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1 <?php 2 /** 3 * BuddyPress Member Notifications Functions. 4 * 5 * Functions and filters used in the Notifications component. 6 * 7 * @package BuddyPress 8 * @subpackage NotificationsFunctions 9 * @since 1.9.0 10 */ 11 12 // Exit if accessed directly. 13 defined( 'ABSPATH' ) || exit; 14 15 /** 16 * Add a notification for a specific user, from a specific component. 17 * 18 * @since 1.9.0 19 * 20 * @param array $args { 21 * Array of arguments describing the notification. All are optional. 22 * @type int $user_id ID of the user to associate the notification with. 23 * @type int $item_id ID of the item to associate the notification with. 24 * @type int $secondary_item_id ID of the secondary item to associate the 25 * notification with. 26 * @type string $component_name Name of the component to associate the 27 * notification with. 28 * @type string $component_action Name of the action to associate the 29 * notification with. 30 * @type string $date_notified Timestamp for the notification. 31 * } 32 * @return int|bool ID of the newly created notification on success, false on failure. 33 */ 34 function bp_notifications_add_notification( $args = array() ) { 35 36 $r = bp_parse_args( 37 $args, 38 array( 39 'user_id' => 0, 40 'item_id' => 0, 41 'secondary_item_id' => 0, 42 'component_name' => '', 43 'component_action' => '', 44 'date_notified' => bp_core_current_time(), 45 'is_new' => 1, 46 'allow_duplicate' => false, 47 ), 48 'notifications_add_notification' 49 ); 50 51 // Check for existing duplicate notifications. 52 if ( ! $r['allow_duplicate'] ) { 53 // Date_notified, allow_duplicate don't count toward 54 // duplicate status. 55 $existing = BP_Notifications_Notification::get( array( 56 'user_id' => $r['user_id'], 57 'item_id' => $r['item_id'], 58 'secondary_item_id' => $r['secondary_item_id'], 59 'component_name' => $r['component_name'], 60 'component_action' => $r['component_action'], 61 'is_new' => $r['is_new'], 62 ) ); 63 64 if ( ! empty( $existing ) ) { 65 return false; 66 } 67 } 68 69 // Setup the new notification. 70 $notification = new BP_Notifications_Notification; 71 $notification->user_id = $r['user_id']; 72 $notification->item_id = $r['item_id']; 73 $notification->secondary_item_id = $r['secondary_item_id']; 74 $notification->component_name = $r['component_name']; 75 $notification->component_action = $r['component_action']; 76 $notification->date_notified = $r['date_notified']; 77 $notification->is_new = $r['is_new']; 78 79 // Save the new notification. 80 return $notification->save(); 81 } 82 83 /** 84 * Get a specific notification by its ID. 85 * 86 * @since 1.9.0 87 * 88 * @param int $id ID of the notification. 89 * @return BP_Notifications_Notification Notification object for ID specified. 90 */ 91 function bp_notifications_get_notification( $id ) { 92 return new BP_Notifications_Notification( $id ); 93 } 94 95 /** 96 * Delete a specific notification by its ID. 97 * 98 * @since 1.9.0 99 * 100 * @param int $id ID of the notification to delete. 101 * @return false|int Integer on success, false on failure. 102 */ 103 function bp_notifications_delete_notification( $id ) { 104 if ( ! bp_notifications_check_notification_access( bp_displayed_user_id(), $id ) ) { 105 return false; 106 } 107 108 return BP_Notifications_Notification::delete( array( 'id' => $id ) ); 109 } 110 111 /** 112 * Mark notification read/unread for a user by ID. 113 * 114 * Used when clearing out notifications for a specific notification item. 115 * 116 * @since 1.9.0 117 * 118 * @param int $id ID of the notification. 119 * @param int|bool $is_new 0 for read, 1 for unread. 120 * @return false|int Number of rows updated on success, false on failure. 121 */ 122 function bp_notifications_mark_notification( $id, $is_new = false ) { 123 if ( ! bp_notifications_check_notification_access( bp_displayed_user_id(), $id ) ) { 124 return false; 125 } 126 127 return BP_Notifications_Notification::update( 128 array( 'is_new' => $is_new ), 129 array( 'id' => $id ) 130 ); 131 } 132 133 /** 134 * Get all notifications for a user and cache them. 135 * 136 * @since 2.1.0 137 * 138 * @param int $user_id ID of the user whose notifications are being fetched. 139 * @return array $notifications Array of notifications for user. 140 */ 141 function bp_notifications_get_all_notifications_for_user( $user_id = 0 ) { 142 143 // Default to displayed user if no ID is passed. 144 if ( empty( $user_id ) ) { 145 $user_id = ( bp_displayed_user_id() ) ? bp_displayed_user_id() : bp_loggedin_user_id(); 146 } 147 148 // Get notifications out of the cache, or query if necessary. 149 $notifications = wp_cache_get( 'all_for_user_' . $user_id, 'bp_notifications' ); 150 if ( false === $notifications ) { 151 $notifications = BP_Notifications_Notification::get( array( 152 'user_id' => $user_id, 153 ) ); 154 wp_cache_set( 'all_for_user_' . $user_id, $notifications, 'bp_notifications' ); 155 } 156 157 /** 158 * Filters all notifications for a user. 159 * 160 * @since 2.1.0 161 * 162 * @param array $notifications Array of notifications for user. 163 * @param int $user_id ID of the user being fetched. 164 */ 165 return apply_filters( 'bp_notifications_get_all_notifications_for_user', $notifications, $user_id ); 166 } 167 168 /** 169 * Get a user's unread notifications, grouped by component and action. 170 * 171 * This function returns a list of notifications collapsed by component + action. 172 * See BP_Notifications_Notification::get_grouped_notifications_for_user() for 173 * more details. 174 * 175 * @since 3.0.0 176 * 177 * @param int $user_id ID of the user whose notifications are being fetched. 178 * @return array $notifications 179 */ 180 function bp_notifications_get_grouped_notifications_for_user( $user_id = 0 ) { 181 if ( empty( $user_id ) ) { 182 $user_id = ( bp_displayed_user_id() ) ? bp_displayed_user_id() : bp_loggedin_user_id(); 183 } 184 185 $notifications = wp_cache_get( $user_id, 'bp_notifications_grouped_notifications' ); 186 if ( false === $notifications ) { 187 $notifications = BP_Notifications_Notification::get_grouped_notifications_for_user( $user_id ); 188 wp_cache_set( $user_id, $notifications, 'bp_notifications_grouped_notifications' ); 189 } 190 191 return $notifications; 192 } 193 194 /** 195 * Get notifications for a specific user. 196 * 197 * @since 1.9.0 198 * 199 * @param int $user_id ID of the user whose notifications are being fetched. 200 * @param string $format Format of the returned values. 'string' returns HTML, 201 * while 'object' returns a structured object for parsing. 202 * @return mixed Object or array on success, false on failure. 203 */ 204 function bp_notifications_get_notifications_for_user( $user_id, $format = 'string' ) { 205 $bp = buddypress(); 206 207 $notifications = bp_notifications_get_grouped_notifications_for_user( $user_id ); 208 209 // Calculate a renderable output for each notification type. 210 foreach ( $notifications as $notification_item ) { 211 212 $component_name = $notification_item->component_name; 213 // We prefer that extended profile component-related notifications use 214 // the component_name of 'xprofile'. However, the extended profile child 215 // object in the $bp object is keyed as 'profile', which is where we need 216 // to look for the registered notification callback. 217 if ( 'xprofile' == $notification_item->component_name ) { 218 $component_name = 'profile'; 219 } 220 221 // Callback function exists. 222 if ( isset( $bp->{$component_name}->notification_callback ) && is_callable( $bp->{$component_name}->notification_callback ) ) { 223 224 // Function should return an object. 225 if ( 'object' === $format ) { 226 227 // Retrieve the content of the notification using the callback. 228 $content = call_user_func( $bp->{$component_name}->notification_callback, $notification_item->component_action, $notification_item->item_id, $notification_item->secondary_item_id, $notification_item->total_count, 'array', $notification_item->id ); 229 230 // Create the object to be returned. 231 $notification_object = $notification_item; 232 233 // Minimal backpat with non-compatible notification 234 // callback functions. 235 if ( is_string( $content ) ) { 236 $notification_object->content = $content; 237 $notification_object->href = bp_loggedin_user_domain(); 238 } else { 239 $notification_object->content = isset( $content['text'] ) ? $content['text'] : ''; 240 $notification_object->href = isset( $content['link'] ) ? $content['link'] : ''; 241 } 242 243 $renderable[] = $notification_object; 244 245 // Return an array of content strings. 246 } else { 247 $content = call_user_func( $bp->{$component_name}->notification_callback, $notification_item->component_action, $notification_item->item_id, $notification_item->secondary_item_id, $notification_item->total_count, 'string', $notification_item->id ); 248 $renderable[] = $content; 249 } 250 251 // @deprecated format_notification_function - 1.5 252 } elseif ( isset( $bp->{$component_name}->format_notification_function ) && function_exists( $bp->{$component_name}->format_notification_function ) ) { 253 $renderable[] = call_user_func( $bp->{$component_name}->notification_callback, $notification_item->component_action, $notification_item->item_id, $notification_item->secondary_item_id, $notification_item->total_count ); 254 255 // Allow non BuddyPress components to hook in. 256 } else { 257 258 // The array to reference with apply_filters_ref_array(). 259 $ref_array = array( 260 $notification_item->component_action, 261 $notification_item->item_id, 262 $notification_item->secondary_item_id, 263 $notification_item->total_count, 264 $format, 265 $notification_item->component_action, // Duplicated so plugins can check the canonical action name. 266 $component_name, 267 $notification_item->id, 268 ); 269 270 // Function should return an object. 271 if ( 'object' === $format ) { 272 273 /** 274 * Filters the notification content for notifications created by plugins. 275 * If your plugin extends the {@link BP_Component} class, you should use the 276 * 'notification_callback' parameter in your extended 277 * {@link BP_Component::setup_globals()} method instead. 278 * 279 * @since 1.9.0 280 * @since 2.6.0 Added $component_action_name, $component_name, $id as parameters. 281 * 282 * @param string $content Component action. Deprecated. Do not do checks against this! Use 283 * the 6th parameter instead - $component_action_name. 284 * @param int $item_id Notification item ID. 285 * @param int $secondary_item_id Notification secondary item ID. 286 * @param int $action_item_count Number of notifications with the same action. 287 * @param string $format Format of return. Either 'string' or 'object'. 288 * @param string $component_action_name Canonical notification action. 289 * @param string $component_name Notification component ID. 290 * @param int $id Notification ID. 291 * 292 * @return string|array If $format is 'string', return a string of the notification content. 293 * If $format is 'object', return an array formatted like: 294 * array( 'text' => 'CONTENT', 'link' => 'LINK' ) 295 */ 296 $content = apply_filters_ref_array( 'bp_notifications_get_notifications_for_user', $ref_array ); 297 298 // Create the object to be returned. 299 $notification_object = $notification_item; 300 301 // Minimal backpat with non-compatible notification 302 // callback functions. 303 if ( is_string( $content ) ) { 304 $notification_object->content = $content; 305 $notification_object->href = bp_loggedin_user_domain(); 306 } else { 307 $notification_object->content = $content['text']; 308 $notification_object->href = $content['link']; 309 } 310 311 $renderable[] = $notification_object; 312 313 // Return an array of content strings. 314 } else { 315 316 /** This filters is documented in bp-notifications/bp-notifications-functions.php */ 317 $renderable[] = apply_filters_ref_array( 'bp_notifications_get_notifications_for_user', $ref_array ); 318 } 319 } 320 } 321 322 // If renderable is empty array, set to false. 323 if ( empty( $renderable ) ) { 324 $renderable = false; 325 } 326 327 /** 328 * Filters the final array of notifications to be displayed for a user. 329 * 330 * @since 1.6.0 331 * 332 * @param array|bool $renderable Array of notifications to render or false if no notifications. 333 * @param int $user_id ID of the user whose notifications are being displayed. 334 * @param string $format Display format requested for the notifications. 335 */ 336 return apply_filters( 'bp_core_get_notifications_for_user', $renderable, $user_id, $format ); 337 } 338 339 /** Delete ********************************************************************/ 340 341 /** 342 * Delete notifications for a user by type. 343 * 344 * Used when clearing out notifications for a specific component when the user 345 * has visited that component. 346 * 347 * @since 1.9.0 348 * 349 * @param int $user_id ID of the user whose notifications are being deleted. 350 * @param string $component_name Name of the associated component. 351 * @param string $component_action Name of the associated action. 352 * @return int|false True on success, false on failure. 353 */ 354 function bp_notifications_delete_notifications_by_type( $user_id, $component_name, $component_action ) { 355 return BP_Notifications_Notification::delete( array( 356 'user_id' => $user_id, 357 'component_name' => $component_name, 358 'component_action' => $component_action, 359 ) ); 360 } 361 362 /** 363 * Delete notifications for an item ID. 364 * 365 * Used when clearing out notifications for a specific component when the user 366 * has visited that component. 367 * 368 * @since 1.9.0 369 * 370 * @param int $user_id ID of the user whose notifications are being deleted. 371 * @param int $item_id ID of the associated item. 372 * @param string $component_name Name of the associated component. 373 * @param string $component_action Name of the associated action. 374 * @param int|bool $secondary_item_id ID of the secondary associated item. 375 * @return int|false True on success, false on failure. 376 */ 377 function bp_notifications_delete_notifications_by_item_id( $user_id, $item_id, $component_name, $component_action, $secondary_item_id = false ) { 378 return BP_Notifications_Notification::delete( array( 379 'user_id' => $user_id, 380 'item_id' => $item_id, 381 'secondary_item_id' => $secondary_item_id, 382 'component_name' => $component_name, 383 'component_action' => $component_action, 384 ) ); 385 } 386 387 /** 388 * Delete notifications by notification ids. 389 * 390 * @since 10.0.0 391 * 392 * @param int[] $ids IDs of the associated notifications. 393 * @return int|false The number of rows updated. False on error. 394 */ 395 function bp_notifications_delete_notifications_by_ids( $ids ) { 396 return BP_Notifications_Notification::delete_by_id_list( 'id', $ids ); 397 } 398 399 /** 400 * Delete notifications by item ids and user. 401 * 402 * @since 10.0.0 403 * 404 * @param int $user_id ID of the user whose notifications are being deleted. 405 * @param int[] $item_ids IDs of the associated items. 406 * @param string $component_name Name of the associated component. 407 * @param string $component_action Name of the associated action. 408 * @return int|false The number of rows updated. False on error. 409 */ 410 function bp_notifications_delete_notifications_by_item_ids( $user_id, $item_ids, $component_name, $component_action ) { 411 return BP_Notifications_Notification::delete_by_id_list( 412 'item_id', 413 $item_ids, 414 array( 415 'user_id' => $user_id, 416 'component_name' => $component_name, 417 'component_action' => $component_action 418 ) 419 ); 420 } 421 422 /** 423 * Delete all notifications by type. 424 * 425 * Used when clearing out notifications for an entire component. 426 * 427 * @since 1.9.0 428 * 429 * @param int $item_id ID of the user whose notifications are being deleted. 430 * @param string $component_name Name of the associated component. 431 * @param string|bool $component_action Optional. Name of the associated action. 432 * @param int|bool $secondary_item_id Optional. ID of the secondary associated item. 433 * @return int|false True on success, false on failure. 434 */ 435 function bp_notifications_delete_all_notifications_by_type( $item_id, $component_name, $component_action = false, $secondary_item_id = false ) { 436 return BP_Notifications_Notification::delete( array( 437 'item_id' => $item_id, 438 'secondary_item_id' => $secondary_item_id, 439 'component_name' => $component_name, 440 'component_action' => $component_action, 441 ) ); 442 } 443 444 /** 445 * Delete all notifications from a user. 446 * 447 * Used when clearing out all notifications for a user, when deleted or spammed. 448 * 449 * @todo This function assumes that items with the user_id in the item_id slot 450 * are associated with that user. However, this will only be true with 451 * certain components (such as Friends). Use with caution! 452 * 453 * @since 1.9.0 454 * 455 * @param int $user_id ID of the user whose associated items are being deleted. 456 * @param string $component_name Name of the associated component. 457 * @param string $component_action Name of the associated action. 458 * @return int|false True on success, false on failure. 459 */ 460 function bp_notifications_delete_notifications_from_user( $user_id, $component_name, $component_action ) { 461 return BP_Notifications_Notification::delete( array( 462 'item_id' => $user_id, 463 'component_name' => $component_name, 464 'component_action' => $component_action, 465 ) ); 466 } 467 468 /** 469 * Delete a user's notifications when the user is deleted. 470 * 471 * @since 2.5.0 472 * 473 * @param int $user_id ID of the user who is about to be deleted. 474 * @return int|false The number of rows deleted, or false on error. 475 */ 476 function bp_notifications_delete_notifications_on_user_delete( $user_id ) { 477 return BP_Notifications_Notification::delete( array( 478 'user_id' => $user_id, 479 'item_id' => false, 480 'secondary_item_id' => false, 481 'component_action' => false, 482 'component_name' => false, 483 ) ); 484 } 485 add_action( 'wpmu_delete_user', 'bp_notifications_delete_notifications_on_user_delete' ); 486 487 /** 488 * Deletes user notifications data on the 'delete_user' hook. 489 * 490 * @since 6.0.0 491 * 492 * @param int $user_id The ID of the deleted user. 493 */ 494 function bp_notifications_delete_notifications_on_delete_user( $user_id ) { 495 if ( ! bp_remove_user_data_on_delete_user_hook( 'notifications', $user_id ) ) { 496 return; 497 } 498 499 bp_notifications_delete_notifications_on_user_delete( $user_id ); 500 } 501 502 add_action( 'delete_user', 'bp_notifications_delete_notifications_on_delete_user' ); 503 504 /** Mark **********************************************************************/ 505 506 /** 507 * Mark notifications read/unread for a user by type. 508 * 509 * Used when clearing out notifications for a specific component when the user 510 * has visited that component. 511 * 512 * @since 1.9.0 513 * 514 * @param int $user_id ID of the user whose notifications are being deleted. 515 * @param string $component_name Name of the associated component. 516 * @param string $component_action Name of the associated action. 517 * @param int|bool $is_new 0 for read, 1 for unread. 518 * @return int|false True on success, false on failure. 519 */ 520 function bp_notifications_mark_notifications_by_type( $user_id, $component_name, $component_action, $is_new = false ) { 521 return BP_Notifications_Notification::update( 522 array( 523 'is_new' => $is_new, 524 ), 525 array( 526 'user_id' => $user_id, 527 'component_name' => $component_name, 528 'component_action' => $component_action, 529 ) 530 ); 531 } 532 533 /** 534 * Mark notifications read/unread for an item ID. 535 * 536 * Used when clearing out notifications for a specific component when the user 537 * has visited that component. 538 * 539 * @since 1.9.0 540 * 541 * @param int $user_id ID of the user whose notifications are being deleted. 542 * @param int $item_id ID of the associated item. 543 * @param string $component_name Name of the associated component. 544 * @param string $component_action Name of the associated action. 545 * @param int|bool $secondary_item_id ID of the secondary associated item. 546 * @param int|bool $is_new 0 for read, 1 for unread. 547 * @return int|false True on success, false on failure. 548 */ 549 function bp_notifications_mark_notifications_by_item_id( $user_id, $item_id, $component_name, $component_action, $secondary_item_id = false, $is_new = false ) { 550 return BP_Notifications_Notification::update( 551 array( 552 'is_new' => $is_new, 553 ), 554 array( 555 'user_id' => $user_id, 556 'item_id' => $item_id, 557 'secondary_item_id' => $secondary_item_id, 558 'component_name' => $component_name, 559 'component_action' => $component_action, 560 ) 561 ); 562 } 563 564 /** 565 * Mark all notifications read/unread by type. 566 * 567 * Used when clearing out notifications for an entire component. 568 * 569 * @since 1.9.0 570 * 571 * @param int $item_id ID of the user whose notifications are being deleted. 572 * @param string $component_name Name of the associated component. 573 * @param string|bool $component_action Optional. Name of the associated action. 574 * @param int|bool $secondary_item_id Optional. ID of the secondary associated item. 575 * @param int|bool $is_new 0 for read, 1 for unread. 576 * @return int|false True on success, false on failure. 577 */ 578 function bp_notifications_mark_all_notifications_by_type( $item_id, $component_name, $component_action = false, $secondary_item_id = false, $is_new = false ) { 579 return BP_Notifications_Notification::update( 580 array( 581 'is_new' => $is_new, 582 ), 583 array( 584 'item_id' => $item_id, 585 'secondary_item_id' => $secondary_item_id, 586 'component_name' => $component_name, 587 'component_action' => $component_action, 588 ) 589 ); 590 } 591 592 /** 593 * Mark all notifications read/unread from a user. 594 * 595 * Used when clearing out all notifications for a user, when deleted or spammed. 596 * 597 * @todo This function assumes that items with the user_id in the item_id slot 598 * are associated with that user. However, this will only be true with 599 * certain components (such as Friends). Use with caution! 600 * 601 * @since 1.9.0 602 * 603 * @param int $user_id ID of the user whose associated items are being deleted. 604 * @param string $component_name Name of the associated component. 605 * @param string $component_action Name of the associated action. 606 * @param int|bool $is_new 0 for read, 1 for unread. 607 * @return int|false True on success, false on failure. 608 */ 609 function bp_notifications_mark_notifications_from_user( $user_id, $component_name, $component_action, $is_new = false ) { 610 return BP_Notifications_Notification::update( 611 array( 612 'is_new' => $is_new, 613 ), 614 array( 615 'item_id' => $user_id, 616 'component_name' => $component_name, 617 'component_action' => $component_action, 618 ) 619 ); 620 } 621 622 /** 623 * Mark notifications read/unread by item ids and user. 624 * 625 * @since 10.0.0 626 * 627 * @param int $user_id ID of the user whose notifications are being deleted. 628 * @param int[] $item_ids IDs of the associated items. 629 * @param string $component_name Name of the associated component. 630 * @param string $component_action Name of the associated action. 631 * @param int|false $is_new 0 for read, 1 for unread. 632 * @return int|false The number of rows updated. False on error. 633 */ 634 function bp_notifications_mark_notifications_by_item_ids( $user_id, $item_ids, $component_name, $component_action, $is_new = false ) { 635 return BP_Notifications_Notification::update_id_list( 636 'item_id', 637 $item_ids, 638 array( 639 'is_new' => $is_new, 640 ), 641 array( 642 'user_id' => $user_id, 643 'component_name' => $component_name, 644 'component_action' => $component_action 645 ) 646 ); 647 } 648 649 /** 650 * Mark notifications read/unread by notification ids. 651 * 652 * @since 10.0.0 653 * 654 * @param int[] $ids IDs of the associated notification items. 655 * @param int|false $is_new 0 for read, 1 for unread. 656 * @return int|false The number of rows updated. False on error. 657 */ 658 function bp_notifications_mark_notifications_by_ids( $ids, $is_new = false ) { 659 return BP_Notifications_Notification::update_id_list( 660 'id', 661 $ids, 662 array( 663 'is_new' => $is_new, 664 ) 665 ); 666 } 667 668 /** Helpers *******************************************************************/ 669 670 /** 671 * Check if a user has access to a specific notification. 672 * 673 * Used before deleting a notification for a user. 674 * 675 * @since 1.9.0 676 * 677 * @param int $user_id ID of the user being checked. 678 * @param int $notification_id ID of the notification being checked. 679 * @return bool True if the notification belongs to the user, otherwise false. 680 */ 681 function bp_notifications_check_notification_access( $user_id, $notification_id ) { 682 return (bool) BP_Notifications_Notification::check_access( $user_id, $notification_id ); 683 } 684 685 /** 686 * Get a count of unread notification items for a user. 687 * 688 * @since 1.9.0 689 * 690 * @param int $user_id ID of the user whose unread notifications are being 691 * counted. 692 * @return int Unread notification count. 693 */ 694 function bp_notifications_get_unread_notification_count( $user_id = 0 ) { 695 if ( empty( $user_id ) ) { 696 $user_id = ( bp_displayed_user_id() ) ? bp_displayed_user_id() : bp_loggedin_user_id(); 697 } 698 699 $count = wp_cache_get( $user_id, 'bp_notifications_unread_count' ); 700 if ( false === $count ) { 701 $count = BP_Notifications_Notification::get_total_count( array( 702 'user_id' => $user_id, 703 'is_new' => true, 704 ) ); 705 wp_cache_set( $user_id, $count, 'bp_notifications_unread_count' ); 706 } 707 708 /** 709 * Filters the count of unread notification items for a user. 710 * 711 * @since 1.9.0 712 * @since 2.7.0 Added user ID parameter. 713 * 714 * @param int $count Count of unread notification items for a user. 715 * @param int $user_id User ID for notifications count. 716 */ 717 return apply_filters( 'bp_notifications_get_total_notification_count', (int) $count, $user_id ); 718 } 719 720 /** 721 * Return an array of component names that are currently active and have 722 * registered Notifications callbacks. 723 * 724 * @since 1.9.1 725 * 726 * @see http://buddypress.trac.wordpress.org/ticket/5300 727 * 728 * @return array $component_names Array of registered components. 729 */ 730 function bp_notifications_get_registered_components() { 731 732 // Load BuddyPress. 733 $bp = buddypress(); 734 735 // Setup return value. 736 $component_names = array(); 737 738 // Get the active components. 739 $active_components = array_keys( $bp->active_components ); 740 741 // Loop through components, look for callbacks, add to return value. 742 foreach ( $active_components as $component ) { 743 if ( !empty( $bp->$component->notification_callback ) ) { 744 $component_names[] = $component; 745 } 746 // The extended profile component is identified in the active_components array as 'xprofile'. 747 // However, the extended profile child object has the key 'profile' in the $bp object. 748 if ( 'xprofile' == $component && ! empty( $bp->profile->notification_callback ) ) { 749 $component_names[] = $component; 750 } 751 } 752 753 /** 754 * Filters active components with registered notifications callbacks. 755 * 756 * @since 1.9.1 757 * 758 * @param array $component_names Array of registered component names. 759 * @param array $active_components Array of active components. 760 */ 761 return apply_filters( 'bp_notifications_get_registered_components', $component_names, $active_components ); 762 } 763 764 /** 765 * Catch and route the 'settings' notifications screen. 766 * 767 * This is currently unused. 768 * 769 * @since 1.9.0 770 */ 771 function bp_notifications_screen_settings() {} 772 773 /** Meta **********************************************************************/ 774 775 /** 776 * Delete a meta entry from the DB for a notification item. 777 * 778 * @since 2.3.0 779 * 780 * @global object $wpdb WordPress database access object. 781 * 782 * @param int $notification_id ID of the notification item whose metadata is being deleted. 783 * @param string $meta_key Optional. The key of the metadata being deleted. If 784 * omitted, all metadata associated with the notification 785 * item will be deleted. 786 * @param string $meta_value Optional. If present, the metadata will only be 787 * deleted if the meta_value matches this parameter. 788 * @param bool $delete_all Optional. If true, delete matching metadata entries 789 * for all objects, ignoring the specified object_id. Otherwise, 790 * only delete matching metadata entries for the specified 791 * notification item. Default: false. 792 * @return bool True on success, false on failure. 793 */ 794 function bp_notifications_delete_meta( $notification_id, $meta_key = '', $meta_value = '', $delete_all = false ) { 795 796 // Legacy - if no meta_key is passed, delete all for the item. 797 if ( empty( $meta_key ) ) { 798 $all_meta = bp_notifications_get_meta( $notification_id ); 799 $keys = ! empty( $all_meta ) 800 ? array_keys( $all_meta ) 801 : array(); 802 803 // With no meta_key, ignore $delete_all. 804 $delete_all = false; 805 } else { 806 $keys = array( $meta_key ); 807 } 808 809 $retval = true; 810 811 add_filter( 'query', 'bp_filter_metaid_column_name' ); 812 foreach ( $keys as $key ) { 813 $retval = delete_metadata( 'notification', $notification_id, $key, $meta_value, $delete_all ); 814 } 815 remove_filter( 'query', 'bp_filter_metaid_column_name' ); 816 817 return $retval; 818 } 819 820 /** 821 * Get metadata for a given notification item. 822 * 823 * @since 2.3.0 824 * 825 * @param int $notification_id ID of the notification item whose metadata is being requested. 826 * @param string $meta_key Optional. If present, only the metadata matching 827 * that meta key will be returned. Otherwise, all metadata for the 828 * notification item will be fetched. 829 * @param bool $single Optional. If true, return only the first value of the 830 * specified meta_key. This parameter has no effect if meta_key is not 831 * specified. Default: true. 832 * @return mixed The meta value(s) being requested. 833 */ 834 function bp_notifications_get_meta( $notification_id = 0, $meta_key = '', $single = true ) { 835 add_filter( 'query', 'bp_filter_metaid_column_name' ); 836 $retval = get_metadata( 'notification', $notification_id, $meta_key, $single ); 837 remove_filter( 'query', 'bp_filter_metaid_column_name' ); 838 839 /** 840 * Filters the metadata for a specified notification item. 841 * 842 * @since 2.3.0 843 * 844 * @param mixed $retval The meta values for the notification item. 845 * @param int $notification_id ID of the notification item. 846 * @param string $meta_key Meta key for the value being requested. 847 * @param bool $single Whether to return one matched meta key row or all. 848 */ 849 return apply_filters( 'bp_notifications_get_meta', $retval, $notification_id, $meta_key, $single ); 850 } 851 852 /** 853 * Update a piece of notification meta. 854 * 855 * @since 1.2.0 856 * 857 * @param int $notification_id ID of the notification item whose metadata is being 858 * updated. 859 * @param string $meta_key Key of the metadata being updated. 860 * @param mixed $meta_value Value to be set. 861 * @param mixed $prev_value Optional. If specified, only update existing 862 * metadata entries with the specified value. 863 * Otherwise, update all entries. 864 * @return bool|int Returns false on failure. On successful 865 * update of existing metadata, returns true. On 866 * successful creation of new metadata, returns 867 * the integer ID of the new metadata row. 868 */ 869 function bp_notifications_update_meta( $notification_id, $meta_key, $meta_value, $prev_value = '' ) { 870 add_filter( 'query', 'bp_filter_metaid_column_name' ); 871 $retval = update_metadata( 'notification', $notification_id, $meta_key, $meta_value, $prev_value ); 872 remove_filter( 'query', 'bp_filter_metaid_column_name' ); 873 874 return $retval; 875 } 876 877 /** 878 * Add a piece of notification metadata. 879 * 880 * @since 2.3.0 881 * 882 * @param int $notification_id ID of the notification item. 883 * @param string $meta_key Metadata key. 884 * @param mixed $meta_value Metadata value. 885 * @param bool $unique Optional. Whether to enforce a single metadata value 886 * for the given key. If true, and the object already has a value for 887 * the key, no change will be made. Default: false. 888 * @return int|bool The meta ID on successful update, false on failure. 889 */ 890 function bp_notifications_add_meta( $notification_id, $meta_key, $meta_value, $unique = false ) { 891 add_filter( 'query', 'bp_filter_metaid_column_name' ); 892 $retval = add_metadata( 'notification', $notification_id, $meta_key, $meta_value, $unique ); 893 remove_filter( 'query', 'bp_filter_metaid_column_name' ); 894 895 return $retval; 896 } 897 898 /** 899 * Finds and exports personal data associated with an email address from the Notifications tables. 900 * 901 * @since 4.0.0 902 * 903 * @param string $email_address The users email address. 904 * @param int $page Batch number. 905 * @return array An array of personal data. 906 */ 907 function bp_notifications_personal_data_exporter( $email_address, $page ) { 908 $number = 50; 909 910 $email_address = trim( $email_address ); 911 912 $data_to_export = array(); 913 914 $user = get_user_by( 'email', $email_address ); 915 916 if ( ! $user ) { 917 return array( 918 'data' => array(), 919 'done' => true, 920 ); 921 } 922 923 $notifications = BP_Notifications_Notification::get( array( 924 'is_new' => null, 925 'per_page' => $number, 926 'page' => $page, 927 'user_id' => $user->ID, 928 'order' => 'DESC', 929 ) ); 930 931 $user_data_to_export = array(); 932 933 foreach ( $notifications as $notification ) { 934 if ( 'xprofile' === $notification->component_name ) { 935 $component_name = 'profile'; 936 } else { 937 $component_name = $notification->component_name; 938 } 939 940 // Format notifications. 941 if ( isset( buddypress()->{$component_name}->notification_callback ) && is_callable( buddypress()->{$component_name}->notification_callback ) ) { 942 $content = call_user_func( buddypress()->{$component_name}->notification_callback, $notification->component_action, $notification->item_id, $notification->secondary_item_id, 1, 'string', $notification->id ); 943 } else { 944 /* 945 * Compile an array of data to send to filter. 946 * 947 * Note that a null value is passed in the slot filled by `total_count` in 948 * other filter contexts. We don't have enough info here to pass a `total_count`. 949 */ 950 $ref_array = array( 951 $notification->component_action, 952 $notification->item_id, 953 $notification->secondary_item_id, 954 null, 955 'string', 956 $notification->component_action, 957 $component_name, 958 $notification->id, 959 ); 960 961 /** This filter is documented in bp-notifications/bp-notifications-functions.php */ 962 $content = apply_filters_ref_array( 'bp_notifications_get_notifications_for_user', $ref_array ); 963 } 964 965 $item_data = array( 966 array( 967 'name' => __( 'Notification Content', 'buddypress' ), 968 'value' => $content, 969 ), 970 array( 971 'name' => __( 'Notification Date', 'buddypress' ), 972 'value' => $notification->date_notified, 973 ), 974 array( 975 'name' => __( 'Status', 'buddypress' ), 976 'value' => $notification->is_new ? __( 'Unread', 'buddypress' ) : __( 'Read', 'buddypress' ), 977 ), 978 ); 979 980 $data_to_export[] = array( 981 'group_id' => 'bp_notifications', 982 'group_label' => __( 'Notifications', 'buddypress' ), 983 'item_id' => "bp-notifications-{$notification->id}", 984 'data' => $item_data, 985 ); 986 } 987 988 // Tell core if we have more items to process. 989 $done = count( $notifications ) < $number; 990 991 return array( 992 'data' => $data_to_export, 993 'done' => $done, 994 ); 995 }
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