function rebuild_activity_comment_tree($parent_id, $left = 1)
{
global $nxtdb, $bp;
// The right value of this node is the left value + 1
$right = $left + 1;
// Get all descendants of this node
$descendants = BP_Activity_Activity::get_child_comments($parent_id);
// Loop the descendants and recalculate the left and right values
foreach ((array) $descendants as $descendant) {
$right = BP_Activity_Activity::rebuild_activity_comment_tree($descendant->id, $right);
}
// We've got the left value, and now that we've processed the children
// of this node we also know the right value
if (1 == $left) {
$nxtdb->query($nxtdb->prepare("UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE id = %d", $left, $right, $parent_id));
} else {
$nxtdb->query($nxtdb->prepare("UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE type = 'activity_comment' AND id = %d", $left, $right, $parent_id));
}
// Return the right value of this node + 1
return $right + 1;
}
/**
* Rebuild nested comment tree under an activity or activity comment.
*
* @since 1.2.0
*
* @global wpdb $wpdb WordPress database object.
*
* @param int $parent_id ID of an activity or activity comment.
* @param int $left Node boundary start for activity or activity comment.
* @return int Right Node boundary of activity or activity comment.
*/
public static function rebuild_activity_comment_tree($parent_id, $left = 1)
{
global $wpdb;
$bp = buddypress();
// The right value of this node is the left value + 1.
$right = intval($left + 1);
// Get all descendants of this node.
$comments = BP_Activity_Activity::get_child_comments($parent_id);
$descendants = wp_list_pluck($comments, 'id');
// Loop the descendants and recalculate the left and right values.
foreach ((array) $descendants as $descendant_id) {
$right = BP_Activity_Activity::rebuild_activity_comment_tree($descendant_id, $right);
}
// We've got the left value, and now that we've processed the children
// of this node we also know the right value.
if (1 === $left) {
$wpdb->query($wpdb->prepare("UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE id = %d", $left, $right, $parent_id));
} else {
$wpdb->query($wpdb->prepare("UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE type = 'activity_comment' AND id = %d", $left, $right, $parent_id));
}
// Return the right value of this node + 1.
return intval($right + 1);
}
/**
* Delete an activity comment's children.
*
* @since BuddyPress (1.2.0)
*
* @uses BP_Activity_Activity::get_child_comments() {@link BP_Activity_Activity}
* @uses bp_activity_delete_children()
* @uses bp_activity_delete()
*
* @param int $activity_id The ID of the "root" activity, ie the
* comment's oldest ancestor.
* @param int $comment_id The ID of the comment to be deleted.
*/
function bp_activity_delete_children($activity_id, $comment_id)
{
// Get activity children to delete
$children = BP_Activity_Activity::get_child_comments($comment_id);
// Recursively delete all children of this comment.
if (!empty($children)) {
foreach ((array) $children as $child) {
bp_activity_delete_children($activity_id, $child->id);
}
}
// Delete the comment itself
bp_activity_delete(array('secondary_item_id' => $comment_id, 'type' => 'activity_comment', 'item_id' => $activity_id));
}
function bp_activity_delete_children( $activity_id, $comment_id) {
/* Recursively delete all children of this comment. */
if ( $children = BP_Activity_Activity::get_child_comments( $comment_id ) ) {
foreach( (array)$children as $child )
bp_activity_delete_children( $activity_id, $child->id );
}
bp_activity_delete( array( 'secondary_item_id' => $comment_id, 'type' => 'activity_comment', 'item_id' => $activity_id ) );
}