SNot/src/main.rs

use futures_util::stream::TryStreamExt;
use std::collections::HashMap;
use zbus::{message::Body, Connection, Result};
use zvariant::OwnedValue;

fn print_notif(msg_body: Body) -> Result<()> {
    // Deserialize the message body to the expected tuple
    let (app_name, replace_id, icon, summary, body, actions, hints, expir_timeout): (
        String,
        u32,
        String,
        String,
        String,
        Vec<String>,
        HashMap<String, OwnedValue>,
        i32,
    ) = msg_body.deserialize()?;
    // Print the notification details
    println!("App Name: {app_name}");
    println!("Replace ID: {replace_id}");
    println!("Icon: {icon}");
    println!("Summary: {summary}");
    println!("Body: {body}");
    println!("Actions: {actions:?}");
    println!("Hints:");
    for (key, value) in hints {
        println!("  {key}: {value:?}");
    }
    println!("Expiration Timeout: {expir_timeout} seconds");

    Ok(())
}

#[tokio::main]
async fn main() -> Result<()> {
    let connection = Connection::session().await?;
    connection
        .request_name("org.freedesktop.Notifications") // Requesting dbus for this service name. Any other services using this name should be stopped/disabled before this
        .await?;

    let mut stream = zbus::MessageStream::from(&connection); // Convert connection to a MessageStream, yields Message items

    while let Some(msg) = stream.try_next().await? {
        // Check if the message is a method call to the "Notify" method
        if let Some(member) = msg.header().member().map(|m| m.as_str()) {
            match member {
                "GetServerInformation" => {
                    println!("Member is: {member}");
                    // Respond with server information
                    let response = ("SNot", "candifloss.cc", "0.1.0", "1.0"); // (name, vendor, version, spec_version)
                    connection.reply(&msg, &response).await?;
                }
                "Notify" => {
                    println!("Member is: {member}");
                    // Handle notif
                    let msg_body = msg.body();
                    // get the app_name, summary, body, etc. from the msg_body and print it
                    let _ = print_notif(msg_body);
                    // Done. Respond with a notification ID
                    let notification_id: u32 = 1; // This could be incremented or generated
                    connection.reply(&msg, &notification_id).await?;
                }
                _ => {
                    println!("Unhandled method: {member}");
                }
            };
        }
    }

    Ok(())
}