| 614 | |
| 615 | /** Meta **********************************************************************/ |
| 616 | |
| 617 | /** |
| 618 | * Delete a meta entry from the DB for a notification item. |
| 619 | * |
| 620 | * @since BuddyPress (2.3.0) |
| 621 | * |
| 622 | * @global object $wpdb WordPress database access object. |
| 623 | * |
| 624 | * @param int $notification_id ID of the notification item whose metadata is being deleted. |
| 625 | * @param string $meta_key Optional. The key of the metadata being deleted. If |
| 626 | * omitted, all metadata associated with the notification |
| 627 | * item will be deleted. |
| 628 | * @param string $meta_value Optional. If present, the metadata will only be |
| 629 | * deleted if the meta_value matches this parameter. |
| 630 | * @param bool $delete_all Optional. If true, delete matching metadata entries |
| 631 | * for all objects, ignoring the specified object_id. Otherwise, |
| 632 | * only delete matching metadata entries for the specified |
| 633 | * notification item. Default: false. |
| 634 | * |
| 635 | * @return bool True on success, false on failure. |
| 636 | */ |
| 637 | function bp_notifications_delete_meta( $notification_id, $meta_key = '', $meta_value = '', $delete_all = false ) { |
| 638 | |
| 639 | // Legacy - if no meta_key is passed, delete all for the item |
| 640 | if ( empty( $meta_key ) ) { |
| 641 | $all_meta = bp_notifications_get_meta( $notification_id ); |
| 642 | $keys = ! empty( $all_meta ) |
| 643 | ? array_keys( $all_meta ) |
| 644 | : array(); |
| 645 | |
| 646 | // With no meta_key, ignore $delete_all |
| 647 | $delete_all = false; |
| 648 | } else { |
| 649 | $keys = array( $meta_key ); |
| 650 | } |
| 651 | |
| 652 | $retval = true; |
| 653 | |
| 654 | add_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 655 | foreach ( $keys as $key ) { |
| 656 | $retval = delete_metadata( 'notifications', $notification_id, $key, $meta_value, $delete_all ); |
| 657 | } |
| 658 | remove_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 659 | |
| 660 | return $retval; |
| 661 | } |
| 662 | |
| 663 | /** |
| 664 | * Get metadata for a given notification item. |
| 665 | * |
| 666 | * @since BuddyPress (2.3.0) |
| 667 | * |
| 668 | * @uses apply_filters() To call the 'bp_notifications_get_meta' hook. |
| 669 | * |
| 670 | * @param int $notification_id ID of the notification item whose metadata is being requested. |
| 671 | * @param string $meta_key Optional. If present, only the metadata matching |
| 672 | * that meta key will be returned. Otherwise, all metadata for the |
| 673 | * notification item will be fetched. |
| 674 | * @param bool $single Optional. If true, return only the first value of the |
| 675 | * specified meta_key. This parameter has no effect if meta_key is not |
| 676 | * specified. Default: true. |
| 677 | * |
| 678 | * @return mixed The meta value(s) being requested. |
| 679 | */ |
| 680 | function bp_notifications_get_meta( $notification_id = 0, $meta_key = '', $single = true ) { |
| 681 | add_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 682 | $retval = get_metadata( 'notifications', $notification_id, $meta_key, $single ); |
| 683 | remove_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 684 | |
| 685 | /** |
| 686 | * Filters the metadata for a specified notification item. |
| 687 | * |
| 688 | * @since BuddyPress (2.3.0) |
| 689 | * |
| 690 | * @param mixed $retval The meta values for the notification item. |
| 691 | * @param int $notification_id ID of the notification item. |
| 692 | * @param string $meta_key Meta key for the value being requested. |
| 693 | * @param bool $single Whether to return one matched meta key row or all. |
| 694 | */ |
| 695 | return apply_filters( 'bp_notifications_get_meta', $retval, $notification_id, $meta_key, $single ); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * Update a piece of notification meta. |
| 700 | * |
| 701 | * @since BuddyPress (1.2.0) |
| 702 | * |
| 703 | * @param int $notification_id ID of the notification item whose metadata is being |
| 704 | * updated. |
| 705 | * @param string $meta_key Key of the metadata being updated. |
| 706 | * @param mixed $meta_value Value to be set. |
| 707 | * @param mixed $prev_value Optional. If specified, only update existing |
| 708 | * metadata entries with the specified value. |
| 709 | * Otherwise, update all entries. |
| 710 | * |
| 711 | * @return bool|int Returns false on failure. On successful |
| 712 | * update of existing metadata, returns true. On |
| 713 | * successful creation of new metadata, returns |
| 714 | * the integer ID of the new metadata row. |
| 715 | */ |
| 716 | function bp_notifications_update_meta( $notification_id, $meta_key, $meta_value, $prev_value = '' ) { |
| 717 | add_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 718 | $retval = update_metadata( 'notifications', $notification_id, $meta_key, $meta_value, $prev_value ); |
| 719 | remove_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 720 | |
| 721 | return $retval; |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * Add a piece of notification metadata. |
| 726 | * |
| 727 | * @since BuddyPress (2.3.0) |
| 728 | * |
| 729 | * @param int $notification_id ID of the notification item. |
| 730 | * @param string $meta_key Metadata key. |
| 731 | * @param mixed $meta_value Metadata value. |
| 732 | * @param bool $unique Optional. Whether to enforce a single metadata value |
| 733 | * for the given key. If true, and the object already has a value for |
| 734 | * the key, no change will be made. Default: false. |
| 735 | * |
| 736 | * @return int|bool The meta ID on successful update, false on failure. |
| 737 | */ |
| 738 | function bp_notifications_add_meta( $notification_id, $meta_key, $meta_value, $unique = false ) { |
| 739 | add_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 740 | $retval = add_metadata( 'notifications', $notification_id, $meta_key, $meta_value, $unique ); |
| 741 | remove_filter( 'query', 'bp_filter_metaid_column_name' ); |
| 742 | |
| 743 | return $retval; |
| 744 | } |