| 1 |
<?php |
| 2 |
|
| 3 |
namespace LearnPress\MCP\Domain; |
| 4 |
|
| 5 |
use LearnPress\MCP\Mappers\ResponseMapper; |
| 6 |
use LearnPress\MCP\Support\Errors; |
| 7 |
use LearnPress\MCP\Support\Pagination; |
| 8 |
use LearnPress\MCP\Support\Permissions; |
| 9 |
use LearnPress\MCP\Support\Sanitizer; |
| 10 |
use LearnPress\MCP\Support\Validator; |
| 11 |
use LearnPress\Filters\Course\CourseJsonFilter; |
| 12 |
use LearnPress\Models\CourseModel; |
| 13 |
use LearnPress\Models\CoursePostModel; |
| 14 |
use LearnPress\Models\Courses; |
| 15 |
use LearnPress\Services\CourseService; |
| 16 |
use LP_Helper; |
| 17 |
use Throwable; |
| 18 |
use WP_Error; |
| 19 |
|
| 20 |
defined( 'ABSPATH' ) || exit; |
| 21 |
|
| 22 |
/** |
| 23 |
* Course create/update/delete executors. |
| 24 |
* |
| 25 |
* Uses LearnPress course models, the CourseService create helper, and standard |
| 26 |
* LearnPress course meta keys. Delete is reversible (trash only). |
| 27 |
*/ |
| 28 |
class CourseTools { |
| 29 |
|
| 30 |
/** |
| 31 |
* Execute `learnpress/create-course`. |
| 32 |
* |
| 33 |
* @param mixed $input Ability input. |
| 34 |
* |
| 35 |
* @return array|WP_Error |
| 36 |
*/ |
| 37 |
public static function create_course( $input ) { |
| 38 |
$args = is_array( $input ) ? $input : array(); |
| 39 |
$title = Sanitizer::text( $args['title'] ?? '' ); |
| 40 |
if ( '' === $title ) { |
| 41 |
return Errors::invalid( __( 'title is required.', 'learnpress' ) ); |
| 42 |
} |
| 43 |
|
| 44 |
if ( ! Permissions::can_create( LP_COURSE_CPT ) ) { |
| 45 |
return Errors::forbidden(); |
| 46 |
} |
| 47 |
|
| 48 |
$status = Validator::status( $args['status'] ?? '' ); |
| 49 |
if ( is_wp_error( $status ) ) { |
| 50 |
return $status; |
| 51 |
} |
| 52 |
|
| 53 |
$terms = self::resolve_terms( $args ); |
| 54 |
if ( is_wp_error( $terms ) ) { |
| 55 |
return $terms; |
| 56 |
} |
| 57 |
|
| 58 |
$thumbnail_id = self::resolve_thumbnail( $args ); |
| 59 |
if ( is_wp_error( $thumbnail_id ) ) { |
| 60 |
return $thumbnail_id; |
| 61 |
} |
| 62 |
|
| 63 |
$instructor_id = absint( $args['instructor_id'] ?? 0 ); |
| 64 |
$author_id = $instructor_id > 0 ? $instructor_id : get_current_user_id(); |
| 65 |
|
| 66 |
$data = array( |
| 67 |
'post_title' => $title, |
| 68 |
'post_content' => Sanitizer::html( $args['description'] ?? '' ), |
| 69 |
'post_excerpt' => Sanitizer::html( $args['excerpt'] ?? '' ), |
| 70 |
'post_status' => '' !== $status ? $status : 'draft', |
| 71 |
'post_author' => $author_id, |
| 72 |
'meta_input' => self::build_meta( $args ), |
| 73 |
); |
| 74 |
|
| 75 |
try { |
| 76 |
$course_post = CourseService::instance()->create_info_main( $data ); |
| 77 |
$course_id = $course_post->get_id(); |
| 78 |
if ( $course_id <= 0 ) { |
| 79 |
return Errors::internal(); |
| 80 |
} |
| 81 |
|
| 82 |
self::apply_terms( $course_id, $terms ); |
| 83 |
if ( $thumbnail_id > 0 ) { |
| 84 |
set_post_thumbnail( $course_id, $thumbnail_id ); |
| 85 |
} |
| 86 |
|
| 87 |
$course = CourseModel::find( $course_id, false ); |
| 88 |
if ( ! $course instanceof CourseModel ) { |
| 89 |
return Errors::internal(); |
| 90 |
} |
| 91 |
|
| 92 |
return array( 'course' => ResponseMapper::course_write_result( $course ) ); |
| 93 |
} catch ( Throwable $e ) { |
| 94 |
return Errors::from_throwable( $e ); |
| 95 |
} |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* Execute `learnpress/update-course`. |
| 100 |
* |
| 101 |
* @param mixed $input Ability input. |
| 102 |
* |
| 103 |
* @return array|WP_Error |
| 104 |
*/ |
| 105 |
public static function update_course( $input ) { |
| 106 |
$args = is_array( $input ) ? $input : array(); |
| 107 |
$course_id = Validator::require_id( $args, 'course_id' ); |
| 108 |
if ( is_wp_error( $course_id ) ) { |
| 109 |
return $course_id; |
| 110 |
} |
| 111 |
|
| 112 |
$course_post = CoursePostModel::find( $course_id, true ); |
| 113 |
if ( ! $course_post instanceof CoursePostModel ) { |
| 114 |
return Errors::not_found( __( 'Course not found.', 'learnpress' ) ); |
| 115 |
} |
| 116 |
|
| 117 |
if ( ! Permissions::can_edit_post( $course_id ) ) { |
| 118 |
return Errors::forbidden(); |
| 119 |
} |
| 120 |
|
| 121 |
$status = Validator::status( $args['status'] ?? '' ); |
| 122 |
if ( is_wp_error( $status ) ) { |
| 123 |
return $status; |
| 124 |
} |
| 125 |
|
| 126 |
$terms = self::resolve_terms( $args ); |
| 127 |
if ( is_wp_error( $terms ) ) { |
| 128 |
return $terms; |
| 129 |
} |
| 130 |
|
| 131 |
$thumbnail_id = self::resolve_thumbnail( $args ); |
| 132 |
if ( is_wp_error( $thumbnail_id ) ) { |
| 133 |
return $thumbnail_id; |
| 134 |
} |
| 135 |
|
| 136 |
try { |
| 137 |
if ( array_key_exists( 'title', $args ) ) { |
| 138 |
$course_post->post_title = Sanitizer::text( $args['title'] ); |
| 139 |
} |
| 140 |
if ( array_key_exists( 'description', $args ) ) { |
| 141 |
$course_post->post_content = Sanitizer::html( $args['description'] ); |
| 142 |
} |
| 143 |
if ( array_key_exists( 'excerpt', $args ) ) { |
| 144 |
$course_post->post_excerpt = Sanitizer::html( $args['excerpt'] ); |
| 145 |
} |
| 146 |
if ( '' !== $status ) { |
| 147 |
$course_post->post_status = $status; |
| 148 |
} |
| 149 |
if ( ! empty( $args['instructor_id'] ) ) { |
| 150 |
$course_post->post_author = absint( $args['instructor_id'] ); |
| 151 |
} |
| 152 |
|
| 153 |
// Stage meta before save() so the synchronous learnpress_courses |
| 154 |
// snapshot (rebuilt on save_post) reflects the new values; otherwise |
| 155 |
// the update response would read stale meta from the old snapshot. |
| 156 |
foreach ( self::build_meta( $args ) as $key => $value ) { |
| 157 |
$course_post->meta_data->{$key} = $value; |
| 158 |
} |
| 159 |
|
| 160 |
$course_post->save(); |
| 161 |
|
| 162 |
self::apply_terms( $course_id, $terms ); |
| 163 |
if ( $thumbnail_id > 0 ) { |
| 164 |
set_post_thumbnail( $course_id, $thumbnail_id ); |
| 165 |
} |
| 166 |
|
| 167 |
$course = CourseModel::find( $course_id, false ); |
| 168 |
if ( ! $course instanceof CourseModel ) { |
| 169 |
return Errors::internal(); |
| 170 |
} |
| 171 |
|
| 172 |
return array( 'course' => ResponseMapper::course_object( $course ) ); |
| 173 |
} catch ( Throwable $e ) { |
| 174 |
return Errors::from_throwable( $e ); |
| 175 |
} |
| 176 |
} |
| 177 |
|
| 178 |
/** |
| 179 |
* Execute `learnpress/delete-course` (reversible trash only). |
| 180 |
* |
| 181 |
* @param mixed $input Ability input. |
| 182 |
* |
| 183 |
* @return array|WP_Error |
| 184 |
*/ |
| 185 |
public static function delete_course( $input ) { |
| 186 |
$args = is_array( $input ) ? $input : array(); |
| 187 |
$course_id = Validator::require_id( $args, 'course_id' ); |
| 188 |
if ( is_wp_error( $course_id ) ) { |
| 189 |
return $course_id; |
| 190 |
} |
| 191 |
|
| 192 |
$course = CourseModel::find( $course_id, true ); |
| 193 |
if ( ! $course instanceof CourseModel ) { |
| 194 |
return Errors::not_found( __( 'Course not found.', 'learnpress' ) ); |
| 195 |
} |
| 196 |
|
| 197 |
if ( ! Permissions::can_delete_post( $course_id ) ) { |
| 198 |
return Errors::forbidden(); |
| 199 |
} |
| 200 |
|
| 201 |
$previous_status = (string) $course->get_status(); |
| 202 |
|
| 203 |
try { |
| 204 |
$trashed = wp_trash_post( $course_id ); |
| 205 |
if ( ! $trashed ) { |
| 206 |
return Errors::internal(); |
| 207 |
} |
| 208 |
|
| 209 |
return array( |
| 210 |
'trashed' => true, |
| 211 |
'course_id' => $course_id, |
| 212 |
'previous_status' => $previous_status, |
| 213 |
'recovery' => array( |
| 214 |
'title' => (string) $course->get_title(), |
| 215 |
'previous_status' => $previous_status, |
| 216 |
'note' => __( 'Course moved to trash. Restore from WP admin to recover.', 'learnpress' ), |
| 217 |
), |
| 218 |
); |
| 219 |
} catch ( Throwable $e ) { |
| 220 |
return Errors::from_throwable( $e ); |
| 221 |
} |
| 222 |
} |
| 223 |
|
| 224 |
/** |
| 225 |
* Execute `learnpress/get-courses`. |
| 226 |
* |
| 227 |
* @param mixed $input Ability input. |
| 228 |
* |
| 229 |
* @return array|WP_Error |
| 230 |
*/ |
| 231 |
public static function get_courses( $input ) { |
| 232 |
$args = Sanitizer::input_array( $input, 'learnpress/get-courses' ); |
| 233 |
if ( is_wp_error( $args ) ) { |
| 234 |
return $args; |
| 235 |
} |
| 236 |
|
| 237 |
$page = Pagination::page( $args['page'] ?? 1 ); |
| 238 |
$per_page = Pagination::per_page( $args['per_page'] ?? 10 ); |
| 239 |
$filter = new CourseJsonFilter(); |
| 240 |
$filter->page = $page; |
| 241 |
$filter->limit = $per_page; |
| 242 |
$filter->post_status = Sanitizer::status_list( $args['status'] ?? array( 'publish' ) ); |
| 243 |
if ( empty( $filter->post_status ) ) { |
| 244 |
$filter->post_status = array( 'publish' ); |
| 245 |
} |
| 246 |
|
| 247 |
if ( ! empty( $args['category'] ) ) { |
| 248 |
$filter->term_ids = array( absint( $args['category'] ) ); |
| 249 |
} |
| 250 |
if ( ! empty( $args['instructor'] ) ) { |
| 251 |
$filter->post_author = absint( $args['instructor'] ); |
| 252 |
} |
| 253 |
if ( isset( $args['search'] ) ) { |
| 254 |
$filter->post_title = LP_Helper::sanitize_params_submitted( (string) $args['search'] ); |
| 255 |
} |
| 256 |
|
| 257 |
$price_min = isset( $args['price_min'] ) && is_numeric( $args['price_min'] ) ? (float) $args['price_min'] : null; |
| 258 |
$price_max = isset( $args['price_max'] ) && is_numeric( $args['price_max'] ) ? (float) $args['price_max'] : null; |
| 259 |
if ( null !== $price_min && $price_min < 0 ) { |
| 260 |
return Errors::invalid( __( 'price_min must be greater than or equal to 0.', 'learnpress' ) ); |
| 261 |
} |
| 262 |
if ( null !== $price_max && $price_max < 0 ) { |
| 263 |
return Errors::invalid( __( 'price_max must be greater than or equal to 0.', 'learnpress' ) ); |
| 264 |
} |
| 265 |
if ( null !== $price_min && null !== $price_max && $price_min > $price_max ) { |
| 266 |
return Errors::invalid( __( 'price_min must not be greater than price_max.', 'learnpress' ) ); |
| 267 |
} |
| 268 |
|
| 269 |
global $wpdb; |
| 270 |
if ( null !== $price_min && $wpdb ) { |
| 271 |
$filter->where[] = $wpdb->prepare( 'AND c.price_to_sort >= %f', $price_min ); |
| 272 |
} |
| 273 |
if ( null !== $price_max && $wpdb ) { |
| 274 |
$filter->where[] = $wpdb->prepare( 'AND c.price_to_sort <= %f', $price_max ); |
| 275 |
} |
| 276 |
|
| 277 |
try { |
| 278 |
$total_rows = 0; |
| 279 |
$rows = Courses::get_list_courses( $filter, $total_rows ); |
| 280 |
$rows = is_array( $rows ) ? $rows : array(); |
| 281 |
$items = array(); |
| 282 |
foreach ( $rows as $row ) { |
| 283 |
$course = CourseModel::find( absint( $row->ID ?? 0 ), true ); |
| 284 |
if ( $course instanceof CourseModel ) { |
| 285 |
$items[] = ResponseMapper::course_summary( $course ); |
| 286 |
} |
| 287 |
} |
| 288 |
|
| 289 |
return array( |
| 290 |
'items' => $items, |
| 291 |
'pagination' => array( |
| 292 |
'page' => $page, |
| 293 |
'per_page' => $per_page, |
| 294 |
'total_items' => (int) $total_rows, |
| 295 |
'total_pages' => Pagination::total_pages( (int) $total_rows, $per_page ), |
| 296 |
), |
| 297 |
); |
| 298 |
} catch ( Throwable $e ) { |
| 299 |
return Errors::internal(); |
| 300 |
} |
| 301 |
} |
| 302 |
|
| 303 |
/** |
| 304 |
* Execute `learnpress/get-course-details`. |
| 305 |
* |
| 306 |
* @param mixed $input Ability input. |
| 307 |
* |
| 308 |
* @return array|WP_Error |
| 309 |
*/ |
| 310 |
public static function get_course_details( $input ) { |
| 311 |
$args = Sanitizer::input_array( $input, 'learnpress/get-course-details' ); |
| 312 |
if ( is_wp_error( $args ) ) { |
| 313 |
return $args; |
| 314 |
} |
| 315 |
|
| 316 |
$course_id = Validator::require_id( $args, 'course_id' ); |
| 317 |
if ( is_wp_error( $course_id ) ) { |
| 318 |
return $course_id; |
| 319 |
} |
| 320 |
|
| 321 |
$course = CourseModel::find( $course_id, true ); |
| 322 |
if ( ! $course instanceof CourseModel ) { |
| 323 |
return Errors::not_found( __( 'Course not found.', 'learnpress' ) ); |
| 324 |
} |
| 325 |
|
| 326 |
$sections = array(); |
| 327 |
foreach ( $course->get_section_items() as $section ) { |
| 328 |
$items = array(); |
| 329 |
foreach ( $section->items as $item ) { |
| 330 |
$items[] = array( |
| 331 |
'item_id' => absint( $item->item_id ?? $item->id ?? 0 ), |
| 332 |
'item_type' => (string) ( $item->item_type ?? $item->type ?? '' ), |
| 333 |
'title' => (string) ( $item->title ?? '' ), |
| 334 |
'preview' => ! empty( $item->preview ), |
| 335 |
); |
| 336 |
} |
| 337 |
$sections[] = array( |
| 338 |
'section_id' => absint( $section->section_id ?? $section->id ?? 0 ), |
| 339 |
'section_name' => (string) ( $section->section_name ?? $section->title ?? '' ), |
| 340 |
'section_description' => (string) ( $section->section_description ?? $section->description ?? '' ), |
| 341 |
'items' => $items, |
| 342 |
); |
| 343 |
} |
| 344 |
|
| 345 |
$detail = ResponseMapper::course_summary( $course ); |
| 346 |
$detail['description'] = (string) $course->get_description(); |
| 347 |
// Requirements are stored as an array (repeatable field); return as-is, not cast to "Array". |
| 348 |
$detail['requirements'] = $course->get_meta_value_by_key( CoursePostModel::META_KEY_REQUIREMENTS, '' ); |
| 349 |
$detail['curriculum'] = array( |
| 350 |
'sections' => $sections, |
| 351 |
'items_count' => (int) $course->count_items(), |
| 352 |
); |
| 353 |
|
| 354 |
return array( 'course' => $detail ); |
| 355 |
} |
| 356 |
|
| 357 |
/** |
| 358 |
* Build LearnPress course meta from provided write fields. |
| 359 |
* |
| 360 |
* @param array $args Input args. |
| 361 |
* |
| 362 |
* @return array |
| 363 |
*/ |
| 364 |
protected static function build_meta( array $args ): array { |
| 365 |
$meta = array(); |
| 366 |
|
| 367 |
if ( array_key_exists( 'price', $args ) ) { |
| 368 |
$meta[ CoursePostModel::META_KEY_REGULAR_PRICE ] = (float) $args['price']; |
| 369 |
} |
| 370 |
if ( array_key_exists( 'sale_price', $args ) ) { |
| 371 |
$meta[ CoursePostModel::META_KEY_SALE_PRICE ] = (float) $args['sale_price']; |
| 372 |
} |
| 373 |
if ( array_key_exists( 'duration', $args ) ) { |
| 374 |
$meta[ CoursePostModel::META_KEY_DURATION ] = Sanitizer::text( $args['duration'] ); |
| 375 |
} |
| 376 |
if ( array_key_exists( 'level', $args ) ) { |
| 377 |
$meta[ CoursePostModel::META_KEY_LEVEL ] = Sanitizer::text( $args['level'] ); |
| 378 |
} |
| 379 |
if ( array_key_exists( 'requirements', $args ) && is_array( $args['requirements'] ) ) { |
| 380 |
$meta[ CoursePostModel::META_KEY_REQUIREMENTS ] = array_map( array( Sanitizer::class, 'text' ), $args['requirements'] ); |
| 381 |
} |
| 382 |
if ( array_key_exists( 'target_audiences', $args ) && is_array( $args['target_audiences'] ) ) { |
| 383 |
$meta[ CoursePostModel::META_KEY_TARGET ] = array_map( array( Sanitizer::class, 'text' ), $args['target_audiences'] ); |
| 384 |
} |
| 385 |
if ( array_key_exists( 'features', $args ) && is_array( $args['features'] ) ) { |
| 386 |
$meta[ CoursePostModel::META_KEY_FEATURES ] = array_map( array( Sanitizer::class, 'text' ), $args['features'] ); |
| 387 |
} |
| 388 |
if ( array_key_exists( 'faqs', $args ) && is_array( $args['faqs'] ) ) { |
| 389 |
$faqs = array(); |
| 390 |
foreach ( $args['faqs'] as $faq ) { |
| 391 |
if ( ! is_array( $faq ) ) { |
| 392 |
continue; |
| 393 |
} |
| 394 |
$faqs[] = array( |
| 395 |
'question' => Sanitizer::text( $faq['question'] ?? '' ), |
| 396 |
'answer' => Sanitizer::html( $faq['answer'] ?? '' ), |
| 397 |
); |
| 398 |
} |
| 399 |
$meta[ CoursePostModel::META_KEY_FAQS ] = $faqs; |
| 400 |
} |
| 401 |
|
| 402 |
return $meta; |
| 403 |
} |
| 404 |
|
| 405 |
/** |
| 406 |
* Validate category/tag IDs against their taxonomies. |
| 407 |
* |
| 408 |
* @param array $args Input args. |
| 409 |
* |
| 410 |
* @return array|WP_Error { categories: int[], tags: int[], has_categories: bool, has_tags: bool } |
| 411 |
*/ |
| 412 |
protected static function resolve_terms( array $args ) { |
| 413 |
$result = array( |
| 414 |
'categories' => array(), |
| 415 |
'tags' => array(), |
| 416 |
'has_categories' => array_key_exists( 'category_ids', $args ), |
| 417 |
'has_tags' => array_key_exists( 'tag_ids', $args ), |
| 418 |
); |
| 419 |
|
| 420 |
if ( $result['has_categories'] ) { |
| 421 |
$ids = Sanitizer::id_list( $args['category_ids'] ); |
| 422 |
foreach ( $ids as $id ) { |
| 423 |
if ( ! term_exists( $id, CoursePostModel::TAXONOMY_CATEGORY ) ) { |
| 424 |
return Errors::invalid( |
| 425 |
sprintf( |
| 426 |
/* translators: %d: term id. */ |
| 427 |
__( 'Invalid course category ID: %d.', 'learnpress' ), |
| 428 |
$id |
| 429 |
) |
| 430 |
); |
| 431 |
} |
| 432 |
} |
| 433 |
$result['categories'] = $ids; |
| 434 |
} |
| 435 |
|
| 436 |
if ( $result['has_tags'] ) { |
| 437 |
$ids = Sanitizer::id_list( $args['tag_ids'] ); |
| 438 |
foreach ( $ids as $id ) { |
| 439 |
if ( ! term_exists( $id, CoursePostModel::TAXONOMY_TAG ) ) { |
| 440 |
return Errors::invalid( |
| 441 |
sprintf( |
| 442 |
/* translators: %d: term id. */ |
| 443 |
__( 'Invalid course tag ID: %d.', 'learnpress' ), |
| 444 |
$id |
| 445 |
) |
| 446 |
); |
| 447 |
} |
| 448 |
} |
| 449 |
$result['tags'] = $ids; |
| 450 |
} |
| 451 |
|
| 452 |
return $result; |
| 453 |
} |
| 454 |
|
| 455 |
/** |
| 456 |
* Persist validated taxonomy relationships. |
| 457 |
* |
| 458 |
* @param int $course_id Course ID. |
| 459 |
* @param array $terms Resolved terms. |
| 460 |
* |
| 461 |
* @return void |
| 462 |
*/ |
| 463 |
protected static function apply_terms( int $course_id, array $terms ): void { |
| 464 |
if ( ! empty( $terms['has_categories'] ) ) { |
| 465 |
wp_set_post_terms( $course_id, $terms['categories'], CoursePostModel::TAXONOMY_CATEGORY ); |
| 466 |
} |
| 467 |
if ( ! empty( $terms['has_tags'] ) ) { |
| 468 |
wp_set_post_terms( $course_id, $terms['tags'], CoursePostModel::TAXONOMY_TAG ); |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
/** |
| 473 |
* Validate an optional featured image attachment ID. |
| 474 |
* |
| 475 |
* @param array $args Input args. |
| 476 |
* |
| 477 |
* @return int|WP_Error 0 when not provided. |
| 478 |
*/ |
| 479 |
protected static function resolve_thumbnail( array $args ) { |
| 480 |
if ( ! array_key_exists( 'featured_image_id', $args ) ) { |
| 481 |
return 0; |
| 482 |
} |
| 483 |
|
| 484 |
$id = absint( $args['featured_image_id'] ); |
| 485 |
if ( $id <= 0 ) { |
| 486 |
return 0; |
| 487 |
} |
| 488 |
|
| 489 |
if ( 'attachment' !== get_post_type( $id ) || ! wp_attachment_is_image( $id ) ) { |
| 490 |
return Errors::invalid( __( 'featured_image_id must reference a valid image attachment.', 'learnpress' ) ); |
| 491 |
} |
| 492 |
|
| 493 |
return $id; |
| 494 |
} |
| 495 |
} |
| 496 |
|
