Send notifications to friends when a new event is created with BP Simple Events free version

gistfile1.txt

function pat_filter_notifications_get_registered_components( $component_names = array() ) {

	if ( ! is_array( $component_names ) ) {
		$component_names = array();
	}

	array_push( $component_names, 'events' );

	return $component_names;
}
add_filter( 'bp_notifications_get_registered_components', 'pat_filter_notifications_get_registered_components' );

// send notification to friends when creating Event with BP Simple Events free
function pat_send_event_notifications( $r, $aid ) {

	$current_user_id = get_current_user_id();

	$friend_ids = friends_get_friend_user_ids( $current_user_id );

	if ( ! empty( $friend_ids ) ) {

		foreach( $friend_ids as $fid ) {

			bp_notifications_add_notification( array(
				'user_id'           => $fid,
				'item_id'           => $r['secondary_item_id'],
				'secondary_item_id' => $current_user_id,
				'component_name'    => 'events',
				'component_action'  => 'bp_event',
			) );

		}

	}

}
add_action ( 'bp_activity_add', 'pat_send_event_notifications', 2, 100 );

function pat_custom_format_buddypress_notifications( $action, $item_id, $secondary_item_id, $total_items, $format = 'string' ) {

	if ( 'bp_event' === $action ) {

		$user_fullname = bp_core_get_user_displayname( $secondary_item_id );
		$event_url = get_permalink( $item_id );
		$title = get_the_title( $item_id );
		$custom_text = $user_fullname . ' added a new event: ' . $title;

		$return = apply_filters( 'bp_event_filter', '<a href="' . esc_url( $event_url) . '" title="' . esc_attr( $title ) . '">' . esc_html( $custom_text ) . '</a>', $custom_text, $event_url, $user_fullname );

		return $return;

	}

}
add_filter( 'bp_notifications_get_notifications_for_user', 'pat_custom_format_buddypress_notifications', 10, 5 );

not working now