refactor: replace all rust Result with anyhow::Result (#103)

src/bin/cli.rs

@@ -1,9 +1,10 @@
+use anyhow::{Result, anyhow};
 use clap::{Parser, Subcommand};
 use pwsp::{
     types::socket::Request,
     utils::daemon::{make_request, wait_for_daemon},
 };
-use std::{error::Error, path::PathBuf};
+use std::path::PathBuf;
 
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
@@ -146,7 +147,7 @@ enum SetCommands {
 }
 
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn Error>> {
+async fn main() -> Result<()> {
     let cli = Cli::parse();
 
     wait_for_daemon().await?;
@@ -204,9 +205,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
         },
     };
 
-    let response = make_request(request)
-        .await
-        .map_err(|e| e as Box<dyn Error>)?;
+    let response = make_request(request).await.map_err(|e| anyhow!(e))?;
     println!("{} : {}", response.status, response.message);
 
     Ok(())

src/bin/daemon.rs

@@ -1,3 +1,4 @@
+use anyhow::{Result, anyhow};
 use pwsp::{
     types::socket::{MAX_MESSAGE_SIZE, Request, Response},
     utils::{
@@ -11,7 +12,7 @@ use pwsp::{
     },
 };
 use std::os::unix::fs::PermissionsExt;
-use std::{error::Error, fs, time::Duration};
+use std::{fs, time::Duration};
 use tokio::{
     io::{AsyncReadExt, AsyncWriteExt},
     net::UnixListener,
@@ -19,11 +20,11 @@ use tokio::{
 };
 
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn Error>> {
+async fn main() -> Result<()> {
     create_runtime_dir()?;
 
     if is_daemon_running()? {
-        return Err("Another instance is already running.".into());
+        return Err(anyhow!("Another instance is already running."));
     }
 
     get_daemon_config(); // Initialize daemon config
@@ -76,7 +77,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
-async fn commands_loop(listener: UnixListener) -> Result<(), Box<dyn Error>> {
+async fn commands_loop(listener: UnixListener) -> Result<()> {
     loop {
         let (mut stream, _addr) = listener.accept().await?;
 

src/gui/mod.rs

@@ -2,6 +2,7 @@ mod draw;
 mod input;
 mod update;
 
+use anyhow::{Result, anyhow};
 use eframe::{HardwareAcceleration, NativeOptions, icon_data::from_png_bytes, run_native};
 use egui::{Context, FontData, FontDefinitions, FontFamily, FontTweak, Vec2, ViewportBuilder};
 use itertools::Itertools;
@@ -20,7 +21,6 @@ use pwsp::{
 };
 use rfd::FileDialog;
 use std::{
-    error::Error,
     fs,
     path::{Path, PathBuf},
     sync::{Arc, Mutex},
@@ -198,11 +198,7 @@ impl SoundpadGui {
     }
 }
 
-fn add_font(
-    font_name: &str,
-    font_bytes: &[u8],
-    fonts: &mut FontDefinitions,
-) -> Result<(), Box<dyn Error>> {
+fn add_font(font_name: &str, font_bytes: &[u8], fonts: &mut FontDefinitions) -> Result<()> {
     let font_data = FontData::from_owned(font_bytes.to_vec()).tweak(FontTweak {
         scale: 1.0,
         hinting_override: Some(true),
@@ -227,7 +223,7 @@ fn add_font(
     Ok(())
 }
 
-fn load_system_fonts(fonts: &mut FontDefinitions) -> Result<(), Box<dyn Error>> {
+fn load_system_fonts(fonts: &mut FontDefinitions) -> Result<()> {
     let (_, en_sans) = find_for_locale("en", FontStyle::Sans);
     let (_, en_serif) = find_for_locale("en", FontStyle::Serif);
     let (_, ja_sans) = find_for_locale("ja", FontStyle::Sans);
@@ -246,7 +242,7 @@ fn load_system_fonts(fonts: &mut FontDefinitions) -> Result<(), Box<dyn Error>>
     Ok(())
 }
 
-pub async fn run() -> Result<(), Box<dyn Error>> {
+pub async fn run() -> Result<()> {
     const ICON: &[u8] = include_bytes!("../../assets/icon.png");
 
     let options = NativeOptions {
@@ -283,6 +279,6 @@ pub async fn run() -> Result<(), Box<dyn Error>> {
             }
             Ok(())
         }
-        Err(e) => Err(e.into()),
+        Err(e) => Err(anyhow!(e.to_string())),
     }
 }

src/main.rs

@@ -1,8 +1,8 @@
 mod gui;
 
-use std::error::Error;
+use anyhow::Result;
 
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn Error>> {
+async fn main() -> Result<()> {
     gui::run().await
 }

src/types/audio_player.rs

@@ -5,6 +5,7 @@ use crate::{
         pipewire::{create_link, get_device, link_player_to_virtual_mic},
     },
 };
+use anyhow::{Result, anyhow};
 use rodio::{Decoder, DeviceSinkBuilder, MixerDeviceSink, Player, Source};
 use serde::{Deserialize, Serialize};
 use std::{
@@ -65,7 +66,7 @@ pub struct AudioPlayer {
 }
 
 impl AudioPlayer {
-    pub async fn new() -> Result<Self, Box<dyn Error>> {
+    pub async fn new() -> Result<Self> {
         let daemon_config = get_daemon_config();
         let default_volume = daemon_config.default_volume.unwrap_or(1.0);
 
@@ -88,7 +89,7 @@ impl AudioPlayer {
         Ok(audio_player)
     }
 
-    fn ensure_stream(&mut self) -> Result<&MixerDeviceSink, Box<dyn Error>> {
+    fn ensure_stream(&mut self) -> Result<&MixerDeviceSink> {
         if self.stream_handle.is_none() {
             let mut sink = DeviceSinkBuilder::open_default_sink()?;
             sink.log_on_drop(false);
@@ -126,7 +127,7 @@ impl AudioPlayer {
         }
     }
 
-    async fn link_player(&mut self) -> Result<(), Box<dyn Error>> {
+    async fn link_player(&mut self) -> Result<()> {
         if self.player_link_sender.is_some() {
             return Ok(());
         }
@@ -140,7 +141,7 @@ impl AudioPlayer {
         }
     }
 
-    async fn link_devices(&mut self) -> Result<(), Box<dyn Error>> {
+    async fn link_devices(&mut self) -> Result<()> {
         self.abort_link_thread();
 
         let input_device;
@@ -289,7 +290,7 @@ impl AudioPlayer {
         0.0
     }
 
-    pub fn seek(&mut self, position: f32, id: Option<u32>) -> Result<(), Box<dyn Error>> {
+    pub fn seek(&mut self, position: f32, id: Option<u32>) -> Result<()> {
         let position = if position < 0.0 { 0.0 } else { position };
 
         if let Some(id) = id {
@@ -305,22 +306,18 @@ impl AudioPlayer {
         Ok(())
     }
 
-    pub fn get_duration(&mut self, id: Option<u32>) -> Result<f32, Box<dyn Error>> {
+    pub fn get_duration(&mut self, id: Option<u32>) -> Result<f32> {
         if let Some(id) = id {
             if let Some(sound) = self.tracks.get(&id) {
-                return sound.duration.ok_or("Unknown duration".into());
+                return sound.duration.ok_or(anyhow!("Unknown duration"));
             }
         } else if let Some(sound) = self.tracks.values().last() {
-            return sound.duration.ok_or("Unknown duration".into());
+            return sound.duration.ok_or(anyhow!("Unknown duration"));
         }
-        Err("No track playing".into())
+        Err(anyhow!("No track playing"))
     }
 
-    pub async fn play(
-        &mut self,
-        file_path: &Path,
-        concurrent: bool,
-    ) -> Result<u32, Box<dyn Error>> {
+    pub async fn play(&mut self, file_path: &Path, concurrent: bool) -> Result<u32> {
         let path_buf = file_path.to_path_buf();
 
         let decoder_result =
@@ -369,7 +366,7 @@ impl AudioPlayer {
 
                 Ok(id)
             }
-            Err(err) => Err(err as Box<dyn Error>),
+            Err(err) => Err(anyhow!(err)),
         }
     }
 
@@ -472,11 +469,11 @@ impl AudioPlayer {
         }
     }
 
-    pub async fn set_current_input_device(&mut self, name: &str) -> Result<(), Box<dyn Error>> {
+    pub async fn set_current_input_device(&mut self, name: &str) -> Result<()> {
         let input_device = get_device(name).await?;
 
         if input_device.device_type != DeviceType::Input {
-            return Err("Selected device is not an input device".into());
+            return Err(anyhow!("Selected device is not an input device"));
         }
 
         self.input_device_name = Some(name.to_string());

src/types/config.rs

@@ -1,6 +1,7 @@
 use crate::{types::socket::Request, utils::config::get_config_path};
+use anyhow::Result;
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, error::Error, fs, path::PathBuf};
+use std::{collections::HashMap, fs, path::PathBuf};
 
 #[derive(Default, Clone, Serialize, Deserialize)]
 #[serde(default)]
@@ -10,7 +11,7 @@ pub struct DaemonConfig {
 }
 
 impl DaemonConfig {
-    pub fn save_to_file(&self) -> Result<(), Box<dyn Error>> {
+    pub fn save_to_file(&self) -> Result<()> {
         let config_path = get_config_path()?.join("daemon.json");
 
         if let Some(config_dir) = config_path.parent()
@@ -24,7 +25,7 @@ impl DaemonConfig {
         Ok(())
     }
 
-    pub fn load_from_file() -> Result<DaemonConfig, Box<dyn Error>> {
+    pub fn load_from_file() -> Result<DaemonConfig> {
         let config_path = get_config_path()?.join("daemon.json");
         let bytes = fs::read(config_path)?;
         match serde_json::from_slice::<DaemonConfig>(&bytes) {
@@ -65,7 +66,7 @@ impl Default for GuiConfig {
 }
 
 impl GuiConfig {
-    pub fn save_to_file(&mut self) -> Result<(), Box<dyn Error>> {
+    pub fn save_to_file(&mut self) -> Result<()> {
         let config_path = get_config_path()?.join("gui.json");
 
         if let Some(config_dir) = config_path.parent()
@@ -84,7 +85,7 @@ impl GuiConfig {
         Ok(())
     }
 
-    pub fn load_from_file() -> Result<GuiConfig, Box<dyn Error>> {
+    pub fn load_from_file() -> Result<GuiConfig> {
         let config_path = get_config_path()?.join("gui.json");
         let bytes = fs::read(config_path)?;
         match serde_json::from_slice::<GuiConfig>(&bytes) {
@@ -108,11 +109,11 @@ pub struct HotkeyConfig {
 }
 
 impl HotkeyConfig {
-    pub fn config_path() -> Result<PathBuf, Box<dyn Error>> {
+    pub fn config_path() -> Result<PathBuf> {
         Ok(get_config_path()?.join("hotkeys.json"))
     }
 
-    pub fn load() -> Result<HotkeyConfig, Box<dyn Error>> {
+    pub fn load() -> Result<HotkeyConfig> {
         let path = Self::config_path()?;
         if !path.exists() {
             return Ok(HotkeyConfig::default());
@@ -124,7 +125,7 @@ impl HotkeyConfig {
         }
     }
 
-    pub fn save(&self) -> Result<(), Box<dyn Error>> {
+    pub fn save(&self) -> Result<()> {
         let path = Self::config_path()?;
         if let Some(dir) = path.parent()
             && !dir.exists()

src/utils/config.rs

@@ -1,6 +1,7 @@
-use std::{error::Error, path::PathBuf};
+use anyhow::Result;
+use std::path::PathBuf;
 
-pub fn get_config_path() -> Result<PathBuf, Box<dyn Error>> {
+pub fn get_config_path() -> Result<PathBuf> {
     let config_path = dirs::config_dir().expect("Failed to obtain config dir");
     Ok(config_path.join("pwsp"))
 }

src/utils/daemon.rs

@@ -4,6 +4,7 @@ use crate::types::{
     socket::{MAX_MESSAGE_SIZE, Request, Response},
 };
 
+use anyhow::Result;
 use std::os::unix::fs::PermissionsExt;
 use std::path::PathBuf;
 use std::{error::Error, fs};
@@ -40,7 +41,7 @@ pub fn get_runtime_dir() -> PathBuf {
     dirs::runtime_dir().unwrap_or(PathBuf::from("/run/pwsp"))
 }
 
-pub fn create_runtime_dir() -> Result<(), Box<dyn Error>> {
+pub fn create_runtime_dir() -> Result<()> {
     let runtime_dir = get_runtime_dir();
     if !runtime_dir.exists() {
         fs::create_dir_all(&runtime_dir)?;
@@ -50,7 +51,7 @@ pub fn create_runtime_dir() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
-pub fn is_daemon_running() -> Result<bool, Box<dyn Error>> {
+pub fn is_daemon_running() -> Result<bool> {
     let lock_file = fs::File::create(get_runtime_dir().join("daemon.lock"))?;
     match lock_file.try_lock() {
         Ok(_) => Ok(false),
@@ -58,7 +59,7 @@ pub fn is_daemon_running() -> Result<bool, Box<dyn Error>> {
     }
 }
 
-pub async fn wait_for_daemon() -> Result<(), Box<dyn Error>> {
+pub async fn wait_for_daemon() -> Result<()> {
     if is_daemon_running()? {
         return Ok(());
     }

src/utils/gui.rs

@@ -7,8 +7,8 @@ use crate::{
     },
     utils::daemon::{is_daemon_running, make_request},
 };
+use anyhow::{Result, anyhow};
 use std::{
-    error::Error,
     sync::{Arc, Mutex},
     time::Instant,
 };
@@ -22,11 +22,11 @@ pub fn get_gui_config() -> GuiConfig {
     })
 }
 
-pub fn make_request_sync(request: Request) -> Result<Response, Box<dyn Error>> {
+pub fn make_request_sync(request: Request) -> Result<Response> {
     tokio::task::block_in_place(|| {
         tokio::runtime::Handle::current()
             .block_on(make_request(request))
-            .map_err(|e| e as Box<dyn Error>)
+            .map_err(|e| anyhow!(e))
     })
 }
 

src/utils/pipewire.rs

@@ -1,9 +1,10 @@
 use crate::types::pipewire::{AudioDevice, DeviceType, Port, Terminate};
+use anyhow::{Result, anyhow};
 use pipewire::{
     context::ContextRc, link::Link, main_loop::MainLoopRc, properties::properties,
     registry::GlobalObject, spa::utils::dict::DictRef,
 };
-use std::{collections::HashMap, error::Error, thread};
+use std::{collections::HashMap, thread};
 use tokio::{
     sync::mpsc,
     time::{Duration, timeout},
@@ -142,7 +143,7 @@ async fn pw_get_global_objects_thread(
     main_loop.run();
 }
 
-pub async fn get_all_devices() -> Result<(Vec<AudioDevice>, Vec<AudioDevice>), Box<dyn Error>> {
+pub async fn get_all_devices() -> Result<(Vec<AudioDevice>, Vec<AudioDevice>)> {
     // Channels to communicate with pipewire thread
     let (main_sender, mut main_receiver) = mpsc::channel(10);
     let (pw_sender, pw_receiver) = pipewire::channel::channel();
@@ -155,7 +156,7 @@ pub async fn get_all_devices() -> Result<(Vec<AudioDevice>, Vec<AudioDevice>), B
 
     // Wait for initialization to complete
     if let Err(e) = init_receiver.recv()? {
-        return Err(e.into());
+        return Err(anyhow!(e));
     }
 
     let mut input_devices: HashMap<u32, AudioDevice> = HashMap::new();
@@ -238,7 +239,7 @@ pub async fn get_all_devices() -> Result<(Vec<AudioDevice>, Vec<AudioDevice>), B
     }
 }
 
-pub async fn get_device(device_name: &str) -> Result<AudioDevice, Box<dyn Error>> {
+pub async fn get_device(device_name: &str) -> Result<AudioDevice> {
     let (input_devices, output_devices) = get_all_devices().await?;
 
     input_devices
@@ -250,10 +251,10 @@ pub async fn get_device(device_name: &str) -> Result<AudioDevice, Box<dyn Error>
                 || device.name.contains(device_name)
                 || device.nick.contains(device_name)
         })
-        .ok_or_else(|| "Device not found".into())
+        .ok_or_else(|| anyhow!("Device not found"))
 }
 
-pub fn create_virtual_mic() -> Result<pipewire::channel::Sender<Terminate>, Box<dyn Error>> {
+pub fn create_virtual_mic() -> Result<pipewire::channel::Sender<Terminate>> {
     let (pw_sender, pw_receiver) = pipewire::channel::channel::<Terminate>();
     let (init_sender, init_receiver) = std::sync::mpsc::sync_channel(0);
 
@@ -305,45 +306,46 @@ pub fn create_virtual_mic() -> Result<pipewire::channel::Sender<Terminate>, Box<
     });
 
     if let Err(e) = init_receiver.recv()? {
-        return Err(e.into());
+        return Err(anyhow!(e));
     }
 
     Ok(pw_sender)
 }
 
-pub async fn link_player_to_virtual_mic()
--> Result<pipewire::channel::Sender<Terminate>, Box<dyn Error>> {
+pub async fn link_player_to_virtual_mic() -> Result<pipewire::channel::Sender<Terminate>> {
     let pwsp_daemon_output = match get_device("pwsp-daemon").await {
         Ok(device) => device,
         Err(_) => {
-            return Err(
-                "Could not find alsa_playback.pwsp-daemon device, skipping device linking".into(),
-            );
+            return Err(anyhow!(
+                "Could not find alsa_playback.pwsp-daemon device, skipping device linking"
+            ));
         }
     };
 
     let pwsp_daemon_input = match get_device("pwsp-virtual-mic").await {
         Ok(device) => device,
         Err(_) => {
-            return Err("Could not find pwsp-virtual-mic device, skipping device linking".into());
+            return Err(anyhow!(
+                "Could not find pwsp-virtual-mic device, skipping device linking"
+            ));
         }
     };
 
     let output_fl = match pwsp_daemon_output.output_fl {
         Some(port) => port,
-        None => return Err("Failed to get pwsp-daemon output_fl".into()),
+        None => return Err(anyhow!("Failed to get pwsp-daemon output_fl")),
     };
     let output_fr = match pwsp_daemon_output.output_fr {
         Some(port) => port,
-        None => return Err("Failed to get pwsp-daemon output_fr".into()),
+        None => return Err(anyhow!("Failed to get pwsp-daemon output_fr")),
     };
     let input_fl = match pwsp_daemon_input.input_fl {
         Some(port) => port,
-        None => return Err("Failed to get pwsp-virtual-mic input_fl".into()),
+        None => return Err(anyhow!("Failed to get pwsp-virtual-mic input_fl")),
     };
     let input_fr = match pwsp_daemon_input.input_fr {
         Some(port) => port,
-        None => return Err("Failed to get pwsp-virtual-mic input_fr".into()),
+        None => return Err(anyhow!("Failed to get pwsp-virtual-mic input_fr")),
     };
 
     create_link(output_fl, output_fr, input_fl, input_fr)
@@ -354,7 +356,7 @@ pub fn create_link(
     output_fr: Port,
     input_fl: Port,
     input_fr: Port,
-) -> Result<pipewire::channel::Sender<Terminate>, Box<dyn Error>> {
+) -> Result<pipewire::channel::Sender<Terminate>> {
     let (pw_sender, pw_receiver) = pipewire::channel::channel::<Terminate>();
     let (init_sender, init_receiver) = std::sync::mpsc::sync_channel(0);
 
@@ -419,7 +421,7 @@ pub fn create_link(
     });
 
     if let Err(e) = init_receiver.recv()? {
-        return Err(e.into());
+        return Err(anyhow!(e));
     }
 
     Ok(pw_sender)