bp_media_admin_repair_media()

function bp_media_admin_repair_media() {
	global $wpdb;
	$offset 	= isset( $_POST['offset'] ) ? (int) ( $_POST['offset'] ) : 0;
	$bp 		= buddypress();

	$media_query = "SELECT id, activity_id FROM {$bp->media->table_name} WHERE activity_id != 0 LIMIT 50 OFFSET $offset ";
	$medias 	= $wpdb->get_results( $media_query );

	if ( ! empty( $medias ) ) {
		foreach ( $medias as $media ) {
			if ( ! empty( $media->id ) && ! empty( $media->activity_id ) ) {
				$activity = new BP_Activity_Activity( $media->activity_id );
				if ( ! empty( $activity->id ) ) {
					if ( 'activity_comment' === $activity->type ) {
						$activity = new BP_Activity_Activity( $activity->item_id );
					}
					if ( bp_is_active( 'groups' ) && buddypress()->groups->id === $activity->component ) {
						$update_query = "UPDATE {$bp->media->table_name} SET group_id=" . $activity->item_id . ", privacy='grouponly' WHERE id=" . $media->id . " ";
						$wpdb->query( $update_query );
					}
					if ( 'media' === $activity->privacy ) {
						if ( ! empty( $activity->secondary_item_id ) ) {
							$media_activity = new BP_Activity_Activity( $activity->secondary_item_id );
							if ( ! empty( $media_activity->id ) ) {
								if ( 'activity_comment' === $media_activity->type ) {
									$media_activity = new BP_Activity_Activity( $media_activity->item_id );
								}
								if ( bp_is_active( 'groups' ) && buddypress()->groups->id === $media_activity->component ) {
									$update_query = "UPDATE {$bp->media->table_name} SET group_id=" . $media_activity->item_id . ", privacy='grouponly' WHERE id=" . $media->id . " ";
									$wpdb->query( $update_query );
									$activity->item_id   = $media_activity->item_id;
									$activity->component = buddypress()->groups->id;
								}
							}
						}
						$activity->hide_sitewide = true;
						$activity->save();
					}
				}
			}
			$offset ++;
		}
		$records_updated = sprintf( __( '%s media updated successfully.', 'buddyboss' ), number_format_i18n( $offset ) );

		return array(
				'status'  => 'running',
				'offset'  => $offset,
				'records' => $records_updated,
		);
	} else {
		return array(
				'status'  => 1,
				'message' => __( 'Media update complete!', 'buddyboss' ),
		);
	}
}