | * @return array |
| 901 | */ |
| 902 | public static function get_course_instructor_ids( $course_id ) { |
| 903 | global $wpdb; |
| 904 | $instructor_ids = $wpdb->get_col( |
| 905 | $wpdb->prepare( |
| 906 | "SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key=%s AND meta_value=%s", |
| 907 | '_tutor_instructor_course_id', |
| 908 | $course_id |
| 909 | ) |
| 910 | ); |
| 911 | |
| 912 | return $instructor_ids; |
| 913 | } |
| 914 | |
| 915 | /** |
| 916 | * Check tax collection is enabled for single purchase course/bundle |
| 917 | * |
| 918 | * @since 3.7.0 |
| 919 | * |
| 920 | * @param int $post_id course or bundle id. |
| 921 | * |
| 922 | * @return boolean |
| 923 | */ |
| 924 | public static function is_tax_enabled_for_single_purchase( $post_id ) { |
| 925 | if ( ! Tax::is_individual_control_enabled() ) { |
| 926 | return true; |
| 927 | } |
| 928 | |
| 929 | $data = get_post_meta( $post_id, Course::TAX_ON_SINGLE_META, true ); |
| 930 | return ( '1' === $data || '' === $data ); |
| 931 | } |
| 932 | |
| 933 | /** |
| 934 | * Count total attachments available in all courses or specific |
| 935 | * |
| 936 | * @since 3.6.0 |
| 937 | * |
| 938 | * @param int|array $course_id Course id or array of ids, to get course's attachment. |
| 939 | * |
| 940 | * @return int |
| 941 | */ |
| 942 | public static function count_attachment( $course_id = 0 ) { |
| 943 | global $wpdb; |
| 944 | |
| 945 | $total_count = 0; |
| 946 | |
| 947 | $primary_table = "$wpdb->posts p"; |
| 948 | $joining_tables = array( |
| 949 | array( |
| 950 | 'type' => 'INNER', |
| 951 | 'table' => "{$wpdb->postmeta} pm", |
| 952 | 'on' => "p.ID = pm.post_id AND pm.meta_key = '_tutor_attachments' AND pm.meta_value != 'a:0:{}'", |
| 953 | ), |
| 954 | ); |
| 955 | |
| 956 | // Prepare query. |
| 957 | $select = array( 'pm.meta_value' ); |
| 958 | $where = array(); |
| 959 | if ( $course_id ) { |
| 960 | $where['p.ID'] = is_array( $course_id ) ? array( 'IN', $course_id ) : $course_id; |
| 961 | } |
| 962 | |
| 963 | $search = array(); |
| 964 | $limit = 0; // Get all. |
| 965 | $offset = 0; |
| 966 | $order_by = ''; |
| 967 | |
| 968 | $results = QueryHelper::get_joined_data( |
| 969 | $primary_table, |
| 970 | $joining_tables, |
| 971 | $select, |
| 972 | $where, |
| 973 | $search, |
| 974 | $order_by, |
| 975 | $limit, |
| 976 | $offset |
| 977 | )['results']; |
| 978 | |
| 979 | if ( $results ) { |
| 980 | foreach ( $results as $row ) { |
| 981 | $attachment_ids = maybe_unserialize( $row->meta_value ); |
| 982 | if ( ! is_array( $attachment_ids ) || empty( $attachment_ids ) ) { |
| 983 | continue; |
| 984 | } |
| 985 | |
| 986 | $attachments = get_posts( |
| 987 | array( |
| 988 | 'post_type' => 'attachment', |
| 989 | 'post__in' => $attachment_ids, |
| 990 | 'posts_per_page' => -1, |
| 991 | ) |
| 992 | ); |
| 993 | |
| 994 | $total_count += count( $attachments ); |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | return $total_count; |
| 999 | } |
| 1000 | |
| 1001 | /** |
| 1002 | * Count total questions available in all or specific courses |
| 1003 | * |
| 1004 | * @since 3.7.1 |
| 1005 | * |
| 1006 | * @param int|array $course_id Course id or array of ids, to get course's attachment. |
| 1007 | * |
| 1008 | * @return int |
| 1009 | */ |
| 1010 | public static function count_questions( $course_id = 0 ) { |
| 1011 | global $wpdb; |
| 1012 | |
| 1013 | $total_count = 0; |
| 1014 | $quiz_post_type = tutor()->quiz_post_type; |
| 1015 | $topic_post_type = tutor()->topics_post_type; |
| 1016 | $course_post_type = tutor()->course_post_type; |
| 1017 | |
| 1018 | $primary_table = "{$wpdb->prefix}tutor_quiz_questions question"; |
| 1019 | |
| 1020 | $joining_tables = array( |
| 1021 | array( |
| 1022 | 'type' => 'INNER', |
| 1023 | 'table' => "{$wpdb->posts} q", |
| 1024 | 'on' => "q.ID = question.quiz_id AND q.post_type='{$quiz_post_type}'", |
| 1025 | ), |
| 1026 | array( |
| 1027 | 'type' => 'INNER', |
| 1028 | 'table' => "{$wpdb->posts} t", |
| 1029 | 'on' => "q.post_parent = t.ID AND t.post_type='{$topic_post_type}'", |
| 1030 | ), |
| 1031 | array( |
| 1032 | 'type' => 'INNER', |
| 1033 | 'table' => "{$wpdb->posts} c", |
| 1034 | 'on' => "c.ID = t.post_parent AND c.post_type='{$course_post_type}'", |
| 1035 | ), |
| 1036 | ); |
| 1037 | |
| 1038 | // Prepare query. |
| 1039 | $where = array(); |
| 1040 | if ( $course_id ) { |
| 1041 | $where['c.ID'] = is_array( $course_id ) ? array( 'IN', $course_id ) : $course_id; |
| 1042 | } |
| 1043 | |
| 1044 | $search = array(); |
| 1045 | |
| 1046 | $total_count = QueryHelper::get_joined_count( |
| 1047 | $primary_table, |
| 1048 | $joining_tables, |
| 1049 | $where, |
| 1050 | $search, |
| 1051 | '*' |
| 1052 | ); |
| 1053 | |
| 1054 | return $total_count; |
| 1055 | } |
| 1056 | |
| 1057 | /** |
| 1058 | * Count course content |
| 1059 | * |
| 1060 | * @since 3.6.0 |
| 1061 | * |
| 1062 | * @param string $content_type Content type. |
| 1063 | * @param array $course_ids Course ids. |
| 1064 | * |
| 1065 | * @return int |
| 1066 | */ |
| 1067 | public static function count_course_content( string $content_type, array $course_ids = array() ): int { |
| 1068 | $total_count = 0; |
| 1069 | switch ( $content_type ) { |
| 1070 | case tutor()->lesson_post_type: |
| 1071 | $total_count = tutor_utils()->get_total_lesson( $course_ids ); |
| 1072 | break; |
| 1073 | case tutor()->quiz_post_type: |
| 1074 | $total_count = tutor_utils()->get_total_quiz( $course_ids ); |
| 1075 | break; |
| 1076 | case tutor()->assignment_post_type: |
| 1077 | if ( tutor_utils()->is_addon_enabled( 'tutor-assignments' ) ) { |
| 1078 | $total_count = ( new Assignments( false ) )->get_total_assignment( $course_ids ); |
| 1079 | } |
| 1080 | break; |
| 1081 | case 'attachments': |
| 1082 | $total_count = self::count_attachment( $course_ids ); |
| 1083 | break; |
| 1084 | case 'questions': |
| 1085 | $total_count = self::count_questions( $course_ids ); |
| 1086 | break; |
| 1087 | default: |
| 1088 | break; |
| 1089 | } |
| 1090 | |
| 1091 | return (int) $total_count; |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * Get course dropdown options |
| 1096 | * |
| 1097 | * @since 3.7.0 |
| 1098 | * |
| 1099 | * @return array |
| 1100 | */ |
| 1101 | public static function get_course_dropdown_options() { |
| 1102 | $course_options = array( |
| 1103 | array( |
| 1104 | 'key' => '', |
| 1105 | 'title' => __( 'All Courses', 'tutor' ), |
| 1106 | ), |
| 1107 | ); |
| 1108 | |
| 1109 | $courses = current_user_can( 'administrator' ) ? self::get_courses() : self::get_courses_by_instructor(); |
| 1110 | if ( ! empty( $courses ) ) { |
| 1111 | foreach ( $courses as $course ) { |
| 1112 | $course_options[] = array( |
| 1113 | 'key' => $course->ID, |
| 1114 | 'title' => $course->post_title, |
| 1115 | ); |
| 1116 | } |
| 1117 | } |
| 1118 | |
| 1119 | return $course_options; |
| 1120 | } |
| 1121 | |
| 1122 | /** |
| 1123 | * Get category dropdown options |
| 1124 | * |
| 1125 | * @since 3.7.0 |
| 1126 | * |
| 1127 | * @return array |
| 1128 | */ |
| 1129 | public static function get_category_dropdown_options() { |
| 1130 | $category_options = array( |
| 1131 | array( |
| 1132 | 'key' => '', |
| 1133 | 'title' => __( 'All Categories', 'tutor' ), |
| 1134 | ), |
| 1135 | ); |
| 1136 | |
| 1137 | $categories = get_terms( |
| 1138 | array( |
| 1139 | 'taxonomy' => self::COURSE_CATEGORY, |
| 1140 | 'orderby' => 'term_id', |
| 1141 | 'order' => 'DESC', |
| 1142 | ) |
| 1143 | ); |
| 1144 | if ( ! is_wp_error( $categories ) && ! empty( $categories ) ) { |
| 1145 | foreach ( $categories as $category ) { |
| 1146 | $category_options[] = array( |
| 1147 | 'key' => $category->slug, |
| 1148 | 'title' => $category->name, |
| 1149 | ); |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | return $category_options; |
| 1154 | } |
| 1155 | } |
| 1156 |