refactor: use anyhow to handle error

src-tauri/src/utils/config.rs

@@ -1,3 +1,4 @@
+use anyhow::{Context, Result};
 use serde::{de::DeserializeOwned, Serialize};
 use std::{fs, path::PathBuf};
 
@@ -7,26 +8,16 @@ pub fn read_yaml<T: DeserializeOwned + Default>(path: PathBuf) -> T {
   serde_yaml::from_str::<T>(&yaml_str).unwrap_or(T::default())
 }
 
-/// - save the data to the file
-/// - can set `prefix` string to add some comments
-pub fn save_yaml<T: Serialize>(
-  path: PathBuf,
-  data: &T,
-  prefix: Option<&str>,
-) -> Result<(), String> {
-  match serde_yaml::to_string(data) {
-    Ok(data_str) => {
-      let yaml_str = match prefix {
-        Some(prefix) => format!("{}{}", prefix, data_str),
-        None => data_str,
-      };
+/// save the data to the file
+/// can set `prefix` string to add some comments
+pub fn save_yaml<T: Serialize>(path: PathBuf, data: &T, prefix: Option<&str>) -> Result<()> {
+  let data_str = serde_yaml::to_string(data)?;
 
-      let path_str = path.as_os_str().to_string_lossy().to_string();
-      match fs::write(path, yaml_str.as_bytes()) {
-        Ok(_) => Ok(()),
-        Err(_) => Err(format!("can not save file `{}`", path_str)),
-      }
-    }
-    Err(_) => Err("can not convert the data to yaml".into()),
-  }
+  let yaml_str = match prefix {
+    Some(prefix) => format!("{prefix}{data_str}"),
+    None => data_str,
+  };
+
+  let path_str = path.as_os_str().to_string_lossy().to_string();
+  fs::write(path, yaml_str.as_bytes()).context(format!("failed to save file \"{path_str}\""))
 }

src-tauri/src/utils/dirs.rs

@@ -1,3 +1,4 @@
+use std::env::temp_dir;
 use std::path::{Path, PathBuf};
 use tauri::{
   api::path::{home_dir, resource_dir},
@@ -18,3 +19,34 @@ pub fn app_resources_dir(package_info: &PackageInfo) -> PathBuf {
     .unwrap()
     .join("resources")
 }
+
+/// profiles dir
+pub fn app_profiles_dir() -> PathBuf {
+  app_home_dir().join("profiles")
+}
+
+/// logs dir
+pub fn app_logs_dir() -> PathBuf {
+  app_home_dir().join("logs")
+}
+
+static CLASH_CONFIG: &str = "config.yaml";
+static VERGE_CONFIG: &str = "verge.yaml";
+static PROFILE_YAML: &str = "profiles.yaml";
+static PROFILE_TEMP: &str = "clash-verge-runtime.yaml";
+
+pub fn clash_path() -> PathBuf {
+  app_home_dir().join(CLASH_CONFIG)
+}
+
+pub fn verge_path() -> PathBuf {
+  app_home_dir().join(VERGE_CONFIG)
+}
+
+pub fn profiles_path() -> PathBuf {
+  app_home_dir().join(PROFILE_YAML)
+}
+
+pub fn profiles_temp_path() -> PathBuf {
+  temp_dir().join(PROFILE_TEMP)
+}

src-tauri/src/utils/init.rs

@@ -1,5 +1,3 @@
-extern crate serde_yaml;
-
 use crate::utils::{dirs, tmpl};
 use chrono::Local;
 use log::LevelFilter;
@@ -7,7 +5,7 @@ use log4rs::append::console::ConsoleAppender;
 use log4rs::append::file::FileAppender;
 use log4rs::config::{Appender, Config, Root};
 use log4rs::encode::pattern::PatternEncoder;
-use std::fs::{self, File};
+use std::fs;
 use std::io::Write;
 use std::path::PathBuf;
 use tauri::PackageInfo;
@@ -48,13 +46,13 @@ fn init_config(app_dir: &PathBuf) -> std::io::Result<()> {
   let profile_path = app_dir.join("profiles.yaml");
 
   if !clash_path.exists() {
-    File::create(clash_path)?.write(tmpl::CLASH_CONFIG)?;
+    fs::File::create(clash_path)?.write(tmpl::CLASH_CONFIG)?;
   }
   if !verge_path.exists() {
-    File::create(verge_path)?.write(tmpl::VERGE_CONFIG)?;
+    fs::File::create(verge_path)?.write(tmpl::VERGE_CONFIG)?;
   }
   if !profile_path.exists() {
-    File::create(profile_path)?.write(tmpl::PROFILES_CONFIG)?;
+    fs::File::create(profile_path)?.write(tmpl::PROFILES_CONFIG)?;
   }
   Ok(())
 }
@@ -63,8 +61,8 @@ fn init_config(app_dir: &PathBuf) -> std::io::Result<()> {
 pub fn init_app(package_info: &PackageInfo) {
   // create app dir
   let app_dir = dirs::app_home_dir();
-  let log_dir = app_dir.join("logs");
-  let profiles_dir = app_dir.join("profiles");
+  let log_dir = dirs::app_logs_dir();
+  let profiles_dir = dirs::app_profiles_dir();
 
   let res_dir = dirs::app_resources_dir(package_info);