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Course_List.php
549 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Manage Course List |
| 4 | * |
| 5 | * @package Tutor |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 2.0.0 |
| 9 | */ |
| 10 | |
| 11 | namespace TUTOR; |
| 12 | |
| 13 | use Tutor\Helpers\QueryHelper; |
| 14 | use Tutor\Models\CourseModel; |
| 15 | |
| 16 | if ( ! defined( 'ABSPATH' ) ) { |
| 17 | exit; |
| 18 | } |
| 19 | /** |
| 20 | * Course List class |
| 21 | * |
| 22 | * @since 2.0.0 |
| 23 | */ |
| 24 | class Course_List { |
| 25 | /** |
| 26 | * Trait for utilities |
| 27 | * |
| 28 | * @var $page_title |
| 29 | */ |
| 30 | |
| 31 | use Backend_Page_Trait; |
| 32 | |
| 33 | /** |
| 34 | * Bulk Action |
| 35 | * |
| 36 | * @var $bulk_action |
| 37 | */ |
| 38 | public $bulk_action = true; |
| 39 | |
| 40 | /** |
| 41 | * Constructor |
| 42 | * |
| 43 | * @return void |
| 44 | * @since 2.0.0 |
| 45 | */ |
| 46 | public function __construct() { |
| 47 | /** |
| 48 | * Handle bulk action |
| 49 | * |
| 50 | * @since v2.0.0 |
| 51 | */ |
| 52 | add_action( 'wp_ajax_tutor_course_list_bulk_action', array( $this, 'course_list_bulk_action' ) ); |
| 53 | /** |
| 54 | * Handle ajax request for updating course status |
| 55 | * |
| 56 | * @since v2.0.0 |
| 57 | */ |
| 58 | add_action( 'wp_ajax_tutor_change_course_status', array( $this, 'tutor_change_course_status' ) ); |
| 59 | /** |
| 60 | * Handle ajax request for delete course |
| 61 | * |
| 62 | * @since v2.0.0 |
| 63 | */ |
| 64 | add_action( 'wp_ajax_tutor_course_delete', array( $this, 'tutor_course_delete' ) ); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Page title fallback |
| 69 | * |
| 70 | * @since 3.5.0 |
| 71 | * |
| 72 | * @param string $name Property name. |
| 73 | * |
| 74 | * @return string |
| 75 | */ |
| 76 | public function __get( $name ) { |
| 77 | if ( 'page_title' === $name ) { |
| 78 | return esc_html__( 'Courses', 'tutor' ); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Prepare bulk actions that will show on dropdown options |
| 84 | * |
| 85 | * @return array |
| 86 | * @since 2.0.0 |
| 87 | */ |
| 88 | public function prepare_bulk_actions(): array { |
| 89 | $actions = array( |
| 90 | $this->bulk_action_default(), |
| 91 | $this->bulk_action_publish(), |
| 92 | $this->bulk_action_pending(), |
| 93 | $this->bulk_action_draft(), |
| 94 | ); |
| 95 | |
| 96 | $active_tab = Input::get( 'data', '' ); |
| 97 | |
| 98 | if ( 'trash' === $active_tab ) { |
| 99 | array_push( $actions, $this->bulk_action_delete() ); |
| 100 | } |
| 101 | if ( 'trash' !== $active_tab ) { |
| 102 | array_push( $actions, $this->bulk_action_trash() ); |
| 103 | } |
| 104 | |
| 105 | if ( ! current_user_can( 'administrator' ) ) { |
| 106 | $can_trash_post = tutor_utils()->get_option( 'instructor_can_delete_course' ) && current_user_can( 'edit_tutor_course' ); |
| 107 | if ( ! $can_trash_post ) { |
| 108 | $actions = array_filter( |
| 109 | $actions, |
| 110 | function ( $val ) { |
| 111 | return 'trash' !== $val['value']; |
| 112 | } |
| 113 | ); |
| 114 | } |
| 115 | } |
| 116 | return apply_filters( 'tutor_course_bulk_actions', $actions ); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Available tabs that will visible on the right side of page navbar |
| 121 | * |
| 122 | * @param string $category_slug category slug. |
| 123 | * @param integer $course_id course ID. |
| 124 | * @param string $date selected date | optional. |
| 125 | * @param string $search search by user name or email | optional. |
| 126 | * |
| 127 | * @return array |
| 128 | * |
| 129 | * @since v2.0.0 |
| 130 | */ |
| 131 | public function tabs_key_value( $category_slug, $course_id, $date, $search ): array { |
| 132 | $url = apply_filters( 'tutor_data_tab_base_url', get_pagenum_link() ); |
| 133 | |
| 134 | $all = self::count_course( 'all', $category_slug, $course_id, $date, $search ); |
| 135 | $mine = self::count_course( 'mine', $category_slug, $course_id, $date, $search ); |
| 136 | $published = self::count_course( 'publish', $category_slug, $course_id, $date, $search ); |
| 137 | $draft = self::count_course( 'draft', $category_slug, $course_id, $date, $search ); |
| 138 | $pending = self::count_course( 'pending', $category_slug, $course_id, $date, $search ); |
| 139 | $trash = self::count_course( 'trash', $category_slug, $course_id, $date, $search ); |
| 140 | $private = self::count_course( 'private', $category_slug, $course_id, $date, $search ); |
| 141 | $future = self::count_course( 'future', $category_slug, $course_id, $date, $search ); |
| 142 | |
| 143 | $tabs = array( |
| 144 | array( |
| 145 | 'key' => '', |
| 146 | 'title' => __( 'All', 'tutor' ), |
| 147 | 'value' => $all, |
| 148 | 'url' => $url . '&data=all', |
| 149 | ), |
| 150 | array( |
| 151 | 'key' => 'mine', |
| 152 | 'title' => __( 'Mine', 'tutor' ), |
| 153 | 'value' => $mine, |
| 154 | 'url' => $url . '&data=mine', |
| 155 | ), |
| 156 | array( |
| 157 | 'key' => 'published', |
| 158 | 'title' => __( 'Published', 'tutor' ), |
| 159 | 'value' => $published, |
| 160 | 'url' => $url . '&data=published', |
| 161 | ), |
| 162 | array( |
| 163 | 'key' => 'draft', |
| 164 | 'title' => __( 'Draft', 'tutor' ), |
| 165 | 'value' => $draft, |
| 166 | 'url' => $url . '&data=draft', |
| 167 | ), |
| 168 | array( |
| 169 | 'key' => 'pending', |
| 170 | 'title' => __( 'Pending', 'tutor' ), |
| 171 | 'value' => $pending, |
| 172 | 'url' => $url . '&data=pending', |
| 173 | ), |
| 174 | array( |
| 175 | 'key' => 'future', |
| 176 | 'title' => __( 'Scheduled', 'tutor' ), |
| 177 | 'value' => $future, |
| 178 | 'url' => $url . '&data=future', |
| 179 | ), |
| 180 | array( |
| 181 | 'key' => 'private', |
| 182 | 'title' => __( 'Private', 'tutor' ), |
| 183 | 'value' => $private, |
| 184 | 'url' => $url . '&data=private', |
| 185 | ), |
| 186 | array( |
| 187 | 'key' => 'trash', |
| 188 | 'title' => __( 'Trash', 'tutor' ), |
| 189 | 'value' => $trash, |
| 190 | 'url' => $url . '&data=trash', |
| 191 | ), |
| 192 | ); |
| 193 | if ( ! tutor_utils()->get_option( 'instructor_can_delete_course' ) && ! current_user_can( 'administrator' ) ) { |
| 194 | unset( $tabs[7] ); |
| 195 | } |
| 196 | return apply_filters( 'tutor_course_tabs', $tabs ); |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Count courses by status & filters |
| 201 | * Count all | min | published | pending | draft |
| 202 | * |
| 203 | * @param string $status | required. |
| 204 | * @param string $category_slug course category | optional. |
| 205 | * @param string $course_id selected course id | optional. |
| 206 | * @param string $date selected date | optional. |
| 207 | * @param string $search_term search by user name or email | optional. |
| 208 | * |
| 209 | * @return int |
| 210 | * |
| 211 | * @since 2.0.0 |
| 212 | */ |
| 213 | protected static function count_course( string $status, $category_slug = '', $course_id = '', $date = '', $search_term = '' ): int { |
| 214 | $user_id = get_current_user_id(); |
| 215 | $status = sanitize_text_field( $status ); |
| 216 | $course_id = sanitize_text_field( $course_id ); |
| 217 | $date = sanitize_text_field( $date ); |
| 218 | $search_term = sanitize_text_field( $search_term ); |
| 219 | $category_slug = sanitize_text_field( $category_slug ); |
| 220 | |
| 221 | $args = array( |
| 222 | 'post_type' => tutor()->course_post_type, |
| 223 | ); |
| 224 | |
| 225 | if ( 'all' === $status || 'mine' === $status ) { |
| 226 | $args['post_status'] = array( 'publish', 'pending', 'draft', 'private', 'future' ); |
| 227 | } else { |
| 228 | $args['post_status'] = array( $status ); |
| 229 | } |
| 230 | |
| 231 | // Author query. |
| 232 | if ( 'mine' === $status || ! current_user_can( 'administrator' ) ) { |
| 233 | $args['author'] = $user_id; |
| 234 | } |
| 235 | |
| 236 | $date_filter = sanitize_text_field( $date ); |
| 237 | |
| 238 | $year = date( 'Y', strtotime( $date_filter ) ); |
| 239 | $month = date( 'm', strtotime( $date_filter ) ); |
| 240 | $day = date( 'd', strtotime( $date_filter ) ); |
| 241 | |
| 242 | // Add date query. |
| 243 | if ( '' !== $date_filter ) { |
| 244 | $args['date_query'] = array( |
| 245 | array( |
| 246 | 'year' => $year, |
| 247 | 'month' => $month, |
| 248 | 'day' => $day, |
| 249 | ), |
| 250 | ); |
| 251 | } |
| 252 | |
| 253 | if ( '' !== $course_id ) { |
| 254 | $args['p'] = $course_id; |
| 255 | } |
| 256 | |
| 257 | // Search filter. |
| 258 | if ( '' !== $search_term ) { |
| 259 | $args['s'] = $search_term; |
| 260 | } |
| 261 | |
| 262 | // Category filter. |
| 263 | if ( '' !== $category_slug ) { |
| 264 | $args['tax_query'] = array( |
| 265 | array( |
| 266 | 'taxonomy' => CourseModel::COURSE_CATEGORY, |
| 267 | 'field' => 'slug', |
| 268 | 'terms' => $category_slug, |
| 269 | ), |
| 270 | ); |
| 271 | } |
| 272 | |
| 273 | $the_query = self::course_list_query( $args, $user_id, $status ); |
| 274 | |
| 275 | return ! is_null( $the_query ) && isset( $the_query->found_posts ) ? $the_query->found_posts : $the_query; |
| 276 | |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Handle bulk action for enrollment cancel | delete |
| 281 | * |
| 282 | * @return void |
| 283 | * @since 2.0.0 |
| 284 | */ |
| 285 | public function course_list_bulk_action() { |
| 286 | |
| 287 | tutor_utils()->checking_nonce(); |
| 288 | |
| 289 | $action = Input::post( 'bulk-action', '' ); |
| 290 | $bulk_ids = Input::post( 'bulk-ids', '' ); |
| 291 | |
| 292 | // Check if user is privileged. |
| 293 | if ( ! current_user_can( 'administrator' ) ) { |
| 294 | if ( current_user_can( 'edit_tutor_course' ) ) { |
| 295 | $can_publish_course = tutor_utils()->get_option( 'instructor_can_publish_course' ); |
| 296 | |
| 297 | if ( 'publish' === $action && ! $can_publish_course ) { |
| 298 | wp_send_json_error( tutor_utils()->error_message() ); |
| 299 | } |
| 300 | } else { |
| 301 | wp_send_json_error( tutor_utils()->error_message() ); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | if ( '' === $action || '' === $bulk_ids ) { |
| 306 | wp_send_json_error( array( 'message' => __( 'Please select appropriate action', 'tutor' ) ) ); |
| 307 | exit; |
| 308 | } |
| 309 | |
| 310 | if ( 'delete' === $action ) { |
| 311 | // Do action before delete. |
| 312 | do_action( 'before_tutor_course_bulk_action_delete', $bulk_ids ); |
| 313 | |
| 314 | $delete_courses = self::bulk_delete_course( $bulk_ids ); |
| 315 | |
| 316 | do_action( 'after_tutor_course_bulk_action_delete', $bulk_ids ); |
| 317 | $delete_courses ? wp_send_json_success() : wp_send_json_error( array( 'message' => __( 'Could not delete selected courses', 'tutor' ) ) ); |
| 318 | exit; |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Do action before course update |
| 323 | * |
| 324 | * @param string $action (publish | pending | draft | trash). |
| 325 | * @param array $bulk_ids, course id. |
| 326 | */ |
| 327 | do_action( 'before_tutor_course_bulk_action_update', $action, $bulk_ids ); |
| 328 | |
| 329 | $update_status = self::update_course_status( $action, $bulk_ids ); |
| 330 | |
| 331 | do_action( 'after_tutor_course_bulk_action_update', $action, $bulk_ids ); |
| 332 | |
| 333 | $update_status ? wp_send_json_success() : wp_send_json_error( array( 'message' => __( 'Could not update course status', 'tutor' ) ) ); |
| 334 | |
| 335 | exit; |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * Handle ajax request for updating course status |
| 340 | * |
| 341 | * @return void |
| 342 | * @since 2.0.0 |
| 343 | */ |
| 344 | public static function tutor_change_course_status() { |
| 345 | tutor_utils()->checking_nonce(); |
| 346 | |
| 347 | $status = Input::post( 'status' ); |
| 348 | $id = Input::post( 'id' ); |
| 349 | $course = get_post( $id ); |
| 350 | |
| 351 | // Check if user is privileged. |
| 352 | if ( ! current_user_can( 'administrator' ) ) { |
| 353 | |
| 354 | if ( ! tutor_utils()->can_user_edit_course( get_current_user_id(), $course->ID ) ) { |
| 355 | wp_send_json_error( tutor_utils()->error_message() ); |
| 356 | } |
| 357 | |
| 358 | $can_delete_course = tutor_utils()->get_option( 'instructor_can_delete_course' ); |
| 359 | $can_publish_course = tutor_utils()->get_option( 'instructor_can_publish_course' ); |
| 360 | |
| 361 | if ( 'publish' === $status && ! $can_publish_course ) { |
| 362 | wp_send_json_error( tutor_utils()->error_message() ); |
| 363 | } |
| 364 | |
| 365 | if ( 'trash' === $status && $can_delete_course ) { |
| 366 | $args = array( |
| 367 | 'ID' => $id, |
| 368 | 'post_status' => $status, |
| 369 | ); |
| 370 | $trash_post = wp_update_post( $args ); |
| 371 | |
| 372 | if ( $trash_post ) { |
| 373 | wp_send_json_success( __( 'Course trashed successfully', 'tutor' ) ); |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | if ( ! CourseModel::get_post_types( $course ) ) { |
| 379 | wp_send_json_error( tutor_utils()->error_message() ); |
| 380 | } |
| 381 | |
| 382 | $args = array( |
| 383 | 'ID' => $id, |
| 384 | 'post_status' => $status, |
| 385 | ); |
| 386 | |
| 387 | if ( CourseModel::STATUS_FUTURE === $course->post_status && CourseModel::STATUS_PUBLISH === $status ) { |
| 388 | $args['post_status'] = CourseModel::STATUS_PUBLISH; |
| 389 | $args['post_date'] = current_time( 'mysql' ); |
| 390 | $args['post_date_gmt'] = current_time( 'mysql', 1 ); |
| 391 | } |
| 392 | |
| 393 | wp_update_post( $args ); |
| 394 | wp_send_json_success(); |
| 395 | exit; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Handle ajax request for deleting course |
| 400 | * |
| 401 | * @since 2.0.0 |
| 402 | * |
| 403 | * @return void JSON response |
| 404 | */ |
| 405 | public static function tutor_course_delete() { |
| 406 | tutor_utils()->checking_nonce(); |
| 407 | |
| 408 | $user_id = get_current_user_id(); |
| 409 | $course_id = Input::post( 'id', 0, Input::TYPE_INT ); |
| 410 | |
| 411 | // Check if user is privileged. |
| 412 | if ( ! tutor_utils()->can_user_edit_course( $user_id, $course_id ) ) { |
| 413 | wp_send_json_error( tutor_utils()->error_message() ); |
| 414 | } |
| 415 | |
| 416 | $delete = CourseModel::delete_course( $course_id ); |
| 417 | |
| 418 | if ( $delete ) { |
| 419 | wp_send_json_success( __( 'Course has been deleted ', 'tutor' ) ); |
| 420 | } else { |
| 421 | wp_send_json_error( __( 'Course delete failed ', 'tutor' ) ); |
| 422 | } |
| 423 | |
| 424 | exit; |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * Execute bulk delete action |
| 429 | * |
| 430 | * @param string $bulk_ids ids that need to update. |
| 431 | * @return bool |
| 432 | * @since 2.0.0 |
| 433 | */ |
| 434 | public static function bulk_delete_course( $bulk_ids ): bool { |
| 435 | $bulk_ids = explode( ',', sanitize_text_field( $bulk_ids ) ); |
| 436 | |
| 437 | foreach ( $bulk_ids as $post_id ) { |
| 438 | CourseModel::delete_course( $post_id ); |
| 439 | } |
| 440 | |
| 441 | return true; |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * Update course status |
| 446 | * |
| 447 | * @param string $status for updating course status. |
| 448 | * @param string $bulk_ids comma separated ids. |
| 449 | * |
| 450 | * @return bool |
| 451 | * |
| 452 | * @since 2.0.0 |
| 453 | */ |
| 454 | public static function update_course_status( string $status, $bulk_ids ): bool { |
| 455 | global $wpdb; |
| 456 | $post_table = $wpdb->posts; |
| 457 | $status = sanitize_text_field( $status ); |
| 458 | $bulk_ids = sanitize_text_field( $bulk_ids ); |
| 459 | |
| 460 | $ids = array_map( 'intval', explode( ',', $bulk_ids ) ); |
| 461 | $in_clause = QueryHelper::prepare_in_clause( $ids ); |
| 462 | |
| 463 | $update = $wpdb->query( |
| 464 | $wpdb->prepare( |
| 465 | "UPDATE {$post_table} SET post_status = %s WHERE ID IN ($in_clause)", //phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 466 | $status |
| 467 | ) |
| 468 | ); |
| 469 | |
| 470 | return true; |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Get course enrollment list with student info |
| 475 | * |
| 476 | * @param int $course_id int | required. |
| 477 | * @return array |
| 478 | * @since 2.0.0 |
| 479 | */ |
| 480 | public static function course_enrollments_with_student_details( int $course_id ) { |
| 481 | global $wpdb; |
| 482 | $course_id = sanitize_text_field( $course_id ); |
| 483 | $course_completed = 0; |
| 484 | $course_inprogress = 0; |
| 485 | |
| 486 | $enrollments = $wpdb->get_results( |
| 487 | $wpdb->prepare( |
| 488 | "SELECT enroll.ID AS enroll_id, enroll.post_author AS enroll_author, user.*, course.ID AS course_id |
| 489 | FROM {$wpdb->posts} AS enroll |
| 490 | LEFT JOIN {$wpdb->users} AS user ON user.ID = enroll.post_author |
| 491 | LEFT JOIN {$wpdb->posts} AS course ON course.ID = enroll.post_parent |
| 492 | WHERE enroll.post_type = %s |
| 493 | AND enroll.post_status = %s |
| 494 | AND enroll.post_parent = %d |
| 495 | ", |
| 496 | 'tutor_enrolled', |
| 497 | 'completed', |
| 498 | $course_id |
| 499 | ) |
| 500 | ); |
| 501 | |
| 502 | foreach ( $enrollments as $enrollment ) { |
| 503 | $course_progress = tutor_utils()->get_course_completed_percent( $course_id, $enrollment->enroll_author ); |
| 504 | if ( 100 == $course_progress ) { |
| 505 | $course_completed++; |
| 506 | } else { |
| 507 | $course_inprogress++; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | return array( |
| 512 | 'enrollments' => $enrollments, |
| 513 | 'total_completed' => $course_completed, |
| 514 | 'total_inprogress' => $course_inprogress, |
| 515 | 'total_enrollments' => count( $enrollments ), |
| 516 | ); |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Check wheather course is public or not |
| 521 | * |
| 522 | * @param integer $course_id course id to check with. |
| 523 | * @return boolean true if public otherwise false. |
| 524 | * @since 1.0.0 |
| 525 | */ |
| 526 | public static function is_public( int $course_id ): bool { |
| 527 | $is_public = get_post_meta( $course_id, '_tutor_is_public_course', true ); |
| 528 | return 'yes' === $is_public ? true : false; |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Query for obtaining course list. |
| 533 | * |
| 534 | * @since 3.4.0 |
| 535 | * |
| 536 | * @param array $args the query args. |
| 537 | * @param int $user_id the user id. |
| 538 | * @param string $status the post status. |
| 539 | * @param bool $all_post_types should keep all post types. |
| 540 | * |
| 541 | * @return \WP_Query |
| 542 | */ |
| 543 | public static function course_list_query( $args, $user_id, $status, $all_post_types = false ) { |
| 544 | |
| 545 | $course_list_query = new \WP_Query( apply_filters( 'tutor_admin_course_list', $args, $user_id, $status, $all_post_types ) ); |
| 546 | return $course_list_query; |
| 547 | } |
| 548 | } |
| 549 |