feat: add notifications

Cargo.toml

@@ -8,6 +8,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.71"
 clap = { version = "4.3.4", features = ["derive"] }
+notify-rust = "4.8.0"
 serde = { version = "1.0.164", features = ["derive"] }
 serde_cbor = "0.11.2"
 thiserror = "1.0.44"

src/cli.rs

@@ -1,4 +1,4 @@
-use crate::daemon::{Answer, Command as OtherCommand, AnswerErr};
+use crate::daemon::{Answer, AnswerErr, Command as OtherCommand};
 use anyhow::{Context, Result};
 use clap::{Parser, Subcommand};
 use std::net::Shutdown;
@@ -18,10 +18,18 @@ pub struct Cli {
 
 #[derive(Debug, Subcommand)]
 pub enum Command {
-    Daemon,
-    Add { name: String, duration_seconds: u64 },
+    Daemon {
+        #[arg(short, long)]
+        notify: bool,
+    },
+    Add {
+        name: String,
+        duration_seconds: u64,
+    },
     List,
-    Remove { name: String },
+    Remove {
+        name: String,
+    },
 }
 
 fn get_stream(socket_path: &String) -> Result<UnixStream> {
@@ -35,7 +43,8 @@ pub fn send_command(socket_path: &String, command: OtherCommand) -> Result<()> {
     stream
         .shutdown(Shutdown::Write)
         .context("Could not shutdown write!")?;
-    let answer: Result<Answer, AnswerErr> = serde_cbor::from_reader(&stream).context("Could not read answer!")?;
+    let answer: Result<Answer, AnswerErr> =
+        serde_cbor::from_reader(&stream).context("Could not read answer!")?;
     match answer {
         Ok(answer) => println!("{}", answer),
         Err(err) => println!("Error: {}", err),

src/daemon.rs

@@ -1,5 +1,6 @@
 pub use crate::timer::Timer;
 use anyhow::Context;
+use notify_rust::Notification;
 use serde::{Deserialize, Serialize};
 use std::fmt::{Display, Formatter};
 use std::{
@@ -50,10 +51,11 @@ pub enum AnswerErr {
 pub struct Daemon {
     listener: UnixListener,
     timers: Vec<Timer>,
+    notify: bool,
 }
 
 impl Daemon {
-    pub fn new(socket_path: String) -> anyhow::Result<Self> {
+    pub fn new(socket_path: String, notify: bool) -> anyhow::Result<Self> {
         let path = std::path::Path::new(&socket_path);
         if path.exists() {
             std::fs::remove_file(path)
@@ -64,6 +66,7 @@ impl Daemon {
         Ok(Self {
             listener,
             timers: Vec::new(),
+            notify,
         })
     }
 
@@ -105,9 +108,18 @@ impl Daemon {
     fn check_timers(&mut self) {
         self.timers.retain(|timer| {
             let expired = timer.is_expired();
+
             if expired {
-                println!("Timer {} is expired!", timer.name);
+                let msg = format!("Timer {} has expired!", timer.name);
+                println!("{}", &msg);
+                if self.notify {
+                    match Notification::new().summary("󰀠 Timers").body(&msg).show() {
+                        Ok(_) => println!("Send notification sucessfully."),
+                        Err(_) => println!("Failed to send notification."),
                     }
+                }
+            }
+
             !expired
         });
     }

src/main.rs

@@ -12,7 +12,7 @@ use clap::Parser;
 fn main() -> Result<()> {
     let args = Cli::parse();
     let daemon_command = match args.command {
-        CliCommand::Daemon => return Daemon::new(args.socket)?.run(),
+        CliCommand::Daemon { notify } => return Daemon::new(args.socket, notify)?.run(),
         CliCommand::Add {
             name,
             duration_seconds,